def jasmin_init(self):
if self.var.type == ('bool', []) or self.var.type == ('int', []):
string = "ldc 0\n"
else:
if self.var.type == ('string', []):
string = "aconst_null\n"
else:
string = ""
for i in self.var.type[1]:
string += "ldc %d\n" % i
string += "multianewarray %s %d\n" % (jasmin_types(self.var.type), len(self.var.type[1]))
string += "putstatic %s/%s %s\n" % (className, self.var.name, jasmin_types(self.var.type))
return string
def jasmin_reference(self):
if self.var.is_static:
string = "getstatic %s/%s %s\n" % (className, self.var.name, jasmin_types(self.var.type))
else:
string = "aload %d\n" % self.var.local
for i in self.indices[0:-1]:
string += i.jasmin()
string += "aaload\n"
string += self.indices[-1].jasmin()
return string
def jasmin(self):
if not curr_proc:
self.var.is_static = True
string = ".field public static %s %s\n" % (self.var.name, jasmin_types(self.var.type))
else:
global local_count
s = local_count
local_count += 1
if self.var.type == ('bool', []) or self.var.type == ('int', []):
string = "ldc 0\n"
string += "istore %d\n" % (s)
else:
if self.var.type == ('string', []):
string = "aconst_null\n"
else:
string = ""
for i in self.var.type[1]:
string += "ldc %d\n" % i
string += "multianewarray %s %d\n" % (jasmin_types(self.var.type), len(self.var.type[1]))
string += "astore %d\n" % (s)
self.var.local = s
return string
def jasmin_set(self):
if self.is_static:
string = "putstatic %s/%s %s\n" % (className, self.name, jasmin_types(self.type))
else:
if self.type == ('string', []):
string = "astore %i\n" % self.local
elif self.type == ('int', []):
string = "istore %i\n" % self.local
elif self.type == ('bool', []):
string = "istore %i\n" % self.local
else:
string = "astore %i\n" % self.local
return string
def jasmin(self):
string = self.args.jasmin()
string += "invokestatic %s/%s(%s)%s\n" % (className, self.proc.name, self.proc.declist.jasmin_types(), jasmin_types(self.proc.ret))
return string
def jasmin(self):
global local_count
global curr_proc
curr_proc = self
local_count = 0
self.declist.setup()
if self.ret_var:
jas_ret = VarDeclNode(self.ret_var).jasmin()
else:
jas_ret = ""
string = ".method public static %s(%s)%s\n" % (self.name, self.declist.jasmin_types(), jasmin_types(self.ret))
string += ".limit stack 100\n"
string += jas_ret
jas_typevars = self.typevars.jasmin()
jas_stms = self.stmts.jasmin()
string += ".limit locals %d\n" % (local_count+len(self.declist)+2) # declist become the first n local variables, and 1 for padding
string += jas_typevars
string += jas_stms
# This is because functions can have an implicit return
string += ReturnNode().jasmin()
string += ".end method\n"
curr_proc = None
return string
def jasmin_types(self):
string = ""
for v in self.var_nodes:
string += jasmin_types(v.type)
return string
