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Add IGNORECASE ability to Token Remapping. #67

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Add IGNORECASE ability to Token Remapping. #67

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8 changes: 7 additions & 1 deletion sly/lex.py
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Original file line number Diff line number Diff line change
Expand Up @@ -277,6 +277,8 @@ def _build(cls):
for (key, val), newtok in cls._remap.items():
if key not in cls._remapping:
cls._remapping[key] = {}
if cls.reflags & re.IGNORECASE:
val = val.lower()
cls._remapping[key][val] = newtok

remapped_toks = set()
Expand Down Expand Up @@ -411,7 +413,11 @@ def _reject():
tok.type = m.lastgroup

if tok.type in _remapping:
tok.type = _remapping[tok.type].get(tok.value, tok.type)
if self.reflags & re.IGNORECASE:
token_search = tok.value.lower()
else:
token_search = tok.value
tok.type = _remapping[tok.type].get(token_search, tok.type)

if tok.type in _token_funcs:
self.index = index
Expand Down