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[c++1z] Support for u8 character literals.

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llvm-svn: 221576
This commit is contained in:
Richard Smith
2014-11-08 06:08:42 +00:00
parent cf29675d95
commit 3e3a705062
12 changed files with 56 additions and 14 deletions
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8
clang/lib/Lex/LiteralSupport.cpp
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@@ -28,6 +28,7 @@ static unsigned getCharWidth(tok::TokenKind kind, const TargetInfo &Target) {
default: llvm_unreachable("Unknown token type!");
case tok::char_constant:
case tok::string_literal:
case tok::utf8_char_constant:
case tok::utf8_string_literal:
return Target.getCharWidth();
case tok::wide_char_constant:
@@ -1031,9 +1032,10 @@ CharLiteralParser::CharLiteralParser(const char *begin, const char *end,
const char *TokBegin = begin;
// Skip over wide character determinant.
if (Kind != tok::char_constant) {
if (Kind != tok::char_constant)
++begin;
if (Kind == tok::utf8_char_constant)
++begin;
}
// Skip over the entry quote.
assert(begin[0] == '\'' && "Invalid token lexed");
@@ -1077,6 +1079,8 @@ CharLiteralParser::CharLiteralParser(const char *begin, const char *end,
if (tok::wide_char_constant == Kind) {
largest_character_for_kind =
0xFFFFFFFFu >> (32-PP.getTargetInfo().getWCharWidth());
} else if (tok::utf8_char_constant == Kind) {
largest_character_for_kind = 0x7F;
} else if (tok::utf16_char_constant == Kind) {
largest_character_for_kind = 0xFFFF;
} else if (tok::utf32_char_constant == Kind) {