107            diag::ext_nonstandard_escape) << "e";  in ProcessCharEscape()
113            diag::ext_nonstandard_escape) << "E";  in ProcessCharEscape()
136              diag::err_hex_escape_no_digits) << "x";  in ProcessCharEscape()
162            diag::err_escape_too_large) << 0;  in ProcessCharEscape()
185              diag::err_escape_too_large) << 1;  in ProcessCharEscape()
196            diag::ext_nonstandard_escape)  in ProcessCharEscape()
205            diag::ext_unknown_escape)  in ProcessCharEscape()
209            diag::ext_unknown_escape)  in ProcessCharEscape()
275            diag::err_hex_escape_no_digits) << StringRef(&ThisTokBuf[-1], 1);  in ProcessUCNEscape()
290            diag::err_ucn_escape_incomplete);  in ProcessUCNEscape()
299            diag::err_ucn_escape_invalid);  in ProcessUCNEscape()
312              IsError ? diag::err_ucn_escape_basic_scs :  in ProcessUCNEscape()
313                        diag::warn_cxx98_compat_literal_ucn_escape_basic_scs)  in ProcessUCNEscape()
317              IsError ? diag::err_ucn_control_character :  in ProcessUCNEscape()
318                        diag::warn_cxx98_compat_literal_ucn_control_character);  in ProcessUCNEscape()
326          diag::warn_ucn_not_valid_in_c89_literal);  in ProcessUCNEscape()
678             diag::err_invalid_suffix_constant)  in NumericLiteralParser()
687             diag::ext_imaginary_constant);  in NumericLiteralParser()
701             diag::err_invalid_digit) << StringRef(s, 1) << (radix == 8 ? 1 : 0);  in ParseDecimalOrOctalCommon()
727               diag::err_exponent_has_no_digits);  in ParseDecimalOrOctalCommon()
771             diag::err_digit_separator_not_between_digits)  in checkSeparator()
809               diag::err_hex_constant_requires)  in ParseNumberStartingWithZero()
826                 diag::err_exponent_has_no_digits);  in ParseNumberStartingWithZero()
835                             ? diag::ext_hex_literal_invalid  in ParseNumberStartingWithZero()
836                             : diag::ext_hex_constant_invalid);  in ParseNumberStartingWithZero()
838         PP.Diag(TokLoc, diag::warn_cxx1z_hex_literal);  in ParseNumberStartingWithZero()
841               diag::err_hex_constant_requires)  in ParseNumberStartingWithZero()
853               ? diag::warn_cxx11_compat_binary_literal  in ParseNumberStartingWithZero()
855                 ? diag::ext_binary_literal_cxx14  in ParseNumberStartingWithZero()
856                 : diag::ext_binary_literal);  in ParseNumberStartingWithZero()
866               diag::err_invalid_digit) << StringRef(s, 1) << 2;  in ParseNumberStartingWithZero()
1115         unsigned Msg = diag::err_bad_character_encoding;  in CharLiteralParser()
1117           Msg = diag::warn_bad_character_encoding;  in CharLiteralParser()
1131             PP.Diag(Loc, diag::err_character_too_large);  in CharLiteralParser()
1147         PP.Diag(Loc, diag::err_character_too_large);  in CharLiteralParser()
1165       PP.Diag(Loc, diag::warn_extraneous_char_constant);  in CharLiteralParser()
1167       PP.Diag(Loc, diag::ext_four_char_character_literal);  in CharLiteralParser()
1169       PP.Diag(Loc, diag::ext_multichar_character_literal);  in CharLiteralParser()
1171       PP.Diag(Loc, diag::err_multichar_utf_character_literal);  in CharLiteralParser()
1196     PP.Diag(Loc, diag::warn_char_constant_too_large);  in CharLiteralParser()
1316                         diag::err_unsupported_string_concat);  in init()
1397             Diags->Report(TokLoc, diag::err_string_concat_mixed_suffix)  in init()
1539                       diag::err_pascal_string_too_long)  in init()
1551                     diag::ext_string_too_long)  in init()
1594            NoErrorOnBadEncoding ? diag::warn_bad_string_encoding  in CopyStringFragment()
1595                                 : diag::err_bad_string_encoding);  in CopyStringFragment()
1619     Diags->Report(Loc, diag::err_lexing_string);  in DiagnoseLexingError()