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* Fix the parsing of

Browse source 
''
      '${foo}'
    ''
    
  where the antiquote should work as expected, instead of giving the
  string "'${foo}'".
This commit is contained in:
Eelco Dolstra 2008-02-05 13:38:07 +00:00
parent 4066f450c2
commit 0ed89c569f
1 changed files with 5 additions and 1 deletions
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6
src/libexpr/lexer.l
View file

@ -124,7 +124,7 @@ inherit { return INHERIT; }
<STRING>. return yytext[0]; /* just in case: shouldn't be reached */ <STRING>. return yytext[0]; /* just in case: shouldn't be reached */
\'\'(\ *\n)? { BEGIN(IND_STRING); return IND_STRING_OPEN; } \'\'(\ *\n)? { BEGIN(IND_STRING); return IND_STRING_OPEN; }
<IND_STRING>([^\$\']|\$[^\{\']|\'[^\'])+ { <IND_STRING>([^\$\']|\$[^\{\']|\'[^\'\$])+ {
yylval->t = makeIndStr(toATerm(yytext)); yylval->t = makeIndStr(toATerm(yytext));
return IND_STR; return IND_STR;
} }
@ -142,6 +142,10 @@ inherit { return INHERIT; }
} }
<IND_STRING>\$\{ { BEGIN(INITIAL); return DOLLAR_CURLY; } <IND_STRING>\$\{ { BEGIN(INITIAL); return DOLLAR_CURLY; }
<IND_STRING>\'\' { BEGIN(INITIAL); return IND_STRING_CLOSE; } <IND_STRING>\'\' { BEGIN(INITIAL); return IND_STRING_CLOSE; }
<IND_STRING>\' {
yylval->t = makeIndStr(toATerm("'"));
return IND_STR;
}
<IND_STRING>. return yytext[0]; /* just in case: shouldn't be reached */ <IND_STRING>. return yytext[0]; /* just in case: shouldn't be reached */
{PATH} { yylval->t = toATerm(yytext); return PATH; /* !!! alloc */ } {PATH} { yylval->t = toATerm(yytext); return PATH; /* !!! alloc */ }