--- /dev/null
+%{
+/*
+ * SPDX-License-Identifier: MIT
+ *
+ * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * Common Trace Format Metadata Grammar.
+ */
+
+#define BT_LOG_OUTPUT_LEVEL ctf_plugin_metadata_log_level
+#define BT_LOG_TAG "PLUGIN/CTF/META/PARSER"
+#include "logging.hpp"
+
+#include <stdio.h>
+#include <ctype.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <glib.h>
+#include <errno.h>
+#include <inttypes.h>
+#include "common/list.h"
+#include "common/assert.h"
+#include "scanner.hpp"
+#include "ast.hpp"
+#include "objstack.hpp"
+
+#include "parser-wrap.hpp"
+
+/* Join two lists, put "add" at the end of "head". */
+static inline void
+_bt_list_splice_tail (struct bt_list_head *add, struct bt_list_head *head)
+{
+ /* Do nothing if the list which gets added is empty. */
+ if (add != add->next) {
+ add->next->prev = head->prev;
+ add->prev->next = head;
+ head->prev->next = add->next;
+ head->prev = add->prev;
+ }
+}
+
+BT_HIDDEN
+int yylex(union YYSTYPE *yyval, yyscan_t yyscanner);
+BT_HIDDEN
+int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
+BT_HIDDEN
+int yylex_destroy(yyscan_t yyscanner);
+BT_HIDDEN
+void yyrestart(FILE * in_str, yyscan_t yyscanner);
+BT_HIDDEN
+int yyget_lineno(yyscan_t yyscanner);
+BT_HIDDEN
+char *yyget_text(yyscan_t yyscanner);
+
+/*
+ * Static node for out of memory errors. Only "type" is used. lineno is
+ * always left at 0. The rest of the node content can be overwritten,
+ * but is never used.
+ */
+static struct ctf_node error_node = {
+ .parent = nullptr,
+ .siblings = {},
+ .tmp_head = {},
+ .lineno = 0,
+ .visited = 0,
+ .type = NODE_ERROR,
+};
+
+BT_HIDDEN
+const char *node_type(struct ctf_node *node)
+{
+ switch (node->type) {
+#define ENTRY(S) case S: return #S;
+ FOREACH_CTF_NODES(ENTRY)
+#undef ENTRY
+ };
+
+ bt_common_abort();
+}
+
+void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
+{
+ lvalp->s = (char *) objstack_alloc(scanner->objstack, strlen(src) + 1);
+ strcpy(lvalp->s, src);
+}
+
+static
+int str_check(size_t str_len, size_t offset, size_t len)
+{
+ /* check overflow */
+ if (offset + len < offset)
+ return -1;
+ if (offset + len > str_len)
+ return -1;
+ return 0;
+}
+
+static
+int bt_isodigit(int c)
+{
+ switch (c) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+static
+int parse_base_sequence(const char *src, size_t len, size_t pos,
+ char *buffer, size_t *buf_len, int base)
+{
+ const size_t max_char = 3;
+ int nr_char = 0;
+
+ while (!str_check(len, pos, 1) && nr_char < max_char) {
+ char c = src[pos++];
+
+ if (base == 8) {
+ if (bt_isodigit(c))
+ buffer[nr_char++] = c;
+ else
+ break;
+ } else if (base == 16) {
+ if (isxdigit(c))
+ buffer[nr_char++] = c;
+ else
+ break;
+
+ } else {
+ /* Unsupported base */
+ return -1;
+ }
+ }
+ BT_ASSERT_DBG(nr_char > 0);
+ buffer[nr_char] = '\0';
+ *buf_len = nr_char;
+ return 0;
+}
+
+static
+int import_basic_string(struct ctf_scanner *scanner, YYSTYPE *lvalp,
+ size_t len, const char *src, char delim)
+{
+ size_t pos = 0, dpos = 0;
+
+ if (str_check(len, pos, 1))
+ return -1;
+ if (src[pos++] != delim)
+ return -1;
+
+ while (src[pos] != delim) {
+ char c;
+
+ if (str_check(len, pos, 1))
+ return -1;
+ c = src[pos++];
+ if (c == '\\') {
+ if (str_check(len, pos, 1))
+ return -1;
+ c = src[pos++];
+
+ switch (c) {
+ case 'a':
+ c = '\a';
+ break;
+ case 'b':
+ c = '\b';
+ break;
+ case 'f':
+ c = '\f';
+ break;
+ case 'n':
+ c = '\n';
+ break;
+ case 'r':
+ c = '\r';
+ break;
+ case 't':
+ c = '\t';
+ break;
+ case 'v':
+ c = '\v';
+ break;
+ case '\\':
+ c = '\\';
+ break;
+ case '\'':
+ c = '\'';
+ break;
+ case '\"':
+ c = '\"';
+ break;
+ case '?':
+ c = '?';
+ break;
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ {
+ char oct_buffer[4];
+ size_t oct_len;
+
+ if (parse_base_sequence(src, len, pos - 1,
+ oct_buffer, &oct_len, 8))
+ return -1;
+ c = strtoul(&oct_buffer[0], NULL, 8);
+ pos += oct_len - 1;
+ break;
+ }
+ case 'x':
+ {
+ char hex_buffer[4];
+ size_t hex_len;
+
+ if (parse_base_sequence(src, len, pos,
+ hex_buffer, &hex_len, 16))
+ return -1;
+ c = strtoul(&hex_buffer[0], NULL, 16);
+ pos += hex_len;
+ break;
+ }
+ default:
+ return -1;
+ }
+ }
+ if (str_check(len, dpos, 1))
+ return -1;
+ lvalp->s[dpos++] = c;
+ }
+
+ if (str_check(len, dpos, 1))
+ return -1;
+ lvalp->s[dpos++] = '\0';
+
+ if (str_check(len, pos, 1))
+ return -1;
+ if (src[pos++] != delim)
+ return -1;
+
+ if (str_check(len, pos, 1))
+ return -1;
+ if (src[pos] != '\0')
+ return -1;
+ return 0;
+}
+
+int import_string(struct ctf_scanner *scanner, YYSTYPE *lvalp,
+ const char *src, char delim)
+{
+ size_t len;
+
+ len = strlen(src) + 1;
+ lvalp->s = (char *) objstack_alloc(scanner->objstack, len);
+ if (src[0] == 'L') {
+ // TODO: import wide string
+ _BT_LOGE_APPEND_CAUSE_LINENO(yyget_lineno(scanner),
+ "wide characters are not supported as of this version: "
+ "scanner-addr=%p", scanner);
+ return -1;
+ } else {
+ return import_basic_string(scanner, lvalp, len, src, delim);
+ }
+}
+
+static void init_scope(struct ctf_scanner_scope *scope,
+ struct ctf_scanner_scope *parent)
+{
+ scope->parent = parent;
+ scope->classes = g_hash_table_new_full(g_str_hash, g_str_equal,
+ NULL, NULL);
+}
+
+static void finalize_scope(struct ctf_scanner_scope *scope)
+{
+ g_hash_table_destroy(scope->classes);
+}
+
+static void push_scope(struct ctf_scanner *scanner)
+{
+ struct ctf_scanner_scope *ns;
+
+ BT_LOGT("Pushing scope: scanner-addr=%p", scanner);
+ ns = (ctf_scanner_scope *) malloc(sizeof(struct ctf_scanner_scope));
+ init_scope(ns, scanner->cs);
+ scanner->cs = ns;
+}
+
+static void pop_scope(struct ctf_scanner *scanner)
+{
+ struct ctf_scanner_scope *os;
+
+ BT_LOGT("Popping scope: scanner-addr=%p", scanner);
+ os = scanner->cs;
+ scanner->cs = os->parent;
+ finalize_scope(os);
+ free(os);
+}
+
+static int lookup_type(struct ctf_scanner_scope *s, const char *id)
+{
+ int ret;
+
+ ret = GPOINTER_TO_INT(g_hash_table_lookup(s->classes, id));
+ BT_LOGT("Looked up type: scanner-addr=%p, id=\"%s\", ret=%d",
+ s, id, ret);
+ return ret;
+}
+
+BT_HIDDEN
+int is_type(struct ctf_scanner *scanner, const char *id)
+{
+ struct ctf_scanner_scope *it;
+ int ret = 0;
+
+ for (it = scanner->cs; it; it = it->parent) {
+ if (lookup_type(it, id)) {
+ ret = 1;
+ break;
+ }
+ }
+ BT_LOGT("Found if ID is type: scanner-addr=%p, id=\"%s\", ret=%d",
+ scanner, id, ret);
+ return ret;
+}
+
+static void add_type(struct ctf_scanner *scanner, char *id)
+{
+ BT_LOGT("Adding type: scanner-addr=%p, id=\"%s\"",
+ scanner, id);
+ if (lookup_type(scanner->cs, id))
+ return;
+ g_hash_table_insert(scanner->cs->classes, id, id);
+}
+
+static struct ctf_node *make_node(struct ctf_scanner *scanner,
+ enum node_type type)
+{
+ struct ctf_node *node;
+
+ node = (ctf_node *) objstack_alloc(scanner->objstack, sizeof(*node));
+ if (!node) {
+ _BT_LOGE_APPEND_CAUSE_LINENO(yyget_lineno(scanner->scanner),
+ "failed to allocate one stack entry: "
+ "scanner-addr=%p", scanner);
+ return &error_node;
+ }
+ node->type = type;
+ node->lineno = yyget_lineno(scanner->scanner);
+ BT_INIT_LIST_HEAD(&node->tmp_head);
+ bt_list_add(&node->siblings, &node->tmp_head);
+
+ switch (type) {
+ case NODE_ROOT:
+ node->type = NODE_ERROR;
+ BT_LOGE("Trying to create root node: scanner-addr=%p",
+ scanner);
+ break;
+ case NODE_EVENT:
+ BT_INIT_LIST_HEAD(&node->u.event.declaration_list);
+ break;
+ case NODE_STREAM:
+ BT_INIT_LIST_HEAD(&node->u.stream.declaration_list);
+ break;
+ case NODE_ENV:
+ BT_INIT_LIST_HEAD(&node->u.env.declaration_list);
+ break;
+ case NODE_TRACE:
+ BT_INIT_LIST_HEAD(&node->u.trace.declaration_list);
+ break;
+ case NODE_CLOCK:
+ BT_INIT_LIST_HEAD(&node->u.clock.declaration_list);
+ break;
+ case NODE_CALLSITE:
+ BT_INIT_LIST_HEAD(&node->u.callsite.declaration_list);
+ break;
+ case NODE_CTF_EXPRESSION:
+ BT_INIT_LIST_HEAD(&node->u.ctf_expression.left);
+ BT_INIT_LIST_HEAD(&node->u.ctf_expression.right);
+ break;
+ case NODE_UNARY_EXPRESSION:
+ break;
+ case NODE_TYPEDEF:
+ BT_INIT_LIST_HEAD(&node->u.field_class_def.field_class_declarators);
+ break;
+ case NODE_TYPEALIAS_TARGET:
+ BT_INIT_LIST_HEAD(&node->u.field_class_alias_target.field_class_declarators);
+ break;
+ case NODE_TYPEALIAS_ALIAS:
+ BT_INIT_LIST_HEAD(&node->u.field_class_alias_name.field_class_declarators);
+ break;
+ case NODE_TYPEALIAS:
+ break;
+ case NODE_TYPE_SPECIFIER:
+ break;
+ case NODE_TYPE_SPECIFIER_LIST:
+ BT_INIT_LIST_HEAD(&node->u.field_class_specifier_list.head);
+ break;
+ case NODE_POINTER:
+ break;
+ case NODE_TYPE_DECLARATOR:
+ BT_INIT_LIST_HEAD(&node->u.field_class_declarator.pointers);
+ break;
+ case NODE_FLOATING_POINT:
+ BT_INIT_LIST_HEAD(&node->u.floating_point.expressions);
+ break;
+ case NODE_INTEGER:
+ BT_INIT_LIST_HEAD(&node->u.integer.expressions);
+ break;
+ case NODE_STRING:
+ BT_INIT_LIST_HEAD(&node->u.string.expressions);
+ break;
+ case NODE_ENUMERATOR:
+ BT_INIT_LIST_HEAD(&node->u.enumerator.values);
+ break;
+ case NODE_ENUM:
+ BT_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
+ break;
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ BT_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.field_class_declarators);
+ break;
+ case NODE_VARIANT:
+ BT_INIT_LIST_HEAD(&node->u.variant.declaration_list);
+ break;
+ case NODE_STRUCT:
+ BT_INIT_LIST_HEAD(&node->u._struct.declaration_list);
+ BT_INIT_LIST_HEAD(&node->u._struct.min_align);
+ break;
+ case NODE_UNKNOWN:
+ default:
+ node->type = NODE_ERROR;
+ BT_LOGE("Unknown node type: scanner-addr=%p, node-type=%d",
+ scanner, type);
+ break;
+ }
+
+ return node;
+}
+
+static int reparent_ctf_expression(struct ctf_node *node,
+ struct ctf_node *parent)
+{
+ switch (parent->type) {
+ case NODE_EVENT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
+ break;
+ case NODE_STREAM:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
+ break;
+ case NODE_ENV:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
+ break;
+ case NODE_TRACE:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
+ break;
+ case NODE_CLOCK:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
+ break;
+ case NODE_CALLSITE:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
+ break;
+ case NODE_FLOATING_POINT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.floating_point.expressions);
+ break;
+ case NODE_INTEGER:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.integer.expressions);
+ break;
+ case NODE_STRING:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.string.expressions);
+ break;
+
+ case NODE_ROOT:
+ case NODE_CTF_EXPRESSION:
+ case NODE_TYPEDEF:
+ case NODE_TYPEALIAS_TARGET:
+ case NODE_TYPEALIAS_ALIAS:
+ case NODE_TYPEALIAS:
+ case NODE_TYPE_SPECIFIER:
+ case NODE_TYPE_SPECIFIER_LIST:
+ case NODE_POINTER:
+ case NODE_TYPE_DECLARATOR:
+ case NODE_ENUMERATOR:
+ case NODE_ENUM:
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ case NODE_VARIANT:
+ case NODE_STRUCT:
+ case NODE_UNARY_EXPRESSION:
+ return -EPERM;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
+{
+ switch (parent->type) {
+ case NODE_ROOT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
+ break;
+ case NODE_EVENT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
+ break;
+ case NODE_STREAM:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
+ break;
+ case NODE_ENV:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
+ break;
+ case NODE_TRACE:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
+ break;
+ case NODE_CLOCK:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
+ break;
+ case NODE_CALLSITE:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
+ break;
+ case NODE_VARIANT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
+ break;
+ case NODE_STRUCT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
+ break;
+
+ case NODE_FLOATING_POINT:
+ case NODE_INTEGER:
+ case NODE_STRING:
+ case NODE_CTF_EXPRESSION:
+ case NODE_TYPEDEF:
+ case NODE_TYPEALIAS_TARGET:
+ case NODE_TYPEALIAS_ALIAS:
+ case NODE_TYPEALIAS:
+ case NODE_TYPE_SPECIFIER:
+ case NODE_TYPE_SPECIFIER_LIST:
+ case NODE_POINTER:
+ case NODE_TYPE_DECLARATOR:
+ case NODE_ENUMERATOR:
+ case NODE_ENUM:
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ case NODE_UNARY_EXPRESSION:
+ return -EPERM;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int reparent_field_class_alias(struct ctf_node *node, struct ctf_node *parent)
+{
+ switch (parent->type) {
+ case NODE_ROOT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
+ break;
+ case NODE_EVENT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
+ break;
+ case NODE_STREAM:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
+ break;
+ case NODE_ENV:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.env.declaration_list);
+ break;
+ case NODE_TRACE:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
+ break;
+ case NODE_CLOCK:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.clock.declaration_list);
+ break;
+ case NODE_CALLSITE:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.callsite.declaration_list);
+ break;
+ case NODE_VARIANT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
+ break;
+ case NODE_STRUCT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
+ break;
+
+ case NODE_FLOATING_POINT:
+ case NODE_INTEGER:
+ case NODE_STRING:
+ case NODE_CTF_EXPRESSION:
+ case NODE_TYPEDEF:
+ case NODE_TYPEALIAS_TARGET:
+ case NODE_TYPEALIAS_ALIAS:
+ case NODE_TYPEALIAS:
+ case NODE_TYPE_SPECIFIER:
+ case NODE_TYPE_SPECIFIER_LIST:
+ case NODE_POINTER:
+ case NODE_TYPE_DECLARATOR:
+ case NODE_ENUMERATOR:
+ case NODE_ENUM:
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ case NODE_UNARY_EXPRESSION:
+ return -EPERM;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int reparent_field_class_specifier(struct ctf_node *node,
+ struct ctf_node *parent)
+{
+ switch (parent->type) {
+ case NODE_TYPE_SPECIFIER_LIST:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.field_class_specifier_list.head);
+ break;
+
+ case NODE_TYPE_SPECIFIER:
+ case NODE_EVENT:
+ case NODE_STREAM:
+ case NODE_ENV:
+ case NODE_TRACE:
+ case NODE_CLOCK:
+ case NODE_CALLSITE:
+ case NODE_VARIANT:
+ case NODE_STRUCT:
+ case NODE_TYPEDEF:
+ case NODE_TYPEALIAS_TARGET:
+ case NODE_TYPEALIAS_ALIAS:
+ case NODE_TYPE_DECLARATOR:
+ case NODE_ENUM:
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ case NODE_TYPEALIAS:
+ case NODE_FLOATING_POINT:
+ case NODE_INTEGER:
+ case NODE_STRING:
+ case NODE_CTF_EXPRESSION:
+ case NODE_POINTER:
+ case NODE_ENUMERATOR:
+ case NODE_UNARY_EXPRESSION:
+ return -EPERM;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int reparent_field_class_specifier_list(struct ctf_node *node,
+ struct ctf_node *parent)
+{
+ switch (parent->type) {
+ case NODE_ROOT:
+ bt_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
+ break;
+ case NODE_EVENT:
+ bt_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
+ break;
+ case NODE_STREAM:
+ bt_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
+ break;
+ case NODE_ENV:
+ bt_list_add_tail(&node->siblings, &parent->u.env.declaration_list);
+ break;
+ case NODE_TRACE:
+ bt_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
+ break;
+ case NODE_CLOCK:
+ bt_list_add_tail(&node->siblings, &parent->u.clock.declaration_list);
+ break;
+ case NODE_CALLSITE:
+ bt_list_add_tail(&node->siblings, &parent->u.callsite.declaration_list);
+ break;
+ case NODE_VARIANT:
+ bt_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
+ break;
+ case NODE_STRUCT:
+ bt_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
+ break;
+ case NODE_TYPEDEF:
+ parent->u.field_class_def.field_class_specifier_list = node;
+ break;
+ case NODE_TYPEALIAS_TARGET:
+ parent->u.field_class_alias_target.field_class_specifier_list = node;
+ break;
+ case NODE_TYPEALIAS_ALIAS:
+ parent->u.field_class_alias_name.field_class_specifier_list = node;
+ break;
+ case NODE_ENUM:
+ parent->u._enum.container_field_class = node;
+ break;
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ parent->u.struct_or_variant_declaration.field_class_specifier_list = node;
+ break;
+ case NODE_TYPE_DECLARATOR:
+ case NODE_TYPE_SPECIFIER:
+ case NODE_TYPEALIAS:
+ case NODE_FLOATING_POINT:
+ case NODE_INTEGER:
+ case NODE_STRING:
+ case NODE_CTF_EXPRESSION:
+ case NODE_POINTER:
+ case NODE_ENUMERATOR:
+ case NODE_UNARY_EXPRESSION:
+ return -EPERM;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int reparent_field_class_declarator(struct ctf_node *node,
+ struct ctf_node *parent)
+{
+ switch (parent->type) {
+ case NODE_TYPE_DECLARATOR:
+ parent->u.field_class_declarator.type = TYPEDEC_NESTED;
+ parent->u.field_class_declarator.u.nested.field_class_declarator = node;
+ break;
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.field_class_declarators);
+ break;
+ case NODE_TYPEDEF:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.field_class_def.field_class_declarators);
+ break;
+ case NODE_TYPEALIAS_TARGET:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.field_class_alias_target.field_class_declarators);
+ break;
+ case NODE_TYPEALIAS_ALIAS:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.field_class_alias_name.field_class_declarators);
+ break;
+
+ case NODE_ROOT:
+ case NODE_EVENT:
+ case NODE_STREAM:
+ case NODE_ENV:
+ case NODE_TRACE:
+ case NODE_CLOCK:
+ case NODE_CALLSITE:
+ case NODE_VARIANT:
+ case NODE_STRUCT:
+ case NODE_TYPEALIAS:
+ case NODE_ENUM:
+ case NODE_FLOATING_POINT:
+ case NODE_INTEGER:
+ case NODE_STRING:
+ case NODE_CTF_EXPRESSION:
+ case NODE_TYPE_SPECIFIER:
+ case NODE_TYPE_SPECIFIER_LIST:
+ case NODE_POINTER:
+ case NODE_ENUMERATOR:
+ case NODE_UNARY_EXPRESSION:
+ return -EPERM;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * set_parent_node
+ *
+ * Link node to parent. Returns 0 on success, -EPERM if it is not permitted to
+ * create the link declared by the input, -ENOENT if node or parent is NULL,
+ * -EINVAL if there is an internal structure problem.
+ */
+static int set_parent_node(struct ctf_node *node,
+ struct ctf_node *parent)
+{
+ if (!node || !parent)
+ return -ENOENT;
+
+ /* Note: Linking to parent will be done only by an external visitor */
+
+ switch (node->type) {
+ case NODE_ROOT:
+ BT_LOGE_STR("Trying to reparent root node.");
+ return -EINVAL;
+
+ case NODE_EVENT:
+ if (parent->type == NODE_ROOT) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.event);
+ } else {
+ return -EPERM;
+ }
+ break;
+ case NODE_STREAM:
+ if (parent->type == NODE_ROOT) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
+ } else {
+ return -EPERM;
+ }
+ break;
+ case NODE_ENV:
+ if (parent->type == NODE_ROOT) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.env);
+ } else {
+ return -EPERM;
+ }
+ break;
+ case NODE_TRACE:
+ if (parent->type == NODE_ROOT) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
+ } else {
+ return -EPERM;
+ }
+ break;
+ case NODE_CLOCK:
+ if (parent->type == NODE_ROOT) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.clock);
+ } else {
+ return -EPERM;
+ }
+ break;
+ case NODE_CALLSITE:
+ if (parent->type == NODE_ROOT) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.root.callsite);
+ } else {
+ return -EPERM;
+ }
+ break;
+
+ case NODE_CTF_EXPRESSION:
+ return reparent_ctf_expression(node, parent);
+ case NODE_UNARY_EXPRESSION:
+ if (parent->type == NODE_TYPE_DECLARATOR)
+ parent->u.field_class_declarator.bitfield_len = node;
+ else
+ return -EPERM;
+ break;
+
+ case NODE_TYPEDEF:
+ return reparent_typedef(node, parent);
+ case NODE_TYPEALIAS_TARGET:
+ if (parent->type == NODE_TYPEALIAS)
+ parent->u.field_class_alias.target = node;
+ else
+ return -EINVAL;
+ /* fall-through */
+ case NODE_TYPEALIAS_ALIAS:
+ if (parent->type == NODE_TYPEALIAS)
+ parent->u.field_class_alias.alias = node;
+ else
+ return -EINVAL;
+ /* fall-through */
+ case NODE_TYPEALIAS:
+ return reparent_field_class_alias(node, parent);
+
+ case NODE_POINTER:
+ if (parent->type == NODE_TYPE_DECLARATOR) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.field_class_declarator.pointers);
+ } else
+ return -EPERM;
+ break;
+ case NODE_TYPE_DECLARATOR:
+ return reparent_field_class_declarator(node, parent);
+
+ case NODE_TYPE_SPECIFIER_LIST:
+ return reparent_field_class_specifier_list(node, parent);
+
+ case NODE_TYPE_SPECIFIER:
+ return reparent_field_class_specifier(node, parent);
+
+ case NODE_FLOATING_POINT:
+ case NODE_INTEGER:
+ case NODE_STRING:
+ case NODE_ENUM:
+ case NODE_VARIANT:
+ case NODE_STRUCT:
+ return -EINVAL; /* Dealt with internally within grammar */
+
+ case NODE_ENUMERATOR:
+ if (parent->type == NODE_ENUM) {
+ _bt_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
+ } else {
+ return -EPERM;
+ }
+ break;
+ case NODE_STRUCT_OR_VARIANT_DECLARATION:
+ switch (parent->type) {
+ case NODE_STRUCT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
+ break;
+ case NODE_VARIANT:
+ _bt_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
+ break;
+ default:
+ return -EINVAL;
+ }
+ break;
+
+ case NODE_UNKNOWN:
+ default:
+ BT_LOGE("Unknown node type: node-type=%d", parent->type);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static
+void yyerror(struct ctf_scanner *scanner, yyscan_t yyscanner, const char *str)
+{
+ _BT_LOGE_APPEND_CAUSE_LINENO(yyget_lineno(scanner->scanner),
+ "%s: token=\"%s\"", str, yyget_text(scanner->scanner));
+}
+
+#define reparent_error(scanner, str) \
+do { \
+ yyerror(scanner, scanner->scanner, YY_("reparent_error: " str)); \
+ YYERROR; \
+} while (0)
+
+static struct ctf_ast *ctf_ast_alloc(struct ctf_scanner *scanner)
+{
+ struct ctf_ast *ast;
+
+ ast = (ctf_ast *) objstack_alloc(scanner->objstack, sizeof(*ast));
+ if (!ast)
+ return NULL;
+ ast->root.type = NODE_ROOT;
+ BT_INIT_LIST_HEAD(&ast->root.tmp_head);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.trace);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.env);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.stream);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.event);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.clock);
+ BT_INIT_LIST_HEAD(&ast->root.u.root.callsite);
+ return ast;
+}
+
+int ctf_scanner_append_ast(struct ctf_scanner *scanner, FILE *input)
+{
+ /* Start processing new stream */
+ yyrestart(input, scanner->scanner);
+ return yyparse(scanner, scanner->scanner);
+}
+
+struct ctf_scanner *ctf_scanner_alloc(void)
+{
+ struct ctf_scanner *scanner;
+ int ret;
+
+ scanner = (ctf_scanner *) malloc(sizeof(*scanner));
+ if (!scanner)
+ return NULL;
+ memset(scanner, 0, sizeof(*scanner));
+ ret = yylex_init_extra(scanner, &scanner->scanner);
+ if (ret) {
+ BT_LOGE("yylex_init_extra() failed: ret=%d", ret);
+ goto cleanup_scanner;
+ }
+ scanner->objstack = objstack_create();
+ if (!scanner->objstack)
+ goto cleanup_lexer;
+ scanner->ast = ctf_ast_alloc(scanner);
+ if (!scanner->ast)
+ goto cleanup_objstack;
+ init_scope(&scanner->root_scope, NULL);
+ scanner->cs = &scanner->root_scope;
+
+ return scanner;
+
+cleanup_objstack:
+ objstack_destroy(scanner->objstack);
+cleanup_lexer:
+ ret = yylex_destroy(scanner->scanner);
+ if (!ret)
+ BT_LOGE("yylex_destroy() failed: scanner-addr=%p, ret=%d",
+ scanner, ret);
+cleanup_scanner:
+ free(scanner);
+ return NULL;
+}
+
+void ctf_scanner_free(struct ctf_scanner *scanner)
+{
+ int ret;
+
+ if (!scanner)
+ return;
+
+ struct ctf_scanner_scope *scope = scanner->cs;
+
+ do {
+ struct ctf_scanner_scope *parent = scope->parent;
+ finalize_scope(scope);
+
+ /*
+ * The root scope is allocated within the ctf_scanner structure,
+ * do doesn't need freeing. All others are allocated on their
+ * own.
+ */
+ if (scope != &scanner->root_scope)
+ free(scope);
+
+ scope = parent;
+ } while (scope);
+
+ objstack_destroy(scanner->objstack);
+ ret = yylex_destroy(scanner->scanner);
+ if (ret)
+ BT_LOGE("yylex_destroy() failed: scanner-addr=%p, ret=%d",
+ scanner, ret);
+ free(scanner);
+}
+
+/*
+ * The bison-provided version of strlen (yystrlen) generates a benign
+ * -Wnull-dereference warning. That version is used when building on cygwin,
+ * for example, but you can also enable it by hand (to test) by removing the
+ * preprocessor conditional around it.
+ *
+ * Define yystrlen such that it will always use strlen. As far as we know,
+ * strlen provided by all the platforms we use is reliable.
+ */
+#define yystrlen strlen
+
+%}
+
+/*
+ * This ends up in parser.h and makes sure those who want to include it pass
+ * through parser-wrap.h.
+ */
+%code requires {
+#ifndef ALLOW_INCLUDE_PARSER_H
+# error "Don't include parser.h directly, include parser-wrap.h instead."
+#endif
+}
+
+%code provides {
+ BT_HIDDEN
+ void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src);
+
+ BT_HIDDEN
+ int import_string(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src, char delim);
+}
+
+%define api.pure
+ /* %locations */
+%error-verbose
+%parse-param {struct ctf_scanner *scanner}
+%parse-param {yyscan_t yyscanner}
+%lex-param {yyscan_t yyscanner}
+/*
+ * Expect two shift-reduce conflicts. Caused by enum name-opt : type {}
+ * vs struct { int :value; } (unnamed bit-field). The default is to
+ * shift, so whenever we encounter an enumeration, we are doing the
+ * proper thing (shift). It is illegal to declare an enumeration
+ * "bit-field", so it is OK if this situation ends up in a parsing
+ * error.
+ */
+%expect 2
+%start file
+%token CTF_INTEGER_LITERAL CTF_STRING_LITERAL CTF_CHARACTER_LITERAL CTF_LSBRAC CTF_RSBRAC CTF_LPAREN CTF_RPAREN CTF_LBRAC CTF_RBRAC CTF_RARROW CTF_STAR CTF_PLUS CTF_MINUS CTF_LT CTF_GT CTF_TYPEASSIGN CTF_COLON CTF_SEMICOLON CTF_DOTDOTDOT CTF_DOT CTF_EQUAL CTF_COMMA CTF_CONST CTF_CHAR CTF_DOUBLE CTF_ENUM CTF_ENV CTF_EVENT CTF_FLOATING_POINT CTF_FLOAT CTF_INTEGER CTF_INT CTF_LONG CTF_SHORT CTF_SIGNED CTF_STREAM CTF_STRING CTF_STRUCT CTF_TRACE CTF_CALLSITE CTF_CLOCK CTF_TYPEALIAS CTF_TYPEDEF CTF_UNSIGNED CTF_VARIANT CTF_VOID CTF_BOOL CTF_COMPLEX CTF_IMAGINARY CTF_TOK_ALIGN
+%token <s> IDENTIFIER ID_TYPE
+%token CTF_ERROR
+%union
+{
+ long long ll;
+ unsigned long long ull;
+ char c;
+ char *s;
+ struct ctf_node *n;
+}
+
+%type <s> CTF_STRING_LITERAL CTF_CHARACTER_LITERAL
+
+%type <s> keywords
+
+%type <ull> CTF_INTEGER_LITERAL
+%type <n> postfix_expression unary_expression unary_expression_or_range
+
+%type <n> declaration
+%type <n> event_declaration
+%type <n> stream_declaration
+%type <n> env_declaration
+%type <n> trace_declaration
+%type <n> clock_declaration
+%type <n> callsite_declaration
+%type <n> integer_declaration_specifiers
+%type <n> declaration_specifiers
+%type <n> alias_declaration_specifiers
+
+%type <n> field_class_declarator_list
+%type <n> integer_field_class_specifier
+%type <n> field_class_specifier
+%type <n> struct_class_specifier
+%type <n> variant_field_class_specifier
+%type <n> enum_field_class_specifier
+%type <n> struct_or_variant_declaration_list
+%type <n> struct_or_variant_declaration
+%type <n> struct_or_variant_declarator_list
+%type <n> struct_or_variant_declarator
+%type <n> enumerator_list
+%type <n> enumerator
+%type <n> abstract_declarator_list
+%type <n> abstract_declarator
+%type <n> direct_abstract_declarator
+%type <n> alias_abstract_declarator_list
+%type <n> alias_abstract_declarator
+%type <n> direct_alias_abstract_declarator
+%type <n> declarator
+%type <n> direct_declarator
+%type <n> field_class_declarator
+%type <n> direct_field_class_declarator
+%type <n> pointer
+%type <n> ctf_assignment_expression_list
+%type <n> ctf_assignment_expression
+
+%%
+
+file:
+ declaration
+ {
+ if (set_parent_node($1, &ctf_scanner_get_ast(scanner)->root))
+ reparent_error(scanner, "error reparenting to root");
+ }
+ | file declaration
+ {
+ if (set_parent_node($2, &ctf_scanner_get_ast(scanner)->root))
+ reparent_error(scanner, "error reparenting to root");
+ }
+ ;
+
+keywords:
+ CTF_VOID
+ { $$ = yylval.s; }
+ | CTF_CHAR
+ { $$ = yylval.s; }
+ | CTF_SHORT
+ { $$ = yylval.s; }
+ | CTF_INT
+ { $$ = yylval.s; }
+ | CTF_LONG
+ { $$ = yylval.s; }
+ | CTF_FLOAT
+ { $$ = yylval.s; }
+ | CTF_DOUBLE
+ { $$ = yylval.s; }
+ | CTF_SIGNED
+ { $$ = yylval.s; }
+ | CTF_UNSIGNED
+ { $$ = yylval.s; }
+ | CTF_BOOL
+ { $$ = yylval.s; }
+ | CTF_COMPLEX
+ { $$ = yylval.s; }
+ | CTF_IMAGINARY
+ { $$ = yylval.s; }
+ | CTF_FLOATING_POINT
+ { $$ = yylval.s; }
+ | CTF_INTEGER
+ { $$ = yylval.s; }
+ | CTF_STRING
+ { $$ = yylval.s; }
+ | CTF_ENUM
+ { $$ = yylval.s; }
+ | CTF_VARIANT
+ { $$ = yylval.s; }
+ | CTF_STRUCT
+ { $$ = yylval.s; }
+ | CTF_CONST
+ { $$ = yylval.s; }
+ | CTF_TYPEDEF
+ { $$ = yylval.s; }
+ | CTF_EVENT
+ { $$ = yylval.s; }
+ | CTF_STREAM
+ { $$ = yylval.s; }
+ | CTF_ENV
+ { $$ = yylval.s; }
+ | CTF_TRACE
+ { $$ = yylval.s; }
+ | CTF_CLOCK
+ { $$ = yylval.s; }
+ | CTF_CALLSITE
+ { $$ = yylval.s; }
+ | CTF_TOK_ALIGN
+ { $$ = yylval.s; }
+ ;
+
+
+/* 2: Phrase structure grammar */
+
+postfix_expression:
+ IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ }
+ | ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ }
+ | keywords
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ }
+ | CTF_INTEGER_LITERAL
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
+ $$->u.unary_expression.u.unsigned_constant = $1;
+ }
+ | CTF_STRING_LITERAL
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = $1;
+ }
+ | CTF_CHARACTER_LITERAL
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = $1;
+ }
+ | CTF_LPAREN unary_expression CTF_RPAREN
+ {
+ $$ = $2;
+ }
+ | postfix_expression CTF_LSBRAC unary_expression CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_SBRAC;
+ $$->u.unary_expression.u.sbrac_exp = $3;
+ bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ | postfix_expression CTF_DOT IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ $$->u.unary_expression.link = UNARY_DOTLINK;
+ bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ | postfix_expression CTF_DOT ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ $$->u.unary_expression.link = UNARY_DOTLINK;
+ bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ | postfix_expression CTF_DOT keywords
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ $$->u.unary_expression.link = UNARY_DOTLINK;
+ bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ | postfix_expression CTF_RARROW IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ $$->u.unary_expression.link = UNARY_ARROWLINK;
+ bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ | postfix_expression CTF_RARROW ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
+ $$->u.unary_expression.type = UNARY_STRING;
+ $$->u.unary_expression.u.string = yylval.s;
+ $$->u.unary_expression.link = UNARY_ARROWLINK;
+ bt_list_splice(&($1)->tmp_head, &($$)->tmp_head);
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+unary_expression:
+ postfix_expression
+ { $$ = $1; }
+ | CTF_PLUS postfix_expression
+ {
+ $$ = $2;
+ if ($$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT
+ && $$->u.unary_expression.type != UNARY_SIGNED_CONSTANT) {
+ reparent_error(scanner, "expecting numeric constant");
+ }
+ }
+ | CTF_MINUS postfix_expression
+ {
+ $$ = $2;
+ if ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
+ $$->u.unary_expression.type = UNARY_SIGNED_CONSTANT;
+ $$->u.unary_expression.u.signed_constant =
+ -($$->u.unary_expression.u.unsigned_constant);
+ } else if ($$->u.unary_expression.type == UNARY_SIGNED_CONSTANT) {
+ $$->u.unary_expression.u.signed_constant =
+ -($$->u.unary_expression.u.signed_constant);
+ } else {
+ reparent_error(scanner, "expecting numeric constant");
+ }
+ }
+ ;
+
+unary_expression_or_range:
+ unary_expression CTF_DOTDOTDOT unary_expression
+ {
+ $$ = $1;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->tmp_head);
+ $3->u.unary_expression.link = UNARY_DOTDOTDOT;
+ }
+ | unary_expression
+ { $$ = $1; }
+ ;
+
+/* 2.2: Declarations */
+
+declaration:
+ declaration_specifiers CTF_SEMICOLON
+ { $$ = $1; }
+ | event_declaration
+ { $$ = $1; }
+ | stream_declaration
+ { $$ = $1; }
+ | env_declaration
+ { $$ = $1; }
+ | trace_declaration
+ { $$ = $1; }
+ | clock_declaration
+ { $$ = $1; }
+ | callsite_declaration
+ { $$ = $1; }
+ | declaration_specifiers CTF_TYPEDEF declaration_specifiers field_class_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_def.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($4)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | CTF_TYPEDEF declaration_specifiers field_class_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_def.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | declaration_specifiers CTF_TYPEDEF field_class_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_def.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | CTF_TYPEALIAS declaration_specifiers abstract_declarator_list CTF_TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEALIAS);
+ $$->u.field_class_alias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
+ $$->u.field_class_alias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_alias.target->u.field_class_alias_target.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_alias.target->u.field_class_alias_target.field_class_declarators);
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_alias.alias->u.field_class_alias_name.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($5)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.field_class_alias.alias->u.field_class_alias_name.field_class_declarators);
+ }
+ ;
+
+event_declaration:
+ event_declaration_begin event_declaration_end
+ {
+ $$ = make_node(scanner, NODE_EVENT);
+ }
+ | event_declaration_begin ctf_assignment_expression_list event_declaration_end
+ {
+ $$ = make_node(scanner, NODE_EVENT);
+ if (set_parent_node($2, $$))
+ reparent_error(scanner, "event_declaration");
+ }
+ ;
+
+event_declaration_begin:
+ CTF_EVENT CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+event_declaration_end:
+ CTF_RBRAC CTF_SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+
+stream_declaration:
+ stream_declaration_begin stream_declaration_end
+ {
+ $$ = make_node(scanner, NODE_STREAM);
+ }
+ | stream_declaration_begin ctf_assignment_expression_list stream_declaration_end
+ {
+ $$ = make_node(scanner, NODE_STREAM);
+ if (set_parent_node($2, $$))
+ reparent_error(scanner, "stream_declaration");
+ }
+ ;
+
+stream_declaration_begin:
+ CTF_STREAM CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+stream_declaration_end:
+ CTF_RBRAC CTF_SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+env_declaration:
+ env_declaration_begin env_declaration_end
+ {
+ $$ = make_node(scanner, NODE_ENV);
+ }
+ | env_declaration_begin ctf_assignment_expression_list env_declaration_end
+ {
+ $$ = make_node(scanner, NODE_ENV);
+ if (set_parent_node($2, $$))
+ reparent_error(scanner, "env declaration");
+ }
+ ;
+
+env_declaration_begin:
+ CTF_ENV CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+env_declaration_end:
+ CTF_RBRAC CTF_SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+trace_declaration:
+ trace_declaration_begin trace_declaration_end
+ {
+ $$ = make_node(scanner, NODE_TRACE);
+ }
+ | trace_declaration_begin ctf_assignment_expression_list trace_declaration_end
+ {
+ $$ = make_node(scanner, NODE_TRACE);
+ if (set_parent_node($2, $$))
+ reparent_error(scanner, "trace_declaration");
+ }
+ ;
+
+trace_declaration_begin:
+ CTF_TRACE CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+trace_declaration_end:
+ CTF_RBRAC CTF_SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+clock_declaration:
+ CTF_CLOCK clock_declaration_begin clock_declaration_end
+ {
+ $$ = make_node(scanner, NODE_CLOCK);
+ }
+ | CTF_CLOCK clock_declaration_begin ctf_assignment_expression_list clock_declaration_end
+ {
+ $$ = make_node(scanner, NODE_CLOCK);
+ if (set_parent_node($3, $$))
+ reparent_error(scanner, "trace_declaration");
+ }
+ ;
+
+clock_declaration_begin:
+ CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+clock_declaration_end:
+ CTF_RBRAC CTF_SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+callsite_declaration:
+ CTF_CALLSITE callsite_declaration_begin callsite_declaration_end
+ {
+ $$ = make_node(scanner, NODE_CALLSITE);
+ }
+ | CTF_CALLSITE callsite_declaration_begin ctf_assignment_expression_list callsite_declaration_end
+ {
+ $$ = make_node(scanner, NODE_CALLSITE);
+ if (set_parent_node($3, $$))
+ reparent_error(scanner, "trace_declaration");
+ }
+ ;
+
+callsite_declaration_begin:
+ CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+callsite_declaration_end:
+ CTF_RBRAC CTF_SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+integer_declaration_specifiers:
+ CTF_CONST
+ {
+ struct ctf_node *node;
+
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_CONST;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | integer_field_class_specifier
+ {
+ struct ctf_node *node;
+
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = $1;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | integer_declaration_specifiers CTF_CONST
+ {
+ struct ctf_node *node;
+
+ $$ = $1;
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_CONST;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | integer_declaration_specifiers integer_field_class_specifier
+ {
+ $$ = $1;
+ bt_list_add_tail(&($2)->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ ;
+
+declaration_specifiers:
+ CTF_CONST
+ {
+ struct ctf_node *node;
+
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_CONST;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | field_class_specifier
+ {
+ struct ctf_node *node;
+
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = $1;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | declaration_specifiers CTF_CONST
+ {
+ struct ctf_node *node;
+
+ $$ = $1;
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_CONST;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | declaration_specifiers field_class_specifier
+ {
+ $$ = $1;
+ bt_list_add_tail(&($2)->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ ;
+
+field_class_declarator_list:
+ field_class_declarator
+ { $$ = $1; }
+ | field_class_declarator_list CTF_COMMA field_class_declarator
+ {
+ $$ = $1;
+ bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+integer_field_class_specifier:
+ CTF_CHAR
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_CHAR;
+ }
+ | CTF_SHORT
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_SHORT;
+ }
+ | CTF_INT
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_INT;
+ }
+ | CTF_LONG
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_LONG;
+ }
+ | CTF_SIGNED
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_SIGNED;
+ }
+ | CTF_UNSIGNED
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_UNSIGNED;
+ }
+ | CTF_BOOL
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_BOOL;
+ }
+ | ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_ID_TYPE;
+ $$->u.field_class_specifier.id_type = yylval.s;
+ }
+ | CTF_INTEGER CTF_LBRAC CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_INTEGER;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_INTEGER);
+ }
+ | CTF_INTEGER CTF_LBRAC ctf_assignment_expression_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_INTEGER;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_INTEGER);
+ if (set_parent_node($3, $$->u.field_class_specifier.node))
+ reparent_error(scanner, "integer reparent error");
+ }
+ ;
+
+field_class_specifier:
+ CTF_VOID
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_VOID;
+ }
+ | CTF_CHAR
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_CHAR;
+ }
+ | CTF_SHORT
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_SHORT;
+ }
+ | CTF_INT
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_INT;
+ }
+ | CTF_LONG
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_LONG;
+ }
+ | CTF_FLOAT
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_FLOAT;
+ }
+ | CTF_DOUBLE
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_DOUBLE;
+ }
+ | CTF_SIGNED
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_SIGNED;
+ }
+ | CTF_UNSIGNED
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_UNSIGNED;
+ }
+ | CTF_BOOL
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_BOOL;
+ }
+ | CTF_COMPLEX
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_COMPLEX;
+ }
+ | CTF_IMAGINARY
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_IMAGINARY;
+ }
+ | ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_ID_TYPE;
+ $$->u.field_class_specifier.id_type = yylval.s;
+ }
+ | CTF_FLOATING_POINT CTF_LBRAC CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_FLOATING_POINT;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
+ }
+ | CTF_FLOATING_POINT CTF_LBRAC ctf_assignment_expression_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_FLOATING_POINT;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
+ if (set_parent_node($3, $$->u.field_class_specifier.node))
+ reparent_error(scanner, "floating point reparent error");
+ }
+ | CTF_INTEGER CTF_LBRAC CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_INTEGER;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_INTEGER);
+ }
+ | CTF_INTEGER CTF_LBRAC ctf_assignment_expression_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_INTEGER;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_INTEGER);
+ if (set_parent_node($3, $$->u.field_class_specifier.node))
+ reparent_error(scanner, "integer reparent error");
+ }
+ | CTF_STRING
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_STRING;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_STRING);
+ }
+ | CTF_STRING CTF_LBRAC CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_STRING;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_STRING);
+ }
+ | CTF_STRING CTF_LBRAC ctf_assignment_expression_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_STRING;
+ $$->u.field_class_specifier.node = make_node(scanner, NODE_STRING);
+ if (set_parent_node($3, $$->u.field_class_specifier.node))
+ reparent_error(scanner, "string reparent error");
+ }
+ | CTF_ENUM enum_field_class_specifier
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_ENUM;
+ $$->u.field_class_specifier.node = $2;
+ }
+ | CTF_VARIANT variant_field_class_specifier
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_VARIANT;
+ $$->u.field_class_specifier.node = $2;
+ }
+ | CTF_STRUCT struct_class_specifier
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->u.field_class_specifier.type = TYPESPEC_STRUCT;
+ $$->u.field_class_specifier.node = $2;
+ }
+ ;
+
+struct_class_specifier:
+ struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 1;
+ if ($2 && set_parent_node($2, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
+ | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 1;
+ $$->u._struct.name = $1;
+ if ($3 && set_parent_node($3, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
+ | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 1;
+ $$->u._struct.name = $1;
+ if ($3 && set_parent_node($3, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
+ | IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 0;
+ $$->u._struct.name = $1;
+ }
+ | ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 0;
+ $$->u._struct.name = $1;
+ }
+ | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end CTF_TOK_ALIGN CTF_LPAREN unary_expression CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 1;
+ bt_list_add_tail(&($6)->siblings, &$$->u._struct.min_align);
+ if ($2 && set_parent_node($2, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
+ | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end CTF_TOK_ALIGN CTF_LPAREN unary_expression CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 1;
+ $$->u._struct.name = $1;
+ bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
+ if ($3 && set_parent_node($3, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
+ | ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end CTF_TOK_ALIGN CTF_LPAREN unary_expression CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_STRUCT);
+ $$->u._struct.has_body = 1;
+ $$->u._struct.name = $1;
+ bt_list_add_tail(&($7)->siblings, &$$->u._struct.min_align);
+ if ($3 && set_parent_node($3, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
+ ;
+
+struct_declaration_begin:
+ CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+struct_declaration_end:
+ CTF_RBRAC
+ { pop_scope(scanner); }
+ ;
+
+variant_field_class_specifier:
+ variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ if ($2 && set_parent_node($2, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | CTF_LT IDENTIFIER CTF_GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.choice = $2;
+ if ($5 && set_parent_node($5, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | CTF_LT ID_TYPE CTF_GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.choice = $2;
+ if ($5 && set_parent_node($5, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.name = $1;
+ if ($3 && set_parent_node($3, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | IDENTIFIER CTF_LT IDENTIFIER CTF_GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ if ($6 && set_parent_node($6, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | IDENTIFIER CTF_LT IDENTIFIER CTF_GT
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 0;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ }
+ | IDENTIFIER CTF_LT ID_TYPE CTF_GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ if ($6 && set_parent_node($6, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | IDENTIFIER CTF_LT ID_TYPE CTF_GT
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 0;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ }
+ | ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.name = $1;
+ if ($3 && set_parent_node($3, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | ID_TYPE CTF_LT IDENTIFIER CTF_GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ if ($6 && set_parent_node($6, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | ID_TYPE CTF_LT IDENTIFIER CTF_GT
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 0;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ }
+ | ID_TYPE CTF_LT ID_TYPE CTF_GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 1;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ if ($6 && set_parent_node($6, $$))
+ reparent_error(scanner, "variant reparent error");
+ }
+ | ID_TYPE CTF_LT ID_TYPE CTF_GT
+ {
+ $$ = make_node(scanner, NODE_VARIANT);
+ $$->u.variant.has_body = 0;
+ $$->u.variant.name = $1;
+ $$->u.variant.choice = $3;
+ }
+ ;
+
+variant_declaration_begin:
+ CTF_LBRAC
+ { push_scope(scanner); }
+ ;
+
+variant_declaration_end:
+ CTF_RBRAC
+ { pop_scope(scanner); }
+ ;
+
+enum_field_class_specifier:
+ CTF_LBRAC enumerator_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | CTF_COLON integer_declaration_specifiers CTF_LBRAC enumerator_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ ($$)->u._enum.container_field_class = $2;
+ _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | IDENTIFIER CTF_LBRAC enumerator_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | IDENTIFIER CTF_COLON integer_declaration_specifiers CTF_LBRAC enumerator_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ ($$)->u._enum.container_field_class = $3;
+ _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | ID_TYPE CTF_LBRAC enumerator_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | ID_TYPE CTF_COLON integer_declaration_specifiers CTF_LBRAC enumerator_list CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ ($$)->u._enum.container_field_class = $3;
+ _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | CTF_LBRAC enumerator_list CTF_COMMA CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | CTF_COLON integer_declaration_specifiers CTF_LBRAC enumerator_list CTF_COMMA CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ ($$)->u._enum.container_field_class = $2;
+ _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | IDENTIFIER CTF_LBRAC enumerator_list CTF_COMMA CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | IDENTIFIER CTF_COLON integer_declaration_specifiers CTF_LBRAC enumerator_list CTF_COMMA CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ ($$)->u._enum.container_field_class = $3;
+ _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 0;
+ $$->u._enum.enum_id = $1;
+ }
+ | ID_TYPE CTF_LBRAC enumerator_list CTF_COMMA CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | ID_TYPE CTF_COLON integer_declaration_specifiers CTF_LBRAC enumerator_list CTF_COMMA CTF_RBRAC
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 1;
+ $$->u._enum.enum_id = $1;
+ ($$)->u._enum.container_field_class = $3;
+ _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
+ }
+ | ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 0;
+ $$->u._enum.enum_id = $1;
+ }
+ ;
+
+struct_or_variant_declaration_list:
+ /* empty */
+ { $$ = NULL; }
+ | struct_or_variant_declaration_list struct_or_variant_declaration
+ {
+ if ($1) {
+ $$ = $1;
+ bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
+ } else {
+ $$ = $2;
+ bt_list_add_tail(&($$)->siblings, &($$)->tmp_head);
+ }
+ }
+ ;
+
+struct_or_variant_declaration:
+ declaration_specifiers struct_or_variant_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
+ ($$)->u.struct_or_variant_declaration.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.field_class_declarators);
+ }
+ | declaration_specifiers CTF_TYPEDEF declaration_specifiers field_class_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_def.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($4)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | CTF_TYPEDEF declaration_specifiers field_class_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_def.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | declaration_specifiers CTF_TYPEDEF field_class_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ ($$)->u.struct_or_variant_declaration.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | CTF_TYPEALIAS declaration_specifiers abstract_declarator_list CTF_TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list CTF_SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEALIAS);
+ $$->u.field_class_alias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
+ $$->u.field_class_alias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_alias.target->u.field_class_alias_target.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_alias.target->u.field_class_alias_target.field_class_declarators);
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_alias.alias->u.field_class_alias_name.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($5)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.field_class_alias.alias->u.field_class_alias_name.field_class_declarators);
+ }
+ ;
+
+alias_declaration_specifiers:
+ CTF_CONST
+ {
+ struct ctf_node *node;
+
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_CONST;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | field_class_specifier
+ {
+ struct ctf_node *node;
+
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = $1;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | IDENTIFIER
+ {
+ struct ctf_node *node;
+
+ add_type(scanner, $1);
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_ID_TYPE;
+ node->u.field_class_specifier.id_type = yylval.s;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | alias_declaration_specifiers CTF_CONST
+ {
+ struct ctf_node *node;
+
+ $$ = $1;
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_CONST;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | alias_declaration_specifiers field_class_specifier
+ {
+ $$ = $1;
+ bt_list_add_tail(&($2)->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ | alias_declaration_specifiers IDENTIFIER
+ {
+ struct ctf_node *node;
+
+ add_type(scanner, $2);
+ $$ = $1;
+ node = make_node(scanner, NODE_TYPE_SPECIFIER);
+ node->u.field_class_specifier.type = TYPESPEC_ID_TYPE;
+ node->u.field_class_specifier.id_type = yylval.s;
+ bt_list_add_tail(&node->siblings, &($$)->u.field_class_specifier_list.head);
+ }
+ ;
+
+struct_or_variant_declarator_list:
+ struct_or_variant_declarator
+ { $$ = $1; }
+ | struct_or_variant_declarator_list CTF_COMMA struct_or_variant_declarator
+ {
+ $$ = $1;
+ bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+struct_or_variant_declarator:
+ declarator
+ { $$ = $1; }
+ | CTF_COLON unary_expression
+ { $$ = $2; }
+ | declarator CTF_COLON unary_expression
+ {
+ $$ = $1;
+ if (set_parent_node($3, $1))
+ reparent_error(scanner, "struct_or_variant_declarator");
+ }
+ ;
+
+enumerator_list:
+ enumerator
+ { $$ = $1; }
+ | enumerator_list CTF_COMMA enumerator
+ {
+ $$ = $1;
+ bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+enumerator:
+ IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ }
+ | ID_TYPE
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ }
+ | keywords
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ }
+ | CTF_STRING_LITERAL
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ }
+ | IDENTIFIER CTF_EQUAL unary_expression_or_range
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
+ }
+ | ID_TYPE CTF_EQUAL unary_expression_or_range
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
+ }
+ | keywords CTF_EQUAL unary_expression_or_range
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
+ }
+ | CTF_STRING_LITERAL CTF_EQUAL unary_expression_or_range
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->u.enumerator.id = $1;
+ bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
+ }
+ ;
+
+abstract_declarator_list:
+ abstract_declarator
+ { $$ = $1; }
+ | abstract_declarator_list CTF_COMMA abstract_declarator
+ {
+ $$ = $1;
+ bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+abstract_declarator:
+ direct_abstract_declarator
+ { $$ = $1; }
+ | pointer direct_abstract_declarator
+ {
+ $$ = $2;
+ bt_list_splice(&($1)->tmp_head, &($$)->u.field_class_declarator.pointers);
+ }
+ ;
+
+direct_abstract_declarator:
+ /* empty */
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_ID;
+ /* id is NULL */
+ }
+ | IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_ID;
+ $$->u.field_class_declarator.u.id = $1;
+ }
+ | CTF_LPAREN abstract_declarator CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $2;
+ }
+ | direct_abstract_declarator CTF_LSBRAC unary_expression CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $1;
+ BT_INIT_LIST_HEAD(&($$)->u.field_class_declarator.u.nested.length);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_declarator.u.nested.length);
+ }
+ | direct_abstract_declarator CTF_LSBRAC CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $1;
+ $$->u.field_class_declarator.u.nested.abstract_array = 1;
+ }
+ ;
+
+alias_abstract_declarator_list:
+ alias_abstract_declarator
+ { $$ = $1; }
+ | alias_abstract_declarator_list CTF_COMMA alias_abstract_declarator
+ {
+ $$ = $1;
+ bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+alias_abstract_declarator:
+ direct_alias_abstract_declarator
+ { $$ = $1; }
+ | pointer direct_alias_abstract_declarator
+ {
+ $$ = $2;
+ bt_list_splice(&($1)->tmp_head, &($$)->u.field_class_declarator.pointers);
+ }
+ ;
+
+direct_alias_abstract_declarator:
+ /* empty */
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_ID;
+ /* id is NULL */
+ }
+ | CTF_LPAREN alias_abstract_declarator CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $2;
+ }
+ | direct_alias_abstract_declarator CTF_LSBRAC unary_expression CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $1;
+ BT_INIT_LIST_HEAD(&($$)->u.field_class_declarator.u.nested.length);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_declarator.u.nested.length);
+ }
+ | direct_alias_abstract_declarator CTF_LSBRAC CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $1;
+ $$->u.field_class_declarator.u.nested.abstract_array = 1;
+ }
+ ;
+
+declarator:
+ direct_declarator
+ { $$ = $1; }
+ | pointer direct_declarator
+ {
+ $$ = $2;
+ bt_list_splice(&($1)->tmp_head, &($$)->u.field_class_declarator.pointers);
+ }
+ ;
+
+direct_declarator:
+ IDENTIFIER
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_ID;
+ $$->u.field_class_declarator.u.id = $1;
+ }
+ | CTF_LPAREN declarator CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $2;
+ }
+ | direct_declarator CTF_LSBRAC unary_expression CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $1;
+ BT_INIT_LIST_HEAD(&($$)->u.field_class_declarator.u.nested.length);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_declarator.u.nested.length);
+ }
+ ;
+
+field_class_declarator:
+ direct_field_class_declarator
+ { $$ = $1; }
+ | pointer direct_field_class_declarator
+ {
+ $$ = $2;
+ bt_list_splice(&($1)->tmp_head, &($$)->u.field_class_declarator.pointers);
+ }
+ ;
+
+direct_field_class_declarator:
+ IDENTIFIER
+ {
+ add_type(scanner, $1);
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_ID;
+ $$->u.field_class_declarator.u.id = $1;
+ }
+ | CTF_LPAREN field_class_declarator CTF_RPAREN
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $2;
+ }
+ | direct_field_class_declarator CTF_LSBRAC unary_expression CTF_RSBRAC
+ {
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.field_class_declarator.type = TYPEDEC_NESTED;
+ $$->u.field_class_declarator.u.nested.field_class_declarator = $1;
+ BT_INIT_LIST_HEAD(&($$)->u.field_class_declarator.u.nested.length);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_declarator.u.nested.length);
+ }
+ ;
+
+pointer:
+ CTF_STAR
+ {
+ $$ = make_node(scanner, NODE_POINTER);
+ }
+ | CTF_STAR pointer
+ {
+ $$ = make_node(scanner, NODE_POINTER);
+ bt_list_splice(&($2)->tmp_head, &($$)->tmp_head);
+ }
+ | CTF_STAR type_qualifier_list pointer
+ {
+ $$ = make_node(scanner, NODE_POINTER);
+ $$->u.pointer.const_qualifier = 1;
+ bt_list_splice(&($3)->tmp_head, &($$)->tmp_head);
+ }
+ ;
+
+type_qualifier_list:
+ /* pointer assumes only const type qualifier */
+ CTF_CONST
+ | type_qualifier_list CTF_CONST
+ ;
+
+/* 2.3: CTF-specific declarations */
+
+ctf_assignment_expression_list:
+ ctf_assignment_expression CTF_SEMICOLON
+ { $$ = $1; }
+ | ctf_assignment_expression_list ctf_assignment_expression CTF_SEMICOLON
+ {
+ $$ = $1;
+ bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
+ }
+ ;
+
+ctf_assignment_expression:
+ unary_expression CTF_EQUAL unary_expression
+ {
+ /*
+ * Because we have left and right, cannot use
+ * set_parent_node.
+ */
+ $$ = make_node(scanner, NODE_CTF_EXPRESSION);
+ _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
+ if ($1->u.unary_expression.type != UNARY_STRING)
+ reparent_error(scanner, "ctf_assignment_expression left expects string");
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
+ }
+ | unary_expression CTF_TYPEASSIGN declaration_specifiers /* Only allow struct */
+ {
+ /*
+ * Because we have left and right, cannot use
+ * set_parent_node.
+ */
+ $$ = make_node(scanner, NODE_CTF_EXPRESSION);
+ _bt_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
+ if ($1->u.unary_expression.type != UNARY_STRING)
+ reparent_error(scanner, "ctf_assignment_expression left expects string");
+ bt_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
+ }
+ | declaration_specifiers CTF_TYPEDEF declaration_specifiers field_class_declarator_list
+ {
+ struct ctf_node *list;
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ ($$)->u.struct_or_variant_declaration.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($4)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | CTF_TYPEDEF declaration_specifiers field_class_declarator_list
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_def.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | declaration_specifiers CTF_TYPEDEF field_class_declarator_list
+ {
+ struct ctf_node *list;
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ _bt_list_splice_tail(&($1)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ $$ = make_node(scanner, NODE_TYPEDEF);
+ ($$)->u.struct_or_variant_declaration.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_def.field_class_declarators);
+ }
+ | CTF_TYPEALIAS declaration_specifiers abstract_declarator_list CTF_TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
+ {
+ struct ctf_node *list;
+
+ $$ = make_node(scanner, NODE_TYPEALIAS);
+ $$->u.field_class_alias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
+ $$->u.field_class_alias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_alias.target->u.field_class_alias_target.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($2)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.field_class_alias.target->u.field_class_alias_target.field_class_declarators);
+
+ list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+ $$->u.field_class_alias.alias->u.field_class_alias_name.field_class_specifier_list = list;
+ _bt_list_splice_tail(&($5)->u.field_class_specifier_list.head, &list->u.field_class_specifier_list.head);
+ _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.field_class_alias.alias->u.field_class_alias_name.field_class_declarators);
+ }
+ ;
projects / babeltrace.git / blobdiff