- first cut a Go parser in Go

SVN=126242

1 files changed, 40 insertions, 0 deletions

diff --git a/usr/gri/src/test_parser.go b/usr/gri/src/test_parser.go
new file mode 100644
index 000000000..a85e9b927
--- /dev/null
+++ b/usr/gri/src/test_parser.go
@@ -0,0 +1,40 @@
+// Copyright 2009 The Go Authors.  All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import Scanner "scanner"
+import Parser "parser"
+
+
+func Parse(src string, verbose bool) {
+	S := new(Scanner.Scanner);
+	S.Open(src);
+	
+	P := new(Parser.Parser);
+	P.Open(S, verbose);
+	
+	P.ParseProgram();
+}
+
+
+func main() {
+	verbose := false;
+	for i := 1; i < sys.argc(); i++ {
+		if sys.argv(i) == "-v" {
+			verbose = true;
+			continue;
+		}
+		
+		var src string;
+		var ok bool;
+		src, ok = sys.readfile(sys.argv(i));
+		if ok {
+			print "parsing " + sys.argv(i) + "\n";
+			Parse(src, verbose);
+		} else {
+			print "error: cannot read " + sys.argv(i) + "\n";
+		}
+	}
+}