diff options
Diffstat (limited to 'src/pkg/go/printer/example_test.go')
-rw-r--r-- | src/pkg/go/printer/example_test.go | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/src/pkg/go/printer/example_test.go b/src/pkg/go/printer/example_test.go deleted file mode 100644 index e570040ba..000000000 --- a/src/pkg/go/printer/example_test.go +++ /dev/null @@ -1,67 +0,0 @@ -// 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 printer_test - -import ( - "bytes" - "fmt" - "go/ast" - "go/parser" - "go/printer" - "go/token" - "strings" - "testing" -) - -// Dummy test function so that godoc does not use the entire file as example. -func Test(*testing.T) {} - -func parseFunc(filename, functionname string) (fun *ast.FuncDecl, fset *token.FileSet) { - fset = token.NewFileSet() - if file, err := parser.ParseFile(fset, filename, nil, 0); err == nil { - for _, d := range file.Decls { - if f, ok := d.(*ast.FuncDecl); ok && f.Name.Name == functionname { - fun = f - return - } - } - } - panic("function not found") -} - -func ExampleFprint() { - // Parse source file and extract the AST without comments for - // this function, with position information referring to the - // file set fset. - funcAST, fset := parseFunc("example_test.go", "ExampleFprint") - - // Print the function body into buffer buf. - // The file set is provided to the printer so that it knows - // about the original source formatting and can add additional - // line breaks where they were present in the source. - var buf bytes.Buffer - printer.Fprint(&buf, fset, funcAST.Body) - - // Remove braces {} enclosing the function body, unindent, - // and trim leading and trailing white space. - s := buf.String() - s = s[1 : len(s)-1] - s = strings.TrimSpace(strings.Replace(s, "\n\t", "\n", -1)) - - // Print the cleaned-up body text to stdout. - fmt.Println(s) - - // output: - // funcAST, fset := parseFunc("example_test.go", "ExampleFprint") - // - // var buf bytes.Buffer - // printer.Fprint(&buf, fset, funcAST.Body) - // - // s := buf.String() - // s = s[1 : len(s)-1] - // s = strings.TrimSpace(strings.Replace(s, "\n\t", "\n", -1)) - // - // fmt.Println(s) -} |