mirror of
https://github.com/dolphin-emu/gcdsp-ida.git
synced 2026-01-31 01:05:17 +01:00
591b870c92
sas@ never ended up contributing to that project (though he brainstormed the design with me initially). Moved to my @dolphin-emu.org email since this is going to be moved to the dolphin-emu org instead of my own account.
81 lines
2.3 KiB
Python
Executable File
81 lines
2.3 KiB
Python
Executable File
#! /usr/bin/env python2
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# -*- coding: utf-8 -*-
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"""
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gen_from_tables.py
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Generate a Python instruction table from the one provided in DSPTables.cpp
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(part of the Dolphin project).
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Copyright (C) 2011 Pierre Bourdon <delroth@dolphin-emu.org>
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Licensed under the GPLv2 license, see the LICENSE file at the root of this
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repository.
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"""
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import ast
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import sys
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class Modes: # enumeration
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SKIP = 0
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OPCODES = 1
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OPCODES_EXT = 2
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def full_strip(line):
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"""Strips comments and trailing whitespaces from a line."""
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comment_start = line.find('//')
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if comment_start != -1:
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line = line[:comment_start]
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return line.strip()
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def gen_from_text(text):
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"""Generates the Python code from the file text."""
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lines = [full_strip(l) for l in text.split('\n')]
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mode = Modes.SKIP
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opcodes = []
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opcodes_ext = []
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for line in lines:
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if mode == Modes.SKIP:
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if line == 'const DSPOPCTemplate opcodes[] =':
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mode = Modes.OPCODES
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elif line == 'const DSPOPCTemplate opcodes_ext[] =':
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mode = Modes.OPCODES_EXT
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else:
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if line == '};':
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mode = Modes.SKIP
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elif line == '{' or not line:
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continue
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else:
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fields = line.replace('{', '[').replace('}', ']').split(',')
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fields = fields[0:3] + fields[5:-5] + [fields[-4]]
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fields = map(str.strip, fields)
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fields = ','.join(fields) + ']'
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fields = fields.replace('true', 'True')
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fields = fields.replace('false', 'False')
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fields = fields.replace('P_', 'OpType.')
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if mode == Modes.OPCODES:
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opcodes.append(fields)
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else:
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opcodes_ext.append(fields)
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print 'opcodes = ['
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print ' ' + ',\n '.join(opcodes)
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print ']'
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print
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print 'opcodes_ext = ['
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print ' ' + ',\n '.join(opcodes_ext)
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print ']'
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if __name__ == '__main__':
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if len(sys.argv) != 2:
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print 'usage: %s /path/to/DSPTables.cpp' % sys.argv[0]
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sys.exit(1)
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text = open(sys.argv[1]).read()
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print "#### THIS CODE WAS AUTO-GENERATED BY gen_from_tables.py ####"
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gen_from_text(text)
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print "#### END AUTO-GENERATED CODE ####"
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