70 lines
2.8 KiB
Python
70 lines
2.8 KiB
Python
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from __future__ import annotations
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import unittest
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from mypyc.codegen.emit import Emitter, EmitterContext
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from mypyc.ir.ops import BasicBlock, Register, Value
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from mypyc.ir.rtypes import RTuple, bool_rprimitive, int_rprimitive, str_rprimitive
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from mypyc.namegen import NameGenerator
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class TestEmitter(unittest.TestCase):
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def setUp(self) -> None:
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self.n = Register(int_rprimitive, "n")
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self.context = EmitterContext(NameGenerator([["mod"]]))
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def test_label(self) -> None:
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emitter = Emitter(self.context, {})
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assert emitter.label(BasicBlock(4)) == "CPyL4"
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def test_reg(self) -> None:
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names: dict[Value, str] = {self.n: "n"}
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emitter = Emitter(self.context, names)
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assert emitter.reg(self.n) == "cpy_r_n"
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def test_object_annotation(self) -> None:
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emitter = Emitter(self.context, {})
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assert emitter.object_annotation("hello, world", "line;") == " /* 'hello, world' */"
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assert (
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emitter.object_annotation(list(range(30)), "line;")
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== """\
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/* [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,
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23, 24, 25, 26, 27, 28, 29] */"""
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)
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def test_emit_line(self) -> None:
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emitter = Emitter(self.context, {})
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emitter.emit_line("line;")
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emitter.emit_line("a {")
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emitter.emit_line("f();")
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emitter.emit_line("}")
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assert emitter.fragments == ["line;\n", "a {\n", " f();\n", "}\n"]
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emitter = Emitter(self.context, {})
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emitter.emit_line("CPyStatics[0];", ann="hello, world")
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emitter.emit_line("CPyStatics[1];", ann=list(range(30)))
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assert emitter.fragments[0] == "CPyStatics[0]; /* 'hello, world' */\n"
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assert (
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emitter.fragments[1]
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== """\
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CPyStatics[1]; /* [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
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21, 22, 23, 24, 25, 26, 27, 28, 29] */\n"""
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)
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def test_emit_undefined_value_for_simple_type(self) -> None:
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emitter = Emitter(self.context, {})
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assert emitter.c_undefined_value(int_rprimitive) == "CPY_INT_TAG"
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assert emitter.c_undefined_value(str_rprimitive) == "NULL"
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assert emitter.c_undefined_value(bool_rprimitive) == "2"
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def test_emit_undefined_value_for_tuple(self) -> None:
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emitter = Emitter(self.context, {})
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assert (
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emitter.c_undefined_value(RTuple([str_rprimitive, int_rprimitive, bool_rprimitive]))
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== "(tuple_T3OIC) { NULL, CPY_INT_TAG, 2 }"
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)
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assert emitter.c_undefined_value(RTuple([str_rprimitive])) == "(tuple_T1O) { NULL }"
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assert (
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emitter.c_undefined_value(RTuple([RTuple([str_rprimitive]), bool_rprimitive]))
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== "(tuple_T2T1OC) { { NULL }, 2 }"
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)
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