1// Copyright 2018 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5// This file opens a back door to the parser for golang.org/x/tools/go/gccgoexportdata.
6
7package gccgoimporter
8
9import (
10	"go/types"
11	"io"
12)
13
14// Parse reads and parses gccgo export data from in and constructs a
15// Package, inserting it into the imports map.
16func Parse(in io.Reader, imports map[string]*types.Package, path string) (_ *types.Package, err error) {
17	var p parser
18	p.init(path, in, imports)
19	defer func() {
20		switch x := recover().(type) {
21		case nil:
22			// success
23		case importError:
24			err = x
25		default:
26			panic(x) // resume unexpected panic
27		}
28	}()
29	pkg := p.parsePackage()
30	imports[path] = pkg
31	return pkg, err
32}
33