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

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.

diff --git a/src/interfaces/ecpg/preproc/pgc.l b/src/interfaces/ecpg/preproc/pgc.l
index b7e46866f72f1ffb677553008986bc51732f04bb..f528f214c0e842ce3e2d3df5180bcb765927b5f1 100644 (file)
--- a/src/interfaces/ecpg/preproc/pgc.l
+++ b/src/interfaces/ecpg/preproc/pgc.l
@@ -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); }