===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/parse/lex.c,v
retrieving revision 1.32
retrieving revision 1.37
diff -u -p -r1.32 -r1.37
--- OpenXM_contrib2/asir2000/parse/lex.c	2004/03/26 08:25:37	1.32
+++ OpenXM_contrib2/asir2000/parse/lex.c	2005/12/10 14:14:16	1.37
@@ -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/lex.c,v 1.31 2004/03/04 07:11:01 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/parse/lex.c,v 1.36 2005/10/26 07:33:03 noro Exp $ 
 */
 #include <ctype.h>
 #include "ca.h"
@@ -67,6 +67,7 @@ static int skipspace();
 
 extern INFILE asir_infile;
 extern struct oTKWD kwd[];
+extern Obj VOIDobj;
 
 extern int main_parser;
 extern char *parse_strp;
@@ -188,6 +189,8 @@ int yylex()
 					c1 = Getc();
 					if ( c1 == 'n' ) {
 						c1 = '\n';
+					}else if ( c1 == 'r' ) {
+						c1 = '\r';
                     }else if ( c1 == 't' ) {
                         c1 = '\t';
                     }else if ( isdigit(c1) ){
@@ -317,7 +320,7 @@ int yylex()
 		}
 		yylvalp->p = (pointer)r;
 		return ( FORMULA );
-	} else if ( isalpha(c) || c == ':' ) {
+	} else if ( isalpha(c) || c == ':' || c == '_' ) {
 		if ( c == ':' ) {
 			c1 = Getc();
 			if ( c1 != ':' ) {
@@ -345,7 +348,7 @@ int yylex()
 				break;
 		}
 		REALLOC_TBUF tbuf[i] = 0; Ungetc(c); 
-		if ( isupper(tbuf[0]) ) {
+		if ( isupper(tbuf[0]) || (tbuf[0] == '_' && isupper(tbuf[1])) ) {
 			cptr = (char *)MALLOC(strlen(tbuf)+1); strcpy(cptr,tbuf);
 			yylvalp->p = (pointer)cptr;
 			return UCASE;
@@ -416,7 +419,10 @@ int yylex()
 				return GFPNGEN;
 			else if ( !strcmp(tbuf,"@s") )
 				return GFSNGEN;
-			else if ( !strcmp(tbuf,"@i") ) {
+			else if ( !strcmp(tbuf,"@void") ) {
+				yylvalp->p = VOIDobj;
+				return FORMULA;
+			} else if ( !strcmp(tbuf,"@i") ) {
 				extern pointer IU;
 
 				yylvalp->p = IU;
@@ -478,8 +484,6 @@ void purge_stdin()
 #endif
 }
 
-extern int asir_texmacs;
-
 static int skipspace() {
 	int c,c1;
 
@@ -720,7 +724,7 @@ char *readline_console(char *prompt)
                         exp_result = history_expand(line,&expansion);
                         if ( !exp_result ) {
                                 free(expansion);
-                                for ( ; isspace(*line); line++ );
+                                for ( ; isspace((unsigned char)*line); line++ );
                                 add_history(line);
                                 break;
                         } else if ( exp_result > 0 ) {