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ported re.nim to ARC

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Araq 2019-12-24 11:45:54 +01:00 • committed by Andreas Rumpf
commit bafb4f119c
1 changed files with 10 additions and 1 deletions
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9
lib/impure/re.nim
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@ -45,6 +45,12 @@ type
RegexError* = object of ValueError RegexError* = object of ValueError
## is raised if the pattern is no valid regular expression. ## is raised if the pattern is no valid regular expression.
when defined(gcDestructors):
proc `=destroy`(x: var RegexDesc) =
pcre.free_substring(cast[cstring](x.h))
if not isNil(x.e):
pcre.free_study(x.e)
proc raiseInvalidRegex(msg: string) {.noinline, noreturn.} = proc raiseInvalidRegex(msg: string) {.noinline, noreturn.} =
var e: ref RegexError var e: ref RegexError
new(e) new(e)
@ -73,6 +79,9 @@ proc re*(s: string, flags = {reStudy}): Regex =
## Note that Nim's ## Note that Nim's
## extended raw string literals support the syntax ``re"[abc]"`` as ## extended raw string literals support the syntax ``re"[abc]"`` as
## a short form for ``re(r"[abc]")``. ## a short form for ``re(r"[abc]")``.
when defined(gcDestructors):
result = Regex()
else:
new(result, finalizeRegEx) new(result, finalizeRegEx)
result.h = rawCompile(s, cast[cint](flags - {reStudy})) result.h = rawCompile(s, cast[cint](flags - {reStudy}))
if reStudy in flags: if reStudy in flags: