def test_interpret_assignment_2_exit():
    statement = SyntaxAssignment(
        terms=[
            SyntaxNumber(int32(300)),
            SyntaxNumber(int32(400)),
        ],
        bindings=[
            SyntaxIdentifier("abc"),
            SyntaxIdentifier("def"),
        ],
    )
    frame_stack = init_test_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([]),
    )
    interpret_statement(frame_stack)
    interpret_statement(frame_stack)
    interpret_statement(frame_stack)
    assert frame_stack == init_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([]),
        test_environment({
            "abc": MachineNumber(int32(300)),
            "def": MachineNumber(int32(400)),
        }),
        statement_index=1,
    )
Exemple #2
0
def test_call_generate_values():
    call = GuestCall(
        definition_environment=test_environment(),
        definition_block=SyntaxBlock(
            [
                SyntaxExpression(
                    [
                        SyntaxNumber(int32(2)),
                        SyntaxNumber(int32(3)),
                        SyntaxNumber(int32(4)),
                    ]
                )
            ]
        ),
    )
    block = SyntaxBlock(
        [SyntaxExpression([SyntaxIdentifier("seq")])]
    )
    expression_stack = MachineExpressionStack(
        [MachineNumber(int32(1))]
    )
    environment = test_environment({"seq": call})
    interpret(block, expression_stack, environment)
    assert expression_stack == MachineExpressionStack(
        [
            MachineNumber(int32(1)),
            MachineNumber(int32(2)),
            MachineNumber(int32(3)),
            MachineNumber(int32(4)),
        ]
    )
Exemple #3
0
def test_interpret():
    block = SyntaxBlock([
        SyntaxExpression([
            SyntaxNumber(int32(1)),
            SyntaxNumber(int32(2)),
            SyntaxNumber(int32(3)),
        ])
    ])
    expression_stack = MachineExpressionStack([])
    environment = test_environment()
    interpret(block, expression_stack, environment)
    assert expression_stack == MachineExpressionStack([
        MachineNumber(int32(1)),
        MachineNumber(int32(2)),
        MachineNumber(int32(3)),
    ])
def test_interpret_block_exit():
    block = SyntaxBlock(
        [SyntaxExpression([SyntaxNumber(int32(4))])]
    )
    frame_stack = init_test_frame_stack(
        block, MachineExpressionStack([]), statement_index=1
    )
    interpret_block(frame_stack)
    assert frame_stack == MachineFrameStack([])
def test_interpret_number():
    term = SyntaxNumber(int32(100))
    frame_stack = init_test_frame_stack(init_term_block(term),
                                        MachineExpressionStack([]))
    interpret_term(frame_stack)
    assert frame_stack == init_test_frame_stack(
        init_term_block(term),
        MachineExpressionStack([MachineNumber(int32(100))]),
        term_index=1,
    )
Exemple #6
0
def parse_one_term(term: GroupTerm) -> SyntaxTerm:
    if isinstance(term, GroupNumber):
        return SyntaxNumber(term.value)
    elif isinstance(term, GroupIdentifier):
        return SyntaxIdentifier(term.name)
    elif isinstance(term, GroupComment):
        return SyntaxComment(term.text)
    elif isinstance(term, Group):
        return parse_statements_block(term)
    else:
        assert False, term
def test_interpret_expression_enter():
    statement = SyntaxExpression([SyntaxNumber(int32(100))])
    frame_stack = init_test_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([]),
    )
    interpret_statement(frame_stack)
    assert frame_stack == init_test_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([MachineNumber(int32(100))]),
        term_index=1,
    )
def test_interpret_block_enter():
    block = SyntaxBlock(
        [SyntaxExpression([SyntaxNumber(int32(4))])]
    )
    frame_stack = init_test_frame_stack(
        block, MachineExpressionStack([])
    )
    interpret_block(frame_stack)
    assert frame_stack == init_test_frame_stack(
        block,
        MachineExpressionStack([MachineNumber(int32(4))]),
        term_index=1,
    )
def test_interpret_assignment_1_exit():
    statement = SyntaxAssignment(
        terms=[SyntaxNumber(int32(3))],
        bindings=[SyntaxIdentifier("x")],
    )
    frame_stack = init_test_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([MachineNumber(int32(4))]),
    )
    interpret_statement(frame_stack)
    interpret_statement(frame_stack)
    assert frame_stack == init_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([MachineNumber(int32(4))]),
        test_environment({"x": MachineNumber(int32(3))}),
        statement_index=1,
    )
def test_interpret_assignment_1_enter():
    statement = SyntaxAssignment(
        terms=[SyntaxNumber(int32(3))],
        bindings=[SyntaxIdentifier("x")],
    )
    frame_stack = init_test_frame_stack(
        init_statement_block(statement),
        MachineExpressionStack([MachineNumber(int32(4))]),
    )
    interpret_statement(frame_stack)
    assert len(frame_stack) == 2
    assert (frame_stack.frames[1].instruction_pointer is
            frame_stack.frames[0].instruction_pointer)
    assert (frame_stack.frames[1].environment is
            frame_stack.frames[0].environment)
    assert (frame_stack.current.expression_stack == MachineExpressionStack(
        [MachineNumber(int32(3))]))
def test_interpret_block():
    term = init_term_block(SyntaxNumber(int32(2)))
    expression_stack = MachineExpressionStack([MachineNumber(int32(10))])
    frame_stack = init_test_frame_stack(init_term_block(term),
                                        expression_stack)
    interpret_term(frame_stack)
    assert len(frame_stack) == 2
    assert (frame_stack.frames[0] == init_test_frame_stack(
        init_term_block(term),
        MachineExpressionStack([MachineNumber(int32(10))]),
        term_index=1,
    ).frames[0])
    assert frame_stack.frames[1] == MachineFrame(
        instruction_pointer=MachineInstructionPointer(block=term,
                                                      statement_index=0,
                                                      term_index=0),
        environment=test_environment().extend(),
        expression_stack=MachineExpressionStack([MachineNumber(int32(10))]),
    )
def params_parse():
    yield "0x123xiw", SyntaxBlock(
        [SyntaxExpression([SyntaxNumber(int32(0x123))])])
    yield "abc", SyntaxBlock([SyntaxExpression([SyntaxIdentifier("abc")])])
    yield "a-b-c", SyntaxBlock([SyntaxExpression([SyntaxIdentifier("a-b-c")])])
    yield "123 abc ", SyntaxBlock([
        SyntaxExpression([
            SyntaxNumber(int32(123)),
            SyntaxIdentifier("abc"),
        ])
    ])
    yield "123 abc -- de", SyntaxBlock([
        SyntaxExpression([
            SyntaxNumber(int32(123)),
            SyntaxIdentifier("abc"),
            SyntaxComment(" de"),
        ])
    ])
    yield "abc def  =    10   20", SyntaxBlock([
        SyntaxAssignment(
            terms=[
                SyntaxNumber(int32(10)),
                SyntaxNumber(int32(20)),
            ],
            bindings=[
                SyntaxIdentifier("abc"),
                SyntaxIdentifier("def"),
            ],
        )
    ])
    yield "123 abc\n456 def", SyntaxBlock([
        SyntaxExpression([
            SyntaxNumber(int32(123)),
            SyntaxIdentifier("abc"),
        ]),
        SyntaxExpression([
            SyntaxNumber(int32(456)),
            SyntaxIdentifier("def"),
        ]),
    ])
def params_statements():
    # Expression
    yield Group([GroupLine([GroupIdentifier("abc")])
                 ]), SyntaxBlock([SyntaxExpression([SyntaxIdentifier("abc")])])

    # Comment in group
    yield Group([
        GroupLine([
            GroupNumber(int32(0)),
            GroupComment(" txt"),
            Group([GroupLine([GroupNumber(int32(1))])]),
        ])
    ]), SyntaxBlock([
        SyntaxExpression([
            SyntaxNumber(int32(0)),
            SyntaxComment(" txt"),
            SyntaxBlock([SyntaxExpression([SyntaxNumber(int32(1))])]),
        ])
    ])

    # Simple assignment
    yield Group([
        GroupLine([
            GroupIdentifier("x"),
            GroupIdentifier("="),
            GroupIdentifier("y"),
        ])
    ]), SyntaxBlock([
        SyntaxAssignment(
            terms=[SyntaxIdentifier("y")],
            bindings=[SyntaxIdentifier("x")],
        )
    ])

    # Nested assignment
    yield Group([
        GroupLine([
            GroupIdentifier("a"),
            GroupIdentifier("b"),
            GroupIdentifier("="),
            GroupIdentifier("c"),
            Group([
                GroupLine([
                    GroupIdentifier("d"),
                    GroupIdentifier("="),
                    GroupIdentifier("e"),
                ]),
                GroupLine([
                    GroupIdentifier("f"),
                    GroupIdentifier("g"),
                ]),
            ]),
        ])
    ]), SyntaxBlock([
        SyntaxAssignment(
            terms=[
                SyntaxIdentifier("c"),
                SyntaxBlock([
                    SyntaxAssignment(
                        terms=[SyntaxIdentifier("e")],
                        bindings=[SyntaxIdentifier("d")],
                    ),
                    SyntaxExpression([
                        SyntaxIdentifier("f"),
                        SyntaxIdentifier("g"),
                    ]),
                ]),
            ],
            bindings=[
                SyntaxIdentifier("a"),
                SyntaxIdentifier("b"),
            ],
        )
    ])

    # Simple method definition
    yield Group([
        GroupLine([
            GroupIdentifier("a1"),
            GroupIdentifier("/="),
            GroupIdentifier("b2"),
        ])
    ]), SyntaxBlock([
        SyntaxMethodDefinition(
            binding=SyntaxIdentifier("a1"),
            definition=SyntaxExpression([SyntaxIdentifier("b2")]),
        )
    ])

    # Block method definition
    yield Group([
        GroupLine([
            GroupIdentifier("add"),
            GroupIdentifier("/="),
            Group([
                GroupLine([
                    GroupIdentifier("x"),
                    GroupIdentifier("y"),
                    GroupIdentifier("+"),
                ])
            ]),
        ])
    ]), SyntaxBlock([
        SyntaxMethodDefinition(
            binding=SyntaxIdentifier("add"),
            definition=SyntaxExpression([
                SyntaxBlock([
                    SyntaxExpression([
                        SyntaxIdentifier("x"),
                        SyntaxIdentifier("y"),
                        SyntaxIdentifier("+"),
                    ])
                ])
            ]),
        )
    ])