mirror of
https://github.com/golang/go
synced 2024-10-04 06:21:23 -06:00
5a90ede8a4
- initial try-out of AST data structures - removed test_parser (not working anymore - parser needs more infrastructure) SVN=128089
74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
// Copyright 2009 The Go 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 Compilation
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import Globals "globals"
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import Object "object"
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import Type "type"
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import Universe "universe"
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import Scanner "scanner"
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import AST "ast"
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import Parser "parser"
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import Export "export"
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func BaseName(s string) string {
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// TODO this is not correct for non-ASCII strings!
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i := len(s) - 1;
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for i >= 0 && s[i] != '/' {
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if s[i] > 128 {
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panic "non-ASCII string"
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}
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i--;
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}
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return s[i + 1 : len(s)];
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}
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func FixExt(s string) string {
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i := len(s) - 3; // 3 == len(".go");
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if s[i : len(s)] == ".go" {
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s = s[0 : i];
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}
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return s + ".7";
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}
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export Compile
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func Compile(file_name string, verbose int) {
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src, ok := sys.readfile(file_name);
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if !ok {
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print "cannot open ", file_name, "\n"
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return;
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}
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Universe.Init(); // TODO eventually this should be only needed once
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comp := Globals.NewCompilation();
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pkg := Globals.NewPackage(file_name);
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comp.Insert(pkg);
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if comp.npkgs != 1 {
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panic "should have exactly one package now";
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}
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scanner := new(Scanner.Scanner);
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scanner.Open(file_name, src);
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parser := new(Parser.Parser);
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parser.Open(comp, scanner, verbose);
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print "parsing ", file_name, "\n";
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parser.ParseProgram();
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if parser.S.nerrors > 0 {
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return;
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}
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// export
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/*
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exp := new(Export.Exporter);
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exp.Export(comp, FixExt(BaseName(file_name)));
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*/
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}
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