107 lines
2.5 KiB
Python
107 lines
2.5 KiB
Python
import sys
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import pytest
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import wasm3
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from phasm.compiler import phasm_compile
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from phasm.parser import phasm_parse
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from .helpers import DASHES, wat2wasm, _dump_memory, _write_numbered_lines
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def setup_interpreter(code_phasm):
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phasm_module = phasm_parse(code_phasm)
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wasm_module = phasm_compile(phasm_module)
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code_wat = wasm_module.to_wat()
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sys.stderr.write(f'{DASHES} Assembly {DASHES}\n')
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_write_numbered_lines(code_wat)
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code_wasm = wat2wasm(code_wat)
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env = wasm3.Environment()
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mod = env.parse_module(code_wasm)
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rtime = env.new_runtime(1024 * 1024)
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rtime.load(mod)
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return rtime
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@pytest.mark.integration_test
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def test___init__():
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code_py = """
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@exported
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def testEntry() -> u8:
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return 13
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"""
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rtime = setup_interpreter(code_py)
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for idx in range(128):
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rtime.get_memory(0)[idx] = idx
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sys.stderr.write(f'{DASHES} Memory (pre run) {DASHES}\n')
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_dump_memory(rtime.get_memory(0))
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rtime.find_function('stdlib.alloc.__init__')()
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sys.stderr.write(f'{DASHES} Memory (pre run) {DASHES}\n')
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_dump_memory(rtime.get_memory(0))
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memory = rtime.get_memory(0).tobytes()
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assert (
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b'\xC0\xA1\x00\x00'
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b'\x00\x00\x00\x00'
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b'\x00\x00\x00\x00'
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b'\x00\x00\x00\x00'
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b'\x10\x11\x12\x13' # Untouched because unused
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) == memory[0:20]
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@pytest.mark.integration_test
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def test___alloc___no_init():
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code_py = """
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@exported
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def testEntry() -> u8:
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return 13
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"""
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rtime = setup_interpreter(code_py)
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for idx in range(128):
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rtime.get_memory(0)[idx] = idx
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sys.stderr.write(f'{DASHES} Memory (pre run) {DASHES}\n')
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_dump_memory(rtime.get_memory(0))
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with pytest.raises(RuntimeError, match='unreachable executed'):
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rtime.find_function('stdlib.alloc.__alloc__')(32)
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@pytest.mark.integration_test
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def test___alloc___ok():
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code_py = """
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@exported
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def testEntry() -> u8:
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return 13
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"""
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rtime = setup_interpreter(code_py)
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for idx in range(128):
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rtime.get_memory(0)[idx] = idx
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sys.stderr.write(f'{DASHES} Memory (pre run) {DASHES}\n')
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_dump_memory(rtime.get_memory(0))
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offset = rtime.find_function('stdlib.alloc.__init__')()
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offset = rtime.find_function('stdlib.alloc.__alloc__')(32)
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sys.stderr.write(f'{DASHES} Memory (pre run) {DASHES}\n')
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_dump_memory(rtime.get_memory(0))
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memory = rtime.get_memory(0).tobytes()
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assert b'\xC0\xA1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00' == memory[0:12]
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assert 0 == offset
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