- Synced parser and keyword file.

- More work on Informix compatibility.

Author: Michael Meskes

src/interfaces/ecpg/ChangeLog

@@ -1332,5 +1332,12 @@ Thu Feb 13 14:06:28 CET 2003
 	- Started working on an Informix compatibility mode. With option "-C
 	  INFORMIX" set, ecpg now accepts "$" as alias for "exec sql" and to
 	  denote variables inside SQL statements.
+
+
+Fri Feb 14 14:14:25 CET 2003
+
+	- Synced parser and keyword file.
+	- More work on Informix compatibility. 
 	- Set ecpg version to 2.12.0.
+	- Set library to 3.4.2.
 

src/interfaces/ecpg/include/ecpg_informix.h

@@ -0,0 +1,6 @@
+/* 
+ * This file contains stuff needed to be as compatible to Informix as possible.
+ */
+
+#define SQLNOTFOUND 100
+

src/interfaces/ecpg/lib/error.c

@@ -1,4 +1,4 @@
-/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/error.c,v 1.18 2003/02/13 18:13:22 tgl Exp $ */
+/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/lib/Attic/error.c,v 1.19 2003/02/14 13:17:13 meskes Exp $ */
 
 #include "postgres_fe.h"
 
@@ -14,7 +14,6 @@
  * the last back-end operation. */
 static char *ECPGerr;
 
-
 void
 ECPGraise(int line, int code, const char *str)
 {

src/interfaces/ecpg/lib/extern.h

@@ -6,6 +6,9 @@
 
 /* Here are some methods used by the lib. */
 
+/* Stores the backend error message for client access */
+void set_backend_err(const char *err, int lineon);
+
 /* Store and retrieve the backend error message for client access */
 void set_backend_err(const char *err, int lineon);
 char *ECPGerrmsg(void);

src/interfaces/ecpg/preproc/Makefile

@@ -1,11 +1,11 @@
-# $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.89 2002/12/04 18:14:11 momjian Exp $
+# $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.90 2003/02/14 13:17:13 meskes Exp $
 
 subdir = src/interfaces/ecpg/preproc
 top_builddir = ../../../..
 include $(top_builddir)/src/Makefile.global
 
 MAJOR_VERSION=2
-MINOR_VERSION=11
+MINOR_VERSION=12
 PATCHLEVEL=0
 
 override CPPFLAGS := -I$(srcdir)/../include -I$(srcdir) $(CPPFLAGS) \

src/interfaces/ecpg/preproc/ecpg.c

@@ -1,4 +1,4 @@
-/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.59 2003/02/13 13:11:52 meskes Exp $ */
+/* $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/ecpg.c,v 1.60 2003/02/14 13:17:13 meskes Exp $ */
 
 /* New main for ecpg, the PostgreSQL embedded SQL precompiler. */
 /* (C) Michael Meskes <meskes@postgresql.org> Feb 5th, 1998 */
@@ -315,6 +315,10 @@ main(int argc, char *const argv[])
 				/* we need several includes */
 				fprintf(yyout, "/* Processed by ecpg (%d.%d.%d) */\n/* These four include files are added by the preprocessor */\n#include <ecpgtype.h>\n#include <ecpglib.h>\n#include <ecpgerrno.h>\n#include <sqlca.h>\n#line 1 \"%s\"\n", MAJOR_VERSION, MINOR_VERSION, PATCHLEVEL, input_filename);
 
+				/* add some compatibility headers */
+				if (compat == ECPG_COMPAT_INFORMIX)
+					fprintf(yyout, "/* Needed for informix compatibility */\n#include <ecpg_informix.h>\n");
+
 				/* and parse the source */
 				yyparse();
 

src/interfaces/ecpg/preproc/keywords.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.55 2002/10/21 13:09:31 meskes Exp $
+ *	  $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/keywords.c,v 1.56 2003/02/14 13:17:13 meskes Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -28,7 +28,7 @@
  */
 static ScanKeyword ScanKeywords[] = {
 	/* name, value */
-	{"abort", ABORT_TRANS},
+	{"abort", ABORT_P},
 	{"absolute", ABSOLUTE},
 	{"access", ACCESS},
 	{"action", ACTION},
@@ -49,7 +49,7 @@ static ScanKeyword ScanKeywords[] = {
 	{"authorization", AUTHORIZATION},
 	{"backward", BACKWARD},
 	{"before", BEFORE},
-	{"begin", BEGIN_TRANS},
+	{"begin", BEGIN_P},
 	{"between", BETWEEN},
 	{"bigint", BIGINT},
 	{"binary", BINARY},
@@ -115,7 +115,7 @@ static ScanKeyword ScanKeywords[] = {
 	{"else", ELSE},
 	{"encoding", ENCODING},
 	{"encrypted", ENCRYPTED},
-	{"end", END_TRANS},
+	{"end", END_P},
 	{"escape", ESCAPE},
 	{"except", EXCEPT},
 	{"exclusive", EXCLUSIVE},
@@ -226,6 +226,7 @@ static ScanKeyword ScanKeywords[] = {
 	{"position", POSITION},
 	{"precision", PRECISION},
 	{"prepare", PREPARE},
+	{"preserve", PRESERVE},
 	{"primary", PRIMARY},
 	{"prior", PRIOR},
 	{"privileges", PRIVILEGES},
@@ -246,6 +247,7 @@ static ScanKeyword ScanKeywords[] = {
 	{"right", RIGHT},
 	{"rollback", ROLLBACK},
 	{"row", ROW},
+	{"rows", ROWS},
 	{"rule", RULE},
 	{"schema", SCHEMA},
 	{"scroll", SCROLL},

src/interfaces/ecpg/preproc/pgc.l

@@ -12,7 +12,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.103 2003/02/13 20:37:28 meskes Exp $
+ *	  $Header: /cvsroot/pgsql/src/interfaces/ecpg/preproc/pgc.l,v 1.104 2003/02/14 13:17:13 meskes Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -423,7 +423,6 @@ cppline			{space}*#(.*\\{space})*.*
 			  /* are we simulating Informix? */
                           if (compat == ECPG_COMPAT_INFORMIX)
 			  {
-			  	printf ("unput $\n");
 			  	unput(':');
 			  }
 			  else
@@ -560,6 +559,12 @@ cppline			{space}*#(.*\\{space})*.*
 						if (keyword != NULL)
 							return keyword->value;
 
+						/* Is it a C keyword? */
+						keyword = ScanCKeywordLookup(yytext);
+						if (keyword != NULL)
+							return keyword->value;
+
+
 						/* How about a DEFINE? */
 						for (ptr = defines; ptr; ptr = ptr->next)
 						{
@@ -697,6 +702,7 @@ cppline			{space}*#(.*\\{space})*.*
 
 <C>{exec_sql}{define}{space}*	{ BEGIN(def_ident); }
 <C>{exec_sql}{include}{space}*	{ BEGIN(incl); }
+<C>{informix_special}{include}{space}*	{ BEGIN(incl); }
 
 <C,xskip>{exec_sql}{ifdef}{space}*	{ ifcond = TRUE; BEGIN(xcond); }
 <C,xskip>{exec_sql}{ifndef}{space}* { ifcond = FALSE; BEGIN(xcond); }
@@ -832,32 +838,45 @@ cppline			{space}*#(.*\\{space})*.*
 							i-- )
 					  		{}
 
-						/* Remove trailing '"' if it exists */
-						if (yytext[i] == '"') 
-							yytext[i] = '\0';
-						else
-						  	yytext[i+1] = '\0';
+						yytext[i+1] = '\0';
+						yyin = NULL;
 
-						/* also remove starting '"' */
-						if (yytext[0] == '"')
+						/* If file name is enclosed in '"' remove these and look only in '.' */
+						if (yytext[0] == '"' && yytext[i] == '"') 
+						{
+							yytext[i] = '\0';
 							memmove(yytext, yytext+1, strlen(yytext));
-
-					  	yyin = NULL;
-					  	for (ip = include_paths; yyin == NULL && ip != NULL; ip = ip->next)
-					  	{
-							if (strlen(ip->path) + strlen(yytext) + 3 > MAXPGPATH)
-							{
-								fprintf(stderr, "Error: Path %s/%s is too long in line %d, skipping.\n", ip->path, yytext, yylineno);
-								continue;
-							}
-							snprintf (inc_file, sizeof(inc_file), "%s/%s", ip->path, yytext);
-							yyin = fopen( inc_file, "r" );
+						
+							strncpy(inc_file, yytext, sizeof(inc_file));
+							yyin = fopen(inc_file, "r");
 							if (!yyin)
 							{
 								if (strcmp(inc_file + strlen(inc_file) - 2, ".h"))
 								{
 									strcat(inc_file, ".h");
-									yyin = fopen( inc_file, "r" );
+									yyin = fopen(inc_file, "r");
+								}
+							}
+							
+						}
+						else
+						{
+						  	for (ip = include_paths; yyin == NULL && ip != NULL; ip = ip->next)
+						  	{
+								if (strlen(ip->path) + strlen(yytext) + 3 > MAXPGPATH)
+								{
+									fprintf(stderr, "Error: Path %s/%s is too long in line %d, skipping.\n", ip->path, yytext, yylineno);
+									continue;
+								}
+								snprintf (inc_file, sizeof(inc_file), "%s/%s", ip->path, yytext);
+								yyin = fopen(inc_file, "r");
+								if (!yyin)
+								{
+									if (strcmp(inc_file + strlen(inc_file) - 2, ".h"))
+									{
+										strcat(inc_file, ".h");
+										yyin = fopen( inc_file, "r" );
+									}
 								}
 							}
 						}