+++ /dev/null
-%{
-/*
- * ctf-parser.y
- *
- * Common Trace Format Metadata Grammar.
- *
- * Copyright 2010 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#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 <babeltrace/list.h>
-#include <babeltrace/babeltrace-internal.h>
-#include "ctf-scanner.h"
-#include "ctf-parser.h"
-#include "ctf-ast.h"
-#include "objstack.h"
-
-BT_HIDDEN
-int yydebug;
-
-/* 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 yyparse(struct ctf_scanner *scanner, yyscan_t yyscanner);
-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 const char *node_type_to_str[] = {
-#define ENTRY(S) [S] = #S,
- FOREACH_CTF_NODES(ENTRY)
-#undef ENTRY
-};
-
-/*
- * 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 = {
- .type = NODE_ERROR,
-};
-
-BT_HIDDEN
-const char *node_type(struct ctf_node *node)
-{
- if (node->type < NR_NODE_TYPES)
- return node_type_to_str[node->type];
- else
- return NULL;
-}
-
-void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
-{
- lvalp->s = 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;
- }
- }
- assert(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 = objstack_alloc(scanner->objstack, len);
- if (src[0] == 'L') {
- // TODO: import wide string
- printfl_error(yyget_lineno(scanner),
- "Wide string not supported yet.");
- 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->types = 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->types);
-}
-
-static void push_scope(struct ctf_scanner *scanner)
-{
- struct ctf_scanner_scope *ns;
-
- printf_debug("push scope\n");
- ns = 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;
-
- printf_debug("pop scope\n");
- 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->types, id));
- printf_debug("lookup %p %s %d\n", 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 != NULL; it = it->parent) {
- if (lookup_type(it, id)) {
- ret = 1;
- break;
- }
- }
- printf_debug("is type %s %d\n", id, ret);
- return ret;
-}
-
-static void add_type(struct ctf_scanner *scanner, char *id)
-{
- printf_debug("add type %s\n", id);
- if (lookup_type(scanner->cs, id))
- return;
- g_hash_table_insert(scanner->cs->types, id, id);
-}
-
-static struct ctf_node *make_node(struct ctf_scanner *scanner,
- enum node_type type)
-{
- struct ctf_node *node;
-
- node = objstack_alloc(scanner->objstack, sizeof(*node));
- if (!node) {
- printfl_fatal(yyget_lineno(scanner->scanner), "out of memory");
- 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;
- printfn_fatal(node, "trying to create root node");
- 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._typedef.type_declarators);
- break;
- case NODE_TYPEALIAS_TARGET:
- BT_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
- break;
- case NODE_TYPEALIAS_ALIAS:
- BT_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
- break;
- case NODE_TYPEALIAS:
- break;
-
- case NODE_TYPE_SPECIFIER:
- break;
- case NODE_TYPE_SPECIFIER_LIST:
- BT_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
- break;
- case NODE_POINTER:
- break;
- case NODE_TYPE_DECLARATOR:
- BT_INIT_LIST_HEAD(&node->u.type_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.type_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;
- printfn_fatal(node, "unknown node type '%d'", (int) 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:
- printfn_fatal(node, "unknown node type '%d'", (int) 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:
- printfn_fatal(node, "unknown node type %d", parent->type);
- return -EINVAL;
- }
- return 0;
-}
-
-static int reparent_typealias(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:
- printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
- return -EINVAL;
- }
- return 0;
-}
-
-static int reparent_type_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.type_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:
- printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
- return -EINVAL;
- }
- return 0;
-}
-
-static int reparent_type_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._typedef.type_specifier_list = node;
- break;
- case NODE_TYPEALIAS_TARGET:
- parent->u.typealias_target.type_specifier_list = node;
- break;
- case NODE_TYPEALIAS_ALIAS:
- parent->u.typealias_alias.type_specifier_list = node;
- break;
- case NODE_ENUM:
- parent->u._enum.container_type = node;
- break;
- case NODE_STRUCT_OR_VARIANT_DECLARATION:
- parent->u.struct_or_variant_declaration.type_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:
- printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
- return -EINVAL;
- }
- return 0;
-}
-
-static int reparent_type_declarator(struct ctf_node *node,
- struct ctf_node *parent)
-{
- switch (parent->type) {
- case NODE_TYPE_DECLARATOR:
- parent->u.type_declarator.type = TYPEDEC_NESTED;
- parent->u.type_declarator.u.nested.type_declarator = node;
- break;
- case NODE_STRUCT_OR_VARIANT_DECLARATION:
- _bt_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.type_declarators);
- break;
- case NODE_TYPEDEF:
- _bt_list_splice_tail(&node->tmp_head, &parent->u._typedef.type_declarators);
- break;
- case NODE_TYPEALIAS_TARGET:
- _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.type_declarators);
- break;
- case NODE_TYPEALIAS_ALIAS:
- _bt_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.type_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:
- printfn_fatal(node, "unknown node type '%d'", (int) 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:
- printfn_fatal(node, "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.type_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.typealias.target = node;
- else
- return -EINVAL;
- case NODE_TYPEALIAS_ALIAS:
- if (parent->type == NODE_TYPEALIAS)
- parent->u.typealias.alias = node;
- else
- return -EINVAL;
- case NODE_TYPEALIAS:
- return reparent_typealias(node, parent);
-
- case NODE_POINTER:
- if (parent->type == NODE_TYPE_DECLARATOR) {
- _bt_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.pointers);
- } else
- return -EPERM;
- break;
- case NODE_TYPE_DECLARATOR:
- return reparent_type_declarator(node, parent);
-
- case NODE_TYPE_SPECIFIER_LIST:
- return reparent_type_specifier_list(node, parent);
-
- case NODE_TYPE_SPECIFIER:
- return reparent_type_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:
- printfn_fatal(node, "unknown node type '%d'", (int) parent->type);
- return -EINVAL;
- }
- return 0;
-}
-
-BT_HIDDEN
-void yyerror(struct ctf_scanner *scanner, yyscan_t yyscanner, const char *str)
-{
- printfl_error(yyget_lineno(scanner->scanner),
- "token \"%s\": %s\n",
- yyget_text(scanner->scanner), str);
-}
-
-BT_HIDDEN
-int yywrap(void)
-{
- return 1;
-}
-
-#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 = 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);
- if (yydebug)
- fprintf(stdout, "Scanner input is a%s.\n",
- isatty(fileno(input)) ? "n interactive tty" :
- " noninteractive file");
- return yyparse(scanner, scanner->scanner);
-}
-
-struct ctf_scanner *ctf_scanner_alloc(void)
-{
- struct ctf_scanner *scanner;
- int ret;
-
- yydebug = babeltrace_debug;
-
- scanner = malloc(sizeof(*scanner));
- if (!scanner)
- return NULL;
- memset(scanner, 0, sizeof(*scanner));
- ret = yylex_init_extra(scanner, &scanner->scanner);
- if (ret) {
- printf_fatal("yylex_init error");
- 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)
- printf_fatal("yylex_destroy error");
-cleanup_scanner:
- free(scanner);
- return NULL;
-}
-
-void ctf_scanner_free(struct ctf_scanner *scanner)
-{
- int ret;
-
- if (!scanner)
- return;
- finalize_scope(&scanner->root_scope);
- objstack_destroy(scanner->objstack);
- ret = yylex_destroy(scanner->scanner);
- if (ret)
- printf_error("yylex_destroy error");
- free(scanner);
-}
-
-%}
-
-%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 INTEGER_LITERAL STRING_LITERAL CHARACTER_LITERAL LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM ENV EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE CALLSITE CLOCK TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY TOK_ALIGN
-%token <s> IDENTIFIER ID_TYPE
-%token ERROR
-%union
-{
- long long ll;
- unsigned long long ull;
- char c;
- char *s;
- struct ctf_node *n;
-}
-
-%type <s> STRING_LITERAL CHARACTER_LITERAL
-
-%type <s> keywords
-
-%type <ull> 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> type_declarator_list
-%type <n> integer_type_specifier
-%type <n> type_specifier
-%type <n> struct_type_specifier
-%type <n> variant_type_specifier
-%type <n> enum_type_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> type_declarator
-%type <n> direct_type_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:
- VOID
- { $$ = yylval.s; }
- | CHAR
- { $$ = yylval.s; }
- | SHORT
- { $$ = yylval.s; }
- | INT
- { $$ = yylval.s; }
- | LONG
- { $$ = yylval.s; }
- | FLOAT
- { $$ = yylval.s; }
- | DOUBLE
- { $$ = yylval.s; }
- | SIGNED
- { $$ = yylval.s; }
- | UNSIGNED
- { $$ = yylval.s; }
- | _BOOL
- { $$ = yylval.s; }
- | _COMPLEX
- { $$ = yylval.s; }
- | _IMAGINARY
- { $$ = yylval.s; }
- | FLOATING_POINT
- { $$ = yylval.s; }
- | INTEGER
- { $$ = yylval.s; }
- | STRING
- { $$ = yylval.s; }
- | ENUM
- { $$ = yylval.s; }
- | VARIANT
- { $$ = yylval.s; }
- | STRUCT
- { $$ = yylval.s; }
- | CONST
- { $$ = yylval.s; }
- | TYPEDEF
- { $$ = yylval.s; }
- | EVENT
- { $$ = yylval.s; }
- | STREAM
- { $$ = yylval.s; }
- | ENV
- { $$ = yylval.s; }
- | TRACE
- { $$ = yylval.s; }
- | CLOCK
- { $$ = yylval.s; }
- | CALLSITE
- { $$ = yylval.s; }
- | 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;
- }
- | INTEGER_LITERAL
- {
- $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
- $$->u.unary_expression.type = UNARY_UNSIGNED_CONSTANT;
- $$->u.unary_expression.u.unsigned_constant = $1;
- }
- | STRING_LITERAL
- {
- $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
- $$->u.unary_expression.type = UNARY_STRING;
- $$->u.unary_expression.u.string = $1;
- }
- | CHARACTER_LITERAL
- {
- $$ = make_node(scanner, NODE_UNARY_EXPRESSION);
- $$->u.unary_expression.type = UNARY_STRING;
- $$->u.unary_expression.u.string = $1;
- }
- | LPAREN unary_expression RPAREN
- {
- $$ = $2;
- }
- | postfix_expression LSBRAC unary_expression 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 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, &($$)->tmp_head);
- }
- | postfix_expression DOT ID_TYPE
- {
- $$ = 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 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, &($$)->tmp_head);
- }
- | postfix_expression RARROW IDENTIFIER
- {
- $$ = 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 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; }
- | PLUS postfix_expression
- {
- $$ = $2;
- if ($$->u.unary_expression.type != UNARY_UNSIGNED_CONSTANT
- && $$->u.unary_expression.type != UNARY_SIGNED_CONSTANT) {
- reparent_error(scanner, "expecting numeric constant");
- }
- }
- | MINUS postfix_expression
- {
- $$ = $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 ($$->u.unary_expression.type == UNARY_UNSIGNED_CONSTANT) {
- $$->u.unary_expression.u.signed_constant =
- -($$->u.unary_expression.u.signed_constant);
- } else {
- reparent_error(scanner, "expecting numeric constant");
- }
- }
- ;
-
-unary_expression_or_range:
- unary_expression DOTDOTDOT unary_expression
- {
- $$ = $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 SEMICOLON
- { $$ = $1; }
- | event_declaration
- { $$ = $1; }
- | stream_declaration
- { $$ = $1; }
- | env_declaration
- { $$ = $1; }
- | trace_declaration
- { $$ = $1; }
- | clock_declaration
- { $$ = $1; }
- | callsite_declaration
- { $$ = $1; }
- | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEDEF);
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u._typedef.type_specifier_list = list;
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEDEF);
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u._typedef.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEDEF);
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u._typedef.type_specifier_list = list;
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEALIAS);
- $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
- $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
- _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
- }
- ;
-
-event_declaration:
- event_declaration_begin event_declaration_end
- {
- $$ = 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:
- EVENT LBRAC
- { push_scope(scanner); }
- ;
-
-event_declaration_end:
- RBRAC 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, $$))
- reparent_error(scanner, "stream_declaration");
- }
- ;
-
-stream_declaration_begin:
- STREAM LBRAC
- { push_scope(scanner); }
- ;
-
-stream_declaration_end:
- RBRAC SEMICOLON
- { pop_scope(scanner); }
- ;
-
-env_declaration:
- env_declaration_begin env_declaration_end
- {
- $$ = 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:
- ENV LBRAC
- { push_scope(scanner); }
- ;
-
-env_declaration_end:
- RBRAC 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, $$))
- reparent_error(scanner, "trace_declaration");
- }
- ;
-
-trace_declaration_begin:
- TRACE LBRAC
- { push_scope(scanner); }
- ;
-
-trace_declaration_end:
- RBRAC SEMICOLON
- { pop_scope(scanner); }
- ;
-
-clock_declaration:
- CLOCK clock_declaration_begin clock_declaration_end
- {
- $$ = make_node(scanner, NODE_CLOCK);
- }
- | 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:
- LBRAC
- { push_scope(scanner); }
- ;
-
-clock_declaration_end:
- RBRAC SEMICOLON
- { pop_scope(scanner); }
- ;
-
-callsite_declaration:
- CALLSITE callsite_declaration_begin callsite_declaration_end
- {
- $$ = make_node(scanner, NODE_CALLSITE);
- }
- | CALLSITE callsite_declaration_begin ctf_assignment_expression_list callsite_declaration_end
- {
- $$ = make_node(scanner, NODE_CALLSITE);
- if (set_parent_node($3, $$))
- reparent_error(scanner, "trace_declaration");
- }
- ;
-
-callsite_declaration_begin:
- LBRAC
- { push_scope(scanner); }
- ;
-
-callsite_declaration_end:
- RBRAC SEMICOLON
- { pop_scope(scanner); }
- ;
-
-integer_declaration_specifiers:
- CONST
- {
- struct ctf_node *node;
-
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_CONST;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | integer_type_specifier
- {
- struct ctf_node *node;
-
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = $1;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | integer_declaration_specifiers CONST
- {
- struct ctf_node *node;
-
- $$ = $1;
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_CONST;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | integer_declaration_specifiers integer_type_specifier
- {
- $$ = $1;
- bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
- }
- ;
-
-declaration_specifiers:
- CONST
- {
- struct ctf_node *node;
-
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_CONST;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | type_specifier
- {
- struct ctf_node *node;
-
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = $1;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | declaration_specifiers CONST
- {
- struct ctf_node *node;
-
- $$ = $1;
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_CONST;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | declaration_specifiers type_specifier
- {
- $$ = $1;
- bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
- }
- ;
-
-type_declarator_list:
- type_declarator
- { $$ = $1; }
- | type_declarator_list COMMA type_declarator
- {
- $$ = $1;
- bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
- }
- ;
-
-integer_type_specifier:
- CHAR
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_CHAR;
- }
- | SHORT
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_SHORT;
- }
- | INT
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_INT;
- }
- | LONG
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_LONG;
- }
- | SIGNED
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_SIGNED;
- }
- | UNSIGNED
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
- }
- | _BOOL
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_BOOL;
- }
- | ID_TYPE
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
- $$->u.type_specifier.id_type = yylval.s;
- }
- | INTEGER LBRAC RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_INTEGER;
- $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
- }
- | INTEGER LBRAC ctf_assignment_expression_list RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_INTEGER;
- $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
- if (set_parent_node($3, $$->u.type_specifier.node))
- reparent_error(scanner, "integer reparent error");
- }
- ;
-
-type_specifier:
- VOID
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_VOID;
- }
- | CHAR
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_CHAR;
- }
- | SHORT
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_SHORT;
- }
- | INT
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_INT;
- }
- | LONG
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_LONG;
- }
- | FLOAT
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_FLOAT;
- }
- | DOUBLE
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_DOUBLE;
- }
- | SIGNED
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_SIGNED;
- }
- | UNSIGNED
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_UNSIGNED;
- }
- | _BOOL
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_BOOL;
- }
- | _COMPLEX
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_COMPLEX;
- }
- | _IMAGINARY
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_IMAGINARY;
- }
- | ID_TYPE
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_ID_TYPE;
- $$->u.type_specifier.id_type = yylval.s;
- }
- | FLOATING_POINT LBRAC RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
- $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
- }
- | FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
- $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
- if (set_parent_node($3, $$->u.type_specifier.node))
- reparent_error(scanner, "floating point reparent error");
- }
- | INTEGER LBRAC RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_INTEGER;
- $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
- }
- | INTEGER LBRAC ctf_assignment_expression_list RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_INTEGER;
- $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
- if (set_parent_node($3, $$->u.type_specifier.node))
- reparent_error(scanner, "integer reparent error");
- }
- | STRING
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_STRING;
- $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
- }
- | STRING LBRAC RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_STRING;
- $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
- }
- | STRING LBRAC ctf_assignment_expression_list RBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_STRING;
- $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
- if (set_parent_node($3, $$->u.type_specifier.node))
- reparent_error(scanner, "string reparent error");
- }
- | ENUM enum_type_specifier
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_ENUM;
- $$->u.type_specifier.node = $2;
- }
- | VARIANT variant_type_specifier
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_VARIANT;
- $$->u.type_specifier.node = $2;
- }
- | STRUCT struct_type_specifier
- {
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
- $$->u.type_specifier.type = TYPESPEC_STRUCT;
- $$->u.type_specifier.node = $2;
- }
- ;
-
-struct_type_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;
- $$->u._struct.name = $1;
- }
- | struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
- {
- $$ = 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, $$))
- reparent_error(scanner, "struct reparent error");
- }
- | IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end TOK_ALIGN LPAREN unary_expression RPAREN
- {
- $$ = 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 TOK_ALIGN LPAREN unary_expression 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, $$))
- reparent_error(scanner, "struct reparent error");
- }
- ;
-
-struct_declaration_begin:
- LBRAC
- { push_scope(scanner); }
- ;
-
-struct_declaration_end:
- RBRAC
- { pop_scope(scanner); }
- ;
-
-variant_type_specifier:
- variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
- {
- $$ = make_node(scanner, NODE_VARIANT);
- $$->u.variant.has_body = 1;
- if ($2 && set_parent_node($2, $$))
- reparent_error(scanner, "variant reparent error");
- }
- | LT IDENTIFIER 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");
- }
- | LT ID_TYPE 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 LT IDENTIFIER 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, $$))
- reparent_error(scanner, "variant reparent error");
- }
- | IDENTIFIER LT IDENTIFIER GT
- {
- $$ = make_node(scanner, NODE_VARIANT);
- $$->u.variant.has_body = 0;
- $$->u.variant.name = $1;
- $$->u.variant.choice = $3;
- }
- | IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
- {
- $$ = 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 LT ID_TYPE 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 LT IDENTIFIER 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, $$))
- reparent_error(scanner, "variant reparent error");
- }
- | ID_TYPE LT IDENTIFIER GT
- {
- $$ = make_node(scanner, NODE_VARIANT);
- $$->u.variant.has_body = 0;
- $$->u.variant.name = $1;
- $$->u.variant.choice = $3;
- }
- | ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
- {
- $$ = 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 LT ID_TYPE GT
- {
- $$ = make_node(scanner, NODE_VARIANT);
- $$->u.variant.has_body = 0;
- $$->u.variant.name = $1;
- $$->u.variant.choice = $3;
- }
- ;
-
-variant_declaration_begin:
- LBRAC
- { push_scope(scanner); }
- ;
-
-variant_declaration_end:
- RBRAC
- { pop_scope(scanner); }
- ;
-
-enum_type_specifier:
- LBRAC enumerator_list RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- ($$)->u._enum.container_type = $2;
- _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | IDENTIFIER LBRAC enumerator_list RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- $$->u._enum.enum_id = $1;
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | IDENTIFIER COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- $$->u._enum.enum_id = $1;
- ($$)->u._enum.container_type = $3;
- _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | ID_TYPE LBRAC enumerator_list 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 COLON integer_declaration_specifiers LBRAC enumerator_list RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- $$->u._enum.enum_id = $1;
- ($$)->u._enum.container_type = $3;
- _bt_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | LBRAC enumerator_list COMMA RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- _bt_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- ($$)->u._enum.container_type = $2;
- _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._enum.enumerator_list);
- }
- | IDENTIFIER LBRAC enumerator_list COMMA 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 COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- $$->u._enum.enum_id = $1;
- ($$)->u._enum.container_type = $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 LBRAC enumerator_list COMMA 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 COLON integer_declaration_specifiers LBRAC enumerator_list COMMA RBRAC
- {
- $$ = make_node(scanner, NODE_ENUM);
- $$->u._enum.has_body = 1;
- $$->u._enum.enum_id = $1;
- ($$)->u._enum.container_type = $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 SEMICOLON
- {
- struct ctf_node *list;
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
- ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
- }
- | declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEDEF);
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u._typedef.type_specifier_list = list;
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEDEF);
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u._typedef.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- $$ = make_node(scanner, NODE_TYPEDEF);
- ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEALIAS);
- $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
- $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
- _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
- }
- ;
-
-alias_declaration_specifiers:
- CONST
- {
- struct ctf_node *node;
-
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_CONST;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | type_specifier
- {
- struct ctf_node *node;
-
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = $1;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | IDENTIFIER
- {
- struct ctf_node *node;
-
- add_type(scanner, $1);
- $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_ID_TYPE;
- node->u.type_specifier.id_type = yylval.s;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | alias_declaration_specifiers CONST
- {
- struct ctf_node *node;
-
- $$ = $1;
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_CONST;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- | alias_declaration_specifiers type_specifier
- {
- $$ = $1;
- bt_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
- }
- | alias_declaration_specifiers IDENTIFIER
- {
- struct ctf_node *node;
-
- add_type(scanner, $2);
- $$ = $1;
- node = make_node(scanner, NODE_TYPE_SPECIFIER);
- node->u.type_specifier.type = TYPESPEC_ID_TYPE;
- node->u.type_specifier.id_type = yylval.s;
- bt_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
- }
- ;
-
-struct_or_variant_declarator_list:
- struct_or_variant_declarator
- { $$ = $1; }
- | struct_or_variant_declarator_list COMMA struct_or_variant_declarator
- {
- $$ = $1;
- bt_list_add_tail(&($3)->siblings, &($$)->tmp_head);
- }
- ;
-
-struct_or_variant_declarator:
- declarator
- { $$ = $1; }
- | COLON unary_expression
- { $$ = $2; }
- | declarator COLON unary_expression
- {
- $$ = $1;
- if (set_parent_node($3, $1))
- reparent_error(scanner, "struct_or_variant_declarator");
- }
- ;
-
-enumerator_list:
- enumerator
- { $$ = $1; }
- | enumerator_list 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;
- }
- | STRING_LITERAL
- {
- $$ = make_node(scanner, NODE_ENUMERATOR);
- $$->u.enumerator.id = $1;
- }
- | IDENTIFIER EQUAL unary_expression_or_range
- {
- $$ = make_node(scanner, NODE_ENUMERATOR);
- $$->u.enumerator.id = $1;
- bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
- }
- | ID_TYPE EQUAL unary_expression_or_range
- {
- $$ = make_node(scanner, NODE_ENUMERATOR);
- $$->u.enumerator.id = $1;
- bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
- }
- | keywords EQUAL unary_expression_or_range
- {
- $$ = make_node(scanner, NODE_ENUMERATOR);
- $$->u.enumerator.id = $1;
- bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
- }
- | STRING_LITERAL EQUAL unary_expression_or_range
- {
- $$ = make_node(scanner, NODE_ENUMERATOR);
- $$->u.enumerator.id = $1;
- bt_list_splice(&($3)->tmp_head, &($$)->u.enumerator.values);
- }
- ;
-
-abstract_declarator_list:
- abstract_declarator
- { $$ = $1; }
- | abstract_declarator_list COMMA abstract_declarator
- {
- $$ = $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.type_declarator.pointers);
- }
- ;
-
-direct_abstract_declarator:
- /* empty */
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_ID;
- /* id is NULL */
- }
- | IDENTIFIER
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_ID;
- $$->u.type_declarator.u.id = $1;
- }
- | LPAREN abstract_declarator RPAREN
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $2;
- }
- | direct_abstract_declarator LSBRAC unary_expression RSBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $1;
- BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
- }
- | direct_abstract_declarator LSBRAC RSBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $1;
- $$->u.type_declarator.u.nested.abstract_array = 1;
- }
- ;
-
-alias_abstract_declarator_list:
- alias_abstract_declarator
- { $$ = $1; }
- | alias_abstract_declarator_list 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, &($$)->u.type_declarator.pointers);
- }
- ;
-
-direct_alias_abstract_declarator:
- /* empty */
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_ID;
- /* id is NULL */
- }
- | LPAREN alias_abstract_declarator RPAREN
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $2;
- }
- | direct_alias_abstract_declarator LSBRAC unary_expression RSBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $1;
- BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
- }
- | direct_alias_abstract_declarator LSBRAC RSBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $1;
- $$->u.type_declarator.u.nested.abstract_array = 1;
- }
- ;
-
-declarator:
- direct_declarator
- { $$ = $1; }
- | pointer direct_declarator
- {
- $$ = $2;
- bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
- }
- ;
-
-direct_declarator:
- IDENTIFIER
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_ID;
- $$->u.type_declarator.u.id = $1;
- }
- | LPAREN declarator RPAREN
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $2;
- }
- | direct_declarator LSBRAC unary_expression RSBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $1;
- BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
- }
- ;
-
-type_declarator:
- direct_type_declarator
- { $$ = $1; }
- | pointer direct_type_declarator
- {
- $$ = $2;
- bt_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
- }
- ;
-
-direct_type_declarator:
- IDENTIFIER
- {
- add_type(scanner, $1);
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_ID;
- $$->u.type_declarator.u.id = $1;
- }
- | LPAREN type_declarator RPAREN
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $2;
- }
- | direct_type_declarator LSBRAC unary_expression RSBRAC
- {
- $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
- $$->u.type_declarator.type = TYPEDEC_NESTED;
- $$->u.type_declarator.u.nested.type_declarator = $1;
- BT_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
- }
- ;
-
-pointer:
- STAR
- {
- $$ = make_node(scanner, NODE_POINTER);
- }
- | STAR pointer
- {
- $$ = make_node(scanner, NODE_POINTER);
- bt_list_splice(&($2)->tmp_head, &($$)->tmp_head);
- }
- | STAR type_qualifier_list pointer
- {
- $$ = make_node(scanner, NODE_POINTER);
- $$->u.pointer.const_qualifier = 1;
- bt_list_splice(&($3)->tmp_head, &($$)->tmp_head);
- }
- ;
-
-type_qualifier_list:
- /* pointer assumes only const type qualifier */
- CONST
- | type_qualifier_list CONST
- ;
-
-/* 2.3: CTF-specific declarations */
-
-ctf_assignment_expression_list:
- ctf_assignment_expression SEMICOLON
- { $$ = $1; }
- | ctf_assignment_expression_list ctf_assignment_expression SEMICOLON
- {
- $$ = $1;
- bt_list_add_tail(&($2)->siblings, &($$)->tmp_head);
- }
- ;
-
-ctf_assignment_expression:
- unary_expression 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, &($$)->u.ctf_expression.right);
- }
- | unary_expression TYPEASSIGN declaration_specifiers /* Only allow struct */
- {
- /*
- * Because we have left and right, cannot use
- * set_parent_node.
- */
- $$ = 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 TYPEDEF declaration_specifiers type_declarator_list
- {
- struct ctf_node *list;
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- $$ = make_node(scanner, NODE_TYPEDEF);
- ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
- _bt_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | TYPEDEF declaration_specifiers type_declarator_list
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEDEF);
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u._typedef.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | declaration_specifiers TYPEDEF type_declarator_list
- {
- struct ctf_node *list;
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- _bt_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- $$ = make_node(scanner, NODE_TYPEDEF);
- ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
- }
- | TYPEALIAS declaration_specifiers abstract_declarator_list TYPEASSIGN alias_declaration_specifiers alias_abstract_declarator_list
- {
- struct ctf_node *list;
-
- $$ = make_node(scanner, NODE_TYPEALIAS);
- $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
- $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
- _bt_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
-
- list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
- $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
- _bt_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
- _bt_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
- }
- ;
projects / babeltrace.git / blobdiff