*
* 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 <helpers/list.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"
-#define printf_dbg(fmt, args...) fprintf(stderr, "%s: " fmt, __func__, args)
-#define printf_dbg_noarg(fmt) fprintf(stderr, "%s: " fmt, __func__)
+BT_HIDDEN
+int yydebug;
-int yyparse(struct ctf_scanner *scanner);
-int yylex(union YYSTYPE *yyval, struct ctf_scanner *scanner);
-int yylex_init_extra(struct ctf_scanner *scanner, yyscan_t * ptr_yy_globals);
-int yylex_destroy(yyscan_t yyscanner) ;
-void yyset_in(FILE * in_str, yyscan_t scanner);
+/* 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 yydebug;
+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
+};
-struct gc_string {
- struct cds_list_head gc;
- char s[];
+/*
+ * 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,
};
-char *strredup(char **dest, const char *src)
+BT_HIDDEN
+const char *node_type(struct ctf_node *node)
{
- size_t len = strlen(src) + 1;
-
- *dest = realloc(*dest, len);
- if (!*dest)
+ if (node->type < NR_NODE_TYPES)
+ return node_type_to_str[node->type];
+ else
return NULL;
- strcpy(*dest, src);
- return *dest;
}
-static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner, size_t len)
+void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
{
- struct gc_string *gstr;
+ lvalp->s = objstack_alloc(scanner->objstack, strlen(src) + 1);
+ strcpy(lvalp->s, src);
+}
- gstr = malloc(sizeof(*gstr) + len);
- cds_list_add(&gstr->gc, &scanner->allocated_strings);
- return gstr;
+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;
}
-void setstring(struct ctf_scanner *scanner, YYSTYPE *lvalp, const char *src)
+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)
{
- lvalp->gs = gc_string_alloc(scanner, strlen(src) + 1);
- strcpy(lvalp->gs->s, src);
+ 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 scope *scope, struct scope *parent)
+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,
- (GDestroyNotify) free, NULL);
+ NULL, NULL);
}
-static void finalize_scope(struct scope *scope)
+static void finalize_scope(struct ctf_scanner_scope *scope)
{
g_hash_table_destroy(scope->types);
}
static void push_scope(struct ctf_scanner *scanner)
{
- struct scope *ns;
+ struct ctf_scanner_scope *ns;
- printf_dbg_noarg("push scope\n");
- ns = malloc(sizeof(struct scope));
+ 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 scope *os;
+ struct ctf_scanner_scope *os;
- printf_dbg_noarg("pop scope\n");
+ printf_debug("pop scope\n");
os = scanner->cs;
scanner->cs = os->parent;
finalize_scope(os);
free(os);
}
-static int lookup_type(struct scope *s, const char *id)
+static int lookup_type(struct ctf_scanner_scope *s, const char *id)
{
int ret;
- ret = (int) g_hash_table_lookup(s->types, id);
- printf_dbg("lookup %p %s %d\n", s, id, ret);
+ ret = (int) (long) 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 scope *it;
+ struct ctf_scanner_scope *it;
int ret = 0;
for (it = scanner->cs; it != NULL; it = it->parent) {
break;
}
}
- printf_dbg("is type %s %d\n", id, ret);
+ printf_debug("is type %s %d\n", id, ret);
return ret;
}
-static void add_type(struct ctf_scanner *scanner, const char *id)
+static void add_type(struct ctf_scanner *scanner, char *id)
{
- char *type_id = NULL;
-
- printf_dbg("add type %s\n", id);
+ printf_debug("add type %s\n", id);
if (lookup_type(scanner->cs, id))
return;
- strredup(&type_id, id);
- g_hash_table_insert(scanner->cs->types, type_id, type_id);
+ 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;
}
-void yyerror(struct ctf_scanner *scanner, const char *str)
+BT_HIDDEN
+void yyerror(struct ctf_scanner *scanner, yyscan_t yyscanner, const char *str)
{
- fprintf(stderr, "error %s\n", str);
+ printfl_error(yyget_lineno(scanner->scanner),
+ "token \"%s\": %s\n",
+ yyget_text(scanner->scanner), str);
}
+BT_HIDDEN
int yywrap(void)
{
return 1;
}
-static void free_strings(struct cds_list_head *list)
-{
- struct gc_string *gstr, *tmp;
-
- cds_list_for_each_entry_safe(gstr, tmp, list, gc)
- free(gstr);
-}
+#define reparent_error(scanner, str) \
+do { \
+ yyerror(scanner, scanner->scanner, YY_("reparent_error: " str)); \
+ YYERROR; \
+} while (0)
-static struct ctf_ast *ctf_ast_alloc(void)
+static struct ctf_ast *ctf_ast_alloc(struct ctf_scanner *scanner)
{
struct ctf_ast *ast;
- ast = malloc(sizeof(*ast));
+ ast = objstack_alloc(scanner->objstack, sizeof(*ast));
if (!ast)
return NULL;
- memset(ast, 0, sizeof(*ast));
+ 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;
}
-static void ctf_ast_free(struct ctf_ast *ast)
-{
-}
-
-int ctf_scanner_append_ast(struct ctf_scanner *scanner)
+int ctf_scanner_append_ast(struct ctf_scanner *scanner, FILE *input)
{
- return yyparse(scanner);
+ /* 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(FILE *input)
+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) {
- fprintf(stderr, "yylex_init error\n");
+ printf_fatal("yylex_init error");
goto cleanup_scanner;
}
- yyset_in(input, scanner);
-
- scanner->ast = ctf_ast_alloc();
- if (!scanner->ast)
+ 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);
- CDS_INIT_LIST_HEAD(&scanner->allocated_strings);
+ scanner->cs = &scanner->root_scope;
return scanner;
+cleanup_objstack:
+ objstack_destroy(scanner->objstack);
cleanup_lexer:
ret = yylex_destroy(scanner->scanner);
if (!ret)
- fprintf(stderr, "yylex_destroy error\n");
+ printf_fatal("yylex_destroy error");
cleanup_scanner:
free(scanner);
return NULL;
{
int ret;
+ if (!scanner)
+ return;
finalize_scope(&scanner->root_scope);
- free_strings(&scanner->allocated_strings);
- ctf_ast_free(scanner->ast);
+ objstack_destroy(scanner->objstack);
ret = yylex_destroy(scanner->scanner);
if (ret)
- fprintf(stderr, "yylex_destroy error\n");
+ printf_error("yylex_destroy error");
free(scanner);
}
%define api.pure
/* %locations */
+%error-verbose
%parse-param {struct ctf_scanner *scanner}
-%lex-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 CHARACTER_CONSTANT_START SQUOTE STRING_LITERAL_START DQUOTE ESCSEQ CHAR_STRING_TOKEN LSBRAC RSBRAC LPAREN RPAREN LBRAC RBRAC RARROW STAR PLUS MINUS LT GT TYPEASSIGN COLON SEMICOLON DOTDOTDOT DOT EQUAL COMMA CONST CHAR DOUBLE ENUM EVENT FLOATING_POINT FLOAT INTEGER INT LONG SHORT SIGNED STREAM STRING STRUCT TRACE TYPEALIAS TYPEDEF UNSIGNED VARIANT VOID _BOOL _COMPLEX _IMAGINARY DECIMAL_CONSTANT OCTAL_CONSTANT HEXADECIMAL_CONSTANT
-%token <gs> IDENTIFIER ID_TYPE
+%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;
- struct gc_string *gs;
+ 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
+ { $$ = yylval.s; }
;
-/* 1.5 Constants */
-
-c_char_sequence:
- c_char
- | c_char_sequence c_char
- ;
-
-c_char:
- CHAR_STRING_TOKEN
- | ESCSEQ
- ;
-
-/* 1.6 String literals */
-
-s_char_sequence:
- s_char
- | s_char_sequence s_char
- ;
-
-s_char:
- CHAR_STRING_TOKEN
- | ESCSEQ
- ;
/* 2: Phrase structure grammar */
postfix_expression:
IDENTIFIER
+ {
+ $$ = 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;
+ $$->u.unary_expression.u.string = yylval.s;
+ }
| keywords
- | DECIMAL_CONSTANT
- | OCTAL_CONSTANT
- | HEXADECIMAL_CONSTANT
- | STRING_LITERAL_START DQUOTE
- | STRING_LITERAL_START s_char_sequence DQUOTE
- | CHARACTER_CONSTANT_START c_char_sequence SQUOTE
+ {
+ $$ = 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, &($$)->u._typedef.type_declarators);
+ }
| declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
- | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list SEMICOLON
- | TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list SEMICOLON
+ {
+ struct ctf_node *list;
+
+ $$ = 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);
- }
+ { push_scope(scanner); }
;
event_declaration_end:
RBRAC SEMICOLON
- {
- pop_scope(scanner);
- }
+ { 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, $$))
+ reparent_error(scanner, "stream_declaration");
+ }
;
stream_declaration_begin:
STREAM LBRAC
- {
- push_scope(scanner);
- }
+ { push_scope(scanner); }
;
stream_declaration_end:
RBRAC SEMICOLON
+ { pop_scope(scanner); }
+ ;
+
+env_declaration:
+ env_declaration_begin env_declaration_end
+ {
+ $$ = make_node(scanner, NODE_ENV);
+ }
+ | env_declaration_begin ctf_assignment_expression_list env_declaration_end
{
- pop_scope(scanner);
+ $$ = make_node(scanner, NODE_ENV);
+ if (set_parent_node($2, $$))
+ 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
{
- push_scope(scanner);
+ $$ = make_node(scanner, NODE_CLOCK);
+ if (set_parent_node($3, $$))
+ reparent_error(scanner, "trace_declaration");
}
;
-trace_declaration_end:
+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, &($$)->u.type_specifier_list.head);
+ }
+ | integer_declaration_specifiers CONST
{
- pop_scope(scanner);
+ struct ctf_node *node;
+
+ $$ = $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);
+ }
;
-abstract_type_declarator_list:
- abstract_type_declarator
- | abstract_type_declarator_list COMMA abstract_type_declarator
- ;
-
-type_specifier:
- VOID
- | CHAR
+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
- | FLOAT
- | DOUBLE
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->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
- | _COMPLEX
+ {
+ $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+ $$->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, $$))
+ reparent_error(scanner, "struct reparent error");
+ }
;
struct_declaration_begin:
LBRAC
- {
- push_scope(scanner);
- }
+ { push_scope(scanner); }
;
struct_declaration_end:
RBRAC
- {
- pop_scope(scanner);
- }
+ { pop_scope(scanner); }
;
variant_type_specifier:
variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
+ {
+ $$ = 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);
- }
+ { push_scope(scanner); }
;
variant_declaration_end:
RBRAC
- {
- pop_scope(scanner);
- }
- ;
-
-type_specifier_or_integer_constant:
- declaration_specifiers
- | DECIMAL_CONSTANT
- | OCTAL_CONSTANT
- | HEXADECIMAL_CONSTANT
+ { pop_scope(scanner); }
;
enum_type_specifier:
LBRAC enumerator_list RBRAC
- | LT type_specifier_or_integer_constant GT 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, &($$)->u._enum.enumerator_list);
+ }
| IDENTIFIER LBRAC enumerator_list RBRAC
- | IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
+ {
+ $$ = 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
- | ID_TYPE LT type_specifier_or_integer_constant GT 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, &($$)->u._enum.enumerator_list);
+ }
| LBRAC enumerator_list COMMA RBRAC
- | LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
+ {
+ $$ = 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
- | IDENTIFIER LT type_specifier_or_integer_constant GT 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, &($$)->u._enum.enumerator_list);
+ }
| IDENTIFIER
- | IDENTIFIER LT type_specifier_or_integer_constant GT
+ {
+ $$ = make_node(scanner, NODE_ENUM);
+ $$->u._enum.has_body = 0;
+ $$->u._enum.enum_id = $1;
+ }
| ID_TYPE LBRAC enumerator_list COMMA RBRAC
- | ID_TYPE LT type_specifier_or_integer_constant GT 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, &($$)->u._enum.enumerator_list);
+ }
| ID_TYPE
- | ID_TYPE LT type_specifier_or_integer_constant GT
+ {
+ $$ = 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:
- specifier_qualifier_list struct_or_variant_declarator_list SEMICOLON
- | specifier_qualifier_list TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
- | TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
- | specifier_qualifier_list TYPEDEF type_declarator_list SEMICOLON
- | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON specifier_qualifier_list abstract_type_declarator_list SEMICOLON
- | TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON type_declarator_list SEMICOLON
+ 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, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
+ }
;
-specifier_qualifier_list:
+alias_declaration_specifiers:
CONST
+ {
+ struct ctf_node *node;
+
+ $$ = 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, &($$)->u.type_specifier_list.head);
+ }
| type_specifier
- | specifier_qualifier_list CONST
- | specifier_qualifier_list type_specifier
+ {
+ struct ctf_node *node;
+
+ $$ = 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
- | STRING_LITERAL_START DQUOTE
- | STRING_LITERAL_START s_char_sequence DQUOTE
+ {
+ $$ = make_node(scanner, NODE_ENUMERATOR);
+ $$->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
- | STRING_LITERAL_START DQUOTE EQUAL unary_expression_or_range
- | STRING_LITERAL_START s_char_sequence DQUOTE 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;
+ $$->u.type_declarator.u.id = $1;
+ }
| LPAREN abstract_declarator RPAREN
- | direct_abstract_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
+ {
+ $$ = 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;
+ $$->u.type_declarator.u.id = $1;
+ }
| LPAREN declarator RPAREN
- | direct_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
+ {
+ $$ = 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->s);
+ add_type(scanner, $1);
+ $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+ $$->u.type_declarator.type = TYPEDEC_ID;
+ $$->u.type_declarator.u.id = $1;
}
| LPAREN type_declarator RPAREN
- | direct_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
- ;
-
-abstract_type_declarator:
- direct_abstract_type_declarator
- | pointer direct_abstract_type_declarator
- ;
-
-direct_abstract_type_declarator:
- /* empty */
- | IDENTIFIER
{
- add_type(scanner, $1->s);
+ $$ = 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, &($$)->u.type_declarator.u.nested.length);
}
- | LPAREN abstract_type_declarator RPAREN
- | direct_abstract_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
- | direct_abstract_type_declarator LSBRAC RSBRAC
;
pointer:
STAR
+ {
+ $$ = 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, &($$)->tmp_head);
+ }
;
type_qualifier_list:
+ /* pointer assumes only const type qualifier */
CONST
| type_qualifier_list CONST
;
ctf_assignment_expression_list:
ctf_assignment_expression SEMICOLON
+ { $$ = $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
- | unary_expression TYPEASSIGN type_specifier
+ {
+ /*
+ * 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
- | TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list
- | TYPEALIAS declaration_specifiers abstract_declarator_list COLON 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