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gc: handle go print() and go println()

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Fixes #1952.

R=golang-dev, rsc
CC=golang-dev
https://golang.org/cl/4611041
This commit is contained in:
Stephen Ma 2011-06-13 22:50:51 +10:00
parent 7bc8e90e36
commit b4bb970e18
3 changed files with 27 additions and 1 deletions
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9
src/cmd/gc/walk.c
View File

@ -243,8 +243,17 @@ walkstmt(Node **np)
break; break;
case OPROC: case OPROC:
switch(n->left->op) {
case OPRINT:
case OPRINTN:
walkexprlist(n->left->list, &n->ninit);
n->left = walkprint(n->left, &n->ninit, 1);
break;
default:
walkexpr(&n->left, &n->ninit); walkexpr(&n->left, &n->ninit);
break; break;
}
break;
case ORETURN: case ORETURN:
walkexprlist(n->list, &n->ninit); walkexprlist(n->list, &n->ninit);

3
test/golden.out
View File

@ -21,6 +21,9 @@ panic: runtime error: hash of unhashable type []int
printing: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 printing: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
42 true false true +1.500000e+000 world 0x0 [0/0]0x0 0x0 0x0 255 42 true false true +1.500000e+000 world 0x0 [0/0]0x0 0x0 0x0 255
=========== ./goprint.go
42 true false true +1.500000e+000 world 0x0 [0/0]0x0 0x0 0x0 255
=========== ./helloworld.go =========== ./helloworld.go
hello, world hello, world

14
test/goprint.go Normal file
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@ -0,0 +1,14 @@
// $G $D/$F.go && $L $F.$A && ./$A.out
// 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
import "time"
func main() {
go println(42, true, false, true, 1.5, "world", (chan int)(nil), []int(nil), (map[string]int)(nil), (func())(nil), byte(255))
time.Sleep(1e6)
}