===================================================================
RCS file: /home/cvs/OpenXM_contrib2/asir2000/builtin/file.c,v
retrieving revision 1.15
retrieving revision 1.23
diff -u -p -r1.15 -r1.23
--- OpenXM_contrib2/asir2000/builtin/file.c	2001/10/09 01:36:05	1.15
+++ OpenXM_contrib2/asir2000/builtin/file.c	2006/09/13 02:26:13	1.23
@@ -45,14 +45,16 @@
  * DEVELOPER SHALL HAVE NO LIABILITY IN CONNECTION WITH THE USE,
  * PERFORMANCE OR NON-PERFORMANCE OF THE SOFTWARE.
  *
- * $OpenXM: OpenXM_contrib2/asir2000/builtin/file.c,v 1.14 2001/08/20 09:03:24 noro Exp $ 
+ * $OpenXM: OpenXM_contrib2/asir2000/builtin/file.c,v 1.22 2006/02/08 02:11:19 noro Exp $ 
 */
 #include "ca.h"
 #include "parse.h"
 #include "ox.h"
 #include "base.h"
+#if !defined(VISUAL)
 #include "unistd.h"
-#if PARI
+#endif
+#if defined(PARI)
 #include "genpari.h"
 #endif
 
@@ -75,7 +77,7 @@ void Pbsave_compat(), Pbload_compat();
 void Pbsave_cmo(), Pbload_cmo();
 void Popen_file(), Pclose_file(), Pget_line(), Pget_byte(), Pput_byte();
 void Ppurge_stdin();
-void Pload_exec();
+void Pimport();
 
 extern int des_encryption;
 extern char *asir_libdir;
@@ -90,7 +92,7 @@ struct ftab file_tab[] = {
 	{"remove_file",Premove_file,1},
 	{"access",Paccess,1},
 	{"load",Pload,-1},
-	{"load_exec",Pload_exec,1},
+	{"import",Pimport,-1},
 	{"which",Pwhich,1},
 	{"loadfiles",Ploadfiles,1},
 	{"output",Poutput,-1},
@@ -129,11 +131,19 @@ void Popen_file(NODE arg,Q *rp)
 	if ( i == BUFSIZ )
 		error("open_file : too many open files");
 	name = BDY((STRING)ARG0(arg));
-	if ( argc(arg) == 2 ) {
+	if (strcmp(name,"unix://stdin") == 0) {
+	  fp = stdin;
+	}else if (strcmp(name,"unix://stdout") == 0) {
+	  fp = stdout;
+    }else if (strcmp(name,"unix://stderr") == 0) {
+	  fp = stderr;
+    }else{
+	  if ( argc(arg) == 2 ) {
 		asir_assert(ARG1(arg),O_STR,"open_file");
 		fp = fopen(name,BDY((STRING)ARG1(arg)));
-	} else
+	  } else
 		fp = fopen(name,"r");
+    }
 	if ( !fp ) {
 		sprintf(errbuf,"open_file : cannot open \"%s\"",name);
 		error(errbuf);
@@ -225,20 +235,30 @@ void Pget_byte(NODE arg,Q *rp)
 		error("get_byte : invalid argument");
 }
 
-void Pput_byte(NODE arg,Q *rp)
+void Pput_byte(NODE arg,Obj *rp)
 {
-	int i,c;
+	int i,j,c;
 	FILE *fp;
+	Obj obj;
+	TB tb;
 
 	asir_assert(ARG0(arg),O_N,"put_byte");
-	asir_assert(ARG1(arg),O_N,"put_byte");
 	i = QTOS((Q)ARG0(arg));
-	c = QTOS((Q)ARG1(arg));
-	if ( fp = file_ptrs[i] ) {
-		putc(c,fp);
-		STOQ(c,*rp);
-	} else
+	if ( !(fp = file_ptrs[i]) )
 		error("put_byte : invalid argument");
+
+	obj = (Obj)ARG1(arg);
+	if ( !obj || OID(obj) == O_N ) {
+		c = QTOS((Q)obj);
+		putc(c,fp);
+	} else if ( OID(obj) == O_STR )
+		fputs(BDY((STRING)obj),fp);
+	else if ( OID(obj) == O_TB ) {
+		tb = (TB)obj;
+		for ( j = 0; j < tb->next; j++ )
+			fputs(tb->body[j],fp);
+	}
+	*rp = obj;
 }
 
 void Pload(NODE arg,Q *rp)
@@ -247,6 +267,7 @@ void Pload(NODE arg,Q *rp)
 	char *name,*name0;
 	char errbuf[BUFSIZ];
 
+	if ( !arg ) error("load : invalid argument");
 	if ( ARG0(arg) ) {
 		switch (OID(ARG0(arg))) {
 			case O_STR:
@@ -256,11 +277,7 @@ void Pload(NODE arg,Q *rp)
 					sprintf(errbuf,"load : \"%s\" not found in the search path",name0);
 					error(errbuf);
 				}
-				ret = loadfile(name);
-				if ( !ret ) {
-					sprintf(errbuf,"load : \"%s\" could not be loaded",name);
-					error(errbuf);
-				}
+				execasirfile(name);
 				break;
 			default:
 				error("load : invalid argument");
@@ -270,20 +287,31 @@ void Pload(NODE arg,Q *rp)
 	STOQ(ret,*rp);
 }
 
-void Pload_exec(NODE arg,Q *rp)
+NODE imported_files;
+
+void Pimport(NODE arg,Q *rp)
 {
-	int ret;
-	char *name0,*name;
+	char *name;
+	NODE t,p,opt;
 
-	name0 = BDY((STRING)ARG0(arg));
-	searchasirpath(name0,&name);
-	if ( !name )
-		ret = -1;
-	else {
-		load_and_execfile(name);
-		ret = 0;
+	name = BDY((STRING)ARG0(arg));
+	for ( t = imported_files; t; t = NEXT(t) )
+		if ( !strcmp((char *)BDY(t),name) ) break;
+	if ( !t ) {
+		Pload(arg,rp);
+		MKNODE(t,name,imported_files); 
+		imported_files = t;
+		return;
+	} else if ( current_option ) {
+		for ( opt = current_option; opt; opt = NEXT(opt) ) {
+			p = BDY((LIST)BDY(opt));
+			if ( !strcmp(BDY((STRING)BDY(p)),"reimport") && BDY(NEXT(p)) ) {
+				Pload(arg,rp);
+				return;
+			}
+		}
 	}
-	STOQ(ret,*rp);
+	*rp = 0;
 }
 
 void Pwhich(NODE arg,STRING *rp)
@@ -321,7 +349,7 @@ void Ploadfiles(NODE arg,Q *rp)
 
 void Poutput(NODE arg,Q *rp)
 {
-#if PARI
+#if defined(PARI)
 	extern FILE *outfile;
 #endif
 	FILE *fp;
@@ -339,7 +367,7 @@ void Poutput(NODE arg,Q *rp)
 				error("output : invalid filename");
 			break;
 	}
-#if PARI
+#if defined(PARI)
 	pari_outfile =
 #endif
 	asir_out = fp;