diff options
Diffstat (limited to 'src/libexpr/lexer.l')
-rw-r--r-- | src/libexpr/lexer.l | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/libexpr/lexer.l b/src/libexpr/lexer.l index 9f0f0b335..23a14324f 100644 --- a/src/libexpr/lexer.l +++ b/src/libexpr/lexer.l @@ -4,6 +4,7 @@ %x STRING +%x IND_STRING %{ @@ -122,6 +123,14 @@ inherit { return INHERIT; } <STRING>\" { BEGIN(INITIAL); return '"'; } <STRING>. return yytext[0]; /* just in case: shouldn't be reached */ +\'\'(\ *\n)? { BEGIN(IND_STRING); return IND_STRING_OPEN; } +<IND_STRING>([^\$\']|\$[^\{\']|\'[^\'])+ { + yylval->t = makeIndStr(toATerm(yytext)); + return IND_STR; + } +<IND_STRING>\$\{ { BEGIN(INITIAL); return DOLLAR_CURLY; } +<IND_STRING>\'\' { BEGIN(INITIAL); return IND_STRING_CLOSE; } +<IND_STRING>. return yytext[0]; /* just in case: shouldn't be reached */ {PATH} { yylval->t = toATerm(yytext); return PATH; /* !!! alloc */ } {URI} { yylval->t = toATerm(yytext); return URI; /* !!! alloc */ } @@ -148,4 +157,10 @@ void backToString(yyscan_t scanner) BEGIN(STRING); } +void backToIndString(yyscan_t scanner) +{ + struct yyguts_t * yyg = (struct yyguts_t *) scanner; + BEGIN(IND_STRING); +} + } |