diff options
Diffstat (limited to 'lib/Lex/Lexer.cpp')
| -rw-r--r-- | lib/Lex/Lexer.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp index 802024f79b..a98d889dbc 100644 --- a/lib/Lex/Lexer.cpp +++ b/lib/Lex/Lexer.cpp @@ -1373,6 +1373,12 @@ void Lexer::LexStringLiteral(Token &Result, const char *CurPtr, tok::TokenKind Kind) { const char *NulCharacter = 0; // Does this string contain the \0 character? + if (!isLexingRawMode() && + (Kind == tok::utf8_string_literal || + Kind == tok::utf16_string_literal || + Kind == tok::utf32_string_literal)) + Diag(BufferPtr, diag::warn_cxx98_compat_unicode_literal); + char C = getAndAdvanceChar(CurPtr, Result); while (C != '"') { // Skip escaped characters. Escaped newlines will already be processed by @@ -1419,6 +1425,9 @@ void Lexer::LexRawStringLiteral(Token &Result, const char *CurPtr, // any transformations performed in phases 1 and 2 (trigraphs, // universal-character-names, and line splicing) are reverted. + if (!isLexingRawMode()) + Diag(BufferPtr, diag::warn_cxx98_compat_raw_string_literal); + unsigned PrefixLen = 0; while (PrefixLen != 16 && isRawStringDelimBody(CurPtr[PrefixLen])) @@ -1523,6 +1532,10 @@ void Lexer::LexCharConstant(Token &Result, const char *CurPtr, tok::TokenKind Kind) { const char *NulCharacter = 0; // Does this character contain the \0 character? + if (!isLexingRawMode() && + (Kind == tok::utf16_char_constant || Kind == tok::utf32_char_constant)) + Diag(BufferPtr, diag::warn_cxx98_compat_unicode_literal); + char C = getAndAdvanceChar(CurPtr, Result); if (C == '\'') { if (!isLexingRawMode() && !Features.AsmPreprocessor) @@ -2799,6 +2812,8 @@ LexNextToken: char After = getCharAndSize(CurPtr + SizeTmp + SizeTmp2, SizeTmp3); if (After != ':' && After != '>') { Kind = tok::less; + if (!isLexingRawMode()) + Diag(BufferPtr, diag::warn_cxx98_compat_less_colon_colon); break; } } |