diff options
Diffstat (limited to 'contrib/gcc/c-parser.c')
| -rw-r--r-- | contrib/gcc/c-parser.c | 57 |
1 files changed, 47 insertions, 10 deletions
diff --git a/contrib/gcc/c-parser.c b/contrib/gcc/c-parser.c index c6be639..a8c8a1e 100644 --- a/contrib/gcc/c-parser.c +++ b/contrib/gcc/c-parser.c @@ -3940,16 +3940,25 @@ c_parser_switch_statement (c_parser *parser) /* Parse a while statement (C90 6.6.5, C99 6.8.5). while-statement: - while (expression) statement + APPLE LOCAL begin for-fsf-4_4 3274130 5295549 + while attributes (expression) statement + + The use of attributes is a GNU extension. + APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ static void c_parser_while_statement (c_parser *parser) { - tree block, cond, body, save_break, save_cont; +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + tree block, cond, body, save_break, save_cont, attrs; +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ location_t loc; gcc_assert (c_parser_next_token_is_keyword (parser, RID_WHILE)); c_parser_consume_token (parser); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + attrs = c_parser_attributes (parser); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ block = c_begin_compound_stmt (flag_isoc99); loc = c_parser_peek_token (parser)->location; cond = c_parser_paren_condition (parser); @@ -3958,7 +3967,10 @@ c_parser_while_statement (c_parser *parser) save_cont = c_cont_label; c_cont_label = NULL_TREE; body = c_parser_c99_block_statement (parser); - c_finish_loop (loc, cond, NULL, body, c_break_label, c_cont_label, true); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + c_finish_loop (loc, cond, NULL, body, c_break_label, c_cont_label, attrs, + true); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ add_stmt (c_end_compound_stmt (block, flag_isoc99)); c_break_label = save_break; c_cont_label = save_cont; @@ -3967,16 +3979,25 @@ c_parser_while_statement (c_parser *parser) /* Parse a do statement (C90 6.6.5, C99 6.8.5). do-statement: - do statement while ( expression ) ; + APPLE LOCAL begin for-fsf-4_4 3274130 5295549 + do attributes statement while ( expression ) ; + + The use of attributes is a GNU extension. + APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ static void c_parser_do_statement (c_parser *parser) { - tree block, cond, body, save_break, save_cont, new_break, new_cont; +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + tree block, cond, body, save_break, save_cont, new_break, new_cont, attrs; +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ location_t loc; gcc_assert (c_parser_next_token_is_keyword (parser, RID_DO)); c_parser_consume_token (parser); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + attrs = c_parser_attributes (parser); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ block = c_begin_compound_stmt (flag_isoc99); loc = c_parser_peek_token (parser)->location; save_break = c_break_label; @@ -3992,18 +4013,26 @@ c_parser_do_statement (c_parser *parser) cond = c_parser_paren_condition (parser); if (!c_parser_require (parser, CPP_SEMICOLON, "expected %<;%>")) c_parser_skip_to_end_of_block_or_statement (parser); - c_finish_loop (loc, cond, NULL, body, new_break, new_cont, false); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + c_finish_loop (loc, cond, NULL, body, new_break, new_cont, attrs, false); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ add_stmt (c_end_compound_stmt (block, flag_isoc99)); } /* Parse a for statement (C90 6.6.5, C99 6.8.5). for-statement: - for ( expression[opt] ; expression[opt] ; expression[opt] ) statement - for ( nested-declaration expression[opt] ; expression[opt] ) statement + APPLE LOCAL begin for-fsf-4_4 3274130 5295549 + for attributes ( expression[opt] ; expression[opt] ; expression[opt] ) \ + statement + for attributes ( nested-declaration expression[opt] ; expression[opt] ) \ + statement The form with a declaration is new in C99. + The use of attributes is a GNU extension. + + APPLE LOCAL end for-fsf-4_4 3274130 5295549 ??? In accordance with the old parser, the declaration may be a nested function, which is then rejected in check_for_loop_decls, but does it make any sense for this to be included in the grammar? @@ -4015,11 +4044,16 @@ c_parser_do_statement (c_parser *parser) static void c_parser_for_statement (c_parser *parser) { - tree block, cond, incr, save_break, save_cont, body; +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + tree block, cond, incr, save_break, save_cont, body, attrs; +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ location_t loc; gcc_assert (c_parser_next_token_is_keyword (parser, RID_FOR)); loc = c_parser_peek_token (parser)->location; c_parser_consume_token (parser); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + attrs = c_parser_attributes (parser); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ block = c_begin_compound_stmt (flag_isoc99); if (c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>")) { @@ -4094,7 +4128,10 @@ c_parser_for_statement (c_parser *parser) save_cont = c_cont_label; c_cont_label = NULL_TREE; body = c_parser_c99_block_statement (parser); - c_finish_loop (loc, cond, incr, body, c_break_label, c_cont_label, true); +/* APPLE LOCAL begin for-fsf-4_4 3274130 5295549 */ \ + c_finish_loop (loc, cond, incr, body, c_break_label, c_cont_label, attrs, + true); +/* APPLE LOCAL end for-fsf-4_4 3274130 5295549 */ \ add_stmt (c_end_compound_stmt (block, flag_isoc99)); c_break_label = save_break; c_cont_label = save_cont; |
