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Code Releases Activity

cmd/gc: allow x[i:j:k] (and x[:j:k]) into the release

Browse Source 
R=ken2
CC=golang-dev
https://golang.org/cl/13512053
This commit is contained in:
Russ Cox 2013-09-11 14:55:46 -04:00
parent cdc5356c93
commit 8cd6341cf8
3 changed files with 654 additions and 1276 deletions
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9
src/cmd/gc/go.y
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@ -23,8 +23,6 @@
#include <libc.h>
#include "go.h"
static int isrelease = -1;
static void fixlbrace(int);
%}
%union {
@ -957,13 +955,6 @@ pexpr_no_paren:
}
| pexpr '[' oexpr ':' oexpr ':' oexpr ']'
{
// Make sure we don't accidentally release this experimental feature.
// http://golang.org/s/go12slice.
if(isrelease < 0)
isrelease = strstr(getgoversion(), "release") != nil;
if(isrelease)
yyerror("3-index slice not available in release");
if($5 == N)
yyerror("middle index required in 3-index slice");
if($7 == N)

1761
src/cmd/gc/y.tab.c
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File diff suppressed because it is too large Load Diff

36
src/cmd/gc/y.tab.h
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@ -1,13 +1,14 @@
/* A Bison parser, made by GNU Bison 2.5. */
/* A Bison parser, made by GNU Bison 2.3. */
/* Bison interface for Yacc-like parsers in C
/* Skeleton interface for Bison's Yacc-like parsers in C
Copyright (C) 1984, 1989-1990, 2000-2011 Free Software Foundation, Inc.
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
This program 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 of the License, or
(at your option) any later version.
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
@ -15,7 +16,9 @@
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* As a special exception, you may create a larger work that contains
part or all of the Bison parser skeleton and distribute that work
@ -30,7 +33,6 @@
This special exception was added by the Free Software Foundation in
version 2.2 of Bison. */
/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
@ -144,28 +146,22 @@
#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
typedef union YYSTYPE
#line 28 "go.y"
{
/* Line 2068 of yacc.c */
#line 30 "go.y"
Node* node;
NodeList* list;
Type* type;
Sym* sym;
struct Val val;
int i;
/* Line 2068 of yacc.c */
#line 163 "y.tab.h"
} YYSTYPE;
# define YYSTYPE_IS_TRIVIAL 1
}
/* Line 1529 of yacc.c. */
#line 160 "y.tab.h"
YYSTYPE;
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
extern YYSTYPE yylval;