* Added parse_jumptoeof() to set the jumptoeof flag and parse_shall_skip() to

get it.
* Adjusted parse_file() to terminate when jumptoeof was invoked and reset the
  jumptoeof flag.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@256 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tools/jam/parse.c

@@ -21,6 +21,8 @@
 
 static PARSE *yypsave;
 
+static int jumptoeof = 0;
+
 void
 parse_file( char *f )
 {
@@ -33,7 +35,7 @@ parse_file( char *f )
 	/* Execute it outside of the parser so that recursive */
 	/* calls to yyrun() work (no recursive yyparse's). */
 
-	for(;;)
+	while (!parse_shall_skip())
 	{
 	    LOL l;
 	    PARSE *p;
@@ -57,6 +59,7 @@ parse_file( char *f )
 
 	    parse_free( p );
 	}
+	jumptoeof = 0;
 }
 
 void
@@ -65,6 +68,18 @@ parse_save( PARSE *p )
 	yypsave = p;
 }
 
+void
+parse_jumptoeof()
+{
+	jumptoeof = 1;
+}
+
+int
+parse_shall_skip()
+{
+	return jumptoeof;
+}
+
 PARSE *
 parse_make( 
 	LIST	*(*func)( PARSE *p, LOL *args ),

src/tools/jam/parse.h

@@ -27,6 +27,8 @@ struct _PARSE {
 
 void 	parse_file( char *f );
 void 	parse_save( PARSE *p );
+void 	parse_jumptoeof();
+int 	parse_shall_skip();
 
 PARSE * parse_make( 
 	LIST 	*(*func)( PARSE *p, LOL *args ),