r500/regs/assembler/vs/__main__.py

53 lines
2.1 KiB
Python

import sys
from assembler.lexer import Lexer, LexerError
from assembler.vs.keywords import find_keyword
from assembler.vs.parser import Parser, ParserError
from assembler.vs.emitter import emit_instruction
from assembler.vs.validator import validate_instruction
from assembler.error import print_error
sample = b"""
temp[0].xyzw = VE_ADD const[1].xyzw const[1].0000 const[1].0000
temp[1].xyzw = VE_ADD const[1].xyzw const[1].0000 const[1].0000
temp[0].x = VE_MAD const[0].x___ temp[1].x___ temp[0].y___
temp[0].x = VE_FRC temp[0].x___ temp[0].0000 temp[0].0000
temp[0].x = VE_MAD temp[0].x___ const[1].z___ const[1].w___
temp[0].y = ME_COS temp[0].xxxx temp[0].0000 temp[0].0000
temp[0].x = ME_SIN temp[0].xxxx temp[0].0000 temp[0].0000
temp[0].yz = VE_MUL input[0]._xy_ temp[0]._yy_ temp[0].0000
out[0].xz = VE_MAD input[0].-y-_-0-_ temp[0].x_0_ temp[0].y_0_
out[0].yw = VE_MAD input[0]._x_0 temp[0]._x_0 temp[0]._z_1
"""
def frontend_inner(buf):
lexer = Lexer(buf, find_keyword)
tokens = list(lexer.lex_tokens())
parser = Parser(tokens)
for ins, start_end in parser.instructions():
ins = validate_instruction(ins)
yield list(emit_instruction(ins)), start_end
def frontend(filename, buf):
try:
yield from frontend_inner(buf)
except ParserError as e:
print_error(input_filename, buf, e)
raise
except LexerError as e:
print_error(input_filename, buf, e)
raise
if __name__ == "__main__":
input_filename = sys.argv[1]
#output_filename = sys.argv[2]
with open(input_filename, 'rb') as f:
buf = f.read()
output = list(frontend(input_filename, buf))
for cw, (start_ix, end_ix) in output:
if True:
print(f"0x{cw[0]:08x}, 0x{cw[1]:08x}, 0x{cw[2]:08x}, 0x{cw[3]:08x},")
else:
source = buf[start_ix:end_ix]
print(f"0x{cw[0]:08x}, 0x{cw[1]:08x}, 0x{cw[2]:08x}, 0x{cw[3]:08x}, // {source.decode('utf-8')}")