blob: e1da522478342294714e76f4eba799ad20276b47 [file] [log] [blame]
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001/**
2 * @file schema_compile_node.c
3 * @author Radek Krejci <rkrejci@cesnet.cz>
4 * @brief Schema compilation of common nodes.
5 *
6 * Copyright (c) 2015 - 2020 CESNET, z.s.p.o.
7 *
8 * This source code is licensed under BSD 3-Clause License (the "License").
9 * You may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
11 *
12 * https://opensource.org/licenses/BSD-3-Clause
13 */
14
Christian Hopps32874e12021-05-01 09:43:54 -040015#define _GNU_SOURCE /* asprintf, strdup */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020016
17#include "schema_compile_node.h"
18
19#include <assert.h>
20#include <ctype.h>
21#include <stddef.h>
22#include <stdint.h>
23#include <stdio.h>
24#include <stdlib.h>
25#include <string.h>
26
27#include "common.h"
28#include "compat.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020029#include "dict.h"
30#include "log.h"
Radek Krejci0aa1f702021-04-01 16:16:19 +020031#include "plugins.h"
Radek Krejci77114102021-03-10 15:21:57 +010032#include "plugins_exts_compile.h"
Radek Krejci04699f02021-03-22 21:50:29 +010033#include "plugins_internal.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020034#include "plugins_types.h"
35#include "schema_compile.h"
36#include "schema_compile_amend.h"
Michal Vasko7b1ad1a2020-11-02 15:41:27 +010037#include "schema_features.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020038#include "set.h"
39#include "tree.h"
40#include "tree_data.h"
Radek Krejci859a15a2021-03-05 20:56:59 +010041#include "tree_edit.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020042#include "tree_schema.h"
43#include "tree_schema_internal.h"
44#include "xpath.h"
45
46static struct lysc_ext_instance *
47lysc_ext_instance_dup(struct ly_ctx *ctx, struct lysc_ext_instance *orig)
48{
49 /* TODO - extensions, increase refcount */
50 (void) ctx;
51 (void) orig;
52 return NULL;
53}
54
55/**
Michal Vaskoc130e162021-10-19 11:30:00 +020056 * @brief Add a node with must(s) to unres.
57 *
58 * @param[in] ctx Compile context.
59 * @param[in] node Compiled node with must(s).
60 * @param[in] pnode Parsed ndoe with must(s).
61 * @return LY_ERR value.
62 */
63static LY_ERR
64lysc_unres_must_add(struct lysc_ctx *ctx, struct lysc_node *node, struct lysp_node *pnode)
65{
66 struct lysc_unres_must *m = NULL;
67 LY_ARRAY_COUNT_TYPE u;
68 struct lysc_must *musts;
69 struct lysp_restr *pmusts;
70 LY_ERR ret;
71
72 /* do not check must(s) in a grouping */
73 if (ctx->compile_opts & LYS_COMPILE_GROUPING) {
74 return LY_SUCCESS;
75 }
76
77 musts = lysc_node_musts(node);
78 pmusts = lysp_node_musts(pnode);
79 assert(LY_ARRAY_COUNT(musts) == LY_ARRAY_COUNT(pmusts));
80
81 if (!musts) {
82 /* no must */
83 return LY_SUCCESS;
84 }
85
86 /* add new unres must */
87 m = calloc(1, sizeof *m);
88 LY_CHECK_ERR_GOTO(!m, ret = LY_EMEM, error);
89 m->node = node;
90
91 /* add must local modules */
92 LY_ARRAY_CREATE_GOTO(ctx->ctx, m->local_mods, LY_ARRAY_COUNT(pmusts), ret, error);
93 LY_ARRAY_FOR(pmusts, u) {
94 m->local_mods[u] = pmusts[u].arg.mod;
95 LY_ARRAY_INCREMENT(m->local_mods);
96 }
97
98 LY_CHECK_ERR_GOTO(ly_set_add(&ctx->unres->musts, m, 1, NULL), ret = LY_EMEM, error);
99
100 return LY_SUCCESS;
101
102error:
103 if (m) {
104 LY_ARRAY_FREE(m->local_mods);
105 free(m);
106 }
107 LOGMEM(ctx->ctx);
108 return ret;
109}
110
111static LY_ERR
112lysc_unres_leafref_add(struct lysc_ctx *ctx, struct lysc_node_leaf *leaf, const struct lysp_module *local_mod)
113{
114 struct lysc_unres_leafref *l = NULL;
115 struct ly_set *leafrefs_set;
116 LY_ARRAY_COUNT_TYPE u;
117 int is_lref = 0;
118
119 if (ctx->compile_opts & LYS_COMPILE_GROUPING) {
120 /* do not check leafrefs in groupings */
121 return LY_SUCCESS;
122 }
123
124 /* use special set for disabled leafrefs */
125 leafrefs_set = ctx->compile_opts & LYS_COMPILE_DISABLED ? &ctx->unres->disabled_leafrefs : &ctx->unres->leafrefs;
126
127 if (leaf->type->basetype == LY_TYPE_LEAFREF) {
128 /* leafref */
129 is_lref = 1;
130 } else if (leaf->type->basetype == LY_TYPE_UNION) {
131 /* union with leafrefs */
132 LY_ARRAY_FOR(((struct lysc_type_union *)leaf->type)->types, u) {
133 if (((struct lysc_type_union *)leaf->type)->types[u]->basetype == LY_TYPE_LEAFREF) {
134 is_lref = 1;
135 break;
136 }
137 }
138 }
139
140 if (is_lref) {
141 /* add new unresolved leafref node */
142 l = calloc(1, sizeof *l);
143 LY_CHECK_ERR_RET(!l, LOGMEM(ctx->ctx), LY_EMEM);
144
145 l->node = &leaf->node;
146 l->local_mod = local_mod;
147
148 LY_CHECK_ERR_RET(ly_set_add(leafrefs_set, l, 1, NULL), free(l); LOGMEM(ctx->ctx), LY_EMEM);
149 }
150
151 return LY_SUCCESS;
152}
153
154/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200155 * @brief Add/replace a leaf default value in unres.
156 * Can also be used for a single leaf-list default value.
157 *
158 * @param[in] ctx Compile context.
159 * @param[in] leaf Leaf with the default value.
160 * @param[in] dflt Default value to use.
161 * @return LY_ERR value.
162 */
163static LY_ERR
164lysc_unres_leaf_dflt_add(struct lysc_ctx *ctx, struct lysc_node_leaf *leaf, struct lysp_qname *dflt)
165{
166 struct lysc_unres_dflt *r = NULL;
167 uint32_t i;
168
Michal Vasko7c565922021-06-10 14:58:27 +0200169 if (ctx->compile_opts & (LYS_COMPILE_DISABLED | LYS_COMPILE_GROUPING)) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100170 return LY_SUCCESS;
171 }
172
Michal Vasko405cc9e2020-12-01 12:01:27 +0100173 for (i = 0; i < ctx->unres->dflts.count; ++i) {
174 if (((struct lysc_unres_dflt *)ctx->unres->dflts.objs[i])->leaf == leaf) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200175 /* just replace the default */
Michal Vasko405cc9e2020-12-01 12:01:27 +0100176 r = ctx->unres->dflts.objs[i];
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200177 lysp_qname_free(ctx->ctx, r->dflt);
178 free(r->dflt);
179 break;
180 }
181 }
182 if (!r) {
183 /* add new unres item */
184 r = calloc(1, sizeof *r);
185 LY_CHECK_ERR_RET(!r, LOGMEM(ctx->ctx), LY_EMEM);
186 r->leaf = leaf;
187
Michal Vasko405cc9e2020-12-01 12:01:27 +0100188 LY_CHECK_RET(ly_set_add(&ctx->unres->dflts, r, 1, NULL));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200189 }
190
191 r->dflt = malloc(sizeof *r->dflt);
192 LY_CHECK_GOTO(!r->dflt, error);
193 LY_CHECK_GOTO(lysp_qname_dup(ctx->ctx, r->dflt, dflt), error);
194
195 return LY_SUCCESS;
196
197error:
198 free(r->dflt);
199 LOGMEM(ctx->ctx);
200 return LY_EMEM;
201}
202
203/**
204 * @brief Add/replace a leaf-list default value(s) in unres.
205 *
206 * @param[in] ctx Compile context.
207 * @param[in] llist Leaf-list with the default value.
208 * @param[in] dflts Sized array of the default values.
209 * @return LY_ERR value.
210 */
211static LY_ERR
212lysc_unres_llist_dflts_add(struct lysc_ctx *ctx, struct lysc_node_leaflist *llist, struct lysp_qname *dflts)
213{
214 struct lysc_unres_dflt *r = NULL;
215 uint32_t i;
216
Michal Vasko7c565922021-06-10 14:58:27 +0200217 if (ctx->compile_opts & (LYS_COMPILE_DISABLED | LYS_COMPILE_GROUPING)) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100218 return LY_SUCCESS;
219 }
220
Michal Vasko405cc9e2020-12-01 12:01:27 +0100221 for (i = 0; i < ctx->unres->dflts.count; ++i) {
222 if (((struct lysc_unres_dflt *)ctx->unres->dflts.objs[i])->llist == llist) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200223 /* just replace the defaults */
Michal Vasko405cc9e2020-12-01 12:01:27 +0100224 r = ctx->unres->dflts.objs[i];
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200225 lysp_qname_free(ctx->ctx, r->dflt);
226 free(r->dflt);
227 r->dflt = NULL;
228 FREE_ARRAY(ctx->ctx, r->dflts, lysp_qname_free);
229 r->dflts = NULL;
230 break;
231 }
232 }
233 if (!r) {
234 r = calloc(1, sizeof *r);
235 LY_CHECK_ERR_RET(!r, LOGMEM(ctx->ctx), LY_EMEM);
236 r->llist = llist;
237
Michal Vasko405cc9e2020-12-01 12:01:27 +0100238 LY_CHECK_RET(ly_set_add(&ctx->unres->dflts, r, 1, NULL));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200239 }
240
241 DUP_ARRAY(ctx->ctx, dflts, r->dflts, lysp_qname_dup);
242
243 return LY_SUCCESS;
244}
245
246/**
Michal Vaskof4fa90d2021-11-11 15:05:19 +0100247 * @brief Add a bits/enumeration type to unres.
248 *
249 * @param[in] ctx Compile context.
250 * @param[in] leaf Leaf of type bits/enumeration whose disabled items to free.
251 * @return LY_ERR value.
252 */
253static LY_ERR
254lysc_unres_bitenum_add(struct lysc_ctx *ctx, struct lysc_node_leaf *leaf)
255{
256 if (ctx->compile_opts & (LYS_COMPILE_DISABLED | LYS_COMPILE_GROUPING)) {
257 /* skip groupings and redundant for disabled nodes */
258 return LY_SUCCESS;
259 }
260
261 LY_CHECK_RET(ly_set_add(&ctx->unres->disabled_bitenums, leaf, 1, NULL));
262
263 return LY_SUCCESS;
264}
265
266/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200267 * @brief Duplicate the compiled pattern structure.
268 *
269 * Instead of duplicating memory, the reference counter in the @p orig is increased.
270 *
271 * @param[in] orig The pattern structure to duplicate.
272 * @return The duplicated structure to use.
273 */
274static struct lysc_pattern *
275lysc_pattern_dup(struct lysc_pattern *orig)
276{
277 ++orig->refcount;
278 return orig;
279}
280
281/**
282 * @brief Duplicate the array of compiled patterns.
283 *
284 * The sized array itself is duplicated, but the pattern structures are just shadowed by increasing their reference counter.
285 *
286 * @param[in] ctx Libyang context for logging.
287 * @param[in] orig The patterns sized array to duplicate.
288 * @return New sized array as a copy of @p orig.
289 * @return NULL in case of memory allocation error.
290 */
291static struct lysc_pattern **
292lysc_patterns_dup(struct ly_ctx *ctx, struct lysc_pattern **orig)
293{
294 struct lysc_pattern **dup = NULL;
295 LY_ARRAY_COUNT_TYPE u;
296
297 assert(orig);
298
299 LY_ARRAY_CREATE_RET(ctx, dup, LY_ARRAY_COUNT(orig), NULL);
300 LY_ARRAY_FOR(orig, u) {
301 dup[u] = lysc_pattern_dup(orig[u]);
302 LY_ARRAY_INCREMENT(dup);
303 }
304 return dup;
305}
306
307/**
308 * @brief Duplicate compiled range structure.
309 *
310 * @param[in] ctx Libyang context for logging.
311 * @param[in] orig The range structure to be duplicated.
312 * @return New compiled range structure as a copy of @p orig.
313 * @return NULL in case of memory allocation error.
314 */
315static struct lysc_range *
316lysc_range_dup(struct ly_ctx *ctx, const struct lysc_range *orig)
317{
318 struct lysc_range *dup;
319 LY_ERR ret;
320
321 assert(orig);
322
323 dup = calloc(1, sizeof *dup);
324 LY_CHECK_ERR_RET(!dup, LOGMEM(ctx), NULL);
325 if (orig->parts) {
326 LY_ARRAY_CREATE_GOTO(ctx, dup->parts, LY_ARRAY_COUNT(orig->parts), ret, cleanup);
Michal Vasko79135ae2020-12-16 10:08:35 +0100327 (*((LY_ARRAY_COUNT_TYPE *)(dup->parts) - 1)) = LY_ARRAY_COUNT(orig->parts);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200328 memcpy(dup->parts, orig->parts, LY_ARRAY_COUNT(dup->parts) * sizeof *dup->parts);
329 }
330 DUP_STRING_GOTO(ctx, orig->eapptag, dup->eapptag, ret, cleanup);
331 DUP_STRING_GOTO(ctx, orig->emsg, dup->emsg, ret, cleanup);
332 dup->exts = lysc_ext_instance_dup(ctx, orig->exts);
333
334 return dup;
335cleanup:
336 free(dup);
337 (void) ret; /* set but not used due to the return type */
338 return NULL;
339}
340
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200341/**
Michal Vaskodfd254d2021-06-24 09:24:59 +0200342 * @brief Compile status information of the given statement.
343 *
344 * To simplify getting status of the node, the flags are set following inheritance rules, so all the nodes
345 * has the status correctly set during the compilation.
346 *
347 * @param[in] ctx Compile context
348 * @param[in,out] stmt_flags Compiled flags to update. If the status was set explicitly, it is already set
349 * in the flags value and we just check the compatibility with the parent's status value.
350 * @param[in] stmt_name Statement name, for logging.
351 * @param[in] parent_flags Flags of the parent node to check/inherit the status value.
352 * @param[in] parent_name Name of the parent node, for logging.
353 * @param[in] inherit_log Whether to print inherit message.
354 * @return LY_ERR value.
355 */
356static LY_ERR
357lys_compile_status(struct lysc_ctx *ctx, uint16_t *stmt_flags, const char *stmt_name, uint16_t parent_flags,
358 const char *parent_name, ly_bool inherit_log)
359{
360 /* status - it is not inherited by specification, but it does not make sense to have
361 * current in deprecated or deprecated in obsolete, so we do print warning and inherit status */
362 if (!(*stmt_flags & LYS_STATUS_MASK)) {
363 if (parent_flags & (LYS_STATUS_DEPRC | LYS_STATUS_OBSLT)) {
364 if (inherit_log) {
365 LOGVRB("Missing explicit \"%s\" status specified in parent \"%s\", inheriting for \"%s\".",
366 (parent_flags & LYS_STATUS_DEPRC) ? "deprecated" : "obsolete", parent_name, stmt_name);
367 }
368 *stmt_flags |= parent_flags & LYS_STATUS_MASK;
369 } else {
370 *stmt_flags |= LYS_STATUS_CURR;
371 }
372 } else if (parent_flags & LYS_STATUS_MASK) {
373 /* check status compatibility with the parent */
374 if ((parent_flags & LYS_STATUS_MASK) > (*stmt_flags & LYS_STATUS_MASK)) {
375 if (*stmt_flags & LYS_STATUS_CURR) {
376 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
377 "Status \"current\" of \"%s\" is in conflict with the \"%s\" status of parent \"%s\".",
378 stmt_name, (parent_flags & LYS_STATUS_DEPRC) ? "deprecated" : "obsolete", parent_name);
379 } else { /* LYS_STATUS_DEPRC */
380 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
381 "Status \"deprecated\" of \"%s\" is in conflict with the \"obsolete\" status of parent \"%s\".",
382 stmt_name, parent_name);
383 }
384 return LY_EVALID;
385 }
386 }
387 return LY_SUCCESS;
388}
389
390/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200391 * @brief Compile information from the when statement
392 *
393 * @param[in] ctx Compile context.
394 * @param[in] when_p Parsed when structure.
Michal Vaskodfd254d2021-06-24 09:24:59 +0200395 * @param[in] parent_flags Flags of the parsed node with the when statement.
396 * @param[in] compiled_parent Closest compiled parent of the when statement.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200397 * @param[in] ctx_node Context node for the when statement.
398 * @param[out] when Pointer where to store pointer to the created compiled when structure.
399 * @return LY_ERR value.
400 */
401static LY_ERR
Michal Vaskodfd254d2021-06-24 09:24:59 +0200402lys_compile_when_(struct lysc_ctx *ctx, struct lysp_when *when_p, uint16_t parent_flags,
403 const struct lysc_node *compiled_parent, const struct lysc_node *ctx_node, struct lysc_when **when)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200404{
405 LY_ERR ret = LY_SUCCESS;
Radek Krejci8df109d2021-04-23 12:19:08 +0200406 LY_VALUE_FORMAT format;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200407
408 *when = calloc(1, sizeof **when);
409 LY_CHECK_ERR_RET(!(*when), LOGMEM(ctx->ctx), LY_EMEM);
410 (*when)->refcount = 1;
411 LY_CHECK_RET(lyxp_expr_parse(ctx->ctx, when_p->cond, 0, 1, &(*when)->cond));
Radek Krejci0b013302021-03-29 15:22:32 +0200412 LY_CHECK_RET(lyplg_type_prefix_data_new(ctx->ctx, when_p->cond, strlen(when_p->cond),
Radek Krejci8df109d2021-04-23 12:19:08 +0200413 LY_VALUE_SCHEMA, ctx->pmod, &format, (void **)&(*when)->prefixes));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200414 (*when)->context = (struct lysc_node *)ctx_node;
415 DUP_STRING_GOTO(ctx->ctx, when_p->dsc, (*when)->dsc, ret, done);
416 DUP_STRING_GOTO(ctx->ctx, when_p->ref, (*when)->ref, ret, done);
Radek Krejciab430862021-03-02 20:13:40 +0100417 COMPILE_EXTS_GOTO(ctx, when_p->exts, (*when)->exts, (*when), ret, done);
Michal Vaskodfd254d2021-06-24 09:24:59 +0200418 (*when)->flags = (parent_flags & LYS_STATUS_MASK);
419 if (compiled_parent) {
420 LY_CHECK_RET(lys_compile_status(ctx, &(*when)->flags, "when", compiled_parent->flags, compiled_parent->name, 0));
421 } else {
422 LY_CHECK_RET(lys_compile_status(ctx, &(*when)->flags, "when", 0, NULL, 0));
423 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200424
425done:
426 return ret;
427}
428
429LY_ERR
Michal Vaskodfd254d2021-06-24 09:24:59 +0200430lys_compile_when(struct lysc_ctx *ctx, struct lysp_when *when_p, uint16_t parent_flags, const struct lysc_node *compiled_parent,
431 const struct lysc_node *ctx_node, struct lysc_node *node, struct lysc_when **when_c)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200432{
433 struct lysc_when **new_when, ***node_when;
434
435 assert(when_p);
436
437 /* get the when array */
Radek Krejci9a3823e2021-01-27 20:26:46 +0100438 node_when = lysc_node_when_p(node);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200439
440 /* create new when pointer */
441 LY_ARRAY_NEW_RET(ctx->ctx, *node_when, new_when, LY_EMEM);
442 if (!when_c || !(*when_c)) {
443 /* compile when */
Michal Vaskodfd254d2021-06-24 09:24:59 +0200444 LY_CHECK_RET(lys_compile_when_(ctx, when_p, parent_flags, compiled_parent, ctx_node, new_when));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200445
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200446 /* remember the compiled when for sharing */
447 if (when_c) {
448 *when_c = *new_when;
449 }
450 } else {
451 /* use the previously compiled when */
452 ++(*when_c)->refcount;
453 *new_when = *when_c;
Michal Vaskof01fd0b2020-11-23 16:53:07 +0100454 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200455
Michal Vasko6f08e962021-07-23 08:30:47 +0200456 if (!(ctx->compile_opts & LYS_COMPILE_GROUPING)) {
Michal Vaskof01fd0b2020-11-23 16:53:07 +0100457 /* do not check "when" semantics in a grouping, but repeat the check for different node because
458 * of dummy node check */
Michal Vaskoc130e162021-10-19 11:30:00 +0200459 LY_CHECK_RET(ly_set_add(&ctx->unres->whens, node, 0, NULL));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200460 }
461
462 return LY_SUCCESS;
463}
464
465/**
466 * @brief Compile information from the must statement
467 * @param[in] ctx Compile context.
468 * @param[in] must_p The parsed must statement structure.
469 * @param[in,out] must Prepared (empty) compiled must structure to fill.
470 * @return LY_ERR value.
471 */
472static LY_ERR
473lys_compile_must(struct lysc_ctx *ctx, struct lysp_restr *must_p, struct lysc_must *must)
474{
475 LY_ERR ret = LY_SUCCESS;
Radek Krejci8df109d2021-04-23 12:19:08 +0200476 LY_VALUE_FORMAT format;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200477
478 LY_CHECK_RET(lyxp_expr_parse(ctx->ctx, must_p->arg.str, 0, 1, &must->cond));
Radek Krejci0b013302021-03-29 15:22:32 +0200479 LY_CHECK_RET(lyplg_type_prefix_data_new(ctx->ctx, must_p->arg.str, strlen(must_p->arg.str),
Radek Krejci8df109d2021-04-23 12:19:08 +0200480 LY_VALUE_SCHEMA, must_p->arg.mod, &format, (void **)&must->prefixes));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200481 DUP_STRING_GOTO(ctx->ctx, must_p->eapptag, must->eapptag, ret, done);
482 DUP_STRING_GOTO(ctx->ctx, must_p->emsg, must->emsg, ret, done);
483 DUP_STRING_GOTO(ctx->ctx, must_p->dsc, must->dsc, ret, done);
484 DUP_STRING_GOTO(ctx->ctx, must_p->ref, must->ref, ret, done);
Radek Krejciab430862021-03-02 20:13:40 +0100485 COMPILE_EXTS_GOTO(ctx, must_p->exts, must->exts, must, ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200486
487done:
488 return ret;
489}
490
491/**
492 * @brief Validate and normalize numeric value from a range definition.
493 * @param[in] ctx Compile context.
494 * @param[in] basetype Base YANG built-in type of the node connected with the range restriction. Actually only LY_TYPE_DEC64 is important to
495 * allow processing of the fractions. The fraction point is extracted from the value which is then normalize according to given frdigits into
496 * valcopy to allow easy parsing and storing of the value. libyang stores decimal number without the decimal point which is always recovered from
497 * the known fraction-digits value. So, with fraction-digits 2, number 3.14 is stored as 314 and number 1 is stored as 100.
498 * @param[in] frdigits The fraction-digits of the type in case of LY_TYPE_DEC64.
499 * @param[in] value String value of the range boundary.
500 * @param[out] len Number of the processed bytes from the value. Processing stops on the first character which is not part of the number boundary.
501 * @param[out] valcopy NULL-terminated string with the numeric value to parse and store.
502 * @return LY_ERR value - LY_SUCCESS, LY_EMEM, LY_EVALID (no number) or LY_EINVAL (decimal64 not matching fraction-digits value).
503 */
504static LY_ERR
505range_part_check_value_syntax(struct lysc_ctx *ctx, LY_DATA_TYPE basetype, uint8_t frdigits, const char *value,
506 size_t *len, char **valcopy)
507{
508 size_t fraction = 0, size;
509
510 *len = 0;
511
512 assert(value);
513 /* parse value */
514 if (!isdigit(value[*len]) && (value[*len] != '-') && (value[*len] != '+')) {
515 return LY_EVALID;
516 }
517
518 if ((value[*len] == '-') || (value[*len] == '+')) {
519 ++(*len);
520 }
521
522 while (isdigit(value[*len])) {
523 ++(*len);
524 }
525
526 if ((basetype != LY_TYPE_DEC64) || (value[*len] != '.') || !isdigit(value[*len + 1])) {
527 if (basetype == LY_TYPE_DEC64) {
528 goto decimal;
529 } else {
530 *valcopy = strndup(value, *len);
531 return LY_SUCCESS;
532 }
533 }
534 fraction = *len;
535
536 ++(*len);
537 while (isdigit(value[*len])) {
538 ++(*len);
539 }
540
541 if (basetype == LY_TYPE_DEC64) {
542decimal:
543 assert(frdigits);
544 if (fraction && (*len - 1 - fraction > frdigits)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100545 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200546 "Range boundary \"%.*s\" of decimal64 type exceeds defined number (%u) of fraction digits.",
Radek Krejci422afb12021-03-04 16:38:16 +0100547 (int)(*len), value, frdigits);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200548 return LY_EINVAL;
549 }
550 if (fraction) {
551 size = (*len) + (frdigits - ((*len) - 1 - fraction));
552 } else {
553 size = (*len) + frdigits + 1;
554 }
555 *valcopy = malloc(size * sizeof **valcopy);
556 LY_CHECK_ERR_RET(!(*valcopy), LOGMEM(ctx->ctx), LY_EMEM);
557
558 (*valcopy)[size - 1] = '\0';
559 if (fraction) {
560 memcpy(&(*valcopy)[0], &value[0], fraction);
561 memcpy(&(*valcopy)[fraction], &value[fraction + 1], (*len) - 1 - (fraction));
562 memset(&(*valcopy)[(*len) - 1], '0', frdigits - ((*len) - 1 - fraction));
563 } else {
564 memcpy(&(*valcopy)[0], &value[0], *len);
565 memset(&(*valcopy)[*len], '0', frdigits);
566 }
567 }
568 return LY_SUCCESS;
569}
570
571/**
572 * @brief Check that values in range are in ascendant order.
573 * @param[in] unsigned_value Flag to note that we are working with unsigned values.
574 * @param[in] max Flag to distinguish if checking min or max value. min value must be strictly higher than previous,
575 * max can be also equal.
576 * @param[in] value Current value to check.
577 * @param[in] prev_value The last seen value.
578 * @return LY_SUCCESS or LY_EEXIST for invalid order.
579 */
580static LY_ERR
581range_part_check_ascendancy(ly_bool unsigned_value, ly_bool max, int64_t value, int64_t prev_value)
582{
583 if (unsigned_value) {
584 if ((max && ((uint64_t)prev_value > (uint64_t)value)) || (!max && ((uint64_t)prev_value >= (uint64_t)value))) {
585 return LY_EEXIST;
586 }
587 } else {
588 if ((max && (prev_value > value)) || (!max && (prev_value >= value))) {
589 return LY_EEXIST;
590 }
591 }
592 return LY_SUCCESS;
593}
594
595/**
596 * @brief Set min/max value of the range part.
597 * @param[in] ctx Compile context.
598 * @param[in] part Range part structure to fill.
599 * @param[in] max Flag to distinguish if storing min or max value.
600 * @param[in] prev The last seen value to check that all values in range are specified in ascendant order.
601 * @param[in] basetype Type of the value to get know implicit min/max values and other checking rules.
602 * @param[in] first Flag for the first value of the range to avoid ascendancy order.
603 * @param[in] length_restr Flag to distinguish between range and length restrictions. Only for logging.
604 * @param[in] frdigits The fraction-digits value in case of LY_TYPE_DEC64 basetype.
605 * @param[in] base_range Range from the type from which the current type is derived (if not built-in) to get type's min and max values.
606 * @param[in,out] value Numeric range value to be stored, if not provided the type's min/max value is set.
607 * @return LY_ERR value - LY_SUCCESS, LY_EDENIED (value brokes type's boundaries), LY_EVALID (not a number),
608 * LY_EEXIST (value is smaller than the previous one), LY_EINVAL (decimal64 value does not corresponds with the
609 * frdigits value), LY_EMEM.
610 */
611static LY_ERR
612range_part_minmax(struct lysc_ctx *ctx, struct lysc_range_part *part, ly_bool max, int64_t prev, LY_DATA_TYPE basetype,
613 ly_bool first, ly_bool length_restr, uint8_t frdigits, struct lysc_range *base_range, const char **value)
614{
615 LY_ERR ret = LY_SUCCESS;
616 char *valcopy = NULL;
Radek Krejci2b18bf12020-11-06 11:20:20 +0100617 size_t len = 0;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200618
619 if (value) {
620 ret = range_part_check_value_syntax(ctx, basetype, frdigits, *value, &len, &valcopy);
621 LY_CHECK_GOTO(ret, finalize);
622 }
623 if (!valcopy && base_range) {
624 if (max) {
625 part->max_64 = base_range->parts[LY_ARRAY_COUNT(base_range->parts) - 1].max_64;
626 } else {
627 part->min_64 = base_range->parts[0].min_64;
628 }
629 if (!first) {
630 ret = range_part_check_ascendancy(basetype <= LY_TYPE_STRING ? 1 : 0, max, max ? part->max_64 : part->min_64, prev);
631 }
632 goto finalize;
633 }
634
635 switch (basetype) {
636 case LY_TYPE_INT8: /* range */
637 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100638 ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-128), INT64_C(127), LY_BASE_DEC, max ? &part->max_64 : &part->min_64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200639 } else if (max) {
640 part->max_64 = INT64_C(127);
641 } else {
642 part->min_64 = INT64_C(-128);
643 }
644 if (!ret && !first) {
645 ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
646 }
647 break;
648 case LY_TYPE_INT16: /* range */
649 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100650 ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-32768), INT64_C(32767), LY_BASE_DEC,
651 max ? &part->max_64 : &part->min_64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200652 } else if (max) {
653 part->max_64 = INT64_C(32767);
654 } else {
655 part->min_64 = INT64_C(-32768);
656 }
657 if (!ret && !first) {
658 ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
659 }
660 break;
661 case LY_TYPE_INT32: /* range */
662 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100663 ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-2147483648), INT64_C(2147483647), LY_BASE_DEC,
664 max ? &part->max_64 : &part->min_64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200665 } else if (max) {
666 part->max_64 = INT64_C(2147483647);
667 } else {
668 part->min_64 = INT64_C(-2147483648);
669 }
670 if (!ret && !first) {
671 ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
672 }
673 break;
674 case LY_TYPE_INT64: /* range */
675 case LY_TYPE_DEC64: /* range */
676 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100677 ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-9223372036854775807) - INT64_C(1), INT64_C(9223372036854775807),
678 LY_BASE_DEC, max ? &part->max_64 : &part->min_64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200679 } else if (max) {
680 part->max_64 = INT64_C(9223372036854775807);
681 } else {
682 part->min_64 = INT64_C(-9223372036854775807) - INT64_C(1);
683 }
684 if (!ret && !first) {
685 ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
686 }
687 break;
688 case LY_TYPE_UINT8: /* range */
689 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100690 ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(255), LY_BASE_DEC, max ? &part->max_u64 : &part->min_u64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200691 } else if (max) {
692 part->max_u64 = UINT64_C(255);
693 } else {
694 part->min_u64 = UINT64_C(0);
695 }
696 if (!ret && !first) {
697 ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
698 }
699 break;
700 case LY_TYPE_UINT16: /* range */
701 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100702 ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(65535), LY_BASE_DEC, max ? &part->max_u64 : &part->min_u64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200703 } else if (max) {
704 part->max_u64 = UINT64_C(65535);
705 } else {
706 part->min_u64 = UINT64_C(0);
707 }
708 if (!ret && !first) {
709 ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
710 }
711 break;
712 case LY_TYPE_UINT32: /* range */
713 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100714 ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(4294967295), LY_BASE_DEC,
715 max ? &part->max_u64 : &part->min_u64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200716 } else if (max) {
717 part->max_u64 = UINT64_C(4294967295);
718 } else {
719 part->min_u64 = UINT64_C(0);
720 }
721 if (!ret && !first) {
722 ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
723 }
724 break;
725 case LY_TYPE_UINT64: /* range */
726 case LY_TYPE_STRING: /* length */
727 case LY_TYPE_BINARY: /* length */
728 if (valcopy) {
Radek Krejcif13b87b2020-12-01 22:02:17 +0100729 ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(18446744073709551615), LY_BASE_DEC,
730 max ? &part->max_u64 : &part->min_u64);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200731 } else if (max) {
732 part->max_u64 = UINT64_C(18446744073709551615);
733 } else {
734 part->min_u64 = UINT64_C(0);
735 }
736 if (!ret && !first) {
737 ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
738 }
739 break;
740 default:
741 LOGINT(ctx->ctx);
742 ret = LY_EINT;
743 }
744
745finalize:
746 if (ret == LY_EDENIED) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100747 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200748 "Invalid %s restriction - value \"%s\" does not fit the type limitations.",
749 length_restr ? "length" : "range", valcopy ? valcopy : *value);
750 } else if (ret == LY_EVALID) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100751 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200752 "Invalid %s restriction - invalid value \"%s\".",
753 length_restr ? "length" : "range", valcopy ? valcopy : *value);
754 } else if (ret == LY_EEXIST) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100755 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200756 "Invalid %s restriction - values are not in ascending order (%s).",
757 length_restr ? "length" : "range",
758 (valcopy && basetype != LY_TYPE_DEC64) ? valcopy : value ? *value : max ? "max" : "min");
759 } else if (!ret && value) {
760 *value = *value + len;
761 }
762 free(valcopy);
763 return ret;
764}
765
766/**
767 * @brief Compile the parsed range restriction.
768 * @param[in] ctx Compile context.
769 * @param[in] range_p Parsed range structure to compile.
770 * @param[in] basetype Base YANG built-in type of the node with the range restriction.
771 * @param[in] length_restr Flag to distinguish between range and length restrictions. Only for logging.
772 * @param[in] frdigits The fraction-digits value in case of LY_TYPE_DEC64 basetype.
773 * @param[in] base_range Range restriction of the type from which the current type is derived. The current
774 * range restriction must be more restrictive than the base_range.
775 * @param[in,out] range Pointer to the created current range structure.
776 * @return LY_ERR value.
777 */
778static LY_ERR
779lys_compile_type_range(struct lysc_ctx *ctx, struct lysp_restr *range_p, LY_DATA_TYPE basetype, ly_bool length_restr,
780 uint8_t frdigits, struct lysc_range *base_range, struct lysc_range **range)
781{
aPiecek1c4da362021-04-29 14:26:34 +0200782 LY_ERR ret = LY_SUCCESS;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200783 const char *expr;
784 struct lysc_range_part *parts = NULL, *part;
785 ly_bool range_expected = 0, uns;
786 LY_ARRAY_COUNT_TYPE parts_done = 0, u, v;
787
788 assert(range);
789 assert(range_p);
790
791 expr = range_p->arg.str;
792 while (1) {
793 if (isspace(*expr)) {
794 ++expr;
795 } else if (*expr == '\0') {
796 if (range_expected) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100797 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200798 "Invalid %s restriction - unexpected end of the expression after \"..\" (%s).",
Michal Vasko20c0b9f2021-08-24 08:16:27 +0200799 length_restr ? "length" : "range", range_p->arg.str);
aPiecek1c4da362021-04-29 14:26:34 +0200800 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200801 goto cleanup;
802 } else if (!parts || (parts_done == LY_ARRAY_COUNT(parts))) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100803 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200804 "Invalid %s restriction - unexpected end of the expression (%s).",
Michal Vasko20c0b9f2021-08-24 08:16:27 +0200805 length_restr ? "length" : "range", range_p->arg.str);
aPiecek1c4da362021-04-29 14:26:34 +0200806 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200807 goto cleanup;
808 }
809 parts_done++;
810 break;
Radek Krejcif13b87b2020-12-01 22:02:17 +0100811 } else if (!strncmp(expr, "min", ly_strlen_const("min"))) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200812 if (parts) {
813 /* min cannot be used elsewhere than in the first part */
Radek Krejci2efc45b2020-12-22 16:25:44 +0100814 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200815 "Invalid %s restriction - unexpected data before min keyword (%.*s).", length_restr ? "length" : "range",
Radek Krejci52409202021-03-15 09:30:43 +0100816 (int)(expr - range_p->arg.str), range_p->arg.str);
aPiecek1c4da362021-04-29 14:26:34 +0200817 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200818 goto cleanup;
819 }
Radek Krejcif13b87b2020-12-01 22:02:17 +0100820 expr += ly_strlen_const("min");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200821
822 LY_ARRAY_NEW_GOTO(ctx->ctx, parts, part, ret, cleanup);
aPiecek1c4da362021-04-29 14:26:34 +0200823 LY_CHECK_GOTO(ret = range_part_minmax(ctx, part, 0, 0, basetype, 1, length_restr, frdigits, base_range, NULL), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200824 part->max_64 = part->min_64;
825 } else if (*expr == '|') {
826 if (!parts || range_expected) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100827 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200828 "Invalid %s restriction - unexpected beginning of the expression (%s).", length_restr ? "length" : "range", expr);
aPiecek1c4da362021-04-29 14:26:34 +0200829 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200830 goto cleanup;
831 }
832 expr++;
833 parts_done++;
834 /* process next part of the expression */
835 } else if (!strncmp(expr, "..", 2)) {
836 expr += 2;
837 while (isspace(*expr)) {
838 expr++;
839 }
840 if (!parts || (LY_ARRAY_COUNT(parts) == parts_done)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100841 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200842 "Invalid %s restriction - unexpected \"..\" without a lower bound.", length_restr ? "length" : "range");
aPiecek1c4da362021-04-29 14:26:34 +0200843 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200844 goto cleanup;
845 }
846 /* continue expecting the upper boundary */
847 range_expected = 1;
848 } else if (isdigit(*expr) || (*expr == '-') || (*expr == '+')) {
849 /* number */
850 if (range_expected) {
851 part = &parts[LY_ARRAY_COUNT(parts) - 1];
aPiecek1c4da362021-04-29 14:26:34 +0200852 LY_CHECK_GOTO(ret = range_part_minmax(ctx, part, 1, part->min_64, basetype, 0, length_restr, frdigits, NULL, &expr), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200853 range_expected = 0;
854 } else {
855 LY_ARRAY_NEW_GOTO(ctx->ctx, parts, part, ret, cleanup);
aPiecek1c4da362021-04-29 14:26:34 +0200856 LY_CHECK_GOTO(ret = range_part_minmax(ctx, part, 0, parts_done ? parts[LY_ARRAY_COUNT(parts) - 2].max_64 : 0,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200857 basetype, parts_done ? 0 : 1, length_restr, frdigits, NULL, &expr), cleanup);
858 part->max_64 = part->min_64;
859 }
860
861 /* continue with possible another expression part */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100862 } else if (!strncmp(expr, "max", ly_strlen_const("max"))) {
863 expr += ly_strlen_const("max");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200864 while (isspace(*expr)) {
865 expr++;
866 }
867 if (*expr != '\0') {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100868 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Invalid %s restriction - unexpected data after max keyword (%s).",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200869 length_restr ? "length" : "range", expr);
aPiecek1c4da362021-04-29 14:26:34 +0200870 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200871 goto cleanup;
872 }
873 if (range_expected) {
874 part = &parts[LY_ARRAY_COUNT(parts) - 1];
aPiecek1c4da362021-04-29 14:26:34 +0200875 LY_CHECK_GOTO(ret = range_part_minmax(ctx, part, 1, part->min_64, basetype, 0, length_restr, frdigits, base_range, NULL), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200876 range_expected = 0;
877 } else {
878 LY_ARRAY_NEW_GOTO(ctx->ctx, parts, part, ret, cleanup);
aPiecek1c4da362021-04-29 14:26:34 +0200879 LY_CHECK_GOTO(ret = range_part_minmax(ctx, part, 1, parts_done ? parts[LY_ARRAY_COUNT(parts) - 2].max_64 : 0,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200880 basetype, parts_done ? 0 : 1, length_restr, frdigits, base_range, NULL), cleanup);
881 part->min_64 = part->max_64;
882 }
883 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100884 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Invalid %s restriction - unexpected data (%s).",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200885 length_restr ? "length" : "range", expr);
aPiecek1c4da362021-04-29 14:26:34 +0200886 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200887 goto cleanup;
888 }
889 }
890
891 /* check with the previous range/length restriction */
892 if (base_range) {
893 switch (basetype) {
894 case LY_TYPE_BINARY:
895 case LY_TYPE_UINT8:
896 case LY_TYPE_UINT16:
897 case LY_TYPE_UINT32:
898 case LY_TYPE_UINT64:
899 case LY_TYPE_STRING:
900 uns = 1;
901 break;
902 case LY_TYPE_DEC64:
903 case LY_TYPE_INT8:
904 case LY_TYPE_INT16:
905 case LY_TYPE_INT32:
906 case LY_TYPE_INT64:
907 uns = 0;
908 break;
909 default:
910 LOGINT(ctx->ctx);
911 ret = LY_EINT;
912 goto cleanup;
913 }
914 for (u = v = 0; u < parts_done && v < LY_ARRAY_COUNT(base_range->parts); ++u) {
915 if ((uns && (parts[u].min_u64 < base_range->parts[v].min_u64)) || (!uns && (parts[u].min_64 < base_range->parts[v].min_64))) {
916 goto baseerror;
917 }
918 /* current lower bound is not lower than the base */
919 if (base_range->parts[v].min_64 == base_range->parts[v].max_64) {
920 /* base has single value */
921 if (base_range->parts[v].min_64 == parts[u].min_64) {
922 /* both lower bounds are the same */
923 if (parts[u].min_64 != parts[u].max_64) {
924 /* current continues with a range */
925 goto baseerror;
926 } else {
927 /* equal single values, move both forward */
928 ++v;
929 continue;
930 }
931 } else {
932 /* base is single value lower than current range, so the
933 * value from base range is removed in the current,
934 * move only base and repeat checking */
935 ++v;
936 --u;
937 continue;
938 }
939 } else {
940 /* base is the range */
941 if (parts[u].min_64 == parts[u].max_64) {
942 /* current is a single value */
943 if ((uns && (parts[u].max_u64 > base_range->parts[v].max_u64)) || (!uns && (parts[u].max_64 > base_range->parts[v].max_64))) {
944 /* current is behind the base range, so base range is omitted,
945 * move the base and keep the current for further check */
946 ++v;
947 --u;
948 } /* else it is within the base range, so move the current, but keep the base */
949 continue;
950 } else {
951 /* both are ranges - check the higher bound, the lower was already checked */
952 if ((uns && (parts[u].max_u64 > base_range->parts[v].max_u64)) || (!uns && (parts[u].max_64 > base_range->parts[v].max_64))) {
953 /* higher bound is higher than the current higher bound */
954 if ((uns && (parts[u].min_u64 > base_range->parts[v].max_u64)) || (!uns && (parts[u].min_64 > base_range->parts[v].max_64))) {
955 /* but the current lower bound is also higher, so the base range is omitted,
956 * continue with the same current, but move the base */
957 --u;
958 ++v;
959 continue;
960 }
961 /* current range starts within the base range but end behind it */
962 goto baseerror;
963 } else {
964 /* current range is smaller than the base,
965 * move current, but stay with the base */
966 continue;
967 }
968 }
969 }
970 }
971 if (u != parts_done) {
972baseerror:
Radek Krejci2efc45b2020-12-22 16:25:44 +0100973 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200974 "Invalid %s restriction - the derived restriction (%s) is not equally or more limiting.",
Michal Vasko20c0b9f2021-08-24 08:16:27 +0200975 length_restr ? "length" : "range", range_p->arg.str);
aPiecek1c4da362021-04-29 14:26:34 +0200976 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200977 goto cleanup;
978 }
979 }
980
981 if (!(*range)) {
982 *range = calloc(1, sizeof **range);
983 LY_CHECK_ERR_RET(!(*range), LOGMEM(ctx->ctx), LY_EMEM);
984 }
985
986 /* we rewrite the following values as the types chain is being processed */
987 if (range_p->eapptag) {
988 lydict_remove(ctx->ctx, (*range)->eapptag);
989 LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->eapptag, 0, &(*range)->eapptag), cleanup);
990 }
991 if (range_p->emsg) {
992 lydict_remove(ctx->ctx, (*range)->emsg);
993 LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->emsg, 0, &(*range)->emsg), cleanup);
994 }
995 if (range_p->dsc) {
996 lydict_remove(ctx->ctx, (*range)->dsc);
997 LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->dsc, 0, &(*range)->dsc), cleanup);
998 }
999 if (range_p->ref) {
1000 lydict_remove(ctx->ctx, (*range)->ref);
1001 LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->ref, 0, &(*range)->ref), cleanup);
1002 }
1003 /* extensions are taken only from the last range by the caller */
1004
1005 (*range)->parts = parts;
1006 parts = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001007cleanup:
1008 LY_ARRAY_FREE(parts);
1009
1010 return ret;
1011}
1012
1013LY_ERR
Radek Krejci2efc45b2020-12-22 16:25:44 +01001014lys_compile_type_pattern_check(struct ly_ctx *ctx, const char *pattern, pcre2_code **code)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001015{
1016 size_t idx, idx2, start, end, size, brack;
1017 char *perl_regex, *ptr;
Christian Hoppsdafed222021-03-22 13:02:42 -04001018 int err_code, compile_opts;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001019 const char *orig_ptr;
1020 PCRE2_SIZE err_offset;
1021 pcre2_code *code_local;
1022
1023#define URANGE_LEN 19
1024 char *ublock2urange[][2] = {
1025 {"BasicLatin", "[\\x{0000}-\\x{007F}]"},
1026 {"Latin-1Supplement", "[\\x{0080}-\\x{00FF}]"},
1027 {"LatinExtended-A", "[\\x{0100}-\\x{017F}]"},
1028 {"LatinExtended-B", "[\\x{0180}-\\x{024F}]"},
1029 {"IPAExtensions", "[\\x{0250}-\\x{02AF}]"},
1030 {"SpacingModifierLetters", "[\\x{02B0}-\\x{02FF}]"},
1031 {"CombiningDiacriticalMarks", "[\\x{0300}-\\x{036F}]"},
1032 {"Greek", "[\\x{0370}-\\x{03FF}]"},
1033 {"Cyrillic", "[\\x{0400}-\\x{04FF}]"},
1034 {"Armenian", "[\\x{0530}-\\x{058F}]"},
1035 {"Hebrew", "[\\x{0590}-\\x{05FF}]"},
1036 {"Arabic", "[\\x{0600}-\\x{06FF}]"},
1037 {"Syriac", "[\\x{0700}-\\x{074F}]"},
1038 {"Thaana", "[\\x{0780}-\\x{07BF}]"},
1039 {"Devanagari", "[\\x{0900}-\\x{097F}]"},
1040 {"Bengali", "[\\x{0980}-\\x{09FF}]"},
1041 {"Gurmukhi", "[\\x{0A00}-\\x{0A7F}]"},
1042 {"Gujarati", "[\\x{0A80}-\\x{0AFF}]"},
1043 {"Oriya", "[\\x{0B00}-\\x{0B7F}]"},
1044 {"Tamil", "[\\x{0B80}-\\x{0BFF}]"},
1045 {"Telugu", "[\\x{0C00}-\\x{0C7F}]"},
1046 {"Kannada", "[\\x{0C80}-\\x{0CFF}]"},
1047 {"Malayalam", "[\\x{0D00}-\\x{0D7F}]"},
1048 {"Sinhala", "[\\x{0D80}-\\x{0DFF}]"},
1049 {"Thai", "[\\x{0E00}-\\x{0E7F}]"},
1050 {"Lao", "[\\x{0E80}-\\x{0EFF}]"},
1051 {"Tibetan", "[\\x{0F00}-\\x{0FFF}]"},
1052 {"Myanmar", "[\\x{1000}-\\x{109F}]"},
1053 {"Georgian", "[\\x{10A0}-\\x{10FF}]"},
1054 {"HangulJamo", "[\\x{1100}-\\x{11FF}]"},
1055 {"Ethiopic", "[\\x{1200}-\\x{137F}]"},
1056 {"Cherokee", "[\\x{13A0}-\\x{13FF}]"},
1057 {"UnifiedCanadianAboriginalSyllabics", "[\\x{1400}-\\x{167F}]"},
1058 {"Ogham", "[\\x{1680}-\\x{169F}]"},
1059 {"Runic", "[\\x{16A0}-\\x{16FF}]"},
1060 {"Khmer", "[\\x{1780}-\\x{17FF}]"},
1061 {"Mongolian", "[\\x{1800}-\\x{18AF}]"},
1062 {"LatinExtendedAdditional", "[\\x{1E00}-\\x{1EFF}]"},
1063 {"GreekExtended", "[\\x{1F00}-\\x{1FFF}]"},
1064 {"GeneralPunctuation", "[\\x{2000}-\\x{206F}]"},
1065 {"SuperscriptsandSubscripts", "[\\x{2070}-\\x{209F}]"},
1066 {"CurrencySymbols", "[\\x{20A0}-\\x{20CF}]"},
1067 {"CombiningMarksforSymbols", "[\\x{20D0}-\\x{20FF}]"},
1068 {"LetterlikeSymbols", "[\\x{2100}-\\x{214F}]"},
1069 {"NumberForms", "[\\x{2150}-\\x{218F}]"},
1070 {"Arrows", "[\\x{2190}-\\x{21FF}]"},
1071 {"MathematicalOperators", "[\\x{2200}-\\x{22FF}]"},
1072 {"MiscellaneousTechnical", "[\\x{2300}-\\x{23FF}]"},
1073 {"ControlPictures", "[\\x{2400}-\\x{243F}]"},
1074 {"OpticalCharacterRecognition", "[\\x{2440}-\\x{245F}]"},
1075 {"EnclosedAlphanumerics", "[\\x{2460}-\\x{24FF}]"},
1076 {"BoxDrawing", "[\\x{2500}-\\x{257F}]"},
1077 {"BlockElements", "[\\x{2580}-\\x{259F}]"},
1078 {"GeometricShapes", "[\\x{25A0}-\\x{25FF}]"},
1079 {"MiscellaneousSymbols", "[\\x{2600}-\\x{26FF}]"},
1080 {"Dingbats", "[\\x{2700}-\\x{27BF}]"},
1081 {"BraillePatterns", "[\\x{2800}-\\x{28FF}]"},
1082 {"CJKRadicalsSupplement", "[\\x{2E80}-\\x{2EFF}]"},
1083 {"KangxiRadicals", "[\\x{2F00}-\\x{2FDF}]"},
1084 {"IdeographicDescriptionCharacters", "[\\x{2FF0}-\\x{2FFF}]"},
1085 {"CJKSymbolsandPunctuation", "[\\x{3000}-\\x{303F}]"},
1086 {"Hiragana", "[\\x{3040}-\\x{309F}]"},
1087 {"Katakana", "[\\x{30A0}-\\x{30FF}]"},
1088 {"Bopomofo", "[\\x{3100}-\\x{312F}]"},
1089 {"HangulCompatibilityJamo", "[\\x{3130}-\\x{318F}]"},
1090 {"Kanbun", "[\\x{3190}-\\x{319F}]"},
1091 {"BopomofoExtended", "[\\x{31A0}-\\x{31BF}]"},
1092 {"EnclosedCJKLettersandMonths", "[\\x{3200}-\\x{32FF}]"},
1093 {"CJKCompatibility", "[\\x{3300}-\\x{33FF}]"},
1094 {"CJKUnifiedIdeographsExtensionA", "[\\x{3400}-\\x{4DB5}]"},
1095 {"CJKUnifiedIdeographs", "[\\x{4E00}-\\x{9FFF}]"},
1096 {"YiSyllables", "[\\x{A000}-\\x{A48F}]"},
1097 {"YiRadicals", "[\\x{A490}-\\x{A4CF}]"},
1098 {"HangulSyllables", "[\\x{AC00}-\\x{D7A3}]"},
1099 {"PrivateUse", "[\\x{E000}-\\x{F8FF}]"},
1100 {"CJKCompatibilityIdeographs", "[\\x{F900}-\\x{FAFF}]"},
1101 {"AlphabeticPresentationForms", "[\\x{FB00}-\\x{FB4F}]"},
1102 {"ArabicPresentationForms-A", "[\\x{FB50}-\\x{FDFF}]"},
1103 {"CombiningHalfMarks", "[\\x{FE20}-\\x{FE2F}]"},
1104 {"CJKCompatibilityForms", "[\\x{FE30}-\\x{FE4F}]"},
1105 {"SmallFormVariants", "[\\x{FE50}-\\x{FE6F}]"},
1106 {"ArabicPresentationForms-B", "[\\x{FE70}-\\x{FEFE}]"},
1107 {"HalfwidthandFullwidthForms", "[\\x{FF00}-\\x{FFEF}]"},
Michal Vasko2b71ab52020-12-01 16:44:11 +01001108 {"Specials", "[\\x{FEFF}|\\x{FFF0}-\\x{FFFD}]"},
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001109 {NULL, NULL}
1110 };
1111
1112 /* adjust the expression to a Perl equivalent
1113 * http://www.w3.org/TR/2004/REC-xmlschema-2-20041028/#regexs */
1114
1115 /* allocate space for the transformed pattern */
1116 size = strlen(pattern) + 1;
Christian Hoppsdafed222021-03-22 13:02:42 -04001117 compile_opts = PCRE2_UTF | PCRE2_ANCHORED | PCRE2_DOLLAR_ENDONLY | PCRE2_NO_AUTO_CAPTURE;
1118#ifdef PCRE2_ENDANCHORED
1119 compile_opts |= PCRE2_ENDANCHORED;
1120#else
1121 /* add space for trailing $ anchor */
1122 size++;
1123#endif
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001124 perl_regex = malloc(size);
1125 LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx), LY_EMEM);
1126 perl_regex[0] = '\0';
1127
1128 /* we need to replace all "$" and "^" (that are not in "[]") with "\$" and "\^" */
1129 brack = 0;
1130 idx = 0;
1131 orig_ptr = pattern;
1132 while (orig_ptr[0]) {
1133 switch (orig_ptr[0]) {
1134 case '$':
1135 case '^':
1136 if (!brack) {
1137 /* make space for the extra character */
1138 ++size;
1139 perl_regex = ly_realloc(perl_regex, size);
1140 LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx), LY_EMEM);
1141
1142 /* print escape slash */
1143 perl_regex[idx] = '\\';
1144 ++idx;
1145 }
1146 break;
1147 case '[':
1148 /* must not be escaped */
1149 if ((orig_ptr == pattern) || (orig_ptr[-1] != '\\')) {
1150 ++brack;
1151 }
1152 break;
1153 case ']':
1154 if ((orig_ptr == pattern) || (orig_ptr[-1] != '\\')) {
1155 /* pattern was checked and compiled already */
1156 assert(brack);
1157 --brack;
1158 }
1159 break;
1160 default:
1161 break;
1162 }
1163
1164 /* copy char */
1165 perl_regex[idx] = orig_ptr[0];
1166
1167 ++idx;
1168 ++orig_ptr;
1169 }
Christian Hoppsdafed222021-03-22 13:02:42 -04001170#ifndef PCRE2_ENDANCHORED
1171 /* anchor match to end of subject */
1172 perl_regex[idx++] = '$';
1173#endif
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001174 perl_regex[idx] = '\0';
1175
1176 /* substitute Unicode Character Blocks with exact Character Ranges */
1177 while ((ptr = strstr(perl_regex, "\\p{Is"))) {
1178 start = ptr - perl_regex;
1179
1180 ptr = strchr(ptr, '}');
1181 if (!ptr) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001182 LOGVAL(ctx, LY_VCODE_INREGEXP, pattern, perl_regex + start + 2, "unterminated character property");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001183 free(perl_regex);
1184 return LY_EVALID;
1185 }
1186 end = (ptr - perl_regex) + 1;
1187
1188 /* need more space */
1189 if (end - start < URANGE_LEN) {
1190 perl_regex = ly_realloc(perl_regex, strlen(perl_regex) + (URANGE_LEN - (end - start)) + 1);
1191 LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx); free(perl_regex), LY_EMEM);
1192 }
1193
1194 /* find our range */
1195 for (idx = 0; ublock2urange[idx][0]; ++idx) {
Radek Krejcif13b87b2020-12-01 22:02:17 +01001196 if (!strncmp(perl_regex + start + ly_strlen_const("\\p{Is"),
1197 ublock2urange[idx][0], strlen(ublock2urange[idx][0]))) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001198 break;
1199 }
1200 }
1201 if (!ublock2urange[idx][0]) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001202 LOGVAL(ctx, LY_VCODE_INREGEXP, pattern, perl_regex + start + 5, "unknown block name");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001203 free(perl_regex);
1204 return LY_EVALID;
1205 }
1206
1207 /* make the space in the string and replace the block (but we cannot include brackets if it was already enclosed in them) */
1208 for (idx2 = 0, idx = 0; idx2 < start; ++idx2) {
1209 if ((perl_regex[idx2] == '[') && (!idx2 || (perl_regex[idx2 - 1] != '\\'))) {
1210 ++idx;
1211 }
1212 if ((perl_regex[idx2] == ']') && (!idx2 || (perl_regex[idx2 - 1] != '\\'))) {
1213 --idx;
1214 }
1215 }
1216 if (idx) {
1217 /* skip brackets */
1218 memmove(perl_regex + start + (URANGE_LEN - 2), perl_regex + end, strlen(perl_regex + end) + 1);
1219 memcpy(perl_regex + start, ublock2urange[idx][1] + 1, URANGE_LEN - 2);
1220 } else {
1221 memmove(perl_regex + start + URANGE_LEN, perl_regex + end, strlen(perl_regex + end) + 1);
1222 memcpy(perl_regex + start, ublock2urange[idx][1], URANGE_LEN);
1223 }
1224 }
1225
1226 /* must return 0, already checked during parsing */
Christian Hoppsdafed222021-03-22 13:02:42 -04001227 code_local = pcre2_compile((PCRE2_SPTR)perl_regex, PCRE2_ZERO_TERMINATED, compile_opts,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001228 &err_code, &err_offset, NULL);
1229 if (!code_local) {
Radek Krejcif13b87b2020-12-01 22:02:17 +01001230 PCRE2_UCHAR err_msg[LY_PCRE2_MSG_LIMIT] = {0};
1231 pcre2_get_error_message(err_code, err_msg, LY_PCRE2_MSG_LIMIT);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001232 LOGVAL(ctx, LY_VCODE_INREGEXP, pattern, perl_regex + err_offset, err_msg);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001233 free(perl_regex);
1234 return LY_EVALID;
1235 }
1236 free(perl_regex);
1237
1238 if (code) {
1239 *code = code_local;
1240 } else {
1241 free(code_local);
1242 }
1243
1244 return LY_SUCCESS;
1245
1246#undef URANGE_LEN
1247}
1248
1249/**
1250 * @brief Compile parsed pattern restriction in conjunction with the patterns from base type.
1251 * @param[in] ctx Compile context.
1252 * @param[in] patterns_p Array of parsed patterns from the current type to compile.
1253 * @param[in] base_patterns Compiled patterns from the type from which the current type is derived.
1254 * Patterns from the base type are inherited to have all the patterns that have to match at one place.
1255 * @param[out] patterns Pointer to the storage for the patterns of the current type.
1256 * @return LY_ERR LY_SUCCESS, LY_EMEM, LY_EVALID.
1257 */
1258static LY_ERR
1259lys_compile_type_patterns(struct lysc_ctx *ctx, struct lysp_restr *patterns_p,
1260 struct lysc_pattern **base_patterns, struct lysc_pattern ***patterns)
1261{
1262 struct lysc_pattern **pattern;
1263 LY_ARRAY_COUNT_TYPE u;
1264 LY_ERR ret = LY_SUCCESS;
1265
1266 /* first, copy the patterns from the base type */
1267 if (base_patterns) {
1268 *patterns = lysc_patterns_dup(ctx->ctx, base_patterns);
1269 LY_CHECK_ERR_RET(!(*patterns), LOGMEM(ctx->ctx), LY_EMEM);
1270 }
1271
1272 LY_ARRAY_FOR(patterns_p, u) {
1273 LY_ARRAY_NEW_RET(ctx->ctx, (*patterns), pattern, LY_EMEM);
1274 *pattern = calloc(1, sizeof **pattern);
1275 ++(*pattern)->refcount;
1276
Radek Krejci2efc45b2020-12-22 16:25:44 +01001277 ret = lys_compile_type_pattern_check(ctx->ctx, &patterns_p[u].arg.str[1], &(*pattern)->code);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001278 LY_CHECK_RET(ret);
1279
Radek Krejcif13b87b2020-12-01 22:02:17 +01001280 if (patterns_p[u].arg.str[0] == LYSP_RESTR_PATTERN_NACK) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001281 (*pattern)->inverted = 1;
1282 }
1283 DUP_STRING_GOTO(ctx->ctx, &patterns_p[u].arg.str[1], (*pattern)->expr, ret, done);
1284 DUP_STRING_GOTO(ctx->ctx, patterns_p[u].eapptag, (*pattern)->eapptag, ret, done);
1285 DUP_STRING_GOTO(ctx->ctx, patterns_p[u].emsg, (*pattern)->emsg, ret, done);
1286 DUP_STRING_GOTO(ctx->ctx, patterns_p[u].dsc, (*pattern)->dsc, ret, done);
1287 DUP_STRING_GOTO(ctx->ctx, patterns_p[u].ref, (*pattern)->ref, ret, done);
Radek Krejciab430862021-03-02 20:13:40 +01001288 COMPILE_EXTS_GOTO(ctx, patterns_p[u].exts, (*pattern)->exts, (*pattern), ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001289 }
1290done:
1291 return ret;
1292}
1293
1294/**
1295 * @brief map of the possible restrictions combination for the specific built-in type.
1296 */
1297static uint16_t type_substmt_map[LY_DATA_TYPE_COUNT] = {
1298 0 /* LY_TYPE_UNKNOWN */,
1299 LYS_SET_LENGTH /* LY_TYPE_BINARY */,
1300 LYS_SET_RANGE /* LY_TYPE_UINT8 */,
1301 LYS_SET_RANGE /* LY_TYPE_UINT16 */,
1302 LYS_SET_RANGE /* LY_TYPE_UINT32 */,
1303 LYS_SET_RANGE /* LY_TYPE_UINT64 */,
1304 LYS_SET_LENGTH | LYS_SET_PATTERN /* LY_TYPE_STRING */,
1305 LYS_SET_BIT /* LY_TYPE_BITS */,
1306 0 /* LY_TYPE_BOOL */,
1307 LYS_SET_FRDIGITS | LYS_SET_RANGE /* LY_TYPE_DEC64 */,
1308 0 /* LY_TYPE_EMPTY */,
1309 LYS_SET_ENUM /* LY_TYPE_ENUM */,
1310 LYS_SET_BASE /* LY_TYPE_IDENT */,
1311 LYS_SET_REQINST /* LY_TYPE_INST */,
1312 LYS_SET_REQINST | LYS_SET_PATH /* LY_TYPE_LEAFREF */,
1313 LYS_SET_TYPE /* LY_TYPE_UNION */,
1314 LYS_SET_RANGE /* LY_TYPE_INT8 */,
1315 LYS_SET_RANGE /* LY_TYPE_INT16 */,
1316 LYS_SET_RANGE /* LY_TYPE_INT32 */,
1317 LYS_SET_RANGE /* LY_TYPE_INT64 */
1318};
1319
1320/**
1321 * @brief stringification of the YANG built-in data types
1322 */
1323const char *ly_data_type2str[LY_DATA_TYPE_COUNT] = {
Radek Krejci04699f02021-03-22 21:50:29 +01001324 LY_TYPE_UNKNOWN_STR,
1325 LY_TYPE_BINARY_STR,
1326 LY_TYPE_UINT8_STR,
1327 LY_TYPE_UINT16_STR,
1328 LY_TYPE_UINT32_STR,
1329 LY_TYPE_UINT64_STR,
1330 LY_TYPE_STRING_STR,
1331 LY_TYPE_BITS_STR,
1332 LY_TYPE_BOOL_STR,
1333 LY_TYPE_DEC64_STR,
1334 LY_TYPE_EMPTY_STR,
1335 LY_TYPE_ENUM_STR,
1336 LY_TYPE_IDENT_STR,
1337 LY_TYPE_INST_STR,
1338 LY_TYPE_LEAFREF_STR,
1339 LY_TYPE_UNION_STR,
1340 LY_TYPE_INT8_STR,
1341 LY_TYPE_INT16_STR,
1342 LY_TYPE_INT32_STR,
1343 LY_TYPE_INT64_STR
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001344};
1345
1346/**
1347 * @brief Compile parsed type's enum structures (for enumeration and bits types).
1348 * @param[in] ctx Compile context.
1349 * @param[in] enums_p Array of the parsed enum structures to compile.
1350 * @param[in] basetype Base YANG built-in type from which the current type is derived. Only LY_TYPE_ENUM and LY_TYPE_BITS are expected.
1351 * @param[in] base_enums Array of the compiled enums information from the (latest) base type to check if the current enums are compatible.
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001352 * @param[out] bitenums Newly created array of the compiled bitenums information for the current type.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001353 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
1354 */
1355static LY_ERR
1356lys_compile_type_enums(struct lysc_ctx *ctx, struct lysp_type_enum *enums_p, LY_DATA_TYPE basetype,
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001357 struct lysc_type_bitenum_item *base_enums, struct lysc_type_bitenum_item **bitenums)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001358{
1359 LY_ERR ret = LY_SUCCESS;
1360 LY_ARRAY_COUNT_TYPE u, v, match = 0;
Radek Krejci430a5582020-12-01 13:35:18 +01001361 int32_t highest_value = INT32_MIN, cur_val = INT32_MIN;
1362 uint32_t highest_position = 0, cur_pos = 0;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001363 struct lysc_type_bitenum_item *e, storage;
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001364 ly_bool enabled;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001365
1366 if (base_enums && (ctx->pmod->version < LYS_VERSION_1_1)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001367 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "%s type can be subtyped only in YANG 1.1 modules.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001368 basetype == LY_TYPE_ENUM ? "Enumeration" : "Bits");
1369 return LY_EVALID;
1370 }
1371
1372 LY_ARRAY_FOR(enums_p, u) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001373 /* perform all checks */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001374 if (base_enums) {
1375 /* check the enum/bit presence in the base type - the set of enums/bits in the derived type must be a subset */
1376 LY_ARRAY_FOR(base_enums, v) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001377 if (!strcmp(enums_p[u].name, base_enums[v].name)) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001378 break;
1379 }
1380 }
1381 if (v == LY_ARRAY_COUNT(base_enums)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001382 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001383 "Invalid %s - derived type adds new item \"%s\".",
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001384 basetype == LY_TYPE_ENUM ? "enumeration" : "bits", enums_p[u].name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001385 return LY_EVALID;
1386 }
1387 match = v;
1388 }
1389
1390 if (basetype == LY_TYPE_ENUM) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001391 if (enums_p[u].flags & LYS_SET_VALUE) {
Radek IÅ¡a038b60d2020-11-26 11:37:15 +01001392 /* value assigned by model */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001393 cur_val = (int32_t)enums_p[u].value;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001394 /* check collision with other values */
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001395 LY_ARRAY_FOR(*bitenums, v) {
1396 if (cur_val == (*bitenums)[v].value) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001397 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001398 "Invalid enumeration - value %d collide in items \"%s\" and \"%s\".",
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001399 cur_val, enums_p[u].name, (*bitenums)[v].name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001400 return LY_EVALID;
1401 }
1402 }
1403 } else if (base_enums) {
1404 /* inherit the assigned value */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001405 cur_val = base_enums[match].value;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001406 } else {
1407 /* assign value automatically */
Radek IÅ¡a038b60d2020-11-26 11:37:15 +01001408 if (u == 0) {
1409 cur_val = 0;
1410 } else if (highest_value == INT32_MAX) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001411 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001412 "Invalid enumeration - it is not possible to auto-assign enum value for "
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001413 "\"%s\" since the highest value is already 2147483647.", enums_p[u].name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001414 return LY_EVALID;
Radek IÅ¡a038b60d2020-11-26 11:37:15 +01001415 } else {
1416 cur_val = highest_value + 1;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001417 }
Radek IÅ¡a038b60d2020-11-26 11:37:15 +01001418 }
1419
1420 /* save highest value for auto assing */
1421 if (highest_value < cur_val) {
1422 highest_value = cur_val;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001423 }
1424 } else { /* LY_TYPE_BITS */
1425 if (enums_p[u].flags & LYS_SET_VALUE) {
Radek IÅ¡aca013ee2020-11-26 17:51:26 +01001426 /* value assigned by model */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001427 cur_pos = (uint32_t)enums_p[u].value;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001428 /* check collision with other values */
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001429 LY_ARRAY_FOR(*bitenums, v) {
1430 if (cur_pos == (*bitenums)[v].position) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001431 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001432 "Invalid bits - position %u collide in items \"%s\" and \"%s\".",
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001433 cur_pos, enums_p[u].name, (*bitenums)[v].name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001434 return LY_EVALID;
1435 }
1436 }
1437 } else if (base_enums) {
1438 /* inherit the assigned value */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001439 cur_pos = base_enums[match].position;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001440 } else {
1441 /* assign value automatically */
Radek IÅ¡aca013ee2020-11-26 17:51:26 +01001442 if (u == 0) {
1443 cur_pos = 0;
1444 } else if (highest_position == UINT32_MAX) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001445 /* counter overflow */
Radek Krejci2efc45b2020-12-22 16:25:44 +01001446 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001447 "Invalid bits - it is not possible to auto-assign bit position for "
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001448 "\"%s\" since the highest value is already 4294967295.", enums_p[u].name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001449 return LY_EVALID;
Radek IÅ¡aca013ee2020-11-26 17:51:26 +01001450 } else {
1451 cur_pos = highest_position + 1;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001452 }
Radek IÅ¡aca013ee2020-11-26 17:51:26 +01001453 }
1454
1455 /* save highest position for auto assing */
1456 if (highest_position < cur_pos) {
1457 highest_position = cur_pos;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001458 }
1459 }
1460
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001461 /* the assigned values must not change from the derived type */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001462 if (base_enums) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001463 if (basetype == LY_TYPE_ENUM) {
1464 if (cur_val != base_enums[match].value) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001465 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001466 "Invalid enumeration - value of the item \"%s\" has changed from %d to %d in the derived type.",
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001467 enums_p[u].name, base_enums[match].value, cur_val);
1468 return LY_EVALID;
1469 }
1470 } else {
1471 if (cur_pos != base_enums[match].position) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001472 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001473 "Invalid bits - position of the item \"%s\" has changed from %u to %u in the derived type.",
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001474 enums_p[u].name, base_enums[match].position, cur_pos);
1475 return LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001476 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001477 }
1478 }
1479
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001480 /* add new enum/bit */
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001481 LY_ARRAY_NEW_RET(ctx->ctx, *bitenums, e, LY_EMEM);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001482 DUP_STRING_GOTO(ctx->ctx, enums_p[u].name, e->name, ret, done);
1483 DUP_STRING_GOTO(ctx->ctx, enums_p[u].dsc, e->dsc, ret, done);
1484 DUP_STRING_GOTO(ctx->ctx, enums_p[u].ref, e->ref, ret, done);
Michal Vaskod1e53b92021-01-28 13:11:06 +01001485 e->flags = (enums_p[u].flags & LYS_FLAGS_COMPILED_MASK) | (basetype == LY_TYPE_ENUM ? LYS_IS_ENUM : 0);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001486 if (basetype == LY_TYPE_ENUM) {
1487 e->value = cur_val;
1488 } else {
1489 e->position = cur_pos;
1490 }
Radek Krejciab430862021-03-02 20:13:40 +01001491 COMPILE_EXTS_GOTO(ctx, enums_p[u].exts, e->exts, e, ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001492
Michal Vaskof4fa90d2021-11-11 15:05:19 +01001493 /* evaluate if-ffeatures */
1494 LY_CHECK_RET(lys_eval_iffeatures(ctx->ctx, enums_p[u].iffeatures, &enabled));
1495 if (!enabled) {
1496 /* set only flag, later resolved and removed */
1497 e->flags |= LYS_DISABLED;
1498 }
1499
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001500 if (basetype == LY_TYPE_BITS) {
1501 /* keep bits ordered by position */
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001502 for (v = u; v && (*bitenums)[v - 1].position > e->position; --v) {}
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001503 if (v != u) {
1504 memcpy(&storage, e, sizeof *e);
Radek IÅ¡a0fe25a92021-03-18 08:45:18 +01001505 memmove(&(*bitenums)[v + 1], &(*bitenums)[v], (u - v) * sizeof **bitenums);
1506 memcpy(&(*bitenums)[v], &storage, sizeof storage);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001507 }
1508 }
1509 }
1510
1511done:
1512 return ret;
1513}
1514
Radek Krejci6a205692020-12-09 13:58:22 +01001515static LY_ERR
1516lys_compile_type_union(struct lysc_ctx *ctx, struct lysp_type *ptypes, struct lysp_node *context_pnode, uint16_t context_flags,
Michal Vaskoa99b3572021-02-01 11:54:58 +01001517 const char *context_name, struct lysc_type ***utypes_p)
Radek Krejci6a205692020-12-09 13:58:22 +01001518{
1519 LY_ERR ret = LY_SUCCESS;
1520 struct lysc_type **utypes = *utypes_p;
1521 struct lysc_type_union *un_aux = NULL;
1522
1523 LY_ARRAY_CREATE_GOTO(ctx->ctx, utypes, LY_ARRAY_COUNT(ptypes), ret, error);
1524 for (LY_ARRAY_COUNT_TYPE u = 0, additional = 0; u < LY_ARRAY_COUNT(ptypes); ++u) {
Michal Vaskoa99b3572021-02-01 11:54:58 +01001525 ret = lys_compile_type(ctx, context_pnode, context_flags, context_name, &ptypes[u], &utypes[u + additional],
1526 NULL, NULL);
Radek Krejci6a205692020-12-09 13:58:22 +01001527 LY_CHECK_GOTO(ret, error);
1528 if (utypes[u + additional]->basetype == LY_TYPE_UNION) {
1529 /* add space for additional types from the union subtype */
1530 un_aux = (struct lysc_type_union *)utypes[u + additional];
1531 LY_ARRAY_CREATE_GOTO(ctx->ctx, utypes,
1532 LY_ARRAY_COUNT(ptypes) + additional + LY_ARRAY_COUNT(un_aux->types) - LY_ARRAY_COUNT(utypes), ret, error);
1533
1534 /* copy subtypes of the subtype union */
1535 for (LY_ARRAY_COUNT_TYPE v = 0; v < LY_ARRAY_COUNT(un_aux->types); ++v) {
1536 if (un_aux->types[v]->basetype == LY_TYPE_LEAFREF) {
1537 struct lysc_type_leafref *lref;
1538
1539 /* duplicate the whole structure because of the instance-specific path resolving for realtype */
1540 utypes[u + additional] = calloc(1, sizeof(struct lysc_type_leafref));
1541 LY_CHECK_ERR_GOTO(!utypes[u + additional], LOGMEM(ctx->ctx); ret = LY_EMEM, error);
1542 lref = (struct lysc_type_leafref *)utypes[u + additional];
1543
1544 lref->basetype = LY_TYPE_LEAFREF;
1545 ret = lyxp_expr_dup(ctx->ctx, ((struct lysc_type_leafref *)un_aux->types[v])->path, &lref->path);
1546 LY_CHECK_GOTO(ret, error);
Michal Vasko080064b2021-08-31 15:20:44 +02001547 lref->refcount = 1;
Radek Krejci6a205692020-12-09 13:58:22 +01001548 lref->require_instance = ((struct lysc_type_leafref *)un_aux->types[v])->require_instance;
Radek Krejci8df109d2021-04-23 12:19:08 +02001549 ret = lyplg_type_prefix_data_dup(ctx->ctx, LY_VALUE_SCHEMA_RESOLVED,
Radek Krejci2926c1b2021-03-16 14:45:45 +01001550 ((struct lysc_type_leafref *)un_aux->types[v])->prefixes, (void **)&lref->prefixes);
Radek Krejci6a205692020-12-09 13:58:22 +01001551 LY_CHECK_GOTO(ret, error);
1552 /* TODO extensions */
1553
1554 } else {
1555 utypes[u + additional] = un_aux->types[v];
Michal Vasko04338d92021-09-01 07:58:14 +02001556 LY_ATOMIC_INC_BARRIER(un_aux->types[v]->refcount);
Radek Krejci6a205692020-12-09 13:58:22 +01001557 }
1558 ++additional;
1559 LY_ARRAY_INCREMENT(utypes);
1560 }
1561 /* compensate u increment in main loop */
1562 --additional;
1563
1564 /* free the replaced union subtype */
1565 lysc_type_free(ctx->ctx, (struct lysc_type *)un_aux);
1566 un_aux = NULL;
1567 } else {
1568 LY_ARRAY_INCREMENT(utypes);
1569 }
1570 }
1571
1572 *utypes_p = utypes;
1573 return LY_SUCCESS;
1574
1575error:
1576 if (un_aux) {
1577 lysc_type_free(ctx->ctx, (struct lysc_type *)un_aux);
1578 }
1579 *utypes_p = utypes;
1580 return ret;
1581}
1582
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001583/**
1584 * @brief The core of the lys_compile_type() - compile information about the given type (from typedef or leaf/leaf-list).
1585 * @param[in] ctx Compile context.
1586 * @param[in] context_pnode Schema node where the type/typedef is placed to correctly find the base types.
1587 * @param[in] context_flags Flags of the context node or the referencing typedef to correctly check status of referencing and referenced objects.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001588 * @param[in] context_name Name of the context node or referencing typedef for logging.
1589 * @param[in] type_p Parsed type to compile.
1590 * @param[in] basetype Base YANG built-in type of the type to compile.
1591 * @param[in] tpdfname Name of the type's typedef, serves as a flag - if it is leaf/leaf-list's type, it is NULL.
1592 * @param[in] base The latest base (compiled) type from which the current type is being derived.
1593 * @param[out] type Newly created type structure with the filled information about the type.
1594 * @return LY_ERR value.
1595 */
1596static LY_ERR
Michal Vaskoa99b3572021-02-01 11:54:58 +01001597lys_compile_type_(struct lysc_ctx *ctx, struct lysp_node *context_pnode, uint16_t context_flags, const char *context_name,
1598 struct lysp_type *type_p, LY_DATA_TYPE basetype, const char *tpdfname, struct lysc_type *base, struct lysc_type **type)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001599{
1600 LY_ERR ret = LY_SUCCESS;
1601 struct lysc_type_bin *bin;
1602 struct lysc_type_num *num;
1603 struct lysc_type_str *str;
1604 struct lysc_type_bits *bits;
1605 struct lysc_type_enum *enumeration;
1606 struct lysc_type_dec *dec;
1607 struct lysc_type_identityref *idref;
1608 struct lysc_type_leafref *lref;
Radek Krejci6a205692020-12-09 13:58:22 +01001609 struct lysc_type_union *un;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001610
1611 switch (basetype) {
1612 case LY_TYPE_BINARY:
1613 bin = (struct lysc_type_bin *)(*type);
1614
1615 /* RFC 7950 9.8.1, 9.4.4 - length, number of octets it contains */
1616 if (type_p->length) {
1617 LY_CHECK_RET(lys_compile_type_range(ctx, type_p->length, basetype, 1, 0,
1618 base ? ((struct lysc_type_bin *)base)->length : NULL, &bin->length));
1619 if (!tpdfname) {
Radek Krejciab430862021-03-02 20:13:40 +01001620 COMPILE_EXTS_GOTO(ctx, type_p->length->exts, bin->length->exts, bin->length, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001621 }
1622 }
1623 break;
1624 case LY_TYPE_BITS:
1625 /* RFC 7950 9.7 - bits */
1626 bits = (struct lysc_type_bits *)(*type);
1627 if (type_p->bits) {
1628 LY_CHECK_RET(lys_compile_type_enums(ctx, type_p->bits, basetype,
1629 base ? (struct lysc_type_bitenum_item *)((struct lysc_type_bits *)base)->bits : NULL,
1630 (struct lysc_type_bitenum_item **)&bits->bits));
1631 }
1632
1633 if (!base && !type_p->flags) {
1634 /* type derived from bits built-in type must contain at least one bit */
1635 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001636 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "bit", "bits type ", tpdfname);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001637 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001638 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "bit", "bits type", "");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001639 }
1640 return LY_EVALID;
1641 }
1642 break;
1643 case LY_TYPE_DEC64:
1644 dec = (struct lysc_type_dec *)(*type);
1645
1646 /* RFC 7950 9.3.4 - fraction-digits */
1647 if (!base) {
1648 if (!type_p->fraction_digits) {
1649 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001650 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "fraction-digits", "decimal64 type ", tpdfname);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001651 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001652 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "fraction-digits", "decimal64 type", "");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001653 }
1654 return LY_EVALID;
1655 }
1656 dec->fraction_digits = type_p->fraction_digits;
1657 } else {
1658 if (type_p->fraction_digits) {
1659 /* fraction digits is prohibited in types not directly derived from built-in decimal64 */
1660 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001661 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001662 "Invalid fraction-digits substatement for type \"%s\" not directly derived from decimal64 built-in type.",
1663 tpdfname);
1664 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001665 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001666 "Invalid fraction-digits substatement for type not directly derived from decimal64 built-in type.");
1667 }
1668 return LY_EVALID;
1669 }
1670 dec->fraction_digits = ((struct lysc_type_dec *)base)->fraction_digits;
1671 }
1672
1673 /* RFC 7950 9.2.4 - range */
1674 if (type_p->range) {
1675 LY_CHECK_RET(lys_compile_type_range(ctx, type_p->range, basetype, 0, dec->fraction_digits,
1676 base ? ((struct lysc_type_dec *)base)->range : NULL, &dec->range));
1677 if (!tpdfname) {
Radek Krejciab430862021-03-02 20:13:40 +01001678 COMPILE_EXTS_GOTO(ctx, type_p->range->exts, dec->range->exts, dec->range, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001679 }
1680 }
1681 break;
1682 case LY_TYPE_STRING:
1683 str = (struct lysc_type_str *)(*type);
1684
1685 /* RFC 7950 9.4.4 - length */
1686 if (type_p->length) {
1687 LY_CHECK_RET(lys_compile_type_range(ctx, type_p->length, basetype, 1, 0,
1688 base ? ((struct lysc_type_str *)base)->length : NULL, &str->length));
1689 if (!tpdfname) {
Radek Krejciab430862021-03-02 20:13:40 +01001690 COMPILE_EXTS_GOTO(ctx, type_p->length->exts, str->length->exts, str->length, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001691 }
1692 } else if (base && ((struct lysc_type_str *)base)->length) {
1693 str->length = lysc_range_dup(ctx->ctx, ((struct lysc_type_str *)base)->length);
1694 }
1695
1696 /* RFC 7950 9.4.5 - pattern */
1697 if (type_p->patterns) {
1698 LY_CHECK_RET(lys_compile_type_patterns(ctx, type_p->patterns,
1699 base ? ((struct lysc_type_str *)base)->patterns : NULL, &str->patterns));
1700 } else if (base && ((struct lysc_type_str *)base)->patterns) {
1701 str->patterns = lysc_patterns_dup(ctx->ctx, ((struct lysc_type_str *)base)->patterns);
1702 }
1703 break;
1704 case LY_TYPE_ENUM:
1705 enumeration = (struct lysc_type_enum *)(*type);
1706
1707 /* RFC 7950 9.6 - enum */
1708 if (type_p->enums) {
1709 LY_CHECK_RET(lys_compile_type_enums(ctx, type_p->enums, basetype,
1710 base ? ((struct lysc_type_enum *)base)->enums : NULL, &enumeration->enums));
1711 }
1712
1713 if (!base && !type_p->flags) {
1714 /* type derived from enumerations built-in type must contain at least one enum */
1715 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001716 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "enum", "enumeration type ", tpdfname);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001717 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001718 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "enum", "enumeration type", "");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001719 }
1720 return LY_EVALID;
1721 }
1722 break;
1723 case LY_TYPE_INT8:
1724 case LY_TYPE_UINT8:
1725 case LY_TYPE_INT16:
1726 case LY_TYPE_UINT16:
1727 case LY_TYPE_INT32:
1728 case LY_TYPE_UINT32:
1729 case LY_TYPE_INT64:
1730 case LY_TYPE_UINT64:
1731 num = (struct lysc_type_num *)(*type);
1732
1733 /* RFC 6020 9.2.4 - range */
1734 if (type_p->range) {
1735 LY_CHECK_RET(lys_compile_type_range(ctx, type_p->range, basetype, 0, 0,
1736 base ? ((struct lysc_type_num *)base)->range : NULL, &num->range));
1737 if (!tpdfname) {
Radek Krejciab430862021-03-02 20:13:40 +01001738 COMPILE_EXTS_GOTO(ctx, type_p->range->exts, num->range->exts, num->range, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001739 }
1740 }
1741 break;
1742 case LY_TYPE_IDENT:
1743 idref = (struct lysc_type_identityref *)(*type);
1744
1745 /* RFC 7950 9.10.2 - base */
1746 if (type_p->bases) {
1747 if (base) {
1748 /* only the directly derived identityrefs can contain base specification */
1749 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001750 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001751 "Invalid base substatement for the type \"%s\" not directly derived from identityref built-in type.",
1752 tpdfname);
1753 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001754 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001755 "Invalid base substatement for the type not directly derived from identityref built-in type.");
1756 }
1757 return LY_EVALID;
1758 }
aPiecekf4a0a192021-08-03 15:14:17 +02001759 LY_CHECK_RET(lys_compile_identity_bases(ctx, type_p->pmod, type_p->bases, NULL, &idref->bases));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001760 }
1761
1762 if (!base && !type_p->flags) {
1763 /* type derived from identityref built-in type must contain at least one base */
1764 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001765 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "base", "identityref type ", tpdfname);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001766 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001767 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "base", "identityref type", "");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001768 }
1769 return LY_EVALID;
1770 }
1771 break;
1772 case LY_TYPE_LEAFREF:
1773 lref = (struct lysc_type_leafref *)*type;
1774
1775 /* RFC 7950 9.9.3 - require-instance */
1776 if (type_p->flags & LYS_SET_REQINST) {
Michal Vaskoa99b3572021-02-01 11:54:58 +01001777 if (type_p->pmod->version < LYS_VERSION_1_1) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001778 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001779 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001780 "Leafref type \"%s\" can be restricted by require-instance statement only in YANG 1.1 modules.", tpdfname);
1781 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001782 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001783 "Leafref type can be restricted by require-instance statement only in YANG 1.1 modules.");
1784 }
1785 return LY_EVALID;
1786 }
1787 lref->require_instance = type_p->require_instance;
1788 } else if (base) {
1789 /* inherit */
1790 lref->require_instance = ((struct lysc_type_leafref *)base)->require_instance;
1791 } else {
1792 /* default is true */
1793 lref->require_instance = 1;
1794 }
1795 if (type_p->path) {
Radek Krejci8df109d2021-04-23 12:19:08 +02001796 LY_VALUE_FORMAT format;
Radek Krejci2926c1b2021-03-16 14:45:45 +01001797
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001798 LY_CHECK_RET(lyxp_expr_dup(ctx->ctx, type_p->path, &lref->path));
Radek Krejci0b013302021-03-29 15:22:32 +02001799 LY_CHECK_RET(lyplg_type_prefix_data_new(ctx->ctx, type_p->path->expr, strlen(type_p->path->expr),
Radek Krejci8df109d2021-04-23 12:19:08 +02001800 LY_VALUE_SCHEMA, type_p->pmod, &format, (void **)&lref->prefixes));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001801 } else if (base) {
1802 LY_CHECK_RET(lyxp_expr_dup(ctx->ctx, ((struct lysc_type_leafref *)base)->path, &lref->path));
Radek Krejci8df109d2021-04-23 12:19:08 +02001803 LY_CHECK_RET(lyplg_type_prefix_data_dup(ctx->ctx, LY_VALUE_SCHEMA_RESOLVED,
Radek Krejci2926c1b2021-03-16 14:45:45 +01001804 ((struct lysc_type_leafref *)base)->prefixes, (void **)&lref->prefixes));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001805 } else if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001806 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "path", "leafref type ", tpdfname);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001807 return LY_EVALID;
1808 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001809 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "path", "leafref type", "");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001810 return LY_EVALID;
1811 }
1812 break;
1813 case LY_TYPE_INST:
1814 /* RFC 7950 9.9.3 - require-instance */
1815 if (type_p->flags & LYS_SET_REQINST) {
1816 ((struct lysc_type_instanceid *)(*type))->require_instance = type_p->require_instance;
1817 } else {
1818 /* default is true */
1819 ((struct lysc_type_instanceid *)(*type))->require_instance = 1;
1820 }
1821 break;
1822 case LY_TYPE_UNION:
1823 un = (struct lysc_type_union *)(*type);
1824
1825 /* RFC 7950 7.4 - type */
1826 if (type_p->types) {
1827 if (base) {
1828 /* only the directly derived union can contain types specification */
1829 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001830 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001831 "Invalid type substatement for the type \"%s\" not directly derived from union built-in type.",
1832 tpdfname);
1833 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001834 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001835 "Invalid type substatement for the type not directly derived from union built-in type.");
1836 }
1837 return LY_EVALID;
1838 }
1839 /* compile the type */
Michal Vaskoa99b3572021-02-01 11:54:58 +01001840 LY_CHECK_RET(lys_compile_type_union(ctx, type_p->types, context_pnode, context_flags, context_name, &un->types));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001841 }
1842
1843 if (!base && !type_p->flags) {
1844 /* type derived from union built-in type must contain at least one type */
1845 if (tpdfname) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001846 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "type", "union type ", tpdfname);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001847 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001848 LOGVAL(ctx->ctx, LY_VCODE_MISSCHILDSTMT, "type", "union type", "");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001849 }
1850 return LY_EVALID;
1851 }
1852 break;
1853 case LY_TYPE_BOOL:
1854 case LY_TYPE_EMPTY:
1855 case LY_TYPE_UNKNOWN: /* just to complete switch */
1856 break;
1857 }
1858
1859 if (tpdfname) {
1860 switch (basetype) {
1861 case LY_TYPE_BINARY:
1862 type_p->compiled = *type;
1863 *type = calloc(1, sizeof(struct lysc_type_bin));
1864 break;
1865 case LY_TYPE_BITS:
1866 type_p->compiled = *type;
1867 *type = calloc(1, sizeof(struct lysc_type_bits));
1868 break;
1869 case LY_TYPE_DEC64:
1870 type_p->compiled = *type;
1871 *type = calloc(1, sizeof(struct lysc_type_dec));
1872 break;
1873 case LY_TYPE_STRING:
1874 type_p->compiled = *type;
1875 *type = calloc(1, sizeof(struct lysc_type_str));
1876 break;
1877 case LY_TYPE_ENUM:
1878 type_p->compiled = *type;
1879 *type = calloc(1, sizeof(struct lysc_type_enum));
1880 break;
1881 case LY_TYPE_INT8:
1882 case LY_TYPE_UINT8:
1883 case LY_TYPE_INT16:
1884 case LY_TYPE_UINT16:
1885 case LY_TYPE_INT32:
1886 case LY_TYPE_UINT32:
1887 case LY_TYPE_INT64:
1888 case LY_TYPE_UINT64:
1889 type_p->compiled = *type;
1890 *type = calloc(1, sizeof(struct lysc_type_num));
1891 break;
1892 case LY_TYPE_IDENT:
1893 type_p->compiled = *type;
1894 *type = calloc(1, sizeof(struct lysc_type_identityref));
1895 break;
1896 case LY_TYPE_LEAFREF:
1897 type_p->compiled = *type;
1898 *type = calloc(1, sizeof(struct lysc_type_leafref));
1899 break;
1900 case LY_TYPE_INST:
1901 type_p->compiled = *type;
1902 *type = calloc(1, sizeof(struct lysc_type_instanceid));
1903 break;
1904 case LY_TYPE_UNION:
1905 type_p->compiled = *type;
1906 *type = calloc(1, sizeof(struct lysc_type_union));
1907 break;
1908 case LY_TYPE_BOOL:
1909 case LY_TYPE_EMPTY:
1910 case LY_TYPE_UNKNOWN: /* just to complete switch */
1911 break;
1912 }
1913 }
1914 LY_CHECK_ERR_RET(!(*type), LOGMEM(ctx->ctx), LY_EMEM);
1915
1916cleanup:
1917 return ret;
1918}
1919
1920LY_ERR
Michal Vaskoa99b3572021-02-01 11:54:58 +01001921lys_compile_type(struct lysc_ctx *ctx, struct lysp_node *context_pnode, uint16_t context_flags, const char *context_name,
1922 struct lysp_type *type_p, struct lysc_type **type, const char **units, struct lysp_qname **dflt)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001923{
1924 LY_ERR ret = LY_SUCCESS;
1925 ly_bool dummyloops = 0;
1926 struct type_context {
1927 const struct lysp_tpdf *tpdf;
1928 struct lysp_node *node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001929 } *tctx, *tctx_prev = NULL, *tctx_iter;
1930 LY_DATA_TYPE basetype = LY_TYPE_UNKNOWN;
1931 struct lysc_type *base = NULL, *prev_type;
1932 struct ly_set tpdf_chain = {0};
Michal Vasko388a6632021-08-06 11:27:43 +02001933 struct lyplg_type *plugin;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001934
1935 (*type) = NULL;
1936 if (dflt) {
1937 *dflt = NULL;
1938 }
1939
1940 tctx = calloc(1, sizeof *tctx);
1941 LY_CHECK_ERR_RET(!tctx, LOGMEM(ctx->ctx), LY_EMEM);
Michal Vaskoa99b3572021-02-01 11:54:58 +01001942 for (ret = lysp_type_find(type_p->name, context_pnode, type_p->pmod, &basetype, &tctx->tpdf, &tctx->node);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001943 ret == LY_SUCCESS;
Michal Vaskoa99b3572021-02-01 11:54:58 +01001944 ret = lysp_type_find(tctx_prev->tpdf->type.name, tctx_prev->node, tctx_prev->tpdf->type.pmod,
1945 &basetype, &tctx->tpdf, &tctx->node)) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001946 if (basetype) {
1947 break;
1948 }
1949
1950 /* check status */
Michal Vaskoa99b3572021-02-01 11:54:58 +01001951 ret = lysc_check_status(ctx, context_flags, (void *)type_p->pmod, context_name, tctx->tpdf->flags,
1952 (void *)tctx->tpdf->type.pmod, tctx->node ? tctx->node->name : tctx->tpdf->name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001953 LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
1954
1955 if (units && !*units) {
1956 /* inherit units */
1957 DUP_STRING(ctx->ctx, tctx->tpdf->units, *units, ret);
1958 LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
1959 }
1960 if (dflt && !*dflt && tctx->tpdf->dflt.str) {
1961 /* inherit default */
1962 *dflt = (struct lysp_qname *)&tctx->tpdf->dflt;
1963 }
1964 if (dummyloops && (!units || *units) && dflt && *dflt) {
1965 basetype = ((struct type_context *)tpdf_chain.objs[tpdf_chain.count - 1])->tpdf->type.compiled->basetype;
1966 break;
1967 }
1968
Michal Vasko080064b2021-08-31 15:20:44 +02001969 if (tctx->tpdf->type.compiled && (tctx->tpdf->type.compiled->refcount == 1)) {
Radek Krejci720d2612021-03-03 19:44:22 +01001970 /* context recompilation - everything was freed previously (the only reference is from the parsed type itself)
1971 * and we need now recompile the type again in the updated context. */
1972 lysc_type_free(ctx->ctx, tctx->tpdf->type.compiled);
1973 ((struct lysp_tpdf *)tctx->tpdf)->type.compiled = NULL;
1974 }
1975
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001976 if (tctx->tpdf->type.compiled) {
1977 /* it is not necessary to continue, the rest of the chain was already compiled,
1978 * but we still may need to inherit default and units values, so start dummy loops */
1979 basetype = tctx->tpdf->type.compiled->basetype;
1980 ret = ly_set_add(&tpdf_chain, tctx, 1, NULL);
1981 LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
1982
1983 if ((units && !*units) || (dflt && !*dflt)) {
1984 dummyloops = 1;
1985 goto preparenext;
1986 } else {
1987 tctx = NULL;
1988 break;
1989 }
1990 }
1991
1992 /* circular typedef reference detection */
1993 for (uint32_t u = 0; u < tpdf_chain.count; u++) {
1994 /* local part */
1995 tctx_iter = (struct type_context *)tpdf_chain.objs[u];
Michal Vaskoa99b3572021-02-01 11:54:58 +01001996 if (tctx_iter->tpdf == tctx->tpdf) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001997 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001998 "Invalid \"%s\" type reference - circular chain of types detected.", tctx->tpdf->name);
1999 free(tctx);
2000 ret = LY_EVALID;
2001 goto cleanup;
2002 }
2003 }
2004 for (uint32_t u = 0; u < ctx->tpdf_chain.count; u++) {
2005 /* global part for unions corner case */
2006 tctx_iter = (struct type_context *)ctx->tpdf_chain.objs[u];
Michal Vaskoa99b3572021-02-01 11:54:58 +01002007 if (tctx_iter->tpdf == tctx->tpdf) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002008 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002009 "Invalid \"%s\" type reference - circular chain of types detected.", tctx->tpdf->name);
2010 free(tctx);
2011 ret = LY_EVALID;
2012 goto cleanup;
2013 }
2014 }
2015
2016 /* store information for the following processing */
2017 ret = ly_set_add(&tpdf_chain, tctx, 1, NULL);
2018 LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
2019
2020preparenext:
2021 /* prepare next loop */
2022 tctx_prev = tctx;
2023 tctx = calloc(1, sizeof *tctx);
2024 LY_CHECK_ERR_RET(!tctx, LOGMEM(ctx->ctx), LY_EMEM);
2025 }
2026 free(tctx);
2027
2028 /* allocate type according to the basetype */
2029 switch (basetype) {
2030 case LY_TYPE_BINARY:
2031 *type = calloc(1, sizeof(struct lysc_type_bin));
2032 break;
2033 case LY_TYPE_BITS:
2034 *type = calloc(1, sizeof(struct lysc_type_bits));
2035 break;
2036 case LY_TYPE_BOOL:
2037 case LY_TYPE_EMPTY:
2038 *type = calloc(1, sizeof(struct lysc_type));
2039 break;
2040 case LY_TYPE_DEC64:
2041 *type = calloc(1, sizeof(struct lysc_type_dec));
2042 break;
2043 case LY_TYPE_ENUM:
2044 *type = calloc(1, sizeof(struct lysc_type_enum));
2045 break;
2046 case LY_TYPE_IDENT:
2047 *type = calloc(1, sizeof(struct lysc_type_identityref));
2048 break;
2049 case LY_TYPE_INST:
2050 *type = calloc(1, sizeof(struct lysc_type_instanceid));
2051 break;
2052 case LY_TYPE_LEAFREF:
2053 *type = calloc(1, sizeof(struct lysc_type_leafref));
2054 break;
2055 case LY_TYPE_STRING:
2056 *type = calloc(1, sizeof(struct lysc_type_str));
2057 break;
2058 case LY_TYPE_UNION:
2059 *type = calloc(1, sizeof(struct lysc_type_union));
2060 break;
2061 case LY_TYPE_INT8:
2062 case LY_TYPE_UINT8:
2063 case LY_TYPE_INT16:
2064 case LY_TYPE_UINT16:
2065 case LY_TYPE_INT32:
2066 case LY_TYPE_UINT32:
2067 case LY_TYPE_INT64:
2068 case LY_TYPE_UINT64:
2069 *type = calloc(1, sizeof(struct lysc_type_num));
2070 break;
2071 case LY_TYPE_UNKNOWN:
Radek Krejci2efc45b2020-12-22 16:25:44 +01002072 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002073 "Referenced type \"%s\" not found.", tctx_prev ? tctx_prev->tpdf->type.name : type_p->name);
2074 ret = LY_EVALID;
2075 goto cleanup;
2076 }
2077 LY_CHECK_ERR_GOTO(!(*type), LOGMEM(ctx->ctx), cleanup);
2078 if (~type_substmt_map[basetype] & type_p->flags) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002079 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Invalid type restrictions for %s type.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002080 ly_data_type2str[basetype]);
2081 free(*type);
2082 (*type) = NULL;
2083 ret = LY_EVALID;
2084 goto cleanup;
2085 }
2086
2087 /* get restrictions from the referred typedefs */
2088 for (uint32_t u = tpdf_chain.count - 1; u + 1 > 0; --u) {
2089 tctx = (struct type_context *)tpdf_chain.objs[u];
2090
2091 /* remember the typedef context for circular check */
2092 ret = ly_set_add(&ctx->tpdf_chain, tctx, 1, NULL);
2093 LY_CHECK_GOTO(ret, cleanup);
2094
2095 if (tctx->tpdf->type.compiled) {
Michal Vasko388a6632021-08-06 11:27:43 +02002096 /* already compiled */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002097 base = tctx->tpdf->type.compiled;
2098 continue;
Michal Vasko388a6632021-08-06 11:27:43 +02002099 }
2100
Michal Vaskoaac267d2022-01-17 13:34:48 +01002101 /* try to find loaded user type plugins */
2102 plugin = lyplg_find(LYPLG_TYPE, tctx->tpdf->type.pmod->mod->name, tctx->tpdf->type.pmod->mod->revision,
2103 tctx->tpdf->name);
2104 if (!plugin) {
2105 /* use the internal built-in type implementation */
2106 plugin = lyplg_find(LYPLG_TYPE, "", NULL, ly_data_type2str[basetype]);
2107 }
Michal Vasko388a6632021-08-06 11:27:43 +02002108 assert(plugin);
2109
2110 if ((basetype != LY_TYPE_LEAFREF) && (u != tpdf_chain.count - 1) && !(tctx->tpdf->type.flags) &&
2111 (plugin == base->plugin)) {
2112 /* no change, reuse the compiled base */
2113 ((struct lysp_tpdf *)tctx->tpdf)->type.compiled = base;
Michal Vasko04338d92021-09-01 07:58:14 +02002114 LY_ATOMIC_INC_BARRIER(base->refcount);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002115 continue;
2116 }
2117
Michal Vasko04338d92021-09-01 07:58:14 +02002118 LY_ATOMIC_INC_BARRIER((*type)->refcount);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002119 if (~type_substmt_map[basetype] & tctx->tpdf->type.flags) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002120 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Invalid type \"%s\" restriction(s) for %s type.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002121 tctx->tpdf->name, ly_data_type2str[basetype]);
2122 ret = LY_EVALID;
2123 goto cleanup;
2124 } else if ((basetype == LY_TYPE_EMPTY) && tctx->tpdf->dflt.str) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002125 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002126 "Invalid type \"%s\" - \"empty\" type must not have a default value (%s).",
2127 tctx->tpdf->name, tctx->tpdf->dflt.str);
2128 ret = LY_EVALID;
2129 goto cleanup;
2130 }
2131
2132 (*type)->basetype = basetype;
Michal Vasko388a6632021-08-06 11:27:43 +02002133 (*type)->plugin = plugin;
2134
Radek Krejci4f2e3e52021-03-30 14:20:28 +02002135 /* collect extensions */
2136 COMPILE_EXTS_GOTO(ctx, tctx->tpdf->type.exts, (*type)->exts, (*type), ret, cleanup);
Michal Vasko388a6632021-08-06 11:27:43 +02002137
2138 /* compile the new typedef */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002139 prev_type = *type;
Michal Vaskoa99b3572021-02-01 11:54:58 +01002140 ret = lys_compile_type_(ctx, tctx->node, tctx->tpdf->flags, tctx->tpdf->name,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002141 &((struct lysp_tpdf *)tctx->tpdf)->type, basetype, tctx->tpdf->name, base, type);
2142 LY_CHECK_GOTO(ret, cleanup);
2143 base = prev_type;
2144 }
2145 /* remove the processed typedef contexts from the stack for circular check */
2146 ctx->tpdf_chain.count = ctx->tpdf_chain.count - tpdf_chain.count;
2147
2148 /* process the type definition in leaf */
2149 if (type_p->flags || !base || (basetype == LY_TYPE_LEAFREF)) {
2150 /* get restrictions from the node itself */
2151 (*type)->basetype = basetype;
Radek Krejcibf940f92021-03-24 21:04:13 +01002152 (*type)->plugin = base ? base->plugin : lyplg_find(LYPLG_TYPE, "", NULL, ly_data_type2str[basetype]);
Michal Vasko04338d92021-09-01 07:58:14 +02002153 LY_ATOMIC_INC_BARRIER((*type)->refcount);
Michal Vaskoa99b3572021-02-01 11:54:58 +01002154 ret = lys_compile_type_(ctx, context_pnode, context_flags, context_name, type_p, basetype, NULL, base, type);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002155 LY_CHECK_GOTO(ret, cleanup);
2156 } else if ((basetype != LY_TYPE_BOOL) && (basetype != LY_TYPE_EMPTY)) {
2157 /* no specific restriction in leaf's type definition, copy from the base */
2158 free(*type);
2159 (*type) = base;
Michal Vasko04338d92021-09-01 07:58:14 +02002160 LY_ATOMIC_INC_BARRIER((*type)->refcount);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002161 }
2162
Radek Krejciab430862021-03-02 20:13:40 +01002163 COMPILE_EXTS_GOTO(ctx, type_p->exts, (*type)->exts, (*type), ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002164
2165cleanup:
2166 ly_set_erase(&tpdf_chain, free);
2167 return ret;
2168}
2169
2170/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002171 * @brief Check uniqness of the node/action/notification name.
2172 *
2173 * Data nodes, actions/RPCs and Notifications are stored separately (in distinguish lists) in the schema
2174 * structures, but they share the namespace so we need to check their name collisions.
2175 *
2176 * @param[in] ctx Compile context.
2177 * @param[in] parent Parent of the nodes to check, can be NULL.
2178 * @param[in] name Name of the item to find in the given lists.
2179 * @param[in] exclude Node that was just added that should be excluded from the name checking.
2180 * @return LY_SUCCESS in case of unique name, LY_EEXIST otherwise.
2181 */
2182static LY_ERR
2183lys_compile_node_uniqness(struct lysc_ctx *ctx, const struct lysc_node *parent, const char *name,
2184 const struct lysc_node *exclude)
2185{
2186 const struct lysc_node *iter, *iter2;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002187 const struct lysc_node_action *actions;
2188 const struct lysc_node_notif *notifs;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002189 uint32_t getnext_flags;
Radek Krejci078e4342021-02-12 18:17:26 +01002190 struct ly_set parent_choices = {0};
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002191
2192#define CHECK_NODE(iter, exclude, name) (iter != (void *)exclude && (iter)->module == exclude->module && !strcmp(name, (iter)->name))
2193
2194 if (exclude->nodetype == LYS_CASE) {
2195 /* check restricted only to all the cases */
2196 assert(parent->nodetype == LYS_CHOICE);
Michal Vasko544e58a2021-01-28 14:33:41 +01002197 LY_LIST_FOR(lysc_node_child(parent), iter) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002198 if (CHECK_NODE(iter, exclude, name)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002199 LOGVAL(ctx->ctx, LY_VCODE_DUPIDENT, name, "case");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002200 return LY_EEXIST;
2201 }
2202 }
2203
2204 return LY_SUCCESS;
2205 }
2206
2207 /* no reason for our parent to be choice anymore */
2208 assert(!parent || (parent->nodetype != LYS_CHOICE));
2209
2210 if (parent && (parent->nodetype == LYS_CASE)) {
2211 /* move to the first data definition parent */
Radek Krejci078e4342021-02-12 18:17:26 +01002212
2213 /* but remember the choice nodes on the parents path to avoid believe they collide with our node */
2214 iter = lysc_data_parent(parent);
2215 do {
2216 parent = parent->parent;
2217 if (parent && (parent->nodetype == LYS_CHOICE)) {
2218 ly_set_add(&parent_choices, (void *)parent, 1, NULL);
2219 }
2220 } while (parent != iter);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002221 }
2222
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01002223 getnext_flags = LYS_GETNEXT_WITHCHOICE;
Michal Vaskob322b7d2021-01-29 17:22:24 +01002224 if (parent && (parent->nodetype & (LYS_RPC | LYS_ACTION))) {
2225 /* move to the inout to avoid traversing a not-filled-yet (the other) node */
2226 if (exclude->flags & LYS_IS_OUTPUT) {
2227 getnext_flags |= LYS_GETNEXT_OUTPUT;
2228 parent = lysc_node_child(parent)->next;
2229 } else {
2230 parent = lysc_node_child(parent);
2231 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002232 }
2233
2234 iter = NULL;
Radek Krejci5fa32a32021-02-08 18:12:38 +01002235 if (!parent && ctx->ext) {
2236 while ((iter = lys_getnext_ext(iter, parent, ctx->ext, getnext_flags))) {
2237 if (!ly_set_contains(&parent_choices, (void *)iter, NULL) && CHECK_NODE(iter, exclude, name)) {
2238 goto error;
2239 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002240
Radek Krejci5fa32a32021-02-08 18:12:38 +01002241 /* we must compare with both the choice and all its nested data-definiition nodes (but not recursively) */
2242 if (iter->nodetype == LYS_CHOICE) {
2243 iter2 = NULL;
2244 while ((iter2 = lys_getnext_ext(iter2, iter, NULL, 0))) {
2245 if (CHECK_NODE(iter2, exclude, name)) {
2246 goto error;
2247 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002248 }
2249 }
2250 }
Radek Krejci5fa32a32021-02-08 18:12:38 +01002251 } else {
2252 while ((iter = lys_getnext(iter, parent, ctx->cur_mod->compiled, getnext_flags))) {
2253 if (!ly_set_contains(&parent_choices, (void *)iter, NULL) && CHECK_NODE(iter, exclude, name)) {
2254 goto error;
2255 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002256
Radek Krejci5fa32a32021-02-08 18:12:38 +01002257 /* we must compare with both the choice and all its nested data-definiition nodes (but not recursively) */
2258 if (iter->nodetype == LYS_CHOICE) {
2259 iter2 = NULL;
2260 while ((iter2 = lys_getnext(iter2, iter, NULL, 0))) {
2261 if (CHECK_NODE(iter2, exclude, name)) {
2262 goto error;
2263 }
2264 }
2265 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002266 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002267
Radek Krejci5fa32a32021-02-08 18:12:38 +01002268 actions = parent ? lysc_node_actions(parent) : ctx->cur_mod->compiled->rpcs;
2269 LY_LIST_FOR((struct lysc_node *)actions, iter) {
2270 if (CHECK_NODE(iter, exclude, name)) {
2271 goto error;
2272 }
2273 }
2274
2275 notifs = parent ? lysc_node_notifs(parent) : ctx->cur_mod->compiled->notifs;
2276 LY_LIST_FOR((struct lysc_node *)notifs, iter) {
2277 if (CHECK_NODE(iter, exclude, name)) {
2278 goto error;
2279 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002280 }
2281 }
Radek Krejci078e4342021-02-12 18:17:26 +01002282 ly_set_erase(&parent_choices, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002283 return LY_SUCCESS;
2284
2285error:
Radek Krejci078e4342021-02-12 18:17:26 +01002286 ly_set_erase(&parent_choices, NULL);
Radek Krejci2efc45b2020-12-22 16:25:44 +01002287 LOGVAL(ctx->ctx, LY_VCODE_DUPIDENT, name, "data definition/RPC/action/notification");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002288 return LY_EEXIST;
2289
2290#undef CHECK_NODE
2291}
2292
Radek Krejci2a9fc652021-01-22 17:44:34 +01002293/**
2294 * @brief Connect the node into the siblings list and check its name uniqueness. Also,
2295 * keep specific order of augments targetting the same node.
2296 *
2297 * @param[in] ctx Compile context
2298 * @param[in] parent Parent node holding the children list, in case of node from a choice's case,
2299 * the choice itself is expected instead of a specific case node.
2300 * @param[in] node Schema node to connect into the list.
2301 * @return LY_ERR value - LY_SUCCESS or LY_EEXIST.
2302 * In case of LY_EEXIST, the node is actually kept in the tree, so do not free it directly.
2303 */
2304static LY_ERR
2305lys_compile_node_connect(struct lysc_ctx *ctx, struct lysc_node *parent, struct lysc_node *node)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002306{
Radek Krejci2a9fc652021-01-22 17:44:34 +01002307 struct lysc_node **children, *anchor = NULL;
2308 int insert_after = 0;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002309
Radek Krejci2a9fc652021-01-22 17:44:34 +01002310 node->parent = parent;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002311
Radek Krejci2a9fc652021-01-22 17:44:34 +01002312 if (parent) {
Michal Vasko544e58a2021-01-28 14:33:41 +01002313 if (node->nodetype == LYS_INPUT) {
2314 assert(parent->nodetype & (LYS_ACTION | LYS_RPC));
2315 /* input node is part of the action but link it with output */
2316 node->next = &((struct lysc_node_action *)parent)->output.node;
2317 node->prev = node->next;
2318 return LY_SUCCESS;
2319 } else if (node->nodetype == LYS_OUTPUT) {
2320 /* output node is part of the action but link it with input */
2321 node->next = NULL;
2322 node->prev = &((struct lysc_node_action *)parent)->input.node;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002323 return LY_SUCCESS;
2324 } else if (node->nodetype == LYS_ACTION) {
2325 children = (struct lysc_node **)lysc_node_actions_p(parent);
2326 } else if (node->nodetype == LYS_NOTIF) {
2327 children = (struct lysc_node **)lysc_node_notifs_p(parent);
2328 } else {
Michal Vasko544e58a2021-01-28 14:33:41 +01002329 children = lysc_node_child_p(parent);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002330 }
2331 assert(children);
2332
2333 if (!(*children)) {
2334 /* first child */
2335 *children = node;
2336 } else if (node->flags & LYS_KEY) {
2337 /* special handling of adding keys */
2338 assert(node->module == parent->module);
2339 anchor = *children;
2340 if (anchor->flags & LYS_KEY) {
2341 while ((anchor->flags & LYS_KEY) && anchor->next) {
2342 anchor = anchor->next;
2343 }
2344 /* insert after the last key */
2345 insert_after = 1;
2346 } /* else insert before anchor (at the beginning) */
2347 } else if ((*children)->prev->module == node->module) {
2348 /* last child is from the same module, keep the order and insert at the end */
2349 anchor = (*children)->prev;
2350 insert_after = 1;
2351 } else if (parent->module == node->module) {
2352 /* adding module child after some augments were connected */
2353 for (anchor = *children; anchor->module == node->module; anchor = anchor->next) {}
2354 } else {
2355 /* some augments are already connected and we are connecting new ones,
2356 * keep module name order and insert the node into the children list */
2357 anchor = *children;
2358 do {
2359 anchor = anchor->prev;
2360
2361 /* check that we have not found the last augment node from our module or
2362 * the first augment node from a "smaller" module or
2363 * the first node from a local module */
2364 if ((anchor->module == node->module) || (strcmp(anchor->module->name, node->module->name) < 0) ||
2365 (anchor->module == parent->module)) {
2366 /* insert after */
2367 insert_after = 1;
2368 break;
2369 }
2370
2371 /* we have traversed all the nodes, insert before anchor (as the first node) */
2372 } while (anchor->prev->next);
2373 }
2374
2375 /* insert */
2376 if (anchor) {
2377 if (insert_after) {
2378 node->next = anchor->next;
2379 node->prev = anchor;
2380 anchor->next = node;
2381 if (node->next) {
2382 /* middle node */
2383 node->next->prev = node;
2384 } else {
2385 /* last node */
2386 (*children)->prev = node;
2387 }
2388 } else {
2389 node->next = anchor;
2390 node->prev = anchor->prev;
2391 anchor->prev = node;
2392 if (anchor == *children) {
2393 /* first node */
2394 *children = node;
2395 } else {
2396 /* middle node */
2397 node->prev->next = node;
2398 }
2399 }
2400 }
2401
2402 /* check the name uniqueness (even for an only child, it may be in case) */
2403 if (lys_compile_node_uniqness(ctx, parent, node->name, node)) {
2404 return LY_EEXIST;
2405 }
2406 } else {
2407 /* top-level element */
2408 struct lysc_node **list;
2409
Radek Krejci6b88a462021-02-17 12:39:34 +01002410 if (ctx->ext) {
Michal Vaskob670ff52022-02-15 10:46:08 +01002411 /* container matches all data nodes */
2412 lysc_ext_substmt(ctx->ext, LY_STMT_CONTAINER, (void **)&list, NULL);
Radek Krejci6b88a462021-02-17 12:39:34 +01002413 } else if (node->nodetype == LYS_RPC) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01002414 list = (struct lysc_node **)&ctx->cur_mod->compiled->rpcs;
2415 } else if (node->nodetype == LYS_NOTIF) {
2416 list = (struct lysc_node **)&ctx->cur_mod->compiled->notifs;
2417 } else {
2418 list = &ctx->cur_mod->compiled->data;
2419 }
2420 if (!(*list)) {
2421 *list = node;
2422 } else {
2423 /* insert at the end of the module's top-level nodes list */
2424 (*list)->prev->next = node;
2425 node->prev = (*list)->prev;
2426 (*list)->prev = node;
2427 }
2428
2429 /* check the name uniqueness on top-level */
2430 if (lys_compile_node_uniqness(ctx, NULL, node->name, node)) {
2431 return LY_EEXIST;
2432 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002433 }
2434
Radek Krejci2a9fc652021-01-22 17:44:34 +01002435 return LY_SUCCESS;
2436}
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002437
Radek Krejci2a9fc652021-01-22 17:44:34 +01002438/**
Michal Vaskod1e53b92021-01-28 13:11:06 +01002439 * @brief Set config and operation flags for a node.
Radek Krejci2a9fc652021-01-22 17:44:34 +01002440 *
2441 * @param[in] ctx Compile context.
Michal Vaskod1e53b92021-01-28 13:11:06 +01002442 * @param[in] node Compiled node flags to set.
Radek Krejci2a9fc652021-01-22 17:44:34 +01002443 * @return LY_ERR value.
2444 */
2445static LY_ERR
Radek Krejci91531e12021-02-08 19:57:54 +01002446lys_compile_config(struct lysc_ctx *ctx, struct lysc_node *node)
Radek Krejci2a9fc652021-01-22 17:44:34 +01002447{
2448 /* case never has any explicit config */
2449 assert((node->nodetype != LYS_CASE) || !(node->flags & LYS_CONFIG_MASK));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002450
Michal Vasko7c565922021-06-10 14:58:27 +02002451 if (ctx->compile_opts & LYS_COMPILE_NO_CONFIG) {
Radek Krejci91531e12021-02-08 19:57:54 +01002452 /* ignore config statements inside Notification/RPC/action/... data */
Radek Krejci2a9fc652021-01-22 17:44:34 +01002453 node->flags &= ~LYS_CONFIG_MASK;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002454 } else if (!(node->flags & LYS_CONFIG_MASK)) {
2455 /* config not explicitly set, inherit it from parent */
Michal Vasko7a88a4e2022-01-24 08:45:44 +01002456 assert(!node->parent || (node->parent->flags & LYS_CONFIG_MASK) || (node->parent->nodetype & LYS_AUGMENT));
2457 if (node->parent && (node->parent->flags & LYS_CONFIG_MASK)) {
Radek Krejci91531e12021-02-08 19:57:54 +01002458 node->flags |= node->parent->flags & LYS_CONFIG_MASK;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002459 } else {
2460 /* default is config true */
2461 node->flags |= LYS_CONFIG_W;
2462 }
2463 } else {
2464 /* config set explicitly */
2465 node->flags |= LYS_SET_CONFIG;
2466 }
2467
Radek Krejci91531e12021-02-08 19:57:54 +01002468 if (node->parent && (node->parent->flags & LYS_CONFIG_R) && (node->flags & LYS_CONFIG_W)) {
Michal Vaskod1e53b92021-01-28 13:11:06 +01002469 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Configuration node cannot be child of any state data node.");
Radek Krejci2a9fc652021-01-22 17:44:34 +01002470 return LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002471 }
2472
Radek Krejci2a9fc652021-01-22 17:44:34 +01002473 return LY_SUCCESS;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002474}
2475
Radek Krejci91531e12021-02-08 19:57:54 +01002476/**
2477 * @brief Set various flags of the compiled nodes
2478 *
2479 * @param[in] ctx Compile context.
2480 * @param[in] node Compiled node where the flags will be set.
2481 * @param[in] uses_status If the node is being placed instead of uses, here we have the uses's status value (as node's flags).
2482 * Zero means no uses, non-zero value with no status bit set mean the default status.
2483 */
2484static LY_ERR
2485lys_compile_node_flags(struct lysc_ctx *ctx, struct lysc_node *node, uint16_t uses_status)
2486{
2487 /* inherit config flags */
2488 LY_CHECK_RET(lys_compile_config(ctx, node));
2489
2490 /* status - it is not inherited by specification, but it does not make sense to have
2491 * current in deprecated or deprecated in obsolete, so we do print warning and inherit status */
Michal Vaskodfd254d2021-06-24 09:24:59 +02002492 LY_CHECK_RET(lys_compile_status(ctx, &node->flags, node->name, uses_status ? uses_status :
2493 (node->parent ? node->parent->flags : 0), uses_status ? "<uses>" : (node->parent ? node->parent->name : NULL),
2494 !uses_status));
Radek Krejci91531e12021-02-08 19:57:54 +01002495
2496 /* other flags */
Michal Vasko7c565922021-06-10 14:58:27 +02002497 if ((ctx->compile_opts & LYS_IS_INPUT) && (node->nodetype != LYS_INPUT)) {
Radek Krejci91531e12021-02-08 19:57:54 +01002498 node->flags |= LYS_IS_INPUT;
Michal Vasko7c565922021-06-10 14:58:27 +02002499 } else if ((ctx->compile_opts & LYS_IS_OUTPUT) && (node->nodetype != LYS_OUTPUT)) {
Radek Krejci91531e12021-02-08 19:57:54 +01002500 node->flags |= LYS_IS_OUTPUT;
Michal Vasko7c565922021-06-10 14:58:27 +02002501 } else if ((ctx->compile_opts & LYS_IS_NOTIF) && (node->nodetype != LYS_NOTIF)) {
Radek Krejci91531e12021-02-08 19:57:54 +01002502 node->flags |= LYS_IS_NOTIF;
2503 }
2504
2505 return LY_SUCCESS;
2506}
2507
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002508LY_ERR
Radek Krejci2a9fc652021-01-22 17:44:34 +01002509lys_compile_node_(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *parent, uint16_t uses_status,
2510 LY_ERR (*node_compile_spec)(struct lysc_ctx *, struct lysp_node *, struct lysc_node *),
2511 struct lysc_node *node, struct ly_set *child_set)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002512{
2513 LY_ERR ret = LY_SUCCESS;
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01002514 ly_bool not_supported, enabled;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002515 struct lysp_node *dev_pnode = NULL;
Radek Krejci9a3823e2021-01-27 20:26:46 +01002516 struct lysp_when *pwhen = NULL;
Michal Vaskoe02e7402021-07-23 08:29:28 +02002517 uint32_t prev_opts = ctx->compile_opts;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002518
Radek Krejci2a9fc652021-01-22 17:44:34 +01002519 node->nodetype = pnode->nodetype;
2520 node->module = ctx->cur_mod;
Radek Krejci91531e12021-02-08 19:57:54 +01002521 node->parent = parent;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002522 node->prev = node;
aPiecek9922ea92021-04-12 07:59:20 +02002523 node->priv = ctx->ctx->flags & LY_CTX_SET_PRIV_PARSED ? pnode : NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002524
Radek Krejci2a9fc652021-01-22 17:44:34 +01002525 /* compile any deviations for this node */
2526 LY_CHECK_GOTO(ret = lys_compile_node_deviations_refines(ctx, pnode, parent, &dev_pnode, &not_supported), error);
Michal Vaskoe02e7402021-07-23 08:29:28 +02002527 if (not_supported && !(ctx->compile_opts & (LYS_COMPILE_NO_DISABLED | LYS_COMPILE_DISABLED | LYS_COMPILE_GROUPING))) {
2528 /* if not supported, keep it just like disabled nodes by if-feature */
2529 ly_set_add(&ctx->unres->disabled, node, 1, NULL);
2530 ctx->compile_opts |= LYS_COMPILE_DISABLED;
2531 }
2532 if (dev_pnode) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01002533 pnode = dev_pnode;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002534 }
2535
Radek Krejci2a9fc652021-01-22 17:44:34 +01002536 node->flags = pnode->flags & LYS_FLAGS_COMPILED_MASK;
Michal Vaskodfd254d2021-06-24 09:24:59 +02002537 DUP_STRING_GOTO(ctx->ctx, pnode->name, node->name, ret, error);
2538 DUP_STRING_GOTO(ctx->ctx, pnode->dsc, node->dsc, ret, error);
2539 DUP_STRING_GOTO(ctx->ctx, pnode->ref, node->ref, ret, error);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002540
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01002541 /* if-features */
Radek Krejci2a9fc652021-01-22 17:44:34 +01002542 LY_CHECK_GOTO(ret = lys_eval_iffeatures(ctx->ctx, pnode->iffeatures, &enabled), error);
Michal Vasko7c565922021-06-10 14:58:27 +02002543 if (!enabled && !(ctx->compile_opts & (LYS_COMPILE_NO_DISABLED | LYS_COMPILE_DISABLED | LYS_COMPILE_GROUPING))) {
Michal Vasko30ab8e72021-04-19 12:47:52 +02002544 ly_set_add(&ctx->unres->disabled, node, 1, NULL);
Michal Vasko7c565922021-06-10 14:58:27 +02002545 ctx->compile_opts |= LYS_COMPILE_DISABLED;
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01002546 }
2547
Radek Krejci91531e12021-02-08 19:57:54 +01002548 /* config, status and other flags */
2549 ret = lys_compile_node_flags(ctx, node, uses_status);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002550 LY_CHECK_GOTO(ret, error);
2551
2552 /* list ordering */
2553 if (node->nodetype & (LYS_LIST | LYS_LEAFLIST)) {
Michal Vaskod1e53b92021-01-28 13:11:06 +01002554 if ((node->flags & (LYS_CONFIG_R | LYS_IS_OUTPUT | LYS_IS_NOTIF)) && (node->flags & LYS_ORDBY_MASK)) {
Michal Vasko5676f4e2021-04-06 17:14:45 +02002555 LOGVRB("The ordered-by statement is ignored in lists representing %s (%s).",
Radek Krejci91531e12021-02-08 19:57:54 +01002556 (node->flags & LYS_IS_OUTPUT) ? "RPC/action output parameters" :
Michal Vasko7c565922021-06-10 14:58:27 +02002557 (ctx->compile_opts & LYS_IS_NOTIF) ? "notification content" : "state data", ctx->path);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002558 node->flags &= ~LYS_ORDBY_MASK;
2559 node->flags |= LYS_ORDBY_SYSTEM;
2560 } else if (!(node->flags & LYS_ORDBY_MASK)) {
2561 /* default ordering is system */
2562 node->flags |= LYS_ORDBY_SYSTEM;
2563 }
2564 }
2565
Radek Krejci2a9fc652021-01-22 17:44:34 +01002566 /* insert into parent's children/compiled module (we can no longer free the node separately on error) */
2567 LY_CHECK_GOTO(ret = lys_compile_node_connect(ctx, parent, node), cleanup);
2568
Radek Krejci9a3823e2021-01-27 20:26:46 +01002569 if ((pwhen = lysp_node_when(pnode))) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01002570 /* compile when */
Michal Vaskodfd254d2021-06-24 09:24:59 +02002571 ret = lys_compile_when(ctx, pwhen, pnode->flags, node, lysc_data_node(node), node, NULL);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002572 LY_CHECK_GOTO(ret, cleanup);
2573 }
2574
2575 /* connect any augments */
2576 LY_CHECK_GOTO(ret = lys_compile_node_augments(ctx, node), cleanup);
2577
2578 /* nodetype-specific part */
2579 LY_CHECK_GOTO(ret = node_compile_spec(ctx, pnode, node), cleanup);
2580
2581 /* final compilation tasks that require the node to be connected */
Radek Krejciab430862021-03-02 20:13:40 +01002582 COMPILE_EXTS_GOTO(ctx, pnode->exts, node->exts, node, ret, cleanup);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002583 if (node->flags & LYS_MAND_TRUE) {
2584 /* inherit LYS_MAND_TRUE in parent containers */
2585 lys_compile_mandatory_parents(parent, 1);
2586 }
2587
2588 if (child_set) {
2589 /* add the new node into set */
2590 LY_CHECK_GOTO(ret = ly_set_add(child_set, node, 1, NULL), cleanup);
2591 }
2592
2593 goto cleanup;
2594
2595error:
2596 lysc_node_free(ctx->ctx, node, 0);
2597cleanup:
2598 if (ret && dev_pnode) {
2599 LOGVAL(ctx->ctx, LYVE_OTHER, "Compilation of a deviated and/or refined node failed.");
2600 }
Michal Vaskoe02e7402021-07-23 08:29:28 +02002601 ctx->compile_opts = prev_opts;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002602 lysp_dev_node_free(ctx->ctx, dev_pnode);
2603 return ret;
2604}
2605
2606/**
2607 * @brief Compile parsed action's input/output node information.
2608 * @param[in] ctx Compile context
2609 * @param[in] pnode Parsed inout node.
2610 * @param[in,out] node Pre-prepared structure from lys_compile_node_() with filled generic node information
2611 * is enriched with the inout-specific information.
2612 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
2613 */
2614LY_ERR
2615lys_compile_node_action_inout(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
2616{
2617 LY_ERR ret = LY_SUCCESS;
2618 struct lysp_node *child_p;
Michal Vasko7c565922021-06-10 14:58:27 +02002619 uint32_t prev_options = ctx->compile_opts;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002620
2621 struct lysp_node_action_inout *inout_p = (struct lysp_node_action_inout *)pnode;
2622 struct lysc_node_action_inout *inout = (struct lysc_node_action_inout *)node;
2623
2624 COMPILE_ARRAY_GOTO(ctx, inout_p->musts, inout->musts, lys_compile_must, ret, done);
Radek Krejciab430862021-03-02 20:13:40 +01002625 COMPILE_EXTS_GOTO(ctx, inout_p->exts, inout->exts, inout, ret, done);
Michal Vasko7c565922021-06-10 14:58:27 +02002626 ctx->compile_opts |= (inout_p->nodetype == LYS_INPUT) ? LYS_COMPILE_RPC_INPUT : LYS_COMPILE_RPC_OUTPUT;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002627
Radek Krejci01180ac2021-01-27 08:48:22 +01002628 LY_LIST_FOR(inout_p->child, child_p) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01002629 LY_CHECK_GOTO(ret = lys_compile_node(ctx, child_p, node, 0, NULL), done);
2630 }
2631
Michal Vasko7c565922021-06-10 14:58:27 +02002632 ctx->compile_opts = prev_options;
Radek Krejci2a9fc652021-01-22 17:44:34 +01002633
2634done:
2635 return ret;
2636}
2637
2638/**
2639 * @brief Compile parsed action node information.
2640 * @param[in] ctx Compile context
2641 * @param[in] pnode Parsed action node.
2642 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
2643 * is enriched with the action-specific information.
2644 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
2645 */
2646LY_ERR
2647lys_compile_node_action(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
2648{
2649 LY_ERR ret;
2650 struct lysp_node_action *action_p = (struct lysp_node_action *)pnode;
2651 struct lysc_node_action *action = (struct lysc_node_action *)node;
2652 struct lysp_node_action_inout *input, implicit_input = {
2653 .nodetype = LYS_INPUT,
2654 .name = "input",
2655 .parent = pnode,
2656 };
2657 struct lysp_node_action_inout *output, implicit_output = {
2658 .nodetype = LYS_OUTPUT,
2659 .name = "output",
2660 .parent = pnode,
2661 };
2662
Michal Vaskoe17ff5f2021-01-29 17:23:03 +01002663 /* input */
Radek Krejcia6016992021-03-03 10:13:41 +01002664 lysc_update_path(ctx, action->module, "input");
Radek Krejci2a9fc652021-01-22 17:44:34 +01002665 if (action_p->input.nodetype == LYS_UNKNOWN) {
2666 input = &implicit_input;
2667 } else {
2668 input = &action_p->input;
2669 }
Michal Vasko14ed9cd2021-01-28 14:16:25 +01002670 ret = lys_compile_node_(ctx, &input->node, &action->node, 0, lys_compile_node_action_inout, &action->input.node, NULL);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002671 lysc_update_path(ctx, NULL, NULL);
2672 LY_CHECK_GOTO(ret, done);
2673
Michal Vaskoc130e162021-10-19 11:30:00 +02002674 /* add must(s) to unres */
2675 ret = lysc_unres_must_add(ctx, &action->input.node, &input->node);
2676 LY_CHECK_GOTO(ret, done);
2677
Radek Krejci2a9fc652021-01-22 17:44:34 +01002678 /* output */
Radek Krejcia6016992021-03-03 10:13:41 +01002679 lysc_update_path(ctx, action->module, "output");
Michal Vasko9149efd2021-01-29 11:16:59 +01002680 if (action_p->output.nodetype == LYS_UNKNOWN) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01002681 output = &implicit_output;
2682 } else {
2683 output = &action_p->output;
2684 }
Michal Vasko14ed9cd2021-01-28 14:16:25 +01002685 ret = lys_compile_node_(ctx, &output->node, &action->node, 0, lys_compile_node_action_inout, &action->output.node, NULL);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002686 lysc_update_path(ctx, NULL, NULL);
2687 LY_CHECK_GOTO(ret, done);
2688
Michal Vaskoc130e162021-10-19 11:30:00 +02002689 /* add must(s) to unres */
2690 ret = lysc_unres_must_add(ctx, &action->output.node, &output->node);
2691 LY_CHECK_GOTO(ret, done);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002692
2693done:
2694 return ret;
2695}
2696
2697/**
2698 * @brief Compile parsed action node information.
2699 * @param[in] ctx Compile context
2700 * @param[in] pnode Parsed action node.
2701 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
2702 * is enriched with the action-specific information.
2703 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
2704 */
2705LY_ERR
2706lys_compile_node_notif(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
2707{
2708 LY_ERR ret = LY_SUCCESS;
2709 struct lysp_node_notif *notif_p = (struct lysp_node_notif *)pnode;
2710 struct lysc_node_notif *notif = (struct lysc_node_notif *)node;
2711 struct lysp_node *child_p;
2712
2713 COMPILE_ARRAY_GOTO(ctx, notif_p->musts, notif->musts, lys_compile_must, ret, done);
Michal Vaskoc130e162021-10-19 11:30:00 +02002714
2715 /* add must(s) to unres */
2716 ret = lysc_unres_must_add(ctx, node, pnode);
2717 LY_CHECK_GOTO(ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002718
Radek Krejci01180ac2021-01-27 08:48:22 +01002719 LY_LIST_FOR(notif_p->child, child_p) {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01002720 ret = lys_compile_node(ctx, child_p, node, 0, NULL);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002721 LY_CHECK_GOTO(ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002722 }
2723
Radek Krejci2a9fc652021-01-22 17:44:34 +01002724done:
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002725 return ret;
2726}
2727
2728/**
2729 * @brief Compile parsed container node information.
2730 * @param[in] ctx Compile context
2731 * @param[in] pnode Parsed container node.
2732 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
2733 * is enriched with the container-specific information.
2734 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
2735 */
2736static LY_ERR
2737lys_compile_node_container(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
2738{
2739 struct lysp_node_container *cont_p = (struct lysp_node_container *)pnode;
2740 struct lysc_node_container *cont = (struct lysc_node_container *)node;
2741 struct lysp_node *child_p;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002742 LY_ERR ret = LY_SUCCESS;
2743
2744 if (cont_p->presence) {
Michal Vaskoe16c7b72021-02-26 10:39:06 +01002745 /* presence container */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002746 cont->flags |= LYS_PRESENCE;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002747 }
2748
2749 /* more cases when the container has meaning but is kept NP for convenience:
2750 * - when condition
2751 * - direct child action/notification
2752 */
2753
2754 LY_LIST_FOR(cont_p->child, child_p) {
2755 ret = lys_compile_node(ctx, child_p, node, 0, NULL);
2756 LY_CHECK_GOTO(ret, done);
2757 }
2758
Michal Vasko5347e3a2020-11-03 17:14:57 +01002759 COMPILE_ARRAY_GOTO(ctx, cont_p->musts, cont->musts, lys_compile_must, ret, done);
Michal Vaskoc130e162021-10-19 11:30:00 +02002760
2761 /* add must(s) to unres */
2762 ret = lysc_unres_must_add(ctx, node, pnode);
2763 LY_CHECK_GOTO(ret, done);
Radek Krejci2a9fc652021-01-22 17:44:34 +01002764
2765 LY_LIST_FOR((struct lysp_node *)cont_p->actions, child_p) {
2766 ret = lys_compile_node(ctx, child_p, node, 0, NULL);
2767 LY_CHECK_GOTO(ret, done);
2768 }
2769 LY_LIST_FOR((struct lysp_node *)cont_p->notifs, child_p) {
2770 ret = lys_compile_node(ctx, child_p, node, 0, NULL);
2771 LY_CHECK_GOTO(ret, done);
2772 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002773
2774done:
2775 return ret;
2776}
2777
Michal Vasko72244882021-01-12 15:21:05 +01002778/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002779 * @brief Compile type in leaf/leaf-list node and do all the necessary checks.
2780 * @param[in] ctx Compile context.
2781 * @param[in] context_node Schema node where the type/typedef is placed to correctly find the base types.
2782 * @param[in] type_p Parsed type to compile.
2783 * @param[in,out] leaf Compiled leaf structure (possibly cast leaf-list) to provide node information and to store the compiled type information.
2784 * @return LY_ERR value.
2785 */
2786static LY_ERR
2787lys_compile_node_type(struct lysc_ctx *ctx, struct lysp_node *context_node, struct lysp_type *type_p,
2788 struct lysc_node_leaf *leaf)
2789{
2790 struct lysp_qname *dflt;
Michal Vaskof4fa90d2021-11-11 15:05:19 +01002791 struct lysc_type **t;
2792 LY_ARRAY_COUNT_TYPE u, count;
2793 ly_bool in_unres = 0;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002794
Michal Vaskoa99b3572021-02-01 11:54:58 +01002795 LY_CHECK_RET(lys_compile_type(ctx, context_node, leaf->flags, leaf->name, type_p, &leaf->type,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002796 leaf->units ? NULL : &leaf->units, &dflt));
2797
2798 /* store default value, if any */
2799 if (dflt && !(leaf->flags & LYS_SET_DFLT)) {
2800 LY_CHECK_RET(lysc_unres_leaf_dflt_add(ctx, leaf, dflt));
2801 }
2802
Michal Vaskoc130e162021-10-19 11:30:00 +02002803 /* store leafref(s) to be resolved */
2804 LY_CHECK_RET(lysc_unres_leafref_add(ctx, leaf, type_p->pmod));
2805
Michal Vaskof4fa90d2021-11-11 15:05:19 +01002806 /* type-specific checks */
2807 if (leaf->type->basetype == LY_TYPE_UNION) {
2808 t = ((struct lysc_type_union *)leaf->type)->types;
2809 count = LY_ARRAY_COUNT(t);
2810 } else {
2811 t = &leaf->type;
2812 count = 1;
2813 }
2814 for (u = 0; u < count; ++u) {
2815 if (t[u]->basetype == LY_TYPE_EMPTY) {
2816 if ((leaf->nodetype == LYS_LEAFLIST) && (ctx->pmod->version < LYS_VERSION_1_1)) {
2817 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Leaf-list of type \"empty\" is allowed only in YANG 1.1 modules.");
2818 return LY_EVALID;
2819 }
2820 } else if (!in_unres && ((t[u]->basetype == LY_TYPE_BITS) || (t[u]->basetype == LY_TYPE_ENUM))) {
2821 /* store in unres for all disabled bits/enums to be removed */
2822 LY_CHECK_RET(lysc_unres_bitenum_add(ctx, leaf));
2823 in_unres = 1;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002824 }
2825 }
2826
2827 return LY_SUCCESS;
2828}
2829
2830/**
2831 * @brief Compile parsed leaf node information.
2832 * @param[in] ctx Compile context
2833 * @param[in] pnode Parsed leaf node.
2834 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
2835 * is enriched with the leaf-specific information.
2836 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
2837 */
2838static LY_ERR
2839lys_compile_node_leaf(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
2840{
2841 struct lysp_node_leaf *leaf_p = (struct lysp_node_leaf *)pnode;
2842 struct lysc_node_leaf *leaf = (struct lysc_node_leaf *)node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002843 LY_ERR ret = LY_SUCCESS;
2844
Michal Vasko5347e3a2020-11-03 17:14:57 +01002845 COMPILE_ARRAY_GOTO(ctx, leaf_p->musts, leaf->musts, lys_compile_must, ret, done);
Michal Vaskoc130e162021-10-19 11:30:00 +02002846
2847 /* add must(s) to unres */
2848 ret = lysc_unres_must_add(ctx, node, pnode);
2849 LY_CHECK_GOTO(ret, done);
2850
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002851 if (leaf_p->units) {
2852 LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, leaf_p->units, 0, &leaf->units), done);
2853 leaf->flags |= LYS_SET_UNITS;
2854 }
2855
2856 /* compile type */
2857 ret = lys_compile_node_type(ctx, pnode, &leaf_p->type, leaf);
2858 LY_CHECK_GOTO(ret, done);
2859
2860 /* store/update default value */
2861 if (leaf_p->dflt.str) {
2862 LY_CHECK_RET(lysc_unres_leaf_dflt_add(ctx, leaf, &leaf_p->dflt));
2863 leaf->flags |= LYS_SET_DFLT;
2864 }
2865
2866 /* checks */
2867 if ((leaf->flags & LYS_SET_DFLT) && (leaf->flags & LYS_MAND_TRUE)) {
Michal Vasko6b8c5102021-10-19 11:29:32 +02002868 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Invalid mandatory leaf with a default value.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002869 return LY_EVALID;
2870 }
2871
2872done:
2873 return ret;
2874}
2875
2876/**
2877 * @brief Compile parsed leaf-list node information.
2878 * @param[in] ctx Compile context
2879 * @param[in] pnode Parsed leaf-list node.
2880 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
2881 * is enriched with the leaf-list-specific information.
2882 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
2883 */
2884static LY_ERR
2885lys_compile_node_leaflist(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
2886{
2887 struct lysp_node_leaflist *llist_p = (struct lysp_node_leaflist *)pnode;
2888 struct lysc_node_leaflist *llist = (struct lysc_node_leaflist *)node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002889 LY_ERR ret = LY_SUCCESS;
2890
Michal Vasko5347e3a2020-11-03 17:14:57 +01002891 COMPILE_ARRAY_GOTO(ctx, llist_p->musts, llist->musts, lys_compile_must, ret, done);
Michal Vaskoc130e162021-10-19 11:30:00 +02002892
2893 /* add must(s) to unres */
2894 ret = lysc_unres_must_add(ctx, node, pnode);
2895 LY_CHECK_GOTO(ret, done);
2896
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002897 if (llist_p->units) {
2898 LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, llist_p->units, 0, &llist->units), done);
2899 llist->flags |= LYS_SET_UNITS;
2900 }
2901
2902 /* compile type */
2903 ret = lys_compile_node_type(ctx, pnode, &llist_p->type, (struct lysc_node_leaf *)llist);
2904 LY_CHECK_GOTO(ret, done);
2905
2906 /* store/update default values */
2907 if (llist_p->dflts) {
2908 if (ctx->pmod->version < LYS_VERSION_1_1) {
Michal Vasko6b8c5102021-10-19 11:29:32 +02002909 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Leaf-list default values are allowed only in YANG 1.1 modules.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002910 return LY_EVALID;
2911 }
2912
2913 LY_CHECK_GOTO(lysc_unres_llist_dflts_add(ctx, llist, llist_p->dflts), done);
2914 llist->flags |= LYS_SET_DFLT;
2915 }
2916
2917 llist->min = llist_p->min;
2918 if (llist->min) {
2919 llist->flags |= LYS_MAND_TRUE;
2920 }
Michal Vaskoe78faec2021-04-08 17:24:43 +02002921 llist->max = llist_p->max ? llist_p->max : UINT32_MAX;
2922
2923 if (llist->flags & LYS_CONFIG_R) {
2924 /* state leaf-list is always ordered-by user */
2925 llist->flags &= ~LYS_ORDBY_SYSTEM;
2926 llist->flags |= LYS_ORDBY_USER;
2927 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002928
2929 /* checks */
2930 if ((llist->flags & LYS_SET_DFLT) && (llist->flags & LYS_MAND_TRUE)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002931 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "The default statement is present on leaf-list with a nonzero min-elements.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002932 return LY_EVALID;
2933 }
2934
2935 if (llist->min > llist->max) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002936 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Leaf-list min-elements %u is bigger than max-elements %u.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002937 llist->min, llist->max);
2938 return LY_EVALID;
2939 }
2940
2941done:
2942 return ret;
2943}
2944
Michal Vasko9716ca72021-12-14 10:31:04 +01002945/**
2946 * @brief Find the node according to the given descendant/absolute schema nodeid.
2947 * Used in unique, refine and augment statements.
2948 *
2949 * @param[in] ctx Compile context
2950 * @param[in] nodeid Descendant-schema-nodeid (according to the YANG grammar)
2951 * @param[in] nodeid_len Length of the given nodeid, if it is not NULL-terminated string.
2952 * @param[in] ctx_node Context node for a relative nodeid.
Michal Vasko9716ca72021-12-14 10:31:04 +01002953 * @param[in] format Format of any prefixes.
2954 * @param[in] prefix_data Format-specific prefix data (see ::ly_resolve_prefix).
2955 * @param[in] nodetype Optional (can be 0) restriction for target's nodetype. If target exists, but does not match
2956 * the given nodetype, LY_EDENIED is returned (and target is provided), but no error message is printed.
2957 * The value can be even an ORed value to allow multiple nodetypes.
2958 * @param[out] target Found target node if any.
2959 * @param[out] result_flag Output parameter to announce if the schema nodeid goes through the action's input/output or a Notification.
2960 * The LYSC_OPT_RPC_INPUT, LYSC_OPT_RPC_OUTPUT and LYSC_OPT_NOTIFICATION are used as flags.
2961 * @return LY_ERR values - LY_ENOTFOUND, LY_EVALID, LY_EDENIED or LY_SUCCESS.
2962 */
2963static LY_ERR
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002964lysc_resolve_schema_nodeid(struct lysc_ctx *ctx, const char *nodeid, size_t nodeid_len, const struct lysc_node *ctx_node,
Michal Vaskoc486d212021-12-16 15:41:30 +01002965 LY_VALUE_FORMAT format, void *prefix_data, uint16_t nodetype, const struct lysc_node **target, uint16_t *result_flag)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002966{
2967 LY_ERR ret = LY_EVALID;
2968 const char *name, *prefix, *id;
2969 size_t name_len, prefix_len;
Radek Krejci2b18bf12020-11-06 11:20:20 +01002970 const struct lys_module *mod = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002971 const char *nodeid_type;
2972 uint32_t getnext_extra_flag = 0;
2973 uint16_t current_nodetype = 0;
2974
2975 assert(nodeid);
2976 assert(target);
2977 assert(result_flag);
2978 *target = NULL;
2979 *result_flag = 0;
2980
2981 id = nodeid;
2982
2983 if (ctx_node) {
2984 /* descendant-schema-nodeid */
2985 nodeid_type = "descendant";
2986
2987 if (*id == '/') {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002988 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002989 "Invalid descendant-schema-nodeid value \"%.*s\" - absolute-schema-nodeid used.",
Radek Krejci422afb12021-03-04 16:38:16 +01002990 (int)(nodeid_len ? nodeid_len : strlen(nodeid)), nodeid);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002991 return LY_EVALID;
2992 }
2993 } else {
2994 /* absolute-schema-nodeid */
2995 nodeid_type = "absolute";
2996
2997 if (*id != '/') {
Radek Krejci2efc45b2020-12-22 16:25:44 +01002998 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02002999 "Invalid absolute-schema-nodeid value \"%.*s\" - missing starting \"/\".",
Radek Krejci422afb12021-03-04 16:38:16 +01003000 (int)(nodeid_len ? nodeid_len : strlen(nodeid)), nodeid);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003001 return LY_EVALID;
3002 }
3003 ++id;
3004 }
3005
3006 while (*id && (ret = ly_parse_nodeid(&id, &prefix, &prefix_len, &name, &name_len)) == LY_SUCCESS) {
3007 if (prefix) {
3008 mod = ly_resolve_prefix(ctx->ctx, prefix, prefix_len, format, prefix_data);
3009 if (!mod) {
3010 /* module must always be found */
3011 assert(prefix);
Radek Krejci2efc45b2020-12-22 16:25:44 +01003012 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003013 "Invalid %s-schema-nodeid value \"%.*s\" - prefix \"%.*s\" not defined in module \"%s\".",
Radek Krejci422afb12021-03-04 16:38:16 +01003014 nodeid_type, (int)(id - nodeid), nodeid, (int)prefix_len, prefix, LYSP_MODULE_NAME(ctx->pmod));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003015 return LY_ENOTFOUND;
3016 }
3017 } else {
3018 switch (format) {
Radek Krejci8df109d2021-04-23 12:19:08 +02003019 case LY_VALUE_SCHEMA:
3020 case LY_VALUE_SCHEMA_RESOLVED:
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003021 /* use the current module */
Michal Vaskoc486d212021-12-16 15:41:30 +01003022 mod = ctx->cur_mod;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003023 break;
Radek Krejci8df109d2021-04-23 12:19:08 +02003024 case LY_VALUE_JSON:
Radek Krejcif9943642021-04-26 10:18:21 +02003025 case LY_VALUE_LYB:
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003026 if (!ctx_node) {
3027 LOGINT_RET(ctx->ctx);
3028 }
3029 /* inherit the module of the previous context node */
3030 mod = ctx_node->module;
3031 break;
Radek Krejci224d4b42021-04-23 13:54:59 +02003032 case LY_VALUE_CANON:
Radek Krejci8df109d2021-04-23 12:19:08 +02003033 case LY_VALUE_XML:
Michal Vaskoaac267d2022-01-17 13:34:48 +01003034 case LY_VALUE_STR_NS:
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003035 /* not really defined */
3036 LOGINT_RET(ctx->ctx);
3037 }
3038 }
3039
3040 if (ctx_node && (ctx_node->nodetype & (LYS_RPC | LYS_ACTION))) {
3041 /* move through input/output manually */
3042 if (mod != ctx_node->module) {
Radek Krejci422afb12021-03-04 16:38:16 +01003043 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid %s-schema-nodeid value \"%.*s\" - target node not found.",
3044 nodeid_type, (int)(id - nodeid), nodeid);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003045 return LY_ENOTFOUND;
3046 }
3047 if (!ly_strncmp("input", name, name_len)) {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003048 ctx_node = &((struct lysc_node_action *)ctx_node)->input.node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003049 } else if (!ly_strncmp("output", name, name_len)) {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003050 ctx_node = &((struct lysc_node_action *)ctx_node)->output.node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003051 getnext_extra_flag = LYS_GETNEXT_OUTPUT;
3052 } else {
3053 /* only input or output is valid */
3054 ctx_node = NULL;
3055 }
3056 } else {
3057 ctx_node = lys_find_child(ctx_node, mod, name, name_len, 0,
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01003058 getnext_extra_flag | LYS_GETNEXT_WITHCHOICE | LYS_GETNEXT_WITHCASE);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003059 getnext_extra_flag = 0;
3060 }
3061 if (!ctx_node) {
Radek Krejci422afb12021-03-04 16:38:16 +01003062 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid %s-schema-nodeid value \"%.*s\" - target node not found.",
3063 nodeid_type, (int)(id - nodeid), nodeid);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003064 return LY_ENOTFOUND;
3065 }
3066 current_nodetype = ctx_node->nodetype;
3067
3068 if (current_nodetype == LYS_NOTIF) {
3069 (*result_flag) |= LYS_COMPILE_NOTIFICATION;
3070 } else if (current_nodetype == LYS_INPUT) {
3071 (*result_flag) |= LYS_COMPILE_RPC_INPUT;
3072 } else if (current_nodetype == LYS_OUTPUT) {
3073 (*result_flag) |= LYS_COMPILE_RPC_OUTPUT;
3074 }
3075
3076 if (!*id || (nodeid_len && ((size_t)(id - nodeid) >= nodeid_len))) {
3077 break;
3078 }
3079 if (*id != '/') {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003080 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003081 "Invalid %s-schema-nodeid value \"%.*s\" - missing \"/\" as node-identifier separator.",
Radek Krejci422afb12021-03-04 16:38:16 +01003082 nodeid_type, (int)(id - nodeid + 1), nodeid);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003083 return LY_EVALID;
3084 }
3085 ++id;
3086 }
3087
3088 if (ret == LY_SUCCESS) {
3089 *target = ctx_node;
3090 if (nodetype && !(current_nodetype & nodetype)) {
3091 return LY_EDENIED;
3092 }
3093 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003094 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003095 "Invalid %s-schema-nodeid value \"%.*s\" - unexpected end of expression.",
Radek Krejci422afb12021-03-04 16:38:16 +01003096 nodeid_type, (int)(nodeid_len ? nodeid_len : strlen(nodeid)), nodeid);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003097 }
3098
3099 return ret;
3100}
3101
3102/**
3103 * @brief Compile information about list's uniques.
3104 * @param[in] ctx Compile context.
3105 * @param[in] uniques Sized array list of unique statements.
3106 * @param[in] list Compiled list where the uniques are supposed to be resolved and stored.
3107 * @return LY_ERR value.
3108 */
3109static LY_ERR
3110lys_compile_node_list_unique(struct lysc_ctx *ctx, struct lysp_qname *uniques, struct lysc_node_list *list)
3111{
3112 LY_ERR ret = LY_SUCCESS;
3113 struct lysc_node_leaf **key, ***unique;
3114 struct lysc_node *parent;
3115 const char *keystr, *delim;
3116 size_t len;
3117 LY_ARRAY_COUNT_TYPE v;
3118 int8_t config; /* -1 - not yet seen; 0 - LYS_CONFIG_R; 1 - LYS_CONFIG_W */
3119 uint16_t flags;
3120
3121 LY_ARRAY_FOR(uniques, v) {
3122 config = -1;
3123 LY_ARRAY_NEW_RET(ctx->ctx, list->uniques, unique, LY_EMEM);
3124 keystr = uniques[v].str;
3125 while (keystr) {
3126 delim = strpbrk(keystr, " \t\n");
3127 if (delim) {
3128 len = delim - keystr;
3129 while (isspace(*delim)) {
3130 ++delim;
3131 }
3132 } else {
3133 len = strlen(keystr);
3134 }
3135
3136 /* unique node must be present */
3137 LY_ARRAY_NEW_RET(ctx->ctx, *unique, key, LY_EMEM);
Michal Vaskoc486d212021-12-16 15:41:30 +01003138 ret = lysc_resolve_schema_nodeid(ctx, keystr, len, &list->node, LY_VALUE_SCHEMA, (void *)uniques[v].mod,
3139 LYS_LEAF, (const struct lysc_node **)key, &flags);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003140 if (ret != LY_SUCCESS) {
3141 if (ret == LY_EDENIED) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003142 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003143 "Unique's descendant-schema-nodeid \"%.*s\" refers to %s node instead of a leaf.",
Radek Krejci422afb12021-03-04 16:38:16 +01003144 (int)len, keystr, lys_nodetype2str((*key)->nodetype));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003145 }
3146 return LY_EVALID;
3147 } else if (flags) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003148 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003149 "Unique's descendant-schema-nodeid \"%.*s\" refers into %s node.",
Radek Krejci422afb12021-03-04 16:38:16 +01003150 (int)len, keystr, flags & LYS_IS_NOTIF ? "notification" : "RPC/action");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003151 return LY_EVALID;
3152 }
3153
3154 /* all referenced leafs must be of the same config type */
3155 if ((config != -1) && ((((*key)->flags & LYS_CONFIG_W) && (config == 0)) ||
3156 (((*key)->flags & LYS_CONFIG_R) && (config == 1)))) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003157 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003158 "Unique statement \"%s\" refers to leaves with different config type.", uniques[v].str);
3159 return LY_EVALID;
3160 } else if ((*key)->flags & LYS_CONFIG_W) {
3161 config = 1;
3162 } else { /* LYS_CONFIG_R */
3163 config = 0;
3164 }
3165
3166 /* we forbid referencing nested lists because it is unspecified what instance of such a list to use */
3167 for (parent = (*key)->parent; parent != (struct lysc_node *)list; parent = parent->parent) {
3168 if (parent->nodetype == LYS_LIST) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003169 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003170 "Unique statement \"%s\" refers to a leaf in nested list \"%s\".", uniques[v].str, parent->name);
3171 return LY_EVALID;
3172 }
3173 }
3174
3175 /* check status */
Michal Vaskoc130e162021-10-19 11:30:00 +02003176 LY_CHECK_RET(lysc_check_status(ctx, list->flags, uniques[v].mod->mod, list->name,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003177 (*key)->flags, (*key)->module, (*key)->name));
3178
3179 /* mark leaf as unique */
3180 (*key)->flags |= LYS_UNIQUE;
3181
3182 /* next unique value in line */
3183 keystr = delim;
3184 }
3185 /* next unique definition */
3186 }
3187
3188 return LY_SUCCESS;
3189}
3190
3191/**
3192 * @brief Compile parsed list node information.
3193 * @param[in] ctx Compile context
3194 * @param[in] pnode Parsed list node.
3195 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
3196 * is enriched with the list-specific information.
3197 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
3198 */
3199static LY_ERR
3200lys_compile_node_list(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
3201{
3202 struct lysp_node_list *list_p = (struct lysp_node_list *)pnode;
3203 struct lysc_node_list *list = (struct lysc_node_list *)node;
3204 struct lysp_node *child_p;
3205 struct lysc_node_leaf *key, *prev_key = NULL;
3206 size_t len;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003207 const char *keystr, *delim;
3208 LY_ERR ret = LY_SUCCESS;
3209
3210 list->min = list_p->min;
3211 if (list->min) {
3212 list->flags |= LYS_MAND_TRUE;
3213 }
3214 list->max = list_p->max ? list_p->max : (uint32_t)-1;
3215
3216 LY_LIST_FOR(list_p->child, child_p) {
3217 LY_CHECK_RET(lys_compile_node(ctx, child_p, node, 0, NULL));
3218 }
3219
Michal Vasko5347e3a2020-11-03 17:14:57 +01003220 COMPILE_ARRAY_GOTO(ctx, list_p->musts, list->musts, lys_compile_must, ret, done);
Michal Vaskoc130e162021-10-19 11:30:00 +02003221
3222 /* add must(s) to unres */
3223 ret = lysc_unres_must_add(ctx, node, pnode);
3224 LY_CHECK_GOTO(ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003225
3226 /* keys */
3227 if ((list->flags & LYS_CONFIG_W) && (!list_p->key || !list_p->key[0])) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003228 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Missing key in list representing configuration data.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003229 return LY_EVALID;
3230 }
3231
3232 /* find all the keys (must be direct children) */
3233 keystr = list_p->key;
3234 if (!keystr) {
3235 /* keyless list */
Michal Vaskoe78faec2021-04-08 17:24:43 +02003236 list->flags &= ~LYS_ORDBY_SYSTEM;
3237 list->flags |= LYS_KEYLESS | LYS_ORDBY_USER;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003238 }
3239 while (keystr) {
3240 delim = strpbrk(keystr, " \t\n");
3241 if (delim) {
3242 len = delim - keystr;
3243 while (isspace(*delim)) {
3244 ++delim;
3245 }
3246 } else {
3247 len = strlen(keystr);
3248 }
3249
3250 /* key node must be present */
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01003251 key = (struct lysc_node_leaf *)lys_find_child(node, node->module, keystr, len, LYS_LEAF, LYS_GETNEXT_NOCHOICE);
3252 if (!key) {
Radek Krejci422afb12021-03-04 16:38:16 +01003253 LOGVAL(ctx->ctx, LYVE_REFERENCE, "The list's key \"%.*s\" not found.", (int)len, keystr);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003254 return LY_EVALID;
3255 }
3256 /* keys must be unique */
3257 if (key->flags & LYS_KEY) {
3258 /* the node was already marked as a key */
Radek Krejci422afb12021-03-04 16:38:16 +01003259 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Duplicated key identifier \"%.*s\".", (int)len, keystr);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003260 return LY_EVALID;
3261 }
3262
Radek Krejcia6016992021-03-03 10:13:41 +01003263 lysc_update_path(ctx, list->module, key->name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003264 /* key must have the same config flag as the list itself */
3265 if ((list->flags & LYS_CONFIG_MASK) != (key->flags & LYS_CONFIG_MASK)) {
Michal Vasko6b8c5102021-10-19 11:29:32 +02003266 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Key of a configuration list must not be a state leaf.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003267 return LY_EVALID;
3268 }
3269 if (ctx->pmod->version < LYS_VERSION_1_1) {
3270 /* YANG 1.0 denies key to be of empty type */
3271 if (key->type->basetype == LY_TYPE_EMPTY) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003272 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003273 "List's key cannot be of \"empty\" type until it is in YANG 1.1 module.");
3274 return LY_EVALID;
3275 }
3276 } else {
3277 /* when and if-feature are illegal on list keys */
3278 if (key->when) {
Michal Vasko6b8c5102021-10-19 11:29:32 +02003279 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "List's key must not have any \"when\" statement.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003280 return LY_EVALID;
3281 }
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01003282 /* TODO check key, it cannot have any if-features */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003283 }
3284
3285 /* check status */
3286 LY_CHECK_RET(lysc_check_status(ctx, list->flags, list->module, list->name,
3287 key->flags, key->module, key->name));
3288
3289 /* ignore default values of the key */
3290 if (key->dflt) {
3291 key->dflt->realtype->plugin->free(ctx->ctx, key->dflt);
3292 lysc_type_free(ctx->ctx, (struct lysc_type *)key->dflt->realtype);
3293 free(key->dflt);
3294 key->dflt = NULL;
3295 }
3296 /* mark leaf as key */
3297 key->flags |= LYS_KEY;
3298
3299 /* move it to the correct position */
3300 if ((prev_key && ((struct lysc_node *)prev_key != key->prev)) || (!prev_key && key->prev->next)) {
3301 /* fix links in closest previous siblings of the key */
3302 if (key->next) {
3303 key->next->prev = key->prev;
3304 } else {
3305 /* last child */
3306 list->child->prev = key->prev;
3307 }
3308 if (key->prev->next) {
3309 key->prev->next = key->next;
3310 }
3311 /* fix links in the key */
3312 if (prev_key) {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003313 key->prev = &prev_key->node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003314 key->next = prev_key->next;
3315 } else {
3316 key->prev = list->child->prev;
3317 key->next = list->child;
3318 }
3319 /* fix links in closes future siblings of the key */
3320 if (prev_key) {
3321 if (prev_key->next) {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003322 prev_key->next->prev = &key->node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003323 } else {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003324 list->child->prev = &key->node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003325 }
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003326 prev_key->next = &key->node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003327 } else {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003328 list->child->prev = &key->node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003329 }
3330 /* fix links in parent */
3331 if (!key->prev->next) {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003332 list->child = &key->node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003333 }
3334 }
3335
3336 /* next key value */
3337 prev_key = key;
3338 keystr = delim;
3339 lysc_update_path(ctx, NULL, NULL);
3340 }
3341
3342 /* uniques */
3343 if (list_p->uniques) {
3344 LY_CHECK_RET(lys_compile_node_list_unique(ctx, list_p->uniques, list));
3345 }
3346
Radek Krejci2a9fc652021-01-22 17:44:34 +01003347 LY_LIST_FOR((struct lysp_node *)list_p->actions, child_p) {
3348 ret = lys_compile_node(ctx, child_p, node, 0, NULL);
3349 LY_CHECK_GOTO(ret, done);
3350 }
3351 LY_LIST_FOR((struct lysp_node *)list_p->notifs, child_p) {
3352 ret = lys_compile_node(ctx, child_p, node, 0, NULL);
3353 LY_CHECK_GOTO(ret, done);
3354 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003355
3356 /* checks */
3357 if (list->min > list->max) {
Michal Vasko6b8c5102021-10-19 11:29:32 +02003358 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "List min-elements %u is bigger than max-elements %u.", list->min, list->max);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003359 return LY_EVALID;
3360 }
3361
3362done:
3363 return ret;
3364}
3365
3366/**
3367 * @brief Do some checks and set the default choice's case.
3368 *
3369 * Selects (and stores into ::lysc_node_choice#dflt) the default case and set LYS_SET_DFLT flag on it.
3370 *
3371 * @param[in] ctx Compile context.
3372 * @param[in] dflt Name of the default branch. Can even contain a prefix.
3373 * @param[in,out] ch The compiled choice node, its dflt member is filled to point to the default case node of the choice.
3374 * @return LY_ERR value.
3375 */
3376static LY_ERR
3377lys_compile_node_choice_dflt(struct lysc_ctx *ctx, struct lysp_qname *dflt, struct lysc_node_choice *ch)
3378{
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003379 struct lysc_node *iter;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003380 const struct lys_module *mod;
3381 const char *prefix = NULL, *name;
3382 size_t prefix_len = 0;
3383
3384 /* could use lys_parse_nodeid(), but it checks syntax which is already done in this case by the parsers */
3385 name = strchr(dflt->str, ':');
3386 if (name) {
3387 prefix = dflt->str;
3388 prefix_len = name - prefix;
3389 ++name;
3390 } else {
3391 name = dflt->str;
3392 }
3393 if (prefix) {
Radek Krejci8df109d2021-04-23 12:19:08 +02003394 mod = ly_resolve_prefix(ctx->ctx, prefix, prefix_len, LY_VALUE_SCHEMA, (void *)dflt->mod);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003395 if (!mod) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003396 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Default case prefix \"%.*s\" not found "
Radek Krejci422afb12021-03-04 16:38:16 +01003397 "in imports of \"%s\".", (int)prefix_len, prefix, LYSP_MODULE_NAME(dflt->mod));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003398 return LY_EVALID;
3399 }
3400 } else {
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003401 mod = ch->module;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003402 }
3403
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003404 ch->dflt = (struct lysc_node_case *)lys_find_child(&ch->node, mod, name, 0, LYS_CASE, LYS_GETNEXT_WITHCASE);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003405 if (!ch->dflt) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003406 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003407 "Default case \"%s\" not found.", dflt->str);
3408 return LY_EVALID;
3409 }
3410
3411 /* no mandatory nodes directly under the default case */
3412 LY_LIST_FOR(ch->dflt->child, iter) {
3413 if (iter->parent != (struct lysc_node *)ch->dflt) {
3414 break;
3415 }
3416 if (iter->flags & LYS_MAND_TRUE) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003417 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003418 "Mandatory node \"%s\" under the default case \"%s\".", iter->name, dflt->str);
3419 return LY_EVALID;
3420 }
3421 }
3422
3423 if (ch->flags & LYS_MAND_TRUE) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003424 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Invalid mandatory choice with a default case.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003425 return LY_EVALID;
3426 }
3427
3428 ch->dflt->flags |= LYS_SET_DFLT;
3429 return LY_SUCCESS;
3430}
3431
3432LY_ERR
3433lys_compile_node_choice_child(struct lysc_ctx *ctx, struct lysp_node *child_p, struct lysc_node *node,
3434 struct ly_set *child_set)
3435{
3436 LY_ERR ret = LY_SUCCESS;
3437 struct lysp_node *child_p_next = child_p->next;
3438 struct lysp_node_case *cs_p;
aPiecekaa320c92021-05-21 07:34:24 +02003439 struct lysc_node_case *compiled_case;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003440
3441 if (child_p->nodetype == LYS_CASE) {
3442 /* standard case under choice */
3443 ret = lys_compile_node(ctx, child_p, node, 0, child_set);
3444 } else {
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003445 /* we need the implicit case first, so create a fake parsed (shorthand) case */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003446 cs_p = calloc(1, sizeof *cs_p);
3447 cs_p->nodetype = LYS_CASE;
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003448 DUP_STRING_GOTO(ctx->ctx, child_p->name, cs_p->name, ret, revert_sh_case);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003449 cs_p->child = child_p;
3450
3451 /* make the child the only case child */
3452 child_p->next = NULL;
3453
3454 /* compile it normally */
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003455 LY_CHECK_GOTO(ret = lys_compile_node(ctx, (struct lysp_node *)cs_p, node, 0, child_set), revert_sh_case);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003456
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003457 if (((struct lysc_node_choice *)node)->cases) {
3458 /* get last case node */
3459 compiled_case = (struct lysc_node_case *)((struct lysc_node_choice *)node)->cases->prev;
aPiecek082c7dc2021-05-20 08:55:07 +02003460
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003461 if (ctx->ctx->flags & LY_CTX_SET_PRIV_PARSED) {
3462 /* Compiled case node cannot point to his corresponding parsed node
aPiecek8e351382021-06-25 14:13:55 +02003463 * because it exists temporarily. Therefore, it must be set to NULL.
3464 */
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003465 compiled_case->priv = NULL;
3466 }
aPiecekaa320c92021-05-21 07:34:24 +02003467
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003468 /* The status is copied from his child and not from his parent as usual. */
3469 if (compiled_case->child) {
3470 compiled_case->flags &= ~LYS_STATUS_MASK;
3471 compiled_case->flags |= LYS_STATUS_MASK & compiled_case->child->flags;
3472 }
3473 } /* else it was removed by a deviation */
aPiecekaa320c92021-05-21 07:34:24 +02003474
Michal Vaskoa6cf80a2021-06-25 07:42:19 +02003475revert_sh_case:
3476 /* free the parsed shorthand case and correct pointers back */
aPiecekaa320c92021-05-21 07:34:24 +02003477 cs_p->child = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003478 lysp_node_free(ctx->ctx, (struct lysp_node *)cs_p);
3479 child_p->next = child_p_next;
3480 }
3481
3482 return ret;
3483}
3484
3485/**
3486 * @brief Compile parsed choice node information.
3487 *
3488 * @param[in] ctx Compile context
3489 * @param[in] pnode Parsed choice node.
3490 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
3491 * is enriched with the choice-specific information.
3492 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
3493 */
3494static LY_ERR
3495lys_compile_node_choice(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
3496{
3497 struct lysp_node_choice *ch_p = (struct lysp_node_choice *)pnode;
3498 struct lysc_node_choice *ch = (struct lysc_node_choice *)node;
3499 struct lysp_node *child_p;
3500 LY_ERR ret = LY_SUCCESS;
3501
3502 assert(node->nodetype == LYS_CHOICE);
3503
3504 LY_LIST_FOR(ch_p->child, child_p) {
3505 LY_CHECK_RET(lys_compile_node_choice_child(ctx, child_p, node, NULL));
3506 }
3507
3508 /* default branch */
3509 if (ch_p->dflt.str) {
3510 LY_CHECK_RET(lys_compile_node_choice_dflt(ctx, &ch_p->dflt, ch));
3511 }
3512
3513 return ret;
3514}
3515
3516/**
3517 * @brief Compile parsed anydata or anyxml node information.
3518 * @param[in] ctx Compile context
3519 * @param[in] pnode Parsed anydata or anyxml node.
3520 * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
3521 * is enriched with the any-specific information.
3522 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
3523 */
3524static LY_ERR
3525lys_compile_node_any(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
3526{
3527 struct lysp_node_anydata *any_p = (struct lysp_node_anydata *)pnode;
3528 struct lysc_node_anydata *any = (struct lysc_node_anydata *)node;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003529 LY_ERR ret = LY_SUCCESS;
3530
Michal Vasko5347e3a2020-11-03 17:14:57 +01003531 COMPILE_ARRAY_GOTO(ctx, any_p->musts, any->musts, lys_compile_must, ret, done);
Michal Vaskoc130e162021-10-19 11:30:00 +02003532
3533 /* add must(s) to unres */
3534 ret = lysc_unres_must_add(ctx, node, pnode);
3535 LY_CHECK_GOTO(ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003536
Radek Krejci91531e12021-02-08 19:57:54 +01003537 if (any->flags & LYS_CONFIG_W) {
Michal Vasko5676f4e2021-04-06 17:14:45 +02003538 LOGVRB("Use of %s to define configuration data is not recommended. %s",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003539 ly_stmt2str(any->nodetype == LYS_ANYDATA ? LY_STMT_ANYDATA : LY_STMT_ANYXML), ctx->path);
3540 }
3541done:
3542 return ret;
3543}
3544
3545/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003546 * @brief Prepare the case structure in choice node for the new data node.
3547 *
3548 * It is able to handle implicit as well as explicit cases and the situation when the case has multiple data nodes and the case was already
3549 * created in the choice when the first child was processed.
3550 *
3551 * @param[in] ctx Compile context.
3552 * @param[in] pnode Node image from the parsed tree. If the case is explicit, it is the LYS_CASE node, but in case of implicit case,
3553 * it is the LYS_CHOICE, LYS_AUGMENT or LYS_GROUPING node.
3554 * @param[in] ch The compiled choice structure where the new case structures are created (if needed).
3555 * @param[in] child The new data node being part of a case (no matter if explicit or implicit).
3556 * @return The case structure where the child node belongs to, NULL in case of error. Note that the child is not connected into the siblings list,
3557 * it is linked from the case structure only in case it is its first child.
3558 */
3559static LY_ERR
3560lys_compile_node_case(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
3561{
3562 struct lysp_node *child_p;
3563 struct lysp_node_case *cs_p = (struct lysp_node_case *)pnode;
3564
3565 if (pnode->nodetype & (LYS_CHOICE | LYS_AUGMENT | LYS_GROUPING)) {
3566 /* we have to add an implicit case node into the parent choice */
3567 } else if (pnode->nodetype == LYS_CASE) {
3568 /* explicit parent case */
3569 LY_LIST_FOR(cs_p->child, child_p) {
3570 LY_CHECK_RET(lys_compile_node(ctx, child_p, node, 0, NULL));
3571 }
3572 } else {
3573 LOGINT_RET(ctx->ctx);
3574 }
3575
3576 return LY_SUCCESS;
3577}
3578
3579void
3580lys_compile_mandatory_parents(struct lysc_node *parent, ly_bool add)
3581{
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003582 const struct lysc_node *iter;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003583
3584 if (add) { /* set flag */
3585 for ( ; parent && parent->nodetype == LYS_CONTAINER && !(parent->flags & LYS_MAND_TRUE) && !(parent->flags & LYS_PRESENCE);
3586 parent = parent->parent) {
3587 parent->flags |= LYS_MAND_TRUE;
3588 }
3589 } else { /* unset flag */
3590 for ( ; parent && parent->nodetype == LYS_CONTAINER && (parent->flags & LYS_MAND_TRUE); parent = parent->parent) {
Michal Vasko544e58a2021-01-28 14:33:41 +01003591 for (iter = lysc_node_child(parent); iter; iter = iter->next) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003592 if (iter->flags & LYS_MAND_TRUE) {
3593 /* there is another mandatory node */
3594 return;
3595 }
3596 }
3597 /* unset mandatory flag - there is no mandatory children in the non-presence container */
3598 parent->flags &= ~LYS_MAND_TRUE;
3599 }
3600 }
3601}
3602
3603/**
Radek Krejciabd33a42021-01-20 17:18:59 +01003604 * @brief Get the grouping with the specified name from given groupings sized array.
Radek Krejci2a9fc652021-01-22 17:44:34 +01003605 * @param[in] grps Linked list of groupings.
Radek Krejciabd33a42021-01-20 17:18:59 +01003606 * @param[in] name Name of the grouping to find,
3607 * @return NULL when there is no grouping with the specified name
3608 * @return Pointer to the grouping of the specified @p name.
3609 */
Radek Krejci2a9fc652021-01-22 17:44:34 +01003610static struct lysp_node_grp *
3611match_grouping(struct lysp_node_grp *grps, const char *name)
Radek Krejciabd33a42021-01-20 17:18:59 +01003612{
Radek Krejci2a9fc652021-01-22 17:44:34 +01003613 struct lysp_node_grp *grp;
Radek Krejciabd33a42021-01-20 17:18:59 +01003614
Radek Krejci2a9fc652021-01-22 17:44:34 +01003615 LY_LIST_FOR(grps, grp) {
3616 if (!strcmp(grp->name, name)) {
3617 return grp;
Radek Krejciabd33a42021-01-20 17:18:59 +01003618 }
3619 }
3620
3621 return NULL;
3622}
3623
3624/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003625 * @brief Find grouping for a uses.
3626 *
3627 * @param[in] ctx Compile context.
3628 * @param[in] uses_p Parsed uses node.
3629 * @param[out] gpr_p Found grouping on success.
3630 * @param[out] grp_pmod Module of @p grp_p on success.
3631 * @return LY_ERR value.
3632 */
3633static LY_ERR
Radek Krejci2a9fc652021-01-22 17:44:34 +01003634lys_compile_uses_find_grouping(struct lysc_ctx *ctx, struct lysp_node_uses *uses_p, struct lysp_node_grp **grp_p,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003635 struct lysp_module **grp_pmod)
3636{
3637 struct lysp_node *pnode;
Radek Krejci2a9fc652021-01-22 17:44:34 +01003638 struct lysp_node_grp *grp;
Radek Krejciabd33a42021-01-20 17:18:59 +01003639 LY_ARRAY_COUNT_TYPE u;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003640 const char *id, *name, *prefix, *local_pref;
3641 size_t prefix_len, name_len;
3642 struct lysp_module *pmod, *found = NULL;
Michal Vaskob2d55bf2020-11-02 15:42:43 +01003643 const struct lys_module *mod;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003644
3645 *grp_p = NULL;
3646 *grp_pmod = NULL;
3647
3648 /* search for the grouping definition */
3649 id = uses_p->name;
3650 LY_CHECK_RET(ly_parse_nodeid(&id, &prefix, &prefix_len, &name, &name_len), LY_EVALID);
3651 local_pref = ctx->pmod->is_submod ? ((struct lysp_submodule *)ctx->pmod)->prefix : ctx->pmod->mod->prefix;
3652 if (!prefix || !ly_strncmp(local_pref, prefix, prefix_len)) {
3653 /* current module, search local groupings first */
Radek Krejciabd33a42021-01-20 17:18:59 +01003654 pmod = ctx->pmod->mod->parsed; /* make sure that we will start in main_module, not submodule */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003655 for (pnode = uses_p->parent; !found && pnode; pnode = pnode->parent) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01003656 if ((grp = match_grouping((struct lysp_node_grp *)lysp_node_groupings(pnode), name))) {
3657 found = ctx->pmod;
3658 break;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003659 }
3660 }
3661 } else {
3662 /* foreign module, find it first */
Radek Krejci8df109d2021-04-23 12:19:08 +02003663 mod = ly_resolve_prefix(ctx->ctx, prefix, prefix_len, LY_VALUE_SCHEMA, ctx->pmod);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003664 if (!mod) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003665 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003666 "Invalid prefix used for grouping reference.", uses_p->name);
3667 return LY_EVALID;
3668 }
3669 pmod = mod->parsed;
3670 }
3671
3672 if (!found) {
3673 /* search in top-level groupings of the main module ... */
Radek Krejciabd33a42021-01-20 17:18:59 +01003674 if ((grp = match_grouping(pmod->groupings, name))) {
3675 found = pmod;
3676 } else {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003677 /* ... and all the submodules */
3678 LY_ARRAY_FOR(pmod->includes, u) {
Radek Krejciabd33a42021-01-20 17:18:59 +01003679 if ((grp = match_grouping(pmod->includes[u].submodule->groupings, name))) {
3680 found = (struct lysp_module *)pmod->includes[u].submodule;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003681 break;
3682 }
3683 }
3684 }
3685 }
3686 if (!found) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003687 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003688 "Grouping \"%s\" referenced by a uses statement not found.", uses_p->name);
3689 return LY_EVALID;
3690 }
3691
Michal Vasko7c565922021-06-10 14:58:27 +02003692 if (!(ctx->compile_opts & LYS_COMPILE_GROUPING)) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003693 /* remember that the grouping is instantiated to avoid its standalone validation */
3694 grp->flags |= LYS_USED_GRP;
3695 }
3696
3697 *grp_p = grp;
3698 *grp_pmod = found;
3699 return LY_SUCCESS;
3700}
3701
3702/**
Michal Vaskodfd254d2021-06-24 09:24:59 +02003703 * @brief Special bits combination marking the uses_status value and propagated by ::lys_compile_uses() function.
3704 */
3705#define LYS_STATUS_USES LYS_CONFIG_MASK
3706
3707/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003708 * @brief Compile parsed uses statement - resolve target grouping and connect its content into parent.
3709 * If present, also apply uses's modificators.
3710 *
3711 * @param[in] ctx Compile context
3712 * @param[in] uses_p Parsed uses schema node.
3713 * @param[in] parent Compiled parent node where the content of the referenced grouping is supposed to be connected. It is
3714 * NULL for top-level nodes, in such a case the module where the node will be connected is taken from
3715 * the compile context.
3716 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
3717 */
3718static LY_ERR
3719lys_compile_uses(struct lysc_ctx *ctx, struct lysp_node_uses *uses_p, struct lysc_node *parent, struct ly_set *child_set)
3720{
3721 struct lysp_node *pnode;
3722 struct lysc_node *child;
Radek Krejci2a9fc652021-01-22 17:44:34 +01003723 struct lysp_node_grp *grp = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003724 uint32_t i, grp_stack_count;
Michal Vasko10b6b1c2021-07-20 10:43:12 +02003725 uint16_t uses_flags;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003726 struct lysp_module *grp_mod, *mod_old = ctx->pmod;
3727 LY_ERR ret = LY_SUCCESS;
3728 struct lysc_when *when_shared = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003729 struct ly_set uses_child_set = {0};
3730
3731 /* find the referenced grouping */
3732 LY_CHECK_RET(lys_compile_uses_find_grouping(ctx, uses_p, &grp, &grp_mod));
3733
3734 /* grouping must not reference themselves - stack in ctx maintains list of groupings currently being applied */
3735 grp_stack_count = ctx->groupings.count;
3736 LY_CHECK_RET(ly_set_add(&ctx->groupings, (void *)grp, 0, NULL));
3737 if (grp_stack_count == ctx->groupings.count) {
3738 /* the target grouping is already in the stack, so we are already inside it -> circular dependency */
Radek Krejci2efc45b2020-12-22 16:25:44 +01003739 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003740 "Grouping \"%s\" references itself through a uses statement.", grp->name);
3741 return LY_EVALID;
3742 }
3743
3744 /* check status */
3745 ret = lysc_check_status(ctx, uses_p->flags, ctx->pmod, uses_p->name, grp->flags, grp_mod, grp->name);
3746 LY_CHECK_GOTO(ret, cleanup);
3747
3748 /* compile any augments and refines so they can be applied during the grouping nodes compilation */
3749 ret = lys_precompile_uses_augments_refines(ctx, uses_p, parent);
3750 LY_CHECK_GOTO(ret, cleanup);
3751
Michal Vasko10b6b1c2021-07-20 10:43:12 +02003752 /* compile special uses status flags */
3753 uses_flags = uses_p->flags;
3754 ret = lys_compile_status(ctx, &uses_flags, "<uses>", parent ? parent->flags : 0, parent ? parent->name : NULL, 0);
3755 LY_CHECK_GOTO(ret, cleanup);
3756 uses_flags |= LYS_STATUS_USES;
3757
Michal Vaskod57b6642022-02-02 09:11:53 +01003758 /* switch context's parsed module being processed */
3759 ctx->pmod = grp_mod;
3760
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003761 /* compile data nodes */
Radek Krejci01180ac2021-01-27 08:48:22 +01003762 LY_LIST_FOR(grp->child, pnode) {
Michal Vasko10b6b1c2021-07-20 10:43:12 +02003763 ret = lys_compile_node(ctx, pnode, parent, uses_flags, &uses_child_set);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003764 LY_CHECK_GOTO(ret, cleanup);
3765 }
3766
3767 if (child_set) {
3768 /* add these children to our compiled child_set as well since uses is a schema-only node */
3769 LY_CHECK_GOTO(ret = ly_set_merge(child_set, &uses_child_set, 1, NULL), cleanup);
3770 }
3771
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003772 /* compile actions */
3773 if (grp->actions) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01003774 struct lysc_node_action **actions;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003775 actions = parent ? lysc_node_actions_p(parent) : &ctx->cur_mod->compiled->rpcs;
3776 if (!actions) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003777 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid child %s \"%s\" of uses parent %s \"%s\" node.",
Radek Krejci2a9fc652021-01-22 17:44:34 +01003778 grp->actions->name, lys_nodetype2str(grp->actions->nodetype),
3779 parent->name, lys_nodetype2str(parent->nodetype));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003780 ret = LY_EVALID;
3781 goto cleanup;
3782 }
Radek Krejci2a9fc652021-01-22 17:44:34 +01003783 LY_LIST_FOR((struct lysp_node *)grp->actions, pnode) {
Michal Vasko10b6b1c2021-07-20 10:43:12 +02003784 ret = lys_compile_node(ctx, pnode, parent, uses_flags, &uses_child_set);
Radek Krejci2a9fc652021-01-22 17:44:34 +01003785 LY_CHECK_GOTO(ret, cleanup);
3786 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003787 }
3788
3789 /* compile notifications */
3790 if (grp->notifs) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01003791 struct lysc_node_notif **notifs;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003792 notifs = parent ? lysc_node_notifs_p(parent) : &ctx->cur_mod->compiled->notifs;
3793 if (!notifs) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01003794 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid child %s \"%s\" of uses parent %s \"%s\" node.",
Radek Krejci2a9fc652021-01-22 17:44:34 +01003795 grp->notifs->name, lys_nodetype2str(grp->notifs->nodetype),
3796 parent->name, lys_nodetype2str(parent->nodetype));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003797 ret = LY_EVALID;
3798 goto cleanup;
3799 }
Radek Krejci2a9fc652021-01-22 17:44:34 +01003800
3801 LY_LIST_FOR((struct lysp_node *)grp->notifs, pnode) {
Michal Vasko10b6b1c2021-07-20 10:43:12 +02003802 ret = lys_compile_node(ctx, pnode, parent, uses_flags, &uses_child_set);
Radek Krejci2a9fc652021-01-22 17:44:34 +01003803 LY_CHECK_GOTO(ret, cleanup);
3804 }
Michal Vaskod57b6642022-02-02 09:11:53 +01003805 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003806
Michal Vaskod57b6642022-02-02 09:11:53 +01003807 /* restore the previous context parsed module where uses is defined */
3808 ctx->pmod = mod_old;
3809
3810 if (uses_p->when) {
3811 /* pass uses's when to all the data children */
3812 for (i = 0; i < uses_child_set.count; ++i) {
3813 child = uses_child_set.snodes[i];
3814
3815 ret = lys_compile_when(ctx, uses_p->when, uses_flags, parent, lysc_data_node(parent), child, &when_shared);
3816 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003817 }
3818 }
3819
3820 /* check that all augments were applied */
3821 for (i = 0; i < ctx->uses_augs.count; ++i) {
Michal Vaskod8655722021-01-12 15:20:36 +01003822 if (((struct lysc_augment *)ctx->uses_augs.objs[i])->aug_p->parent != (struct lysp_node *)uses_p) {
3823 /* augment of some parent uses, irrelevant now */
3824 continue;
3825 }
3826
3827 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Augment target node \"%s\" in grouping \"%s\" was not found.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003828 ((struct lysc_augment *)ctx->uses_augs.objs[i])->nodeid->expr, grp->name);
3829 ret = LY_ENOTFOUND;
3830 }
3831 LY_CHECK_GOTO(ret, cleanup);
3832
3833 /* check that all refines were applied */
3834 for (i = 0; i < ctx->uses_rfns.count; ++i) {
Michal Vaskod8655722021-01-12 15:20:36 +01003835 if (((struct lysc_refine *)ctx->uses_rfns.objs[i])->uses_p != uses_p) {
3836 /* refine of some paretn uses, irrelevant now */
3837 continue;
3838 }
3839
3840 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Refine(s) target node \"%s\" in grouping \"%s\" was not found.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003841 ((struct lysc_refine *)ctx->uses_rfns.objs[i])->nodeid->expr, grp->name);
3842 ret = LY_ENOTFOUND;
3843 }
3844 LY_CHECK_GOTO(ret, cleanup);
3845
3846cleanup:
Michal Vaskod57b6642022-02-02 09:11:53 +01003847 /* restore previous context's parsed module being processed */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003848 ctx->pmod = mod_old;
3849
3850 /* remove the grouping from the stack for circular groupings dependency check */
3851 ly_set_rm_index(&ctx->groupings, ctx->groupings.count - 1, NULL);
3852 assert(ctx->groupings.count == grp_stack_count);
3853
3854 ly_set_erase(&uses_child_set, NULL);
3855 return ret;
3856}
3857
3858static int
3859lys_compile_grouping_pathlog(struct lysc_ctx *ctx, struct lysp_node *node, char **path)
3860{
3861 struct lysp_node *iter;
3862 int len = 0;
3863
3864 *path = NULL;
3865 for (iter = node; iter && len >= 0; iter = iter->parent) {
3866 char *s = *path;
3867 char *id;
3868
3869 switch (iter->nodetype) {
3870 case LYS_USES:
3871 LY_CHECK_RET(asprintf(&id, "{uses='%s'}", iter->name) == -1, -1);
3872 break;
3873 case LYS_GROUPING:
3874 LY_CHECK_RET(asprintf(&id, "{grouping='%s'}", iter->name) == -1, -1);
3875 break;
3876 case LYS_AUGMENT:
3877 LY_CHECK_RET(asprintf(&id, "{augment='%s'}", iter->name) == -1, -1);
3878 break;
3879 default:
3880 id = strdup(iter->name);
3881 break;
3882 }
3883
3884 if (!iter->parent) {
3885 /* print prefix */
3886 len = asprintf(path, "/%s:%s%s", ctx->cur_mod->name, id, s ? s : "");
3887 } else {
3888 /* prefix is the same as in parent */
3889 len = asprintf(path, "/%s%s", id, s ? s : "");
3890 }
3891 free(s);
3892 free(id);
3893 }
3894
3895 if (len < 0) {
3896 free(*path);
3897 *path = NULL;
3898 } else if (len == 0) {
3899 *path = strdup("/");
3900 len = 1;
3901 }
3902 return len;
3903}
3904
3905LY_ERR
Radek Krejci2a9fc652021-01-22 17:44:34 +01003906lys_compile_grouping(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysp_node_grp *grp)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003907{
3908 LY_ERR ret;
3909 char *path;
3910 int len;
Michal Vasko7a88a4e2022-01-24 08:45:44 +01003911 uint16_t cont_flags;
3912
3913 cont_flags = pnode ? pnode->flags & LYS_FLAGS_COMPILED_MASK : 0;
3914 if (!(cont_flags & LYS_CONFIG_MASK)) {
3915 /* default config */
3916 cont_flags |= LYS_CONFIG_W;
3917 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003918
3919 struct lysp_node_uses fake_uses = {
3920 .parent = pnode,
3921 .nodetype = LYS_USES,
3922 .flags = 0, .next = NULL,
3923 .name = grp->name,
3924 .dsc = NULL, .ref = NULL, .when = NULL, .iffeatures = NULL, .exts = NULL,
3925 .refines = NULL, .augments = NULL
3926 };
3927 struct lysc_node_container fake_container = {
3928 .nodetype = LYS_CONTAINER,
Michal Vasko7a88a4e2022-01-24 08:45:44 +01003929 .flags = cont_flags,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003930 .module = ctx->cur_mod,
Michal Vaskobd6de2b2020-10-22 14:45:03 +02003931 .parent = NULL, .next = NULL,
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003932 .prev = &fake_container.node,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003933 .name = "fake",
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01003934 .dsc = NULL, .ref = NULL, .exts = NULL, .when = NULL,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003935 .child = NULL, .musts = NULL, .actions = NULL, .notifs = NULL
3936 };
3937
3938 if (grp->parent) {
3939 LOGWRN(ctx->ctx, "Locally scoped grouping \"%s\" not used.", grp->name);
3940 }
3941
3942 len = lys_compile_grouping_pathlog(ctx, grp->parent, &path);
3943 if (len < 0) {
3944 LOGMEM(ctx->ctx);
3945 return LY_EMEM;
3946 }
3947 strncpy(ctx->path, path, LYSC_CTX_BUFSIZE - 1);
3948 ctx->path_len = (uint32_t)len;
3949 free(path);
3950
3951 lysc_update_path(ctx, NULL, "{grouping}");
3952 lysc_update_path(ctx, NULL, grp->name);
Michal Vasko14ed9cd2021-01-28 14:16:25 +01003953 ret = lys_compile_uses(ctx, &fake_uses, &fake_container.node, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003954 lysc_update_path(ctx, NULL, NULL);
3955 lysc_update_path(ctx, NULL, NULL);
3956
3957 ctx->path_len = 1;
3958 ctx->path[1] = '\0';
3959
3960 /* cleanup */
3961 lysc_node_container_free(ctx->ctx, &fake_container);
3962
3963 return ret;
3964}
3965
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003966LY_ERR
3967lys_compile_node(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *parent, uint16_t uses_status,
3968 struct ly_set *child_set)
3969{
3970 LY_ERR ret = LY_SUCCESS;
3971 struct lysc_node *node = NULL;
Michal Vasko7c565922021-06-10 14:58:27 +02003972 uint32_t prev_opts = ctx->compile_opts;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003973
3974 LY_ERR (*node_compile_spec)(struct lysc_ctx *, struct lysp_node *, struct lysc_node *);
3975
3976 if (pnode->nodetype != LYS_USES) {
Radek Krejcia6016992021-03-03 10:13:41 +01003977 lysc_update_path(ctx, parent ? parent->module : NULL, pnode->name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02003978 } else {
3979 lysc_update_path(ctx, NULL, "{uses}");
3980 lysc_update_path(ctx, NULL, pnode->name);
3981 }
3982
3983 switch (pnode->nodetype) {
3984 case LYS_CONTAINER:
3985 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_container));
3986 node_compile_spec = lys_compile_node_container;
3987 break;
3988 case LYS_LEAF:
3989 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_leaf));
3990 node_compile_spec = lys_compile_node_leaf;
3991 break;
3992 case LYS_LIST:
3993 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_list));
3994 node_compile_spec = lys_compile_node_list;
3995 break;
3996 case LYS_LEAFLIST:
3997 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_leaflist));
3998 node_compile_spec = lys_compile_node_leaflist;
3999 break;
4000 case LYS_CHOICE:
4001 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_choice));
4002 node_compile_spec = lys_compile_node_choice;
4003 break;
4004 case LYS_CASE:
4005 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_case));
4006 node_compile_spec = lys_compile_node_case;
4007 break;
4008 case LYS_ANYXML:
4009 case LYS_ANYDATA:
4010 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_anydata));
4011 node_compile_spec = lys_compile_node_any;
4012 break;
Radek Krejci2a9fc652021-01-22 17:44:34 +01004013 case LYS_RPC:
4014 case LYS_ACTION:
Michal Vasko7c565922021-06-10 14:58:27 +02004015 if (ctx->compile_opts & (LYS_IS_INPUT | LYS_IS_OUTPUT | LYS_IS_NOTIF)) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01004016 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
4017 "Action \"%s\" is placed inside %s.", pnode->name,
Michal Vasko7c565922021-06-10 14:58:27 +02004018 (ctx->compile_opts & LYS_IS_NOTIF) ? "notification" : "another RPC/action");
Radek Krejci2a9fc652021-01-22 17:44:34 +01004019 return LY_EVALID;
4020 }
4021 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_action));
4022 node_compile_spec = lys_compile_node_action;
Michal Vasko7c565922021-06-10 14:58:27 +02004023 ctx->compile_opts |= LYS_COMPILE_NO_CONFIG;
Radek Krejci2a9fc652021-01-22 17:44:34 +01004024 break;
4025 case LYS_NOTIF:
Michal Vasko7c565922021-06-10 14:58:27 +02004026 if (ctx->compile_opts & (LYS_IS_INPUT | LYS_IS_OUTPUT | LYS_IS_NOTIF)) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01004027 LOGVAL(ctx->ctx, LYVE_SEMANTICS,
4028 "Notification \"%s\" is placed inside %s.", pnode->name,
Michal Vasko7c565922021-06-10 14:58:27 +02004029 (ctx->compile_opts & LYS_IS_NOTIF) ? "another notification" : "RPC/action");
Radek Krejci2a9fc652021-01-22 17:44:34 +01004030 return LY_EVALID;
4031 }
4032 node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_notif));
4033 node_compile_spec = lys_compile_node_notif;
Michal Vasko7c565922021-06-10 14:58:27 +02004034 ctx->compile_opts |= LYS_COMPILE_NOTIFICATION;
Radek Krejci2a9fc652021-01-22 17:44:34 +01004035 break;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02004036 case LYS_USES:
4037 ret = lys_compile_uses(ctx, (struct lysp_node_uses *)pnode, parent, child_set);
4038 lysc_update_path(ctx, NULL, NULL);
4039 lysc_update_path(ctx, NULL, NULL);
4040 return ret;
4041 default:
4042 LOGINT(ctx->ctx);
4043 return LY_EINT;
4044 }
4045 LY_CHECK_ERR_RET(!node, LOGMEM(ctx->ctx), LY_EMEM);
4046
Radek Krejci2a9fc652021-01-22 17:44:34 +01004047 ret = lys_compile_node_(ctx, pnode, parent, uses_status, node_compile_spec, node, child_set);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02004048
Michal Vasko7c565922021-06-10 14:58:27 +02004049 ctx->compile_opts = prev_opts;
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01004050 lysc_update_path(ctx, NULL, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02004051 return ret;
4052}