===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/parse/pvar.c,v
retrieving revision 1.12
retrieving revision 1.15
diff -u -p -r1.12 -r1.15
--- OpenXM_contrib2/asir2000/parse/pvar.c	2003/05/20 06:15:01	1.12
+++ OpenXM_contrib2/asir2000/parse/pvar.c	2005/10/26 07:33:03	1.15
@@ -45,7 +45,7 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/parse/pvar.c,v 1.11 2003/05/16 09:34:50 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/parse/pvar.c,v 1.14 2003/11/12 07:01:38 noro Exp $ 
 */
 #include "ca.h"
 #include "parse.h"
@@ -126,25 +126,27 @@ void poppvs() {
 #define IS_LOCAL 0
 #define IS_GLOBAL 1
 #define IS_MGLOBAL 2
+#define IS_PATTERN 3
 
 
 unsigned int makepvar(char *str)
 {
 	int c,c1,created;
 
-	/* EPVS : global list of the current file */
-	/* add to the local variable list */
-	if ( gdef ) {
-		/* add to the external variable list */
+	if ( str[0] == '_' ) {
+		/* pattern variable */
+		c1 = getpvar(PPVS,str,0);
+		c = PVPATTERN((unsigned int)c1);
+		PPVS->va[c1].attr = IS_PATTERN;
+	} else if ( gdef ) {
+		/* EPVS : global list of the current file */
+		/* add to the local variable list */
+		/* also add to the external variable list */
 		c = getpvar(CPVS,str,0);
 		getpvar(EPVS,str,0);
 		if ( CUR_MODULE ) {
 			c1 = getpvar(CUR_MODULE->pvs,str,1);
-			if ( c1 >= 0 ) {
-				fprintf(stderr,"\"%s\", near line %d: conflicting declarations for `%s'",
-					asir_infile->name,asir_infile->ln,str);
-				error("");
-			}
+			if ( c1 >= 0 ) goto CONFLICTION;
 		}
 		if ( CPVS != GPVS ) {
 			/* inside function : we add the name to the global list */
@@ -155,11 +157,7 @@ unsigned int makepvar(char *str)
 		c = getpvar(CPVS,str,0);
 		getpvar(CUR_MODULE->pvs,str,0);
 		c1 = getpvar(EPVS,str,1);
-		if ( c1 >= 0 ) {
-			fprintf(stderr,"\"%s\", near line %d: conflicting declarations for `%s'",
-				asir_infile->name,asir_infile->ln,str);
-			error("");
-		}
+		if ( c1 >= 0 ) goto CONFLICTION;
 		if ( CPVS != GPVS ) {
 			/* inside function */
 			CPVS->va[c].attr = IS_MGLOBAL;
@@ -167,7 +165,24 @@ unsigned int makepvar(char *str)
 	} else if ( ldef > 0 ) {
 		/* if ldef > 0, then local variables are being declared */
 		c = getpvar(CPVS,str,0);
-		CPVS->va[c].attr = IS_LOCAL;
+		c1 = getpvar(EPVS,str,1);
+		if ( c1 >= 0 ) {
+			if ( CUR_MODULE )
+				goto CONFLICTION;
+			else {
+				fprintf(stderr,"Warning: \"%s\", near line %d: conflicting declarations for `%s'\n",
+					asir_infile->name,asir_infile->ln,str);
+				fprintf(stderr,"         `%s' is bound to the global variable\n",str);
+				CPVS->va[c].attr = IS_GLOBAL;
+				c1 = getpvar(GPVS,str,1); c = PVGLOBAL((unsigned int)c1);
+			}
+		} else {
+			if ( CUR_MODULE ) {
+				c1 = getpvar(CUR_MODULE->pvs,str,1);
+			}
+			if ( c1 >= 0 ) goto CONFLICTION;
+			CPVS->va[c].attr = IS_LOCAL;
+		}
 	} else if ( CPVS != GPVS ) {
 		/* inside function */
 		if ( CUR_MODULE ) {
@@ -226,6 +241,11 @@ unsigned int makepvar(char *str)
 		c = getpvar(GPVS,str,0);
 	}
 	return c;
+
+CONFLICTION:
+	fprintf(stderr,"\"%s\", near line %d: conflicting declarations for `%s'",
+		asir_infile->name,asir_infile->ln,str);
+	error("");
 }
 
 extern FUNC parse_targetf;