38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
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from hy.macros import macro, macroexpand
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from hy.lex import tokenize
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from hy.models.string import HyString
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from hy.models.list import HyList
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from hy.models.symbol import HySymbol
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from hy.models.expression import HyExpression
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@macro("test")
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def tmac(*tree):
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""" Turn an expression into a list """
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return HyList(tree)
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def test_preprocessor_simple():
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""" Test basic macro expansion """
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obj = macroexpand(tokenize('(test "one" "two")')[0], __name__)
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assert obj == HyList(["one", "two"])
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assert type(obj) == HyList
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def test_preprocessor_expression():
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""" Test that macro expansion doesn't recurse"""
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obj = macroexpand(tokenize('(test (test "one" "two"))')[0], __name__)
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assert type(obj) == HyList
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assert type(obj[0]) == HyExpression
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assert obj[0] == HyExpression([HySymbol("test"),
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HyString("one"),
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HyString("two")])
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obj = HyList([HyString("one"), HyString("two")])
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obj = tokenize('(shill ["one" "two"])')[0][1]
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assert obj == macroexpand(obj, '')
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