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Merge branch 'master' into preprocessor-macro-function

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This commit is contained in:
Bryan Bishop 2013-08-31 10:22:35 -05:00
commit a429bce189
1 changed files with 41 additions and 19 deletions
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60
preprocessor.py
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@ -39,12 +39,6 @@ def load_pokecrystal_macros():
return ourmacros
# show lines before preprocessing in stdout
show_original_lines = False
# helpful for debugging macros
do_macro_sanity_check = False
chars = {
"ガ": 0x05,
"ギ": 0x06,
@ -310,6 +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.
@ -442,12 +446,15 @@ def is_based_on(something, base):
options += [something.__name__]
return (base in options)
def macro_translator(macro, token, line):
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
@ -475,7 +482,7 @@ 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:
@ -516,10 +523,15 @@ def macro_translator(macro, token, line):
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"
raise MacroException(
"dunno what to do with a macro param with a size > 3 (size={size})"
.format(size=param_klass.size)
)
else:
raise Exception, "dunno what to do with this non db/dw macro param: " + \
str(param_klass) + " in line: " + original_line
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"):
@ -527,9 +539,15 @@ def macro_translator(macro, token, line):
else:
allowed_lengths = [allowed_length]
assert len(params) in allowed_lengths, \
"mismatched number of parameters on this line: " + \
original_line
if len(params) not in allowed_lengths:
raise PreprocessorException(
"mismatched number of parameters ({count}, instead of any of {allowed}) on this line: {line}"
.format(
count=len(params),
allowed=allowed_lengths,
line=original_line,
)
)
# --- end of ridiculously long sanity check ---
@ -574,9 +592,13 @@ 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: