asm.py: write

asm.py

@@ -11,15 +11,15 @@ class ArgType(Enum):
 	def gettype(s):
 		if s.isnumeric():
 			return (TYPE_IMM, int(s))
-		elif s[0] == 'r' and is_num(s[1:]):
+		elif s[0] == 'r' and s[1:].isnumeric():
 			return (TYPE_REG, int(s[1:]))
-		elif s[0] == 'l' and is_num(s[1:]):
+		elif s[0] == 'l' and s[1:].isnumeric():
 			return (TYPE_LAB, int(s[1:]))
 		else:
 			return None
 
 	def typecheck(self, s):
-		t = gettype(s)
+		t = ArgType.gettype(s)
 		if t is None:
 			return None
 		if self == TYPE_VAL:
@@ -86,24 +86,39 @@ def encode_pseudo_utf8(n, high_bits, to):
 	all_bytes.append(start_byte | n)
 	return bytes(reversed(all_bytes))
 
-"""
 class Line:
 	def __init__(self, opcode, args):
 		self.opcode = opcode
 		self.args = args
-	def render(self):
+	def __call__(self):
+		b = bytes([self.opcode])
+		for a in args:
+			if a[0] == TYPE_REG:
+				b = b + encode_pseudo_utf8(a[1],1,None)
+			else:
+				b = b + encode_pseudo_utf8(a[1],0,None)
+		return b + bytes([0])
 
 class Program:
 	def asm_push_line(self, ins, args):
-		self.asm.append((ins, args))
+		self.asm.append(Line(ins, args))
 
 	def parse_asm_line(self, line):
-		line = line.split(' ')
+		line = line.split()
 		if line[0] not in instructions:
 			raise Exception
 		else:
-			r = instructions[line[0]].typecheck(line[1:])
+			ins = instructions[line[0]]
+			args_w_type = ins.typecheck(line[1:])
 			if r is None:
 				raise Exception
-			asm_push_instruction(instructions[line[0]].opcode, r)
+			self.asm_push_line(ins.opcode, args_w_type)
-"""
+
+	def __call__(self):
+		b = bytes()
+		for line in self.asm:
+			b = b + line()
+		return b
+
+	def __init__(self):
+		self.asm = []