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* Hack for Bison 2.3 compatability.

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This commit is contained in:
Eelco Dolstra 2006-10-02 14:43:15 +00:00
parent f316b6c1a9
commit 7581cfdee4
2 changed files with 14 additions and 2 deletions
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1
src/libexpr/lexer.l
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@ -10,6 +10,7 @@
#include "aterm.hh"
#include "nixexpr.hh"
#include "nixexpr-ast.hh"
#define BISON_HEADER_HACK
#include "parser-tab.hh"
using namespace nix;

15
src/libexpr/parser.y
View file

@ -2,12 +2,20 @@
%pure-parser
%locations
%error-verbose
%defines
%no-lines
%parse-param { yyscan_t scanner }
%parse-param { ParseData * data }
%lex-param { yyscan_t scanner }
%{
/* Newer versions of Bison copy the declarations below to
parser-tab.hh, which sucks bigtime since lexer.l doesn't want that
stuff. So allow it to be excluded. */
#ifndef BISON_HEADER_HACK
#define BISON_HEADER_HACK
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
@ -75,7 +83,7 @@ static Pos makeCurPos(YYLTYPE * loc, ParseData * data)
}
void yyerror(YYLTYPE * loc, yyscan_t scanner, ParseData * data, char * error)
void yyerror(YYLTYPE * loc, yyscan_t scanner, ParseData * data, const char * error)
{
data->error = (format("%1%, at `%2%':%3%:%4%")
% error % data->path % loc->first_line % loc->first_column).str();
@ -100,7 +108,10 @@ static void freeAndUnprotect(void * p)
#define YYMALLOC mallocAndProtect
#define YYFREE freeAndUnprotect
#endif
%}
%union {