def __init__(self, type: RType, src: Value, line: int = -1) -> None:
super().__init__(line)
self.type = type
# TODO: for now we enforce that the src memory address should be Py_ssize_t
# later we should also support same width unsigned int
assert is_pointer_rprimitive(src.type)
self.src = src
def reg(self, reg: Value) -> str:
if reg.name in self.const_int_regs:
val = self.const_int_regs[reg.name]
if val == 0 and is_pointer_rprimitive(reg.type):
return "NULL"
return str(val)
else:
return self.emitter.reg(reg)
def reg(self, reg: Value) -> str:
if isinstance(reg, Integer):
val = reg.value
if val == 0 and is_pointer_rprimitive(reg.type):
return "NULL"
return str(val)
else:
return self.emitter.reg(reg)
def reg(self, reg: Value) -> str:
if isinstance(reg, LoadInt) and reg in self.const_int_regs:
val = self.const_int_regs[reg]
if val == 0 and is_pointer_rprimitive(reg.type):
return "NULL"
return str(val)
else:
return self.emitter.reg(reg)
def reg(self, reg: Value) -> str:
if isinstance(reg, Integer):
val = reg.value
if val == 0 and is_pointer_rprimitive(reg.type):
return "NULL"
s = str(val)
if val >= (1 << 31):
# Avoid overflowing signed 32-bit int
s += 'U'
return s
else:
return self.emitter.reg(reg)
def reg(self, reg: Value) -> str:
if isinstance(reg, Integer):
val = reg.value
if val == 0 and is_pointer_rprimitive(reg.type):
return "NULL"
s = str(val)
if val >= (1 << 31):
# Avoid overflowing signed 32-bit int
s += 'ULL'
elif val == -(1 << 63):
# Avoid overflowing C integer literal
s = '(-9223372036854775807LL - 1)'
elif val <= -(1 << 31):
s += 'LL'
return s
else:
return self.emitter.reg(reg)
