38 lines
913 B
Plaintext
38 lines
913 B
Plaintext
module python
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imports libstrategolib signatures/- util
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signature
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constructors
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TopLevel: Ex -> Ex
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rules
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py: TopLevel(x) -> $[import sys
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class StdioC:
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def receives(self, v):
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print(v, file=sys.stdout, end='')
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return self
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def forwards(self, v):
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self.receives(v)
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return v
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Stdio = StdioC()
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[x]]
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py: Stdio() -> $[Stdio]
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py: Int(x) -> x
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py: Sum(x) -> $[sum([x])]
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py: Receives(x, y) -> $[[x].receives([y])]
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py: Enters(x, y) -> $[[y].forwards([x])]
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pylist: x -> $<[<<join(|", ")>x>]>
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strategies
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// wrap with a toplevel, then generate code from the bottom up
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python = !TopLevel(<id>); bottomup(try(py <+ pylist))
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// Interface python code generation with editor services and file system
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to-python: (selected, _, _, path, project-path) -> (filename, result)
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with filename := <guarantee-extension(|"py")> path
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; result := <python> selected
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