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93 lines
3.1 KiB
Python
93 lines
3.1 KiB
Python
import pytest
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from il65.plyparse import IncrDecr, AugAssignment, VarDef, SymbolName
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from il65.optimize import optimize
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from .test_parser import parse_source
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def test_incrdecr_joins_nonfloat():
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src = """~ test {
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X ++
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X ++
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X += 10
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Y--
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Y--
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Y-=20
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}"""
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result = parse_source(src)
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testscope = result.scope.nodes[0].nodes[0]
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assert len(testscope.nodes) == 6
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assert isinstance(testscope.nodes[0], IncrDecr)
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assert testscope.nodes[0].howmuch == 1
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assert isinstance(testscope.nodes[1], IncrDecr)
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assert testscope.nodes[1].howmuch == 1
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assert isinstance(testscope.nodes[2], AugAssignment)
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assert testscope.nodes[2].right.value == 10
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assert isinstance(testscope.nodes[3], IncrDecr)
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assert testscope.nodes[3].howmuch == 1
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assert isinstance(testscope.nodes[4], IncrDecr)
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assert testscope.nodes[4].howmuch == 1
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assert isinstance(testscope.nodes[5], AugAssignment)
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assert testscope.nodes[5].right.value == 20
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# now optimize the incrdecrs (joins them)
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optimize(result)
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testscope = result.scope.nodes[0].nodes[0]
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assert len(testscope.nodes) == 2 # @todo broken optimization right now
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assert isinstance(testscope.nodes[0], IncrDecr)
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assert testscope.nodes[0].operator == "++"
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assert testscope.nodes[0].howmuch == 12
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assert isinstance(testscope.nodes[1], IncrDecr)
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assert testscope.nodes[1].operator == "--"
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assert testscope.nodes[1].howmuch == 22
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def test_incrdecr_joins_float():
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src = """~ test {
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var .float flt = 0
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flt ++
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flt ++
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flt += 10
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flt --
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flt --
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flt --
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flt -= 5
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}"""
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result = parse_source(src)
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testscope = result.scope.nodes[0].nodes[0]
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assert len(testscope.nodes) == 8
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# now optimize the incrdecrs (joins them)
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optimize(result)
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testscope = result.scope.nodes[0].nodes[0]
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assert len(testscope.nodes) == 2
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assert isinstance(testscope.nodes[0], VarDef)
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assert isinstance(testscope.nodes[1], IncrDecr)
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assert testscope.nodes[1].operator == "++"
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assert testscope.nodes[1].howmuch == 4
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assert isinstance(testscope.nodes[1].target, SymbolName)
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assert testscope.nodes[1].target.name == "flt"
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def test_large_incrdecr_to_augassign():
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src = """~ test {
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X ++
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X ++
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X += 255
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Y --
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Y --
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Y -= 255
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}"""
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result = parse_source(src)
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testscope = result.scope.nodes[0].nodes[0]
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assert len(testscope.nodes) == 6
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# now optimize; joins the incrdecrs then converts to augassign because values are too large.
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optimize(result)
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testscope = result.scope.nodes[0].nodes[0]
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assert len(testscope.nodes) == 2
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assert isinstance(testscope.nodes[0], AugAssignment)
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assert testscope.nodes[0].left.name == "X"
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assert testscope.nodes[0].operator == "+="
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assert testscope.nodes[0].right.value == 257
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assert isinstance(testscope.nodes[1], AugAssignment)
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assert testscope.nodes[1].left.name == "Y"
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assert testscope.nodes[1].operator == "-="
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assert testscope.nodes[1].right.value == 257
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