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Merge branch 'master' into yenatch-master

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This commit is contained in:
Bryan Bishop 2013-09-03 14:54:23 -05:00
commit 7ff9ab5d08
2 changed files with 137 additions and 83 deletions
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182
preprocessor.py
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@ -16,26 +16,28 @@ from extras.pokemontools.crystal import (
effect_classes,
)
even_more_macros = [
def load_pokecrystal_macros():
"""
Construct a list of macros that are needed for pokecrystal preprocessing.
"""
ourmacros = []
even_more_macros = [
Warp,
XYTrigger,
Signpost,
PeopleEvent,
DataByteWordMacro,
]
]
macros = command_classes
macros += even_more_macros
macros += [each[1] for each in text_command_classes]
macros += movement_command_classes
macros += music_classes
macros += effect_classes
ourmacros += command_classes
ourmacros += even_more_macros
ourmacros += [each[1] for each in text_command_classes]
ourmacros += movement_command_classes
ourmacros += music_classes
ourmacros += effect_classes
# show lines before preprocessing in stdout
show_original_lines = False
# helpful for debugging macros
do_macro_sanity_check = False
return ourmacros
chars = {
"ガ": 0x05,
@ -302,6 +304,16 @@ chars = {
"9": 0xFF
}
class PreprocessorException(Exception):
"""
There was a problem in the preprocessor.
"""
class MacroException(PreprocessorException):
"""
There was a problem with a macro.
"""
def separate_comment(l):
"""
Separates asm and comments on a single line.
@ -415,11 +427,9 @@ def macro_test(asm, macro_table):
token = extract_token(asm)
# skip db and dw since rgbasm handles those and they aren't macros
if token not in ["db", "dw"]:
# check against all names
if token in macro_table:
if token is not None and token not in ["db", "dw"] and token in macro_table:
return (macro_table[token], token)
else:
return (None, None)
def is_based_on(something, base):
@ -434,12 +444,69 @@ def is_based_on(something, base):
options += [something.__name__]
return (base in options)
def macro_translator(macro, token, line):
def check_macro_sanity(params, macro, original_line):
"""
Checks whether or not the correct number of arguments are being passed to a
certain macro. There are a number of possibilities based on the types of
parameters that define the macro.
@param params: a list of parameters given to the macro
@param macro: macro klass
@param original_line: the line being preprocessed
"""
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.size == 3:
allowed_length += 2 # bank and label
else:
raise MacroException(
"dunno what to do with a macro param with a size > 3 (size={size})"
.format(size=param_klass.size)
)
else:
raise MacroException(
"dunno what to do with this non db/dw macro param: {klass} in line {line}"
.format(klass=param_klass, line=original_line)
)
# sometimes the allowed length can vary
if hasattr(macro, "allowed_lengths"):
allowed_lengths = macro.allowed_lengths + [allowed_length]
else:
allowed_lengths = [allowed_length]
# used twice, so precompute once
params_len = len(params)
if params_len not in allowed_lengths:
raise PreprocessorException(
"mismatched number of parameters ({count}, instead of any of {allowed}) on this line: {line}"
.format(
count=params_len,
allowed=allowed_lengths,
line=original_line,
)
)
return True
def macro_translator(macro, token, line, show_original_lines=False, do_macro_sanity_check=False):
"""
Converts a line with a macro into a rgbasm-compatible line.
"""
assert macro.macro_name == token, "macro/token mismatch"
@param show_original_lines: show lines before preprocessing in stdout
@param do_macro_sanity_check: helpful for debugging macros
"""
if macro.macro_name != token:
raise MacroException("macro/token mismatch")
original_line = line
@ -467,7 +534,7 @@ def macro_translator(macro, token, line):
# check if there are no params (redundant)
if len(params) == 1 and params[0] == "":
raise Exception, "macro has no params?"
raise MacroException("macro has no params?")
# write out a comment showing the original line
if show_original_lines:
@ -485,45 +552,10 @@ def macro_translator(macro, token, line):
if not macro.override_byte_check:
sys.stdout.write("db ${0:02X}\n".format(macro.id))
# --- long-winded sanity check goes here ---
# Does the number of parameters on this line match any allowed number of
# parameters that the macro expects?
if do_macro_sanity_check:
# 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.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
# sometimes the allowed length can vary
if hasattr(macro, "allowed_lengths"):
allowed_lengths = macro.allowed_lengths + [allowed_length]
else:
allowed_lengths = [allowed_length]
assert len(params) in allowed_lengths, \
"mismatched number of parameters on this line: " + \
original_line
# --- end of ridiculously long sanity check ---
check_macro_sanity(params, macro, original_line)
# used for storetext
correction = 0
@ -532,10 +564,7 @@ def macro_translator(macro, token, line):
index = 0
while index < len(params):
try:
param_type = macro.param_types[index - correction]
except KeyError as exception:
raise Exception("line is: " + str(line) + " and macro is: " + str(macro))
description = param_type["name"]
param_klass = param_type["class"]
byte_type = param_klass.byte_type # db or dw
@ -569,9 +598,13 @@ def macro_translator(macro, token, line):
output += ("db " + param_klass.from_asm(param) + "\n")
index += 1
else:
raise Exception, "dunno what to do with this macro " + \
"param (" + str(param_klass) + ") " + "on this line: " + \
original_line
raise MacroException(
"dunno what to do with this macro param ({klass}) in line: {line}"
.format(
klass=param_klass,
line=original_line,
)
)
# or just print out the byte
else:
@ -584,6 +617,10 @@ def macro_translator(macro, token, line):
def read_line(l, macro_table):
"""Preprocesses a given line of asm."""
if l in ["\n", ""] or l[0] == ";":
sys.stdout.write(l)
return # jump out early
# strip comments from asm
asm, comment = separate_comment(l)
@ -597,7 +634,7 @@ def read_line(l, macro_table):
sys.stdout.write(asm)
# ascii string macro preserves the bytes as ascii (skip the translator)
elif len(asm) > 6 and "ascii " == asm[:6] or "\tascii " == asm[:7]:
elif len(asm) > 6 and ("ascii " == asm[:6] or "\tascii " == asm[:7]):
asm = asm.replace("ascii", "db", 1)
sys.stdout.write(asm)
@ -613,11 +650,11 @@ def read_line(l, macro_table):
else:
sys.stdout.write(asm)
if comment: sys.stdout.write(comment)
if comment:
sys.stdout.write(comment)
def preprocess(macros, lines=None):
def preprocess(macro_table, lines=None):
"""Main entry point for the preprocessor."""
macro_table = make_macro_table(macros)
if not lines:
# read each line from stdin
@ -629,6 +666,11 @@ def preprocess(macros, lines=None):
for l in lines:
read_line(l, macro_table)
def main():
macros = load_pokecrystal_macros()
macro_table = make_macro_table(macros)
preprocess(macro_table)
# only run against stdin when not included as a module
if __name__ == "__main__":
preprocess(macros)
main()

24
prequeue.py
View File

@ -1,16 +1,28 @@
# coding: utf-8
# Starting a new python process to preprocess each source file
# creates too much overhead. Instead, a list of files to preprocess
# is fed into a script run from a single process.
"""
Starting a new python process to preprocess each source file creates too much
overhead. Instead, a list of files to preprocess is fed into a script run from
a single process.
"""
import os
import sys
import preprocessor
if __name__ == '__main__':
def main():
macros = preprocessor.load_pokecrystal_macros()
macro_table = preprocessor.make_macro_table(macros)
stdout = sys.stdout
for source in sys.argv[1:]:
dest = os.path.splitext(source)[0] + '.tx'
sys.stdin = open(source, 'r')
sys.stdout = open(dest, 'w')
preprocessor.preprocess(preprocessor.macros)
preprocessor.preprocess(macro_table)
# reset stdout
sys.stdout = stdout
if __name__ == '__main__':
main()