tree schema compile REFACTOR file split into 3 files
diff --git a/src/schema_compile_node.c b/src/schema_compile_node.c
new file mode 100644
index 0000000..de343d7
--- /dev/null
+++ b/src/schema_compile_node.c
@@ -0,0 +1,3742 @@
+/**
+ * @file schema_compile_node.c
+ * @author Radek Krejci <rkrejci@cesnet.cz>
+ * @brief Schema compilation of common nodes.
+ *
+ * Copyright (c) 2015 - 2020 CESNET, z.s.p.o.
+ *
+ * This source code is licensed under BSD 3-Clause License (the "License").
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     https://opensource.org/licenses/BSD-3-Clause
+ */
+
+#define _GNU_SOURCE
+
+#include "schema_compile_node.h"
+
+#include <assert.h>
+#include <ctype.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "common.h"
+#include "compat.h"
+#include "context.h"
+#include "dict.h"
+#include "log.h"
+#include "parser.h"
+#include "parser_schema.h"
+#include "path.h"
+#include "plugins_exts.h"
+#include "plugins_exts_internal.h"
+#include "plugins_types.h"
+#include "schema_compile.h"
+#include "schema_compile_amend.h"
+#include "set.h"
+#include "tree.h"
+#include "tree_data.h"
+#include "tree_data_internal.h"
+#include "tree_schema.h"
+#include "tree_schema_internal.h"
+#include "xpath.h"
+
+static struct lysc_ext_instance *
+lysc_ext_instance_dup(struct ly_ctx *ctx, struct lysc_ext_instance *orig)
+{
+    /* TODO - extensions, increase refcount */
+    (void) ctx;
+    (void) orig;
+    return NULL;
+}
+
+/**
+ * @brief Add/replace a leaf default value in unres.
+ * Can also be used for a single leaf-list default value.
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] leaf Leaf with the default value.
+ * @param[in] dflt Default value to use.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lysc_unres_leaf_dflt_add(struct lysc_ctx *ctx, struct lysc_node_leaf *leaf, struct lysp_qname *dflt)
+{
+    struct lysc_unres_dflt *r = NULL;
+    uint32_t i;
+
+    for (i = 0; i < ctx->dflts.count; ++i) {
+        if (((struct lysc_unres_dflt *)ctx->dflts.objs[i])->leaf == leaf) {
+            /* just replace the default */
+            r = ctx->dflts.objs[i];
+            lysp_qname_free(ctx->ctx, r->dflt);
+            free(r->dflt);
+            break;
+        }
+    }
+    if (!r) {
+        /* add new unres item */
+        r = calloc(1, sizeof *r);
+        LY_CHECK_ERR_RET(!r, LOGMEM(ctx->ctx), LY_EMEM);
+        r->leaf = leaf;
+
+        LY_CHECK_RET(ly_set_add(&ctx->dflts, r, 1, NULL));
+    }
+
+    r->dflt = malloc(sizeof *r->dflt);
+    LY_CHECK_GOTO(!r->dflt, error);
+    LY_CHECK_GOTO(lysp_qname_dup(ctx->ctx, r->dflt, dflt), error);
+
+    return LY_SUCCESS;
+
+error:
+    free(r->dflt);
+    LOGMEM(ctx->ctx);
+    return LY_EMEM;
+}
+
+/**
+ * @brief Add/replace a leaf-list default value(s) in unres.
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] llist Leaf-list with the default value.
+ * @param[in] dflts Sized array of the default values.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lysc_unres_llist_dflts_add(struct lysc_ctx *ctx, struct lysc_node_leaflist *llist, struct lysp_qname *dflts)
+{
+    struct lysc_unres_dflt *r = NULL;
+    uint32_t i;
+
+    for (i = 0; i < ctx->dflts.count; ++i) {
+        if (((struct lysc_unres_dflt *)ctx->dflts.objs[i])->llist == llist) {
+            /* just replace the defaults */
+            r = ctx->dflts.objs[i];
+            lysp_qname_free(ctx->ctx, r->dflt);
+            free(r->dflt);
+            r->dflt = NULL;
+            FREE_ARRAY(ctx->ctx, r->dflts, lysp_qname_free);
+            r->dflts = NULL;
+            break;
+        }
+    }
+    if (!r) {
+        r = calloc(1, sizeof *r);
+        LY_CHECK_ERR_RET(!r, LOGMEM(ctx->ctx), LY_EMEM);
+        r->llist = llist;
+
+        LY_CHECK_RET(ly_set_add(&ctx->dflts, r, 1, NULL));
+    }
+
+    DUP_ARRAY(ctx->ctx, dflts, r->dflts, lysp_qname_dup);
+
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Duplicate the compiled pattern structure.
+ *
+ * Instead of duplicating memory, the reference counter in the @p orig is increased.
+ *
+ * @param[in] orig The pattern structure to duplicate.
+ * @return The duplicated structure to use.
+ */
+static struct lysc_pattern *
+lysc_pattern_dup(struct lysc_pattern *orig)
+{
+    ++orig->refcount;
+    return orig;
+}
+
+/**
+ * @brief Duplicate the array of compiled patterns.
+ *
+ * The sized array itself is duplicated, but the pattern structures are just shadowed by increasing their reference counter.
+ *
+ * @param[in] ctx Libyang context for logging.
+ * @param[in] orig The patterns sized array to duplicate.
+ * @return New sized array as a copy of @p orig.
+ * @return NULL in case of memory allocation error.
+ */
+static struct lysc_pattern **
+lysc_patterns_dup(struct ly_ctx *ctx, struct lysc_pattern **orig)
+{
+    struct lysc_pattern **dup = NULL;
+    LY_ARRAY_COUNT_TYPE u;
+
+    assert(orig);
+
+    LY_ARRAY_CREATE_RET(ctx, dup, LY_ARRAY_COUNT(orig), NULL);
+    LY_ARRAY_FOR(orig, u) {
+        dup[u] = lysc_pattern_dup(orig[u]);
+        LY_ARRAY_INCREMENT(dup);
+    }
+    return dup;
+}
+
+/**
+ * @brief Duplicate compiled range structure.
+ *
+ * @param[in] ctx Libyang context for logging.
+ * @param[in] orig The range structure to be duplicated.
+ * @return New compiled range structure as a copy of @p orig.
+ * @return NULL in case of memory allocation error.
+ */
+static struct lysc_range *
+lysc_range_dup(struct ly_ctx *ctx, const struct lysc_range *orig)
+{
+    struct lysc_range *dup;
+    LY_ERR ret;
+
+    assert(orig);
+
+    dup = calloc(1, sizeof *dup);
+    LY_CHECK_ERR_RET(!dup, LOGMEM(ctx), NULL);
+    if (orig->parts) {
+        LY_ARRAY_CREATE_GOTO(ctx, dup->parts, LY_ARRAY_COUNT(orig->parts), ret, cleanup);
+        LY_ARRAY_COUNT(dup->parts) = LY_ARRAY_COUNT(orig->parts);
+        memcpy(dup->parts, orig->parts, LY_ARRAY_COUNT(dup->parts) * sizeof *dup->parts);
+    }
+    DUP_STRING_GOTO(ctx, orig->eapptag, dup->eapptag, ret, cleanup);
+    DUP_STRING_GOTO(ctx, orig->emsg, dup->emsg, ret, cleanup);
+    dup->exts = lysc_ext_instance_dup(ctx, orig->exts);
+
+    return dup;
+cleanup:
+    free(dup);
+    (void) ret; /* set but not used due to the return type */
+    return NULL;
+}
+
+struct lysc_node *
+lysc_xpath_context(struct lysc_node *start)
+{
+    for (; start && !(start->nodetype & (LYS_CONTAINER | LYS_LEAF | LYS_LEAFLIST | LYS_LIST | LYS_ANYDATA | LYS_RPC | LYS_ACTION | LYS_NOTIF));
+            start = start->parent) {}
+    return start;
+}
+
+/**
+ * @brief Compile information from the when statement
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] when_p Parsed when structure.
+ * @param[in] flags Flags of the parsed node with the when statement.
+ * @param[in] ctx_node Context node for the when statement.
+ * @param[out] when Pointer where to store pointer to the created compiled when structure.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_when_(struct lysc_ctx *ctx, struct lysp_when *when_p, uint16_t flags, const struct lysc_node *ctx_node,
+        struct lysc_when **when)
+{
+    LY_ERR ret = LY_SUCCESS;
+
+    *when = calloc(1, sizeof **when);
+    LY_CHECK_ERR_RET(!(*when), LOGMEM(ctx->ctx), LY_EMEM);
+    (*when)->refcount = 1;
+    LY_CHECK_RET(lyxp_expr_parse(ctx->ctx, when_p->cond, 0, 1, &(*when)->cond));
+    LY_CHECK_RET(lysc_prefixes_compile(when_p->cond, strlen(when_p->cond), ctx->pmod, &(*when)->prefixes));
+    (*when)->context = (struct lysc_node *)ctx_node;
+    DUP_STRING_GOTO(ctx->ctx, when_p->dsc, (*when)->dsc, ret, done);
+    DUP_STRING_GOTO(ctx->ctx, when_p->ref, (*when)->ref, ret, done);
+    COMPILE_EXTS_GOTO(ctx, when_p->exts, (*when)->exts, (*when), LYEXT_PAR_WHEN, ret, done);
+    (*when)->flags = flags & LYS_STATUS_MASK;
+
+done:
+    return ret;
+}
+
+LY_ERR
+lys_compile_when(struct lysc_ctx *ctx, struct lysp_when *when_p, uint16_t flags, const struct lysc_node *ctx_node,
+        struct lysc_node *node, struct lysc_when **when_c)
+{
+    struct lysc_when **new_when, ***node_when;
+
+    assert(when_p);
+
+    /* get the when array */
+    if (node->nodetype & LYS_ACTION) {
+        node_when = &((struct lysc_action *)node)->when;
+    } else if (node->nodetype == LYS_NOTIF) {
+        node_when = &((struct lysc_notif *)node)->when;
+    } else {
+        node_when = &node->when;
+    }
+
+    /* create new when pointer */
+    LY_ARRAY_NEW_RET(ctx->ctx, *node_when, new_when, LY_EMEM);
+    if (!when_c || !(*when_c)) {
+        /* compile when */
+        LY_CHECK_RET(lys_compile_when_(ctx, when_p, flags, ctx_node, new_when));
+
+        if (!(ctx->options & LYS_COMPILE_GROUPING)) {
+            /* do not check "when" semantics in a grouping */
+            LY_CHECK_RET(ly_set_add(&ctx->xpath, node, 0, NULL));
+        }
+
+        /* remember the compiled when for sharing */
+        if (when_c) {
+            *when_c = *new_when;
+        }
+    } else {
+        /* use the previously compiled when */
+        ++(*when_c)->refcount;
+        *new_when = *when_c;
+
+        if (!(ctx->options & LYS_COMPILE_GROUPING)) {
+            /* in this case check "when" again for all children because of dummy node check */
+            LY_CHECK_RET(ly_set_add(&ctx->xpath, node, 0, NULL));
+        }
+    }
+
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Compile information from the must statement
+ * @param[in] ctx Compile context.
+ * @param[in] must_p The parsed must statement structure.
+ * @param[in,out] must Prepared (empty) compiled must structure to fill.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_must(struct lysc_ctx *ctx, struct lysp_restr *must_p, struct lysc_must *must)
+{
+    LY_ERR ret = LY_SUCCESS;
+
+    LY_CHECK_RET(lyxp_expr_parse(ctx->ctx, must_p->arg.str, 0, 1, &must->cond));
+    LY_CHECK_RET(lysc_prefixes_compile(must_p->arg.str, strlen(must_p->arg.str), must_p->arg.mod, &must->prefixes));
+    DUP_STRING_GOTO(ctx->ctx, must_p->eapptag, must->eapptag, ret, done);
+    DUP_STRING_GOTO(ctx->ctx, must_p->emsg, must->emsg, ret, done);
+    DUP_STRING_GOTO(ctx->ctx, must_p->dsc, must->dsc, ret, done);
+    DUP_STRING_GOTO(ctx->ctx, must_p->ref, must->ref, ret, done);
+    COMPILE_EXTS_GOTO(ctx, must_p->exts, must->exts, must, LYEXT_PAR_MUST, ret, done);
+
+done:
+    return ret;
+}
+
+/**
+ * @brief Validate and normalize numeric value from a range definition.
+ * @param[in] ctx Compile context.
+ * @param[in] basetype Base YANG built-in type of the node connected with the range restriction. Actually only LY_TYPE_DEC64 is important to
+ * allow processing of the fractions. The fraction point is extracted from the value which is then normalize according to given frdigits into
+ * valcopy to allow easy parsing and storing of the value. libyang stores decimal number without the decimal point which is always recovered from
+ * the known fraction-digits value. So, with fraction-digits 2, number 3.14 is stored as 314 and number 1 is stored as 100.
+ * @param[in] frdigits The fraction-digits of the type in case of LY_TYPE_DEC64.
+ * @param[in] value String value of the range boundary.
+ * @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.
+ * @param[out] valcopy NULL-terminated string with the numeric value to parse and store.
+ * @return LY_ERR value - LY_SUCCESS, LY_EMEM, LY_EVALID (no number) or LY_EINVAL (decimal64 not matching fraction-digits value).
+ */
+static LY_ERR
+range_part_check_value_syntax(struct lysc_ctx *ctx, LY_DATA_TYPE basetype, uint8_t frdigits, const char *value,
+        size_t *len, char **valcopy)
+{
+    size_t fraction = 0, size;
+
+    *len = 0;
+
+    assert(value);
+    /* parse value */
+    if (!isdigit(value[*len]) && (value[*len] != '-') && (value[*len] != '+')) {
+        return LY_EVALID;
+    }
+
+    if ((value[*len] == '-') || (value[*len] == '+')) {
+        ++(*len);
+    }
+
+    while (isdigit(value[*len])) {
+        ++(*len);
+    }
+
+    if ((basetype != LY_TYPE_DEC64) || (value[*len] != '.') || !isdigit(value[*len + 1])) {
+        if (basetype == LY_TYPE_DEC64) {
+            goto decimal;
+        } else {
+            *valcopy = strndup(value, *len);
+            return LY_SUCCESS;
+        }
+    }
+    fraction = *len;
+
+    ++(*len);
+    while (isdigit(value[*len])) {
+        ++(*len);
+    }
+
+    if (basetype == LY_TYPE_DEC64) {
+decimal:
+        assert(frdigits);
+        if (fraction && (*len - 1 - fraction > frdigits)) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                    "Range boundary \"%.*s\" of decimal64 type exceeds defined number (%u) of fraction digits.",
+                    *len, value, frdigits);
+            return LY_EINVAL;
+        }
+        if (fraction) {
+            size = (*len) + (frdigits - ((*len) - 1 - fraction));
+        } else {
+            size = (*len) + frdigits + 1;
+        }
+        *valcopy = malloc(size * sizeof **valcopy);
+        LY_CHECK_ERR_RET(!(*valcopy), LOGMEM(ctx->ctx), LY_EMEM);
+
+        (*valcopy)[size - 1] = '\0';
+        if (fraction) {
+            memcpy(&(*valcopy)[0], &value[0], fraction);
+            memcpy(&(*valcopy)[fraction], &value[fraction + 1], (*len) - 1 - (fraction));
+            memset(&(*valcopy)[(*len) - 1], '0', frdigits - ((*len) - 1 - fraction));
+        } else {
+            memcpy(&(*valcopy)[0], &value[0], *len);
+            memset(&(*valcopy)[*len], '0', frdigits);
+        }
+    }
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Check that values in range are in ascendant order.
+ * @param[in] unsigned_value Flag to note that we are working with unsigned values.
+ * @param[in] max Flag to distinguish if checking min or max value. min value must be strictly higher than previous,
+ * max can be also equal.
+ * @param[in] value Current value to check.
+ * @param[in] prev_value The last seen value.
+ * @return LY_SUCCESS or LY_EEXIST for invalid order.
+ */
+static LY_ERR
+range_part_check_ascendancy(ly_bool unsigned_value, ly_bool max, int64_t value, int64_t prev_value)
+{
+    if (unsigned_value) {
+        if ((max && ((uint64_t)prev_value > (uint64_t)value)) || (!max && ((uint64_t)prev_value >= (uint64_t)value))) {
+            return LY_EEXIST;
+        }
+    } else {
+        if ((max && (prev_value > value)) || (!max && (prev_value >= value))) {
+            return LY_EEXIST;
+        }
+    }
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Set min/max value of the range part.
+ * @param[in] ctx Compile context.
+ * @param[in] part Range part structure to fill.
+ * @param[in] max Flag to distinguish if storing min or max value.
+ * @param[in] prev The last seen value to check that all values in range are specified in ascendant order.
+ * @param[in] basetype Type of the value to get know implicit min/max values and other checking rules.
+ * @param[in] first Flag for the first value of the range to avoid ascendancy order.
+ * @param[in] length_restr Flag to distinguish between range and length restrictions. Only for logging.
+ * @param[in] frdigits The fraction-digits value in case of LY_TYPE_DEC64 basetype.
+ * @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.
+ * @param[in,out] value Numeric range value to be stored, if not provided the type's min/max value is set.
+ * @return LY_ERR value - LY_SUCCESS, LY_EDENIED (value brokes type's boundaries), LY_EVALID (not a number),
+ * LY_EEXIST (value is smaller than the previous one), LY_EINVAL (decimal64 value does not corresponds with the
+ * frdigits value), LY_EMEM.
+ */
+static LY_ERR
+range_part_minmax(struct lysc_ctx *ctx, struct lysc_range_part *part, ly_bool max, int64_t prev, LY_DATA_TYPE basetype,
+        ly_bool first, ly_bool length_restr, uint8_t frdigits, struct lysc_range *base_range, const char **value)
+{
+    LY_ERR ret = LY_SUCCESS;
+    char *valcopy = NULL;
+    size_t len;
+
+    if (value) {
+        ret = range_part_check_value_syntax(ctx, basetype, frdigits, *value, &len, &valcopy);
+        LY_CHECK_GOTO(ret, finalize);
+    }
+    if (!valcopy && base_range) {
+        if (max) {
+            part->max_64 = base_range->parts[LY_ARRAY_COUNT(base_range->parts) - 1].max_64;
+        } else {
+            part->min_64 = base_range->parts[0].min_64;
+        }
+        if (!first) {
+            ret = range_part_check_ascendancy(basetype <= LY_TYPE_STRING ? 1 : 0, max, max ? part->max_64 : part->min_64, prev);
+        }
+        goto finalize;
+    }
+
+    switch (basetype) {
+    case LY_TYPE_INT8: /* range */
+        if (valcopy) {
+            ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-128), INT64_C(127), 10, max ? &part->max_64 : &part->min_64);
+        } else if (max) {
+            part->max_64 = INT64_C(127);
+        } else {
+            part->min_64 = INT64_C(-128);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_INT16: /* range */
+        if (valcopy) {
+            ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-32768), INT64_C(32767), 10, max ? &part->max_64 : &part->min_64);
+        } else if (max) {
+            part->max_64 = INT64_C(32767);
+        } else {
+            part->min_64 = INT64_C(-32768);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_INT32: /* range */
+        if (valcopy) {
+            ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-2147483648), INT64_C(2147483647), 10, max ? &part->max_64 : &part->min_64);
+        } else if (max) {
+            part->max_64 = INT64_C(2147483647);
+        } else {
+            part->min_64 = INT64_C(-2147483648);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_INT64: /* range */
+    case LY_TYPE_DEC64: /* range */
+        if (valcopy) {
+            ret = ly_parse_int(valcopy, strlen(valcopy), INT64_C(-9223372036854775807) - INT64_C(1), INT64_C(9223372036854775807), 10,
+                    max ? &part->max_64 : &part->min_64);
+        } else if (max) {
+            part->max_64 = INT64_C(9223372036854775807);
+        } else {
+            part->min_64 = INT64_C(-9223372036854775807) - INT64_C(1);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(0, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_UINT8: /* range */
+        if (valcopy) {
+            ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(255), 10, max ? &part->max_u64 : &part->min_u64);
+        } else if (max) {
+            part->max_u64 = UINT64_C(255);
+        } else {
+            part->min_u64 = UINT64_C(0);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_UINT16: /* range */
+        if (valcopy) {
+            ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(65535), 10, max ? &part->max_u64 : &part->min_u64);
+        } else if (max) {
+            part->max_u64 = UINT64_C(65535);
+        } else {
+            part->min_u64 = UINT64_C(0);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_UINT32: /* range */
+        if (valcopy) {
+            ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(4294967295), 10, max ? &part->max_u64 : &part->min_u64);
+        } else if (max) {
+            part->max_u64 = UINT64_C(4294967295);
+        } else {
+            part->min_u64 = UINT64_C(0);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    case LY_TYPE_UINT64: /* range */
+    case LY_TYPE_STRING: /* length */
+    case LY_TYPE_BINARY: /* length */
+        if (valcopy) {
+            ret = ly_parse_uint(valcopy, strlen(valcopy), UINT64_C(18446744073709551615), 10, max ? &part->max_u64 : &part->min_u64);
+        } else if (max) {
+            part->max_u64 = UINT64_C(18446744073709551615);
+        } else {
+            part->min_u64 = UINT64_C(0);
+        }
+        if (!ret && !first) {
+            ret = range_part_check_ascendancy(1, max, max ? part->max_64 : part->min_64, prev);
+        }
+        break;
+    default:
+        LOGINT(ctx->ctx);
+        ret = LY_EINT;
+    }
+
+finalize:
+    if (ret == LY_EDENIED) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                "Invalid %s restriction - value \"%s\" does not fit the type limitations.",
+                length_restr ? "length" : "range", valcopy ? valcopy : *value);
+    } else if (ret == LY_EVALID) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                "Invalid %s restriction - invalid value \"%s\".",
+                length_restr ? "length" : "range", valcopy ? valcopy : *value);
+    } else if (ret == LY_EEXIST) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                "Invalid %s restriction - values are not in ascending order (%s).",
+                length_restr ? "length" : "range",
+                (valcopy && basetype != LY_TYPE_DEC64) ? valcopy : value ? *value : max ? "max" : "min");
+    } else if (!ret && value) {
+        *value = *value + len;
+    }
+    free(valcopy);
+    return ret;
+}
+
+/**
+ * @brief Compile the parsed range restriction.
+ * @param[in] ctx Compile context.
+ * @param[in] range_p Parsed range structure to compile.
+ * @param[in] basetype Base YANG built-in type of the node with the range restriction.
+ * @param[in] length_restr Flag to distinguish between range and length restrictions. Only for logging.
+ * @param[in] frdigits The fraction-digits value in case of LY_TYPE_DEC64 basetype.
+ * @param[in] base_range Range restriction of the type from which the current type is derived. The current
+ * range restriction must be more restrictive than the base_range.
+ * @param[in,out] range Pointer to the created current range structure.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_type_range(struct lysc_ctx *ctx, struct lysp_restr *range_p, LY_DATA_TYPE basetype, ly_bool length_restr,
+        uint8_t frdigits, struct lysc_range *base_range, struct lysc_range **range)
+{
+    LY_ERR ret = LY_EVALID;
+    const char *expr;
+    struct lysc_range_part *parts = NULL, *part;
+    ly_bool range_expected = 0, uns;
+    LY_ARRAY_COUNT_TYPE parts_done = 0, u, v;
+
+    assert(range);
+    assert(range_p);
+
+    expr = range_p->arg.str;
+    while (1) {
+        if (isspace(*expr)) {
+            ++expr;
+        } else if (*expr == '\0') {
+            if (range_expected) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                        "Invalid %s restriction - unexpected end of the expression after \"..\" (%s).",
+                        length_restr ? "length" : "range", range_p->arg);
+                goto cleanup;
+            } else if (!parts || (parts_done == LY_ARRAY_COUNT(parts))) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                        "Invalid %s restriction - unexpected end of the expression (%s).",
+                        length_restr ? "length" : "range", range_p->arg);
+                goto cleanup;
+            }
+            parts_done++;
+            break;
+        } else if (!strncmp(expr, "min", 3)) {
+            if (parts) {
+                /* min cannot be used elsewhere than in the first part */
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                        "Invalid %s restriction - unexpected data before min keyword (%.*s).", length_restr ? "length" : "range",
+                        expr - range_p->arg.str, range_p->arg.str);
+                goto cleanup;
+            }
+            expr += 3;
+
+            LY_ARRAY_NEW_GOTO(ctx->ctx, parts, part, ret, cleanup);
+            LY_CHECK_GOTO(range_part_minmax(ctx, part, 0, 0, basetype, 1, length_restr, frdigits, base_range, NULL), cleanup);
+            part->max_64 = part->min_64;
+        } else if (*expr == '|') {
+            if (!parts || range_expected) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                        "Invalid %s restriction - unexpected beginning of the expression (%s).", length_restr ? "length" : "range", expr);
+                goto cleanup;
+            }
+            expr++;
+            parts_done++;
+            /* process next part of the expression */
+        } else if (!strncmp(expr, "..", 2)) {
+            expr += 2;
+            while (isspace(*expr)) {
+                expr++;
+            }
+            if (!parts || (LY_ARRAY_COUNT(parts) == parts_done)) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                        "Invalid %s restriction - unexpected \"..\" without a lower bound.", length_restr ? "length" : "range");
+                goto cleanup;
+            }
+            /* continue expecting the upper boundary */
+            range_expected = 1;
+        } else if (isdigit(*expr) || (*expr == '-') || (*expr == '+')) {
+            /* number */
+            if (range_expected) {
+                part = &parts[LY_ARRAY_COUNT(parts) - 1];
+                LY_CHECK_GOTO(range_part_minmax(ctx, part, 1, part->min_64, basetype, 0, length_restr, frdigits, NULL, &expr), cleanup);
+                range_expected = 0;
+            } else {
+                LY_ARRAY_NEW_GOTO(ctx->ctx, parts, part, ret, cleanup);
+                LY_CHECK_GOTO(range_part_minmax(ctx, part, 0, parts_done ? parts[LY_ARRAY_COUNT(parts) - 2].max_64 : 0,
+                        basetype, parts_done ? 0 : 1, length_restr, frdigits, NULL, &expr), cleanup);
+                part->max_64 = part->min_64;
+            }
+
+            /* continue with possible another expression part */
+        } else if (!strncmp(expr, "max", 3)) {
+            expr += 3;
+            while (isspace(*expr)) {
+                expr++;
+            }
+            if (*expr != '\0') {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG, "Invalid %s restriction - unexpected data after max keyword (%s).",
+                        length_restr ? "length" : "range", expr);
+                goto cleanup;
+            }
+            if (range_expected) {
+                part = &parts[LY_ARRAY_COUNT(parts) - 1];
+                LY_CHECK_GOTO(range_part_minmax(ctx, part, 1, part->min_64, basetype, 0, length_restr, frdigits, base_range, NULL), cleanup);
+                range_expected = 0;
+            } else {
+                LY_ARRAY_NEW_GOTO(ctx->ctx, parts, part, ret, cleanup);
+                LY_CHECK_GOTO(range_part_minmax(ctx, part, 1, parts_done ? parts[LY_ARRAY_COUNT(parts) - 2].max_64 : 0,
+                        basetype, parts_done ? 0 : 1, length_restr, frdigits, base_range, NULL), cleanup);
+                part->min_64 = part->max_64;
+            }
+        } else {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG, "Invalid %s restriction - unexpected data (%s).",
+                    length_restr ? "length" : "range", expr);
+            goto cleanup;
+        }
+    }
+
+    /* check with the previous range/length restriction */
+    if (base_range) {
+        switch (basetype) {
+        case LY_TYPE_BINARY:
+        case LY_TYPE_UINT8:
+        case LY_TYPE_UINT16:
+        case LY_TYPE_UINT32:
+        case LY_TYPE_UINT64:
+        case LY_TYPE_STRING:
+            uns = 1;
+            break;
+        case LY_TYPE_DEC64:
+        case LY_TYPE_INT8:
+        case LY_TYPE_INT16:
+        case LY_TYPE_INT32:
+        case LY_TYPE_INT64:
+            uns = 0;
+            break;
+        default:
+            LOGINT(ctx->ctx);
+            ret = LY_EINT;
+            goto cleanup;
+        }
+        for (u = v = 0; u < parts_done && v < LY_ARRAY_COUNT(base_range->parts); ++u) {
+            if ((uns && (parts[u].min_u64 < base_range->parts[v].min_u64)) || (!uns && (parts[u].min_64 < base_range->parts[v].min_64))) {
+                goto baseerror;
+            }
+            /* current lower bound is not lower than the base */
+            if (base_range->parts[v].min_64 == base_range->parts[v].max_64) {
+                /* base has single value */
+                if (base_range->parts[v].min_64 == parts[u].min_64) {
+                    /* both lower bounds are the same */
+                    if (parts[u].min_64 != parts[u].max_64) {
+                        /* current continues with a range */
+                        goto baseerror;
+                    } else {
+                        /* equal single values, move both forward */
+                        ++v;
+                        continue;
+                    }
+                } else {
+                    /* base is single value lower than current range, so the
+                     * value from base range is removed in the current,
+                     * move only base and repeat checking */
+                    ++v;
+                    --u;
+                    continue;
+                }
+            } else {
+                /* base is the range */
+                if (parts[u].min_64 == parts[u].max_64) {
+                    /* current is a single value */
+                    if ((uns && (parts[u].max_u64 > base_range->parts[v].max_u64)) || (!uns && (parts[u].max_64 > base_range->parts[v].max_64))) {
+                        /* current is behind the base range, so base range is omitted,
+                         * move the base and keep the current for further check */
+                        ++v;
+                        --u;
+                    } /* else it is within the base range, so move the current, but keep the base */
+                    continue;
+                } else {
+                    /* both are ranges - check the higher bound, the lower was already checked */
+                    if ((uns && (parts[u].max_u64 > base_range->parts[v].max_u64)) || (!uns && (parts[u].max_64 > base_range->parts[v].max_64))) {
+                        /* higher bound is higher than the current higher bound */
+                        if ((uns && (parts[u].min_u64 > base_range->parts[v].max_u64)) || (!uns && (parts[u].min_64 > base_range->parts[v].max_64))) {
+                            /* but the current lower bound is also higher, so the base range is omitted,
+                             * continue with the same current, but move the base */
+                            --u;
+                            ++v;
+                            continue;
+                        }
+                        /* current range starts within the base range but end behind it */
+                        goto baseerror;
+                    } else {
+                        /* current range is smaller than the base,
+                         * move current, but stay with the base */
+                        continue;
+                    }
+                }
+            }
+        }
+        if (u != parts_done) {
+baseerror:
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                    "Invalid %s restriction - the derived restriction (%s) is not equally or more limiting.",
+                    length_restr ? "length" : "range", range_p->arg);
+            goto cleanup;
+        }
+    }
+
+    if (!(*range)) {
+        *range = calloc(1, sizeof **range);
+        LY_CHECK_ERR_RET(!(*range), LOGMEM(ctx->ctx), LY_EMEM);
+    }
+
+    /* we rewrite the following values as the types chain is being processed */
+    if (range_p->eapptag) {
+        lydict_remove(ctx->ctx, (*range)->eapptag);
+        LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->eapptag, 0, &(*range)->eapptag), cleanup);
+    }
+    if (range_p->emsg) {
+        lydict_remove(ctx->ctx, (*range)->emsg);
+        LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->emsg, 0, &(*range)->emsg), cleanup);
+    }
+    if (range_p->dsc) {
+        lydict_remove(ctx->ctx, (*range)->dsc);
+        LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->dsc, 0, &(*range)->dsc), cleanup);
+    }
+    if (range_p->ref) {
+        lydict_remove(ctx->ctx, (*range)->ref);
+        LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, range_p->ref, 0, &(*range)->ref), cleanup);
+    }
+    /* extensions are taken only from the last range by the caller */
+
+    (*range)->parts = parts;
+    parts = NULL;
+    ret = LY_SUCCESS;
+cleanup:
+    LY_ARRAY_FREE(parts);
+
+    return ret;
+}
+
+LY_ERR
+lys_compile_type_pattern_check(struct ly_ctx *ctx, const char *log_path, const char *pattern, pcre2_code **code)
+{
+    size_t idx, idx2, start, end, size, brack;
+    char *perl_regex, *ptr;
+    int err_code;
+    const char *orig_ptr;
+    PCRE2_SIZE err_offset;
+    pcre2_code *code_local;
+
+#define URANGE_LEN 19
+    char *ublock2urange[][2] = {
+        {"BasicLatin", "[\\x{0000}-\\x{007F}]"},
+        {"Latin-1Supplement", "[\\x{0080}-\\x{00FF}]"},
+        {"LatinExtended-A", "[\\x{0100}-\\x{017F}]"},
+        {"LatinExtended-B", "[\\x{0180}-\\x{024F}]"},
+        {"IPAExtensions", "[\\x{0250}-\\x{02AF}]"},
+        {"SpacingModifierLetters", "[\\x{02B0}-\\x{02FF}]"},
+        {"CombiningDiacriticalMarks", "[\\x{0300}-\\x{036F}]"},
+        {"Greek", "[\\x{0370}-\\x{03FF}]"},
+        {"Cyrillic", "[\\x{0400}-\\x{04FF}]"},
+        {"Armenian", "[\\x{0530}-\\x{058F}]"},
+        {"Hebrew", "[\\x{0590}-\\x{05FF}]"},
+        {"Arabic", "[\\x{0600}-\\x{06FF}]"},
+        {"Syriac", "[\\x{0700}-\\x{074F}]"},
+        {"Thaana", "[\\x{0780}-\\x{07BF}]"},
+        {"Devanagari", "[\\x{0900}-\\x{097F}]"},
+        {"Bengali", "[\\x{0980}-\\x{09FF}]"},
+        {"Gurmukhi", "[\\x{0A00}-\\x{0A7F}]"},
+        {"Gujarati", "[\\x{0A80}-\\x{0AFF}]"},
+        {"Oriya", "[\\x{0B00}-\\x{0B7F}]"},
+        {"Tamil", "[\\x{0B80}-\\x{0BFF}]"},
+        {"Telugu", "[\\x{0C00}-\\x{0C7F}]"},
+        {"Kannada", "[\\x{0C80}-\\x{0CFF}]"},
+        {"Malayalam", "[\\x{0D00}-\\x{0D7F}]"},
+        {"Sinhala", "[\\x{0D80}-\\x{0DFF}]"},
+        {"Thai", "[\\x{0E00}-\\x{0E7F}]"},
+        {"Lao", "[\\x{0E80}-\\x{0EFF}]"},
+        {"Tibetan", "[\\x{0F00}-\\x{0FFF}]"},
+        {"Myanmar", "[\\x{1000}-\\x{109F}]"},
+        {"Georgian", "[\\x{10A0}-\\x{10FF}]"},
+        {"HangulJamo", "[\\x{1100}-\\x{11FF}]"},
+        {"Ethiopic", "[\\x{1200}-\\x{137F}]"},
+        {"Cherokee", "[\\x{13A0}-\\x{13FF}]"},
+        {"UnifiedCanadianAboriginalSyllabics", "[\\x{1400}-\\x{167F}]"},
+        {"Ogham", "[\\x{1680}-\\x{169F}]"},
+        {"Runic", "[\\x{16A0}-\\x{16FF}]"},
+        {"Khmer", "[\\x{1780}-\\x{17FF}]"},
+        {"Mongolian", "[\\x{1800}-\\x{18AF}]"},
+        {"LatinExtendedAdditional", "[\\x{1E00}-\\x{1EFF}]"},
+        {"GreekExtended", "[\\x{1F00}-\\x{1FFF}]"},
+        {"GeneralPunctuation", "[\\x{2000}-\\x{206F}]"},
+        {"SuperscriptsandSubscripts", "[\\x{2070}-\\x{209F}]"},
+        {"CurrencySymbols", "[\\x{20A0}-\\x{20CF}]"},
+        {"CombiningMarksforSymbols", "[\\x{20D0}-\\x{20FF}]"},
+        {"LetterlikeSymbols", "[\\x{2100}-\\x{214F}]"},
+        {"NumberForms", "[\\x{2150}-\\x{218F}]"},
+        {"Arrows", "[\\x{2190}-\\x{21FF}]"},
+        {"MathematicalOperators", "[\\x{2200}-\\x{22FF}]"},
+        {"MiscellaneousTechnical", "[\\x{2300}-\\x{23FF}]"},
+        {"ControlPictures", "[\\x{2400}-\\x{243F}]"},
+        {"OpticalCharacterRecognition", "[\\x{2440}-\\x{245F}]"},
+        {"EnclosedAlphanumerics", "[\\x{2460}-\\x{24FF}]"},
+        {"BoxDrawing", "[\\x{2500}-\\x{257F}]"},
+        {"BlockElements", "[\\x{2580}-\\x{259F}]"},
+        {"GeometricShapes", "[\\x{25A0}-\\x{25FF}]"},
+        {"MiscellaneousSymbols", "[\\x{2600}-\\x{26FF}]"},
+        {"Dingbats", "[\\x{2700}-\\x{27BF}]"},
+        {"BraillePatterns", "[\\x{2800}-\\x{28FF}]"},
+        {"CJKRadicalsSupplement", "[\\x{2E80}-\\x{2EFF}]"},
+        {"KangxiRadicals", "[\\x{2F00}-\\x{2FDF}]"},
+        {"IdeographicDescriptionCharacters", "[\\x{2FF0}-\\x{2FFF}]"},
+        {"CJKSymbolsandPunctuation", "[\\x{3000}-\\x{303F}]"},
+        {"Hiragana", "[\\x{3040}-\\x{309F}]"},
+        {"Katakana", "[\\x{30A0}-\\x{30FF}]"},
+        {"Bopomofo", "[\\x{3100}-\\x{312F}]"},
+        {"HangulCompatibilityJamo", "[\\x{3130}-\\x{318F}]"},
+        {"Kanbun", "[\\x{3190}-\\x{319F}]"},
+        {"BopomofoExtended", "[\\x{31A0}-\\x{31BF}]"},
+        {"EnclosedCJKLettersandMonths", "[\\x{3200}-\\x{32FF}]"},
+        {"CJKCompatibility", "[\\x{3300}-\\x{33FF}]"},
+        {"CJKUnifiedIdeographsExtensionA", "[\\x{3400}-\\x{4DB5}]"},
+        {"CJKUnifiedIdeographs", "[\\x{4E00}-\\x{9FFF}]"},
+        {"YiSyllables", "[\\x{A000}-\\x{A48F}]"},
+        {"YiRadicals", "[\\x{A490}-\\x{A4CF}]"},
+        {"HangulSyllables", "[\\x{AC00}-\\x{D7A3}]"},
+        {"PrivateUse", "[\\x{E000}-\\x{F8FF}]"},
+        {"CJKCompatibilityIdeographs", "[\\x{F900}-\\x{FAFF}]"},
+        {"AlphabeticPresentationForms", "[\\x{FB00}-\\x{FB4F}]"},
+        {"ArabicPresentationForms-A", "[\\x{FB50}-\\x{FDFF}]"},
+        {"CombiningHalfMarks", "[\\x{FE20}-\\x{FE2F}]"},
+        {"CJKCompatibilityForms", "[\\x{FE30}-\\x{FE4F}]"},
+        {"SmallFormVariants", "[\\x{FE50}-\\x{FE6F}]"},
+        {"ArabicPresentationForms-B", "[\\x{FE70}-\\x{FEFE}]"},
+        {"HalfwidthandFullwidthForms", "[\\x{FF00}-\\x{FFEF}]"},
+        {NULL, NULL}
+    };
+
+    /* adjust the expression to a Perl equivalent
+     * http://www.w3.org/TR/2004/REC-xmlschema-2-20041028/#regexs */
+
+    /* allocate space for the transformed pattern */
+    size = strlen(pattern) + 1;
+    perl_regex = malloc(size);
+    LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx), LY_EMEM);
+    perl_regex[0] = '\0';
+
+    /* we need to replace all "$" and "^" (that are not in "[]") with "\$" and "\^" */
+    brack = 0;
+    idx = 0;
+    orig_ptr = pattern;
+    while (orig_ptr[0]) {
+        switch (orig_ptr[0]) {
+        case '$':
+        case '^':
+            if (!brack) {
+                /* make space for the extra character */
+                ++size;
+                perl_regex = ly_realloc(perl_regex, size);
+                LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx), LY_EMEM);
+
+                /* print escape slash */
+                perl_regex[idx] = '\\';
+                ++idx;
+            }
+            break;
+        case '[':
+            /* must not be escaped */
+            if ((orig_ptr == pattern) || (orig_ptr[-1] != '\\')) {
+                ++brack;
+            }
+            break;
+        case ']':
+            if ((orig_ptr == pattern) || (orig_ptr[-1] != '\\')) {
+                /* pattern was checked and compiled already */
+                assert(brack);
+                --brack;
+            }
+            break;
+        default:
+            break;
+        }
+
+        /* copy char */
+        perl_regex[idx] = orig_ptr[0];
+
+        ++idx;
+        ++orig_ptr;
+    }
+    perl_regex[idx] = '\0';
+
+    /* substitute Unicode Character Blocks with exact Character Ranges */
+    while ((ptr = strstr(perl_regex, "\\p{Is"))) {
+        start = ptr - perl_regex;
+
+        ptr = strchr(ptr, '}');
+        if (!ptr) {
+            LOGVAL(ctx, LY_VLOG_STR, log_path, LY_VCODE_INREGEXP,
+                    pattern, perl_regex + start + 2, "unterminated character property");
+            free(perl_regex);
+            return LY_EVALID;
+        }
+        end = (ptr - perl_regex) + 1;
+
+        /* need more space */
+        if (end - start < URANGE_LEN) {
+            perl_regex = ly_realloc(perl_regex, strlen(perl_regex) + (URANGE_LEN - (end - start)) + 1);
+            LY_CHECK_ERR_RET(!perl_regex, LOGMEM(ctx); free(perl_regex), LY_EMEM);
+        }
+
+        /* find our range */
+        for (idx = 0; ublock2urange[idx][0]; ++idx) {
+            if (!strncmp(perl_regex + start + 5, ublock2urange[idx][0], strlen(ublock2urange[idx][0]))) {
+                break;
+            }
+        }
+        if (!ublock2urange[idx][0]) {
+            LOGVAL(ctx, LY_VLOG_STR, log_path, LY_VCODE_INREGEXP,
+                    pattern, perl_regex + start + 5, "unknown block name");
+            free(perl_regex);
+            return LY_EVALID;
+        }
+
+        /* make the space in the string and replace the block (but we cannot include brackets if it was already enclosed in them) */
+        for (idx2 = 0, idx = 0; idx2 < start; ++idx2) {
+            if ((perl_regex[idx2] == '[') && (!idx2 || (perl_regex[idx2 - 1] != '\\'))) {
+                ++idx;
+            }
+            if ((perl_regex[idx2] == ']') && (!idx2 || (perl_regex[idx2 - 1] != '\\'))) {
+                --idx;
+            }
+        }
+        if (idx) {
+            /* skip brackets */
+            memmove(perl_regex + start + (URANGE_LEN - 2), perl_regex + end, strlen(perl_regex + end) + 1);
+            memcpy(perl_regex + start, ublock2urange[idx][1] + 1, URANGE_LEN - 2);
+        } else {
+            memmove(perl_regex + start + URANGE_LEN, perl_regex + end, strlen(perl_regex + end) + 1);
+            memcpy(perl_regex + start, ublock2urange[idx][1], URANGE_LEN);
+        }
+    }
+
+    /* must return 0, already checked during parsing */
+    code_local = pcre2_compile((PCRE2_SPTR)perl_regex, PCRE2_ZERO_TERMINATED,
+            PCRE2_UTF | PCRE2_ANCHORED | PCRE2_ENDANCHORED | PCRE2_DOLLAR_ENDONLY | PCRE2_NO_AUTO_CAPTURE,
+            &err_code, &err_offset, NULL);
+    if (!code_local) {
+        PCRE2_UCHAR err_msg[256] = {0};
+        pcre2_get_error_message(err_code, err_msg, 256);
+        LOGVAL(ctx, LY_VLOG_STR, log_path, LY_VCODE_INREGEXP, pattern, perl_regex + err_offset, err_msg);
+        free(perl_regex);
+        return LY_EVALID;
+    }
+    free(perl_regex);
+
+    if (code) {
+        *code = code_local;
+    } else {
+        free(code_local);
+    }
+
+    return LY_SUCCESS;
+
+#undef URANGE_LEN
+}
+
+/**
+ * @brief Compile parsed pattern restriction in conjunction with the patterns from base type.
+ * @param[in] ctx Compile context.
+ * @param[in] patterns_p Array of parsed patterns from the current type to compile.
+ * @param[in] base_patterns Compiled patterns from the type from which the current type is derived.
+ * Patterns from the base type are inherited to have all the patterns that have to match at one place.
+ * @param[out] patterns Pointer to the storage for the patterns of the current type.
+ * @return LY_ERR LY_SUCCESS, LY_EMEM, LY_EVALID.
+ */
+static LY_ERR
+lys_compile_type_patterns(struct lysc_ctx *ctx, struct lysp_restr *patterns_p,
+        struct lysc_pattern **base_patterns, struct lysc_pattern ***patterns)
+{
+    struct lysc_pattern **pattern;
+    LY_ARRAY_COUNT_TYPE u;
+    LY_ERR ret = LY_SUCCESS;
+
+    /* first, copy the patterns from the base type */
+    if (base_patterns) {
+        *patterns = lysc_patterns_dup(ctx->ctx, base_patterns);
+        LY_CHECK_ERR_RET(!(*patterns), LOGMEM(ctx->ctx), LY_EMEM);
+    }
+
+    LY_ARRAY_FOR(patterns_p, u) {
+        LY_ARRAY_NEW_RET(ctx->ctx, (*patterns), pattern, LY_EMEM);
+        *pattern = calloc(1, sizeof **pattern);
+        ++(*pattern)->refcount;
+
+        ret = lys_compile_type_pattern_check(ctx->ctx, ctx->path, &patterns_p[u].arg.str[1], &(*pattern)->code);
+        LY_CHECK_RET(ret);
+
+        if (patterns_p[u].arg.str[0] == 0x15) {
+            (*pattern)->inverted = 1;
+        }
+        DUP_STRING_GOTO(ctx->ctx, &patterns_p[u].arg.str[1], (*pattern)->expr, ret, done);
+        DUP_STRING_GOTO(ctx->ctx, patterns_p[u].eapptag, (*pattern)->eapptag, ret, done);
+        DUP_STRING_GOTO(ctx->ctx, patterns_p[u].emsg, (*pattern)->emsg, ret, done);
+        DUP_STRING_GOTO(ctx->ctx, patterns_p[u].dsc, (*pattern)->dsc, ret, done);
+        DUP_STRING_GOTO(ctx->ctx, patterns_p[u].ref, (*pattern)->ref, ret, done);
+        COMPILE_EXTS_GOTO(ctx, patterns_p[u].exts, (*pattern)->exts, (*pattern), LYEXT_PAR_PATTERN, ret, done);
+    }
+done:
+    return ret;
+}
+
+/**
+ * @brief map of the possible restrictions combination for the specific built-in type.
+ */
+static uint16_t type_substmt_map[LY_DATA_TYPE_COUNT] = {
+    0 /* LY_TYPE_UNKNOWN */,
+    LYS_SET_LENGTH /* LY_TYPE_BINARY */,
+    LYS_SET_RANGE /* LY_TYPE_UINT8 */,
+    LYS_SET_RANGE /* LY_TYPE_UINT16 */,
+    LYS_SET_RANGE /* LY_TYPE_UINT32 */,
+    LYS_SET_RANGE /* LY_TYPE_UINT64 */,
+    LYS_SET_LENGTH | LYS_SET_PATTERN /* LY_TYPE_STRING */,
+    LYS_SET_BIT /* LY_TYPE_BITS */,
+    0 /* LY_TYPE_BOOL */,
+    LYS_SET_FRDIGITS | LYS_SET_RANGE /* LY_TYPE_DEC64 */,
+    0 /* LY_TYPE_EMPTY */,
+    LYS_SET_ENUM /* LY_TYPE_ENUM */,
+    LYS_SET_BASE /* LY_TYPE_IDENT */,
+    LYS_SET_REQINST /* LY_TYPE_INST */,
+    LYS_SET_REQINST | LYS_SET_PATH /* LY_TYPE_LEAFREF */,
+    LYS_SET_TYPE /* LY_TYPE_UNION */,
+    LYS_SET_RANGE /* LY_TYPE_INT8 */,
+    LYS_SET_RANGE /* LY_TYPE_INT16 */,
+    LYS_SET_RANGE /* LY_TYPE_INT32 */,
+    LYS_SET_RANGE /* LY_TYPE_INT64 */
+};
+
+/**
+ * @brief stringification of the YANG built-in data types
+ */
+const char *ly_data_type2str[LY_DATA_TYPE_COUNT] = {
+    "unknown", "binary", "8bit unsigned integer", "16bit unsigned integer",
+    "32bit unsigned integer", "64bit unsigned integer", "string", "bits", "boolean", "decimal64", "empty", "enumeration",
+    "identityref", "instance-identifier", "leafref", "union", "8bit integer", "16bit integer", "32bit integer", "64bit integer"
+};
+
+/**
+ * @brief Compile parsed type's enum structures (for enumeration and bits types).
+ * @param[in] ctx Compile context.
+ * @param[in] enums_p Array of the parsed enum structures to compile.
+ * @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.
+ * @param[in] base_enums Array of the compiled enums information from the (latest) base type to check if the current enums are compatible.
+ * @param[out] enums Newly created array of the compiled enums information for the current type.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_type_enums(struct lysc_ctx *ctx, struct lysp_type_enum *enums_p, LY_DATA_TYPE basetype,
+        struct lysc_type_bitenum_item *base_enums, struct lysc_type_bitenum_item **enums)
+{
+    LY_ERR ret = LY_SUCCESS;
+    LY_ARRAY_COUNT_TYPE u, v, match = 0;
+    int32_t value = 0;
+    uint32_t position = 0;
+    struct lysc_type_bitenum_item *e, storage;
+
+    if (base_enums && (ctx->pmod->version < LYS_VERSION_1_1)) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG, "%s type can be subtyped only in YANG 1.1 modules.",
+                basetype == LY_TYPE_ENUM ? "Enumeration" : "Bits");
+        return LY_EVALID;
+    }
+
+    LY_ARRAY_FOR(enums_p, u) {
+        LY_ARRAY_NEW_RET(ctx->ctx, *enums, e, LY_EMEM);
+        DUP_STRING_GOTO(ctx->ctx, enums_p[u].name, e->name, ret, done);
+        DUP_STRING_GOTO(ctx->ctx, enums_p[u].ref, e->dsc, ret, done);
+        DUP_STRING_GOTO(ctx->ctx, enums_p[u].ref, e->ref, ret, done);
+        e->flags = enums_p[u].flags & LYS_FLAGS_COMPILED_MASK;
+        if (base_enums) {
+            /* check the enum/bit presence in the base type - the set of enums/bits in the derived type must be a subset */
+            LY_ARRAY_FOR(base_enums, v) {
+                if (!strcmp(e->name, base_enums[v].name)) {
+                    break;
+                }
+            }
+            if (v == LY_ARRAY_COUNT(base_enums)) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                        "Invalid %s - derived type adds new item \"%s\".",
+                        basetype == LY_TYPE_ENUM ? "enumeration" : "bits", e->name);
+                return LY_EVALID;
+            }
+            match = v;
+        }
+
+        if (basetype == LY_TYPE_ENUM) {
+            e->flags |= LYS_ISENUM;
+            if (enums_p[u].flags & LYS_SET_VALUE) {
+                e->value = (int32_t)enums_p[u].value;
+                if (!u || (e->value >= value)) {
+                    value = e->value + 1;
+                }
+                /* check collision with other values */
+                for (v = 0; v < LY_ARRAY_COUNT(*enums) - 1; ++v) {
+                    if (e->value == (*enums)[v].value) {
+                        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                                "Invalid enumeration - value %d collide in items \"%s\" and \"%s\".",
+                                e->value, e->name, (*enums)[v].name);
+                        return LY_EVALID;
+                    }
+                }
+            } else if (base_enums) {
+                /* inherit the assigned value */
+                e->value = base_enums[match].value;
+                if (!u || (e->value >= value)) {
+                    value = e->value + 1;
+                }
+            } else {
+                /* assign value automatically */
+                if (u && (value == INT32_MIN)) {
+                    /* counter overflow */
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid enumeration - it is not possible to auto-assign enum value for "
+                            "\"%s\" since the highest value is already 2147483647.", e->name);
+                    return LY_EVALID;
+                }
+                e->value = value++;
+            }
+        } else { /* LY_TYPE_BITS */
+            if (enums_p[u].flags & LYS_SET_VALUE) {
+                e->value = (int32_t)enums_p[u].value;
+                if (!u || ((uint32_t)e->value >= position)) {
+                    position = (uint32_t)e->value + 1;
+                }
+                /* check collision with other values */
+                for (v = 0; v < LY_ARRAY_COUNT(*enums) - 1; ++v) {
+                    if (e->value == (*enums)[v].value) {
+                        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                                "Invalid bits - position %u collide in items \"%s\" and \"%s\".",
+                                (uint32_t)e->value, e->name, (*enums)[v].name);
+                        return LY_EVALID;
+                    }
+                }
+            } else if (base_enums) {
+                /* inherit the assigned value */
+                e->value = base_enums[match].value;
+                if (!u || ((uint32_t)e->value >= position)) {
+                    position = (uint32_t)e->value + 1;
+                }
+            } else {
+                /* assign value automatically */
+                if (u && (position == 0)) {
+                    /* counter overflow */
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid bits - it is not possible to auto-assign bit position for "
+                            "\"%s\" since the highest value is already 4294967295.", e->name);
+                    return LY_EVALID;
+                }
+                e->value = position++;
+            }
+        }
+
+        if (base_enums) {
+            /* the assigned values must not change from the derived type */
+            if (e->value != base_enums[match].value) {
+                if (basetype == LY_TYPE_ENUM) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid enumeration - value of the item \"%s\" has changed from %d to %d in the derived type.",
+                            e->name, base_enums[match].value, e->value);
+                } else {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid bits - position of the item \"%s\" has changed from %u to %u in the derived type.",
+                            e->name, (uint32_t)base_enums[match].value, (uint32_t)e->value);
+                }
+                return LY_EVALID;
+            }
+        }
+
+        COMPILE_ARRAY_GOTO(ctx, enums_p[u].iffeatures, e->iffeatures, v, lys_compile_iffeature, ret, done);
+        COMPILE_EXTS_GOTO(ctx, enums_p[u].exts, e->exts, e, basetype == LY_TYPE_ENUM ? LYEXT_PAR_TYPE_ENUM : LYEXT_PAR_TYPE_BIT, ret, done);
+
+        if (basetype == LY_TYPE_BITS) {
+            /* keep bits ordered by position */
+            for (v = u; v && (*enums)[v - 1].value > e->value; --v) {}
+            if (v != u) {
+                memcpy(&storage, e, sizeof *e);
+                memmove(&(*enums)[v + 1], &(*enums)[v], (u - v) * sizeof **enums);
+                memcpy(&(*enums)[v], &storage, sizeof storage);
+            }
+        }
+    }
+
+done:
+    return ret;
+}
+
+/**
+ * @brief The core of the lys_compile_type() - compile information about the given type (from typedef or leaf/leaf-list).
+ * @param[in] ctx Compile context.
+ * @param[in] context_pnode Schema node where the type/typedef is placed to correctly find the base types.
+ * @param[in] context_flags Flags of the context node or the referencing typedef to correctly check status of referencing and referenced objects.
+ * @param[in] context_mod Module of the context node or the referencing typedef to correctly check status of referencing and referenced objects.
+ * @param[in] context_name Name of the context node or referencing typedef for logging.
+ * @param[in] type_p Parsed type to compile.
+ * @param[in] basetype Base YANG built-in type of the type to compile.
+ * @param[in] tpdfname Name of the type's typedef, serves as a flag - if it is leaf/leaf-list's type, it is NULL.
+ * @param[in] base The latest base (compiled) type from which the current type is being derived.
+ * @param[out] type Newly created type structure with the filled information about the type.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_type_(struct lysc_ctx *ctx, struct lysp_node *context_pnode, uint16_t context_flags,
+        struct lysp_module *context_mod, const char *context_name, struct lysp_type *type_p, LY_DATA_TYPE basetype,
+        const char *tpdfname, struct lysc_type *base, struct lysc_type **type)
+{
+    LY_ERR ret = LY_SUCCESS;
+    struct lysc_type_bin *bin;
+    struct lysc_type_num *num;
+    struct lysc_type_str *str;
+    struct lysc_type_bits *bits;
+    struct lysc_type_enum *enumeration;
+    struct lysc_type_dec *dec;
+    struct lysc_type_identityref *idref;
+    struct lysc_type_leafref *lref;
+    struct lysc_type_union *un, *un_aux;
+
+    switch (basetype) {
+    case LY_TYPE_BINARY:
+        bin = (struct lysc_type_bin *)(*type);
+
+        /* RFC 7950 9.8.1, 9.4.4 - length, number of octets it contains */
+        if (type_p->length) {
+            LY_CHECK_RET(lys_compile_type_range(ctx, type_p->length, basetype, 1, 0,
+                    base ? ((struct lysc_type_bin *)base)->length : NULL, &bin->length));
+            if (!tpdfname) {
+                COMPILE_EXTS_GOTO(ctx, type_p->length->exts, bin->length->exts, bin->length, LYEXT_PAR_LENGTH, ret, cleanup);
+            }
+        }
+        break;
+    case LY_TYPE_BITS:
+        /* RFC 7950 9.7 - bits */
+        bits = (struct lysc_type_bits *)(*type);
+        if (type_p->bits) {
+            LY_CHECK_RET(lys_compile_type_enums(ctx, type_p->bits, basetype,
+                    base ? (struct lysc_type_bitenum_item *)((struct lysc_type_bits *)base)->bits : NULL,
+                    (struct lysc_type_bitenum_item **)&bits->bits));
+        }
+
+        if (!base && !type_p->flags) {
+            /* type derived from bits built-in type must contain at least one bit */
+            if (tpdfname) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "bit", "bits type ", tpdfname);
+            } else {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "bit", "bits type", "");
+            }
+            return LY_EVALID;
+        }
+        break;
+    case LY_TYPE_DEC64:
+        dec = (struct lysc_type_dec *)(*type);
+
+        /* RFC 7950 9.3.4 - fraction-digits */
+        if (!base) {
+            if (!type_p->fraction_digits) {
+                if (tpdfname) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "fraction-digits", "decimal64 type ", tpdfname);
+                } else {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "fraction-digits", "decimal64 type", "");
+                }
+                return LY_EVALID;
+            }
+            dec->fraction_digits = type_p->fraction_digits;
+        } else {
+            if (type_p->fraction_digits) {
+                /* fraction digits is prohibited in types not directly derived from built-in decimal64 */
+                if (tpdfname) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid fraction-digits substatement for type \"%s\" not directly derived from decimal64 built-in type.",
+                            tpdfname);
+                } else {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid fraction-digits substatement for type not directly derived from decimal64 built-in type.");
+                }
+                return LY_EVALID;
+            }
+            dec->fraction_digits = ((struct lysc_type_dec *)base)->fraction_digits;
+        }
+
+        /* RFC 7950 9.2.4 - range */
+        if (type_p->range) {
+            LY_CHECK_RET(lys_compile_type_range(ctx, type_p->range, basetype, 0, dec->fraction_digits,
+                    base ? ((struct lysc_type_dec *)base)->range : NULL, &dec->range));
+            if (!tpdfname) {
+                COMPILE_EXTS_GOTO(ctx, type_p->range->exts, dec->range->exts, dec->range, LYEXT_PAR_RANGE, ret, cleanup);
+            }
+        }
+        break;
+    case LY_TYPE_STRING:
+        str = (struct lysc_type_str *)(*type);
+
+        /* RFC 7950 9.4.4 - length */
+        if (type_p->length) {
+            LY_CHECK_RET(lys_compile_type_range(ctx, type_p->length, basetype, 1, 0,
+                    base ? ((struct lysc_type_str *)base)->length : NULL, &str->length));
+            if (!tpdfname) {
+                COMPILE_EXTS_GOTO(ctx, type_p->length->exts, str->length->exts, str->length, LYEXT_PAR_LENGTH, ret, cleanup);
+            }
+        } else if (base && ((struct lysc_type_str *)base)->length) {
+            str->length = lysc_range_dup(ctx->ctx, ((struct lysc_type_str *)base)->length);
+        }
+
+        /* RFC 7950 9.4.5 - pattern */
+        if (type_p->patterns) {
+            LY_CHECK_RET(lys_compile_type_patterns(ctx, type_p->patterns,
+                    base ? ((struct lysc_type_str *)base)->patterns : NULL, &str->patterns));
+        } else if (base && ((struct lysc_type_str *)base)->patterns) {
+            str->patterns = lysc_patterns_dup(ctx->ctx, ((struct lysc_type_str *)base)->patterns);
+        }
+        break;
+    case LY_TYPE_ENUM:
+        enumeration = (struct lysc_type_enum *)(*type);
+
+        /* RFC 7950 9.6 - enum */
+        if (type_p->enums) {
+            LY_CHECK_RET(lys_compile_type_enums(ctx, type_p->enums, basetype,
+                    base ? ((struct lysc_type_enum *)base)->enums : NULL, &enumeration->enums));
+        }
+
+        if (!base && !type_p->flags) {
+            /* type derived from enumerations built-in type must contain at least one enum */
+            if (tpdfname) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "enum", "enumeration type ", tpdfname);
+            } else {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "enum", "enumeration type", "");
+            }
+            return LY_EVALID;
+        }
+        break;
+    case LY_TYPE_INT8:
+    case LY_TYPE_UINT8:
+    case LY_TYPE_INT16:
+    case LY_TYPE_UINT16:
+    case LY_TYPE_INT32:
+    case LY_TYPE_UINT32:
+    case LY_TYPE_INT64:
+    case LY_TYPE_UINT64:
+        num = (struct lysc_type_num *)(*type);
+
+        /* RFC 6020 9.2.4 - range */
+        if (type_p->range) {
+            LY_CHECK_RET(lys_compile_type_range(ctx, type_p->range, basetype, 0, 0,
+                    base ? ((struct lysc_type_num *)base)->range : NULL, &num->range));
+            if (!tpdfname) {
+                COMPILE_EXTS_GOTO(ctx, type_p->range->exts, num->range->exts, num->range, LYEXT_PAR_RANGE, ret, cleanup);
+            }
+        }
+        break;
+    case LY_TYPE_IDENT:
+        idref = (struct lysc_type_identityref *)(*type);
+
+        /* RFC 7950 9.10.2 - base */
+        if (type_p->bases) {
+            if (base) {
+                /* only the directly derived identityrefs can contain base specification */
+                if (tpdfname) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid base substatement for the type \"%s\" not directly derived from identityref built-in type.",
+                            tpdfname);
+                } else {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid base substatement for the type not directly derived from identityref built-in type.");
+                }
+                return LY_EVALID;
+            }
+            LY_CHECK_RET(lys_compile_identity_bases(ctx, type_p->pmod, type_p->bases, NULL, &idref->bases));
+        }
+
+        if (!base && !type_p->flags) {
+            /* type derived from identityref built-in type must contain at least one base */
+            if (tpdfname) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "base", "identityref type ", tpdfname);
+            } else {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "base", "identityref type", "");
+            }
+            return LY_EVALID;
+        }
+        break;
+    case LY_TYPE_LEAFREF:
+        lref = (struct lysc_type_leafref *)*type;
+
+        /* RFC 7950 9.9.3 - require-instance */
+        if (type_p->flags & LYS_SET_REQINST) {
+            if (context_mod->version < LYS_VERSION_1_1) {
+                if (tpdfname) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                            "Leafref type \"%s\" can be restricted by require-instance statement only in YANG 1.1 modules.", tpdfname);
+                } else {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                            "Leafref type can be restricted by require-instance statement only in YANG 1.1 modules.");
+                }
+                return LY_EVALID;
+            }
+            lref->require_instance = type_p->require_instance;
+        } else if (base) {
+            /* inherit */
+            lref->require_instance = ((struct lysc_type_leafref *)base)->require_instance;
+        } else {
+            /* default is true */
+            lref->require_instance = 1;
+        }
+        if (type_p->path) {
+            LY_CHECK_RET(lyxp_expr_dup(ctx->ctx, type_p->path, &lref->path));
+            LY_CHECK_RET(lysc_prefixes_compile(type_p->path->expr, strlen(type_p->path->expr), type_p->pmod,
+                    &lref->prefixes));
+        } else if (base) {
+            LY_CHECK_RET(lyxp_expr_dup(ctx->ctx, ((struct lysc_type_leafref *)base)->path, &lref->path));
+            LY_CHECK_RET(lysc_prefixes_dup(((struct lysc_type_leafref *)base)->prefixes, &lref->prefixes));
+        } else if (tpdfname) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "path", "leafref type ", tpdfname);
+            return LY_EVALID;
+        } else {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "path", "leafref type", "");
+            return LY_EVALID;
+        }
+        break;
+    case LY_TYPE_INST:
+        /* RFC 7950 9.9.3 - require-instance */
+        if (type_p->flags & LYS_SET_REQINST) {
+            ((struct lysc_type_instanceid *)(*type))->require_instance = type_p->require_instance;
+        } else {
+            /* default is true */
+            ((struct lysc_type_instanceid *)(*type))->require_instance = 1;
+        }
+        break;
+    case LY_TYPE_UNION:
+        un = (struct lysc_type_union *)(*type);
+
+        /* RFC 7950 7.4 - type */
+        if (type_p->types) {
+            if (base) {
+                /* only the directly derived union can contain types specification */
+                if (tpdfname) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid type substatement for the type \"%s\" not directly derived from union built-in type.",
+                            tpdfname);
+                } else {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG,
+                            "Invalid type substatement for the type not directly derived from union built-in type.");
+                }
+                return LY_EVALID;
+            }
+            /* compile the type */
+            LY_ARRAY_CREATE_RET(ctx->ctx, un->types, LY_ARRAY_COUNT(type_p->types), LY_EVALID);
+            for (LY_ARRAY_COUNT_TYPE u = 0, additional = 0; u < LY_ARRAY_COUNT(type_p->types); ++u) {
+                LY_CHECK_RET(lys_compile_type(ctx, context_pnode, context_flags, context_mod, context_name,
+                        &type_p->types[u], &un->types[u + additional], NULL, NULL));
+                if (un->types[u + additional]->basetype == LY_TYPE_UNION) {
+                    /* add space for additional types from the union subtype */
+                    un_aux = (struct lysc_type_union *)un->types[u + additional];
+                    LY_ARRAY_RESIZE_ERR_RET(ctx->ctx, un->types, (*((uint64_t *)(type_p->types) - 1)) + additional + LY_ARRAY_COUNT(un_aux->types) - 1,
+                            lysc_type_free(ctx->ctx, (struct lysc_type *)un_aux), LY_EMEM);
+
+                    /* copy subtypes of the subtype union */
+                    for (LY_ARRAY_COUNT_TYPE v = 0; v < LY_ARRAY_COUNT(un_aux->types); ++v) {
+                        if (un_aux->types[v]->basetype == LY_TYPE_LEAFREF) {
+                            /* duplicate the whole structure because of the instance-specific path resolving for realtype */
+                            un->types[u + additional] = calloc(1, sizeof(struct lysc_type_leafref));
+                            LY_CHECK_ERR_RET(!un->types[u + additional], LOGMEM(ctx->ctx); lysc_type_free(ctx->ctx, (struct lysc_type *)un_aux), LY_EMEM);
+                            lref = (struct lysc_type_leafref *)un->types[u + additional];
+
+                            lref->basetype = LY_TYPE_LEAFREF;
+                            LY_CHECK_RET(lyxp_expr_dup(ctx->ctx, ((struct lysc_type_leafref *)un_aux->types[v])->path, &lref->path));
+                            lref->refcount = 1;
+                            lref->require_instance = ((struct lysc_type_leafref *)un_aux->types[v])->require_instance;
+                            LY_CHECK_RET(lysc_prefixes_dup(((struct lysc_type_leafref *)un_aux->types[v])->prefixes,
+                                    &lref->prefixes));
+                            /* TODO extensions */
+
+                        } else {
+                            un->types[u + additional] = un_aux->types[v];
+                            ++un_aux->types[v]->refcount;
+                        }
+                        ++additional;
+                        LY_ARRAY_INCREMENT(un->types);
+                    }
+                    /* compensate u increment in main loop */
+                    --additional;
+
+                    /* free the replaced union subtype */
+                    lysc_type_free(ctx->ctx, (struct lysc_type *)un_aux);
+                } else {
+                    LY_ARRAY_INCREMENT(un->types);
+                }
+            }
+        }
+
+        if (!base && !type_p->flags) {
+            /* type derived from union built-in type must contain at least one type */
+            if (tpdfname) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "type", "union type ", tpdfname);
+            } else {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_MISSCHILDSTMT, "type", "union type", "");
+            }
+            return LY_EVALID;
+        }
+        break;
+    case LY_TYPE_BOOL:
+    case LY_TYPE_EMPTY:
+    case LY_TYPE_UNKNOWN: /* just to complete switch */
+        break;
+    }
+
+    if (tpdfname) {
+        switch (basetype) {
+        case LY_TYPE_BINARY:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_bin));
+            break;
+        case LY_TYPE_BITS:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_bits));
+            break;
+        case LY_TYPE_DEC64:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_dec));
+            break;
+        case LY_TYPE_STRING:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_str));
+            break;
+        case LY_TYPE_ENUM:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_enum));
+            break;
+        case LY_TYPE_INT8:
+        case LY_TYPE_UINT8:
+        case LY_TYPE_INT16:
+        case LY_TYPE_UINT16:
+        case LY_TYPE_INT32:
+        case LY_TYPE_UINT32:
+        case LY_TYPE_INT64:
+        case LY_TYPE_UINT64:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_num));
+            break;
+        case LY_TYPE_IDENT:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_identityref));
+            break;
+        case LY_TYPE_LEAFREF:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_leafref));
+            break;
+        case LY_TYPE_INST:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_instanceid));
+            break;
+        case LY_TYPE_UNION:
+            type_p->compiled = *type;
+            *type = calloc(1, sizeof(struct lysc_type_union));
+            break;
+        case LY_TYPE_BOOL:
+        case LY_TYPE_EMPTY:
+        case LY_TYPE_UNKNOWN: /* just to complete switch */
+            break;
+        }
+    }
+    LY_CHECK_ERR_RET(!(*type), LOGMEM(ctx->ctx), LY_EMEM);
+
+cleanup:
+    return ret;
+}
+
+LY_ERR
+lys_compile_type(struct lysc_ctx *ctx, struct lysp_node *context_pnode, uint16_t context_flags,
+        struct lysp_module *context_mod, const char *context_name, struct lysp_type *type_p,
+        struct lysc_type **type, const char **units, struct lysp_qname **dflt)
+{
+    LY_ERR ret = LY_SUCCESS;
+    ly_bool dummyloops = 0;
+    struct type_context {
+        const struct lysp_tpdf *tpdf;
+        struct lysp_node *node;
+        struct lysp_module *mod;
+    } *tctx, *tctx_prev = NULL, *tctx_iter;
+    LY_DATA_TYPE basetype = LY_TYPE_UNKNOWN;
+    struct lysc_type *base = NULL, *prev_type;
+    struct ly_set tpdf_chain = {0};
+
+    (*type) = NULL;
+    if (dflt) {
+        *dflt = NULL;
+    }
+
+    tctx = calloc(1, sizeof *tctx);
+    LY_CHECK_ERR_RET(!tctx, LOGMEM(ctx->ctx), LY_EMEM);
+    for (ret = lysp_type_find(type_p->name, context_pnode, ctx->pmod, &basetype, &tctx->tpdf, &tctx->node, &tctx->mod);
+            ret == LY_SUCCESS;
+            ret = lysp_type_find(tctx_prev->tpdf->type.name, tctx_prev->node, tctx_prev->mod,
+                    &basetype, &tctx->tpdf, &tctx->node, &tctx->mod)) {
+        if (basetype) {
+            break;
+        }
+
+        /* check status */
+        ret = lysc_check_status(ctx, context_flags, context_mod, context_name,
+                tctx->tpdf->flags, tctx->mod, tctx->node ? tctx->node->name : tctx->tpdf->name);
+        LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
+
+        if (units && !*units) {
+            /* inherit units */
+            DUP_STRING(ctx->ctx, tctx->tpdf->units, *units, ret);
+            LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
+        }
+        if (dflt && !*dflt && tctx->tpdf->dflt.str) {
+            /* inherit default */
+            *dflt = (struct lysp_qname *)&tctx->tpdf->dflt;
+        }
+        if (dummyloops && (!units || *units) && dflt && *dflt) {
+            basetype = ((struct type_context *)tpdf_chain.objs[tpdf_chain.count - 1])->tpdf->type.compiled->basetype;
+            break;
+        }
+
+        if (tctx->tpdf->type.compiled) {
+            /* it is not necessary to continue, the rest of the chain was already compiled,
+             * but we still may need to inherit default and units values, so start dummy loops */
+            basetype = tctx->tpdf->type.compiled->basetype;
+            ret = ly_set_add(&tpdf_chain, tctx, 1, NULL);
+            LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
+
+            if ((units && !*units) || (dflt && !*dflt)) {
+                dummyloops = 1;
+                goto preparenext;
+            } else {
+                tctx = NULL;
+                break;
+            }
+        }
+
+        /* circular typedef reference detection */
+        for (uint32_t u = 0; u < tpdf_chain.count; u++) {
+            /* local part */
+            tctx_iter = (struct type_context *)tpdf_chain.objs[u];
+            if ((tctx_iter->mod == tctx->mod) && (tctx_iter->node == tctx->node) && (tctx_iter->tpdf == tctx->tpdf)) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                        "Invalid \"%s\" type reference - circular chain of types detected.", tctx->tpdf->name);
+                free(tctx);
+                ret = LY_EVALID;
+                goto cleanup;
+            }
+        }
+        for (uint32_t u = 0; u < ctx->tpdf_chain.count; u++) {
+            /* global part for unions corner case */
+            tctx_iter = (struct type_context *)ctx->tpdf_chain.objs[u];
+            if ((tctx_iter->mod == tctx->mod) && (tctx_iter->node == tctx->node) && (tctx_iter->tpdf == tctx->tpdf)) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                        "Invalid \"%s\" type reference - circular chain of types detected.", tctx->tpdf->name);
+                free(tctx);
+                ret = LY_EVALID;
+                goto cleanup;
+            }
+        }
+
+        /* store information for the following processing */
+        ret = ly_set_add(&tpdf_chain, tctx, 1, NULL);
+        LY_CHECK_ERR_GOTO(ret, free(tctx), cleanup);
+
+preparenext:
+        /* prepare next loop */
+        tctx_prev = tctx;
+        tctx = calloc(1, sizeof *tctx);
+        LY_CHECK_ERR_RET(!tctx, LOGMEM(ctx->ctx), LY_EMEM);
+    }
+    free(tctx);
+
+    /* allocate type according to the basetype */
+    switch (basetype) {
+    case LY_TYPE_BINARY:
+        *type = calloc(1, sizeof(struct lysc_type_bin));
+        break;
+    case LY_TYPE_BITS:
+        *type = calloc(1, sizeof(struct lysc_type_bits));
+        break;
+    case LY_TYPE_BOOL:
+    case LY_TYPE_EMPTY:
+        *type = calloc(1, sizeof(struct lysc_type));
+        break;
+    case LY_TYPE_DEC64:
+        *type = calloc(1, sizeof(struct lysc_type_dec));
+        break;
+    case LY_TYPE_ENUM:
+        *type = calloc(1, sizeof(struct lysc_type_enum));
+        break;
+    case LY_TYPE_IDENT:
+        *type = calloc(1, sizeof(struct lysc_type_identityref));
+        break;
+    case LY_TYPE_INST:
+        *type = calloc(1, sizeof(struct lysc_type_instanceid));
+        break;
+    case LY_TYPE_LEAFREF:
+        *type = calloc(1, sizeof(struct lysc_type_leafref));
+        break;
+    case LY_TYPE_STRING:
+        *type = calloc(1, sizeof(struct lysc_type_str));
+        break;
+    case LY_TYPE_UNION:
+        *type = calloc(1, sizeof(struct lysc_type_union));
+        break;
+    case LY_TYPE_INT8:
+    case LY_TYPE_UINT8:
+    case LY_TYPE_INT16:
+    case LY_TYPE_UINT16:
+    case LY_TYPE_INT32:
+    case LY_TYPE_UINT32:
+    case LY_TYPE_INT64:
+    case LY_TYPE_UINT64:
+        *type = calloc(1, sizeof(struct lysc_type_num));
+        break;
+    case LY_TYPE_UNKNOWN:
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                "Referenced type \"%s\" not found.", tctx_prev ? tctx_prev->tpdf->type.name : type_p->name);
+        ret = LY_EVALID;
+        goto cleanup;
+    }
+    LY_CHECK_ERR_GOTO(!(*type), LOGMEM(ctx->ctx), cleanup);
+    if (~type_substmt_map[basetype] & type_p->flags) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG, "Invalid type restrictions for %s type.",
+                ly_data_type2str[basetype]);
+        free(*type);
+        (*type) = NULL;
+        ret = LY_EVALID;
+        goto cleanup;
+    }
+
+    /* get restrictions from the referred typedefs */
+    for (uint32_t u = tpdf_chain.count - 1; u + 1 > 0; --u) {
+        tctx = (struct type_context *)tpdf_chain.objs[u];
+
+        /* remember the typedef context for circular check */
+        ret = ly_set_add(&ctx->tpdf_chain, tctx, 1, NULL);
+        LY_CHECK_GOTO(ret, cleanup);
+
+        if (tctx->tpdf->type.compiled) {
+            base = tctx->tpdf->type.compiled;
+            continue;
+        } else if ((basetype != LY_TYPE_LEAFREF) && (u != tpdf_chain.count - 1) && !(tctx->tpdf->type.flags)) {
+            /* no change, just use the type information from the base */
+            base = ((struct lysp_tpdf *)tctx->tpdf)->type.compiled = ((struct type_context *)tpdf_chain.objs[u + 1])->tpdf->type.compiled;
+            ++base->refcount;
+            continue;
+        }
+
+        ++(*type)->refcount;
+        if (~type_substmt_map[basetype] & tctx->tpdf->type.flags) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SYNTAX_YANG, "Invalid type \"%s\" restriction(s) for %s type.",
+                    tctx->tpdf->name, ly_data_type2str[basetype]);
+            ret = LY_EVALID;
+            goto cleanup;
+        } else if ((basetype == LY_TYPE_EMPTY) && tctx->tpdf->dflt.str) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                    "Invalid type \"%s\" - \"empty\" type must not have a default value (%s).",
+                    tctx->tpdf->name, tctx->tpdf->dflt.str);
+            ret = LY_EVALID;
+            goto cleanup;
+        }
+
+        (*type)->basetype = basetype;
+        /* TODO user type plugins */
+        (*type)->plugin = &ly_builtin_type_plugins[basetype];
+        prev_type = *type;
+        ret = lys_compile_type_(ctx, tctx->node, tctx->tpdf->flags, tctx->mod, tctx->tpdf->name,
+                &((struct lysp_tpdf *)tctx->tpdf)->type, basetype, tctx->tpdf->name, base, type);
+        LY_CHECK_GOTO(ret, cleanup);
+        base = prev_type;
+    }
+    /* remove the processed typedef contexts from the stack for circular check */
+    ctx->tpdf_chain.count = ctx->tpdf_chain.count - tpdf_chain.count;
+
+    /* process the type definition in leaf */
+    if (type_p->flags || !base || (basetype == LY_TYPE_LEAFREF)) {
+        /* get restrictions from the node itself */
+        (*type)->basetype = basetype;
+        /* TODO user type plugins */
+        (*type)->plugin = &ly_builtin_type_plugins[basetype];
+        ++(*type)->refcount;
+        ret = lys_compile_type_(ctx, context_pnode, context_flags, context_mod, context_name, type_p, basetype, NULL,
+                base, type);
+        LY_CHECK_GOTO(ret, cleanup);
+    } else if ((basetype != LY_TYPE_BOOL) && (basetype != LY_TYPE_EMPTY)) {
+        /* no specific restriction in leaf's type definition, copy from the base */
+        free(*type);
+        (*type) = base;
+        ++(*type)->refcount;
+    }
+
+    COMPILE_EXTS_GOTO(ctx, type_p->exts, (*type)->exts, (*type), LYEXT_PAR_TYPE, ret, cleanup);
+
+cleanup:
+    ly_set_erase(&tpdf_chain, free);
+    return ret;
+}
+
+/**
+ * @brief Compile status information of the given node.
+ *
+ * To simplify getting status of the node, the flags are set following inheritance rules, so all the nodes
+ * has the status correctly set during the compilation.
+ *
+ * @param[in] ctx Compile context
+ * @param[in,out] node_flags Flags of the compiled node which status is supposed to be resolved.
+ * If the status was set explicitly on the node, it is already set in the flags value and we just check
+ * the compatibility with the parent's status value.
+ * @param[in] parent_flags Flags of the parent node to check/inherit the status value.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_status(struct lysc_ctx *ctx, uint16_t *node_flags, uint16_t parent_flags)
+{
+    /* status - it is not inherited by specification, but it does not make sense to have
+     * current in deprecated or deprecated in obsolete, so we do print warning and inherit status */
+    if (!((*node_flags) & LYS_STATUS_MASK)) {
+        if (parent_flags & (LYS_STATUS_DEPRC | LYS_STATUS_OBSLT)) {
+            if ((parent_flags & 0x3) != 0x3) {
+                /* do not print the warning when inheriting status from uses - the uses_status value has a special
+                 * combination of bits (0x3) which marks the uses_status value */
+                LOGWRN(ctx->ctx, "Missing explicit \"%s\" status that was already specified in parent, inheriting.",
+                        (parent_flags & LYS_STATUS_DEPRC) ? "deprecated" : "obsolete");
+            }
+            (*node_flags) |= parent_flags & LYS_STATUS_MASK;
+        } else {
+            (*node_flags) |= LYS_STATUS_CURR;
+        }
+    } else if (parent_flags & LYS_STATUS_MASK) {
+        /* check status compatibility with the parent */
+        if ((parent_flags & LYS_STATUS_MASK) > ((*node_flags) & LYS_STATUS_MASK)) {
+            if ((*node_flags) & LYS_STATUS_CURR) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                        "A \"current\" status is in conflict with the parent's \"%s\" status.",
+                        (parent_flags & LYS_STATUS_DEPRC) ? "deprecated" : "obsolete");
+            } else { /* LYS_STATUS_DEPRC */
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                        "A \"deprecated\" status is in conflict with the parent's \"obsolete\" status.");
+            }
+            return LY_EVALID;
+        }
+    }
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Check uniqness of the node/action/notification name.
+ *
+ * Data nodes, actions/RPCs and Notifications are stored separately (in distinguish lists) in the schema
+ * structures, but they share the namespace so we need to check their name collisions.
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] parent Parent of the nodes to check, can be NULL.
+ * @param[in] name Name of the item to find in the given lists.
+ * @param[in] exclude Node that was just added that should be excluded from the name checking.
+ * @return LY_SUCCESS in case of unique name, LY_EEXIST otherwise.
+ */
+static LY_ERR
+lys_compile_node_uniqness(struct lysc_ctx *ctx, const struct lysc_node *parent, const char *name,
+        const struct lysc_node *exclude)
+{
+    const struct lysc_node *iter, *iter2;
+    const struct lysc_action *actions;
+    const struct lysc_notif *notifs;
+    uint32_t getnext_flags;
+    LY_ARRAY_COUNT_TYPE u;
+
+#define CHECK_NODE(iter, exclude, name) (iter != (void *)exclude && (iter)->module == exclude->module && !strcmp(name, (iter)->name))
+
+    if (exclude->nodetype == LYS_CASE) {
+        /* check restricted only to all the cases */
+        assert(parent->nodetype == LYS_CHOICE);
+        LY_LIST_FOR(lysc_node_children(parent, 0), iter) {
+            if (CHECK_NODE(iter, exclude, name)) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_DUPIDENT, name, "case");
+                return LY_EEXIST;
+            }
+        }
+
+        return LY_SUCCESS;
+    }
+
+    /* no reason for our parent to be choice anymore */
+    assert(!parent || (parent->nodetype != LYS_CHOICE));
+
+    if (parent && (parent->nodetype == LYS_CASE)) {
+        /* move to the first data definition parent */
+        parent = lysc_data_parent(parent);
+    }
+
+    getnext_flags = LYS_GETNEXT_NOSTATECHECK | LYS_GETNEXT_WITHCHOICE;
+    if (parent && (parent->nodetype & (LYS_RPC | LYS_ACTION)) && (exclude->flags & LYS_CONFIG_R)) {
+        getnext_flags |= LYS_GETNEXT_OUTPUT;
+    }
+
+    iter = NULL;
+    while ((iter = lys_getnext(iter, parent, ctx->cur_mod->compiled, getnext_flags))) {
+        if (CHECK_NODE(iter, exclude, name)) {
+            goto error;
+        }
+
+        /* we must compare with both the choice and all its nested data-definiition nodes (but not recursively) */
+        if (iter->nodetype == LYS_CHOICE) {
+            iter2 = NULL;
+            while ((iter2 = lys_getnext(iter2, iter, NULL, LYS_GETNEXT_NOSTATECHECK))) {
+                if (CHECK_NODE(iter2, exclude, name)) {
+                    goto error;
+                }
+            }
+        }
+    }
+
+    actions = parent ? lysc_node_actions(parent) : ctx->cur_mod->compiled->rpcs;
+    LY_ARRAY_FOR(actions, u) {
+        if (CHECK_NODE(&actions[u], exclude, name)) {
+            goto error;
+        }
+    }
+
+    notifs = parent ? lysc_node_notifs(parent) : ctx->cur_mod->compiled->notifs;
+    LY_ARRAY_FOR(notifs, u) {
+        if (CHECK_NODE(&notifs[u], exclude, name)) {
+            goto error;
+        }
+    }
+    return LY_SUCCESS;
+
+error:
+    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LY_VCODE_DUPIDENT, name, "data definition/RPC/action/notification");
+    return LY_EEXIST;
+
+#undef CHECK_NODE
+}
+
+LY_ERR
+lys_compile_action(struct lysc_ctx *ctx, struct lysp_action *action_p, struct lysc_node *parent,
+        struct lysc_action *action, uint16_t uses_status)
+{
+    LY_ERR ret = LY_SUCCESS;
+    struct lysp_node *child_p, *dev_pnode = NULL, *dev_input_p = NULL, *dev_output_p = NULL;
+    struct lysp_action *orig_action_p = action_p;
+    struct lysp_action_inout *inout_p;
+    LY_ARRAY_COUNT_TYPE u;
+    ly_bool not_supported;
+    uint32_t opt_prev = ctx->options;
+
+    lysc_update_path(ctx, parent, action_p->name);
+
+    /* apply deviation on the action/RPC */
+    LY_CHECK_RET(lys_compile_node_deviations_refines(ctx, (struct lysp_node *)action_p, parent, &dev_pnode, &not_supported));
+    if (not_supported) {
+        lysc_update_path(ctx, NULL, NULL);
+        return LY_EDENIED;
+    } else if (dev_pnode) {
+        action_p = (struct lysp_action *)dev_pnode;
+    }
+
+    /* member needed for uniqueness check lys_getnext() */
+    action->nodetype = parent ? LYS_ACTION : LYS_RPC;
+    action->module = ctx->cur_mod;
+    action->parent = parent;
+
+    LY_CHECK_RET(lys_compile_node_uniqness(ctx, parent, action_p->name, (struct lysc_node *)action));
+
+    if (ctx->options & (LYS_COMPILE_RPC_MASK | LYS_COMPILE_NOTIFICATION)) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Action \"%s\" is placed inside %s.", action_p->name,
+                ctx->options & LYS_COMPILE_RPC_MASK ? "another RPC/action" : "notification");
+        return LY_EVALID;
+    }
+
+    action->sp = orig_action_p;
+    action->flags = action_p->flags & LYS_FLAGS_COMPILED_MASK;
+
+    /* status - it is not inherited by specification, but it does not make sense to have
+     * current in deprecated or deprecated in obsolete, so we do print warning and inherit status */
+    LY_CHECK_RET(lys_compile_status(ctx, &action->flags, uses_status ? uses_status : (parent ? parent->flags : 0)));
+
+    DUP_STRING_GOTO(ctx->ctx, action_p->name, action->name, ret, cleanup);
+    DUP_STRING_GOTO(ctx->ctx, action_p->dsc, action->dsc, ret, cleanup);
+    DUP_STRING_GOTO(ctx->ctx, action_p->ref, action->ref, ret, cleanup);
+    COMPILE_ARRAY_GOTO(ctx, action_p->iffeatures, action->iffeatures, u, lys_compile_iffeature, ret, cleanup);
+    COMPILE_EXTS_GOTO(ctx, action_p->exts, action->exts, action, LYEXT_PAR_NODE, ret, cleanup);
+
+    /* connect any action augments */
+    LY_CHECK_RET(lys_compile_node_augments(ctx, (struct lysc_node *)action));
+
+    /* input */
+    lysc_update_path(ctx, (struct lysc_node *)action, "input");
+
+    /* apply deviations on input */
+    LY_CHECK_RET(lys_compile_node_deviations_refines(ctx, (struct lysp_node *)&action_p->input, (struct lysc_node *)action,
+            &dev_input_p, &not_supported));
+    if (not_supported) {
+        inout_p = NULL;
+    } else if (dev_input_p) {
+        inout_p = (struct lysp_action_inout *)dev_input_p;
+    } else {
+        inout_p = &action_p->input;
+    }
+
+    if (inout_p) {
+        action->input.nodetype = LYS_INPUT;
+        COMPILE_ARRAY_GOTO(ctx, inout_p->musts, action->input.musts, u, lys_compile_must, ret, cleanup);
+        COMPILE_EXTS_GOTO(ctx, inout_p->exts, action->input_exts, &action->input, LYEXT_PAR_INPUT, ret, cleanup);
+        ctx->options |= LYS_COMPILE_RPC_INPUT;
+
+        /* connect any input augments */
+        LY_CHECK_RET(lys_compile_node_augments(ctx, (struct lysc_node *)&action->input));
+
+        LY_LIST_FOR(inout_p->data, child_p) {
+            LY_CHECK_RET(lys_compile_node(ctx, child_p, (struct lysc_node *)action, uses_status, NULL));
+        }
+        ctx->options = opt_prev;
+    }
+
+    lysc_update_path(ctx, NULL, NULL);
+
+    /* output */
+    lysc_update_path(ctx, (struct lysc_node *)action, "output");
+
+    /* apply deviations on output */
+    LY_CHECK_RET(lys_compile_node_deviations_refines(ctx, (struct lysp_node *)&action_p->output, (struct lysc_node *)action,
+            &dev_output_p, &not_supported));
+    if (not_supported) {
+        inout_p = NULL;
+    } else if (dev_output_p) {
+        inout_p = (struct lysp_action_inout *)dev_output_p;
+    } else {
+        inout_p = &action_p->output;
+    }
+
+    if (inout_p) {
+        action->output.nodetype = LYS_OUTPUT;
+        COMPILE_ARRAY_GOTO(ctx, inout_p->musts, action->output.musts, u, lys_compile_must, ret, cleanup);
+        COMPILE_EXTS_GOTO(ctx, inout_p->exts, action->output_exts, &action->output, LYEXT_PAR_OUTPUT, ret, cleanup);
+        ctx->options |= LYS_COMPILE_RPC_OUTPUT;
+
+        /* connect any output augments */
+        LY_CHECK_RET(lys_compile_node_augments(ctx, (struct lysc_node *)&action->output));
+
+        LY_LIST_FOR(inout_p->data, child_p) {
+            LY_CHECK_RET(lys_compile_node(ctx, child_p, (struct lysc_node *)action, uses_status, NULL));
+        }
+        ctx->options = opt_prev;
+    }
+
+    lysc_update_path(ctx, NULL, NULL);
+
+    if ((action->input.musts || action->output.musts) && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        ret = ly_set_add(&ctx->xpath, action, 0, NULL);
+        LY_CHECK_GOTO(ret, cleanup);
+    }
+
+    lysc_update_path(ctx, NULL, NULL);
+
+cleanup:
+    lysp_dev_node_free(ctx->ctx, dev_pnode);
+    lysp_dev_node_free(ctx->ctx, dev_input_p);
+    lysp_dev_node_free(ctx->ctx, dev_output_p);
+    ctx->options = opt_prev;
+    return ret;
+}
+
+LY_ERR
+lys_compile_notif(struct lysc_ctx *ctx, struct lysp_notif *notif_p, struct lysc_node *parent, struct lysc_notif *notif,
+        uint16_t uses_status)
+{
+    LY_ERR ret = LY_SUCCESS;
+    struct lysp_node *child_p, *dev_pnode = NULL;
+    struct lysp_notif *orig_notif_p = notif_p;
+    LY_ARRAY_COUNT_TYPE u;
+    ly_bool not_supported;
+    uint32_t opt_prev = ctx->options;
+
+    lysc_update_path(ctx, parent, notif_p->name);
+
+    LY_CHECK_RET(lys_compile_node_deviations_refines(ctx, (struct lysp_node *)notif_p, parent, &dev_pnode, &not_supported));
+    if (not_supported) {
+        lysc_update_path(ctx, NULL, NULL);
+        return LY_EDENIED;
+    } else if (dev_pnode) {
+        notif_p = (struct lysp_notif *)dev_pnode;
+    }
+
+    /* member needed for uniqueness check lys_getnext() */
+    notif->nodetype = LYS_NOTIF;
+    notif->module = ctx->cur_mod;
+    notif->parent = parent;
+
+    LY_CHECK_RET(lys_compile_node_uniqness(ctx, parent, notif_p->name, (struct lysc_node *)notif));
+
+    if (ctx->options & (LYS_COMPILE_RPC_MASK | LYS_COMPILE_NOTIFICATION)) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Notification \"%s\" is placed inside %s.", notif_p->name,
+                ctx->options & LYS_COMPILE_RPC_MASK ? "RPC/action" : "another notification");
+        return LY_EVALID;
+    }
+
+    notif->sp = orig_notif_p;
+    notif->flags = notif_p->flags & LYS_FLAGS_COMPILED_MASK;
+
+    /* status - it is not inherited by specification, but it does not make sense to have
+     * current in deprecated or deprecated in obsolete, so we do print warning and inherit status */
+    ret = lys_compile_status(ctx, &notif->flags, uses_status ? uses_status : (parent ? parent->flags : 0));
+    LY_CHECK_GOTO(ret, cleanup);
+
+    DUP_STRING_GOTO(ctx->ctx, notif_p->name, notif->name, ret, cleanup);
+    DUP_STRING_GOTO(ctx->ctx, notif_p->dsc, notif->dsc, ret, cleanup);
+    DUP_STRING_GOTO(ctx->ctx, notif_p->ref, notif->ref, ret, cleanup);
+    COMPILE_ARRAY_GOTO(ctx, notif_p->iffeatures, notif->iffeatures, u, lys_compile_iffeature, ret, cleanup);
+    COMPILE_ARRAY_GOTO(ctx, notif_p->musts, notif->musts, u, lys_compile_must, ret, cleanup);
+    if (notif_p->musts && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        ret = ly_set_add(&ctx->xpath, notif, 0, NULL);
+        LY_CHECK_GOTO(ret, cleanup);
+    }
+    COMPILE_EXTS_GOTO(ctx, notif_p->exts, notif->exts, notif, LYEXT_PAR_NODE, ret, cleanup);
+
+    ctx->options |= LYS_COMPILE_NOTIFICATION;
+
+    /* connect any notification augments */
+    LY_CHECK_RET(lys_compile_node_augments(ctx, (struct lysc_node *)notif));
+
+    LY_LIST_FOR(notif_p->data, child_p) {
+        ret = lys_compile_node(ctx, child_p, (struct lysc_node *)notif, uses_status, NULL);
+        LY_CHECK_GOTO(ret, cleanup);
+    }
+
+    lysc_update_path(ctx, NULL, NULL);
+
+cleanup:
+    lysp_dev_node_free(ctx->ctx, dev_pnode);
+    ctx->options = opt_prev;
+    return ret;
+}
+
+/**
+ * @brief Compile parsed container node information.
+ * @param[in] ctx Compile context
+ * @param[in] pnode Parsed container node.
+ * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
+ * is enriched with the container-specific information.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_node_container(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node_container *cont_p = (struct lysp_node_container *)pnode;
+    struct lysc_node_container *cont = (struct lysc_node_container *)node;
+    struct lysp_node *child_p;
+    LY_ARRAY_COUNT_TYPE u;
+    LY_ERR ret = LY_SUCCESS;
+
+    if (cont_p->presence) {
+        /* explicit presence */
+        cont->flags |= LYS_PRESENCE;
+    } else if (cont_p->musts) {
+        /* container with a must condition */
+        LOGWRN(ctx->ctx, "Container \"%s\" changed to presence because it has a meaning from its \"must\" condition.", cont_p->name);
+        cont->flags |= LYS_PRESENCE;
+    } else if (cont_p->when) {
+        /* container with a when condition */
+        LOGWRN(ctx->ctx, "Container \"%s\" changed to presence because it has a meaning from its \"when\" condition.", cont_p->name);
+        cont->flags |= LYS_PRESENCE;
+    } else if (cont_p->parent) {
+        if (cont_p->parent->nodetype == LYS_CHOICE) {
+            /* container is an implicit case, so its existence decides the existence of the whole case */
+            LOGWRN(ctx->ctx, "Container \"%s\" changed to presence because it has a meaning as a case of choice \"%s\".",
+                    cont_p->name, cont_p->parent->name);
+            cont->flags |= LYS_PRESENCE;
+        } else if ((cont_p->parent->nodetype == LYS_CASE) &&
+                (((struct lysp_node_case *)cont_p->parent)->child == pnode) && !cont_p->next) {
+            /* container is the only node in a case, so its existence decides the existence of the whole case */
+            LOGWRN(ctx->ctx, "Container \"%s\" changed to presence because it has a meaning as a case of choice \"%s\".",
+                    cont_p->name, cont_p->parent->name);
+            cont->flags |= LYS_PRESENCE;
+        }
+    }
+
+    /* more cases when the container has meaning but is kept NP for convenience:
+     *   - when condition
+     *   - direct child action/notification
+     */
+
+    LY_LIST_FOR(cont_p->child, child_p) {
+        ret = lys_compile_node(ctx, child_p, node, 0, NULL);
+        LY_CHECK_GOTO(ret, done);
+    }
+
+    COMPILE_ARRAY_GOTO(ctx, cont_p->musts, cont->musts, u, lys_compile_must, ret, done);
+    if (cont_p->musts && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        ret = ly_set_add(&ctx->xpath, cont, 0, NULL);
+        LY_CHECK_GOTO(ret, done);
+    }
+    COMPILE_OP_ARRAY_GOTO(ctx, cont_p->actions, cont->actions, node, u, lys_compile_action, 0, ret, done);
+    COMPILE_OP_ARRAY_GOTO(ctx, cont_p->notifs, cont->notifs, node, u, lys_compile_notif, 0, ret, done);
+
+done:
+    return ret;
+}
+
+/*
+ * @brief Compile type in leaf/leaf-list node and do all the necessary checks.
+ * @param[in] ctx Compile context.
+ * @param[in] context_node Schema node where the type/typedef is placed to correctly find the base types.
+ * @param[in] type_p Parsed type to compile.
+ * @param[in,out] leaf Compiled leaf structure (possibly cast leaf-list) to provide node information and to store the compiled type information.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_node_type(struct lysc_ctx *ctx, struct lysp_node *context_node, struct lysp_type *type_p,
+        struct lysc_node_leaf *leaf)
+{
+    struct lysp_qname *dflt;
+
+    LY_CHECK_RET(lys_compile_type(ctx, context_node, leaf->flags, ctx->pmod, leaf->name, type_p, &leaf->type,
+            leaf->units ? NULL : &leaf->units, &dflt));
+
+    /* store default value, if any */
+    if (dflt && !(leaf->flags & LYS_SET_DFLT)) {
+        LY_CHECK_RET(lysc_unres_leaf_dflt_add(ctx, leaf, dflt));
+    }
+
+    if (leaf->type->basetype == LY_TYPE_LEAFREF) {
+        /* store to validate the path in the current context at the end of schema compiling when all the nodes are present */
+        LY_CHECK_RET(ly_set_add(&ctx->leafrefs, leaf, 0, NULL));
+    } else if (leaf->type->basetype == LY_TYPE_UNION) {
+        LY_ARRAY_COUNT_TYPE u;
+        LY_ARRAY_FOR(((struct lysc_type_union *)leaf->type)->types, u) {
+            if (((struct lysc_type_union *)leaf->type)->types[u]->basetype == LY_TYPE_LEAFREF) {
+                /* store to validate the path in the current context at the end of schema compiling when all the nodes are present */
+                LY_CHECK_RET(ly_set_add(&ctx->leafrefs, leaf, 0, NULL));
+            }
+        }
+    } else if (leaf->type->basetype == LY_TYPE_EMPTY) {
+        if ((leaf->nodetype == LYS_LEAFLIST) && (ctx->pmod->version < LYS_VERSION_1_1)) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                    "Leaf-list of type \"empty\" is allowed only in YANG 1.1 modules.");
+            return LY_EVALID;
+        }
+    }
+
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Compile parsed leaf node information.
+ * @param[in] ctx Compile context
+ * @param[in] pnode Parsed leaf node.
+ * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
+ * is enriched with the leaf-specific information.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_node_leaf(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node_leaf *leaf_p = (struct lysp_node_leaf *)pnode;
+    struct lysc_node_leaf *leaf = (struct lysc_node_leaf *)node;
+    LY_ARRAY_COUNT_TYPE u;
+    LY_ERR ret = LY_SUCCESS;
+
+    COMPILE_ARRAY_GOTO(ctx, leaf_p->musts, leaf->musts, u, lys_compile_must, ret, done);
+    if (leaf_p->musts && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        ret = ly_set_add(&ctx->xpath, leaf, 0, NULL);
+        LY_CHECK_GOTO(ret, done);
+    }
+    if (leaf_p->units) {
+        LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, leaf_p->units, 0, &leaf->units), done);
+        leaf->flags |= LYS_SET_UNITS;
+    }
+
+    /* compile type */
+    ret = lys_compile_node_type(ctx, pnode, &leaf_p->type, leaf);
+    LY_CHECK_GOTO(ret, done);
+
+    /* store/update default value */
+    if (leaf_p->dflt.str) {
+        LY_CHECK_RET(lysc_unres_leaf_dflt_add(ctx, leaf, &leaf_p->dflt));
+        leaf->flags |= LYS_SET_DFLT;
+    }
+
+    /* checks */
+    if ((leaf->flags & LYS_SET_DFLT) && (leaf->flags & LYS_MAND_TRUE)) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Invalid mandatory leaf with a default value.");
+        return LY_EVALID;
+    }
+
+done:
+    return ret;
+}
+
+/**
+ * @brief Compile parsed leaf-list node information.
+ * @param[in] ctx Compile context
+ * @param[in] pnode Parsed leaf-list node.
+ * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
+ * is enriched with the leaf-list-specific information.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_node_leaflist(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node_leaflist *llist_p = (struct lysp_node_leaflist *)pnode;
+    struct lysc_node_leaflist *llist = (struct lysc_node_leaflist *)node;
+    LY_ARRAY_COUNT_TYPE u;
+    LY_ERR ret = LY_SUCCESS;
+
+    COMPILE_ARRAY_GOTO(ctx, llist_p->musts, llist->musts, u, lys_compile_must, ret, done);
+    if (llist_p->musts && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        ret = ly_set_add(&ctx->xpath, llist, 0, NULL);
+        LY_CHECK_GOTO(ret, done);
+    }
+    if (llist_p->units) {
+        LY_CHECK_GOTO(ret = lydict_insert(ctx->ctx, llist_p->units, 0, &llist->units), done);
+        llist->flags |= LYS_SET_UNITS;
+    }
+
+    /* compile type */
+    ret = lys_compile_node_type(ctx, pnode, &llist_p->type, (struct lysc_node_leaf *)llist);
+    LY_CHECK_GOTO(ret, done);
+
+    /* store/update default values */
+    if (llist_p->dflts) {
+        if (ctx->pmod->version < LYS_VERSION_1_1) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                    "Leaf-list default values are allowed only in YANG 1.1 modules.");
+            return LY_EVALID;
+        }
+
+        LY_CHECK_GOTO(lysc_unres_llist_dflts_add(ctx, llist, llist_p->dflts), done);
+        llist->flags |= LYS_SET_DFLT;
+    }
+
+    llist->min = llist_p->min;
+    if (llist->min) {
+        llist->flags |= LYS_MAND_TRUE;
+    }
+    llist->max = llist_p->max ? llist_p->max : (uint32_t)-1;
+
+    /* checks */
+    if ((llist->flags & LYS_SET_DFLT) && (llist->flags & LYS_MAND_TRUE)) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Invalid mandatory leaf-list with default value(s).");
+        return LY_EVALID;
+    }
+
+    if (llist->min > llist->max) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS, "Leaf-list min-elements %u is bigger than max-elements %u.",
+                llist->min, llist->max);
+        return LY_EVALID;
+    }
+
+done:
+    return ret;
+}
+
+LY_ERR
+lysc_resolve_schema_nodeid(struct lysc_ctx *ctx, const char *nodeid, size_t nodeid_len, const struct lysc_node *ctx_node,
+        const struct lys_module *cur_mod, LY_PREFIX_FORMAT format, void *prefix_data, uint16_t nodetype,
+        const struct lysc_node **target, uint16_t *result_flag)
+{
+    LY_ERR ret = LY_EVALID;
+    const char *name, *prefix, *id;
+    size_t name_len, prefix_len;
+    const struct lys_module *mod;
+    const char *nodeid_type;
+    uint32_t getnext_extra_flag = 0;
+    uint16_t current_nodetype = 0;
+
+    assert(nodeid);
+    assert(target);
+    assert(result_flag);
+    *target = NULL;
+    *result_flag = 0;
+
+    id = nodeid;
+
+    if (ctx_node) {
+        /* descendant-schema-nodeid */
+        nodeid_type = "descendant";
+
+        if (*id == '/') {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                    "Invalid descendant-schema-nodeid value \"%.*s\" - absolute-schema-nodeid used.",
+                    nodeid_len ? nodeid_len : strlen(nodeid), nodeid);
+            return LY_EVALID;
+        }
+    } else {
+        /* absolute-schema-nodeid */
+        nodeid_type = "absolute";
+
+        if (*id != '/') {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                    "Invalid absolute-schema-nodeid value \"%.*s\" - missing starting \"/\".",
+                    nodeid_len ? nodeid_len : strlen(nodeid), nodeid);
+            return LY_EVALID;
+        }
+        ++id;
+    }
+
+    while (*id && (ret = ly_parse_nodeid(&id, &prefix, &prefix_len, &name, &name_len)) == LY_SUCCESS) {
+        if (prefix) {
+            mod = ly_resolve_prefix(ctx->ctx, prefix, prefix_len, format, prefix_data);
+            if (!mod) {
+                /* module must always be found */
+                assert(prefix);
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                        "Invalid %s-schema-nodeid value \"%.*s\" - prefix \"%.*s\" not defined in module \"%s\".",
+                        nodeid_type, id - nodeid, nodeid, prefix_len, prefix, LYSP_MODULE_NAME(ctx->pmod));
+                return LY_ENOTFOUND;
+            }
+        } else {
+            switch (format) {
+            case LY_PREF_SCHEMA:
+            case LY_PREF_SCHEMA_RESOLVED:
+                /* use the current module */
+                mod = cur_mod;
+                break;
+            case LY_PREF_JSON:
+                if (!ctx_node) {
+                    LOGINT_RET(ctx->ctx);
+                }
+                /* inherit the module of the previous context node */
+                mod = ctx_node->module;
+                break;
+            case LY_PREF_XML:
+                /* not really defined */
+                LOGINT_RET(ctx->ctx);
+            }
+        }
+
+        if (ctx_node && (ctx_node->nodetype & (LYS_RPC | LYS_ACTION))) {
+            /* move through input/output manually */
+            if (mod != ctx_node->module) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                        "Invalid %s-schema-nodeid value \"%.*s\" - target node not found.", nodeid_type, id - nodeid, nodeid);
+                return LY_ENOTFOUND;
+            }
+            if (!ly_strncmp("input", name, name_len)) {
+                ctx_node = (struct lysc_node *)&((struct lysc_action *)ctx_node)->input;
+            } else if (!ly_strncmp("output", name, name_len)) {
+                ctx_node = (struct lysc_node *)&((struct lysc_action *)ctx_node)->output;
+                getnext_extra_flag = LYS_GETNEXT_OUTPUT;
+            } else {
+                /* only input or output is valid */
+                ctx_node = NULL;
+            }
+        } else {
+            ctx_node = lys_find_child(ctx_node, mod, name, name_len, 0,
+                    getnext_extra_flag | LYS_GETNEXT_NOSTATECHECK | LYS_GETNEXT_WITHCHOICE | LYS_GETNEXT_WITHCASE);
+            getnext_extra_flag = 0;
+        }
+        if (!ctx_node) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                    "Invalid %s-schema-nodeid value \"%.*s\" - target node not found.", nodeid_type, id - nodeid, nodeid);
+            return LY_ENOTFOUND;
+        }
+        current_nodetype = ctx_node->nodetype;
+
+        if (current_nodetype == LYS_NOTIF) {
+            (*result_flag) |= LYS_COMPILE_NOTIFICATION;
+        } else if (current_nodetype == LYS_INPUT) {
+            (*result_flag) |= LYS_COMPILE_RPC_INPUT;
+        } else if (current_nodetype == LYS_OUTPUT) {
+            (*result_flag) |= LYS_COMPILE_RPC_OUTPUT;
+        }
+
+        if (!*id || (nodeid_len && ((size_t)(id - nodeid) >= nodeid_len))) {
+            break;
+        }
+        if (*id != '/') {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                    "Invalid %s-schema-nodeid value \"%.*s\" - missing \"/\" as node-identifier separator.",
+                    nodeid_type, id - nodeid + 1, nodeid);
+            return LY_EVALID;
+        }
+        ++id;
+    }
+
+    if (ret == LY_SUCCESS) {
+        *target = ctx_node;
+        if (nodetype && !(current_nodetype & nodetype)) {
+            return LY_EDENIED;
+        }
+    } else {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                "Invalid %s-schema-nodeid value \"%.*s\" - unexpected end of expression.",
+                nodeid_type, nodeid_len ? nodeid_len : strlen(nodeid), nodeid);
+    }
+
+    return ret;
+}
+
+/**
+ * @brief Compile information about list's uniques.
+ * @param[in] ctx Compile context.
+ * @param[in] uniques Sized array list of unique statements.
+ * @param[in] list Compiled list where the uniques are supposed to be resolved and stored.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_node_list_unique(struct lysc_ctx *ctx, struct lysp_qname *uniques, struct lysc_node_list *list)
+{
+    LY_ERR ret = LY_SUCCESS;
+    struct lysc_node_leaf **key, ***unique;
+    struct lysc_node *parent;
+    const char *keystr, *delim;
+    size_t len;
+    LY_ARRAY_COUNT_TYPE v;
+    int8_t config; /* -1 - not yet seen; 0 - LYS_CONFIG_R; 1 - LYS_CONFIG_W */
+    uint16_t flags;
+
+    LY_ARRAY_FOR(uniques, v) {
+        config = -1;
+        LY_ARRAY_NEW_RET(ctx->ctx, list->uniques, unique, LY_EMEM);
+        keystr = uniques[v].str;
+        while (keystr) {
+            delim = strpbrk(keystr, " \t\n");
+            if (delim) {
+                len = delim - keystr;
+                while (isspace(*delim)) {
+                    ++delim;
+                }
+            } else {
+                len = strlen(keystr);
+            }
+
+            /* unique node must be present */
+            LY_ARRAY_NEW_RET(ctx->ctx, *unique, key, LY_EMEM);
+            ret = lysc_resolve_schema_nodeid(ctx, keystr, len, (struct lysc_node *)list, uniques[v].mod->mod,
+                    LY_PREF_SCHEMA, (void *)uniques[v].mod, LYS_LEAF, (const struct lysc_node **)key, &flags);
+            if (ret != LY_SUCCESS) {
+                if (ret == LY_EDENIED) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                            "Unique's descendant-schema-nodeid \"%.*s\" refers to %s node instead of a leaf.",
+                            len, keystr, lys_nodetype2str((*key)->nodetype));
+                }
+                return LY_EVALID;
+            } else if (flags) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                        "Unique's descendant-schema-nodeid \"%.*s\" refers into %s node.",
+                        len, keystr, flags & LYS_COMPILE_NOTIFICATION ? "notification" : "RPC/action");
+                return LY_EVALID;
+            }
+
+            /* all referenced leafs must be of the same config type */
+            if ((config != -1) && ((((*key)->flags & LYS_CONFIG_W) && (config == 0)) ||
+                    (((*key)->flags & LYS_CONFIG_R) && (config == 1)))) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                        "Unique statement \"%s\" refers to leaves with different config type.", uniques[v].str);
+                return LY_EVALID;
+            } else if ((*key)->flags & LYS_CONFIG_W) {
+                config = 1;
+            } else { /* LYS_CONFIG_R */
+                config = 0;
+            }
+
+            /* we forbid referencing nested lists because it is unspecified what instance of such a list to use */
+            for (parent = (*key)->parent; parent != (struct lysc_node *)list; parent = parent->parent) {
+                if (parent->nodetype == LYS_LIST) {
+                    LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                            "Unique statement \"%s\" refers to a leaf in nested list \"%s\".", uniques[v].str, parent->name);
+                    return LY_EVALID;
+                }
+            }
+
+            /* check status */
+            LY_CHECK_RET(lysc_check_status(ctx, list->flags, list->module, list->name,
+                    (*key)->flags, (*key)->module, (*key)->name));
+
+            /* mark leaf as unique */
+            (*key)->flags |= LYS_UNIQUE;
+
+            /* next unique value in line */
+            keystr = delim;
+        }
+        /* next unique definition */
+    }
+
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Compile parsed list node information.
+ * @param[in] ctx Compile context
+ * @param[in] pnode Parsed list node.
+ * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
+ * is enriched with the list-specific information.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_node_list(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node_list *list_p = (struct lysp_node_list *)pnode;
+    struct lysc_node_list *list = (struct lysc_node_list *)node;
+    struct lysp_node *child_p;
+    struct lysc_node_leaf *key, *prev_key = NULL;
+    size_t len;
+    LY_ARRAY_COUNT_TYPE u;
+    const char *keystr, *delim;
+    LY_ERR ret = LY_SUCCESS;
+
+    list->min = list_p->min;
+    if (list->min) {
+        list->flags |= LYS_MAND_TRUE;
+    }
+    list->max = list_p->max ? list_p->max : (uint32_t)-1;
+
+    LY_LIST_FOR(list_p->child, child_p) {
+        LY_CHECK_RET(lys_compile_node(ctx, child_p, node, 0, NULL));
+    }
+
+    COMPILE_ARRAY_GOTO(ctx, list_p->musts, list->musts, u, lys_compile_must, ret, done);
+    if (list_p->musts && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        LY_CHECK_RET(ly_set_add(&ctx->xpath, list, 0, NULL));
+    }
+
+    /* keys */
+    if ((list->flags & LYS_CONFIG_W) && (!list_p->key || !list_p->key[0])) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS, "Missing key in list representing configuration data.");
+        return LY_EVALID;
+    }
+
+    /* find all the keys (must be direct children) */
+    keystr = list_p->key;
+    if (!keystr) {
+        /* keyless list */
+        list->flags |= LYS_KEYLESS;
+    }
+    while (keystr) {
+        delim = strpbrk(keystr, " \t\n");
+        if (delim) {
+            len = delim - keystr;
+            while (isspace(*delim)) {
+                ++delim;
+            }
+        } else {
+            len = strlen(keystr);
+        }
+
+        /* key node must be present */
+        key = (struct lysc_node_leaf *)lys_find_child(node, node->module, keystr, len, LYS_LEAF, LYS_GETNEXT_NOCHOICE | LYS_GETNEXT_NOSTATECHECK);
+        if (!(key)) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                    "The list's key \"%.*s\" not found.", len, keystr);
+            return LY_EVALID;
+        }
+        /* keys must be unique */
+        if (key->flags & LYS_KEY) {
+            /* the node was already marked as a key */
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                    "Duplicated key identifier \"%.*s\".", len, keystr);
+            return LY_EVALID;
+        }
+
+        lysc_update_path(ctx, (struct lysc_node *)list, key->name);
+        /* key must have the same config flag as the list itself */
+        if ((list->flags & LYS_CONFIG_MASK) != (key->flags & LYS_CONFIG_MASK)) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS, "Key of the configuration list must not be status leaf.");
+            return LY_EVALID;
+        }
+        if (ctx->pmod->version < LYS_VERSION_1_1) {
+            /* YANG 1.0 denies key to be of empty type */
+            if (key->type->basetype == LY_TYPE_EMPTY) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                        "List's key cannot be of \"empty\" type until it is in YANG 1.1 module.");
+                return LY_EVALID;
+            }
+        } else {
+            /* when and if-feature are illegal on list keys */
+            if (key->when) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                        "List's key must not have any \"when\" statement.");
+                return LY_EVALID;
+            }
+            if (key->iffeatures) {
+                LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                        "List's key must not have any \"if-feature\" statement.");
+                return LY_EVALID;
+            }
+        }
+
+        /* check status */
+        LY_CHECK_RET(lysc_check_status(ctx, list->flags, list->module, list->name,
+                key->flags, key->module, key->name));
+
+        /* ignore default values of the key */
+        if (key->dflt) {
+            key->dflt->realtype->plugin->free(ctx->ctx, key->dflt);
+            lysc_type_free(ctx->ctx, (struct lysc_type *)key->dflt->realtype);
+            free(key->dflt);
+            key->dflt = NULL;
+        }
+        /* mark leaf as key */
+        key->flags |= LYS_KEY;
+
+        /* move it to the correct position */
+        if ((prev_key && ((struct lysc_node *)prev_key != key->prev)) || (!prev_key && key->prev->next)) {
+            /* fix links in closest previous siblings of the key */
+            if (key->next) {
+                key->next->prev = key->prev;
+            } else {
+                /* last child */
+                list->child->prev = key->prev;
+            }
+            if (key->prev->next) {
+                key->prev->next = key->next;
+            }
+            /* fix links in the key */
+            if (prev_key) {
+                key->prev = (struct lysc_node *)prev_key;
+                key->next = prev_key->next;
+            } else {
+                key->prev = list->child->prev;
+                key->next = list->child;
+            }
+            /* fix links in closes future siblings of the key */
+            if (prev_key) {
+                if (prev_key->next) {
+                    prev_key->next->prev = (struct lysc_node *)key;
+                } else {
+                    list->child->prev = (struct lysc_node *)key;
+                }
+                prev_key->next = (struct lysc_node *)key;
+            } else {
+                list->child->prev = (struct lysc_node *)key;
+            }
+            /* fix links in parent */
+            if (!key->prev->next) {
+                list->child = (struct lysc_node *)key;
+            }
+        }
+
+        /* next key value */
+        prev_key = key;
+        keystr = delim;
+        lysc_update_path(ctx, NULL, NULL);
+    }
+
+    /* uniques */
+    if (list_p->uniques) {
+        LY_CHECK_RET(lys_compile_node_list_unique(ctx, list_p->uniques, list));
+    }
+
+    COMPILE_OP_ARRAY_GOTO(ctx, list_p->actions, list->actions, node, u, lys_compile_action, 0, ret, done);
+    COMPILE_OP_ARRAY_GOTO(ctx, list_p->notifs, list->notifs, node, u, lys_compile_notif, 0, ret, done);
+
+    /* checks */
+    if (list->min > list->max) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS, "List min-elements %u is bigger than max-elements %u.",
+                list->min, list->max);
+        return LY_EVALID;
+    }
+
+done:
+    return ret;
+}
+
+/**
+ * @brief Do some checks and set the default choice's case.
+ *
+ * Selects (and stores into ::lysc_node_choice#dflt) the default case and set LYS_SET_DFLT flag on it.
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] dflt Name of the default branch. Can even contain a prefix.
+ * @param[in,out] ch The compiled choice node, its dflt member is filled to point to the default case node of the choice.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_node_choice_dflt(struct lysc_ctx *ctx, struct lysp_qname *dflt, struct lysc_node_choice *ch)
+{
+    struct lysc_node *iter, *node = (struct lysc_node *)ch;
+    const struct lys_module *mod;
+    const char *prefix = NULL, *name;
+    size_t prefix_len = 0;
+
+    /* could use lys_parse_nodeid(), but it checks syntax which is already done in this case by the parsers */
+    name = strchr(dflt->str, ':');
+    if (name) {
+        prefix = dflt->str;
+        prefix_len = name - prefix;
+        ++name;
+    } else {
+        name = dflt->str;
+    }
+    if (prefix) {
+        mod = ly_resolve_prefix(ctx->ctx, prefix, prefix_len, LY_PREF_SCHEMA, (void *)dflt->mod);
+        if (!mod) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE, "Default case prefix \"%.*s\" not found "
+                    "in imports of \"%s\".", prefix_len, prefix, LYSP_MODULE_NAME(dflt->mod));
+            return LY_EVALID;
+        }
+    } else {
+        mod = node->module;
+    }
+
+    ch->dflt = (struct lysc_node_case *)lys_find_child(node, mod, name, 0, LYS_CASE, LYS_GETNEXT_NOSTATECHECK | LYS_GETNEXT_WITHCASE);
+    if (!ch->dflt) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Default case \"%s\" not found.", dflt->str);
+        return LY_EVALID;
+    }
+
+    /* no mandatory nodes directly under the default case */
+    LY_LIST_FOR(ch->dflt->child, iter) {
+        if (iter->parent != (struct lysc_node *)ch->dflt) {
+            break;
+        }
+        if (iter->flags & LYS_MAND_TRUE) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                    "Mandatory node \"%s\" under the default case \"%s\".", iter->name, dflt->str);
+            return LY_EVALID;
+        }
+    }
+
+    if (ch->flags & LYS_MAND_TRUE) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS, "Invalid mandatory choice with a default case.");
+        return LY_EVALID;
+    }
+
+    ch->dflt->flags |= LYS_SET_DFLT;
+    return LY_SUCCESS;
+}
+
+LY_ERR
+lys_compile_node_choice_child(struct lysc_ctx *ctx, struct lysp_node *child_p, struct lysc_node *node,
+        struct ly_set *child_set)
+{
+    LY_ERR ret = LY_SUCCESS;
+    struct lysp_node *child_p_next = child_p->next;
+    struct lysp_node_case *cs_p;
+
+    if (child_p->nodetype == LYS_CASE) {
+        /* standard case under choice */
+        ret = lys_compile_node(ctx, child_p, node, 0, child_set);
+    } else {
+        /* we need the implicit case first, so create a fake parsed case */
+        cs_p = calloc(1, sizeof *cs_p);
+        cs_p->nodetype = LYS_CASE;
+        DUP_STRING_GOTO(ctx->ctx, child_p->name, cs_p->name, ret, free_fake_node);
+        cs_p->child = child_p;
+
+        /* make the child the only case child */
+        child_p->next = NULL;
+
+        /* compile it normally */
+        ret = lys_compile_node(ctx, (struct lysp_node *)cs_p, node, 0, child_set);
+
+free_fake_node:
+        /* free the fake parsed node and correct pointers back */
+        cs_p->child = NULL;
+        lysp_node_free(ctx->ctx, (struct lysp_node *)cs_p);
+        child_p->next = child_p_next;
+    }
+
+    return ret;
+}
+
+/**
+ * @brief Compile parsed choice node information.
+ *
+ * @param[in] ctx Compile context
+ * @param[in] pnode Parsed choice node.
+ * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
+ * is enriched with the choice-specific information.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_node_choice(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node_choice *ch_p = (struct lysp_node_choice *)pnode;
+    struct lysc_node_choice *ch = (struct lysc_node_choice *)node;
+    struct lysp_node *child_p;
+    LY_ERR ret = LY_SUCCESS;
+
+    assert(node->nodetype == LYS_CHOICE);
+
+    LY_LIST_FOR(ch_p->child, child_p) {
+        LY_CHECK_RET(lys_compile_node_choice_child(ctx, child_p, node, NULL));
+    }
+
+    /* default branch */
+    if (ch_p->dflt.str) {
+        LY_CHECK_RET(lys_compile_node_choice_dflt(ctx, &ch_p->dflt, ch));
+    }
+
+    return ret;
+}
+
+/**
+ * @brief Compile parsed anydata or anyxml node information.
+ * @param[in] ctx Compile context
+ * @param[in] pnode Parsed anydata or anyxml node.
+ * @param[in,out] node Pre-prepared structure from lys_compile_node() with filled generic node information
+ * is enriched with the any-specific information.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_node_any(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node_anydata *any_p = (struct lysp_node_anydata *)pnode;
+    struct lysc_node_anydata *any = (struct lysc_node_anydata *)node;
+    LY_ARRAY_COUNT_TYPE u;
+    LY_ERR ret = LY_SUCCESS;
+
+    COMPILE_ARRAY_GOTO(ctx, any_p->musts, any->musts, u, lys_compile_must, ret, done);
+    if (any_p->musts && !(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* do not check "must" semantics in a grouping */
+        ret = ly_set_add(&ctx->xpath, any, 0, NULL);
+        LY_CHECK_GOTO(ret, done);
+    }
+
+    if (any->flags & LYS_CONFIG_W) {
+        LOGWRN(ctx->ctx, "Use of %s to define configuration data is not recommended. %s",
+                ly_stmt2str(any->nodetype == LYS_ANYDATA ? LY_STMT_ANYDATA : LY_STMT_ANYXML), ctx->path);
+    }
+done:
+    return ret;
+}
+
+/**
+ * @brief Connect the node into the siblings list and check its name uniqueness. Also,
+ * keep specific order of augments targetting the same node.
+ *
+ * @param[in] ctx Compile context
+ * @param[in] parent Parent node holding the children list, in case of node from a choice's case,
+ * the choice itself is expected instead of a specific case node.
+ * @param[in] node Schema node to connect into the list.
+ * @return LY_ERR value - LY_SUCCESS or LY_EEXIST.
+ * In case of LY_EEXIST, the node is actually kept in the tree, so do not free it directly.
+ */
+static LY_ERR
+lys_compile_node_connect(struct lysc_ctx *ctx, struct lysc_node *parent, struct lysc_node *node)
+{
+    struct lysc_node **children, *anchor = NULL;
+    int insert_after = 0;
+
+    node->parent = parent;
+
+    if (parent) {
+        if (parent->nodetype == LYS_CHOICE) {
+            assert(node->nodetype == LYS_CASE);
+            children = (struct lysc_node **)&((struct lysc_node_choice *)parent)->cases;
+        } else {
+            children = lysc_node_children_p(parent, ctx->options);
+        }
+        assert(children);
+
+        if (!(*children)) {
+            /* first child */
+            *children = node;
+        } else if (node->flags & LYS_KEY) {
+            /* special handling of adding keys */
+            assert(node->module == parent->module);
+            anchor = *children;
+            if (anchor->flags & LYS_KEY) {
+                while ((anchor->flags & LYS_KEY) && anchor->next) {
+                    anchor = anchor->next;
+                }
+                /* insert after the last key */
+                insert_after = 1;
+            } /* else insert before anchor (at the beginning) */
+        } else if ((*children)->prev->module == node->module) {
+            /* last child is from the same module, keep the order and insert at the end */
+            anchor = (*children)->prev;
+            insert_after = 1;
+        } else if (parent->module == node->module) {
+            /* adding module child after some augments were connected */
+            for (anchor = *children; anchor->module == node->module; anchor = anchor->next) {}
+        } else {
+            /* some augments are already connected and we are connecting new ones,
+             * keep module name order and insert the node into the children list */
+            anchor = *children;
+            do {
+                anchor = anchor->prev;
+
+                /* check that we have not found the last augment node from our module or
+                 * the first augment node from a "smaller" module or
+                 * the first node from a local module */
+                if ((anchor->module == node->module) || (strcmp(anchor->module->name, node->module->name) < 0) ||
+                        (anchor->module == parent->module)) {
+                    /* insert after */
+                    insert_after = 1;
+                    break;
+                }
+
+                /* we have traversed all the nodes, insert before anchor (as the first node) */
+            } while (anchor->prev->next);
+        }
+
+        /* insert */
+        if (anchor) {
+            if (insert_after) {
+                node->next = anchor->next;
+                node->prev = anchor;
+                anchor->next = node;
+                if (node->next) {
+                    /* middle node */
+                    node->next->prev = node;
+                } else {
+                    /* last node */
+                    (*children)->prev = node;
+                }
+            } else {
+                node->next = anchor;
+                node->prev = anchor->prev;
+                anchor->prev = node;
+                if (anchor == *children) {
+                    /* first node */
+                    *children = node;
+                } else {
+                    /* middle node */
+                    node->prev->next = node;
+                }
+            }
+        }
+
+        /* check the name uniqueness (even for an only child, it may be in case) */
+        if (lys_compile_node_uniqness(ctx, parent, node->name, node)) {
+            return LY_EEXIST;
+        }
+    } else {
+        /* top-level element */
+        if (!ctx->cur_mod->compiled->data) {
+            ctx->cur_mod->compiled->data = node;
+        } else {
+            /* insert at the end of the module's top-level nodes list */
+            ctx->cur_mod->compiled->data->prev->next = node;
+            node->prev = ctx->cur_mod->compiled->data->prev;
+            ctx->cur_mod->compiled->data->prev = node;
+        }
+
+        /* check the name uniqueness on top-level */
+        if (lys_compile_node_uniqness(ctx, NULL, node->name, node)) {
+            return LY_EEXIST;
+        }
+    }
+
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Prepare the case structure in choice node for the new data node.
+ *
+ * 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
+ * created in the choice when the first child was processed.
+ *
+ * @param[in] ctx Compile context.
+ * @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,
+ *                   it is the LYS_CHOICE, LYS_AUGMENT or LYS_GROUPING node.
+ * @param[in] ch The compiled choice structure where the new case structures are created (if needed).
+ * @param[in] child The new data node being part of a case (no matter if explicit or implicit).
+ * @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,
+ * it is linked from the case structure only in case it is its first child.
+ */
+static LY_ERR
+lys_compile_node_case(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *node)
+{
+    struct lysp_node *child_p;
+    struct lysp_node_case *cs_p = (struct lysp_node_case *)pnode;
+
+    if (pnode->nodetype & (LYS_CHOICE | LYS_AUGMENT | LYS_GROUPING)) {
+        /* we have to add an implicit case node into the parent choice */
+    } else if (pnode->nodetype == LYS_CASE) {
+        /* explicit parent case */
+        LY_LIST_FOR(cs_p->child, child_p) {
+            LY_CHECK_RET(lys_compile_node(ctx, child_p, node, 0, NULL));
+        }
+    } else {
+        LOGINT_RET(ctx->ctx);
+    }
+
+    return LY_SUCCESS;
+}
+
+void
+lys_compile_mandatory_parents(struct lysc_node *parent, ly_bool add)
+{
+    struct lysc_node *iter;
+
+    if (add) { /* set flag */
+        for ( ; parent && parent->nodetype == LYS_CONTAINER && !(parent->flags & LYS_MAND_TRUE) && !(parent->flags & LYS_PRESENCE);
+                parent = parent->parent) {
+            parent->flags |= LYS_MAND_TRUE;
+        }
+    } else { /* unset flag */
+        for ( ; parent && parent->nodetype == LYS_CONTAINER && (parent->flags & LYS_MAND_TRUE); parent = parent->parent) {
+            for (iter = (struct lysc_node *)lysc_node_children(parent, 0); iter; iter = iter->next) {
+                if (iter->flags & LYS_MAND_TRUE) {
+                    /* there is another mandatory node */
+                    return;
+                }
+            }
+            /* unset mandatory flag - there is no mandatory children in the non-presence container */
+            parent->flags &= ~LYS_MAND_TRUE;
+        }
+    }
+}
+
+/**
+ * @brief Find grouping for a uses.
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] uses_p Parsed uses node.
+ * @param[out] gpr_p Found grouping on success.
+ * @param[out] grp_pmod Module of @p grp_p on success.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_uses_find_grouping(struct lysc_ctx *ctx, struct lysp_node_uses *uses_p, struct lysp_grp **grp_p,
+        struct lysp_module **grp_pmod)
+{
+    struct lysp_node *pnode;
+    struct lysp_grp *grp;
+    LY_ARRAY_COUNT_TYPE u, v;
+    const char *id, *name, *prefix, *local_pref;
+    size_t prefix_len, name_len;
+    struct lysp_module *pmod, *found = NULL;
+    struct lys_module *mod;
+
+    *grp_p = NULL;
+    *grp_pmod = NULL;
+
+    /* search for the grouping definition */
+    id = uses_p->name;
+    LY_CHECK_RET(ly_parse_nodeid(&id, &prefix, &prefix_len, &name, &name_len), LY_EVALID);
+    local_pref = ctx->pmod->is_submod ? ((struct lysp_submodule *)ctx->pmod)->prefix : ctx->pmod->mod->prefix;
+    if (!prefix || !ly_strncmp(local_pref, prefix, prefix_len)) {
+        /* current module, search local groupings first */
+        pmod = ctx->pmod;
+        for (pnode = uses_p->parent; !found && pnode; pnode = pnode->parent) {
+            grp = (struct lysp_grp *)lysp_node_groupings(pnode);
+            LY_ARRAY_FOR(grp, u) {
+                if (!strcmp(grp[u].name, name)) {
+                    grp = &grp[u];
+                    found = ctx->pmod;
+                    break;
+                }
+            }
+        }
+    } else {
+        /* foreign module, find it first */
+        mod = lysp_module_find_prefix(ctx->pmod, prefix, prefix_len);
+        if (!mod) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                    "Invalid prefix used for grouping reference.", uses_p->name);
+            return LY_EVALID;
+        }
+        pmod = mod->parsed;
+    }
+
+    if (!found) {
+        /* search in top-level groupings of the main module ... */
+        grp = pmod->groupings;
+        LY_ARRAY_FOR(grp, u) {
+            if (!strcmp(grp[u].name, name)) {
+                grp = &grp[u];
+                found = pmod;
+                break;
+            }
+        }
+        if (!found) {
+            /* ... and all the submodules */
+            LY_ARRAY_FOR(pmod->includes, u) {
+                grp = pmod->includes[u].submodule->groupings;
+                LY_ARRAY_FOR(grp, v) {
+                    if (!strcmp(grp[v].name, name)) {
+                        grp = &grp[v];
+                        found = (struct lysp_module *)pmod->includes[u].submodule;
+                        break;
+                    }
+                }
+                if (found) {
+                    break;
+                }
+            }
+        }
+    }
+    if (!found) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Grouping \"%s\" referenced by a uses statement not found.", uses_p->name);
+        return LY_EVALID;
+    }
+
+    if (!(ctx->options & LYS_COMPILE_GROUPING)) {
+        /* remember that the grouping is instantiated to avoid its standalone validation */
+        grp->flags |= LYS_USED_GRP;
+    }
+
+    *grp_p = grp;
+    *grp_pmod = found;
+    return LY_SUCCESS;
+}
+
+/**
+ * @brief Compile parsed uses statement - resolve target grouping and connect its content into parent.
+ * If present, also apply uses's modificators.
+ *
+ * @param[in] ctx Compile context
+ * @param[in] uses_p Parsed uses schema node.
+ * @param[in] parent Compiled parent node where the content of the referenced grouping is supposed to be connected. It is
+ * NULL for top-level nodes, in such a case the module where the node will be connected is taken from
+ * the compile context.
+ * @return LY_ERR value - LY_SUCCESS or LY_EVALID.
+ */
+static LY_ERR
+lys_compile_uses(struct lysc_ctx *ctx, struct lysp_node_uses *uses_p, struct lysc_node *parent, struct ly_set *child_set)
+{
+    struct lysp_node *pnode;
+    struct lysc_node *child;
+    struct lysp_grp *grp = NULL;
+    uint32_t i, grp_stack_count;
+    struct lysp_module *grp_mod, *mod_old = ctx->pmod;
+    LY_ERR ret = LY_SUCCESS;
+    struct lysc_when *when_shared = NULL;
+    LY_ARRAY_COUNT_TYPE u;
+    struct lysc_notif **notifs = NULL;
+    struct lysc_action **actions = NULL;
+    struct ly_set uses_child_set = {0};
+
+    /* find the referenced grouping */
+    LY_CHECK_RET(lys_compile_uses_find_grouping(ctx, uses_p, &grp, &grp_mod));
+
+    /* grouping must not reference themselves - stack in ctx maintains list of groupings currently being applied */
+    grp_stack_count = ctx->groupings.count;
+    LY_CHECK_RET(ly_set_add(&ctx->groupings, (void *)grp, 0, NULL));
+    if (grp_stack_count == ctx->groupings.count) {
+        /* the target grouping is already in the stack, so we are already inside it -> circular dependency */
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                "Grouping \"%s\" references itself through a uses statement.", grp->name);
+        return LY_EVALID;
+    }
+
+    /* check status */
+    ret = lysc_check_status(ctx, uses_p->flags, ctx->pmod, uses_p->name, grp->flags, grp_mod, grp->name);
+    LY_CHECK_GOTO(ret, cleanup);
+
+    /* compile any augments and refines so they can be applied during the grouping nodes compilation */
+    ret = lys_precompile_uses_augments_refines(ctx, uses_p, parent);
+    LY_CHECK_GOTO(ret, cleanup);
+
+    /* switch context's parsed module being processed */
+    ctx->pmod = grp_mod;
+
+    /* compile data nodes */
+    LY_LIST_FOR(grp->data, pnode) {
+        /* 0x3 in uses_status is a special bits combination to be able to detect status flags from uses */
+        ret = lys_compile_node(ctx, pnode, parent, (uses_p->flags & LYS_STATUS_MASK) | 0x3, &uses_child_set);
+        LY_CHECK_GOTO(ret, cleanup);
+    }
+
+    if (child_set) {
+        /* add these children to our compiled child_set as well since uses is a schema-only node */
+        LY_CHECK_GOTO(ret = ly_set_merge(child_set, &uses_child_set, 1, NULL), cleanup);
+    }
+
+    if (uses_p->when) {
+        /* pass uses's when to all the data children */
+        for (i = 0; i < uses_child_set.count; ++i) {
+            child = uses_child_set.snodes[i];
+
+            ret = lys_compile_when(ctx, uses_p->when, uses_p->flags, lysc_xpath_context(parent), child, &when_shared);
+            LY_CHECK_GOTO(ret, cleanup);
+        }
+    }
+
+    /* compile actions */
+    if (grp->actions) {
+        actions = parent ? lysc_node_actions_p(parent) : &ctx->cur_mod->compiled->rpcs;
+        if (!actions) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE, "Invalid child %s \"%s\" of uses parent %s \"%s\" node.",
+                    grp->actions[0].name, lys_nodetype2str(grp->actions[0].nodetype), parent->name,
+                    lys_nodetype2str(parent->nodetype));
+            ret = LY_EVALID;
+            goto cleanup;
+        }
+        COMPILE_OP_ARRAY_GOTO(ctx, grp->actions, *actions, parent, u, lys_compile_action, 0, ret, cleanup);
+
+        if (uses_p->when) {
+            /* inherit when */
+            LY_ARRAY_FOR(*actions, u) {
+                ret = lys_compile_when(ctx, uses_p->when, uses_p->flags, lysc_xpath_context(parent),
+                        (struct lysc_node *)&(*actions)[u], &when_shared);
+                LY_CHECK_GOTO(ret, cleanup);
+            }
+        }
+    }
+
+    /* compile notifications */
+    if (grp->notifs) {
+        notifs = parent ? lysc_node_notifs_p(parent) : &ctx->cur_mod->compiled->notifs;
+        if (!notifs) {
+            LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE, "Invalid child %s \"%s\" of uses parent %s \"%s\" node.",
+                    grp->notifs[0].name, lys_nodetype2str(grp->notifs[0].nodetype), parent->name,
+                    lys_nodetype2str(parent->nodetype));
+            ret = LY_EVALID;
+            goto cleanup;
+        }
+        COMPILE_OP_ARRAY_GOTO(ctx, grp->notifs, *notifs, parent, u, lys_compile_notif, 0, ret, cleanup);
+
+        if (uses_p->when) {
+            /* inherit when */
+            LY_ARRAY_FOR(*notifs, u) {
+                ret = lys_compile_when(ctx, uses_p->when, uses_p->flags, lysc_xpath_context(parent),
+                        (struct lysc_node *)&(*notifs)[u], &when_shared);
+                LY_CHECK_GOTO(ret, cleanup);
+            }
+        }
+    }
+
+    /* check that all augments were applied */
+    for (i = 0; i < ctx->uses_augs.count; ++i) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                "Augment target node \"%s\" in grouping \"%s\" was not found.",
+                ((struct lysc_augment *)ctx->uses_augs.objs[i])->nodeid->expr, grp->name);
+        ret = LY_ENOTFOUND;
+    }
+    LY_CHECK_GOTO(ret, cleanup);
+
+    /* check that all refines were applied */
+    for (i = 0; i < ctx->uses_rfns.count; ++i) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_REFERENCE,
+                "Refine(s) target node \"%s\" in grouping \"%s\" was not found.",
+                ((struct lysc_refine *)ctx->uses_rfns.objs[i])->nodeid->expr, grp->name);
+        ret = LY_ENOTFOUND;
+    }
+    LY_CHECK_GOTO(ret, cleanup);
+
+cleanup:
+    /* reload previous context's parsed module being processed */
+    ctx->pmod = mod_old;
+
+    /* remove the grouping from the stack for circular groupings dependency check */
+    ly_set_rm_index(&ctx->groupings, ctx->groupings.count - 1, NULL);
+    assert(ctx->groupings.count == grp_stack_count);
+
+    ly_set_erase(&uses_child_set, NULL);
+    return ret;
+}
+
+static int
+lys_compile_grouping_pathlog(struct lysc_ctx *ctx, struct lysp_node *node, char **path)
+{
+    struct lysp_node *iter;
+    int len = 0;
+
+    *path = NULL;
+    for (iter = node; iter && len >= 0; iter = iter->parent) {
+        char *s = *path;
+        char *id;
+
+        switch (iter->nodetype) {
+        case LYS_USES:
+            LY_CHECK_RET(asprintf(&id, "{uses='%s'}", iter->name) == -1, -1);
+            break;
+        case LYS_GROUPING:
+            LY_CHECK_RET(asprintf(&id, "{grouping='%s'}", iter->name) == -1, -1);
+            break;
+        case LYS_AUGMENT:
+            LY_CHECK_RET(asprintf(&id, "{augment='%s'}", iter->name) == -1, -1);
+            break;
+        default:
+            id = strdup(iter->name);
+            break;
+        }
+
+        if (!iter->parent) {
+            /* print prefix */
+            len = asprintf(path, "/%s:%s%s", ctx->cur_mod->name, id, s ? s : "");
+        } else {
+            /* prefix is the same as in parent */
+            len = asprintf(path, "/%s%s", id, s ? s : "");
+        }
+        free(s);
+        free(id);
+    }
+
+    if (len < 0) {
+        free(*path);
+        *path = NULL;
+    } else if (len == 0) {
+        *path = strdup("/");
+        len = 1;
+    }
+    return len;
+}
+
+LY_ERR
+lys_compile_grouping(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysp_grp *grp)
+{
+    LY_ERR ret;
+    char *path;
+    int len;
+
+    struct lysp_node_uses fake_uses = {
+        .parent = pnode,
+        .nodetype = LYS_USES,
+        .flags = 0, .next = NULL,
+        .name = grp->name,
+        .dsc = NULL, .ref = NULL, .when = NULL, .iffeatures = NULL, .exts = NULL,
+        .refines = NULL, .augments = NULL
+    };
+    struct lysc_node_container fake_container = {
+        .nodetype = LYS_CONTAINER,
+        .flags = pnode ? (pnode->flags & LYS_FLAGS_COMPILED_MASK) : 0,
+        .module = ctx->cur_mod,
+        .sp = NULL, .parent = NULL, .next = NULL,
+        .prev = (struct lysc_node *)&fake_container,
+        .name = "fake",
+        .dsc = NULL, .ref = NULL, .exts = NULL, .iffeatures = NULL, .when = NULL,
+        .child = NULL, .musts = NULL, .actions = NULL, .notifs = NULL
+    };
+
+    if (grp->parent) {
+        LOGWRN(ctx->ctx, "Locally scoped grouping \"%s\" not used.", grp->name);
+    }
+
+    len = lys_compile_grouping_pathlog(ctx, grp->parent, &path);
+    if (len < 0) {
+        LOGMEM(ctx->ctx);
+        return LY_EMEM;
+    }
+    strncpy(ctx->path, path, LYSC_CTX_BUFSIZE - 1);
+    ctx->path_len = (uint32_t)len;
+    free(path);
+
+    lysc_update_path(ctx, NULL, "{grouping}");
+    lysc_update_path(ctx, NULL, grp->name);
+    ret = lys_compile_uses(ctx, &fake_uses, (struct lysc_node *)&fake_container, NULL);
+    lysc_update_path(ctx, NULL, NULL);
+    lysc_update_path(ctx, NULL, NULL);
+
+    ctx->path_len = 1;
+    ctx->path[1] = '\0';
+
+    /* cleanup */
+    lysc_node_container_free(ctx->ctx, &fake_container);
+
+    return ret;
+}
+
+/**
+ * @brief Set config flags for a node.
+ *
+ * @param[in] ctx Compile context.
+ * @param[in] node Compiled node config to set.
+ * @param[in] parent Parent of @p node.
+ * @return LY_ERR value.
+ */
+static LY_ERR
+lys_compile_config(struct lysc_ctx *ctx, struct lysc_node *node, struct lysc_node *parent)
+{
+    if (node->nodetype == LYS_CASE) {
+        /* case never has any config */
+        assert(!(node->flags & LYS_CONFIG_MASK));
+        return LY_SUCCESS;
+    }
+
+    /* adjust parent to always get the ancestor with config */
+    if (parent && (parent->nodetype == LYS_CASE)) {
+        parent = parent->parent;
+        assert(parent);
+    }
+
+    if (ctx->options & (LYS_COMPILE_RPC_INPUT | LYS_COMPILE_RPC_OUTPUT)) {
+        /* ignore config statements inside RPC/action data */
+        node->flags &= ~LYS_CONFIG_MASK;
+        node->flags |= (ctx->options & LYS_COMPILE_RPC_INPUT) ? LYS_CONFIG_W : LYS_CONFIG_R;
+    } else if (ctx->options & LYS_COMPILE_NOTIFICATION) {
+        /* ignore config statements inside Notification data */
+        node->flags &= ~LYS_CONFIG_MASK;
+        node->flags |= LYS_CONFIG_R;
+    } else if (!(node->flags & LYS_CONFIG_MASK)) {
+        /* config not explicitely set, inherit it from parent */
+        if (parent) {
+            node->flags |= parent->flags & LYS_CONFIG_MASK;
+        } else {
+            /* default is config true */
+            node->flags |= LYS_CONFIG_W;
+        }
+    } else {
+        /* config set explicitely */
+        node->flags |= LYS_SET_CONFIG;
+    }
+
+    if (parent && (parent->flags & LYS_CONFIG_R) && (node->flags & LYS_CONFIG_W)) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_SEMANTICS,
+                "Configuration node cannot be child of any state data node.");
+        return LY_EVALID;
+    }
+
+    return LY_SUCCESS;
+}
+
+LY_ERR
+lys_compile_node(struct lysc_ctx *ctx, struct lysp_node *pnode, struct lysc_node *parent, uint16_t uses_status,
+        struct ly_set *child_set)
+{
+    LY_ERR ret = LY_SUCCESS;
+    struct lysc_node *node = NULL;
+    struct lysp_node *dev_pnode = NULL, *orig_pnode = pnode;
+    LY_ARRAY_COUNT_TYPE u;
+    ly_bool not_supported;
+
+    LY_ERR (*node_compile_spec)(struct lysc_ctx *, struct lysp_node *, struct lysc_node *);
+
+    if (pnode->nodetype != LYS_USES) {
+        lysc_update_path(ctx, parent, pnode->name);
+    } else {
+        lysc_update_path(ctx, NULL, "{uses}");
+        lysc_update_path(ctx, NULL, pnode->name);
+    }
+
+    switch (pnode->nodetype) {
+    case LYS_CONTAINER:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_container));
+        node_compile_spec = lys_compile_node_container;
+        break;
+    case LYS_LEAF:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_leaf));
+        node_compile_spec = lys_compile_node_leaf;
+        break;
+    case LYS_LIST:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_list));
+        node_compile_spec = lys_compile_node_list;
+        break;
+    case LYS_LEAFLIST:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_leaflist));
+        node_compile_spec = lys_compile_node_leaflist;
+        break;
+    case LYS_CHOICE:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_choice));
+        node_compile_spec = lys_compile_node_choice;
+        break;
+    case LYS_CASE:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_case));
+        node_compile_spec = lys_compile_node_case;
+        break;
+    case LYS_ANYXML:
+    case LYS_ANYDATA:
+        node = (struct lysc_node *)calloc(1, sizeof(struct lysc_node_anydata));
+        node_compile_spec = lys_compile_node_any;
+        break;
+    case LYS_USES:
+        ret = lys_compile_uses(ctx, (struct lysp_node_uses *)pnode, parent, child_set);
+        lysc_update_path(ctx, NULL, NULL);
+        lysc_update_path(ctx, NULL, NULL);
+        return ret;
+    default:
+        LOGINT(ctx->ctx);
+        return LY_EINT;
+    }
+    LY_CHECK_ERR_RET(!node, LOGMEM(ctx->ctx), LY_EMEM);
+
+    /* compile any deviations for this node */
+    LY_CHECK_ERR_RET(ret = lys_compile_node_deviations_refines(ctx, pnode, parent, &dev_pnode, &not_supported),
+            free(node), ret);
+    if (not_supported) {
+        free(node);
+        lysc_update_path(ctx, NULL, NULL);
+        return LY_SUCCESS;
+    } else if (dev_pnode) {
+        pnode = dev_pnode;
+    }
+
+    node->nodetype = pnode->nodetype;
+    node->module = ctx->cur_mod;
+    node->prev = node;
+    node->flags = pnode->flags & LYS_FLAGS_COMPILED_MASK;
+
+    /* config */
+    ret = lys_compile_config(ctx, node, parent);
+    LY_CHECK_GOTO(ret, error);
+
+    /* list ordering */
+    if (node->nodetype & (LYS_LIST | LYS_LEAFLIST)) {
+        if ((node->flags & LYS_CONFIG_R) && (node->flags & LYS_ORDBY_MASK)) {
+            LOGWRN(ctx->ctx, "The ordered-by statement is ignored in lists representing %s (%s).",
+                    (ctx->options & LYS_COMPILE_RPC_OUTPUT) ? "RPC/action output parameters" :
+                    (ctx->options & LYS_COMPILE_NOTIFICATION) ? "notification content" : "state data", ctx->path);
+            node->flags &= ~LYS_ORDBY_MASK;
+            node->flags |= LYS_ORDBY_SYSTEM;
+        } else if (!(node->flags & LYS_ORDBY_MASK)) {
+            /* default ordering is system */
+            node->flags |= LYS_ORDBY_SYSTEM;
+        }
+    }
+
+    /* status - it is not inherited by specification, but it does not make sense to have
+     * current in deprecated or deprecated in obsolete, so we do print warning and inherit status */
+    LY_CHECK_GOTO(ret = lys_compile_status(ctx, &node->flags, uses_status ? uses_status : (parent ? parent->flags : 0)), error);
+
+    node->sp = orig_pnode;
+    DUP_STRING_GOTO(ctx->ctx, pnode->name, node->name, ret, error);
+    DUP_STRING_GOTO(ctx->ctx, pnode->dsc, node->dsc, ret, error);
+    DUP_STRING_GOTO(ctx->ctx, pnode->ref, node->ref, ret, error);
+    COMPILE_ARRAY_GOTO(ctx, pnode->iffeatures, node->iffeatures, u, lys_compile_iffeature, ret, error);
+
+    /* insert into parent's children/compiled module (we can no longer free the node separately on error) */
+    LY_CHECK_GOTO(ret = lys_compile_node_connect(ctx, parent, node), cleanup);
+
+    if (pnode->when) {
+        /* compile when */
+        ret = lys_compile_when(ctx, pnode->when, pnode->flags, lysc_xpath_context(node), node, NULL);
+        LY_CHECK_GOTO(ret, cleanup);
+    }
+
+    /* connect any augments */
+    LY_CHECK_GOTO(ret = lys_compile_node_augments(ctx, node), cleanup);
+
+    /* nodetype-specific part */
+    LY_CHECK_GOTO(ret = node_compile_spec(ctx, pnode, node), cleanup);
+
+    /* final compilation tasks that require the node to be connected */
+    COMPILE_EXTS_GOTO(ctx, pnode->exts, node->exts, node, LYEXT_PAR_NODE, ret, cleanup);
+    if (node->flags & LYS_MAND_TRUE) {
+        /* inherit LYS_MAND_TRUE in parent containers */
+        lys_compile_mandatory_parents(parent, 1);
+    }
+
+    if (child_set) {
+        /* add the new node into set */
+        LY_CHECK_GOTO(ret = ly_set_add(child_set, node, 1, NULL), cleanup);
+    }
+
+    lysc_update_path(ctx, NULL, NULL);
+    lysp_dev_node_free(ctx->ctx, dev_pnode);
+    return LY_SUCCESS;
+
+error:
+    lysc_node_free(ctx->ctx, node);
+cleanup:
+    if (dev_pnode) {
+        LOGVAL(ctx->ctx, LY_VLOG_STR, ctx->path, LYVE_OTHER, "Compilation of a deviated and/or refined node failed.");
+        lysp_dev_node_free(ctx->ctx, dev_pnode);
+    }
+    return ret;
+}