mirror of
https://github.com/golang/go
synced 2024-11-12 06:30:21 -07:00
Automated g4 rollback of changelist 19916.
*** Reason for rollback *** broke build *** Original change description *** utf8: add InString routines for decoding in strings reflect: add InterfaceValue.Get(), remove Empty strconv: add Quote, CanBackquote fmt: * %q go-quoted " string * %#q go-quoted ` string if possible, " string otherwise * %x hexadecimal string * anywhere a string is okay, *[]byte is okay * flags # 0 - + space * print value inside interface, not interface itself * tests TBR=r OCL=19920 CL=19920
This commit is contained in:
Russ Cox
parent
b65a930453
commit
85fea81d70
@ -1,164 +0,0 @@
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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 fmt
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import (
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"fmt";
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"syscall";
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"testing";
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)
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export func TestFmtInterface(t *testing.T) {
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var i1 interface{};
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i1 = "abc";
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s := fmt.sprintf("%s", i1);
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if s != "abc" {
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t.Errorf(`fmt.sprintf("%%s", empty("abc")) = %q want %q`, s, "abc");
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}
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}
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type FmtTest struct {
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fmt string;
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val interface { };
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out string;
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}
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func Bytes(s string) *[]byte {
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b := new([]byte, len(s)+1);
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syscall.StringToBytes(b, s);
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return b[0:len(s)];
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}
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const B32 uint32 = 1<<32 - 1
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const B64 uint64 = 1<<64 - 1
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var fmttests = []FmtTest{
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// basic string
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FmtTest{ "%s", "abc", "abc" },
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FmtTest{ "%x", "abc", "616263" },
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FmtTest{ "%x", "xyz", "78797a" },
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FmtTest{ "%X", "xyz", "78797A" },
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FmtTest{ "%q", "abc", `"abc"` },
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// basic bytes
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FmtTest{ "%s", Bytes("abc"), "abc" },
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FmtTest{ "%x", Bytes("abc"), "616263" },
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FmtTest{ "%x", Bytes("xyz"), "78797a" },
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FmtTest{ "%X", Bytes("xyz"), "78797A" },
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FmtTest{ "%q", Bytes("abc"), `"abc"` },
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// escaped strings
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FmtTest{ "%#q", `abc`, "`abc`" },
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FmtTest{ "%#q", `"`, "`\"`" },
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FmtTest{ "1 %#q", `\n`, "1 `\\n`" },
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FmtTest{ "2 %#q", "\n", `2 "\n"` },
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FmtTest{ "%q", `"`, `"\""` },
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FmtTest{ "%q", "\a\b\f\r\n\t\v", `"\a\b\f\r\n\t\v"` },
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FmtTest{ "%q", "abc\xffdef", `"abc\xffdef"` },
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FmtTest{ "%q", "\u263a", `"\u263a"` },
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FmtTest{ "%q", "\U0010ffff", `"\U0010ffff"` },
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// width
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FmtTest{ "%5s", "abc", " abc" },
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FmtTest{ "%-5s", "abc", "abc " },
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FmtTest{ "%05s", "abc", "00abc" },
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// integers
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FmtTest{ "%d", 12345, "12345" },
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FmtTest{ "%d", -12345, "-12345" },
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FmtTest{ "%10d", 12345, " 12345" },
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FmtTest{ "%10d", -12345, " -12345" },
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FmtTest{ "%+10d", 12345, " +12345" },
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FmtTest{ "%010d", 12345, "0000012345" },
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FmtTest{ "%010d", -12345, "-000012345" },
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FmtTest{ "%-10d", 12345, "12345 " },
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FmtTest{ "%010.3d", 1, " 001" },
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FmtTest{ "%010.3d", -1, " -001" },
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FmtTest{ "%+d", 12345, "+12345" },
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FmtTest{ "%+d", -12345, "-12345" },
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FmtTest{ "% d", 12345, " 12345" },
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FmtTest{ "% d", -12345, "-12345" },
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// old test/fmt_test.go
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FmtTest{ "%d", 1234, "1234" },
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FmtTest{ "%d", -1234, "-1234" },
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FmtTest{ "%d", uint(1234), "1234" },
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FmtTest{ "%d", uint32(B32), "4294967295" },
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FmtTest{ "%d", uint64(B64), "18446744073709551615" },
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FmtTest{ "%o", 01234, "1234" },
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FmtTest{ "%o", uint32(B32), "37777777777" },
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FmtTest{ "%o", uint64(B64), "1777777777777777777777" },
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FmtTest{ "%x", 0x1234abcd, "1234abcd" },
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FmtTest{ "%x", B32-0x1234567, "fedcba98" },
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FmtTest{ "%X", 0x1234abcd, "1234ABCD" },
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FmtTest{ "%X", B32-0x1234567, "FEDCBA98" },
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FmtTest{ "%x", B64, "ffffffffffffffff" },
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FmtTest{ "%b", 7, "111" },
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FmtTest{ "%b", B64, "1111111111111111111111111111111111111111111111111111111111111111" },
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FmtTest{ "%e", float64(1), "1.000000e+00" },
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FmtTest{ "%e", float64(1234.5678e3), "1.234568e+06" },
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FmtTest{ "%e", float64(1234.5678e-8), "1.234568e-05" },
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FmtTest{ "%e", float64(-7), "-7.000000e+00" },
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FmtTest{ "%e", float64(-1e-9), "-1.000000e-09" },
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FmtTest{ "%f", float64(1234.5678e3), "1234567.800000" },
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FmtTest{ "%f", float64(1234.5678e-8), "0.000012" },
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FmtTest{ "%f", float64(-7), "-7.000000" },
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FmtTest{ "%f", float64(-1e-9), "-0.000000" },
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FmtTest{ "%g", float64(1234.5678e3), "1.2345678e+06" },
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FmtTest{ "%g", float32(1234.5678e3), "1.2345678e+06" },
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FmtTest{ "%g", float64(1234.5678e-8), "1.2345678e-05" },
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FmtTest{ "%g", float64(-7), "-7" },
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FmtTest{ "%g", float64(-1e-9), "-1e-09", },
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FmtTest{ "%g", float32(-1e-9), "-1e-09" },
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FmtTest{ "%c", 'x', "x" },
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FmtTest{ "%c", 0xe4, "ä" },
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FmtTest{ "%c", 0x672c, "本" },
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FmtTest{ "%c", '日', "日" },
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FmtTest{ "%20.8d", 1234, " 00001234" },
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FmtTest{ "%20.8d", -1234, " -00001234" },
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FmtTest{ "%20d", 1234, " 1234" },
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FmtTest{ "%-20.8d", 1234, "00001234 " },
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FmtTest{ "%-20.8d", -1234, "-00001234 " },
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FmtTest{ "%.20b", 7, "00000000000000000111" },
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FmtTest{ "%20.5s", "qwertyuiop", " qwert" },
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FmtTest{ "%.5s", "qwertyuiop", "qwert" },
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FmtTest{ "%-20.5s", "qwertyuiop", "qwert " },
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FmtTest{ "%20c", 'x', " x" },
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FmtTest{ "%-20c", 'x', "x " },
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FmtTest{ "%20.6e", 1.2345e3, " 1.234500e+03" },
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FmtTest{ "%20.6e", 1.2345e-3, " 1.234500e-03" },
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FmtTest{ "%20e", 1.2345e3, " 1.234500e+03" },
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FmtTest{ "%20e", 1.2345e-3, " 1.234500e-03" },
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FmtTest{ "%20.8e", 1.2345e3, " 1.23450000e+03" },
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FmtTest{ "%20f", float64(1.23456789e3), " 1234.567890" },
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FmtTest{ "%20f", float64(1.23456789e-3), " 0.001235" },
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FmtTest{ "%20f", float64(12345678901.23456789), " 12345678901.234568" },
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FmtTest{ "%-20f", float64(1.23456789e3), "1234.567890 " },
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FmtTest{ "%20.8f", float64(1.23456789e3), " 1234.56789000" },
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FmtTest{ "%20.8f", float64(1.23456789e-3), " 0.00123457" },
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FmtTest{ "%g", float64(1.23456789e3), "1234.56789" },
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FmtTest{ "%g", float64(1.23456789e-3), "0.00123456789" },
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FmtTest{ "%g", float64(1.23456789e20), "1.23456789e+20" },
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FmtTest{ "%20e", sys.Inf(1), " +Inf" },
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FmtTest{ "%-20f", sys.Inf(-1), "-Inf " },
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FmtTest{ "%20g", sys.NaN(), " NaN" },
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}
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export func TestSprintf(t *testing.T) {
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for i := 0; i < len(fmttests); i++ {
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tt := fmttests[i];
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s := fmt.sprintf(tt.fmt, tt.val);
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if s != tt.out {
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if ss, ok := tt.val.(string); ok {
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// Don't requote the already-quoted strings.
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// It's too confusing to read the errors.
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t.Errorf("fmt.sprintf(%q, %q) = %s want %s", tt.fmt, tt.val, s, tt.out);
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} else {
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t.Errorf("fmt.sprintf(%q, %v) = %q want %q", tt.fmt, tt.val, s, tt.out);
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}
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}
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}
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}
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@ -4,9 +4,7 @@
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package fmt
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import (
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"strconv";
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)
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import "strconv"
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/*
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Raw formatter. See print.go for a more palatable interface.
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@ -41,22 +39,11 @@ export type Fmt struct {
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wid_present bool;
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prec int;
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prec_present bool;
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// flags
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minus bool;
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plus bool;
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sharp bool;
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space bool;
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zero bool;
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}
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func (f *Fmt) clearflags() {
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f.wid_present = false;
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f.prec_present = false;
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f.minus = false;
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f.plus = false;
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f.sharp = false;
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f.space = false;
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f.zero = false;
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}
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func (f *Fmt) clearbuf() {
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@ -114,28 +101,24 @@ func (f *Fmt) w(x int) *Fmt {
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return f;
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}
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// append s to buf, padded on left (w > 0) or right (w < 0 or f.minus)
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// append s to buf, padded on left (w > 0) or right (w < 0)
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// padding is in bytes, not characters (agrees with ANSIC C, not Plan 9 C)
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func (f *Fmt) pad(s string) {
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if f.wid_present && f.wid != 0 {
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left := !f.minus;
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left := true;
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w := f.wid;
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if w < 0 {
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left = false;
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w = -w;
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}
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w -= len(s);
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padchar := byte(' ');
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if left && f.zero {
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padchar = '0';
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}
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if w > 0 {
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if w > NByte {
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w = NByte;
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}
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buf := new([]byte, w);
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for i := 0; i < w; i++ {
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buf[i] = padchar;
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buf[i] = ' ';
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}
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if left {
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s = string(buf) + s;
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@ -180,35 +163,16 @@ func (f *Fmt) integer(a int64, base uint, is_signed bool, digits *string) string
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if negative {
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a = -a;
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}
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// two ways to ask for extra leading zero digits: %.3d or %03d.
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// apparently the first cancels the second.
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prec := 0;
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i := putint(&buf, NByte-1, uint64(base), uint64(a), digits);
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if f.prec_present {
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prec = f.prec;
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f.zero = false;
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} else if f.zero && f.wid_present && !f.minus && f.wid > 0{
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prec = f.wid;
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if negative || f.plus || f.space {
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prec--; // leave room for sign
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for i > 0 && f.prec > (NByte-1-i) {
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buf[i] = '0';
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i--;
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}
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}
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i := putint(&buf, NByte-1, uint64(base), uint64(a), digits);
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for i > 0 && prec > (NByte-1-i) {
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buf[i] = '0';
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i--;
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}
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if negative {
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buf[i] = '-';
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i--;
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} else if f.plus {
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buf[i] = '+';
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i--;
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} else if f.space {
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buf[i] = ' ';
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i--;
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}
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return string(buf)[i+1:NByte];
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}
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@ -370,44 +334,6 @@ func (f *Fmt) s(s string) *Fmt {
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return f;
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}
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// hexadecimal string
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func (f *Fmt) sx(s string) *Fmt {
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t := "";
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for i := 0; i < len(s); i++ {
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v := s[i];
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t += string(ldigits[v>>4]);
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t += string(ldigits[v&0xF]);
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}
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f.pad(t);
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f.clearflags();
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return f;
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}
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func (f *Fmt) sX(s string) *Fmt {
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t := "";
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for i := 0; i < len(s); i++ {
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v := s[i];
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t += string(udigits[v>>4]);
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t += string(udigits[v&0xF]);
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}
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f.pad(t);
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f.clearflags();
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return f;
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}
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// quoted string
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func (f *Fmt) q(s string) *Fmt {
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var quoted string;
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if f.sharp && strconv.CanBackquote(s) {
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quoted = "`"+s+"`";
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} else {
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quoted = strconv.Quote(s);
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}
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f.pad(quoted);
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f.clearflags();
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return f;
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}
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// floating-point
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func Prec(f *Fmt, def int) int {
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@ -444,7 +370,7 @@ func (f *Fmt) fb64(a float64) *Fmt {
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// cannot defer to float64 versions
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// because it will get rounding wrong in corner cases.
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func (f *Fmt) e32(a float32) *Fmt {
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return FmtString(f, strconv.ftoa32(a, 'e', Prec(f, 6)));
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return FmtString(f, strconv.ftoa32(a, 'e', Prec(f, -1)));
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}
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func (f *Fmt) f32(a float32) *Fmt {
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@ -186,19 +186,6 @@ export func sprintln(a ...) string {
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return s;
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}
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// Get the i'th arg of the struct value.
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// If the arg itself is an interface, return a value for
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// the thing inside the interface, not the interface itself.
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func getField(v reflect.StructValue, i int) reflect.Value {
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val := v.Field(i);
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if val.Kind() == reflect.InterfaceKind {
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inter := val.(reflect.InterfaceValue).Get();
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return reflect.NewValue(inter);
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}
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return val;
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}
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// Getters for the fields of the argument structure.
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func getBool(v reflect.Value) (val bool, ok bool) {
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@ -240,9 +227,6 @@ func getString(v reflect.Value) (val string, ok bool) {
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case reflect.StringKind:
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return v.(reflect.StringValue).Get(), true;
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}
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if valb, okb := v.Interface().(*[]byte); okb {
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return string(valb), true;
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}
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return "", false;
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}
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@ -296,6 +280,12 @@ func parsenum(s string, start, end int) (n int, got bool, newi int) {
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if start >= end {
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return 0, false, end
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}
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if s[start] == '-' {
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a, b, c := parsenum(s, start+1, end);
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if b {
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return -a, b, c;
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}
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}
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isnum := false;
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num := 0;
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for '0' <= s[start] && s[start] <= '9' {
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@ -381,28 +371,10 @@ func (p *P) doprintf(format string, v reflect.StructValue) {
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i += w;
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continue;
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}
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i++;
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// flags
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F: for ; i < end; i++ {
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switch format[i] {
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case '#':
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p.fmt.sharp = true;
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case '0':
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p.fmt.zero = true;
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case '+':
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p.fmt.plus = true;
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case '-':
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p.fmt.minus = true;
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case ' ':
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p.fmt.space = true;
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default:
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break F;
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}
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}
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// do we have 20 (width)?
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p.wid, p.wid_ok, i = parsenum(format, i, end);
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// saw % - do we have %20 (width)?
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p.wid, p.wid_ok, i = parsenum(format, i+1, end);
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p.prec_ok = false;
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// do we have .20 (precision)?
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// do we have %.20 (precision)?
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if i < end && format[i] == '.' {
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p.prec, p.prec_ok, i = parsenum(format, i+1, end);
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}
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@ -419,7 +391,7 @@ func (p *P) doprintf(format string, v reflect.StructValue) {
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p.addstr("(missing)");
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continue;
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}
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field := getField(v, fieldnum);
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field := v.Field(fieldnum);
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fieldnum++;
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if c != 'T' { // don't want thing to describe itself if we're asking for its type
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if formatter, ok := field.Interface().(Format); ok {
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@ -491,20 +463,6 @@ func (p *P) doprintf(format string, v reflect.StructValue) {
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} else {
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s = p.fmt.ux64(uint64(v)).str()
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}
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} else if v, ok := getString(field); ok {
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s = p.fmt.sx(v).str();
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} else {
|
||||
goto badtype
|
||||
}
|
||||
case 'X':
|
||||
if v, signed, ok := getInt(field); ok {
|
||||
if signed {
|
||||
s = p.fmt.X64(v).str()
|
||||
} else {
|
||||
s = p.fmt.uX64(uint64(v)).str()
|
||||
}
|
||||
} else if v, ok := getString(field); ok {
|
||||
s = p.fmt.sX(v).str();
|
||||
} else {
|
||||
goto badtype
|
||||
}
|
||||
@ -542,12 +500,6 @@ func (p *P) doprintf(format string, v reflect.StructValue) {
|
||||
} else {
|
||||
goto badtype
|
||||
}
|
||||
case 'q':
|
||||
if v, ok := getString(field); ok {
|
||||
s = p.fmt.q(v).str()
|
||||
} else {
|
||||
goto badtype
|
||||
}
|
||||
|
||||
// pointer
|
||||
case 'p':
|
||||
@ -578,7 +530,7 @@ func (p *P) doprintf(format string, v reflect.StructValue) {
|
||||
if fieldnum < v.Len() {
|
||||
p.addstr("?(extra ");
|
||||
for ; fieldnum < v.Len(); fieldnum++ {
|
||||
p.addstr(getField(v, fieldnum).Type().String());
|
||||
p.addstr(v.Field(fieldnum).Type().String());
|
||||
if fieldnum + 1 < v.Len() {
|
||||
p.addstr(", ");
|
||||
}
|
||||
@ -591,7 +543,7 @@ func (p *P) doprint(v reflect.StructValue, addspace, addnewline bool) {
|
||||
prev_string := false;
|
||||
for fieldnum := 0; fieldnum < v.Len(); fieldnum++ {
|
||||
// always add spaces if we're doing println
|
||||
field := getField(v, fieldnum);
|
||||
field := v.Field(fieldnum);
|
||||
if fieldnum > 0 {
|
||||
if addspace {
|
||||
p.add(' ')
|
||||
|
||||
@ -283,14 +283,3 @@ export func TestAll(tt *testing.T) { // TODO(r): wrap up better
|
||||
println(a[i]);
|
||||
}
|
||||
}
|
||||
|
||||
export func TestInterfaceGet(t *testing.T) {
|
||||
var inter struct { e interface{ } };
|
||||
inter.e = 123.456;
|
||||
v1 := reflect.NewValue(&inter);
|
||||
v2 := v1.(reflect.PtrValue).Sub().(reflect.StructValue).Field(0);
|
||||
assert(v2.Type().String(), "interface { }");
|
||||
i2 := v2.(reflect.InterfaceValue).Get();
|
||||
v3 := reflect.NewValue(i2);
|
||||
assert(v3.Type().String(), "float");
|
||||
}
|
||||
|
||||
@ -181,13 +181,3 @@ TEXT reflect·PtrRuntimeArrayToAddr(SB),7,$-8
|
||||
MOVQ AX, 16(SP)
|
||||
RET
|
||||
|
||||
TEXT reflect·AddrToPtrInterface(SB),7,$-8
|
||||
MOVQ 8(SP), AX
|
||||
MOVQ AX, 16(SP)
|
||||
RET
|
||||
|
||||
TEXT reflect·PtrInterfaceToAddr(SB),7,$-8
|
||||
MOVQ 8(SP), AX
|
||||
MOVQ AX, 16(SP)
|
||||
RET
|
||||
|
||||
|
||||
@ -38,5 +38,4 @@ Float80
|
||||
String
|
||||
Bool
|
||||
RuntimeArray
|
||||
Interface
|
||||
!
|
||||
|
||||
@ -36,13 +36,14 @@ func AddrToPtrString(Addr) *string
|
||||
func AddrToPtrBool(Addr) *bool
|
||||
func AddrToPtrRuntimeArray(Addr) *RuntimeArray
|
||||
func PtrRuntimeArrayToAddr(*RuntimeArray) Addr
|
||||
func AddrToPtrInterface(Addr) *interface{}
|
||||
|
||||
export type Empty interface {} // TODO(r): Delete when no longer needed?
|
||||
|
||||
export type Value interface {
|
||||
Kind() int;
|
||||
Type() Type;
|
||||
Addr() Addr;
|
||||
Interface() interface {};
|
||||
Interface() Empty;
|
||||
}
|
||||
|
||||
// Common fields and functionality for all values
|
||||
@ -65,7 +66,7 @@ func (c *Common) Addr() Addr {
|
||||
return c.addr
|
||||
}
|
||||
|
||||
func (c *Common) Interface() interface {} {
|
||||
func (c *Common) Interface() Empty {
|
||||
return sys.unreflect(*AddrToPtrAddr(c.addr), c.typ.String());
|
||||
}
|
||||
|
||||
@ -713,17 +714,12 @@ func StructCreator(typ Type, addr Addr) Value {
|
||||
export type InterfaceValue interface {
|
||||
Kind() int;
|
||||
Type() Type;
|
||||
Get() interface {};
|
||||
}
|
||||
|
||||
type InterfaceValueStruct struct {
|
||||
Common
|
||||
}
|
||||
|
||||
func (v *InterfaceValueStruct) Get() interface{} {
|
||||
return *AddrToPtrInterface(v.addr);
|
||||
}
|
||||
|
||||
func InterfaceCreator(typ Type, addr Addr) Value {
|
||||
return &InterfaceValueStruct{ Common{InterfaceKind, typ, addr} }
|
||||
}
|
||||
@ -828,7 +824,7 @@ export func NewOpenArrayValue(typ ArrayType, len, cap int) ArrayValue {
|
||||
return NewValueAddr(typ, PtrRuntimeArrayToAddr(array));
|
||||
}
|
||||
|
||||
export func NewValue(e interface {}) Value {
|
||||
export func NewValue(e Empty) Value {
|
||||
value, typestring := sys.reflect(e);
|
||||
p, ok := typecache[typestring];
|
||||
if !ok {
|
||||
|
||||
@ -33,9 +33,8 @@ coverage: packages
|
||||
|
||||
O1=\
|
||||
atoi.$O\
|
||||
itoa.$O\
|
||||
decimal.$O\
|
||||
quote.$O\
|
||||
itoa.$O\
|
||||
|
||||
O2=\
|
||||
ftoa.$O\
|
||||
@ -46,7 +45,7 @@ O3=\
|
||||
strconv.a: a1 a2 a3
|
||||
|
||||
a1: $(O1)
|
||||
$(AR) grc strconv.a atoi.$O itoa.$O decimal.$O quote.$O
|
||||
$(AR) grc strconv.a atoi.$O decimal.$O itoa.$O
|
||||
rm -f $(O1)
|
||||
|
||||
a2: $(O2)
|
||||
|
||||
@ -25,7 +25,6 @@ var ftests = []Test {
|
||||
Test{ 1, 'g', 5, "1" },
|
||||
Test{ 1, 'g', -1, "1" },
|
||||
Test{ 20, 'g', -1, "20" },
|
||||
Test{ 1234567.8, 'g', -1, "1.2345678e+06" },
|
||||
Test{ 200000, 'g', -1, "200000" },
|
||||
Test{ 2000000, 'g', -1, "2e+06" },
|
||||
|
||||
|
||||
@ -1,76 +0,0 @@
|
||||
// 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 strconv
|
||||
|
||||
import (
|
||||
"utf8";
|
||||
)
|
||||
|
||||
const ldigits = "0123456789abcdef"
|
||||
const udigits = "0123456789ABCDEF"
|
||||
|
||||
export func Quote(s string) string {
|
||||
t := `"`;
|
||||
for i := 0; i < len(s); i++ {
|
||||
switch {
|
||||
case s[i] == '"':
|
||||
t += `\"`;
|
||||
case s[i] == '\\':
|
||||
t += `\\`;
|
||||
case ' ' <= s[i] && s[i] <= '~':
|
||||
t += string(s[i]);
|
||||
case s[i] == '\a':
|
||||
t += `\a`;
|
||||
case s[i] == '\b':
|
||||
t += `\b`;
|
||||
case s[i] == '\f':
|
||||
t += `\f`;
|
||||
case s[i] == '\n':
|
||||
t += `\n`;
|
||||
case s[i] == '\r':
|
||||
t += `\r`;
|
||||
case s[i] == '\t':
|
||||
t += `\t`;
|
||||
case s[i] == '\v':
|
||||
t += `\v`;
|
||||
|
||||
case utf8.FullRuneInString(s, i):
|
||||
r, size := utf8.DecodeRuneInString(s, i);
|
||||
if r == utf8.RuneError && size == 1 {
|
||||
goto EscX;
|
||||
}
|
||||
i += size-1; // i++ on next iteration
|
||||
if r < 0x10000 {
|
||||
t += `\u`;
|
||||
for j:=uint(0); j<4; j++ {
|
||||
t += string(ldigits[(r>>(12-4*j))&0xF]);
|
||||
}
|
||||
} else {
|
||||
t += `\U`;
|
||||
for j:=uint(0); j<8; j++ {
|
||||
t += string(ldigits[(r>>(28-4*j))&0xF]);
|
||||
}
|
||||
}
|
||||
|
||||
default:
|
||||
EscX:
|
||||
t += `\x`;
|
||||
t += string(ldigits[s[i]>>4]);
|
||||
t += string(ldigits[s[i]&0xF]);
|
||||
}
|
||||
}
|
||||
t += `"`;
|
||||
return t;
|
||||
}
|
||||
|
||||
export func CanBackquote(s string) bool {
|
||||
for i := 0; i < len(s); i++ {
|
||||
if s[i] < ' ' || s[i] == '`' {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
@ -1,87 +0,0 @@
|
||||
// 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 strconv
|
||||
|
||||
import (
|
||||
"strconv";
|
||||
"testing";
|
||||
)
|
||||
|
||||
type QuoteTest struct {
|
||||
in string;
|
||||
out string;
|
||||
}
|
||||
|
||||
var quotetests = []QuoteTest {
|
||||
QuoteTest{ "\a\b\f\r\n\t\v", `"\a\b\f\r\n\t\v"` },
|
||||
QuoteTest{ "\\", `"\\"` },
|
||||
QuoteTest{ "abc\xffdef", `"abc\xffdef"` },
|
||||
QuoteTest{ "\u263a", `"\u263a"` },
|
||||
QuoteTest{ "\U0010ffff", `"\U0010ffff"` },
|
||||
}
|
||||
|
||||
export func TestQuote(t *testing.T) {
|
||||
for i := 0; i < len(quotetests); i++ {
|
||||
tt := quotetests[i];
|
||||
if out := Quote(tt.in); out != tt.out {
|
||||
t.Errorf("Quote(%s) = %s, want %s", tt.in, out, tt.out);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
type CanBackquoteTest struct {
|
||||
in string;
|
||||
out bool;
|
||||
}
|
||||
|
||||
var canbackquotetests = []CanBackquoteTest {
|
||||
CanBackquoteTest{ "`", false },
|
||||
CanBackquoteTest{ string(0), false },
|
||||
CanBackquoteTest{ string(1), false },
|
||||
CanBackquoteTest{ string(2), false },
|
||||
CanBackquoteTest{ string(3), false },
|
||||
CanBackquoteTest{ string(4), false },
|
||||
CanBackquoteTest{ string(5), false },
|
||||
CanBackquoteTest{ string(6), false },
|
||||
CanBackquoteTest{ string(7), false },
|
||||
CanBackquoteTest{ string(8), false },
|
||||
CanBackquoteTest{ string(9), false },
|
||||
CanBackquoteTest{ string(10), false },
|
||||
CanBackquoteTest{ string(11), false },
|
||||
CanBackquoteTest{ string(12), false },
|
||||
CanBackquoteTest{ string(13), false },
|
||||
CanBackquoteTest{ string(14), false },
|
||||
CanBackquoteTest{ string(15), false },
|
||||
CanBackquoteTest{ string(16), false },
|
||||
CanBackquoteTest{ string(17), false },
|
||||
CanBackquoteTest{ string(18), false },
|
||||
CanBackquoteTest{ string(19), false },
|
||||
CanBackquoteTest{ string(20), false },
|
||||
CanBackquoteTest{ string(21), false },
|
||||
CanBackquoteTest{ string(22), false },
|
||||
CanBackquoteTest{ string(23), false },
|
||||
CanBackquoteTest{ string(24), false },
|
||||
CanBackquoteTest{ string(25), false },
|
||||
CanBackquoteTest{ string(26), false },
|
||||
CanBackquoteTest{ string(27), false },
|
||||
CanBackquoteTest{ string(28), false },
|
||||
CanBackquoteTest{ string(29), false },
|
||||
CanBackquoteTest{ string(30), false },
|
||||
CanBackquoteTest{ string(31), false },
|
||||
CanBackquoteTest{ `' !"#$%&'()*+,-./:;<=>?@[\]^_{|}~`, true },
|
||||
CanBackquoteTest{ `0123456789`, true },
|
||||
CanBackquoteTest{ `ABCDEFGHIJKLMNOPQRSTUVWXYZ`, true },
|
||||
CanBackquoteTest{ `abcdefghijklmnopqrstuvwxyz`, true },
|
||||
CanBackquoteTest{ `☺`, true },
|
||||
}
|
||||
|
||||
export func TestCanBackquote(t *testing.T) {
|
||||
for i := 0; i < len(canbackquotetests); i++ {
|
||||
tt := canbackquotetests[i];
|
||||
if out := CanBackquote(tt.in); out != tt.out {
|
||||
t.Errorf("CanBackquote(%q) = %v, want %v", tt.in, out, tt.out);
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -7,10 +7,10 @@
|
||||
package utf8
|
||||
|
||||
export const (
|
||||
UTFMax = 4;
|
||||
RuneError = 0xFFFD;
|
||||
RuneSelf = 0x80;
|
||||
RuneMax = 0x10FFFF;
|
||||
UTFMax = 4;
|
||||
RuneMax = 1<<21 - 1;
|
||||
)
|
||||
|
||||
const (
|
||||
@ -33,8 +33,7 @@ const (
|
||||
)
|
||||
|
||||
func DecodeRuneInternal(p *[]byte) (rune, size int, short bool) {
|
||||
n := len(p);
|
||||
if n < 1 {
|
||||
if len(p) < 1 {
|
||||
return RuneError, 0, true;
|
||||
}
|
||||
c0 := p[0];
|
||||
@ -50,7 +49,7 @@ func DecodeRuneInternal(p *[]byte) (rune, size int, short bool) {
|
||||
}
|
||||
|
||||
// need first continuation byte
|
||||
if n < 2 {
|
||||
if len(p) < 2 {
|
||||
return RuneError, 1, true
|
||||
}
|
||||
c1 := p[1];
|
||||
@ -68,7 +67,7 @@ func DecodeRuneInternal(p *[]byte) (rune, size int, short bool) {
|
||||
}
|
||||
|
||||
// need second continuation byte
|
||||
if n < 3 {
|
||||
if len(p) < 3 {
|
||||
return RuneError, 1, true
|
||||
}
|
||||
c2 := p[2];
|
||||
@ -86,7 +85,7 @@ func DecodeRuneInternal(p *[]byte) (rune, size int, short bool) {
|
||||
}
|
||||
|
||||
// need third continuation byte
|
||||
if n < 4 {
|
||||
if len(p) < 4 {
|
||||
return RuneError, 1, true
|
||||
}
|
||||
c3 := p[3];
|
||||
@ -107,103 +106,17 @@ func DecodeRuneInternal(p *[]byte) (rune, size int, short bool) {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
|
||||
func DecodeRuneInStringInternal(s string, i int) (rune, size int, short bool) {
|
||||
n := len(s) - i;
|
||||
if n < 1 {
|
||||
return RuneError, 0, true;
|
||||
}
|
||||
c0 := s[i];
|
||||
|
||||
// 1-byte, 7-bit sequence?
|
||||
if c0 < Tx {
|
||||
return int(c0), 1, false
|
||||
}
|
||||
|
||||
// unexpected continuation byte?
|
||||
if c0 < T2 {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
|
||||
// need first continuation byte
|
||||
if n < 2 {
|
||||
return RuneError, 1, true
|
||||
}
|
||||
c1 := s[i+1];
|
||||
if c1 < Tx || T2 <= c1 {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
|
||||
// 2-byte, 11-bit sequence?
|
||||
if c0 < T3 {
|
||||
rune = int(c0&Mask2)<<6 | int(c1&Maskx);
|
||||
if rune <= Rune1Max {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
return rune, 2, false
|
||||
}
|
||||
|
||||
// need second continuation byte
|
||||
if n < 3 {
|
||||
return RuneError, 1, true
|
||||
}
|
||||
c2 := s[i+2];
|
||||
if c2 < Tx || T2 <= c2 {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
|
||||
// 3-byte, 16-bit sequence?
|
||||
if c0 < T4 {
|
||||
rune = int(c0&Mask3)<<12 | int(c1&Maskx)<<6 | int(c2&Maskx);
|
||||
if rune <= Rune2Max {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
return rune, 3, false
|
||||
}
|
||||
|
||||
// need third continuation byte
|
||||
if n < 4 {
|
||||
return RuneError, 1, true
|
||||
}
|
||||
c3 := s[i+3];
|
||||
if c3 < Tx || T2 <= c3 {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
|
||||
// 4-byte, 21-bit sequence?
|
||||
if c0 < T5 {
|
||||
rune = int(c0&Mask4)<<18 | int(c1&Maskx)<<12 | int(c2&Maskx)<<6 | int(c3&Maskx);
|
||||
if rune <= Rune3Max {
|
||||
return RuneError, 1, false
|
||||
}
|
||||
return rune, 4, false
|
||||
}
|
||||
|
||||
// error
|
||||
return RuneError, 1, false
|
||||
}
|
||||
|
||||
export func FullRune(p *[]byte) bool {
|
||||
rune, size, short := DecodeRuneInternal(p);
|
||||
return !short
|
||||
}
|
||||
|
||||
export func FullRuneInString(s string, i int) bool {
|
||||
rune, size, short := DecodeRuneInStringInternal(s, i);
|
||||
return !short
|
||||
}
|
||||
|
||||
export func DecodeRune(p *[]byte) (rune, size int) {
|
||||
var short bool;
|
||||
rune, size, short = DecodeRuneInternal(p);
|
||||
return;
|
||||
}
|
||||
|
||||
export func DecodeRuneInString(s string, i int) (rune, size int) {
|
||||
var short bool;
|
||||
rune, size, short = DecodeRuneInStringInternal(s, i);
|
||||
return;
|
||||
}
|
||||
|
||||
export func RuneLen(rune int) int {
|
||||
switch {
|
||||
case rune <= Rune1Max:
|
||||
|
||||
@ -44,6 +44,27 @@ var utf8map = []Utf8Map {
|
||||
Utf8Map{ 0x10ffff, "\xf4\x8f\xbf\xbf" },
|
||||
}
|
||||
|
||||
func CEscape(s *[]byte) string {
|
||||
t := "\"";
|
||||
for i := 0; i < len(s); i++ {
|
||||
switch {
|
||||
case s[i] == '\\' || s[i] == '"':
|
||||
t += `\`;
|
||||
t += string(s[i]);
|
||||
case s[i] == '\n':
|
||||
t += `\n`;
|
||||
case s[i] == '\t':
|
||||
t += `\t`;
|
||||
case ' ' <= s[i] && s[i] <= '~':
|
||||
t += string(s[i]);
|
||||
default:
|
||||
t += fmt.sprintf(`\x%02x`, s[i]);
|
||||
}
|
||||
}
|
||||
t += "\"";
|
||||
return t;
|
||||
}
|
||||
|
||||
func Bytes(s string) *[]byte {
|
||||
b := new([]byte, len(s)+1);
|
||||
if !syscall.StringToBytes(b, s) {
|
||||
@ -57,19 +78,10 @@ export func TestFullRune(t *testing.T) {
|
||||
m := utf8map[i];
|
||||
b := Bytes(m.str);
|
||||
if !utf8.FullRune(b) {
|
||||
t.Errorf("FullRune(%q) (rune %04x) = false, want true", b, m.rune);
|
||||
t.Errorf("FullRune(%s) (rune %04x) = false, want true", CEscape(b), m.rune);
|
||||
}
|
||||
s := "xx"+m.str;
|
||||
if !utf8.FullRuneInString(s, 2) {
|
||||
t.Errorf("FullRuneInString(%q, 2) (rune %04x) = false, want true", s, m.rune);
|
||||
}
|
||||
b1 := b[0:len(b)-1];
|
||||
if utf8.FullRune(b1) {
|
||||
t.Errorf("FullRune(%q) = true, want false", b1);
|
||||
}
|
||||
s1 := "xxx"+string(b1);
|
||||
if utf8.FullRuneInString(s1, 3) {
|
||||
t.Errorf("FullRune(%q, 3) = true, want false", s1);
|
||||
if b1 := b[0:len(b)-1]; utf8.FullRune(b1) {
|
||||
t.Errorf("FullRune(%s) = true, want false", CEscape(b1));
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -94,7 +106,7 @@ export func TestEncodeRune(t *testing.T) {
|
||||
n := utf8.EncodeRune(m.rune, &buf);
|
||||
b1 := (&buf)[0:n];
|
||||
if !EqualBytes(b, b1) {
|
||||
t.Errorf("EncodeRune(0x%04x) = %q want %q", m.rune, b1, b);
|
||||
t.Errorf("EncodeRune(0x%04x) = %s want %s", m.rune, CEscape(b1), CEscape(b));
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -105,38 +117,23 @@ export func TestDecodeRune(t *testing.T) {
|
||||
b := Bytes(m.str);
|
||||
rune, size := utf8.DecodeRune(b);
|
||||
if rune != m.rune || size != len(b) {
|
||||
t.Errorf("DecodeRune(%q) = 0x%04x, %d want 0x%04x, %d", b, rune, size, m.rune, len(b));
|
||||
}
|
||||
s := "xx"+m.str;
|
||||
rune, size = utf8.DecodeRuneInString(s, 2);
|
||||
if rune != m.rune || size != len(b) {
|
||||
t.Errorf("DecodeRune(%q, 2) = 0x%04x, %d want 0x%04x, %d", s, rune, size, m.rune, len(b));
|
||||
t.Errorf("DecodeRune(%s) = 0x%04x, %d want 0x%04x, %d", CEscape(b), rune, size, m.rune, len(b));
|
||||
}
|
||||
|
||||
// there's an extra byte that Bytes left behind - make sure trailing byte works
|
||||
rune, size = utf8.DecodeRune(b[0:cap(b)]);
|
||||
if rune != m.rune || size != len(b) {
|
||||
t.Errorf("DecodeRune(%q) = 0x%04x, %d want 0x%04x, %d", b, rune, size, m.rune, len(b));
|
||||
}
|
||||
s = "x"+m.str+"\x00";
|
||||
rune, size = utf8.DecodeRuneInString(s, 1);
|
||||
if rune != m.rune || size != len(b) {
|
||||
t.Errorf("DecodeRuneInString(%q, 1) = 0x%04x, %d want 0x%04x, %d", s, rune, size, m.rune, len(b));
|
||||
t.Errorf("DecodeRune(%s) = 0x%04x, %d want 0x%04x, %d", CEscape(b), rune, size, m.rune, len(b));
|
||||
}
|
||||
|
||||
// make sure missing bytes fail
|
||||
rune, size = utf8.DecodeRune(b[0:len(b)-1]);
|
||||
wantsize := 1;
|
||||
if wantsize >= len(b) {
|
||||
wantsize = 0;
|
||||
}
|
||||
rune, size = utf8.DecodeRune(b[0:len(b)-1]);
|
||||
if rune != RuneError || size != wantsize {
|
||||
t.Errorf("DecodeRune(%q) = 0x%04x, %d want 0x%04x, %d", b[0:len(b)-1], rune, size, RuneError, wantsize);
|
||||
}
|
||||
s = "xxx"+m.str[0:len(m.str)-1];
|
||||
rune, size = utf8.DecodeRuneInString(s, 3);
|
||||
if rune != RuneError || size != wantsize {
|
||||
t.Errorf("DecodeRuneInString(%q, 3) = 0x%04x, %d want 0x%04x, %d", s, rune, size, RuneError, wantsize);
|
||||
t.Errorf("DecodeRune(%s) = 0x%04x, %d want 0x%04x, %d", CEscape(b[0:len(b)-1]), rune, size, RuneError, wantsize);
|
||||
}
|
||||
|
||||
// make sure bad sequences fail
|
||||
@ -147,12 +144,7 @@ export func TestDecodeRune(t *testing.T) {
|
||||
}
|
||||
rune, size = utf8.DecodeRune(b);
|
||||
if rune != RuneError || size != 1 {
|
||||
t.Errorf("DecodeRune(%q) = 0x%04x, %d want 0x%04x, %d", b, rune, size, RuneError, 1);
|
||||
}
|
||||
s = "xxxx"+string(b);
|
||||
rune, size = utf8.DecodeRune(b);
|
||||
if rune != RuneError || size != 1 {
|
||||
t.Errorf("DecodeRuneInString(%q, 4) = 0x%04x, %d want 0x%04x, %d", s, rune, size, RuneError, 1);
|
||||
t.Errorf("DecodeRune(%s) = 0x%04x, %d want 0x%04x, %d", CEscape(b), rune, size, RuneError, 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
94
test/fmt_test.go
Normal file
94
test/fmt_test.go
Normal file
@ -0,0 +1,94 @@
|
||||
// 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.
|
||||
|
||||
// $G $F.go && $L $F.$A && ./$A.out
|
||||
|
||||
package main
|
||||
|
||||
import fmt "fmt" // BUG: shouldn't need the first 'fmt'.
|
||||
|
||||
func E(f *fmt.Fmt, e string) {
|
||||
g := f.str();
|
||||
if sys.argc() > 1 {
|
||||
print(g, "\n");
|
||||
if g != e {
|
||||
print("expected <", e, ">\n");
|
||||
}
|
||||
return;
|
||||
}
|
||||
if g != e {
|
||||
print("expected <", e, ">\n");
|
||||
print("got <", g, ">\n");
|
||||
}
|
||||
}
|
||||
|
||||
const B32 = 1<<32 - 1
|
||||
const B64 = 1<<64 - 1
|
||||
|
||||
func main() {
|
||||
f := fmt.New();
|
||||
E(f.s("d ").d(1234), "d 1234");
|
||||
E(f.s("Simple output\n"), "Simple output\n");
|
||||
E(f.s("\td ").d(-1234), "\td -1234");
|
||||
E(f.s("\tud ").ud(B32), "\tud 4294967295");
|
||||
E(f.s("\tud64 ").ud64(B64), "\tud64 18446744073709551615");
|
||||
E(f.s("\to ").o(01234), "\to 1234");
|
||||
E(f.s("\tuo ").uo(B32), "\tuo 37777777777");
|
||||
E(f.s("\tuo64 ").uo64(B64), "\tuo64 1777777777777777777777");
|
||||
E(f.s("\tx ").x(0x1234abcd), "\tx 1234abcd");
|
||||
E(f.s("\tux ").ux(B32 - 0x01234567), "\tux fedcba98");
|
||||
E(f.s("\tX ").X(0x1234abcd), "\tX 1234ABCD");
|
||||
E(f.s("\tuX ").uX(B32 - 0x01234567), "\tuX FEDCBA98");
|
||||
E(f.s("\tux64 ").ux64(B64), "\tux64 ffffffffffffffff");
|
||||
E(f.s("\tb ").b(7), "\tb 111");
|
||||
E(f.s("\tb64 ").b64(B64), "\tb64 1111111111111111111111111111111111111111111111111111111111111111");
|
||||
E(f.s("\te ").e64(1.), "\te 1.000000e+00");
|
||||
E(f.s("\te ").e64(1234.5678e3), "\te 1.234568e+06");
|
||||
E(f.s("\te ").e64(1234.5678e-8), "\te 1.234568e-05");
|
||||
E(f.s("\te ").e64(-7.0), "\te -7.000000e+00");
|
||||
E(f.s("\te ").e64(-1e-9), "\te -1.000000e-09");
|
||||
E(f.s("\tf ").f64(1234.5678e3), "\tf 1234567.800000");
|
||||
E(f.s("\tf ").f64(1234.5678e-8), "\tf 0.000012");
|
||||
E(f.s("\tf ").f64(-7.0), "\tf -7.000000");
|
||||
E(f.s("\tf ").f64(-1e-9), "\tf -0.000000");
|
||||
E(f.s("\tg ").g64(1234.5678e3), "\tg 1.2345678e+06");
|
||||
E(f.s("\tg ").g64(1234.5678e-8), "\tg 1.2345678e-05");
|
||||
E(f.s("\tg ").g64(-7.0), "\tg -7");
|
||||
E(f.s("\tg ").g64(-1e-9), "\tg -1e-09");
|
||||
E(f.s("\tc ").c('x'), "\tc x");
|
||||
E(f.s("\tc ").c(0xe4), "\tc ä");
|
||||
E(f.s("\tc ").c(0x672c), "\tc 本");
|
||||
E(f.s("\tc ").c('日'), "\tc 日");
|
||||
|
||||
E(f.s("Flags, width, and precision"), "Flags, width, and precision");
|
||||
E(f.s("\t\t|123456789_123456789_"), "\t\t|123456789_123456789_");
|
||||
E(f.s("\t20.8d\t|").wp(20,8).d(1234).s("|"), "\t20.8d\t| 00001234|");
|
||||
E(f.s("\t20.8d\t|").wp(20,8).d(-1234).s("|"), "\t20.8d\t| -00001234|");
|
||||
E(f.s("\t20d\t|").w(20).d(1234).s("|"), "\t20d\t| 1234|");
|
||||
E(f.s("\t-20.8d\t|").wp(-20,8).d(1234).s("|"), "\t-20.8d\t|00001234 |");
|
||||
E(f.s("\t-20.8d\t|").wp(-20,8).d(-1234).s("|"), "\t-20.8d\t|-00001234 |");
|
||||
E(f.s("\t.20b\t|").p(20).b(7).s("|"), "\t.20b\t|00000000000000000111|");
|
||||
E(f.s("\t20.5s\t|").wp(20,5).s("qwertyuiop").s("|"), "\t20.5s\t| qwert|");
|
||||
E(f.s("\t.5s\t|").p(5).s("qwertyuiop").s("|"), "\t.5s\t|qwert|");
|
||||
E(f.s("\t-20.5s\t|").wp(-20,5).s("qwertyuiop").s("|"), "\t-20.5s\t|qwert |");
|
||||
E(f.s("\t20c\t|").w(20).c('x').s("|"), "\t20c\t| x|");
|
||||
E(f.s("\t-20c\t|").w(-20).c('x').s("|"), "\t-20c\t|x |");
|
||||
E(f.s("\t20e\t|").wp(20, 6).e(1.2345e3).s("|"), "\t20e\t| 1.234500e+03|");
|
||||
E(f.s("\t20e\t|").wp(20, 6).e(1.2345e-3).s("|"), "\t20e\t| 1.234500e-03|");
|
||||
E(f.s("\t-20e\t|").wp(-20, 6).e(1.2345e3).s("|"), "\t-20e\t|1.234500e+03 |");
|
||||
E(f.s("\t20.8e\t|").wp(20,8).e(1.2345e3).s("|"), "\t20.8e\t| 1.23450000e+03|");
|
||||
E(f.s("\t20f\t|").w(20).f64(1.23456789e3).s("|"), "\t20f\t| 1234.567890|");
|
||||
E(f.s("\t20f\t|").w(20).f64(1.23456789e-3).s("|"), "\t20f\t| 0.001235|");
|
||||
E(f.s("\t20f\t|").w(20).f64(12345678901.23456789).s("|"), "\t20f\t| 12345678901.234568|");
|
||||
E(f.s("\t-20f\t|").w(-20).f64(1.23456789e3).s("|"), "\t-20f\t|1234.567890 |");
|
||||
E(f.s("\t20.8f\t|").wp(20,8).f64(1.23456789e3).s("|"), "\t20.8f\t| 1234.56789000|");
|
||||
E(f.s("\t20.8f\t|").wp(20,8).f64(1.23456789e-3).s("|"), "\t20.8f\t| 0.00123457|");
|
||||
E(f.s("\tg\t|").g64(1.23456789e3).s("|"), "\tg\t|1234.56789|");
|
||||
E(f.s("\tg\t|").g64(1.23456789e-3).s("|"), "\tg\t|0.00123456789|");
|
||||
E(f.s("\tg\t|").g64(1.23456789e20).s("|"), "\tg\t|1.23456789e+20|");
|
||||
|
||||
E(f.s("\tE\t|").w(20).g64(sys.Inf(1)).s("|"), "\tE\t| +Inf|");
|
||||
E(f.s("\tF\t|").w(-20).g64(sys.Inf(-1)).s("|"), "\tF\t|-Inf |");
|
||||
E(f.s("\tG\t|").w(20).g64(sys.NaN()).s("|"), "\tG\t| NaN|");
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user