mirror of https://github.com/m-labs/artiq
104 lines
3.5 KiB
Python
104 lines
3.5 KiB
Python
import sys, fileinput, os
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from pythonparser import source, diagnostic, algorithm, parse_buffer
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from .. import prelude, types
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from ..transforms import ASTTypedRewriter, Inferencer, IntMonomorphizer, CastMonomorphizer
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from ..transforms import IODelayEstimator
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from ..validators import ConstnessValidator
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class Printer(algorithm.Visitor):
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"""
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:class:`Printer` prints ``:`` and the node type after every typed node,
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and ``->`` and the node type before the colon in a function definition.
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In almost all cases (except function definition) this does not result
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in valid Python syntax.
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:ivar rewriter: (:class:`pythonparser.source.Rewriter`) rewriter instance
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"""
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def __init__(self, buf):
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self.rewriter = source.Rewriter(buf)
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self.type_printer = types.TypePrinter()
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def rewrite(self):
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return self.rewriter.rewrite()
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def visit_FunctionDefT(self, node):
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super().generic_visit(node)
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self.rewriter.insert_before(node.colon_loc,
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"->{}".format(self.type_printer.name(node.return_type)))
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def visit_ExceptHandlerT(self, node):
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super().generic_visit(node)
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if node.name_loc:
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self.rewriter.insert_after(node.name_loc,
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":{}".format(self.type_printer.name(node.name_type)))
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def visit_ForT(self, node):
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super().generic_visit(node)
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if node.trip_count is not None and node.trip_interval is not None:
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self.rewriter.insert_after(node.keyword_loc,
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"[{} x {} mu]".format(node.trip_count.fold(),
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node.trip_interval.fold()))
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def generic_visit(self, node):
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super().generic_visit(node)
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if hasattr(node, "type"):
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self.rewriter.insert_after(node.loc,
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":{}".format(self.type_printer.name(node.type)))
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def main():
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if len(sys.argv) > 1 and sys.argv[1] == "+mono":
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del sys.argv[1]
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monomorphize = True
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else:
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monomorphize = False
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if len(sys.argv) > 1 and sys.argv[1] == "+iodelay":
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del sys.argv[1]
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iodelay = True
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else:
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iodelay = False
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if len(sys.argv) > 1 and sys.argv[1] == "+diag":
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del sys.argv[1]
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def process_diagnostic(diag):
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print("\n".join(diag.render(only_line=True)))
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if diag.level == "fatal":
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exit()
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else:
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def process_diagnostic(diag):
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print("\n".join(diag.render()))
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if diag.level in ("fatal", "error"):
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exit(1)
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engine = diagnostic.Engine()
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engine.process = process_diagnostic
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buf = source.Buffer("".join(fileinput.input()).expandtabs(),
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os.path.basename(fileinput.filename()))
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parsed, comments = parse_buffer(buf, engine=engine)
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typed = ASTTypedRewriter(engine=engine, prelude=prelude.globals()).visit(parsed)
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Inferencer(engine=engine).visit(typed)
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ConstnessValidator(engine=engine).visit(typed)
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if monomorphize:
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CastMonomorphizer(engine=engine).visit(typed)
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IntMonomorphizer(engine=engine).visit(typed)
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Inferencer(engine=engine).visit(typed)
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if iodelay:
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IODelayEstimator(engine=engine, ref_period=1e6).visit_fixpoint(typed)
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printer = Printer(buf)
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printer.visit(typed)
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for comment in comments:
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if comment.text.find("CHECK") >= 0:
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printer.rewriter.remove(comment.loc)
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print(printer.rewrite().source)
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if __name__ == "__main__":
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main()
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