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Added rule to ecpg lexer to accept "Unicode surrogate pair in extended quoted

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string". This is not really needed because the string gets copied to the output
untranslated anyway, but by adding this rule the lexer stays in sync with the
backend lexer.
This commit is contained in:
Michael Meskes 2010-12-23 12:41:12 +01:00
parent 9de3aa65f0
commit 727a5a1620
1 changed files with 2 additions and 0 deletions
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src/interfaces/ecpg/preproc/pgc.l
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@ -146,6 +146,7 @@ xeinside [^\\']+
xeescape [\\][^0-7]
xeoctesc [\\][0-7]{1,3}
xehexesc [\\]x[0-9A-Fa-f]{1,2}
xeunicode [\\](u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})
/* C version of hex number */
xch 0[xX][0-9A-Fa-f]*
@ -505,6 +506,7 @@ cppline {space}*#([^i][A-Za-z]*|{if}|{ifdef}|{ifndef}|{import})(.*\\{space})*.
}
<xq,xqc,xn,xus>{xqinside} { addlit(yytext, yyleng); }
<xe>{xeinside} { addlit(yytext, yyleng); }
<xe>{xeunicode} { addlit(yytext, yyleng); }
<xe>{xeescape} { addlit(yytext, yyleng); }
<xe>{xeoctesc} { addlit(yytext, yyleng); }
<xe>{xehexesc} { addlit(yytext, yyleng); }