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113 lines
4.6 KiB
Python
113 lines
4.6 KiB
Python
import pytest
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from il65.datatypes import DataType, VarType
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from il65.plyparse import (LiteralValue, VarDef, DatatypeNode, ExpressionWithOperator,
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Scope, AddressOf, SymbolName, UndefinedSymbolError)
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from il65.plylex import SourceRef
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def test_creation():
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sref = SourceRef("test", 1, 1)
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v = VarDef(name="v1", vartype="const", datatype=None, sourceref=sref)
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assert v.name == "v1"
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assert v.vartype == VarType.CONST
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assert v.datatype == DataType.BYTE
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assert v.size == [1]
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assert v.value is None
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assert v.zp_address is None
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v = VarDef(name="v2", vartype="memory", datatype=None, sourceref=sref)
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assert v.vartype == VarType.MEMORY
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assert isinstance(v.value, LiteralValue)
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assert v.value.value == 0
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dt = DatatypeNode(name="float", sourceref=sref)
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v = VarDef(name="v2", vartype="var", datatype=dt, sourceref=sref)
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assert v.vartype == VarType.VAR
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assert v.datatype == DataType.FLOAT
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assert isinstance(v.value, LiteralValue)
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assert v.value.value == 0
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dt = DatatypeNode(name="matrix", sourceref=sref)
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with pytest.raises(ValueError):
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VarDef(name="v2", vartype="var", datatype=dt, sourceref=sref)
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dt.dimensions = [2, 3]
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v = VarDef(name="v2", vartype="var", datatype=dt, sourceref=sref)
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assert v.vartype == VarType.VAR
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assert v.datatype == DataType.MATRIX
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assert v.size == [2, 3]
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assert isinstance(v.value, LiteralValue)
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assert v.value.value == 0
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dt = DatatypeNode(name="text", sourceref=sref)
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v = VarDef(name="v2", vartype="var", datatype=dt, sourceref=sref)
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assert v.vartype == VarType.VAR
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assert v.datatype == DataType.STRING
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assert v.size == [1]
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assert v.value is None
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def test_set_value():
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sref = SourceRef("test", 1, 1)
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v = VarDef(name="v1", vartype="var", datatype=DatatypeNode(name="word", sourceref=sref), sourceref=sref)
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assert v.datatype == DataType.WORD
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assert v.value.value == 0
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v.value = LiteralValue(value=42, sourceref=sref)
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assert v.value.value == 42
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v = VarDef(name="v1", vartype="var", datatype=DatatypeNode(name="text", sourceref=sref), sourceref=sref)
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assert v.datatype == DataType.STRING
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assert v.value is None
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v.value = LiteralValue(value="hello", sourceref=sref)
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assert v.value.value == "hello"
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e = ExpressionWithOperator(operator="-", sourceref=sref)
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e.left = LiteralValue(value=42, sourceref=sref)
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v.value = e
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assert v.value is e
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def test_const_value():
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sref = SourceRef("test", 1, 1)
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scope = Scope(nodes=[], level="block", sourceref=sref)
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vardef = VarDef(name="constvar", vartype="const", datatype=None, sourceref=sref)
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vardef.value = LiteralValue(value=43, sourceref=sref)
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scope.add_node(vardef)
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vardef = VarDef(name="varvar", vartype="var", datatype=None, sourceref=sref)
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vardef.value = LiteralValue(value=44, sourceref=sref)
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scope.add_node(vardef)
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vardef = VarDef(name="memvar", vartype="memory", datatype=None, sourceref=sref)
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vardef.value = LiteralValue(value=45, sourceref=sref)
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scope.add_node(vardef)
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v = VarDef(name="v1", vartype="var", datatype=DatatypeNode(name="word", sourceref=sref), sourceref=sref)
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with pytest.raises(TypeError):
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v.const_value()
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v = VarDef(name="v1", vartype="memory", datatype=DatatypeNode(name="word", sourceref=sref), sourceref=sref)
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with pytest.raises(TypeError):
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v.const_value()
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v = VarDef(name="v1", vartype="const", datatype=DatatypeNode(name="word", sourceref=sref), sourceref=sref)
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with pytest.raises(ValueError):
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v.const_value()
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v.value = LiteralValue(value=42, sourceref=sref)
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assert v.const_value() == 42
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v = VarDef(name="v1", vartype="const", datatype=DatatypeNode(name="float", sourceref=sref), sourceref=sref)
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with pytest.raises(ValueError):
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v.const_value()
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v.value = LiteralValue(value=42.9988, sourceref=sref)
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assert v.const_value() == 42.9988
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e = ExpressionWithOperator(operator="-", sourceref=sref)
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e.left = LiteralValue(value=42, sourceref=sref)
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v.value = e
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assert v.const_value() == -42
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s = SymbolName(name="unexisting", sourceref=sref)
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s.parent = scope
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v.value = s
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with pytest.raises(UndefinedSymbolError):
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v.const_value()
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s = SymbolName(name="constvar", sourceref=sref)
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s.parent = scope
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v.value = s
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assert v.const_value() == 43
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a = AddressOf(name="varvar", sourceref=sref)
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a.parent = scope
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v.value = a
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with pytest.raises(TypeError):
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v.const_value()
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a = AddressOf(name="memvar", sourceref=sref)
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a.parent = scope
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v.value = a
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assert v.const_value() == 45
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