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Fixed bug in Informix define handling.

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This commit is contained in:
Michael Meskes 2007-08-29 13:58:13 +00:00
parent f145de27c3
commit c7b6593042
3 changed files with 41 additions and 9 deletions
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4
src/interfaces/ecpg/ChangeLog
View File

@ -2229,5 +2229,9 @@ Tue, 14 Aug 2007 11:46:51 +0200
Wed, 22 Aug 2007 08:41:33 +0200
- More cleaning up and removed some duplicates.
Wed, 29 Aug 2007 15:41:58 +0200
- Fixed bug in Informix define handling.
- Set ecpg library version to 6.0.
- Set ecpg version to 4.4.

7
src/interfaces/ecpg/preproc/ecpg.c
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@ -1,4 +1,4 @@
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.100 2007/08/14 10:01:53 meskes Exp $ */
/* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.101 2007/08/29 13:58:13 meskes Exp $ */
/* New main for ecpg, the PostgreSQL embedded SQL precompiler. */
/* (C) Michael Meskes <meskes@postgresql.org> Feb 5th, 1998 */
@ -212,11 +212,6 @@ main(int argc, char *const argv[])
char informix_path[MAXPGPATH];
compat = (strcmp(optarg, "INFORMIX") == 0) ? ECPG_COMPAT_INFORMIX : ECPG_COMPAT_INFORMIX_SE;
/* system_includes = true; */
add_preprocessor_define("dec_t=decimal");
add_preprocessor_define("intrvl_t=interval");
add_preprocessor_define("dtime_t=timestamp");
get_pkginclude_path(my_exec_path, pkginclude_path);
snprintf(informix_path, MAXPGPATH, "%s/informix/esql", pkginclude_path);
add_include_path(informix_path);

39
src/interfaces/ecpg/preproc/pgc.l
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@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.154 2007/08/22 08:20:58 meskes Exp $
* $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.155 2007/08/29 13:58:13 meskes Exp $
*
*-------------------------------------------------------------------------
*/
@ -50,6 +50,7 @@ static void parse_include (void);
static void check_escape_warning(void);
static bool ecpg_isspace(char ch);
static bool isdefine(void);
static bool isinformixdefine(void);
char *token_start;
int state_before;
@ -751,8 +752,10 @@ cppline {space}*#(.*\\{space})*.*{newline}
}
<C>{identifier} {
const ScanKeyword *keyword;
if (INFORMIX_MODE || !isdefine())
/* Informix uses SQL defines only in SQL space */
/* however, some defines have to be taken care of for compatibility */
if ((!INFORMIX_MODE || !isinformixdefine()) && !isdefine())
{
keyword = ScanCKeywordLookup(yytext);
if (keyword != NULL)
@ -1332,6 +1335,36 @@ static bool isdefine(void)
return false;
}
static bool isinformixdefine(void)
{
const char *new = NULL;
if (strcmp(yytext, "dec_t") == 0)
new = "decimal";
else if (strcmp(yytext, "intrvl_t") == 0)
new = "interval";
else if (strcmp(yytext, "dtime_t") == 0)
new = "timestamp";
if (new)
{
struct _yy_buffer *yb;
yb = mm_alloc(sizeof(struct _yy_buffer));
yb->buffer = YY_CURRENT_BUFFER;
yb->lineno = yylineno;
yb->filename = mm_strdup(input_filename);
yb->next = yy_buffer;
yy_buffer = yb;
yy_scan_string(new);
return true;
}
return false;
}
/*
* Called before any actual parsing is done
*/