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compiler.embedding: implement type annotations for function arguments.
Fixes #318.
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8a243d322f
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@ -415,6 +415,53 @@ class StitchingASTTypedRewriter(ASTTypedRewriter):
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self.host_environment = host_environment
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self.quote = quote
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def match_annotation(self, annot):
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if isinstance(annot, ast.Name):
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if annot.id == "TNone":
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return builtins.TNone()
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if annot.id == "TBool":
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return builtins.TBool()
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if annot.id == "TInt32":
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return builtins.TInt(types.TValue(32))
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if annot.id == "TInt64":
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return builtins.TInt(types.TValue(64))
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if annot.id == "TFloat":
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return builtins.TFloat()
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if annot.id == "TStr":
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return builtins.TStr()
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if annot.id == "TRange32":
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return builtins.TRange(builtins.TInt(types.TValue(32)))
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if annot.id == "TRange64":
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return builtins.TRange(builtins.TInt(types.TValue(64)))
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if annot.id == "TVar":
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return types.TVar()
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elif (isinstance(annot, ast.Call) and
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annot.keywords is None and
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annot.starargs is None and
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annot.kwargs is None and
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isinstance(annot.func, ast.Name)):
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if annot.func.id == "TList" and len(annot.args) == 1:
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elttyp = self.match_annotation(annot.args[0])
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if elttyp is not None:
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return builtins.TList()
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else:
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return None
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if annot is not None:
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diag = diagnostic.Diagnostic("error",
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"unrecognized type annotation", {},
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annot.loc)
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self.engine.process(diag)
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def visit_arg(self, node):
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typ = self._find_name(node.arg, node.loc)
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annottyp = self.match_annotation(node.annotation)
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if annottyp is not None:
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typ.unify(annottyp)
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return asttyped.argT(type=typ,
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arg=node.arg, annotation=None,
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arg_loc=node.arg_loc, colon_loc=node.colon_loc, loc=node.loc)
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def visit_quoted_function(self, node, function):
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extractor = LocalExtractor(env_stack=self.env_stack, engine=self.engine)
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extractor.visit(node)
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@ -307,8 +307,14 @@ class ASTTypedRewriter(algorithm.Transformer):
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self.in_class = old_in_class
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def visit_arg(self, node):
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if node.annotation is not None:
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diag = diagnostic.Diagnostic("fatal",
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"type annotations are not supported here", {},
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node.annotation.loc)
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self.engine.process(diag)
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return asttyped.argT(type=self._find_name(node.arg, node.loc),
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arg=node.arg, annotation=self.visit(node.annotation),
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arg=node.arg, annotation=None,
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arg_loc=node.arg_loc, colon_loc=node.colon_loc, loc=node.loc)
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def visit_Num(self, node):
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@ -137,6 +137,21 @@ class RPCTest(ExperimentCase):
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exp.builtin()
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class _Annotation(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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@kernel
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def overflow(self, x: TInt64) -> TBool:
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return (x << 32) != 0
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class AnnotationTest(ExperimentCase):
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def test_annotation(self):
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exp = self.create(_Annotation)
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self.assertEqual(exp.overflow(1), True)
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class _Payload1MB(EnvExperiment):
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def build(self):
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self.setattr_device("core")
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