asm.py: rename

1 files changed, 0 insertions, 124 deletions

diff --git a/asm.py b/asm.py
deleted file mode 100644
index 06e470f..0000000
--- a/asm.py
+++ /dev/null
@@ -1,124 +0,0 @@
-#!/usr/bin/python3
-
-from enum import Enum
-
-class ArgType(Enum):
-	TYPE_IMM = 1
-	TYPE_REG = 2
-	TYPE_VAL = 3
-	TYPE_LAB = 4
-
-	def gettype(s):
-		if s.isnumeric():
-			return (TYPE_IMM, int(s))
-		elif s[0] == 'r' and s[1:].isnumeric():
-			return (TYPE_REG, int(s[1:]))
-		elif s[0] == 'l' and s[1:].isnumeric():
-			return (TYPE_LAB, int(s[1:]))
-		else:
-			return None
-
-	def typecheck(self, s):
-		t = ArgType.gettype(s)
-		if t is None:
-			return None
-		if self == TYPE_VAL:
-			return t[0] == TYPE_REG or t[0] == TYPE_IMM
-		else:
-			return t[0] == self
-
-class Instruction:
-	def __init__(self,  opcode, argtypes):
-		self.opcode = opcode
-		assert self.opcode < 0x80 and self.opcode >= 0
-		self.argtypes = argtypes
-	def typecheck(self, sargs):
-		rargs = []
-		if len(sargs) != len(self.argtypes):
-			return None
-		for i in range(0, len(sargs)):
-			if not self.argtypes[i].typecheck(sargs[i]):
-				return None	
-			rargs.append(ArgType.gettype(sargs[i]))
-		return rargs
-
-instructions = {
-"NOP" : Instruction(0, []),
-"PUSH" : Instruction(1, [ArgType.TYPE_REG]),
-"POP" : Instruction(2, [ArgType.TYPE_REG]),
-"ADD" : Instruction(3, [ArgType.TYPE_VAL, ArgType.TYPE_VAL, ArgType.TYPE_VAL]),
-"MUL" : Instruction(4, [ArgType.TYPE_VAL, ArgType.TYPE_VAL, ArgType.TYPE_VAL]),
-"DIV" : Instruction(5, [ArgType.TYPE_VAL, ArgType.TYPE_VAL, ArgType.TYPE_VAL]),
-"JL" : Instruction(6, [ArgType.TYPE_LAB, ArgType.TYPE_VAL, ArgType.TYPE_VAL]),
-"CLB" : Instruction(7, [ArgType.TYPE_LAB]),
-"SYS" : Instruction(8, [ArgType.TYPE_VAL])
-}
-
-encoding_types = {
-#           start      mask   A  B
-	2: (0x7F,       0xC0, 7),
-	3: (0xFFF,      0xE0, 12),
-	4: (0x1FFFF,    0xF0, 16),
-	5: (0x3FFFFF,   0xF8, 21),
-	6: (0x7FFFFFF,  0xFC, 26),
-	7: (0xFFFFFFFF, 0xFE, 36),
-#	A : number of bits in start byte
-#	B : Total number of bits excluding high bits
-}
-
-def encode_pseudo_utf8(n, high_bits, to):
-	if to > 8 or to < 0:
-		return None
-	elif to == 1:
-		if n < 0x80:
-			return bytes([n])
-		else:
-			return None
-
-	(maxval, start_byte, n_tot) = encoding_types[to]
-	if n > maxval or high_bits > 15:
-		return None
-	n = n | (high_bits << n_tot)
-	all_bytes = []
-	for i in range(0, to - 1):
-		all_bytes.append(0x80 | (n & 0x3F))
-		n >>= 6
-	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 __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(Line(ins, args))
-
-	def parse_asm_line(self, line):
-		line = line.split()
-		if line[0] not in instructions:
-			raise Exception
-		else:
-			ins = instructions[line[0]]
-			args_w_type = ins.typecheck(line[1:])
-			if r is None:
-				raise Exception
-			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 = []