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implemented /re/i for case-insensitive patterns

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This commit is contained in:
Vern Paxson 2018-06-26 15:59:41 -07:00
parent bd5414d8d5
commit 80b3b82b54
8 changed files with 117 additions and 27 deletions
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9
src/parse.y
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@ -14,7 +14,7 @@
%token TOK_DOUBLE TOK_ELSE TOK_ENUM TOK_EVENT TOK_EXPORT TOK_FALLTHROUGH
%token TOK_FILE TOK_FOR TOK_FUNCTION TOK_GLOBAL TOK_HOOK TOK_ID TOK_IF TOK_INT
%token TOK_INTERVAL TOK_LIST TOK_LOCAL TOK_MODULE
%token TOK_NEXT TOK_OF TOK_OPAQUE TOK_PATTERN TOK_PATTERN_TEXT
%token TOK_NEXT TOK_OF TOK_OPAQUE TOK_PATTERN TOK_PATTERN_END TOK_PATTERN_TEXT
%token TOK_PORT TOK_PRINT TOK_RECORD TOK_REDEF
%token TOK_REMOVE_FROM TOK_RETURN TOK_SCHEDULE TOK_SET
%token TOK_STRING TOK_SUBNET TOK_SWITCH TOK_TABLE
@ -52,7 +52,7 @@
%left '$' '[' ']' '(' ')' TOK_HAS_FIELD TOK_HAS_ATTR
%nonassoc TOK_AS TOK_IS
%type <b> opt_no_test opt_no_test_block opt_deprecated
%type <b> opt_no_test opt_no_test_block opt_deprecated TOK_PATTERN_END
%type <str> TOK_ID TOK_PATTERN_TEXT
%type <id> local_id global_id def_global_id event_id global_or_event_id resolve_id begin_func case_type
%type <id_l> local_id_list case_type_list
@ -723,13 +723,16 @@ expr:
$$ = new ConstExpr($1);
}
| '/' { begin_RE(); } TOK_PATTERN_TEXT { end_RE(); } '/'
| '/' { begin_RE(); } TOK_PATTERN_TEXT TOK_PATTERN_END
{
set_location(@3);
RE_Matcher* re = new RE_Matcher($3);
delete [] $3;
if ( $4 )
re->MakeCaseInsensitive();
re->Compile();
$$ = new ConstExpr(new PatternVal(re));
}