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pokecrystal-board/preprocessor.py
Bryan Bishop 81e950c2d1 add ItemFragment to macros in preprocessor
2012-04-27 17:35:32 -05:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
import sys
from extras.crystal import command_classes, \
Warp, \
XYTrigger, \
Signpost, \
PeopleEvent, \
DataByteWordMacro, \
PointerLabelBeforeBank, \
PointerLabelAfterBank, \
MoneyByteParam, \
ItemFragment
macros = command_classes + \
[
Warp,
XYTrigger,
Signpost,
PeopleEvent,
DataByteWordMacro,
ItemFragment,
]
chars = {
"ガ": 0x05,
"ギ": 0x06,
"グ": 0x07,
"ゲ": 0x08,
"ゴ": 0x09,
"ザ": 0x0A,
"ジ": 0x0B,
"ズ": 0x0C,
"ゼ": 0x0D,
"ゾ": 0x0E,
"ダ": 0x0F,
"ヂ": 0x10,
"ヅ": 0x11,
"デ": 0x12,
"ド": 0x13,
"バ": 0x19,
"ビ": 0x1A,
"ブ": 0x1B,
"ボ": 0x1C,
"が": 0x26,
"ぎ": 0x27,
"ぐ": 0x28,
"げ": 0x29,
"ご": 0x2A,
"ざ": 0x2B,
"じ": 0x2C,
"ず": 0x2D,
"ぜ": 0x2E,
"ぞ": 0x2F,
"だ": 0x30,
"ぢ": 0x31,
"づ": 0x32,
"で": 0x33,
"ど": 0x34,
"ば": 0x3A,
"び": 0x3B,
"ぶ": 0x3C,
"べ": 0x3D,
"ぼ": 0x3E,
"パ": 0x40,
"ピ": 0x41,
"プ": 0x42,
"ポ": 0x43,
"ぱ": 0x44,
"ぴ": 0x45,
"ぷ": 0x46,
"ぺ": 0x47,
"ぽ": 0x48,
"ア": 0x80,
"イ": 0x81,
"ウ": 0x82,
"エ": 0x83,
"ォ": 0x84,
"カ": 0x85,
"キ": 0x86,
"ク": 0x87,
"ケ": 0x88,
"コ": 0x89,
"サ": 0x8A,
"シ": 0x8B,
"ス": 0x8C,
"セ": 0x8D,
"ソ": 0x8E,
"タ": 0x8F,
"チ": 0x90,
"ツ": 0x91,
"テ": 0x92,
"ト": 0x93,
"ナ": 0x94,
"ニ": 0x95,
"ヌ": 0x96,
"ネ": 0x97,
"ノ": 0x98,
"ハ": 0x99,
"ヒ": 0x9A,
"フ": 0x9B,
"ホ": 0x9C,
"マ": 0x9D,
"ミ": 0x9E,
"ム": 0x9F,
"メ": 0xA0,
"モ": 0xA1,
"ヤ": 0xA2,
"ユ": 0xA3,
"ヨ": 0xA4,
"ラ": 0xA5,
"ル": 0xA6,
"レ": 0xA7,
"ロ": 0xA8,
"ワ": 0xA9,
"ヲ": 0xAA,
"ン": 0xAB,
"ッ": 0xAC,
"ャ": 0xAD,
"ュ": 0xAE,
"ョ": 0xAF,
"ィ": 0xB0,
"あ": 0xB1,
"い": 0xB2,
"う": 0xB3,
"え": 0xB4,
"お": 0xB5,
"か": 0xB6,
"き": 0xB7,
"く": 0xB8,
"け": 0xB9,
"こ": 0xBA,
"さ": 0xBB,
"し": 0xBC,
"す": 0xBD,
"せ": 0xBE,
"そ": 0xBF,
"た": 0xC0,
"ち": 0xC1,
"つ": 0xC2,
"て": 0xC3,
"と": 0xC4,
"な": 0xC5,
"に": 0xC6,
"ぬ": 0xC7,
"ね": 0xC8,
"の": 0xC9,
"は": 0xCA,
"ひ": 0xCB,
"ふ": 0xCC,
"へ": 0xCD,
"ほ": 0xCE,
"ま": 0xCF,
"み": 0xD0,
"む": 0xD1,
"め": 0xD2,
"も": 0xD3,
"や": 0xD4,
"ゆ": 0xD5,
"よ": 0xD6,
"ら": 0xD7,
"り": 0xD8,
"る": 0xD9,
"れ": 0xDA,
"ろ": 0xDB,
"わ": 0xDC,
"を": 0xDD,
"ん": 0xDE,
"っ": 0xDF,
"ゃ": 0xE0,
"ゅ": 0xE1,
"ょ": 0xE2,
"ー": 0xE3,
"@": 0x50,
"#": 0x54,
"…": 0x75,
"┌": 0x79,
"─": 0x7A,
"┐": 0x7B,
"│": 0x7C,
"└": 0x7D,
"┘": 0x7E,
"№": 0x74,
" ": 0x7F,
"A": 0x80,
"B": 0x81,
"C": 0x82,
"D": 0x83,
"E": 0x84,
"F": 0x85,
"G": 0x86,
"H": 0x87,
"I": 0x88,
"J": 0x89,
"K": 0x8A,
"L": 0x8B,
"M": 0x8C,
"N": 0x8D,
"O": 0x8E,
"P": 0x8F,
"Q": 0x90,
"R": 0x91,
"S": 0x92,
"T": 0x93,
"U": 0x94,
"V": 0x95,
"W": 0x96,
"X": 0x97,
"Y": 0x98,
"Z": 0x99,
"(": 0x9A,
")": 0x9B,
":": 0x9C,
";": 0x9D,
"[": 0x9E,
"]": 0x9F,
"a": 0xA0,
"b": 0xA1,
"c": 0xA2,
"d": 0xA3,
"e": 0xA4,
"f": 0xA5,
"g": 0xA6,
"h": 0xA7,
"i": 0xA8,
"j": 0xA9,
"k": 0xAA,
"l": 0xAB,
"m": 0xAC,
"n": 0xAD,
"o": 0xAE,
"p": 0xAF,
"q": 0xB0,
"r": 0xB1,
"s": 0xB2,
"t": 0xB3,
"u": 0xB4,
"v": 0xB5,
"w": 0xB6,
"x": 0xB7,
"y": 0xB8,
"z": 0xB9,
"Ä": 0xC0,
"Ö": 0xC1,
"Ü": 0xC2,
"ä": 0xC3,
"ö": 0xC4,
"ü": 0xC5,
"'d": 0xD0,
"'l": 0xD1,
"'m": 0xD2,
"'r": 0xD3,
"'s": 0xD4,
"'t": 0xD5,
"'v": 0xD6,
"'": 0xE0,
"-": 0xE3,
"?": 0xE6,
"!": 0xE7,
".": 0xE8,
"&": 0xE9,
"é": 0xEA,
"→": 0xEB,
"♂": 0xEF,
"¥": 0xF0,
"×": 0xF1,
"/": 0xF3,
",": 0xF4,
"♀": 0xF5,
"0": 0xF6,
"1": 0xF7,
"2": 0xF8,
"3": 0xF9,
"4": 0xFA,
"5": 0xFB,
"6": 0xFC,
"7": 0xFD,
"8": 0xFE,
"9": 0xFF
}
def separate_comment(l):
""" Separates asm and comments on a single line.
"""
asm = ""
comment = None
in_quotes = False
in_comment = False
# token either belongs to the line or to the comment
for token in l:
if in_comment:
comment += token
elif in_quotes and token != "\"":
asm += token
elif in_quotes and token == "\"":
in_quotes = False
asm += token
elif not in_quotes and token == "\"":
in_quotes = True
asm += token
elif not in_quotes and token != "\"":
if token == ";":
in_comment = True
comment = ";"
else:
asm += token
return asm, comment
def quote_translator(asm):
""" Writes asm with quoted text translated into bytes.
"""
# split by quotes
asms = asm.split("\"")
# skip asm that actually does use ASCII in quotes
lowasm = asms[0].lower()
if "section" in lowasm \
or "include" in lowasm \
or "incbin" in lowasm:
sys.stdout.write(asm)
return
even = False
i = 0
for token in asms:
i = i + 1
if even:
# token is a string to convert to byte values
while len(token):
# read a single UTF-8 codepoint
char = token[0]
if ord(char) >= 0xFC:
char = char + token[1:6]
token = token[6:]
elif ord(char) >= 0xF8:
char = char + token[1:5]
token = token[5:]
elif ord(char) >= 0xF0:
char = char + token[1:4]
token = token[4:]
elif ord(char) >= 0xE0:
char = char + token[1:3]
token = token[3:]
elif ord(char) >= 0xC0:
char = char + token[1:2]
token = token[2:]
else:
token = token[1:]
# certain apostrophe-letter pairs are only a single byte
if char == "'" and len(token) > 0 and \
(token[0] == "d" or \
token[0] == "l" or \
token[0] == "m" or \
token[0] == "r" or \
token[0] == "s" or \
token[0] == "t" or \
token[0] == "v"):
char = char + token[0]
token = token[1:]
sys.stdout.write("${0:02X}".format(chars[char]))
if len(token):
sys.stdout.write(", ")
# if not even
else:
sys.stdout.write(token)
even = not even
return
def extract_token(asm):
token = asm.split(" ")[0].replace("\t", "").replace("\n", "")
return token
def macro_test(asm):
""" Returns a matching macro, or None/False.
"""
# macros are determined by the first symbol on the line
token = extract_token(asm)
# check against all names
for macro in macros:
if macro.macro_name == token:
return macro, token
return None, None
def macro_translator(macro, token, line):
""" Converts a line with a macro into a rgbasm-compatible line.
"""
assert macro.macro_name == token, "macro/token mismatch"
original_line = line
# remove trailing newline
if line[-1] == "\n":
line = line[:-1]
else:
original_line += "\n"
# remove first tab
has_tab = False
if line[0] == "\t":
has_tab = True
line = line[1:]
# remove duplicate whitespace (also trailing)
line = " ".join(line.split())
params = []
# check if the line has params
if " " in line:
# split the line into separate parameters
params = line.replace(token, "").split(",")
# check if there are no params (redundant)
if len(params) == 1 and params[0] == "":
raise Exception, "macro has no params?"
# write out a comment showing the original line
sys.stdout.write("; original_line: " + original_line)
# certain macros don't need an initial byte written
# do: all scripting macros
# don't: signpost, warp_def, person_event, xy_trigger
if not macro.override_byte_check:
sys.stdout.write("db $%.2x\n" % (macro.id))
# --- long-winded sanity check goes here ---
# sanity check... this won't work because PointerLabelBeforeBank shows
# up as two params, so these two lengths will always be different.
#assert len(params) == len(macro.param_types), \
# "mismatched number of parameters on this line: " + \
# original_line
# v2 sanity check :) although it sorta sucks that this loop happens twice?
allowed_length = 0
for (index, param_type) in macro.param_types.items():
param_klass = param_type["class"]
if param_klass.byte_type == "db":
allowed_length += 1 # just one value
elif param_klass.byte_type == "dw":
if param_klass.size == 2:
allowed_length += 1 # just label
elif param_klass == MoneyByteParam:
allowed_length += 1
elif param_klass.size == 3:
allowed_length += 2 # bank and label
else:
raise Exception, "dunno what to do with a macro param with a size > 3"
else:
raise Exception, "dunno what to do with this non db/dw macro param: " + \
str(param_klass) + " in line: " + original_line
assert len(params) == allowed_length, \
"mismatched number of parameters on this line: " + \
original_line
# --- end of ridiculously long sanity check ---
index = 0
while index < len(macro.param_types):
param_type = macro.param_types[index]
description = param_type["name"]
param_klass = param_type["class"]
byte_type = param_klass.byte_type # db or dw
size = param_klass.size
param = params[index].strip()
# param_klass.to_asm() won't work here because it doesn't
# include db/dw.
# some parameters are really multiple types of bytes
if (byte_type == "dw" and size != 2) or \
(byte_type == "db" and size != 1):
sys.stdout.write("; " + description + "\n")
if size == 3 and issubclass(param_klass, PointerLabelBeforeBank):
# write the bank first
sys.stdout.write("db " + params[index] + "\n")
# write the pointer second
sys.stdout.write("dw " + params[index+1] + "\n")
index += 2
elif size == 3 and issubclass(param_klass, PointerLabelAfterBank):
# write the pointer first
sys.stdout.write("dw " + params[index] + "\n")
# write the bank second
sys.stdout.write("db " + params[index+1] + "\n")
index += 2
elif size == 3 and issubclass(param_klass, MoneyByteParam):
sys.stdout.write("db " + MoneyByteParam.from_asm(params[index]) + "\n")
index += 1
else:
raise Exception, "dunno what to do with this macro " + \
"param (" + str(param_klass) + ") " + "on this line: " + \
original_line
# or just print out the byte
else:
sys.stdout.write(byte_type + " " + param + " ; " + description + "\n")
index += 1
for l in sys.stdin:
# strip and store any comment on this line
if ";" in l:
asm, comment = separate_comment(l)
else:
asm = l
comment = None
# convert text to bytes when a quote appears (not in a comment)
if "\"" in asm:
quote_translator(asm)
# check against other preprocessor features
else:
macro, token = macro_test(asm)
if macro:
macro_translator(macro, token, asm)
else:
sys.stdout.write(asm)
# show line comment
if comment != None:
sys.stdout.write(comment)
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