mirror of https://github.com/go-python/gopy.git
85 lines
1.5 KiB
Go
85 lines
1.5 KiB
Go
// Copyright 2015 The go-python Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package bind
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import (
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"bytes"
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"fmt"
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"go/token"
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"io"
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"os"
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)
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// ErrorList is a list of errors
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type ErrorList []error
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func (list ErrorList) Error() string {
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buf := new(bytes.Buffer)
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for i, err := range list {
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if i > 0 {
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buf.WriteRune('\n')
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}
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io.WriteString(buf, err.Error())
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}
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return buf.String()
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}
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// GenCPython generates a (C)Python package from a Go package
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func GenCPython(w io.Writer, fset *token.FileSet, pkg *Package, lang int) error {
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gen := &cpyGen{
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decl: &printer{buf: new(bytes.Buffer), indentEach: []byte("\t")},
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impl: &printer{buf: new(bytes.Buffer), indentEach: []byte("\t")},
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fset: fset,
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pkg: pkg,
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lang: lang,
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}
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err := gen.gen()
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if err != nil {
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return err
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}
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_, err = io.Copy(w, gen.decl)
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if err != nil {
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return err
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}
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_, err = io.Copy(w, gen.impl)
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if err != nil {
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return err
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}
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return err
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}
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// GenGo generates a cgo package from a Go package
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func GenGo(w io.Writer, fset *token.FileSet, pkg *Package, lang int) error {
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buf := new(bytes.Buffer)
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gen := &goGen{
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printer: &printer{buf: buf, indentEach: []byte("\t")},
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fset: fset,
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pkg: pkg,
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lang: lang,
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}
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err := gen.gen()
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if err != nil {
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return err
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}
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_, err = io.Copy(w, gen.buf)
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return err
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}
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const (
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doDebug = true
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)
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func debugf(format string, args ...interface{}) (int, error) {
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if doDebug {
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return fmt.Fprintf(os.Stderr, format, args...)
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}
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return 0, nil
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}
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