blob: c2f120e7cfad103193100588626fa95a70a74c63 [file] [log] [blame]
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001/**
2 * @file schema_compile.c
3 * @author Radek Krejci <rkrejci@cesnet.cz>
Michal Vasko19a09022021-06-15 11:54:08 +02004 * @author Michal Vasko <mvasko@cesnet.cz>
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02005 * @brief Schema compilation.
6 *
Michal Vasko19a09022021-06-15 11:54:08 +02007 * Copyright (c) 2015 - 2021 CESNET, z.s.p.o.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02008 *
9 * This source code is licensed under BSD 3-Clause License (the "License").
10 * You may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
12 *
13 * https://opensource.org/licenses/BSD-3-Clause
14 */
15
16#define _GNU_SOURCE
17
18#include "schema_compile.h"
19
20#include <assert.h>
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020021#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"
29#include "context.h"
30#include "dict.h"
Michal Vaskoafac7822020-10-20 14:22:26 +020031#include "in.h"
Radek Krejci47fab892020-11-05 17:02:41 +010032#include "log.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020033#include "parser_schema.h"
34#include "path.h"
Radek Krejci0aa1f702021-04-01 16:16:19 +020035#include "plugins.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020036#include "plugins_exts.h"
Radek Krejci77114102021-03-10 15:21:57 +010037#include "plugins_exts_compile.h"
Radek Krejci3e6632f2021-03-22 22:08:21 +010038#include "plugins_internal.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020039#include "plugins_types.h"
40#include "schema_compile_amend.h"
41#include "schema_compile_node.h"
Michal Vasko7b1ad1a2020-11-02 15:41:27 +010042#include "schema_features.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020043#include "set.h"
44#include "tree.h"
45#include "tree_data.h"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020046#include "tree_schema.h"
47#include "tree_schema_internal.h"
48#include "xpath.h"
49
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020050/**
51 * @brief Fill in the prepared compiled extensions definition structure according to the parsed extension definition.
52 */
53static LY_ERR
54lys_compile_extension(struct lysc_ctx *ctx, const struct lys_module *ext_mod, struct lysp_ext *ext_p, struct lysc_ext **ext)
55{
56 LY_ERR ret = LY_SUCCESS;
57
Radek Krejci720d2612021-03-03 19:44:22 +010058 if (ext_p->compiled && (ext_p->compiled->refcount == 1)) {
59 /* context recompilation - all the extension instances were previously freed (the last link to the compiled extension
60 * remains from the parsed extension definition) and now we are recompiling them again, to have the up-to-date
61 * extension definition, we have to recompile it as well now */
62 lysc_extension_free(ctx->ctx, &ext_p->compiled);
63 }
64
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020065 if (!ext_p->compiled) {
66 lysc_update_path(ctx, NULL, "{extension}");
67 lysc_update_path(ctx, NULL, ext_p->name);
68
69 /* compile the extension definition */
70 ext_p->compiled = calloc(1, sizeof **ext);
71 ext_p->compiled->refcount = 1;
72 DUP_STRING_GOTO(ctx->ctx, ext_p->name, ext_p->compiled->name, ret, done);
Radek Krejci9f87b0c2021-03-05 14:45:26 +010073 DUP_STRING_GOTO(ctx->ctx, ext_p->argname, ext_p->compiled->argname, ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020074 ext_p->compiled->module = (struct lys_module *)ext_mod;
Radek Krejciab430862021-03-02 20:13:40 +010075 COMPILE_EXTS_GOTO(ctx, ext_p->exts, ext_p->compiled->exts, *ext, ret, done);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020076
77 lysc_update_path(ctx, NULL, NULL);
78 lysc_update_path(ctx, NULL, NULL);
79
80 /* find extension definition plugin */
Radek Krejci3e6632f2021-03-22 22:08:21 +010081 ext_p->compiled->plugin = lyplg_find(LYPLG_EXTENSION, ext_p->compiled->module->name,
82 ext_p->compiled->module->revision, ext_p->compiled->name);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020083 }
84
85 *ext = lysc_ext_dup(ext_p->compiled);
86
87done:
Radek Krejci2efc45b2020-12-22 16:25:44 +010088 if (ret) {
89 lysc_update_path(ctx, NULL, NULL);
90 lysc_update_path(ctx, NULL, NULL);
91 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020092 return ret;
93}
94
95LY_ERR
96lys_compile_ext(struct lysc_ctx *ctx, struct lysp_ext_instance *ext_p, struct lysc_ext_instance *ext, void *parent,
Radek Krejciab430862021-03-02 20:13:40 +010097 const struct lys_module *ext_mod)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +020098{
Radek Krejci85ac8312021-03-03 20:21:33 +010099 LY_ERR ret = LY_SUCCESS;
100 struct lysp_ext *ext_def;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200101
Radek Krejciab430862021-03-02 20:13:40 +0100102 ext->parent_stmt = ext_p->parent_stmt;
103 ext->parent_stmt_index = ext_p->parent_stmt_index;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200104 ext->module = ctx->cur_mod;
105 ext->parent = parent;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200106
Radek Krejciab430862021-03-02 20:13:40 +0100107 lysc_update_path(ctx, LY_STMT_IS_NODE(ext->parent_stmt) ? ((struct lysc_node *)ext->parent)->module : NULL, "{extension}");
Michal Vaskofc2cd072021-02-24 13:17:17 +0100108 lysc_update_path(ctx, NULL, ext_p->name);
109
Radek Krejci85ac8312021-03-03 20:21:33 +0100110 LY_CHECK_GOTO(ret = lysp_ext_find_definition(ctx->ctx, ext_p, &ext_mod, &ext_def), cleanup);
111 LY_CHECK_GOTO(ret = lys_compile_extension(ctx, ext_mod, ext_def, &ext->def), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200112
Radek Krejci9f87b0c2021-03-05 14:45:26 +0100113 if (ext_def->argname) {
Radek Krejci85ac8312021-03-03 20:21:33 +0100114 LY_CHECK_GOTO(ret = lysp_ext_instance_resolve_argument(ctx->ctx, ext_p, ext_def), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200115 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200116
Radek Krejci85ac8312021-03-03 20:21:33 +0100117 DUP_STRING(ctx->ctx, ext_p->argument, ext->argument, ret);
118 LY_CHECK_RET(ret);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200119
120 if (ext->def->plugin && ext->def->plugin->compile) {
121 if (ext->argument) {
Radek Krejcia6016992021-03-03 10:13:41 +0100122 lysc_update_path(ctx, ext->module, ext->argument);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200123 }
Michal Vaskofc2cd072021-02-24 13:17:17 +0100124 ret = ext->def->plugin->compile(ctx, ext_p, ext);
Radek Krejcicc21a4f2021-02-09 15:23:31 +0100125 if (ret == LY_ENOT) {
126 lysc_ext_instance_free(ctx->ctx, ext);
127 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200128 if (ext->argument) {
129 lysc_update_path(ctx, NULL, NULL);
130 }
Michal Vaskofc2cd072021-02-24 13:17:17 +0100131 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200132 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200133
134cleanup:
Radek Krejci2efc45b2020-12-22 16:25:44 +0100135 lysc_update_path(ctx, NULL, NULL);
Michal Vaskofc2cd072021-02-24 13:17:17 +0100136 lysc_update_path(ctx, NULL, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200137
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200138 return ret;
139}
140
141struct lysc_ext *
142lysc_ext_dup(struct lysc_ext *orig)
143{
144 ++orig->refcount;
145 return orig;
146}
147
Radek Krejcidab4f0b2021-03-29 14:07:18 +0200148API LY_ERR
Radek Krejci1b2eef82021-02-17 11:17:27 +0100149lysc_ext_substmt(const struct lysc_ext_instance *ext, enum ly_stmt substmt, void **instance_p, enum ly_stmt_cardinality *cardinality_p)
150{
151 LY_ARRAY_COUNT_TYPE u;
152
153 LY_ARRAY_FOR(ext->substmts, u) {
Radek Krejci61837f72021-03-02 19:53:59 +0100154 if (LY_STMT_IS_DATA_NODE(substmt)) {
155 if (!LY_STMT_IS_DATA_NODE(ext->substmts[u].stmt)) {
Radek Krejci1b2eef82021-02-17 11:17:27 +0100156 continue;
157 }
158 } else if (LY_STMT_IS_OP(substmt)) {
159 if (!LY_STMT_IS_OP(ext->substmts[u].stmt)) {
160 continue;
161 }
162 } else if (ext->substmts[u].stmt != substmt) {
163 continue;
164 }
165
166 /* match */
167 if (cardinality_p) {
168 *cardinality_p = ext->substmts[u].cardinality;
169 }
170 if (instance_p) {
171 *instance_p = ext->substmts[u].storage;
172 }
173 return LY_SUCCESS;
174 }
175
176 return LY_ENOT;
177}
178
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200179static void
180lysc_unres_dflt_free(const struct ly_ctx *ctx, struct lysc_unres_dflt *r)
181{
182 assert(!r->dflt || !r->dflts);
183 if (r->dflt) {
184 lysp_qname_free((struct ly_ctx *)ctx, r->dflt);
185 free(r->dflt);
186 } else {
187 FREE_ARRAY((struct ly_ctx *)ctx, r->dflts, lysp_qname_free);
188 }
189 free(r);
190}
191
192void
Radek Krejcia6016992021-03-03 10:13:41 +0100193lysc_update_path(struct lysc_ctx *ctx, struct lys_module *parent_module, const char *name)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200194{
195 int len;
196 uint8_t nextlevel = 0; /* 0 - no starttag, 1 - '/' starttag, 2 - '=' starttag + '}' endtag */
197
198 if (!name) {
199 /* removing last path segment */
200 if (ctx->path[ctx->path_len - 1] == '}') {
201 for ( ; ctx->path[ctx->path_len] != '=' && ctx->path[ctx->path_len] != '{'; --ctx->path_len) {}
202 if (ctx->path[ctx->path_len] == '=') {
203 ctx->path[ctx->path_len++] = '}';
204 } else {
205 /* not a top-level special tag, remove also preceiding '/' */
206 goto remove_nodelevel;
207 }
208 } else {
209remove_nodelevel:
210 for ( ; ctx->path[ctx->path_len] != '/'; --ctx->path_len) {}
211 if (ctx->path_len == 0) {
212 /* top-level (last segment) */
213 ctx->path_len = 1;
214 }
215 }
216 /* set new terminating NULL-byte */
217 ctx->path[ctx->path_len] = '\0';
218 } else {
219 if (ctx->path_len > 1) {
Radek Krejcia6016992021-03-03 10:13:41 +0100220 if (!parent_module && (ctx->path[ctx->path_len - 1] == '}') && (ctx->path[ctx->path_len - 2] != '\'')) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200221 /* extension of the special tag */
222 nextlevel = 2;
223 --ctx->path_len;
224 } else {
225 /* there is already some path, so add next level */
226 nextlevel = 1;
227 }
228 } /* else the path is just initiated with '/', so do not add additional slash in case of top-level nodes */
229
230 if (nextlevel != 2) {
Radek Krejcia6016992021-03-03 10:13:41 +0100231 if ((parent_module && (parent_module == ctx->cur_mod)) || (!parent_module && (ctx->path_len > 1) && (name[0] == '{'))) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200232 /* module not changed, print the name unprefixed */
233 len = snprintf(&ctx->path[ctx->path_len], LYSC_CTX_BUFSIZE - ctx->path_len, "%s%s", nextlevel ? "/" : "", name);
234 } else {
235 len = snprintf(&ctx->path[ctx->path_len], LYSC_CTX_BUFSIZE - ctx->path_len, "%s%s:%s", nextlevel ? "/" : "", ctx->cur_mod->name, name);
236 }
237 } else {
238 len = snprintf(&ctx->path[ctx->path_len], LYSC_CTX_BUFSIZE - ctx->path_len, "='%s'}", name);
239 }
240 if (len >= LYSC_CTX_BUFSIZE - (int)ctx->path_len) {
241 /* output truncated */
242 ctx->path_len = LYSC_CTX_BUFSIZE - 1;
243 } else {
244 ctx->path_len += len;
245 }
246 }
Radek Krejci2efc45b2020-12-22 16:25:44 +0100247
Radek Krejciddace2c2021-01-08 11:30:56 +0100248 LOG_LOCBACK(0, 0, 1, 0);
249 LOG_LOCSET(NULL, NULL, ctx->path, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200250}
251
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200252LY_ERR
253lys_identity_precompile(struct lysc_ctx *ctx_sc, struct ly_ctx *ctx, struct lysp_module *parsed_mod,
254 struct lysp_ident *identities_p, struct lysc_ident **identities)
255{
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100256 LY_ARRAY_COUNT_TYPE u;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200257 struct lysc_ctx context = {0};
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100258 struct lysc_ident *ident;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200259 LY_ERR ret = LY_SUCCESS;
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100260 ly_bool enabled;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200261
262 assert(ctx_sc || ctx);
263
264 if (!ctx_sc) {
265 context.ctx = ctx;
Radek Krejci3aac9a72020-12-01 12:24:26 +0100266 context.cur_mod = parsed_mod ? parsed_mod->mod : NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200267 context.pmod = parsed_mod;
268 context.path_len = 1;
269 context.path[0] = '/';
270 ctx_sc = &context;
271 }
272
273 if (!identities_p) {
274 return LY_SUCCESS;
275 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200276
277 lysc_update_path(ctx_sc, NULL, "{identity}");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200278 LY_ARRAY_FOR(identities_p, u) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100279 /* evaluate if-features */
280 LY_CHECK_RET(lys_eval_iffeatures(ctx, identities_p[u].iffeatures, &enabled));
281 if (!enabled) {
282 continue;
283 }
284
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200285 lysc_update_path(ctx_sc, NULL, identities_p[u].name);
286
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100287 /* add new compiled identity */
288 LY_ARRAY_NEW_RET(ctx_sc->ctx, *identities, ident, LY_EMEM);
289
290 DUP_STRING_GOTO(ctx_sc->ctx, identities_p[u].name, ident->name, ret, done);
291 DUP_STRING_GOTO(ctx_sc->ctx, identities_p[u].dsc, ident->dsc, ret, done);
292 DUP_STRING_GOTO(ctx_sc->ctx, identities_p[u].ref, ident->ref, ret, done);
293 ident->module = ctx_sc->cur_mod;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200294 /* backlinks (derived) can be added no sooner than when all the identities in the current module are present */
Radek Krejciab430862021-03-02 20:13:40 +0100295 COMPILE_EXTS_GOTO(ctx_sc, identities_p[u].exts, ident->exts, ident, ret, done);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100296 ident->flags = identities_p[u].flags;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200297
298 lysc_update_path(ctx_sc, NULL, NULL);
299 }
300 lysc_update_path(ctx_sc, NULL, NULL);
301done:
302 return ret;
303}
304
305/**
306 * @brief Check circular dependency of identities - identity MUST NOT reference itself (via their base statement).
307 *
308 * The function works in the same way as lys_compile_feature_circular_check() with different structures and error messages.
309 *
310 * @param[in] ctx Compile context for logging.
311 * @param[in] ident The base identity (its derived list is being extended by the identity being currently processed).
312 * @param[in] derived The list of derived identities of the identity being currently processed (not the one provided as @p ident)
313 * @return LY_SUCCESS if everything is ok.
314 * @return LY_EVALID if the identity is derived from itself.
315 */
316static LY_ERR
317lys_compile_identity_circular_check(struct lysc_ctx *ctx, struct lysc_ident *ident, struct lysc_ident **derived)
318{
319 LY_ERR ret = LY_SUCCESS;
320 LY_ARRAY_COUNT_TYPE u, v;
321 struct ly_set recursion = {0};
322 struct lysc_ident *drv;
323
324 if (!derived) {
325 return LY_SUCCESS;
326 }
327
328 for (u = 0; u < LY_ARRAY_COUNT(derived); ++u) {
329 if (ident == derived[u]) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100330 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200331 "Identity \"%s\" is indirectly derived from itself.", ident->name);
332 ret = LY_EVALID;
333 goto cleanup;
334 }
335 ret = ly_set_add(&recursion, derived[u], 0, NULL);
336 LY_CHECK_GOTO(ret, cleanup);
337 }
338
339 for (v = 0; v < recursion.count; ++v) {
340 drv = recursion.objs[v];
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200341 for (u = 0; u < LY_ARRAY_COUNT(drv->derived); ++u) {
342 if (ident == drv->derived[u]) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100343 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200344 "Identity \"%s\" is indirectly derived from itself.", ident->name);
345 ret = LY_EVALID;
346 goto cleanup;
347 }
348 ret = ly_set_add(&recursion, drv->derived[u], 0, NULL);
349 LY_CHECK_GOTO(ret, cleanup);
350 }
351 }
352
353cleanup:
354 ly_set_erase(&recursion, NULL);
355 return ret;
356}
357
358LY_ERR
359lys_compile_identity_bases(struct lysc_ctx *ctx, const struct lysp_module *base_pmod, const char **bases_p,
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100360 struct lysc_ident *ident, struct lysc_ident ***bases, ly_bool *enabled)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200361{
362 LY_ARRAY_COUNT_TYPE u, v;
363 const char *s, *name;
364 const struct lys_module *mod;
365 struct lysc_ident **idref;
366
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100367 assert((ident && enabled) || bases);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200368
369 if ((LY_ARRAY_COUNT(bases_p) > 1) && (ctx->pmod->version < LYS_VERSION_1_1)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100370 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200371 "Multiple bases in %s are allowed only in YANG 1.1 modules.", ident ? "identity" : "identityref type");
372 return LY_EVALID;
373 }
374
375 LY_ARRAY_FOR(bases_p, u) {
376 s = strchr(bases_p[u], ':');
377 if (s) {
378 /* prefixed identity */
379 name = &s[1];
Radek Krejci8df109d2021-04-23 12:19:08 +0200380 mod = ly_resolve_prefix(ctx->ctx, bases_p[u], s - bases_p[u], LY_VALUE_SCHEMA, (void *)base_pmod);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200381 } else {
382 name = bases_p[u];
383 mod = base_pmod->mod;
384 }
385 if (!mod) {
386 if (ident) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100387 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200388 "Invalid prefix used for base (%s) of identity \"%s\".", bases_p[u], ident->name);
389 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100390 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200391 "Invalid prefix used for base (%s) of identityref.", bases_p[u]);
392 }
393 return LY_EVALID;
394 }
395
396 idref = NULL;
397 LY_ARRAY_FOR(mod->identities, v) {
398 if (!strcmp(name, mod->identities[v].name)) {
399 if (ident) {
400 if (ident == &mod->identities[v]) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100401 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200402 "Identity \"%s\" is derived from itself.", ident->name);
403 return LY_EVALID;
404 }
405 LY_CHECK_RET(lys_compile_identity_circular_check(ctx, &mod->identities[v], ident->derived));
406 /* we have match! store the backlink */
407 LY_ARRAY_NEW_RET(ctx->ctx, mod->identities[v].derived, idref, LY_EMEM);
408 *idref = ident;
409 } else {
410 /* we have match! store the found identity */
411 LY_ARRAY_NEW_RET(ctx->ctx, *bases, idref, LY_EMEM);
412 *idref = &mod->identities[v];
413 }
414 break;
415 }
416 }
417 if (!idref || !(*idref)) {
Michal Vasko7c565922021-06-10 14:58:27 +0200418 if (ident || (ctx->compile_opts & LYS_COMPILE_DISABLED)) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100419 /* look into the parsed module to check whether the identity is not merely disabled */
420 LY_ARRAY_FOR(mod->parsed->identities, v) {
421 if (!strcmp(mod->parsed->identities[v].name, name)) {
Radek Krejci10443f42021-03-28 17:40:35 +0200422 if (ident) {
423 *enabled = 0;
424 }
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100425 return LY_SUCCESS;
426 }
427 }
Radek Krejci10443f42021-03-28 17:40:35 +0200428 }
429 if (ident) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100430 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200431 "Unable to find base (%s) of identity \"%s\".", bases_p[u], ident->name);
432 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100433 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200434 "Unable to find base (%s) of identityref.", bases_p[u]);
435 }
436 return LY_EVALID;
437 }
438 }
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100439
440 if (ident) {
441 *enabled = 1;
442 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200443 return LY_SUCCESS;
444}
445
446/**
447 * @brief For the given array of identities, set the backlinks from all their base identities.
448 * @param[in] ctx Compile context, not only for logging but also to get the current module to resolve prefixes.
449 * @param[in] idents_p Array of identities definitions from the parsed schema structure.
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100450 * @param[in,out] idents Array of referencing identities to which the backlinks are supposed to be set. Any
451 * identities with disabled bases are removed.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200452 * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
453 */
454static LY_ERR
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100455lys_compile_identities_derived(struct lysc_ctx *ctx, struct lysp_ident *idents_p, struct lysc_ident **idents)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200456{
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100457 LY_ARRAY_COUNT_TYPE u, v;
458 ly_bool enabled;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200459
460 lysc_update_path(ctx, NULL, "{identity}");
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100461
462restart:
Radek Krejcic7d13e32020-12-09 12:32:24 +0100463 for (u = 0, v = 0; u < LY_ARRAY_COUNT(*idents); ++u) {
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100464 /* find matching parsed identity, the disabled ones are missing in the compiled array */
465 while (v < LY_ARRAY_COUNT(idents_p)) {
466 if (idents_p[v].name == (*idents)[u].name) {
467 break;
468 }
469 ++v;
470 }
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100471
Michal Vaskodc6f84c2021-06-15 14:50:27 +0200472 if ((v == LY_ARRAY_COUNT(idents_p)) || !idents_p[v].bases) {
473 /* identity not found (it may be from a submodule) or identity without bases */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200474 continue;
475 }
Michal Vaskodc6f84c2021-06-15 14:50:27 +0200476
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100477 lysc_update_path(ctx, NULL, (*idents)[u].name);
Michal Vaskofc0dc522021-06-15 15:27:34 +0200478 LY_CHECK_RET(lys_compile_identity_bases(ctx, ctx->pmod, idents_p[v].bases, &(*idents)[u], NULL, &enabled));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200479 lysc_update_path(ctx, NULL, NULL);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100480
481 if (!enabled) {
482 /* remove the identity */
483 lysc_ident_free(ctx->ctx, &(*idents)[u]);
484 LY_ARRAY_DECREMENT(*idents);
485 if (u < LY_ARRAY_COUNT(*idents)) {
486 memmove(&(*idents)[u], &(*idents)[u + 1], (LY_ARRAY_COUNT(*idents) - u) * sizeof **idents);
487 }
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100488
489 /* revert compilation of all the previous identities */
490 for (v = 0; v < u; ++v) {
491 LY_ARRAY_FREE((*idents)[v].derived);
Radek Krejci454820e2021-03-28 17:57:45 +0200492 (*idents)[v].derived = NULL;
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100493 }
494
Michal Vasko74c82ae2020-11-03 17:36:53 +0100495 /* free the whole array if there are no identites left */
496 if (!LY_ARRAY_COUNT(*idents)) {
497 LY_ARRAY_FREE(*idents);
498 *idents = NULL;
499 }
500
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100501 /* restart the whole process without this identity */
502 goto restart;
503 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200504 }
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100505
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200506 lysc_update_path(ctx, NULL, NULL);
507 return LY_SUCCESS;
508}
509
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200510static void *
511lys_compile_extension_instance_storage(enum ly_stmt stmt, struct lysc_ext_substmt *substmts)
512{
513 for (LY_ARRAY_COUNT_TYPE u = 0; substmts[u].stmt; ++u) {
514 if (substmts[u].stmt == stmt) {
515 return substmts[u].storage;
516 }
517 }
518 return NULL;
519}
520
521LY_ERR
Radek Krejci6b88a462021-02-17 12:39:34 +0100522lys_compile_extension_instance(struct lysc_ctx *ctx, const struct lysp_ext_instance *ext_p, struct lysc_ext_instance *ext)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200523{
aPiecek1c4da362021-04-29 14:26:34 +0200524 LY_ERR ret = LY_SUCCESS, r;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200525 LY_ARRAY_COUNT_TYPE u;
526 struct lysp_stmt *stmt;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200527 void *parsed = NULL, **compiled = NULL;
528
529 /* check for invalid substatements */
Radek Krejci6b88a462021-02-17 12:39:34 +0100530 for (stmt = ext_p->child; stmt; stmt = stmt->next) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200531 if (stmt->flags & (LYS_YIN_ATTR | LYS_YIN_ARGUMENT)) {
532 continue;
533 }
Radek Krejci6b88a462021-02-17 12:39:34 +0100534 LY_ARRAY_FOR(ext->substmts, u) {
535 if (ext->substmts[u].stmt == stmt->kw) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200536 break;
537 }
538 }
Radek Krejci6b88a462021-02-17 12:39:34 +0100539 if (u == LY_ARRAY_COUNT(ext->substmts)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100540 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Invalid keyword \"%s\" as a child of \"%s%s%s\" extension instance.",
Radek Krejci6b88a462021-02-17 12:39:34 +0100541 stmt->stmt, ext_p->name, ext_p->argument ? " " : "", ext_p->argument ? ext_p->argument : "");
aPiecek1c4da362021-04-29 14:26:34 +0200542 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200543 goto cleanup;
544 }
545 }
546
547 /* TODO store inherited data, e.g. status first, but mark them somehow to allow to overwrite them and not detect duplicity */
548
Radek Krejci6b88a462021-02-17 12:39:34 +0100549 /* note into the compile context that we are processing extension now */
550 ctx->ext = ext;
551
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200552 /* keep order of the processing the same as the order in the defined substmts,
553 * the order is important for some of the statements depending on others (e.g. type needs status and units) */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200554
Radek Krejci6b88a462021-02-17 12:39:34 +0100555 LY_ARRAY_FOR(ext->substmts, u) {
556 uint64_t stmt_counter = 0;
557
558 for (stmt = ext_p->child; stmt; stmt = stmt->next) {
559 if (ext->substmts[u].stmt != stmt->kw) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200560 continue;
561 }
562
Radek Krejci6b88a462021-02-17 12:39:34 +0100563 parsed = NULL;
564 stmt_counter++;
565 if (ext->substmts[u].storage) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200566 switch (stmt->kw) {
Radek Krejci6b88a462021-02-17 12:39:34 +0100567 case LY_STMT_ACTION:
568 case LY_STMT_ANYDATA:
569 case LY_STMT_ANYXML:
570 case LY_STMT_CONTAINER:
571 case LY_STMT_CHOICE:
572 case LY_STMT_LEAF:
573 case LY_STMT_LEAF_LIST:
574 case LY_STMT_LIST:
575 case LY_STMT_NOTIFICATION:
576 case LY_STMT_RPC:
577 case LY_STMT_USES:
aPiecek60d9d672021-04-27 15:49:57 +0200578 if (!ext_p->parsed) {
579 struct lysp_ext_instance *unconst_ext_p;
580 r = lysp_stmt_parse(ctx, stmt, &parsed, NULL);
581 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
582 unconst_ext_p = (struct lysp_ext_instance *)ext_p;
583 unconst_ext_p->parsed = parsed;
584 } else {
585 struct lysp_node *node, *last_node;
586 /* get last parsed node */
587 LY_LIST_FOR(ext_p->parsed, node) {
588 last_node = node;
589 }
590 /* create and link sibling */
591 r = lysp_stmt_parse(ctx, stmt, &parsed, NULL);
592 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
593 last_node->next = parsed;
594 }
Radek Krejci6b88a462021-02-17 12:39:34 +0100595
596 /* set storage as an alternative document root in the compile context */
597 r = lys_compile_node(ctx, parsed, NULL, 0, NULL);
Radek Krejci6b88a462021-02-17 12:39:34 +0100598 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200599 break;
Radek Krejci1b2eef82021-02-17 11:17:27 +0100600 case LY_STMT_DESCRIPTION:
601 case LY_STMT_REFERENCE:
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200602 case LY_STMT_UNITS: {
Radek Krejci6b88a462021-02-17 12:39:34 +0100603 const char **str_p;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200604
Radek Krejci6b88a462021-02-17 12:39:34 +0100605 if (ext->substmts[u].cardinality < LY_STMT_CARD_SOME) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200606 /* single item */
Radek Krejci6b88a462021-02-17 12:39:34 +0100607 if (*((const char **)ext->substmts[u].storage)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100608 LOGVAL(ctx->ctx, LY_VCODE_DUPSTMT, stmt->stmt);
aPiecek1c4da362021-04-29 14:26:34 +0200609 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200610 goto cleanup;
611 }
Radek Krejci6b88a462021-02-17 12:39:34 +0100612 str_p = (const char **)ext->substmts[u].storage;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200613 } else {
614 /* sized array */
Radek Krejci6b88a462021-02-17 12:39:34 +0100615 const char ***strings_array = (const char ***)ext->substmts[u].storage;
616 LY_ARRAY_NEW_GOTO(ctx->ctx, *strings_array, str_p, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200617 }
Radek Krejci6b88a462021-02-17 12:39:34 +0100618 r = lydict_insert(ctx->ctx, stmt->arg, 0, str_p);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200619 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
620 break;
621 }
Radek Krejci6b88a462021-02-17 12:39:34 +0100622 case LY_STMT_IF_FEATURE: {
623 ly_bool enabled;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200624
Radek Krejci76c8c4e2021-02-17 10:16:48 +0100625 r = lysp_stmt_parse(ctx, stmt, &parsed, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200626 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
Radek Krejci6b88a462021-02-17 12:39:34 +0100627
628 r = lys_eval_iffeatures(ctx->ctx, parsed, &enabled);
629 FREE_ARRAY(ctx->ctx, (struct lysp_qname *)parsed, lysp_qname_free);
Michal Vasko7b1ad1a2020-11-02 15:41:27 +0100630 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
631 if (!enabled) {
632 /* it is disabled, remove the whole extension instance */
633 return LY_ENOT;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200634 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200635 break;
Radek Krejci6b88a462021-02-17 12:39:34 +0100636 }
637 case LY_STMT_STATUS:
638 assert(ext->substmts[u].cardinality < LY_STMT_CARD_SOME);
639 LY_CHECK_ERR_GOTO(r = lysp_stmt_parse(ctx, stmt, &ext->substmts[u].storage, /* TODO */ NULL), ret = r, cleanup);
640 break;
641 case LY_STMT_TYPE: {
642 uint16_t *flags = lys_compile_extension_instance_storage(LY_STMT_STATUS, ext->substmts);
643 const char **units = lys_compile_extension_instance_storage(LY_STMT_UNITS, ext->substmts);
644
645 if (ext->substmts[u].cardinality < LY_STMT_CARD_SOME) {
646 /* single item */
647 if (*(struct lysc_type **)ext->substmts[u].storage) {
648 LOGVAL(ctx->ctx, LY_VCODE_DUPSTMT, stmt->stmt);
aPiecek1c4da362021-04-29 14:26:34 +0200649 ret = LY_EVALID;
Radek Krejci6b88a462021-02-17 12:39:34 +0100650 goto cleanup;
651 }
652 compiled = ext->substmts[u].storage;
653 } else {
654 /* sized array */
655 struct lysc_type ***types = (struct lysc_type ***)ext->substmts[u].storage, **type = NULL;
656 LY_ARRAY_NEW_GOTO(ctx->ctx, *types, type, ret, cleanup);
657 compiled = (void *)type;
658 }
659
660 r = lysp_stmt_parse(ctx, stmt, &parsed, NULL);
661 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
662 r = lys_compile_type(ctx, NULL, flags ? *flags : 0, ext_p->name, parsed, (struct lysc_type **)compiled,
663 units && !*units ? units : NULL, NULL);
664 lysp_type_free(ctx->ctx, parsed);
665 free(parsed);
666 LY_CHECK_ERR_GOTO(r, ret = r, cleanup);
667 break;
668 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200669 /* TODO support other substatements (parse stmt to lysp and then compile lysp to lysc),
670 * also note that in many statements their extensions are not taken into account */
671 default:
Radek Krejci2efc45b2020-12-22 16:25:44 +0100672 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Statement \"%s\" is not supported as an extension (found in \"%s%s%s\") substatement.",
Radek Krejci6b88a462021-02-17 12:39:34 +0100673 stmt->stmt, ext_p->name, ext_p->argument ? " " : "", ext_p->argument ? ext_p->argument : "");
aPiecek1c4da362021-04-29 14:26:34 +0200674 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200675 goto cleanup;
676 }
677 }
678 }
679
Radek Krejci6b88a462021-02-17 12:39:34 +0100680 if (((ext->substmts[u].cardinality == LY_STMT_CARD_MAND) || (ext->substmts[u].cardinality == LY_STMT_CARD_SOME)) && !stmt_counter) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100681 LOGVAL(ctx->ctx, LYVE_SYNTAX_YANG, "Missing mandatory keyword \"%s\" as a child of \"%s%s%s\".",
Radek Krejci6b88a462021-02-17 12:39:34 +0100682 ly_stmt2str(ext->substmts[u].stmt), ext_p->name, ext_p->argument ? " " : "", ext_p->argument ? ext_p->argument : "");
aPiecek1c4da362021-04-29 14:26:34 +0200683 ret = LY_EVALID;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200684 goto cleanup;
685 }
686 }
687
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200688cleanup:
Radek Krejci6b88a462021-02-17 12:39:34 +0100689 ctx->ext = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200690 return ret;
691}
692
693/**
694 * @brief Check when for cyclic dependencies.
695 *
696 * @param[in] set Set with all the referenced nodes.
697 * @param[in] node Node whose "when" referenced nodes are in @p set.
698 * @return LY_ERR value
699 */
700static LY_ERR
701lys_compile_unres_when_cyclic(struct lyxp_set *set, const struct lysc_node *node)
702{
703 struct lyxp_set tmp_set;
704 struct lyxp_set_scnode *xp_scnode;
705 uint32_t i, j;
706 LY_ARRAY_COUNT_TYPE u;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200707 LY_ERR ret = LY_SUCCESS;
708
709 memset(&tmp_set, 0, sizeof tmp_set);
710
711 /* prepare in_ctx of the set */
712 for (i = 0; i < set->used; ++i) {
713 xp_scnode = &set->val.scnodes[i];
714
Radek Krejcif13b87b2020-12-01 22:02:17 +0100715 if (xp_scnode->in_ctx != LYXP_SET_SCNODE_START_USED) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200716 /* check node when, skip the context node (it was just checked) */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100717 xp_scnode->in_ctx = LYXP_SET_SCNODE_ATOM_CTX;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200718 }
719 }
720
721 for (i = 0; i < set->used; ++i) {
722 xp_scnode = &set->val.scnodes[i];
Radek Krejcif13b87b2020-12-01 22:02:17 +0100723 if (xp_scnode->in_ctx != LYXP_SET_SCNODE_ATOM_CTX) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200724 /* already checked */
725 continue;
726 }
727
Michal Vasko1a09b212021-05-06 13:00:10 +0200728 if ((xp_scnode->type != LYXP_NODE_ELEM) || !lysc_node_when(xp_scnode->scnode)) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200729 /* no when to check */
Michal Vasko1a09b212021-05-06 13:00:10 +0200730 xp_scnode->in_ctx = LYXP_SET_SCNODE_ATOM_NODE;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200731 continue;
732 }
733
734 node = xp_scnode->scnode;
735 do {
Radek Krejci9a3823e2021-01-27 20:26:46 +0100736 struct lysc_when **when_list, *when;
737
Radek Krejciddace2c2021-01-08 11:30:56 +0100738 LOG_LOCSET(node, NULL, NULL, NULL);
Radek Krejci9a3823e2021-01-27 20:26:46 +0100739 when_list = lysc_node_when(node);
740 LY_ARRAY_FOR(when_list, u) {
741 when = when_list[u];
Radek Krejci8df109d2021-04-23 12:19:08 +0200742 ret = lyxp_atomize(set->ctx, when->cond, node->module, LY_VALUE_SCHEMA_RESOLVED, when->prefixes,
Michal Vasko400e9672021-01-11 13:39:17 +0100743 when->context, &tmp_set, LYXP_SCNODE_SCHEMA);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200744 if (ret != LY_SUCCESS) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100745 LOGVAL(set->ctx, LYVE_SEMANTICS, "Invalid when condition \"%s\".", when->cond->expr);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200746 goto cleanup;
747 }
748
749 for (j = 0; j < tmp_set.used; ++j) {
750 /* skip roots'n'stuff */
751 if (tmp_set.val.scnodes[j].type == LYXP_NODE_ELEM) {
752 /* try to find this node in our set */
753 uint32_t idx;
Radek Krejcif13b87b2020-12-01 22:02:17 +0100754 if (lyxp_set_scnode_contains(set, tmp_set.val.scnodes[j].scnode, LYXP_NODE_ELEM, -1, &idx) &&
755 (set->val.scnodes[idx].in_ctx == LYXP_SET_SCNODE_START_USED)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100756 LOGVAL(set->ctx, LYVE_SEMANTICS, "When condition includes a self-reference.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200757 ret = LY_EVALID;
758 goto cleanup;
759 }
760
761 /* needs to be checked, if in both sets, will be ignored */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100762 tmp_set.val.scnodes[j].in_ctx = LYXP_SET_SCNODE_ATOM_CTX;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200763 } else {
764 /* no when, nothing to check */
Michal Vasko1a09b212021-05-06 13:00:10 +0200765 tmp_set.val.scnodes[j].in_ctx = LYXP_SET_SCNODE_ATOM_NODE;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200766 }
767 }
768
769 /* merge this set into the global when set */
770 lyxp_set_scnode_merge(set, &tmp_set);
771 }
772
773 /* check when of non-data parents as well */
774 node = node->parent;
Radek Krejci2efc45b2020-12-22 16:25:44 +0100775
Radek Krejciddace2c2021-01-08 11:30:56 +0100776 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200777 } while (node && (node->nodetype & (LYS_CASE | LYS_CHOICE)));
778
779 /* this node when was checked (xp_scnode could have been reallocd) */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100780 set->val.scnodes[i].in_ctx = LYXP_SET_SCNODE_START_USED;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200781 }
782
783cleanup:
784 lyxp_set_free_content(&tmp_set);
785 return ret;
786}
787
788LY_ERR
789lysc_check_status(struct lysc_ctx *ctx, uint16_t flags1, void *mod1, const char *name1, uint16_t flags2, void *mod2,
790 const char *name2)
791{
792 uint16_t flg1, flg2;
793
794 flg1 = (flags1 & LYS_STATUS_MASK) ? (flags1 & LYS_STATUS_MASK) : LYS_STATUS_CURR;
795 flg2 = (flags2 & LYS_STATUS_MASK) ? (flags2 & LYS_STATUS_MASK) : LYS_STATUS_CURR;
796
797 if ((flg1 < flg2) && (mod1 == mod2)) {
798 if (ctx) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100799 LOGVAL(ctx->ctx, LYVE_REFERENCE,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200800 "A %s definition \"%s\" is not allowed to reference %s definition \"%s\".",
801 flg1 == LYS_STATUS_CURR ? "current" : "deprecated", name1,
802 flg2 == LYS_STATUS_OBSLT ? "obsolete" : "deprecated", name2);
803 }
804 return LY_EVALID;
805 }
806
807 return LY_SUCCESS;
808}
809
Michal Vasko25d6ad02020-10-22 12:20:22 +0200810LY_ERR
Radek Krejci8df109d2021-04-23 12:19:08 +0200811lys_compile_expr_implement(const struct ly_ctx *ctx, const struct lyxp_expr *expr, LY_VALUE_FORMAT format,
Michal Vasko405cc9e2020-12-01 12:01:27 +0100812 void *prefix_data, ly_bool implement, struct lys_glob_unres *unres, const struct lys_module **mod_p)
Michal Vaskocfaff232020-10-20 09:35:14 +0200813{
814 uint32_t i;
815 const char *ptr, *start;
816 const struct lys_module *mod;
817
Michal Vasko25d6ad02020-10-22 12:20:22 +0200818 assert(implement || mod_p);
819
Michal Vaskocfaff232020-10-20 09:35:14 +0200820 for (i = 0; i < expr->used; ++i) {
821 if ((expr->tokens[i] != LYXP_TOKEN_NAMETEST) && (expr->tokens[i] != LYXP_TOKEN_LITERAL)) {
822 /* token cannot have a prefix */
823 continue;
824 }
825
826 start = expr->expr + expr->tok_pos[i];
827 if (!(ptr = ly_strnchr(start, ':', expr->tok_len[i]))) {
828 /* token without a prefix */
829 continue;
830 }
831
832 if (!(mod = ly_resolve_prefix(ctx, start, ptr - start, format, prefix_data))) {
833 /* unknown prefix, do not care right now */
834 continue;
835 }
836
837 if (!mod->implemented) {
838 /* unimplemented module found */
Michal Vasko25d6ad02020-10-22 12:20:22 +0200839 if (implement) {
Michal Vasko4e205e82021-06-08 14:01:47 +0200840 LY_CHECK_RET(lys_implement((struct lys_module *)mod, NULL, unres));
Michal Vaskoa9f807e2021-06-15 12:07:16 +0200841 LY_CHECK_RET(lys_compile((struct lys_module *)mod, &unres->ds_unres));
Michal Vasko25d6ad02020-10-22 12:20:22 +0200842 } else {
Michal Vaskocfaff232020-10-20 09:35:14 +0200843 *mod_p = mod;
Michal Vasko25d6ad02020-10-22 12:20:22 +0200844 break;
Michal Vaskocfaff232020-10-20 09:35:14 +0200845 }
Michal Vaskocfaff232020-10-20 09:35:14 +0200846 }
847 }
848
Michal Vasko25d6ad02020-10-22 12:20:22 +0200849 return LY_SUCCESS;
Michal Vaskocfaff232020-10-20 09:35:14 +0200850}
851
852/**
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200853 * @brief Check when/must expressions of a node on a complete compiled schema tree.
854 *
855 * @param[in] ctx Compile context.
856 * @param[in] node Node to check.
Michal Vasko405cc9e2020-12-01 12:01:27 +0100857 * @param[in,out] unres Global unres structure.
Michal Vasko40c158c2021-04-28 17:01:03 +0200858 * @return LY_ERECOMPILE
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200859 * @return LY_ERR value
860 */
861static LY_ERR
Michal Vasko405cc9e2020-12-01 12:01:27 +0100862lys_compile_unres_xpath(struct lysc_ctx *ctx, const struct lysc_node *node, struct lys_glob_unres *unres)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200863{
864 struct lyxp_set tmp_set;
865 uint32_t i, opts;
866 LY_ARRAY_COUNT_TYPE u;
867 ly_bool input_done = 0;
Radek Krejci9a3823e2021-01-27 20:26:46 +0100868 struct lysc_when **whens = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200869 struct lysc_must *musts = NULL;
870 LY_ERR ret = LY_SUCCESS;
Michal Vaskocfaff232020-10-20 09:35:14 +0200871 const struct lys_module *mod;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200872
Radek Krejciddace2c2021-01-08 11:30:56 +0100873 LOG_LOCSET(node, NULL, NULL, NULL);
Radek Krejci2efc45b2020-12-22 16:25:44 +0100874
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200875 memset(&tmp_set, 0, sizeof tmp_set);
Michal Vaskod1e53b92021-01-28 13:11:06 +0100876 opts = LYXP_SCNODE_SCHEMA | ((node->flags & LYS_IS_OUTPUT) ? LYXP_SCNODE_OUTPUT : 0);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200877
Radek Krejci9a3823e2021-01-27 20:26:46 +0100878 whens = lysc_node_when(node);
879 musts = lysc_node_musts(node);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200880
Radek Krejci9a3823e2021-01-27 20:26:46 +0100881 LY_ARRAY_FOR(whens, u) {
Michal Vaskocfaff232020-10-20 09:35:14 +0200882 /* first check whether all the referenced modules are implemented */
Michal Vasko25d6ad02020-10-22 12:20:22 +0200883 mod = NULL;
Radek Krejci8df109d2021-04-23 12:19:08 +0200884 ret = lys_compile_expr_implement(ctx->ctx, whens[u]->cond, LY_VALUE_SCHEMA_RESOLVED, whens[u]->prefixes,
Michal Vasko405cc9e2020-12-01 12:01:27 +0100885 ctx->ctx->flags & LY_CTX_REF_IMPLEMENTED, unres, &mod);
Michal Vasko25d6ad02020-10-22 12:20:22 +0200886 if (ret) {
887 goto cleanup;
888 } else if (mod) {
Michal Vaskocfaff232020-10-20 09:35:14 +0200889 LOGWRN(ctx->ctx, "When condition \"%s\" check skipped because referenced module \"%s\" is not implemented.",
Radek Krejci9a3823e2021-01-27 20:26:46 +0100890 whens[u]->cond->expr, mod->name);
Michal Vaskocfaff232020-10-20 09:35:14 +0200891 continue;
892 }
893
894 /* check "when" */
Radek Krejci8df109d2021-04-23 12:19:08 +0200895 ret = lyxp_atomize(ctx->ctx, whens[u]->cond, node->module, LY_VALUE_SCHEMA_RESOLVED, whens[u]->prefixes,
Radek Krejci9a3823e2021-01-27 20:26:46 +0100896 whens[u]->context, &tmp_set, opts);
Michal Vasko25d6ad02020-10-22 12:20:22 +0200897 if (ret) {
Radek Krejci9a3823e2021-01-27 20:26:46 +0100898 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Invalid when condition \"%s\".", whens[u]->cond->expr);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200899 goto cleanup;
900 }
901
902 ctx->path[0] = '\0';
Michal Vasko14ed9cd2021-01-28 14:16:25 +0100903 lysc_path(node, LYSC_PATH_LOG, ctx->path, LYSC_CTX_BUFSIZE);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200904 for (i = 0; i < tmp_set.used; ++i) {
905 /* skip roots'n'stuff */
Radek Krejcif13b87b2020-12-01 22:02:17 +0100906 if ((tmp_set.val.scnodes[i].type == LYXP_NODE_ELEM) && (tmp_set.val.scnodes[i].in_ctx != LYXP_SET_SCNODE_START_USED)) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200907 struct lysc_node *schema = tmp_set.val.scnodes[i].scnode;
908
909 /* XPath expression cannot reference "lower" status than the node that has the definition */
Radek Krejci9a3823e2021-01-27 20:26:46 +0100910 ret = lysc_check_status(ctx, whens[u]->flags, node->module, node->name, schema->flags, schema->module,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200911 schema->name);
912 LY_CHECK_GOTO(ret, cleanup);
913
Michal Vasko1a09b212021-05-06 13:00:10 +0200914 /* check dummy node children/value accessing */
915 if (lysc_data_parent(schema) == node) {
916 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "When condition is accessing its own conditional node children.");
917 ret = LY_EVALID;
918 goto cleanup;
919 } else if ((schema == node) && (tmp_set.val.scnodes[i].in_ctx == LYXP_SET_SCNODE_ATOM_VAL)) {
920 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "When condition is accessing its own conditional node value.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200921 ret = LY_EVALID;
922 goto cleanup;
923 }
924 }
925 }
926
927 /* check cyclic dependencies */
928 ret = lys_compile_unres_when_cyclic(&tmp_set, node);
929 LY_CHECK_GOTO(ret, cleanup);
930
931 lyxp_set_free_content(&tmp_set);
932 }
933
934check_musts:
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200935 LY_ARRAY_FOR(musts, u) {
Michal Vaskocfaff232020-10-20 09:35:14 +0200936 /* first check whether all the referenced modules are implemented */
Michal Vasko25d6ad02020-10-22 12:20:22 +0200937 mod = NULL;
Radek Krejci8df109d2021-04-23 12:19:08 +0200938 ret = lys_compile_expr_implement(ctx->ctx, musts[u].cond, LY_VALUE_SCHEMA_RESOLVED, musts[u].prefixes,
Michal Vasko405cc9e2020-12-01 12:01:27 +0100939 ctx->ctx->flags & LY_CTX_REF_IMPLEMENTED, unres, &mod);
Michal Vasko25d6ad02020-10-22 12:20:22 +0200940 if (ret) {
941 goto cleanup;
942 } else if (mod) {
Michal Vaskocfaff232020-10-20 09:35:14 +0200943 LOGWRN(ctx->ctx, "Must condition \"%s\" check skipped because referenced module \"%s\" is not implemented.",
944 musts[u].cond->expr, mod->name);
945 continue;
946 }
947
948 /* check "must" */
Radek Krejci8df109d2021-04-23 12:19:08 +0200949 ret = lyxp_atomize(ctx->ctx, musts[u].cond, node->module, LY_VALUE_SCHEMA_RESOLVED, musts[u].prefixes, node,
Michal Vasko400e9672021-01-11 13:39:17 +0100950 &tmp_set, opts);
Michal Vasko25d6ad02020-10-22 12:20:22 +0200951 if (ret) {
Radek Krejci2efc45b2020-12-22 16:25:44 +0100952 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Invalid must restriction \"%s\".", musts[u].cond->expr);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200953 goto cleanup;
954 }
955
956 ctx->path[0] = '\0';
Michal Vasko14ed9cd2021-01-28 14:16:25 +0100957 lysc_path(node, LYSC_PATH_LOG, ctx->path, LYSC_CTX_BUFSIZE);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200958 for (i = 0; i < tmp_set.used; ++i) {
959 /* skip roots'n'stuff */
960 if (tmp_set.val.scnodes[i].type == LYXP_NODE_ELEM) {
961 /* XPath expression cannot reference "lower" status than the node that has the definition */
962 ret = lysc_check_status(ctx, node->flags, node->module, node->name, tmp_set.val.scnodes[i].scnode->flags,
963 tmp_set.val.scnodes[i].scnode->module, tmp_set.val.scnodes[i].scnode->name);
964 LY_CHECK_GOTO(ret, cleanup);
965 }
966 }
967
968 lyxp_set_free_content(&tmp_set);
969 }
970
971 if ((node->nodetype & (LYS_RPC | LYS_ACTION)) && !input_done) {
972 /* now check output musts */
973 input_done = 1;
Radek Krejci9a3823e2021-01-27 20:26:46 +0100974 whens = NULL;
Radek Krejci2a9fc652021-01-22 17:44:34 +0100975 musts = ((struct lysc_node_action *)node)->output.musts;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200976 opts = LYXP_SCNODE_OUTPUT;
977 goto check_musts;
978 }
979
980cleanup:
981 lyxp_set_free_content(&tmp_set);
Radek Krejciddace2c2021-01-08 11:30:56 +0100982 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200983 return ret;
984}
985
986/**
987 * @brief Check leafref for its target existence on a complete compiled schema tree.
988 *
989 * @param[in] ctx Compile context.
990 * @param[in] node Context node for the leafref.
991 * @param[in] lref Leafref to check/resolve.
Michal Vasko405cc9e2020-12-01 12:01:27 +0100992 * @param[in,out] unres Global unres structure.
Michal Vasko40c158c2021-04-28 17:01:03 +0200993 * @return LY_ERECOMPILE if context recompilation is needed,
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200994 * @return LY_ERR value.
995 */
996static LY_ERR
Michal Vasko405cc9e2020-12-01 12:01:27 +0100997lys_compile_unres_leafref(struct lysc_ctx *ctx, const struct lysc_node *node, struct lysc_type_leafref *lref,
998 struct lys_glob_unres *unres)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +0200999{
Michal Vaskod1e53b92021-01-28 13:11:06 +01001000 const struct lysc_node *target = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001001 struct ly_path *p;
1002 struct lysc_type *type;
1003
1004 assert(node->nodetype & (LYS_LEAF | LYS_LEAFLIST));
1005
1006 /* try to find the target */
Radek Krejcid5d37432021-03-12 13:46:40 +01001007 LY_CHECK_RET(ly_path_compile(ctx->ctx, lref->cur_mod, node, NULL, lref->path, LY_PATH_LREF_TRUE,
Michal Vaskod1e53b92021-01-28 13:11:06 +01001008 (node->flags & LYS_IS_OUTPUT) ? LY_PATH_OPER_OUTPUT : LY_PATH_OPER_INPUT, LY_PATH_TARGET_MANY,
Radek Krejci8df109d2021-04-23 12:19:08 +02001009 LY_VALUE_SCHEMA_RESOLVED, lref->prefixes, unres, &p));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001010
1011 /* get the target node */
1012 target = p[LY_ARRAY_COUNT(p) - 1].node;
1013 ly_path_free(node->module->ctx, p);
1014
1015 if (!(target->nodetype & (LYS_LEAF | LYS_LEAFLIST))) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001016 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid leafref path \"%s\" - target node is %s instead of leaf or leaf-list.",
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001017 lref->path->expr, lys_nodetype2str(target->nodetype));
1018 return LY_EVALID;
1019 }
1020
1021 /* check status */
1022 ctx->path[0] = '\0';
1023 lysc_path(node, LYSC_PATH_LOG, ctx->path, LYSC_CTX_BUFSIZE);
1024 ctx->path_len = strlen(ctx->path);
1025 if (lysc_check_status(ctx, node->flags, node->module, node->name, target->flags, target->module, target->name)) {
1026 return LY_EVALID;
1027 }
1028 ctx->path_len = 1;
1029 ctx->path[1] = '\0';
1030
1031 /* check config */
1032 if (lref->require_instance) {
Michal Vaskod1e53b92021-01-28 13:11:06 +01001033 if ((node->flags & LYS_CONFIG_W) && (target->flags & LYS_CONFIG_R)) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001034 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid leafref path \"%s\" - target is supposed"
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001035 " to represent configuration data (as the leafref does), but it does not.", lref->path->expr);
1036 return LY_EVALID;
1037 }
1038 }
1039
1040 /* store the target's type and check for circular chain of leafrefs */
1041 lref->realtype = ((struct lysc_node_leaf *)target)->type;
1042 for (type = lref->realtype; type && type->basetype == LY_TYPE_LEAFREF; type = ((struct lysc_type_leafref *)type)->realtype) {
1043 if (type == (struct lysc_type *)lref) {
1044 /* circular chain detected */
Radek Krejci2efc45b2020-12-22 16:25:44 +01001045 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Invalid leafref path \"%s\" - circular chain of leafrefs detected.",
1046 lref->path->expr);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001047 return LY_EVALID;
1048 }
1049 }
1050
Michal Vasko7b1ad1a2020-11-02 15:41:27 +01001051 /* TODO check if leafref and its target are under common if-features */
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001052
1053 return LY_SUCCESS;
1054}
1055
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001056/**
1057 * @brief Compile default value(s) for leaf or leaf-list expecting a complete compiled schema tree.
1058 *
1059 * @param[in] ctx Compile context.
1060 * @param[in] node Leaf or leaf-list to compile the default value(s) for.
1061 * @param[in] type Type of the default value.
1062 * @param[in] dflt Default value.
1063 * @param[in] dflt_pmod Parsed module of the @p dflt to resolve possible prefixes.
1064 * @param[in,out] storage Storage for the compiled default value.
Michal Vasko405cc9e2020-12-01 12:01:27 +01001065 * @param[in,out] unres Global unres structure for newly implemented modules.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001066 * @return LY_ERR value.
1067 */
1068static LY_ERR
1069lys_compile_unres_dflt(struct lysc_ctx *ctx, struct lysc_node *node, struct lysc_type *type, const char *dflt,
Michal Vasko405cc9e2020-12-01 12:01:27 +01001070 const struct lysp_module *dflt_pmod, struct lyd_value *storage, struct lys_glob_unres *unres)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001071{
1072 LY_ERR ret;
Michal Vasko25d6ad02020-10-22 12:20:22 +02001073 uint32_t options;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001074 struct ly_err_item *err = NULL;
1075
Radek Krejci0b013302021-03-29 15:22:32 +02001076 options = (ctx->ctx->flags & LY_CTX_REF_IMPLEMENTED) ? LYPLG_TYPE_STORE_IMPLEMENT : 0;
Radek Krejci8df109d2021-04-23 12:19:08 +02001077 ret = type->plugin->store(ctx->ctx, type, dflt, strlen(dflt), options, LY_VALUE_SCHEMA, (void *)dflt_pmod,
Michal Vasko405cc9e2020-12-01 12:01:27 +01001078 LYD_HINT_SCHEMA, node, storage, unres, &err);
Michal Vasko1ccbf542021-04-19 11:35:00 +02001079 if (ret == LY_ERECOMPILE) {
1080 /* fine, but we need to recompile */
1081 return LY_ERECOMPILE;
1082 } else if (ret == LY_EINCOMPLETE) {
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001083 /* we have no data so we will not be resolving it */
1084 ret = LY_SUCCESS;
1085 }
1086
1087 if (ret) {
Radek Krejciddace2c2021-01-08 11:30:56 +01001088 LOG_LOCSET(node, NULL, NULL, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001089 if (err) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001090 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Invalid default - value does not fit the type (%s).", err->msg);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001091 ly_err_free(err);
1092 } else {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001093 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Invalid default - value does not fit the type.");
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001094 }
Radek Krejciddace2c2021-01-08 11:30:56 +01001095 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001096 return ret;
1097 }
1098
1099 ++((struct lysc_type *)storage->realtype)->refcount;
1100 return LY_SUCCESS;
1101}
1102
1103/**
1104 * @brief Compile default value of a leaf expecting a complete compiled schema tree.
1105 *
1106 * @param[in] ctx Compile context.
1107 * @param[in] leaf Leaf that the default value is for.
1108 * @param[in] dflt Default value to compile.
Michal Vasko405cc9e2020-12-01 12:01:27 +01001109 * @param[in,out] unres Global unres structure for newly implemented modules.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001110 * @return LY_ERR value.
1111 */
1112static LY_ERR
Michal Vasko405cc9e2020-12-01 12:01:27 +01001113lys_compile_unres_leaf_dlft(struct lysc_ctx *ctx, struct lysc_node_leaf *leaf, struct lysp_qname *dflt,
1114 struct lys_glob_unres *unres)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001115{
1116 LY_ERR ret;
1117
1118 assert(!leaf->dflt);
1119
1120 if (leaf->flags & (LYS_MAND_TRUE | LYS_KEY)) {
1121 /* ignore default values for keys and mandatory leaves */
1122 return LY_SUCCESS;
1123 }
1124
1125 /* allocate the default value */
1126 leaf->dflt = calloc(1, sizeof *leaf->dflt);
1127 LY_CHECK_ERR_RET(!leaf->dflt, LOGMEM(ctx->ctx), LY_EMEM);
1128
1129 /* store the default value */
Michal Vasko14ed9cd2021-01-28 14:16:25 +01001130 ret = lys_compile_unres_dflt(ctx, &leaf->node, leaf->type, dflt->str, dflt->mod, leaf->dflt, unres);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001131 if (ret) {
1132 free(leaf->dflt);
1133 leaf->dflt = NULL;
1134 }
1135
1136 return ret;
1137}
1138
1139/**
1140 * @brief Compile default values of a leaf-list expecting a complete compiled schema tree.
1141 *
1142 * @param[in] ctx Compile context.
1143 * @param[in] llist Leaf-list that the default value(s) are for.
1144 * @param[in] dflt Default value to compile, in case of a single value.
1145 * @param[in] dflts Sized array of default values, in case of more values.
Michal Vasko405cc9e2020-12-01 12:01:27 +01001146 * @param[in,out] unres Global unres structure for newly implemented modules.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001147 * @return LY_ERR value.
1148 */
1149static LY_ERR
1150lys_compile_unres_llist_dflts(struct lysc_ctx *ctx, struct lysc_node_leaflist *llist, struct lysp_qname *dflt,
Michal Vasko405cc9e2020-12-01 12:01:27 +01001151 struct lysp_qname *dflts, struct lys_glob_unres *unres)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001152{
1153 LY_ERR ret;
1154 LY_ARRAY_COUNT_TYPE orig_count, u, v;
1155
1156 assert(dflt || dflts);
1157
Radek Krejcic7d13e32020-12-09 12:32:24 +01001158 /* in case there were already some defaults and we are adding new by deviations */
1159 orig_count = LY_ARRAY_COUNT(llist->dflts);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001160
1161 /* allocate new items */
Radek Krejcic7d13e32020-12-09 12:32:24 +01001162 LY_ARRAY_CREATE_RET(ctx->ctx, llist->dflts, orig_count + (dflts ? LY_ARRAY_COUNT(dflts) : 1), LY_EMEM);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001163
1164 /* fill each new default value */
1165 if (dflts) {
1166 LY_ARRAY_FOR(dflts, u) {
1167 llist->dflts[orig_count + u] = calloc(1, sizeof **llist->dflts);
Michal Vasko14ed9cd2021-01-28 14:16:25 +01001168 ret = lys_compile_unres_dflt(ctx, &llist->node, llist->type, dflts[u].str, dflts[u].mod,
Michal Vasko405cc9e2020-12-01 12:01:27 +01001169 llist->dflts[orig_count + u], unres);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001170 LY_CHECK_ERR_RET(ret, free(llist->dflts[orig_count + u]), ret);
1171 LY_ARRAY_INCREMENT(llist->dflts);
1172 }
1173 } else {
1174 llist->dflts[orig_count] = calloc(1, sizeof **llist->dflts);
Michal Vasko14ed9cd2021-01-28 14:16:25 +01001175 ret = lys_compile_unres_dflt(ctx, &llist->node, llist->type, dflt->str, dflt->mod,
Michal Vasko405cc9e2020-12-01 12:01:27 +01001176 llist->dflts[orig_count], unres);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001177 LY_CHECK_ERR_RET(ret, free(llist->dflts[orig_count]), ret);
1178 LY_ARRAY_INCREMENT(llist->dflts);
1179 }
1180
1181 /* check default value uniqueness */
1182 if (llist->flags & LYS_CONFIG_W) {
1183 /* configuration data values must be unique - so check the default values */
1184 for (u = orig_count; u < LY_ARRAY_COUNT(llist->dflts); ++u) {
1185 for (v = 0; v < u; ++v) {
1186 if (!llist->dflts[u]->realtype->plugin->compare(llist->dflts[u], llist->dflts[v])) {
Radek Krejcia6016992021-03-03 10:13:41 +01001187 lysc_update_path(ctx, llist->parent ? llist->parent->module : NULL, llist->name);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001188 LOGVAL(ctx->ctx, LYVE_SEMANTICS, "Configuration leaf-list has multiple defaults of the same value \"%s\".",
Radek Krejci6d5ba0c2021-04-26 07:49:59 +02001189 llist->dflts[u]->realtype->plugin->print(ctx->ctx, llist->dflts[u], LY_VALUE_CANON, NULL, NULL, NULL));
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001190 lysc_update_path(ctx, NULL, NULL);
1191 return LY_EVALID;
1192 }
1193 }
1194 }
1195 }
1196
1197 return LY_SUCCESS;
1198}
1199
Michal Vaskof4258e12021-06-15 12:11:42 +02001200/**
1201 * @brief Finish dependency set compilation by resolving all the unres sets.
1202 *
1203 * @param[in] ctx libyang context.
1204 * @param[in] unres Global unres structure with the sets to resolve.
1205 * @return LY_SUCCESS on success.
1206 * @return LY_ERECOMPILE if the dep set needs to be recompiled.
1207 * @return LY_ERR value on error.
1208 */
1209static LY_ERR
1210lys_compile_unres_depset(struct ly_ctx *ctx, struct lys_glob_unres *unres)
Michal Vasko405cc9e2020-12-01 12:01:27 +01001211{
Radek Krejci2efc45b2020-12-22 16:25:44 +01001212 LY_ERR ret;
Michal Vasko405cc9e2020-12-01 12:01:27 +01001213 struct lysc_node *node;
1214 struct lysc_type *type, *typeiter;
1215 struct lysc_type_leafref *lref;
1216 struct lysc_ctx cctx = {0};
Michal Vaskof4258e12021-06-15 12:11:42 +02001217 struct lys_depset_unres *ds_unres;
Michal Vasko405cc9e2020-12-01 12:01:27 +01001218 LY_ARRAY_COUNT_TYPE v;
1219 uint32_t i;
1220
Michal Vaskof4258e12021-06-15 12:11:42 +02001221 ds_unres = &unres->ds_unres;
1222
Michal Vasko405cc9e2020-12-01 12:01:27 +01001223 /* fake compile context */
1224 cctx.ctx = ctx;
1225 cctx.path_len = 1;
1226 cctx.path[0] = '/';
1227
1228 /* for leafref, we need 2 rounds - first detects circular chain by storing the first referred type (which
1229 * can be also leafref, in case it is already resolved, go through the chain and check that it does not
1230 * point to the starting leafref type). The second round stores the first non-leafref type for later data validation. */
Michal Vaskof4258e12021-06-15 12:11:42 +02001231 for (i = 0; i < ds_unres->leafrefs.count; ++i) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001232 LY_ERR ret = LY_SUCCESS;
Michal Vaskof4258e12021-06-15 12:11:42 +02001233 node = ds_unres->leafrefs.objs[i];
Michal Vasko405cc9e2020-12-01 12:01:27 +01001234 cctx.cur_mod = node->module;
1235 cctx.pmod = node->module->parsed;
1236
Radek Krejciddace2c2021-01-08 11:30:56 +01001237 LOG_LOCSET(node, NULL, NULL, NULL);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001238
Michal Vasko405cc9e2020-12-01 12:01:27 +01001239 assert(node->nodetype & (LYS_LEAF | LYS_LEAFLIST));
1240 type = ((struct lysc_node_leaf *)node)->type;
1241 if (type->basetype == LY_TYPE_LEAFREF) {
Radek Krejci2efc45b2020-12-22 16:25:44 +01001242 ret = lys_compile_unres_leafref(&cctx, node, (struct lysc_type_leafref *)type, unres);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001243 } else if (type->basetype == LY_TYPE_UNION) {
1244 LY_ARRAY_FOR(((struct lysc_type_union *)type)->types, v) {
1245 if (((struct lysc_type_union *)type)->types[v]->basetype == LY_TYPE_LEAFREF) {
1246 lref = (struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[v];
Radek Krejci2efc45b2020-12-22 16:25:44 +01001247 ret = lys_compile_unres_leafref(&cctx, node, lref, unres);
1248 if (ret) {
1249 break;
1250 }
Michal Vasko405cc9e2020-12-01 12:01:27 +01001251 }
1252 }
1253 }
Radek Krejci2efc45b2020-12-22 16:25:44 +01001254
Radek Krejciddace2c2021-01-08 11:30:56 +01001255 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko7213ac52021-06-15 11:52:13 +02001256 LY_CHECK_RET(ret);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001257 }
Michal Vaskof4258e12021-06-15 12:11:42 +02001258 while (ds_unres->leafrefs.count) {
1259 node = ds_unres->leafrefs.objs[ds_unres->leafrefs.count - 1];
Michal Vasko405cc9e2020-12-01 12:01:27 +01001260 cctx.cur_mod = node->module;
1261 cctx.pmod = node->module->parsed;
1262
Radek Krejciddace2c2021-01-08 11:30:56 +01001263 LOG_LOCSET(node, NULL, NULL, NULL);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001264
Michal Vasko405cc9e2020-12-01 12:01:27 +01001265 /* store pointer to the real type */
1266 type = ((struct lysc_node_leaf *)node)->type;
1267 if (type->basetype == LY_TYPE_LEAFREF) {
1268 for (typeiter = ((struct lysc_type_leafref *)type)->realtype;
1269 typeiter->basetype == LY_TYPE_LEAFREF;
1270 typeiter = ((struct lysc_type_leafref *)typeiter)->realtype) {}
1271 ((struct lysc_type_leafref *)type)->realtype = typeiter;
1272 } else if (type->basetype == LY_TYPE_UNION) {
1273 LY_ARRAY_FOR(((struct lysc_type_union *)type)->types, v) {
1274 if (((struct lysc_type_union *)type)->types[v]->basetype == LY_TYPE_LEAFREF) {
1275 for (typeiter = ((struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[v])->realtype;
1276 typeiter->basetype == LY_TYPE_LEAFREF;
1277 typeiter = ((struct lysc_type_leafref *)typeiter)->realtype) {}
1278 ((struct lysc_type_leafref *)((struct lysc_type_union *)type)->types[v])->realtype = typeiter;
1279 }
1280 }
1281 }
Radek Krejciddace2c2021-01-08 11:30:56 +01001282 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001283
Michal Vaskof4258e12021-06-15 12:11:42 +02001284 ly_set_rm_index(&ds_unres->leafrefs, ds_unres->leafrefs.count - 1, NULL);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001285 }
1286
1287 /* check xpath */
Michal Vaskof4258e12021-06-15 12:11:42 +02001288 while (ds_unres->xpath.count) {
1289 node = ds_unres->xpath.objs[ds_unres->xpath.count - 1];
Michal Vasko405cc9e2020-12-01 12:01:27 +01001290 cctx.cur_mod = node->module;
1291 cctx.pmod = node->module->parsed;
1292
Radek Krejciddace2c2021-01-08 11:30:56 +01001293 LOG_LOCSET(node, NULL, NULL, NULL);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001294 ret = lys_compile_unres_xpath(&cctx, node, unres);
Radek Krejciddace2c2021-01-08 11:30:56 +01001295 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko7213ac52021-06-15 11:52:13 +02001296 LY_CHECK_RET(ret);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001297
Michal Vaskof4258e12021-06-15 12:11:42 +02001298 ly_set_rm_index(&ds_unres->xpath, ds_unres->xpath.count - 1, NULL);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001299 }
1300
1301 /* finish incomplete default values compilation */
Michal Vaskof4258e12021-06-15 12:11:42 +02001302 while (ds_unres->dflts.count) {
1303 struct lysc_unres_dflt *r = ds_unres->dflts.objs[ds_unres->dflts.count - 1];
Michal Vasko405cc9e2020-12-01 12:01:27 +01001304 cctx.cur_mod = r->leaf->module;
1305 cctx.pmod = r->leaf->module->parsed;
1306
Michal Vasko14ed9cd2021-01-28 14:16:25 +01001307 LOG_LOCSET(&r->leaf->node, NULL, NULL, NULL);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001308 if (r->leaf->nodetype == LYS_LEAF) {
1309 ret = lys_compile_unres_leaf_dlft(&cctx, r->leaf, r->dflt, unres);
1310 } else {
1311 ret = lys_compile_unres_llist_dflts(&cctx, r->llist, r->dflt, r->dflts, unres);
1312 }
Radek Krejciddace2c2021-01-08 11:30:56 +01001313 LOG_LOCBACK(1, 0, 0, 0);
Michal Vasko7213ac52021-06-15 11:52:13 +02001314 LY_CHECK_RET(ret);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001315
1316 lysc_unres_dflt_free(ctx, r);
Michal Vaskof4258e12021-06-15 12:11:42 +02001317 ly_set_rm_index(&ds_unres->dflts, ds_unres->dflts.count - 1, NULL);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001318 }
1319
Michal Vasko40c158c2021-04-28 17:01:03 +02001320 /* some unres items may have been added */
Michal Vaskof4258e12021-06-15 12:11:42 +02001321 if (ds_unres->leafrefs.count || ds_unres->xpath.count || ds_unres->dflts.count) {
1322 return lys_compile_unres_depset(ctx, unres);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001323 }
1324
Michal Vasko30ab8e72021-04-19 12:47:52 +02001325 /* finally, remove all disabled nodes */
Michal Vaskof4258e12021-06-15 12:11:42 +02001326 for (i = 0; i < ds_unres->disabled.count; ++i) {
1327 node = ds_unres->disabled.snodes[i];
Michal Vasko30ab8e72021-04-19 12:47:52 +02001328 if (node->flags & LYS_KEY) {
1329 LOG_LOCSET(node, NULL, NULL, NULL);
1330 LOGVAL(ctx, LYVE_REFERENCE, "Key \"%s\" is disabled by its if-features.", node->name);
1331 LOG_LOCBACK(1, 0, 0, 0);
1332 return LY_EVALID;
1333 }
1334
1335 lysc_node_free(ctx, node, 1);
1336 }
1337
Michal Vasko405cc9e2020-12-01 12:01:27 +01001338 return LY_SUCCESS;
1339}
1340
Michal Vaskof4258e12021-06-15 12:11:42 +02001341/**
1342 * @brief Erase dep set unres.
1343 *
1344 * @param[in] ctx libyang context.
1345 * @param[in] unres Global unres structure with the sets to resolve.
1346 */
1347static void
1348lys_compile_unres_depset_erase(const struct ly_ctx *ctx, struct lys_glob_unres *unres)
Michal Vasko405cc9e2020-12-01 12:01:27 +01001349{
1350 uint32_t i;
1351
Michal Vaskof4258e12021-06-15 12:11:42 +02001352 for (i = 0; i < unres->ds_unres.dflts.count; ++i) {
1353 lysc_unres_dflt_free(ctx, unres->ds_unres.dflts.objs[i]);
Michal Vaskodf6319c2021-06-10 14:41:05 +02001354 }
Michal Vaskof4258e12021-06-15 12:11:42 +02001355 ly_set_erase(&unres->ds_unres.dflts, NULL);
1356 ly_set_erase(&unres->ds_unres.xpath, NULL);
1357 ly_set_erase(&unres->ds_unres.leafrefs, NULL);
1358 ly_set_erase(&unres->ds_unres.disabled, NULL);
1359}
1360
1361LY_ERR
1362lys_compile_dep_set_r(struct ly_ctx *ctx, struct ly_set *dep_set, struct lys_glob_unres *unres)
1363{
1364 LY_ERR ret = LY_SUCCESS;
1365 struct lys_module *mod;
1366 uint32_t i;
1367
1368 for (i = 0; i < dep_set->count; ++i) {
1369 mod = dep_set->objs[i];
1370 if (!mod->to_compile) {
1371 /* skip */
1372 continue;
1373 }
1374 assert(mod->implemented);
1375
1376 /* free the compiled module, if any */
1377 lysc_module_free(mod->compiled);
1378 mod->compiled = NULL;
1379
1380 /* (re)compile the module */
1381 LY_CHECK_GOTO(ret = lys_compile(mod, &unres->ds_unres), cleanup);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001382 }
Michal Vaskof4258e12021-06-15 12:11:42 +02001383
1384 /* resolve dep set unres */
1385 ret = lys_compile_unres_depset(ctx, unres);
1386 if (ret == LY_ERECOMPILE) {
1387 /* new module is implemented, discard current dep set unres and recompile the whole dep set */
1388 lys_compile_unres_depset_erase(ctx, unres);
1389 return lys_compile_dep_set_r(ctx, dep_set, unres);
1390 } else if (ret) {
1391 /* error */
1392 goto cleanup;
1393 }
1394
1395 /* success, unset the flags of all the modules in the dep set */
1396 for (i = 0; i < dep_set->count; ++i) {
1397 mod = dep_set->objs[i];
1398 mod->to_compile = 0;
1399 }
1400
1401cleanup:
1402 lys_compile_unres_depset_erase(ctx, unres);
1403 return ret;
Michal Vasko405cc9e2020-12-01 12:01:27 +01001404}
1405
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001406/**
Michal Vasko405cc9e2020-12-01 12:01:27 +01001407 * @brief Finish compilation of all the module unres sets in a compile context.
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001408 *
1409 * @param[in] ctx Compile context with unres sets.
1410 * @return LY_ERR value.
1411 */
1412static LY_ERR
Michal Vasko405cc9e2020-12-01 12:01:27 +01001413lys_compile_unres_mod(struct lysc_ctx *ctx)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001414{
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001415 struct lysc_augment *aug;
1416 struct lysc_deviation *dev;
Michal Vasko1ade6f12021-04-19 11:32:45 +02001417 struct lys_module *orig_mod = ctx->cur_mod;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001418 uint32_t i;
1419
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001420 /* check that all augments were applied */
1421 for (i = 0; i < ctx->augs.count; ++i) {
1422 aug = ctx->augs.objs[i];
Michal Vasko1ade6f12021-04-19 11:32:45 +02001423 ctx->cur_mod = aug->aug_pmod->mod;
Radek Krejci2efc45b2020-12-22 16:25:44 +01001424 lysc_update_path(ctx, NULL, "{augment}");
1425 lysc_update_path(ctx, NULL, aug->nodeid->expr);
1426 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Augment target node \"%s\" from module \"%s\" was not found.",
Michal Vasko28fe5f62021-03-03 16:37:39 +01001427 aug->nodeid->expr, LYSP_MODULE_NAME(aug->aug_pmod));
Michal Vasko1ade6f12021-04-19 11:32:45 +02001428 ctx->cur_mod = orig_mod;
Radek Krejci2efc45b2020-12-22 16:25:44 +01001429 lysc_update_path(ctx, NULL, NULL);
1430 lysc_update_path(ctx, NULL, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001431 }
1432 if (ctx->augs.count) {
1433 return LY_ENOTFOUND;
1434 }
1435
1436 /* check that all deviations were applied */
1437 for (i = 0; i < ctx->devs.count; ++i) {
1438 dev = ctx->devs.objs[i];
Radek Krejci2efc45b2020-12-22 16:25:44 +01001439 lysc_update_path(ctx, NULL, "{deviation}");
1440 lysc_update_path(ctx, NULL, dev->nodeid->expr);
1441 LOGVAL(ctx->ctx, LYVE_REFERENCE, "Deviation(s) target node \"%s\" from module \"%s\" was not found.",
1442 dev->nodeid->expr, LYSP_MODULE_NAME(dev->dev_pmods[0]));
1443 lysc_update_path(ctx, NULL, NULL);
1444 lysc_update_path(ctx, NULL, NULL);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001445 }
1446 if (ctx->devs.count) {
1447 return LY_ENOTFOUND;
1448 }
1449
1450 return LY_SUCCESS;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001451}
1452
1453/**
Michal Vasko405cc9e2020-12-01 12:01:27 +01001454 * @brief Erase all the module unres sets in a compile context.
1455 *
1456 * @param[in] ctx Compile context with unres sets.
1457 * @param[in] error Whether the compilation finished with an error or not.
1458 */
1459static void
1460lys_compile_unres_mod_erase(struct lysc_ctx *ctx, ly_bool error)
1461{
1462 uint32_t i;
1463
1464 ly_set_erase(&ctx->groupings, NULL);
1465 ly_set_erase(&ctx->tpdf_chain, NULL);
Michal Vasko405cc9e2020-12-01 12:01:27 +01001466
1467 if (!error) {
1468 /* there can be no leftover deviations or augments */
1469 LY_CHECK_ERR_RET(ctx->augs.count, LOGINT(ctx->ctx), );
1470 LY_CHECK_ERR_RET(ctx->devs.count, LOGINT(ctx->ctx), );
1471
1472 ly_set_erase(&ctx->augs, NULL);
1473 ly_set_erase(&ctx->devs, NULL);
1474 ly_set_erase(&ctx->uses_augs, NULL);
1475 ly_set_erase(&ctx->uses_rfns, NULL);
1476 } else {
1477 for (i = 0; i < ctx->augs.count; ++i) {
1478 lysc_augment_free(ctx->ctx, ctx->augs.objs[i]);
1479 }
1480 ly_set_erase(&ctx->augs, NULL);
1481 for (i = 0; i < ctx->devs.count; ++i) {
1482 lysc_deviation_free(ctx->ctx, ctx->devs.objs[i]);
1483 }
1484 ly_set_erase(&ctx->devs, NULL);
1485 for (i = 0; i < ctx->uses_augs.count; ++i) {
1486 lysc_augment_free(ctx->ctx, ctx->uses_augs.objs[i]);
1487 }
1488 ly_set_erase(&ctx->uses_augs, NULL);
1489 for (i = 0; i < ctx->uses_rfns.count; ++i) {
1490 lysc_refine_free(ctx->ctx, ctx->uses_rfns.objs[i]);
1491 }
1492 ly_set_erase(&ctx->uses_rfns, NULL);
1493 }
1494}
1495
Michal Vaskod39bea42021-06-14 10:42:49 +02001496LY_ERR
Michal Vaskof4258e12021-06-15 12:11:42 +02001497lys_compile(struct lys_module *mod, struct lys_depset_unres *unres)
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001498{
1499 struct lysc_ctx ctx = {0};
Michal Vasko0b395e12021-04-23 13:43:07 +02001500 struct lysc_module *mod_c = NULL;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001501 struct lysp_module *sp;
1502 struct lysp_submodule *submod;
1503 struct lysp_node *pnode;
Radek Krejci2a9fc652021-01-22 17:44:34 +01001504 struct lysp_node_grp *grp;
1505 LY_ARRAY_COUNT_TYPE u;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001506 LY_ERR ret = LY_SUCCESS;
1507
1508 LY_CHECK_ARG_RET(NULL, mod, mod->parsed, !mod->compiled, mod->ctx, LY_EINVAL);
1509
Michal Vaskof4258e12021-06-15 12:11:42 +02001510 assert(mod->implemented && mod->to_compile);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001511
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001512 sp = mod->parsed;
1513
1514 ctx.ctx = mod->ctx;
1515 ctx.cur_mod = mod;
1516 ctx.pmod = sp;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001517 ctx.path_len = 1;
1518 ctx.path[0] = '/';
Michal Vasko405cc9e2020-12-01 12:01:27 +01001519 ctx.unres = unres;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001520
Michal Vasko0b395e12021-04-23 13:43:07 +02001521 ++mod->ctx->change_count;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001522 mod->compiled = mod_c = calloc(1, sizeof *mod_c);
1523 LY_CHECK_ERR_RET(!mod_c, LOGMEM(mod->ctx), LY_EMEM);
1524 mod_c->mod = mod;
1525
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001526 /* compile augments and deviations of our module from other modules so they can be applied during compilation */
Michal Vasko1ccbf542021-04-19 11:35:00 +02001527 LY_CHECK_GOTO(ret = lys_precompile_own_augments(&ctx), cleanup);
1528 LY_CHECK_GOTO(ret = lys_precompile_own_deviations(&ctx), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001529
1530 /* data nodes */
1531 LY_LIST_FOR(sp->data, pnode) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001532 LY_CHECK_GOTO(ret = lys_compile_node(&ctx, pnode, NULL, 0, NULL), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001533 }
1534
Radek Krejci2a9fc652021-01-22 17:44:34 +01001535 /* top-level RPCs */
1536 LY_LIST_FOR((struct lysp_node *)sp->rpcs, pnode) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001537 LY_CHECK_GOTO(ret = lys_compile_node(&ctx, pnode, NULL, 0, NULL), cleanup);
Radek Krejci2a9fc652021-01-22 17:44:34 +01001538 }
1539
1540 /* top-level notifications */
1541 LY_LIST_FOR((struct lysp_node *)sp->notifs, pnode) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001542 LY_CHECK_GOTO(ret = lys_compile_node(&ctx, pnode, NULL, 0, NULL), cleanup);
Radek Krejci2a9fc652021-01-22 17:44:34 +01001543 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001544
1545 /* extension instances */
Michal Vasko1ccbf542021-04-19 11:35:00 +02001546 COMPILE_EXTS_GOTO(&ctx, sp->exts, mod_c->exts, mod_c, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001547
1548 /* the same for submodules */
1549 LY_ARRAY_FOR(sp->includes, u) {
1550 submod = sp->includes[u].submodule;
1551 ctx.pmod = (struct lysp_module *)submod;
1552
1553 LY_LIST_FOR(submod->data, pnode) {
1554 ret = lys_compile_node(&ctx, pnode, NULL, 0, NULL);
Michal Vasko1ccbf542021-04-19 11:35:00 +02001555 LY_CHECK_GOTO(ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001556 }
1557
Radek Krejci2a9fc652021-01-22 17:44:34 +01001558 LY_LIST_FOR((struct lysp_node *)submod->rpcs, pnode) {
1559 ret = lys_compile_node(&ctx, pnode, NULL, 0, NULL);
Michal Vasko1ccbf542021-04-19 11:35:00 +02001560 LY_CHECK_GOTO(ret, cleanup);
Radek Krejci2a9fc652021-01-22 17:44:34 +01001561 }
1562
1563 LY_LIST_FOR((struct lysp_node *)submod->notifs, pnode) {
1564 ret = lys_compile_node(&ctx, pnode, NULL, 0, NULL);
Michal Vasko1ccbf542021-04-19 11:35:00 +02001565 LY_CHECK_GOTO(ret, cleanup);
Radek Krejci2a9fc652021-01-22 17:44:34 +01001566 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001567
Michal Vasko1ccbf542021-04-19 11:35:00 +02001568 COMPILE_EXTS_GOTO(&ctx, submod->exts, mod_c->exts, mod_c, ret, cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001569 }
Michal Vasko12606ee2020-11-25 17:05:11 +01001570 ctx.pmod = sp;
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001571
1572 /* validate non-instantiated groupings from the parsed schema,
1573 * without it we would accept even the schemas with invalid grouping specification */
Michal Vasko7c565922021-06-10 14:58:27 +02001574 ctx.compile_opts |= LYS_COMPILE_GROUPING;
Radek Krejci2a9fc652021-01-22 17:44:34 +01001575 LY_LIST_FOR(sp->groupings, grp) {
1576 if (!(grp->flags & LYS_USED_GRP)) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001577 LY_CHECK_GOTO(ret = lys_compile_grouping(&ctx, NULL, grp), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001578 }
1579 }
1580 LY_LIST_FOR(sp->data, pnode) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01001581 LY_LIST_FOR((struct lysp_node_grp *)lysp_node_groupings(pnode), grp) {
1582 if (!(grp->flags & LYS_USED_GRP)) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001583 LY_CHECK_GOTO(ret = lys_compile_grouping(&ctx, pnode, grp), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001584 }
1585 }
1586 }
1587 LY_ARRAY_FOR(sp->includes, u) {
1588 submod = sp->includes[u].submodule;
1589 ctx.pmod = (struct lysp_module *)submod;
1590
Radek Krejci2a9fc652021-01-22 17:44:34 +01001591 LY_LIST_FOR(submod->groupings, grp) {
1592 if (!(grp->flags & LYS_USED_GRP)) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001593 LY_CHECK_GOTO(ret = lys_compile_grouping(&ctx, NULL, grp), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001594 }
1595 }
1596 LY_LIST_FOR(submod->data, pnode) {
Radek Krejci2a9fc652021-01-22 17:44:34 +01001597 LY_LIST_FOR((struct lysp_node_grp *)lysp_node_groupings(pnode), grp) {
1598 if (!(grp->flags & LYS_USED_GRP)) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001599 LY_CHECK_GOTO(ret = lys_compile_grouping(&ctx, pnode, grp), cleanup);
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001600 }
1601 }
1602 }
1603 }
1604 ctx.pmod = sp;
1605
Radek Krejciddace2c2021-01-08 11:30:56 +01001606 LOG_LOCBACK(0, 0, 1, 0);
Radek Krejci2efc45b2020-12-22 16:25:44 +01001607
Michal Vasko405cc9e2020-12-01 12:01:27 +01001608 /* finish compilation for all unresolved module items in the context */
Michal Vasko1ccbf542021-04-19 11:35:00 +02001609 LY_CHECK_GOTO(ret = lys_compile_unres_mod(&ctx), cleanup);
Michal Vasko12606ee2020-11-25 17:05:11 +01001610
Michal Vasko1ccbf542021-04-19 11:35:00 +02001611cleanup:
Radek Krejciddace2c2021-01-08 11:30:56 +01001612 LOG_LOCBACK(0, 0, 1, 0);
Michal Vasko1ccbf542021-04-19 11:35:00 +02001613 lys_compile_unres_mod_erase(&ctx, ret);
1614 if (ret) {
Michal Vasko1ccbf542021-04-19 11:35:00 +02001615 lysc_module_free(mod_c);
1616 mod->compiled = NULL;
1617 }
Michal Vasko1a7a7bd2020-10-16 14:39:15 +02001618 return ret;
1619}
Michal Vasko65333882021-06-10 14:12:16 +02001620
1621/**
Michal Vaskofa5a7d72021-06-15 11:41:20 +02001622 * @brief Compile identites in a module and all its submodules.
1623 *
1624 * @param[in] mod Module to process.
1625 * @return LY_ERR value.
1626 */
1627static LY_ERR
1628lys_compile_identities(struct lys_module *mod)
1629{
1630 struct lysc_ctx ctx = {0};
1631 struct lysp_submodule *submod;
1632 LY_ARRAY_COUNT_TYPE u;
1633
1634 /* prepare context */
1635 ctx.ctx = mod->ctx;
1636 ctx.cur_mod = mod;
1637 ctx.pmod = mod->parsed;
1638 ctx.path_len = 1;
1639 ctx.path[0] = '/';
1640
1641 if (mod->parsed->identities) {
1642 LY_CHECK_RET(lys_compile_identities_derived(&ctx, mod->parsed->identities, &mod->identities));
1643 }
1644 lysc_update_path(&ctx, NULL, "{submodule}");
1645 LY_ARRAY_FOR(mod->parsed->includes, u) {
1646 submod = mod->parsed->includes[u].submodule;
1647 if (submod->identities) {
1648 ctx.pmod = (struct lysp_module *)submod;
1649 lysc_update_path(&ctx, NULL, submod->name);
1650 LY_CHECK_RET(lys_compile_identities_derived(&ctx, submod->identities, &mod->identities));
1651 lysc_update_path(&ctx, NULL, NULL);
1652 }
1653 }
1654 lysc_update_path(&ctx, NULL, NULL);
1655
1656 return LY_SUCCESS;
1657}
1658
1659/**
Michal Vasko65333882021-06-10 14:12:16 +02001660 * @brief Check whether a module does not have any (recursive) compiled import.
1661 *
1662 * @param[in] mod Module to examine.
1663 * @return LY_SUCCESS on success.
Michal Vaskof4258e12021-06-15 12:11:42 +02001664 * @return LY_ERECOMPILE on required recompilation of the dep set.
Michal Vasko65333882021-06-10 14:12:16 +02001665 * @return LY_ERR on error.
1666 */
1667static LY_ERR
1668lys_has_compiled_import_r(struct lys_module *mod)
1669{
1670 LY_ARRAY_COUNT_TYPE u;
Michal Vaskoe7927122021-06-15 12:00:04 +02001671 struct lys_module *m;
Michal Vasko65333882021-06-10 14:12:16 +02001672
1673 LY_ARRAY_FOR(mod->parsed->imports, u) {
Michal Vaskoe7927122021-06-15 12:00:04 +02001674 m = mod->parsed->imports[u].module;
1675 if (!m->implemented) {
Michal Vasko65333882021-06-10 14:12:16 +02001676 continue;
1677 }
1678
Michal Vaskoe7927122021-06-15 12:00:04 +02001679 if (!m->to_compile) {
Michal Vaskod39bea42021-06-14 10:42:49 +02001680 /* module was not/will not be compiled in this compilation (so disabled nodes are not present) */
Michal Vaskof4258e12021-06-15 12:11:42 +02001681 m->to_compile = 1;
Michal Vasko65333882021-06-10 14:12:16 +02001682 return LY_ERECOMPILE;
1683 }
1684
1685 /* recursive */
Michal Vaskoe7927122021-06-15 12:00:04 +02001686 LY_CHECK_RET(lys_has_compiled_import_r(m));
Michal Vasko65333882021-06-10 14:12:16 +02001687 }
1688
1689 return LY_SUCCESS;
1690}
1691
1692LY_ERR
1693lys_implement(struct lys_module *mod, const char **features, struct lys_glob_unres *unres)
1694{
1695 LY_ERR ret;
1696 struct lys_module *m;
1697
1698 assert(!mod->implemented);
1699
1700 /* we have module from the current context */
1701 m = ly_ctx_get_module_implemented(mod->ctx, mod->name);
1702 if (m) {
1703 assert(m != mod);
1704
1705 /* check collision with other implemented revision */
1706 LOGERR(mod->ctx, LY_EDENIED, "Module \"%s%s%s\" is present in the context in other implemented revision (%s).",
1707 mod->name, mod->revision ? "@" : "", mod->revision ? mod->revision : "", m->revision ? m->revision : "none");
1708 return LY_EDENIED;
1709 }
1710
1711 /* set features */
1712 ret = lys_set_features(mod->parsed, features);
1713 if (ret && (ret != LY_EEXIST)) {
1714 return ret;
1715 }
1716
Michal Vasko65333882021-06-10 14:12:16 +02001717 /*
1718 * mark the module implemented, which means
1719 * 1) to (re)compile it only ::lys_compile() call is needed
1720 * 2) its compilation will never cause new modules to be implemented (::lys_compile() does not return ::LY_ERECOMPILE)
1721 * but there can be some unres items added that do
1722 */
1723 mod->implemented = 1;
1724
Michal Vaskoa9f807e2021-06-15 12:07:16 +02001725 /* this module is compiled in this compilation */
1726 mod->to_compile = 1;
1727
Michal Vasko65333882021-06-10 14:12:16 +02001728 /* add the module into newly implemented module set */
1729 LY_CHECK_RET(ly_set_add(&unres->implementing, mod, 1, NULL));
1730
Michal Vaskoa9f807e2021-06-15 12:07:16 +02001731 /* compile identities */
1732 LY_CHECK_RET(lys_compile_identities(mod));
1733
1734 /* mark target modules with our augments and deviations */
1735 LY_CHECK_RET(lys_precompile_augments_deviations(mod, unres));
Michal Vasko65333882021-06-10 14:12:16 +02001736
Michal Vaskod39bea42021-06-14 10:42:49 +02001737 /* check whether this module may reference any modules compiled previously */
1738 LY_CHECK_RET(lys_has_compiled_import_r(mod));
Michal Vasko65333882021-06-10 14:12:16 +02001739
Michal Vasko65333882021-06-10 14:12:16 +02001740 return LY_SUCCESS;
1741}