+++ /dev/null
-/* -*- indented-text -*- */
-/* Process source files and output type information.
- Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
-
-This file is part of GCC.
-
-GCC is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 3, or (at your option) any later
-version.
-
-GCC is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING3. If not see
-<http://www.gnu.org/licenses/>. */
-
-%{
-#include "bconfig.h"
-#include "system.h"
-#include "coretypes.h"
-#include "tm.h"
-#include "gengtype.h"
-#define YYERROR_VERBOSE
-%}
-
-%union {
- type_p t;
- pair_p p;
- options_p o;
- const char *s;
-}
-
-%token <s>ENT_TYPEDEF_STRUCT
-%token <s>ENT_STRUCT
-%token <s>ENT_TYPEDEF_UNION
-%token <s>ENT_UNION
-%token ENT_EXTERNSTATIC
-%token GTY_TOKEN
-%token VEC_TOKEN
-%token UNION
-%token STRUCT
-%token ENUM
-%token ALIAS
-%token NESTED_PTR
-%token <s>PARAM_IS
-%token NUM
-%token <s>SCALAR
-%token <s>ID
-%token <s>STRING
-%token <s>ARRAY
-%token <s>CHAR
-
-%type <p> struct_fields
-%type <t> type lasttype
-%type <o> optionsopt options optionseq
-%type <s> type_option stringseq
-
-%%
-
-start: /* empty */
- | typedef_struct start
- | externstatic start
- | start
- ;
-
-typedef_struct: ENT_TYPEDEF_STRUCT options '{' struct_fields '}' ID
- {
- type_p t = new_structure ($1, false, &lexer_line, $4, $2);
- do_typedef ($6, t, &lexer_line);
- lexer_toplevel_done = 1;
- }
- ';'
- | ENT_TYPEDEF_UNION options '{' struct_fields '}' ID
- {
- type_p t = new_structure ($1, true, &lexer_line, $4, $2);
- do_typedef ($6, t, &lexer_line);
- lexer_toplevel_done = 1;
- }
- ';'
- | ENT_STRUCT options '{' struct_fields '}'
- {
- new_structure ($1, false, &lexer_line, $4, $2);
- lexer_toplevel_done = 1;
- }
- ';'
- | ENT_UNION options '{' struct_fields '}'
- {
- new_structure ($1, true, &lexer_line, $4, $2);
- lexer_toplevel_done = 1;
- }
- ';'
- ;
-
-externstatic: ENT_EXTERNSTATIC options lasttype ID semiequal
- {
- note_variable ($4, adjust_field_type ($3, $2), $2,
- &lexer_line);
- }
- | ENT_EXTERNSTATIC options lasttype ID ARRAY semiequal
- {
- note_variable ($4, create_array ($3, $5),
- $2, &lexer_line);
- }
- | ENT_EXTERNSTATIC options lasttype ID ARRAY ARRAY semiequal
- {
- note_variable ($4, create_array (create_array ($3, $6),
- $5),
- $2, &lexer_line);
- }
- ;
-
-lasttype: type
- {
- lexer_toplevel_done = 1;
- $$ = $1;
- }
- ;
-
-semiequal: ';'
- | '='
- ;
-
-struct_fields: { $$ = NULL; }
- | type optionsopt ID bitfieldopt ';' struct_fields
- {
- $$ = create_field_at ($6, $1, $3, $2, &lexer_line);
- }
- | type optionsopt ID ARRAY ';' struct_fields
- {
- $$ = create_field_at ($6, create_array ($1, $4),
- $3, $2, &lexer_line);
- }
- | type optionsopt ID ARRAY ARRAY ';' struct_fields
- {
- type_p arr = create_array (create_array ($1, $5), $4);
- $$ = create_field_at ($7, arr, $3, $2, &lexer_line);
- }
- | type ':' bitfieldlen ';' struct_fields
- { $$ = $5; }
- ;
-
-bitfieldopt: /* empty */
- | ':' bitfieldlen
- ;
-
-bitfieldlen: NUM | ID
- { }
- ;
-
-type: SCALAR
- { $$ = create_scalar_type ($1); }
- | ID
- { $$ = resolve_typedef ($1, &lexer_line); }
- | VEC_TOKEN '(' ID ',' ID ')'
- { $$ = resolve_typedef (concat ("VEC_", $3, "_", $5, (char *)0),
- &lexer_line); }
- | type '*'
- { $$ = create_pointer ($1); }
- | STRUCT ID '{' struct_fields '}'
- { $$ = new_structure ($2, 0, &lexer_line, $4, NULL); }
- | STRUCT ID
- { $$ = find_structure ($2, 0); }
- | UNION ID '{' struct_fields '}'
- { $$ = new_structure ($2, 1, &lexer_line, $4, NULL); }
- | UNION ID
- { $$ = find_structure ($2, 1); }
- | ENUM ID
- { $$ = create_scalar_type ($2); }
- | ENUM ID '{' enum_items '}'
- { $$ = create_scalar_type ($2); }
- ;
-
-enum_items: /* empty */
- | ID '=' NUM ',' enum_items
- { }
- | ID ',' enum_items
- { }
- | ID enum_items
- { }
- ;
-
-optionsopt: { $$ = NULL; }
- | options { $$ = $1; }
- ;
-
-options: GTY_TOKEN '(' '(' optionseq ')' ')'
- { $$ = $4; }
- ;
-
-type_option : ALIAS
- { $$ = "ptr_alias"; }
- | PARAM_IS
- { $$ = $1; }
- ;
-
-optionseq: { $$ = NULL; }
- | optionseq commaopt ID
- { $$ = create_option ($1, $3, (void *)""); }
- | optionseq commaopt ID '(' stringseq ')'
- { $$ = create_option ($1, $3, (void *)$5); }
- | optionseq commaopt type_option '(' type ')'
- { $$ = create_option ($1, $3, adjust_field_type ($5, 0)); }
- | optionseq commaopt NESTED_PTR '(' type ',' stringseq ',' stringseq ')'
- { $$ = create_nested_ptr_option ($1, $5, $7, $9); }
-
-commaopt: /* nothing */
- | ','
- ;
-
-stringseq: STRING
- { $$ = $1; }
- | stringseq STRING
- {
- size_t l1 = strlen ($1);
- size_t l2 = strlen ($2);
- char *s = XRESIZEVEC (char, $1, l1 + l2 + 1);
- memcpy (s + l1, $2, l2 + 1);
- XDELETE ($2);
- $$ = s;
- }
- ;
-%%
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