def visit_Constant(self,const):
if const.type == 'int':
#XXX
t = types.Int()
reg = ir.I32()
const = ir.ConstantI32(const.value)
op = ir.LoadConstant(reg,const)
v = ValTracker(False,t,reg)
self.curBasicBlock.append(op)
return v
elif const.type == 'string':
t = types.Char()
reg = ir.Pointer()
v = ValTracker(False,types.Pointer(t),reg)
rawdata = cstrings.parseCString(const.value)
label = self.module.addReadOnlyData(rawdata)
op = ir.LoadGlobalAddr(reg,GlobalSym(label,v.type.clone()))
self.curBasicBlock.append(op)
return v
elif const.type == 'char':
t = types.Char()
v = ValTracker(False,t,None)
v.createVirtualReg()
const = ir.ConstantI8(cstrings.parseCChar(const.value))
op = ir.LoadConstant(v.reg,const)
self.curBasicBlock.append(op)
return v
else:
raise Exception('unimplemented constant load : %s' % const.coord)
def test_stringparse():
tests = [
(r"", "\x00"),
(r'"\n"', "\n\x00"),
(r'"\r"', "\r\x00"),
(r'"\x03"', "\x03\x00"),
(r'"\\\r\n\""', '\\\r\n"\x00'),
(r'"hello..."', "hello...\x00"),
]
for s, parsed in tests:
assert cstrings.parseCString(s) == parsed