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glcpp: Add plumbing to support line locations.

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This commit is contained in:
Kenneth Graunke
2010-06-16 16:35:57 -07:00
parent f70f60739a
commit 465e03ee07
3 changed files with 21 additions and 9 deletions
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2
glcpp/glcpp-lex.l
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@@ -29,7 +29,7 @@
#include "glcpp-parse.h"
%}
%option bison-bridge reentrant noyywrap
%option bison-bridge bison-locations reentrant noyywrap
%option extra-type="glcpp_parser_t *"
%option prefix="glcpp_"

16
glcpp/glcpp-parse.y
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@@ -34,7 +34,7 @@
stream = talloc_asprintf_append(stream, fmt, args)
static void
yyerror (glcpp_parser_t *parser, const char *error);
yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error);
static void
_define_object_macro (glcpp_parser_t *parser,
@@ -133,7 +133,7 @@ _glcpp_parser_skip_stack_pop (glcpp_parser_t *parser);
#define yylex glcpp_parser_lex
static int
glcpp_parser_lex (YYSTYPE *yylval, glcpp_parser_t *parser);
glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser);
static void
glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
@@ -142,6 +142,7 @@ glcpp_parser_lex_from (glcpp_parser_t *parser, token_list_t *list);
%pure-parser
%error-verbose
%locations
%parse-param {glcpp_parser_t *parser}
%lex-param {glcpp_parser_t *parser}
@@ -364,7 +365,7 @@ text_line:
non_directive:
pp_tokens NEWLINE {
yyerror (parser, "Invalid tokens after #");
yyerror (& @1, parser, "Invalid tokens after #");
}
;
@@ -861,9 +862,10 @@ _token_list_print (glcpp_parser_t *parser, token_list_t *list)
}
void
yyerror (glcpp_parser_t *parser, const char *error)
yyerror (YYLTYPE *locp, glcpp_parser_t *parser, const char *error)
{
glcpp_printf(parser->errors, "Parse error: %s\n", error);
glcpp_printf(parser->errors, "%u:%u(%u): preprocessor error: %s\n",
locp->source, locp->first_line, locp->first_column, error);
}
glcpp_parser_t *
@@ -1452,13 +1454,13 @@ _define_function_macro (glcpp_parser_t *parser,
}
static int
glcpp_parser_lex (YYSTYPE *yylval, glcpp_parser_t *parser)
glcpp_parser_lex (YYSTYPE *yylval, YYLTYPE *yylloc, glcpp_parser_t *parser)
{
token_node_t *node;
int ret;
if (parser->lex_from_list == NULL) {
ret = glcpp_lex (yylval, parser->scanner);
ret = glcpp_lex (yylval, yylloc, parser->scanner);
/* XXX: This ugly block of code exists for the sole
* purpose of converting a NEWLINE token into a SPACE

12
glcpp/glcpp.h
View File

@@ -59,6 +59,16 @@ typedef union YYSTYPE
# define YYSTYPE_IS_TRIVIAL 1
# define YYSTYPE_IS_DECLARED 1
typedef struct YYLTYPE {
int first_line;
int first_column;
int last_line;
int last_column;
unsigned source;
} YYLTYPE;
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
struct token {
int type;
YYSTYPE value;
@@ -163,7 +173,7 @@ void
glcpp_lex_set_source_string(glcpp_parser_t *parser, const char *shader);
int
glcpp_lex (YYSTYPE *lvalp, yyscan_t scanner);
glcpp_lex (YYSTYPE *lvalp, YYLTYPE *llocp, yyscan_t scanner);
int
glcpp_lex_destroy (yyscan_t scanner);