github.com/v2fly/tools@v0.100.0/go/internal/gccgoimporter/backdoor.go (about)

     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 github.com/v2fly/tools/go/gccgoexportdata.
     6  
     7  package gccgoimporter
     8  
     9  import (
    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.
    16  func 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  }