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#!/usr/bin/env python3
#
# Copyright (C) 2019 by Juan J. Martinez <jjm@usebox.net>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
__version__ = "0.4.2"
import json
import sys
import re
import argparse
from os import path
OUR_COMMENT = re.compile(r"(\[[0-9.\s/]+\])")
def z80count(line, parser, total, total_cond, subt, update, tabstop=2, debug=False):
out = line.rstrip() + "\n"
entry = parser.lookup(line)
if entry:
cycles = entry["cycles"]
if "/" in cycles:
c = cycles.split("/")
total += int(c[1])
total_cond += total + int(c[0])
else:
total += int(cycles)
total_cond = 0
line = line.rstrip().rsplit(";", 1)
comment = "; [%s" % cycles
if subt:
if total_cond:
comment += " .. %d/%d]" % (total_cond, total)
else:
comment += " .. %d]" % total
else:
comment += "]"
if debug:
comment += " case{%s}" % entry["case"]
if len(line) == 1:
comment = "\t" * tabstop + comment
out = line[0] + comment
if len(line) > 1:
if update:
m = OUR_COMMENT.search(line[1])
if m:
line[1] = line[1].replace(m.group(0), "")
out += " "
out += line[1].lstrip()
out += "\n"
return (out, total, total_cond)
def parse_command_line():
parser = argparse.ArgumentParser(
description='Z80 Cycle Count', epilog="Copyright (C) 2019 Juan J Martinez <jjm@usebox.net>")
parser.add_argument(
"--version", action="version", version="%(prog)s " + __version__)
parser.add_argument('-d', dest='debug', action='store_true',
help="Enable debug (show the matched case)")
parser.add_argument('-s', dest='subt', action='store_true',
help="Include subtotal")
parser.add_argument('-u', dest='update', action='store_true',
help="Update existing count if available")
parser.add_argument('-t', dest='tabstop', type=int,
help="Number of tabs for new comments", default=2)
parser.add_argument(
"infile", nargs="?", type=argparse.FileType('r'), default=sys.stdin,
help="Input file")
parser.add_argument(
"outfile", nargs="?", type=argparse.FileType('w'), default=sys.stdout,
help="Output file")
return parser.parse_args()
class Parser(object):
"""Simple parser based on a table of regexes.
"""
# [label:] OPERATOR [OPERANDS] [; comment]
_LINE_RE = re.compile(r"^([\w]+:)?\s*(?P<operator>\w+)(\s+.*)?$")
def __init__(self):
self._table = self._load_table()
def lookup(self, line):
mnemo = self._extract_mnemonic(line)
if mnemo is None or mnemo not in self._table:
return None
for entry in self._table[mnemo]:
if entry["cregex"].search(line):
return entry
return None
@classmethod
def _load_table(cls):
table_file = path.join(path.dirname(path.realpath(__file__)), "z80table.json")
with open(table_file, "rt") as fd:
table = json.load(fd)
for i in table:
i["cregex"] = re.compile(r"^\s*" + i["regex"] + r"\s*(;.*)?$", re.I)
table.sort(key=lambda o: o["w"])
res = {}
for i in table:
mnemo = cls._extract_mnemonic(i["case"])
assert mnemo is not None
if mnemo not in res:
res[mnemo] = []
res[mnemo].append(i)
return res
@classmethod
def _extract_mnemonic(cls, line):
match = cls._LINE_RE.match(line)
if match:
return match.group("operator").upper()
return None
def main():
args = parse_command_line()
in_f = args.infile
out_f = args.outfile
parser = Parser()
total = total_cond = 0
for line in in_f:
output, total, total_cond = z80count(
line, parser, total, total_cond, args.subt, args.update, args.tabstop, args.debug)
out_f.write(output)
if __name__ == "__main__":
main()
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