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Better error handling for incomplete syntax

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James Westman 2021-10-30 20:31:52 -05:00
parent c155ba7b15
commit c79d8dc396
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4 changed files with 33 additions and 5 deletions
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12
gtkblueprinttool/ast_utils.py
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@ -45,6 +45,11 @@ class Validator:
# same message again
instance.__dict__[key + "_err"] = True
# If the node is only partially complete, then an error must
# have already been reported at the parsing stage
if instance.incomplete:
return None
# This mess of code sets the error's start and end positions
# from the tokens passed to the decorator, if they have not
# already been set
@ -58,6 +63,13 @@ class Validator:
# Re-raise the exception
raise e
except Exception as e:
# If the node is only partially complete, then an error must
# have already been reported at the parsing stage
if instance.incomplete:
return None
else:
raise e
# Return the validation result (which other validators, or the code
# generation phase, might depend on)