===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/parse/parse.y,v
retrieving revision 1.6
retrieving revision 1.26
diff -u -p -r1.6 -r1.26
--- OpenXM_contrib2/asir2000/parse/parse.y	2001/04/20 02:34:24	1.6
+++ 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 1.5 2000/12/05 01:24:57 noro 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)
@@ -63,9 +63,9 @@
 
 #define NOPR (prresult=0)
 
-extern int gdef;
+extern int gdef,mgdef,ldef;
 extern SNODE parse_snode;
-extern int main_parser;
+extern int main_parser, allow_create_var;
 
 int prresult;
 
@@ -89,8 +89,9 @@ extern jmp_buf env;
 	pointer p;
 }
 
-%token <i> STRUCT POINT NEWSTRUCT ANS FDEF PFDEF GLOBAL CMP OR AND CAR CDR QUOTED
-%token <i> DO WHILE FOR IF ELSE BREAK RETURN CONTINUE PARIF MAP TIMER GF2NGEN GFPNGEN GETOPT
+%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
 %token <p> '+' '-' '*' '/' '^' '%'
@@ -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
@@ -126,14 +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; 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
 			{ $$ = mksnode(1,S_SINGLE,$1); }
 		| complex
@@ -158,14 +172,18 @@ stat 	: tail
 			{ $$ = 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); 
+				mkuf($2,asir_infile->name,$6,
+					mksnode(1,S_CPLX,$11),$1,asir_infile->ln,$9,CUR_MODULE); 
 				$$ = 0; NOPR; 
 			}
+		| MODDEF LCASE tail
+			{ CUR_MODULE = mkmodule($2); MPVS = CUR_MODULE->pvs; $$ = 0; NOPR; }
+		| MODEND tail
+			{ CUR_MODULE = 0; MPVS = 0; $$ = 0; NOPR; }
 	  	| error tail
 			{ yyerrok; $$ = 0; }
 		;
@@ -173,6 +191,7 @@ tail	: ';' 
 			{ if ( main_parser ) prresult = 1; } 
 		| '$' 
 			{ if ( main_parser ) prresult = 0; } 
+;
 desc	:
 			{ $$ = 0; }
 		| STR
@@ -186,6 +205,11 @@ members	: rawstr
 		| members ',' rawstr
 			{ appendtonode($1,$3,&$$); }
 		;
+vars	: LCASE
+			{ MKNODE($$,$1,0); }
+		| vars ',' LCASE
+			{ appendtonode($1,$3,&$$); }
+		;
 pvars	: UCASE
 			{ val = (pointer)makepvar($1); MKNODE($$,val,0); }
 		| pvars ',' UCASE
@@ -229,6 +253,8 @@ pexpr	: STR
 			{ $$ = mkfnode(0,I_GF2NGEN); }
 		| GFPNGEN
 			{ $$ = mkfnode(0,I_GFPNGEN); }
+		| GFSNGEN
+			{ $$ = mkfnode(0,I_GFSNGEN); }
 	 	| LCASE
 			{
 				FUNC f;
@@ -241,13 +267,7 @@ pexpr	: STR
 					if ( f )
 						$$ = mkfnode(2,I_FUNC,f,mkfnode(1,I_LIST,0));
 					else {
-						searchf(sysf,$1,&f); 
-						if ( !f )
-							searchf(ubinf,$1,&f);
-						if ( !f )
-							searchpf($1,&f);
-						if ( !f )
-							searchf(usrf,$1,&f);
+						gen_searchf_searchonly($1,(FUNC *)&f);
 						if ( f )
 							makesrvar(f,(P *)&val);
 						else
@@ -258,32 +278,30 @@ pexpr	: STR
 			}
 		| LCASE '(' node ')' 
 			{
-				searchf(sysf,$1,(FUNC *)&val); 
-				if ( !val )
-					searchf(ubinf,$1,(FUNC *)&val);
-				if ( !val )
-					searchpf($1,(FUNC *)&val);
-				if ( !val )
-					searchf(usrf,$1,(FUNC *)&val);
-				if ( !val )
-					appenduf($1,(FUNC *)&val);
+				gen_searchf($1,(FUNC *)&val);
+				print_crossref(val);
 				$$ = mkfnode(2,I_FUNC,val,mkfnode(1,I_LIST,$3));
 			}
 
 		| LCASE '(' node '|' optlist ')' 
 			{
-				searchf(sysf,$1,(FUNC *)&val); 
-				if ( !val )
-					searchf(ubinf,$1,(FUNC *)&val);
-				if ( !val )
-					searchpf($1,(FUNC *)&val);
-				if ( !val )
-					searchf(usrf,$1,(FUNC *)&val);
-				if ( !val )
-					appenduf($1,(FUNC *)&val);
+				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);
+				$$ = mkfnode(2,I_RECMAP,val,mkfnode(1,I_LIST,$5));
+			}
 		| LCASE '{' node '}' '(' node ')' 
 			{
 				searchpf($1,(FUNC *)&val);
@@ -293,23 +311,21 @@ pexpr	: STR
 			{
 				$$ = mkfnode(2,I_GETOPT,$3);
 			}
-		| MAP '(' LCASE ',' node ')' 
+		| GETOPT '(' ')'
 			{
-				searchf(sysf,$3,(FUNC *)&val); 
-				if ( !val )
-					searchf(ubinf,$3,(FUNC *)&val);
-				if ( !val )
-					searchpf($3,(FUNC *)&val);
-				if ( !val )
-					searchf(usrf,$3,(FUNC *)&val);
-				if ( !val )
-					appenduf($3,(FUNC *)&val);
-				$$ = mkfnode(2,I_MAP,val,mkfnode(1,I_LIST,$5));
+				$$ = mkfnode(2,I_GETOPT,0);
 			}
 		| TIMER '(' expr ',' expr ',' expr ')'
 			{
 				$$ = mkfnode(3,I_TIMER,$3,$5,$7);
 			}
+		| PARIF '(' LCASE ')'
+			{
+				searchf(parif,$3,(FUNC *)&val);
+				if ( !val )
+					mkparif($3,(FUNC *)&val);
+				$$ = mkfnode(2,I_FUNC,val,0);
+			}
 		| PARIF '(' LCASE ',' node ')'
 			{
 				searchf(parif,$3,(FUNC *)&val);
@@ -321,15 +337,29 @@ 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 ')'
 			{ $$ = mkfnode(1,I_CAR,$3); }
 		| CDR '(' expr ')'
 			{ $$ = mkfnode(1,I_CDR,$3); }
 		| '(' expr ')'
-			{ $$ = $2; }
+			{ $$ = mkfnode(1,I_PAREN,$2); }
 		| UCASE
 			{ 
-				if ( main_parser )
+				if ( main_parser || allow_create_var )
 					$$ = mkfnode(2,I_PVAR,makepvar($1),0);
 				else {
 					ind = searchpvar($1);
@@ -370,7 +400,7 @@ expr 	: pexpr
 	 	| '+' expr 	%prec PLUS
 			{ $$ = $2; }
 	 	| '-' expr 	%prec MINUS
-			{ $$ = mkfnode(3,I_BOP,$1,0,$2); }
+			{ $$ = mkfnode(1,I_MINUS,$2); }
 	 	| expr '+' expr
 			{ $$ = mkfnode(3,I_BOP,$2,$1,$3); }
 	 	| expr '-' expr
@@ -413,5 +443,7 @@ expr 	: pexpr
 			{ $$ = 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); }
 	 	;
 %%