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go/usr/gri/pretty/pretty.go
Rob Pike c45d2a767c simplify flag interface. no more BVal etc. you just get a pointer.
fixed everything except the tutorial.

R=rsc
DELTA=404  (94 added, 139 deleted, 171 changed)
OCL=22414
CL=22422
2009-01-09 13:42:46 -08:00

63 lines
1.5 KiB
Go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
Flag "flag";
Platform "platform";
Printer "printer";
Compilation "compilation";
)
var (
flags Compilation.Flags;
silent = Flag.Bool("s", false, "silent mode: no pretty print output");
)
func init() {
Flag.BoolVar(&flags.verbose, "v", false, "verbose mode: trace parsing");
Flag.BoolVar(&flags.sixg, "6g", true, "6g compatibility mode");
//TODO fix this code again
//Flag.BoolVar(&flags.deps, "d", false, "print dependency information only");
Flag.BoolVar(&flags.columns, "columns", Platform.USER == "gri", "print column info in error messages");
Flag.BoolVar(&flags.testmode, "t", false, "test mode: interprets /* ERROR */ and /* SYNC */ comments");
Flag.BoolVar(&flags.tokenchan, "token_chan", false, "use token channel for scanner-parser connection");
}
func Usage() {
print("usage: pretty { flags } { files }\n");
Flag.PrintDefaults();
sys.exit(0);
}
func main() {
Flag.Parse();
if Flag.NFlag() == 0 && Flag.NArg() == 0 {
Usage();
}
// process files
for i := 0; i < Flag.NArg(); i++ {
src_file := Flag.Arg(i);
if false /* DISABLED flags.deps */ {
Compilation.ComputeDeps(src_file, &flags);
} else {
prog, nerrors := Compilation.Compile(src_file, &flags);
if nerrors > 0 {
return;
}
if !*silent && !flags.testmode {
Printer.Print(prog);
}
}
}
}