+++ /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"
-
-/*
- * Avoid warning about "yynerrs" being unused, seen with bison 3.5.1 + clang 15
- * on Ubuntu 20.04.
- */
-BT_DIAG_IGNORE_UNUSED_BUT_SET_VARIABLE
-
-/* 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;
- }
-}
-
-int yylex(union YYSTYPE *yyval, yyscan_t yyscanner);
-int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
-int yylex_destroy(yyscan_t yyscanner);
-void yyrestart(FILE * in_str, yyscan_t yyscanner);
-int yyget_lineno(yyscan_t yyscanner);
-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,
-};
-
-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;
-}
-
-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 {
- void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src);
-
- 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