Optional default tag for union type #227
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nellaG
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src/Nirum/Targets/Python.hs
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| @@ -1098,7 +1107,7 @@ class $className(service_type): | |||
| $methodNameMap | |||
| ]) | |||
| __nirum_method_annotations__ = $methodAnnotations' | |||
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| __valerie__ = True | |||
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src/Nirum/Parser.hs
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| tag = do | ||
| annotationSet' <- annotationSet <?> "union tag annotations" | ||
| spaces | ||
| -- CHECK: If a new reserved keyword is introduced, it has to be also | ||
| -- added to `reservedKeywords` set in the `Nirum.Constructs.Identifier` | ||
| -- module. |
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This check comment should go to the top of Parser.hs source. See also Checkmate docs. Since it's sensitive to block indentation levels, if a CHECK comment is too deeply inside it could be hardly warned.
src/Nirum/Targets/Python.hs
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| @@ -1104,36 +1121,33 @@ class $className({T.intercalate "," $ compileExtendClasses annotations}): | |||
| else: | |||
| name = attribute_name | |||
| tag_types = cls.__nirum_tag_types__ | |||
| if callable(tag_types): # old compiler could generate non-callable map | |||
| # old compiler could generate non-callable map | |||
| if callable(tag_types): | |||
| tag_types = dict(tag_types()) | |||
| try: | |||
| args[name] = deserialize_meta(tag_types[name], item) | |||
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Despite this kind of conditionals are necessary for the runtime library to be compatible old and new versions of the compiler, it's no more needed for compiler-generated codes; it's guaranteed that it's always generated by the new one.
src/Nirum/Targets/Python.hs
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| @@ -200,6 +207,9 @@ runCodeGen :: CodeGen a | |||
| -> (Either CompileError' a, CodeGenContext) | |||
| runCodeGen = C.runCodeGen | |||
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| renderCompileText :: BI.Markup -> T.Text | |||
| renderCompileText = toStrict . renderMarkup | |||
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These toStrict $ renderMarkup ... codes have remained by intention; they need to be merely removed in the near future by replacing type CompileResult Python = Code with type CompileResult Python = BI.Markup.
src/Nirum/Targets/Python.hs
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| @@ -1007,17 +1018,10 @@ class $className(object): | |||
| ] | |||
| compileTypeDeclaration src | |||
| d@TypeDeclaration { typename = typename' | |||
| , type' = UnionType tags | |||
| , type' = u | |||
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We don't need to define tags like the following code in where clause:
tags :: [Tag]
tags = findTags uInstead we can just match both of UnionType and its tags:
, type' = u@(UnionType tags)Also we should rename u to better one.
src/Nirum/Targets/Python.hs
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| {arg "cls" "type"}, value | ||
| ){ ret className }: | ||
| #{arg "cls" "type"}, value | ||
| )#{ ret className }: |
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Since we now have proper conditionals through Heterocephalus, things like arg "cls" "type" or ret className can be avoided. See also compileTypeDeclaration function for EnumType:
@classmethod
%{ case pyVer }
%{ of Python2 }
def __nirum_deserialize__(cls, value):
%{ of Python3 }
def __nirum_deserialize__(cls: type, value: str) -> '#{className}':
%{ endcase }
return cls(value.replace('-', '_')) # FIXME: validate input
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implements #13 .