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,
)
def interpret_statement(frame_stack: MachineFrameStack) -> None:
statement = frame_stack.current.statement
term_index = frame_stack.current.term_index
if term_index == 0:
interpret_statement_enter(frame_stack)
if term_index < len(statement.terms):
interpret_term(frame_stack)
else:
interpret_statement_exit(frame_stack)
next_statement(frame_stack)
def test_interpret_comment():
term = SyntaxComment("something")
expression_stack = MachineExpressionStack([MachineNumber(int32(10))])
frame_stack = init_test_frame_stack(init_term_block(term),
expression_stack)
interpret_term(frame_stack)
assert frame_stack == init_test_frame_stack(
init_term_block(term),
MachineExpressionStack([MachineNumber(int32(10))]),
term_index=1,
)
def test_interpret_identifier_call():
term = SyntaxIdentifier(sqrt.name)
expression_stack = MachineExpressionStack([MachineNumber(int32(16))])
frame_stack = init_test_frame_stack(init_term_block(term),
expression_stack)
interpret_term(frame_stack)
assert frame_stack == init_test_frame_stack(
init_term_block(term),
MachineExpressionStack([MachineNumber(int32(4))]),
term_index=1,
)
def test_interpret_identifier_value():
term = SyntaxIdentifier(PI.name)
expression_stack = MachineExpressionStack([])
frame_stack = init_test_frame_stack(init_term_block(term),
expression_stack)
interpret_term(frame_stack)
assert frame_stack == init_test_frame_stack(
init_term_block(term),
MachineExpressionStack([PI.value]),
term_index=1,
)
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))]),
)