libgo: Add sources for go, cgo, and gofmt commands.

The new commands are not yet built.  That will be done
separately.

Also include a few changes to go/build to support them.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219272 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 30 insertions, 0 deletions

diff --git a/libgo/go/cmd/go/fix.go b/libgo/go/cmd/go/fix.go
new file mode 100644
index 00000000000..8736cce3e2a
--- /dev/null
+++ b/libgo/go/cmd/go/fix.go
@@ -0,0 +1,30 @@
+// Copyright 2011 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
+
+var cmdFix = &Command{
+	Run:       runFix,
+	UsageLine: "fix [packages]",
+	Short:     "run go tool fix on packages",
+	Long: `
+Fix runs the Go fix command on the packages named by the import paths.
+
+For more about fix, see 'godoc fix'.
+For more about specifying packages, see 'go help packages'.
+
+To run fix with specific options, run 'go tool fix'.
+
+See also: go fmt, go vet.
+	`,
+}
+
+func runFix(cmd *Command, args []string) {
+	for _, pkg := range packages(args) {
+		// Use pkg.gofiles instead of pkg.Dir so that
+		// the command only applies to this package,
+		// not to packages in subdirectories.
+		run(stringList(tool("fix"), relPaths(pkg.allgofiles)))
+	}
+}