2008-10-23 18:13:34 -06:00
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// 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 main
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import (
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"reflect"
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)
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var doprint bool = false
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func is_digit(c uint8) bool {
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return '0' <= c && c <= '9'
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}
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// streq, but '@' in t matches a string of digits
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func match(s, t string) bool {
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for i, j := 0, 0; i < len(s) && j < len(t); i, j = i+1, j+1 {
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if s[i] == t[j] {
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continue
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}
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if is_digit(s[i]) && t[j] == '@' {
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for is_digit(s[i+1]) {
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i++
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}
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} else {
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return false
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}
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}
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return true;
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}
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func assert(s, t string) {
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if doprint {
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println(t)
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}
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if !match(s, t) {
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panicln(s, t)
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}
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}
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func typedump(s, t string) {
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typ := reflect.ParseTypeString("", s);
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assert(reflect.TypeToString(typ, true), t);
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}
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func valuedump(s, t string) {
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typ := reflect.ParseTypeString("", s);
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v := reflect.NewInitValue(typ);
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switch v.Kind() {
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2008-10-29 16:31:02 -06:00
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case reflect.IntKind:
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v.(reflect.IntValue).Put(132);
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2008-10-23 18:13:34 -06:00
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case reflect.Int8Kind:
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v.(reflect.Int8Value).Put(8);
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case reflect.Int16Kind:
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v.(reflect.Int16Value).Put(16);
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case reflect.Int32Kind:
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v.(reflect.Int32Value).Put(32);
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case reflect.Int64Kind:
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v.(reflect.Int64Value).Put(64);
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case reflect.UintKind:
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v.(reflect.UintValue).Put(132);
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2008-10-23 18:13:34 -06:00
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case reflect.Uint8Kind:
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v.(reflect.Uint8Value).Put(8);
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case reflect.Uint16Kind:
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v.(reflect.Uint16Value).Put(16);
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case reflect.Uint32Kind:
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v.(reflect.Uint32Value).Put(32);
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case reflect.Uint64Kind:
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v.(reflect.Uint64Value).Put(64);
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case reflect.FloatKind:
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v.(reflect.FloatValue).Put(3200.0);
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2008-10-23 18:13:34 -06:00
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case reflect.Float32Kind:
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v.(reflect.Float32Value).Put(32.0);
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case reflect.Float64Kind:
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v.(reflect.Float64Value).Put(64.0);
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case reflect.StringKind:
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v.(reflect.StringValue).Put("stringy cheese");
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2008-10-31 17:34:47 -06:00
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case reflect.BoolKind:
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v.(reflect.BoolValue).Put(true);
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2008-10-23 18:13:34 -06:00
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}
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assert(reflect.ValueToString(v), t);
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}
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export type empty interface {}
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export type T struct { a int; b float64; c string; d *int }
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func main() {
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var s string;
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var t reflect.Type;
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2008-11-02 13:32:14 -07:00
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typedump("missing", "$missing$");
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2008-10-29 16:31:02 -06:00
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typedump("int", "int");
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typedump("int8", "int8");
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typedump("int16", "int16");
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typedump("int32", "int32");
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typedump("int64", "int64");
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typedump("uint", "uint");
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typedump("uint8", "uint8");
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typedump("uint16", "uint16");
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typedump("uint32", "uint32");
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typedump("uint64", "uint64");
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typedump("float", "float");
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2008-10-23 18:13:34 -06:00
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typedump("float32", "float32");
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typedump("float64", "float64");
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typedump("float80", "float80");
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typedump("int8", "int8");
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2008-11-02 13:32:14 -07:00
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typedump("whoknows.whatsthis", "$missing$");
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2008-10-23 18:13:34 -06:00
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typedump("**int8", "**int8");
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typedump("**P.integer", "**P.integer");
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typedump("[32]int32", "[32]int32");
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typedump("[]int8", "[]int8");
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typedump("*map[string]int32", "*map[string]int32");
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typedump("*chan<-string", "*chan<-string");
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typedump("struct {c *chan *int32; d float32}", "struct{c *chan*int32; d float32}");
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typedump("*(a int8, b int32)", "*(a int8, b int32)");
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typedump("struct {c *(? *chan *P.integer, ? *int8)}", "struct{c *(? *chan*P.integer, ? *int8)}");
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typedump("struct {a int8; b int32}", "struct{a int8; b int32}");
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typedump("struct {a int8; b int8; b int32}", "struct{a int8; b int8; b int32}");
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typedump("struct {a int8; b int8; c int8; b int32}", "struct{a int8; b int8; c int8; b int32}");
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typedump("struct {a int8; b int8; c int8; d int8; b int32}", "struct{a int8; b int8; c int8; d int8; b int32}");
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typedump("struct {a int8; b int8; c int8; d int8; e int8; b int32}", "struct{a int8; b int8; c int8; d int8; e int8; b int32}");
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2008-10-30 18:29:53 -06:00
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typedump("struct {a int8 \"hi there\"; }", "struct{a int8 \"hi there\"}");
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2008-10-31 16:26:14 -06:00
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typedump("struct {a int8 \"hi \\x00there\\t\\n\\\"\\\\\"; }", "struct{a int8 \"hi \\x00there\\t\\n\\\"\\\\\"}");
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2008-11-03 16:50:11 -07:00
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typedump("struct {f *(args ...)}", "struct{f *(args ...)}");
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2008-10-23 18:13:34 -06:00
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valuedump("int8", "8");
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valuedump("int16", "16");
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valuedump("int32", "32");
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valuedump("int64", "64");
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valuedump("uint8", "8");
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valuedump("uint16", "16");
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valuedump("uint32", "32");
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valuedump("uint64", "64");
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valuedump("float32", "+3.200000e+01");
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valuedump("float64", "+6.400000e+01");
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valuedump("string", "stringy cheese");
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valuedump("bool", "true");
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2008-10-23 18:13:34 -06:00
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valuedump("*int8", "*int8(0)");
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valuedump("**int8", "**int8(0)");
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valuedump("[5]int32", "[5]int32{0, 0, 0, 0, 0}");
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valuedump("**P.integer", "**P.integer(0)");
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valuedump("*map[string]int32", "*map[string]int32(0)");
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valuedump("*chan<-string", "*chan<-string(0)");
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valuedump("struct {c *chan *int32; d float32}", "struct{c *chan*int32; d float32}{*chan*int32(0), +0.000000e+00}");
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valuedump("*(a int8, b int32)", "*(a int8, b int32)(0)");
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valuedump("struct {c *(? *chan *P.integer, ? *int8)}", "struct{c *(? *chan*P.integer, ? *int8)}{*(? *chan*P.integer, ? *int8)(0)}");
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valuedump("struct {a int8; b int32}", "struct{a int8; b int32}{0, 0}");
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valuedump("struct {a int8; b int8; b int32}", "struct{a int8; b int8; b int32}{0, 0, 0}");
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{ var tmp = 123;
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value := reflect.NewValue(tmp);
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assert(reflect.ValueToString(value), "123");
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}
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{ var tmp = 123.4;
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value := reflect.NewValue(tmp);
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assert(reflect.ValueToString(value), "+1.234000e+02");
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}
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{ var tmp = "abc";
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value := reflect.NewValue(tmp);
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assert(reflect.ValueToString(value), "abc");
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}
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{
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var i int = 7;
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var tmp = &T{123, 456.0, "hello", &i};
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value := reflect.NewValue(tmp);
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assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "main.T{123, +4.560000e+02, hello, *int(@)}");
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}
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{
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type C chan *T; // TODO: should not be necessary
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var tmp = new(C);
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value := reflect.NewValue(tmp);
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2008-11-03 16:38:27 -07:00
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assert(reflect.ValueToString(value), "*main.C·test(@)");
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}
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{
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type A [10]int;
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var tmp A = A{1,2,3,4,5,6,7,8,9,10};
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value := reflect.NewValue(&tmp);
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assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "main.A·test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
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value.(reflect.PtrValue).Sub().(reflect.ArrayValue).Elem(4).(reflect.IntValue).Put(123);
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assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "main.A·test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
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}
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{
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type AA []int;
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tmp1 := [10]int{1,2,3,4,5,6,7,8,9,10}; // TODO: should not be necessary to use tmp1
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var tmp *AA = &tmp1;
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value := reflect.NewValue(tmp);
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assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "main.AA·test{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}");
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2008-10-29 16:31:02 -06:00
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value.(reflect.PtrValue).Sub().(reflect.ArrayValue).Elem(4).(reflect.IntValue).Put(123);
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2008-11-03 16:38:27 -07:00
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assert(reflect.ValueToString(value.(reflect.PtrValue).Sub()), "main.AA·test{1, 2, 3, 4, 123, 6, 7, 8, 9, 10}");
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}
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}
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