From: Robert Griesemer <gri@golang.org>
Date: Fri, 17 Feb 2012 17:31:42 +0000 (-0800)
Subject: go/parser: example for ParseFile use
X-Git-Tag: weekly.2012-02-22~148
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=f7ce57b1c89323c5f2931d2d4a2a9ee715e54b90;p=gostls13.git

go/parser: example for ParseFile use

R=r
CC=golang-dev
https://golang.org/cl/5675074
---

diff --git a/src/pkg/go/parser/example_test.go b/src/pkg/go/parser/example_test.go
new file mode 100644
index 0000000000..3c58e63a99
--- /dev/null
+++ b/src/pkg/go/parser/example_test.go
@@ -0,0 +1,34 @@
+// Copyright 2012 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 parser_test
+
+import (
+	"fmt"
+	"go/parser"
+	"go/token"
+)
+
+func ExampleParseFile() {
+	fset := token.NewFileSet() // positions are relative to fset
+
+	// Parse the file containing this very example
+	// but stop after processing the imports.
+	f, err := parser.ParseFile(fset, "example_test.go", nil, parser.ImportsOnly)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	// Print the imports from the file's AST.
+	for _, s := range f.Imports {
+		fmt.Println(s.Path.Value)
+	}
+
+	// output:
+	//
+	// "fmt"
+	// "go/parser"
+	// "go/token"
+}