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authorEelco Dolstra <eelco.dolstra@logicblox.com>2016-01-20 00:05:28 +0100
committerEelco Dolstra <eelco.dolstra@logicblox.com>2016-01-20 00:05:28 +0100
commitb669d3d2e83d3c50238751b57cff3ed0ca39bc8a (patch)
treeda6578e8885e1c12a7d4d94634bfa4fb31b0c171 /src/libexpr/lexer.l
parent7db05781a680028380aed6a01f2a74c68907bad7 (diff)
Revert "next try for "don't abort when given unmatched '}' with 'start-condition stack underflow'. This fixes #751""
This reverts commit ed23c8568e10d15196bb4ff2b79fc14191d28109. Let's merge this *after* the 1.11.1 release.
Diffstat (limited to 'src/libexpr/lexer.l')
-rw-r--r--src/libexpr/lexer.l24
1 files changed, 7 insertions, 17 deletions
diff --git a/src/libexpr/lexer.l b/src/libexpr/lexer.l
index 478f41641..1f2957ec7 100644
--- a/src/libexpr/lexer.l
+++ b/src/libexpr/lexer.l
@@ -8,7 +8,6 @@
%x STRING
%x IND_STRING
-%x INSIDE_DOLLAR_CURLY
%{
@@ -94,8 +93,6 @@ URI [a-zA-Z][a-zA-Z0-9\+\-\.]*\:[a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~
%%
-<INITIAL,INSIDE_DOLLAR_CURLY>{
-
if { return IF; }
then { return THEN; }
@@ -127,15 +124,11 @@ or { return OR_KW; }
return INT;
}
-\$\{ { PUSH_STATE(INSIDE_DOLLAR_CURLY); return DOLLAR_CURLY; }
-}
-
-\} { return '}'; }
-<INSIDE_DOLLAR_CURLY>\} { POP_STATE(); return '}'; }
-\{ { return '{'; }
-<INSIDE_DOLLAR_CURLY>\{ { PUSH_STATE(INSIDE_DOLLAR_CURLY); return '{'; }
+\$\{ { PUSH_STATE(INITIAL); return DOLLAR_CURLY; }
+\{ { PUSH_STATE(INITIAL); return '{'; }
+\} { POP_STATE(); return '}'; }
-<INITIAL,INSIDE_DOLLAR_CURLY>\" { PUSH_STATE(STRING); return '"'; }
+\" { PUSH_STATE(STRING); return '"'; }
<STRING>([^\$\"\\]|\$[^\{\"\\]|\\.|\$\\.)*\$/\" |
<STRING>([^\$\"\\]|\$[^\{\"\\]|\\.|\$\\.)+ {
/* It is impossible to match strings ending with '$' with one
@@ -144,11 +137,11 @@ or { return OR_KW; }
yylval->e = unescapeStr(data->symbols, yytext);
return STR;
}
-<STRING>\$\{ { PUSH_STATE(INSIDE_DOLLAR_CURLY); return DOLLAR_CURLY; }
+<STRING>\$\{ { PUSH_STATE(INITIAL); return DOLLAR_CURLY; }
<STRING>\" { POP_STATE(); return '"'; }
<STRING>. return yytext[0]; /* just in case: shouldn't be reached */
-<INITIAL,INSIDE_DOLLAR_CURLY>\'\'(\ *\n)? { PUSH_STATE(IND_STRING); return IND_STRING_OPEN; }
+\'\'(\ *\n)? { PUSH_STATE(IND_STRING); return IND_STRING_OPEN; }
<IND_STRING>([^\$\']|\$[^\{\']|\'[^\'\$])+ {
yylval->e = new ExprIndStr(yytext);
return IND_STR;
@@ -165,7 +158,7 @@ or { return OR_KW; }
yylval->e = unescapeStr(data->symbols, yytext + 2);
return IND_STR;
}
-<IND_STRING>\$\{ { PUSH_STATE(INSIDE_DOLLAR_CURLY); return DOLLAR_CURLY; }
+<IND_STRING>\$\{ { PUSH_STATE(INITIAL); return DOLLAR_CURLY; }
<IND_STRING>\'\' { POP_STATE(); return IND_STRING_CLOSE; }
<IND_STRING>\' {
yylval->e = new ExprIndStr("'");
@@ -173,8 +166,6 @@ or { return OR_KW; }
}
<IND_STRING>. return yytext[0]; /* just in case: shouldn't be reached */
-<INITIAL,INSIDE_DOLLAR_CURLY>{
-
{PATH} { yylval->path = strdup(yytext); return PATH; }
{HPATH} { yylval->path = strdup(yytext); return HPATH; }
{SPATH} { yylval->path = strdup(yytext); return SPATH; }
@@ -186,7 +177,6 @@ or { return OR_KW; }
. return yytext[0];
-}
%%