===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/parse/parse.y,v
retrieving revision 1.15
retrieving revision 1.26
diff -u -p -r1.15 -r1.26
--- OpenXM_contrib2/asir2000/parse/parse.y	2003/05/14 06:20:12	1.15
+++ OpenXM_contrib2/asir2000/parse/parse.y	2005/04/07 08:33:12	1.26
@@ -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/parse.y,v 1.14 2002/12/22 02:08:29 takayama Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/parse/parse.y,v 1.25 2004/06/21 09:05:16 noro Exp $ 
 */
 %{
 #define malloc(x) GC_malloc(x)
@@ -63,7 +63,7 @@
 
 #define NOPR (prresult=0)
 
-extern int gdef,mgdef;
+extern int gdef,mgdef,ldef;
 extern SNODE parse_snode;
 extern int main_parser, allow_create_var;
 
@@ -89,7 +89,8 @@ extern jmp_buf env;
 	pointer p;
 }
 
-%token <i> STRUCT POINT NEWSTRUCT ANS FDEF PFDEF MODDEF GLOBAL MGLOBAL CMP OR AND CAR CDR QUOTED
+%token <i> STRUCT POINT NEWSTRUCT ANS FDEF PFDEF MODDEF MODEND
+%token <i> GLOBAL MGLOBAL LOCAL LOCALF CMP OR AND CAR CDR QUOTED COLONCOLON
 %token <i> DO WHILE FOR IF ELSE BREAK RETURN CONTINUE PARIF MAP RECMAP TIMER GF2NGEN GFPNGEN GFSNGEN GETOPT
 %token <i> FOP_AND FOP_OR FOP_IMPL FOP_REPL FOP_EQUIV FOP_NOT LOP
 %token <p> FORMULA UCASE LCASE STR SELF BOPASS
@@ -98,10 +99,11 @@ extern jmp_buf env;
 %type <p> desc rawstr
 %type <f> expr pexpr opt
 %type <s> stat complex
-%type <n> stats node _node pvars members optlist
+%type <n> stats node _node pvars vars members optlist
 
 %right '=' BOPASS
 %right '?' ':'
+%left '`'
 %right FOP_NOT
 %left FOP_EQUIV
 %left FOP_REPL
@@ -126,16 +128,26 @@ extern jmp_buf env;
 %%
 
 start 	: stat
-			{ parse_snode = $1; YYACCEPT; }
+			{ 
+				parse_snode = $1; 
+				if ( yychar >= 0 ) 
+					fprintf(stderr,
+						"Warning: a token was wasted after an 'if' statement without 'else'.\n");
+				YYACCEPT; 
+			}
 	  	;
 stat 	: tail
 			{ $$ = 0; }
 		| GLOBAL { gdef=1; } pvars { gdef=0; } tail
-			{ $$ = 0; }
+			{ $$ = 0; NOPR; }
 		| MGLOBAL { mgdef=1; } pvars { mgdef=0; } tail
-			{ $$ = 0; }
+			{ $$ = 0; NOPR; }
+		| LOCAL { ldef=1; } pvars { ldef=0; } tail
+			{ $$ = 0; NOPR; }
+		| LOCALF vars tail
+			{ appenduflist($2); $$ = 0; NOPR; }
 		| STRUCT rawstr '{' members '}' tail
-			{ structdef($2,$4); $$ = 0; }
+			{ structdef($2,$4); $$ = 0; NOPR; }
 		| expr tail
 			{ $$ = mksnode(1,S_SINGLE,$1); }
 		| complex
@@ -160,19 +172,18 @@ stat 	: tail
 			{ $$ = mksnode(3,S_DO,$1,$2,$5); }
 		| LCASE '(' node ')' ':' '=' expr tail
 			{ $$ = mksnode(3,S_PFDEF,$1,$3,$7); NOPR; }
-		| PFDEF LCASE '(' node ')'
+		| PFDEF LCASE '(' node ')' tail
 			{ $$ = mksnode(3,S_PFDEF,$2,$4,0); NOPR; }
-		| FDEF LCASE { mkpvs(); } '(' node ')' desc '{' stats '}'
+		| FDEF LCASE { mkpvs($2); } '(' { ldef = 1; } node { ldef = -1; } ')' desc '{' stats '}'
 			{
-				mkuf($2,asir_infile->name,$5,
-					mksnode(1,S_CPLX,$9),$1,asir_infile->ln,$7,CUR_MODULE); 
+				mkuf($2,asir_infile->name,$6,
+					mksnode(1,S_CPLX,$11),$1,asir_infile->ln,$9,CUR_MODULE); 
 				$$ = 0; NOPR; 
 			}
-		| MODDEF LCASE { CUR_MODULE = mkmodule($2); } '{' stats '}'
-			{
-				CUR_MODULE = 0;
-				$$ = 0; NOPR;
-			}
+		| MODDEF LCASE tail
+			{ CUR_MODULE = mkmodule($2); MPVS = CUR_MODULE->pvs; $$ = 0; NOPR; }
+		| MODEND tail
+			{ CUR_MODULE = 0; MPVS = 0; $$ = 0; NOPR; }
 	  	| error tail
 			{ yyerrok; $$ = 0; }
 		;
@@ -194,6 +205,11 @@ members	: rawstr
 		| members ',' rawstr
 			{ appendtonode($1,$3,&$$); }
 		;
+vars	: LCASE
+			{ MKNODE($$,$1,0); }
+		| vars ',' LCASE
+			{ appendtonode($1,$3,&$$); }
+		;
 pvars	: UCASE
 			{ val = (pointer)makepvar($1); MKNODE($$,val,0); }
 		| pvars ',' UCASE
@@ -251,13 +267,7 @@ pexpr	: STR
 					if ( f )
 						$$ = mkfnode(2,I_FUNC,f,mkfnode(1,I_LIST,0));
 					else {
-						searchf(sysf,$1,&f); 
-						if ( !f )
-							searchf(ubinf,$1,&f);
-						if ( !f )
-							searchpf($1,&f);
-						if ( !f )
-							searchf(usrf,$1,&f);
+						gen_searchf_searchonly($1,(FUNC *)&f);
 						if ( f )
 							makesrvar(f,(P *)&val);
 						else
@@ -269,23 +279,27 @@ pexpr	: STR
 		| LCASE '(' node ')' 
 			{
 				gen_searchf($1,(FUNC *)&val);
+				print_crossref(val);
 				$$ = mkfnode(2,I_FUNC,val,mkfnode(1,I_LIST,$3));
 			}
 
 		| LCASE '(' node '|' optlist ')' 
 			{
 				gen_searchf($1,(FUNC *)&val);
+				print_crossref(val);
 				$$ = mkfnode(3,I_FUNC_OPT,val,
 					mkfnode(1,I_LIST,$3),mkfnode(1,I_LIST,$5));
 			}
 		| MAP '(' LCASE ',' node ')' 
 			{
 				gen_searchf($3,(FUNC *)&val);
+				print_crossref(val);
 				$$ = mkfnode(2,I_MAP,val,mkfnode(1,I_LIST,$5));
 			}
 		| RECMAP '(' LCASE ',' node ')' 
 			{
 				gen_searchf($3,(FUNC *)&val);
+				print_crossref(val);
 				$$ = mkfnode(2,I_RECMAP,val,mkfnode(1,I_LIST,$5));
 			}
 		| LCASE '{' node '}' '(' node ')' 
@@ -323,6 +337,20 @@ pexpr	: STR
 			{
 				$$ = mkfnode(2,I_IFUNC,$3,mkfnode(1,I_LIST,$6));
 			}	
+		| UCASE '(' node ')'
+			{
+				if ( main_parser || allow_create_var )
+					t = mkfnode(2,I_PVAR,makepvar($1),0);
+				else {
+					ind = searchpvar($1);
+					if ( ind == -1 ) {
+						fprintf(stderr,"%s : no such variable.\n",$1);
+						YYABORT;
+					} else
+						t = mkfnode(2,I_PVAR,ind,0);
+				}
+				$$ = mkfnode(2,I_IFUNC,t,mkfnode(1,I_LIST,$3));
+			}	
 		| CAR '(' expr ')'
 			{ $$ = mkfnode(1,I_CAR,$3); }
 		| CDR '(' expr ')'
@@ -415,5 +443,7 @@ expr 	: pexpr
 			{ $$ = mkfnode(1,I_NEWCOMP,(int)structtoindex($3)); }
 		| QUOTED '(' expr ')'
 			{ MKQUOTE(quote,$3); $$ = mkfnode(1,I_FORMULA,(pointer)quote); }
+		| '`' expr
+			{ MKQUOTE(quote,$2); $$ = mkfnode(1,I_FORMULA,(pointer)quote); }
 	 	;
 %%