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author | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-03-02 16:38:43 +0000 |
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committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2012-03-02 16:38:43 +0000 |
commit | cbb6491d76c7aa81cdf5d3b3a81386129c5e2fce (patch) | |
tree | efa0c55763b34cbc633bc494c2743d1b5d9aaff3 /libgo/go/unicode | |
parent | ff2f581b00ac6759f6366c16ef902c935163aa13 (diff) | |
download | gcc-cbb6491d76c7aa81cdf5d3b3a81386129c5e2fce.zip gcc-cbb6491d76c7aa81cdf5d3b3a81386129c5e2fce.tar.gz gcc-cbb6491d76c7aa81cdf5d3b3a81386129c5e2fce.tar.bz2 |
libgo: Update to weekly.2012-02-14 release.
From-SVN: r184798
Diffstat (limited to 'libgo/go/unicode')
-rw-r--r-- | libgo/go/unicode/graphic.go | 3 | ||||
-rw-r--r-- | libgo/go/unicode/letter.go | 6 | ||||
-rw-r--r-- | libgo/go/unicode/tables.go | 2 | ||||
-rw-r--r-- | libgo/go/unicode/utf8/utf8.go | 9 |
4 files changed, 11 insertions, 9 deletions
diff --git a/libgo/go/unicode/graphic.go b/libgo/go/unicode/graphic.go index 2904da6..0de90eb 100644 --- a/libgo/go/unicode/graphic.go +++ b/libgo/go/unicode/graphic.go @@ -53,7 +53,6 @@ func IsPrint(r rune) bool { } // IsOneOf reports whether the rune is a member of one of the ranges. -// The rune is known to be above Latin-1. func IsOneOf(set []*RangeTable, r rune) bool { for _, inside := range set { if Is(inside, r) { @@ -65,7 +64,7 @@ func IsOneOf(set []*RangeTable, r rune) bool { // IsControl reports whether the rune is a control character. // The C (Other) Unicode category includes more code points -// such as surrogates; use Is(C, rune) to test for them. +// such as surrogates; use Is(C, r) to test for them. func IsControl(r rune) bool { if uint32(r) <= MaxLatin1 { return properties[uint8(r)]&pC != 0 diff --git a/libgo/go/unicode/letter.go b/libgo/go/unicode/letter.go index dcc160a..be48455 100644 --- a/libgo/go/unicode/letter.go +++ b/libgo/go/unicode/letter.go @@ -60,8 +60,8 @@ type CaseRange struct { // Methods of SpecialCase customize (by overriding) the standard mappings. type SpecialCase []CaseRange -//BUG(r): Provide a mechanism for full case folding (those that involve -// multiple runes in the input or output). +// BUG(r): There is no mechanism for full case folding, that is, for +// characters that involve multiple runes in the input or output. // Indices into the Delta arrays inside CaseRanges for case mapping. const ( @@ -288,7 +288,7 @@ type foldPair struct { // SimpleFold iterates over Unicode code points equivalent under // the Unicode-defined simple case folding. Among the code points // equivalent to rune (including rune itself), SimpleFold returns the -// smallest r >= rune if one exists, or else the smallest r >= 0. +// smallest rune >= r if one exists, or else the smallest rune >= 0. // // For example: // SimpleFold('A') = 'a' diff --git a/libgo/go/unicode/tables.go b/libgo/go/unicode/tables.go index 978c48a..5009e6b 100644 --- a/libgo/go/unicode/tables.go +++ b/libgo/go/unicode/tables.go @@ -7,7 +7,7 @@ package unicode // Version is the Unicode edition from which the tables are derived. const Version = "6.0.0" -// Categories is the set of Unicode data tables. +// Categories is the set of Unicode category tables. var Categories = map[string]*RangeTable{ "C": C, "Cc": Cc, diff --git a/libgo/go/unicode/utf8/utf8.go b/libgo/go/unicode/utf8/utf8.go index a5f9983..631533a 100644 --- a/libgo/go/unicode/utf8/utf8.go +++ b/libgo/go/unicode/utf8/utf8.go @@ -3,7 +3,7 @@ // license that can be found in the LICENSE file. // Package utf8 implements functions and constants to support text encoded in -// UTF-8. This package calls a Unicode character a rune for brevity. +// UTF-8. It includes functions to translate between runes and UTF-8 byte sequences. package utf8 import "unicode" // only needed for a couple of constants @@ -198,19 +198,21 @@ func FullRuneInString(s string) bool { } // DecodeRune unpacks the first UTF-8 encoding in p and returns the rune and its width in bytes. +// If the encoding is invalid, it returns (RuneError, 1), an impossible result for correct UTF-8. func DecodeRune(p []byte) (r rune, size int) { r, size, _ = decodeRuneInternal(p) return } // DecodeRuneInString is like DecodeRune but its input is a string. +// If the encoding is invalid, it returns (RuneError, 1), an impossible result for correct UTF-8. func DecodeRuneInString(s string) (r rune, size int) { r, size, _ = decodeRuneInStringInternal(s) return } -// DecodeLastRune unpacks the last UTF-8 encoding in p -// and returns the rune and its width in bytes. +// DecodeLastRune unpacks the last UTF-8 encoding in p and returns the rune and its width in bytes. +// If the encoding is invalid, it returns (RuneError, 1), an impossible result for correct UTF-8. func DecodeLastRune(p []byte) (r rune, size int) { end := len(p) if end == 0 { @@ -244,6 +246,7 @@ func DecodeLastRune(p []byte) (r rune, size int) { } // DecodeLastRuneInString is like DecodeLastRune but its input is a string. +// If the encoding is invalid, it returns (RuneError, 1), an impossible result for correct UTF-8. func DecodeLastRuneInString(s string) (r rune, size int) { end := len(s) if end == 0 { |