diff options
Diffstat (limited to 'Regex.dcl')
| -rw-r--r-- | Regex.dcl | 38 |
1 files changed, 6 insertions, 32 deletions
@@ -1,6 +1,6 @@ definition module Regex -from StdMaybe import ::Maybe +from Data.Maybe import ::Maybe from StdOverloaded import class toString, class fromString, class zero :: Regex @@ -8,44 +8,18 @@ from StdOverloaded import class toString, class fromString, class zero :: Flag :== Int :: Flags :== Int +instance zero Flags + class toRegex a :: !Flags !a -> Maybe Regex class fromRegex a :: !Regex -> a instance toRegex String - instance fromRegex String -instance zero Flags - instance toString Regex instance fromString (Maybe Regex) -// Nothing if no match; otherwise Just i where i is the index of the match -match :: !Regex !String -> Maybe Int - -// From pcre2.h -Regex_ALLOW_EMPTY_CLASS :== 0x00000001 /* C */ -Regex_ALT_BSUX :== 0x00000002 /* C */ -Regex_AUTO_CALLOUT :== 0x00000004 /* C */ -Regex_CASELESS :== 0x00000008 /* C */ -Regex_DOLLAR_ENDONLY :== 0x00000010 /* J M D */ -Regex_DOTALL :== 0x00000020 /* C */ -Regex_DUPNAMES :== 0x00000040 /* C */ -Regex_EXTENDED :== 0x00000080 /* C */ -Regex_FIRSTLINE :== 0x00000100 /* J M D */ -Regex_MATCH_UNSET_BACKREF :== 0x00000200 /* C J M */ -Regex_MULTILINE :== 0x00000400 /* C */ -Regex_NEVER_UCP :== 0x00000800 /* C */ -Regex_NEVER_UTF :== 0x00001000 /* C */ -Regex_NO_AUTO_CAPTURE :== 0x00002000 /* C */ -Regex_NO_AUTO_POSSESS :== 0x00004000 /* C */ -Regex_NO_DOTSTAR_ANCHOR :== 0x00008000 /* C */ -Regex_NO_START_OPTIMIZE :== 0x00010000 /* J M D */ -Regex_UCP :== 0x00020000 /* C J M D */ -Regex_UNGREEDY :== 0x00040000 /* C */ -Regex_UTF :== 0x00080000 /* C J M D */ -Regex_NEVER_BACKSLASH_C :== 0x00100000 /* C */ -Regex_ALT_CIRCUMFLEX :== 0x00200000 /* J M D */ -Regex_ALT_VERBNAMES :== 0x00400000 /* C */ -Regex_USE_OFFSET_LIMIT :== 0x00800000 /* J M D */ +freeRegex :: !Regex -> String +// Nothing on error; otherwise True iff match +match :: !Regex !String -> Maybe Bool |