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Make contrib/seg work with flex 2.5.31. Fix it up to have a real

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btree operator class, too, since in PG 7.4 you can't GROUP without one.
This commit is contained in:
Tom Lane
2003-09-14 02:18:49 +00:00
parent 03e47392e0
commit 043be9ad96
9 changed files with 116 additions and 191 deletions
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36
contrib/seg/segparse.y
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@ -6,7 +6,6 @@
#include <math.h>
#include "segdata.h"
#include "buffer.h"
#ifdef __CYGWIN__
#define HUGE HUGE_VAL
@ -19,7 +18,7 @@
extern int yylex(); /* defined as seg_yylex in segscan.c */
extern int significant_digits( char *str ); /* defined in seg.c */
int seg_yyerror( char *msg );
void seg_yyerror(const char *message);
int seg_yyparse( void *result );
float seg_atof( char *value );
@ -72,7 +71,6 @@ range:
((SEG *)result)->lower = $1.val;
((SEG *)result)->upper = $3.val;
if ( ((SEG *)result)->lower > ((SEG *)result)->upper ) {
reset_parse_buffer();
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("swapped boundaries: %g is greater than %g",
@ -145,7 +143,6 @@ float seg_atof ( char *value ) {
if ( errno ) {
snprintf(buf, 256, "numeric value %s unrepresentable", value);
reset_parse_buffer();
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("syntax error"),
@ -156,35 +153,4 @@ float seg_atof ( char *value ) {
}
int seg_yyerror ( char *msg ) {
char *buf = (char *) palloc(256);
int position;
yyclearin;
if ( !strcmp(msg, "parse error, expecting `$'") ) {
msg = "expecting end of input";
}
position = parse_buffer_pos() > parse_buffer_size() ? parse_buffer_pos() - 1 : parse_buffer_pos();
snprintf(
buf,
256,
"%s at or near position %d, character ('%c', \\%03o), input: '%s'\n",
msg,
position,
parse_buffer()[position - 1],
parse_buffer()[position - 1],
parse_buffer()
);
reset_parse_buffer();
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("syntax error"),
errdetail("%s", buf)));
return 0;
}
#include "segscan.c"