461 lines
14 KiB
Python
461 lines
14 KiB
Python
# Copyright (c) 2023 Peter McGoron <code@mcgoron.com>
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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from creole import *
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import unittest
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import ffi
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class PushTest(unittest.TestCase):
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def test_parse_push_reg(self):
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p = Program()
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p.parse_asm_line("push r5")
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self.assertEqual(p(), b'\x01\xC2\x85\x00')
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def test_parse_push_imm(self):
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p = Program()
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p.parse_asm_line("push 5")
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b = p()
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self.assertEqual(b, b'\x01\xC0\x85\x00')
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def test_parse_push_catch_typecheck_push_lab(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("push .l0")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.l0')
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self.assertEqual(cm.exception.i, 0)
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self.assertEqual(cm.exception.opcode, Instruction.PUSH)
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def test_parse_push_catch_typecheck_argument_overflow(self):
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p = Program()
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with self.assertRaises(TypecheckLenException) as cm:
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p.parse_asm_line("push r1 r2")
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self.assertEqual(cm.exception.opcode, Instruction.PUSH)
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self.assertEqual(cm.exception.insargs, ["r1", "r2"])
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self.assertEqual(cm.exception.argtypelen, 1)
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def test_parse_push_catch_typecheck_argument_underflow(self):
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p = Program()
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with self.assertRaises(TypecheckLenException) as cm:
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p.parse_asm_line("push")
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self.assertEqual(cm.exception.opcode, Instruction.PUSH)
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self.assertEqual(cm.exception.insargs, [])
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self.assertEqual(cm.exception.argtypelen, 1)
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def test_large_reg(self):
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p = Program(reglen=0x8000000)
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p.parse_asm_line("PUSH r134217727")
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b = p()
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self.assertEqual(b, b'\x01\xFC\x8f\xbf\xbf\xbf\xbf\x00')
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def test_compile_push(self):
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p = Program()
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p.parse_asm_line("PUSH r0")
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p.parse_asm_line("PUSH 6")
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ex = ffi.Environment(p())
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def test_push_many(self):
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p = Program()
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stklen = 40
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for n in range(0,stklen):
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p.parse_asm_line("PUSH 5")
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ex = ffi.Environment(p(), stklen=stklen)
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self.assertEqual(ex(), ffi.RunRet.STOP)
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for n in range(0,stklen):
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self.assertEqual(ex.getstk(n), 5)
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def test_push_overflow(self):
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p = Program()
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stklen = 40
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for n in range(0, stklen + 1):
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p.parse_asm_line("PUSH 5")
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ex = ffi.Environment(p(), stklen=stklen)
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self.assertEqual(ex(), ffi.RunRet.STACK_OVERFLOW)
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class PopTest(unittest.TestCase):
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def test_compile_pop_reg(self):
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p = Program()
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p.parse_asm_line("pop r9")
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b = p()
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self.assertEqual(b, b'\x02\xC2\x89\x00')
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ex = ffi.Environment(b)
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def test_compile_throw_pop_literal(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("pop 6")
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self.assertEqual(cm.exception.argtype, ArgType.REG)
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self.assertEqual(cm.exception.sarg, '6')
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self.assertEqual(cm.exception.i, 0)
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self.assertEqual(cm.exception.opcode, Instruction.POP)
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def test_compile_throw_pop_label(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("pop .l9")
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self.assertEqual(cm.exception.argtype, ArgType.REG)
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self.assertEqual(cm.exception.sarg, '.l9')
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self.assertEqual(cm.exception.i, 0)
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self.assertEqual(cm.exception.opcode, Instruction.POP)
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def test_compile_throw_argument_overflow(self):
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p = Program()
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with self.assertRaises(TypecheckLenException) as cm:
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p.parse_asm_line("pop r1 r2")
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self.assertEqual(cm.exception.opcode, Instruction.POP)
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self.assertEqual(cm.exception.insargs, ["r1", "r2"])
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self.assertEqual(cm.exception.argtypelen, 1)
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def test_catch_typecheck_argument_underflow(self):
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p = Program()
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with self.assertRaises(TypecheckLenException) as cm:
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p.parse_asm_line("pop")
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self.assertEqual(cm.exception.opcode, Instruction.POP)
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self.assertEqual(cm.exception.insargs, [])
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def test_pop_underflow(self):
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p = Program()
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p.parse_asm_line("pop r0")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STACK_UNDERFLOW)
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def test_pop_underflow_2(self):
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p = Program()
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p.parse_asm_line("push 5")
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p.parse_asm_line("pop r0")
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p.parse_asm_line("pop r1")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STACK_UNDERFLOW)
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class AddTest(unittest.TestCase):
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def test_exec_add(self):
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p = Program()
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p.parse_asm_line("add r0 1 1")
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ex = ffi.Environment(p)
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.cenv.reg[0], 2)
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def test_exec_add_neg(self):
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p = Program()
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p.parse_asm_line("add r0 10 20")
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p.parse_asm_line("add r1 5 0")
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p.parse_asm_line("add r1 r0 -40")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 30)
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self.assertEqual(ex.getreg(1, signed=True), -10)
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def test_exec_add_throw_imm(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("add 5 6 7")
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self.assertEqual(cm.exception.argtype, ArgType.REG)
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self.assertEqual(cm.exception.sarg, '5')
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self.assertEqual(cm.exception.i, 0)
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self.assertEqual(cm.exception.opcode, Instruction.ADD)
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def test_exec_add_throw_lab_1(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("add r0 .label 7")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.label')
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self.assertEqual(cm.exception.i, 1)
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self.assertEqual(cm.exception.opcode, Instruction.ADD)
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def test_exec_add_throw_lab_2(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("add r0 12 .ab")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.ab')
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self.assertEqual(cm.exception.i, 2)
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self.assertEqual(cm.exception.opcode, Instruction.ADD)
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class MulTest(unittest.TestCase):
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def test_exec_mul_imm_imm(self):
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p = Program()
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p.parse_asm_line("mul r0 2 2")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 4)
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def test_exec_mul_imm_neg_imm(self):
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p = Program()
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p.parse_asm_line("mul r0 -5 5")
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p.parse_asm_line("mul r1 r0 -5")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0, signed=True), -25)
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self.assertEqual(ex.getreg(1), 125)
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def test_exec_mul_throw_imm(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("mul 942 6 7")
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self.assertEqual(cm.exception.argtype, ArgType.REG)
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self.assertEqual(cm.exception.sarg, '942')
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self.assertEqual(cm.exception.i, 0)
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self.assertEqual(cm.exception.opcode, Instruction.MUL)
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def test_exec_mul_throw_lab_1(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("mul r9 .l2 1991")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.l2')
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self.assertEqual(cm.exception.i, 1)
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self.assertEqual(cm.exception.opcode, Instruction.MUL)
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def test_exec_mul_throw_lab_2(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("mul r0 -11 .l48")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.l48')
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self.assertEqual(cm.exception.i, 2)
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self.assertEqual(cm.exception.opcode, Instruction.MUL)
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class DivTest(unittest.TestCase):
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def test_div(self):
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p = Program()
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p.parse_asm_line("div r0 8 4")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 2)
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def test_div_round_down(self):
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p = Program()
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p.parse_asm_line("div r0 8 10")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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def test_div_by_zero(self):
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p = Program()
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p.parse_asm_line("div r0 8 0")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.DIVIDE_BY_ZERO)
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def test_sdiv_by_zero(self):
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p = Program()
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p.parse_asm_line("sdiv r0 8 0")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.DIVIDE_BY_ZERO)
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def test_sdiv_neg(self):
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p = Program()
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p.parse_asm_line("sdiv r0 16 -4")
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p.parse_asm_line("sdiv r1 r0 -4")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0, signed=True), -4)
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self.assertEqual(ex.getreg(1), 1)
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def test_exec_div_throw_imm(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("div 5 1 2")
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self.assertEqual(cm.exception.argtype, ArgType.REG)
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self.assertEqual(cm.exception.sarg, '5')
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self.assertEqual(cm.exception.i, 0)
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self.assertEqual(cm.exception.opcode, Instruction.DIV)
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def test_exec_div_throw_lab_1(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("div r0 .qqweq 456")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.qqweq')
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self.assertEqual(cm.exception.i, 1)
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self.assertEqual(cm.exception.opcode, Instruction.DIV)
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def test_exec_div_throw_lab_2(self):
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p = Program()
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with self.assertRaises(TypecheckException) as cm:
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p.parse_asm_line("div r5 1919 .24")
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self.assertEqual(cm.exception.argtype, ArgType.VAL)
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self.assertEqual(cm.exception.sarg, '.24')
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self.assertEqual(cm.exception.i, 2)
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self.assertEqual(cm.exception.opcode, Instruction.DIV)
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class LabelTest(unittest.TestCase):
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def test_unconditional_jump(self):
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p = Program()
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p.parse_lines([
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"mov r0 5",
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"mov r0 6",
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"j .l0",
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"mov r0 7",
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".l0",
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])
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 6)
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def test_simple_loop(self):
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p = Program()
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p.parse_lines([
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"add r0 10 0",
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"add r1 20 0",
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".loop_head",
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"add r0 r0 -1",
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"add r1 r1 1",
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"jl .loop_head 0 r0"
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])
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 0)
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self.assertEqual(ex.getreg(1), 30)
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def test_signed_jmp(self):
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p = Program()
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p.parse_lines([
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"mov r0 30",
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"mov r1 0",
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".l0",
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"add r0 r0 -1",
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"add r1 r1 1",
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"jls .l0 -30 r0"
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])
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0, signed=True), -30)
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self.assertEqual(ex.getreg(1), 60)
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def test_jeq(self):
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p = Program()
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p.parse_lines([
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"mov r0 50",
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"mov r1 0",
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".l0",
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"add r1 r1 1",
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"mul r2 r0 -1",
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"add r2 r2 r1",
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"jne .l0 r2 0"
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])
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0, signed=True), 50)
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self.assertEqual(ex.getreg(1), 50)
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self.assertEqual(ex.getreg(2), 0)
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def test_nested_loop(self):
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p = Program()
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p.parse_lines([
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"mov r0 0", # outer loop counter
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"mov r2 0", # total iteration counter
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".outer_loop",
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"mov r1 0", # inner loop counter
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".inner_loop",
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"add r1 r1 1",
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"add r2 r2 1",
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"jl .inner_loop r1 50",
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"add r0 r0 1",
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"jl .outer_loop r0 50"
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])
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 50)
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self.assertEqual(ex.getreg(1), 50)
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self.assertEqual(ex.getreg(2), 50*50)
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def test_many_jumps(self):
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p = Program()
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p.parse_lines([
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"j .f1",
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".f4",
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"j .f5",
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".f2",
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"j .f3",
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".f3",
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"j .f4",
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".f5",
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"j .f6",
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".f1",
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"j .f2",
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".f6"
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])
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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class ProgramTest(unittest.TestCase):
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def test_exec_simple_reg(self):
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p = Program()
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p.parse_asm_line("push 5")
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p.parse_asm_line("push 6")
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p.parse_asm_line("pop r0")
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p.parse_asm_line("pop r1")
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ex = ffi.Environment()
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self.assertEqual(ex.load(p()), ffi.CompileRet.OK)
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0), 6)
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self.assertEqual(ex.getreg(1), 5)
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def range_test(self, st, en, sgn=False):
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for i in range(st, en):
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p = Program()
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p.parse_asm_line(f"mov r0 {i}")
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ex = ffi.Environment(p())
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self.assertEqual(ex(), ffi.RunRet.STOP)
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self.assertEqual(ex.getreg(0, signed=sgn), i)
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@unittest.skip("slow")
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def test_parse_imm_compile(self):
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self.range_test(0, 0x1000)
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self.range_test(0x1000, 0x1100)
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self.range_test(0x1FF00, 0x20000)
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self.range_test(0x20000, 0x20100)
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self.range_test(0x3FFF00, 0x400000)
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self.range_test(0x400000, 0x400100)
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self.range_test(0x7FFFF00, 0x8000000)
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self.range_test(0x8000000, 0x8000100)
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self.range_test(0xFFFFFF00, 0x100000000)
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@unittest.skip("slow")
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def test_parse_imm_signed(self):
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self.range_test(0, 0x1000, sgn=True)
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self.range_test(0x1000, 0x1100, sgn=True)
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self.range_test(0x1FF00, 0x20000, sgn=True)
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self.range_test(0x20000, 0x20100, sgn=True)
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self.range_test(0x3FFF00, 0x400000, sgn=True)
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self.range_test(0x400000, 0x400100, sgn=True)
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self.range_test(0x7FFFF00, 0x8000000, sgn=True)
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self.range_test(-100, 0, sgn=True)
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class DataTest(unittest.TestCase):
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def test_parse_db(self):
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p = Program()
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p.parse_asm_line("db d0 [4d2,1234,0,5]")
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self.assertEqual(p(), b'\x0b\xc0\x80\xe0\x93\x92\xf0\x81\x88\xb4\xc0\x80\xc0\x85\x00')
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class SCEnv(ffi.Environment):
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def syscall(self, s):
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self.s = s.value
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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class ProgramTest(unittest.TestCase):
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def range_test(self, st, en, sgn=False):
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for i in range(st, en):
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p = Program()
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p.parse_asm_line(f"sys {i}")
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ex = SCEnv(p())
|
|
self.assertEqual(ex(), ffi.RunRet.STOP)
|
|
self.assertEqual(ex.s, i)
|
|
def test_syscall_imm(self):
|
|
self.range_test(0, 1000)
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|