9350942b20
This change allows clients to generate IR using "files" received from locations other than the file system. The regular file parser is moved to a new library, "driver", which is intended to eventually contain much of the logic from the existing driver. Differential Revision: http://reviews.llvm.org/D6794 llvm-svn: 225026
44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
//===- parser.go - parser wrapper -----------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains functions for calling the parser in an appropriate way for
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// llgo.
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//
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//===----------------------------------------------------------------------===//
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package driver
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import (
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"fmt"
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"go/ast"
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"go/parser"
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"go/scanner"
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"go/token"
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)
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func parseFile(fset *token.FileSet, filename string) (*ast.File, error) {
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// Retain comments; this is important for annotation processing.
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mode := parser.DeclarationErrors | parser.ParseComments
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return parser.ParseFile(fset, filename, nil, mode)
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}
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func ParseFiles(fset *token.FileSet, filenames []string) ([]*ast.File, error) {
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files := make([]*ast.File, len(filenames))
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for i, filename := range filenames {
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file, err := parseFile(fset, filename)
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if _, ok := err.(scanner.ErrorList); ok {
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return nil, err
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} else if err != nil {
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return nil, fmt.Errorf("%q: %v", filename, err)
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}
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files[i] = file
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}
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return files, nil
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}
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