644 lines
21 KiB
Python
Executable File
644 lines
21 KiB
Python
Executable File
#!/usr/bin/env python3
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# KLL Compiler
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# Keyboard Layout Langauge
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#
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# Copyright (C) 2014-2015 by Jacob Alexander
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#
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# This file is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this file. If not, see <http://www.gnu.org/licenses/>.
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### Imports ###
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import argparse
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import io
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import os
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import re
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import sys
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import token
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import importlib
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from tokenize import generate_tokens
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from re import VERBOSE
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from pprint import pformat
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from kll_lib.hid_dict import *
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from kll_lib.containers import *
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from funcparserlib.lexer import make_tokenizer, Token, LexerError
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from funcparserlib.parser import (some, a, many, oneplus, skip, finished, maybe, skip, forward_decl, NoParseError)
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### Decorators ###
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## Print Decorator Variables
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ERROR = '\033[5;1;31mERROR\033[0m:'
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## Python Text Formatting Fixer...
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## Because the creators of Python are averse to proper capitalization.
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textFormatter_lookup = {
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"usage: " : "Usage: ",
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"optional arguments" : "Optional Arguments",
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}
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def textFormatter_gettext( s ):
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return textFormatter_lookup.get( s, s )
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argparse._ = textFormatter_gettext
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### Argument Parsing ###
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def checkFileExists( filename ):
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if not os.path.isfile( filename ):
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print ( "{0} {1} does not exist...".format( ERROR, filename ) )
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sys.exit( 1 )
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def processCommandLineArgs():
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# Setup argument processor
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pArgs = argparse.ArgumentParser(
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usage="%(prog)s [options] <file1>...",
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description="Generates .h file state tables and pointer indices from KLL .kll files.",
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epilog="Example: {0} mykeyboard.kll -d colemak.kll -p hhkbpro2.kll -p symbols.kll".format( os.path.basename( sys.argv[0] ) ),
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formatter_class=argparse.RawTextHelpFormatter,
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add_help=False,
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)
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# Positional Arguments
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pArgs.add_argument( 'files', type=str, nargs='+',
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help=argparse.SUPPRESS ) # Suppressed help output, because Python output is verbosely ugly
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# Optional Arguments
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pArgs.add_argument( '-b', '--backend', type=str, default="kiibohd",
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help="Specify target backend for the KLL compiler.\n"
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"Default: kiibohd\n"
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"Options: kiibohd, json" )
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pArgs.add_argument( '-d', '--default', type=str, nargs='+',
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help="Specify .kll files to layer on top of the default map to create a combined map." )
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pArgs.add_argument( '-p', '--partial', type=str, nargs='+', action='append',
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help="Specify .kll files to generate partial map, multiple files per flag.\n"
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"Each -p defines another partial map.\n"
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"Base .kll files (that define the scan code maps) must be defined for each partial map." )
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pArgs.add_argument( '-t', '--templates', type=str, nargs='+',
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help="Specify template used to generate the keymap.\n"
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"Default: <backend specific>" )
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pArgs.add_argument( '-o', '--outputs', type=str, nargs='+',
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help="Specify output file. Writes to current working directory by default.\n"
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"Default: <backend specific>" )
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pArgs.add_argument( '-h', '--help', action="help",
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help="This message." )
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# Process Arguments
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args = pArgs.parse_args()
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# Parameters
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baseFiles = args.files
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defaultFiles = args.default
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partialFileSets = args.partial
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if defaultFiles is None:
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defaultFiles = []
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if partialFileSets is None:
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partialFileSets = [[]]
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# Check file existance
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for filename in baseFiles:
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checkFileExists( filename )
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for filename in defaultFiles:
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checkFileExists( filename )
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for partial in partialFileSets:
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for filename in partial:
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checkFileExists( filename )
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return (baseFiles, defaultFiles, partialFileSets, args.backend, args.templates, args.outputs)
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### Tokenizer ###
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def tokenize( string ):
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"""str -> Sequence(Token)"""
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# Basic Tokens Spec
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specs = [
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( 'Comment', ( r' *#.*', ) ),
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( 'Space', ( r'[ \t\r\n]+', ) ),
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( 'USBCode', ( r'U(("[^"]+")|(0x[0-9a-fA-F]+)|([0-9]+))', ) ),
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( 'USBCodeStart', ( r'U\[', ) ),
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( 'ScanCode', ( r'S((0x[0-9a-fA-F]+)|([0-9]+))', ) ),
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( 'ScanCodeStart', ( r'S\[', ) ),
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( 'CodeEnd', ( r'\]', ) ),
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( 'String', ( r'"[^"]*"', VERBOSE ) ),
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( 'SequenceString', ( r"'[^']*'", ) ),
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( 'Operator', ( r'=>|:\+|:-|:|=', ) ),
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( 'Comma', ( r',', ) ),
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( 'Dash', ( r'-', ) ),
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( 'Plus', ( r'\+', ) ),
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( 'Parenthesis', ( r'\(|\)', ) ),
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( 'Number', ( r'-?(0x[0-9a-fA-F]+)|(0|([1-9][0-9]*))', VERBOSE ) ),
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( 'Name', ( r'[A-Za-z_][A-Za-z_0-9]*', ) ),
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( 'VariableContents', ( r'''[^"' ;:=>()]+''', ) ),
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( 'EndOfLine', ( r';', ) ),
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]
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# Tokens to filter out of the token stream
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useless = ['Space', 'Comment']
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tokens = make_tokenizer( specs )
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return [x for x in tokens( string ) if x.type not in useless]
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### Parsing ###
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## Map Arrays
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macros_map = Macros()
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variables_dict = Variables()
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capabilities_dict = Capabilities()
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## Parsing Functions
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def make_scanCode( token ):
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scanCode = int( token[1:], 0 )
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# Check size, to make sure it's valid
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if scanCode > 0xFF:
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print ( "{0} ScanCode value {1} is larger than 255".format( ERROR, scanCode ) )
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raise
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return scanCode
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def make_usbCode( token ):
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# If first character is a U, strip
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if token[0] == "U":
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token = token[1:]
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# If using string representation of USB Code, do lookup, case-insensitive
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if '"' in token:
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try:
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usbCode = kll_hid_lookup_dictionary[ token[1:-1].upper() ]
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except LookupError as err:
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print ( "{0} {1} is an invalid USB Code Lookup...".format( ERROR, err ) )
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raise
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else:
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usbCode = int( token, 0 )
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# Check size, to make sure it's valid
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if usbCode > 0xFF:
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print ( "{0} USBCode value {1} is larger than 255".format( ERROR, usbCode ) )
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raise
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return usbCode
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def make_seqString( token ):
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# Shifted Characters, and amount to move by to get non-shifted version
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# US ANSI
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shiftCharacters = (
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( "ABCDEFGHIJKLMNOPQRSTUVWXYZ", 0x20 ),
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( "+", 0x12 ),
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( "&(", 0x11 ),
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( "!#$%<>", 0x10 ),
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( "*", 0x0E ),
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( ")", 0x07 ),
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( '"', 0x05 ),
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( ":", 0x01 ),
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( "^", -0x10 ),
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( "_", -0x18 ),
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( "{}|", -0x1E ),
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( "~", -0x20 ),
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( "@", -0x32 ),
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( "?", -0x38 ),
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)
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listOfLists = []
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shiftKey = kll_hid_lookup_dictionary["SHIFT"]
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# Creates a list of USB codes from the string: sequence (list) of combos (lists)
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for char in token[1:-1]:
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processedChar = char
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# Whether or not to create a combo for this sequence with a shift
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shiftCombo = False
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# Depending on the ASCII character, convert to single character or Shift + character
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for pair in shiftCharacters:
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if char in pair[0]:
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shiftCombo = True
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processedChar = chr( ord( char ) + pair[1] )
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break
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# Do KLL HID Lookup on non-shifted character
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# NOTE: Case-insensitive, which is why the shift must be pre-computed
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usbCode = kll_hid_lookup_dictionary[ processedChar.upper() ]
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# Create Combo for this character, add shift key if shifted
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charCombo = []
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if shiftCombo:
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charCombo = [ [ shiftKey ] ]
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charCombo.append( [ usbCode ] )
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# Add to list of lists
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listOfLists.append( charCombo )
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return listOfLists
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def make_string( token ):
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return token[1:-1]
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def make_unseqString( token ):
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return token[1:-1]
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def make_number( token ):
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return int( token, 0 )
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# Range can go from high to low or low to high
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def make_scanCode_range( rangeVals ):
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start = rangeVals[0]
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end = rangeVals[1]
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# Swap start, end if start is greater than end
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if start > end:
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start, end = end, start
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# Iterate from start to end, and generate the range
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return list( range( start, end + 1 ) )
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# Range can go from high to low or low to high
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# Warn on 0-9 (as this does not do what one would expect) TODO
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# Lookup USB HID tags and convert to a number
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def make_usbCode_range( rangeVals ):
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# Check if already integers
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if isinstance( rangeVals[0], int ):
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start = rangeVals[0]
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else:
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start = make_usbCode( rangeVals[0] )
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if isinstance( rangeVals[1], int ):
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end = rangeVals[1]
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else:
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end = make_usbCode( rangeVals[1] )
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# Swap start, end if start is greater than end
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if start > end:
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start, end = end, start
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# Iterate from start to end, and generate the range
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return list( range( start, end + 1 ) )
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pass
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## Base Rules
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const = lambda x: lambda _: x
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unarg = lambda f: lambda x: f(*x)
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flatten = lambda list: sum( list, [] )
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tokenValue = lambda x: x.value
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tokenType = lambda t: some( lambda x: x.type == t ) >> tokenValue
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operator = lambda s: a( Token( 'Operator', s ) ) >> tokenValue
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parenthesis = lambda s: a( Token( 'Parenthesis', s ) ) >> tokenValue
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eol = a( Token( 'EndOfLine', ';' ) )
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def listElem( item ):
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return [ item ]
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def listToTuple( items ):
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return tuple( items )
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# Flatten only the top layer (list of lists of ...)
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def oneLayerFlatten( items ):
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mainList = []
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for sublist in items:
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for item in sublist:
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mainList.append( item )
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return mainList
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# Capability arguments may need to be expanded (e.g. 1 16 bit argument needs to be 2 8 bit arguments for the state machine)
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def capArgExpander( items ):
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newArgs = []
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# For each defined argument in the capability definition
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for arg in range( 0, len( capabilities_dict[ items[0] ][1] ) ):
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argLen = capabilities_dict[ items[0] ][1][ arg ][1]
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num = items[1][ arg ]
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byteForm = num.to_bytes( argLen, byteorder='little' ) # XXX Yes, little endian from how the uC structs work
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# For each sub-argument, split into byte-sized chunks
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for byte in range( 0, argLen ):
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newArgs.append( byteForm[ byte ] )
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return tuple( [ items[0], tuple( newArgs ) ] )
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# Expand ranges of values in the 3rd dimension of the list, to a list of 2nd lists
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# i.e. [ sequence, [ combo, [ range ] ] ] --> [ [ sequence, [ combo ] ], <option 2>, <option 3> ]
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def optionExpansion( sequences ):
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expandedSequences = []
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# Total number of combinations of the sequence of combos that needs to be generated
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totalCombinations = 1
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# List of leaf lists, with number of leaves
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maxLeafList = []
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# Traverse to the leaf nodes, and count the items in each leaf list
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for sequence in sequences:
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for combo in sequence:
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rangeLen = len( combo )
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totalCombinations *= rangeLen
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maxLeafList.append( rangeLen )
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# Counter list to keep track of which combination is being generated
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curLeafList = [0] * len( maxLeafList )
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# Generate a list of permuations of the sequence of combos
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for count in range( 0, totalCombinations ):
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expandedSequences.append( [] ) # Prepare list for adding the new combination
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position = 0
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# Traverse sequence of combos to generate permuation
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for sequence in sequences:
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expandedSequences[ -1 ].append( [] )
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for combo in sequence:
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expandedSequences[ -1 ][ -1 ].append( combo[ curLeafList[ position ] ] )
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position += 1
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# Increment combination tracker
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for leaf in range( 0, len( curLeafList ) ):
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curLeafList[ leaf ] += 1
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# Reset this position, increment next position (if it exists), then stop
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if curLeafList[ leaf ] >= maxLeafList[ leaf ]:
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curLeafList[ leaf ] = 0
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if leaf + 1 < len( curLeafList ):
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curLeafList[ leaf + 1 ] += 1
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return expandedSequences
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# Converts USB Codes into Capabilities
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def usbCodeToCapability( items ):
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# Items already converted to variants using optionExpansion
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for variant in range( 0, len( items ) ):
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# Sequence of Combos
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for sequence in range( 0, len( items[ variant ] ) ):
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for combo in range( 0, len( items[ variant ][ sequence ] ) ):
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# Only convert if an integer, otherwise USB Code doesn't need converting
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if isinstance( items[ variant ][ sequence ][ combo ], int ):
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# Use backend capability name and a single argument
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items[ variant ][ sequence ][ combo ] = tuple( [ backend.usbCodeCapability(), tuple( [ hid_lookup_dictionary[ items[ variant ][ sequence ][ combo ] ] ] ) ] )
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return items
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## Evaluation Rules
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def eval_scanCode( triggers, operator, results ):
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# Convert to lists of lists of lists to tuples of tuples of tuples
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# Tuples are non-mutable, and can be used has index items
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triggers = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in triggers )
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results = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in results )
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# Iterate over all combinations of triggers and results
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for trigger in triggers:
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for result in results:
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# Append Case
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if operator == ":+":
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macros_map.appendScanCode( trigger, result )
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# Remove Case
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elif operator == ":-":
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macros_map.removeScanCode( trigger, result )
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# Replace Case
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elif operator == ":":
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macros_map.replaceScanCode( trigger, result )
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def eval_usbCode( triggers, operator, results ):
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# Convert to lists of lists of lists to tuples of tuples of tuples
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# Tuples are non-mutable, and can be used has index items
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triggers = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in triggers )
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results = tuple( tuple( tuple( sequence ) for sequence in variant ) for variant in results )
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# Iterate over all combinations of triggers and results
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for trigger in triggers:
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scanCodes = macros_map.lookupUSBCodes( trigger )
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for scanCode in scanCodes:
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for result in results:
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# Cache assignment until file finishes processing
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macros_map.cacheAssignment( operator, scanCode, result )
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def eval_variable( name, content ):
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# Content might be a concatenation of multiple data types, convert everything into a single string
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assigned_content = ""
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for item in content:
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assigned_content += str( item )
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variables_dict.assignVariable( name, assigned_content )
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def eval_capability( name, function, args ):
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capabilities_dict[ name ] = [ function, args ]
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def eval_define( name, cdefine_name ):
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variables_dict.defines[ name ] = cdefine_name
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map_scanCode = unarg( eval_scanCode )
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map_usbCode = unarg( eval_usbCode )
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set_variable = unarg( eval_variable )
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set_capability = unarg( eval_capability )
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set_define = unarg( eval_define )
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## Sub Rules
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usbCode = tokenType('USBCode') >> make_usbCode
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scanCode = tokenType('ScanCode') >> make_scanCode
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name = tokenType('Name')
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number = tokenType('Number') >> make_number
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comma = tokenType('Comma')
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dash = tokenType('Dash')
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plus = tokenType('Plus')
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content = tokenType('VariableContents')
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string = tokenType('String') >> make_string
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unString = tokenType('String') # When the double quotes are still needed for internal processing
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seqString = tokenType('SequenceString') >> make_seqString
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unseqString = tokenType('SequenceString') >> make_unseqString # For use with variables
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# Code variants
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code_end = tokenType('CodeEnd')
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# Scan Codes
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scanCode_start = tokenType('ScanCodeStart')
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scanCode_range = number + skip( dash ) + number >> make_scanCode_range
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scanCode_listElem = number >> listElem
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scanCode_innerList = oneplus( ( scanCode_range | scanCode_listElem ) + skip( maybe( comma ) ) ) >> flatten
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scanCode_expanded = skip( scanCode_start ) + scanCode_innerList + skip( code_end )
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scanCode_elem = scanCode >> listElem
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scanCode_combo = oneplus( ( scanCode_expanded | scanCode_elem ) + skip( maybe( plus ) ) )
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scanCode_sequence = oneplus( scanCode_combo + skip( maybe( comma ) ) )
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# USB Codes
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usbCode_start = tokenType('USBCodeStart')
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usbCode_range = ( number | unString ) + skip( dash ) + ( number | unString ) >> make_usbCode_range
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usbCode_listElemTag = unString >> make_usbCode
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usbCode_listElem = ( number | usbCode_listElemTag ) >> listElem
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usbCode_innerList = oneplus( ( usbCode_range | usbCode_listElem ) + skip( maybe( comma ) ) ) >> flatten
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usbCode_expanded = skip( usbCode_start ) + usbCode_innerList + skip( code_end )
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usbCode_elem = usbCode >> listElem
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usbCode_combo = oneplus( ( usbCode_expanded | usbCode_elem ) + skip( maybe( plus ) ) ) >> listElem
|
|
usbCode_sequence = oneplus( ( usbCode_combo | seqString ) + skip( maybe( comma ) ) ) >> oneLayerFlatten
|
|
|
|
# Capabilities
|
|
capFunc_arguments = many( number + skip( maybe( comma ) ) ) >> listToTuple
|
|
capFunc_elem = name + skip( parenthesis('(') ) + capFunc_arguments + skip( parenthesis(')') ) >> capArgExpander >> listElem
|
|
capFunc_combo = oneplus( ( usbCode_expanded | usbCode_elem | capFunc_elem ) + skip( maybe( plus ) ) ) >> listElem
|
|
capFunc_sequence = oneplus( ( capFunc_combo | seqString ) + skip( maybe( comma ) ) ) >> oneLayerFlatten
|
|
|
|
# Trigger / Result Codes
|
|
triggerCode_outerList = scanCode_sequence >> optionExpansion
|
|
triggerUSBCode_outerList = usbCode_sequence >> optionExpansion >> usbCodeToCapability
|
|
resultCode_outerList = capFunc_sequence >> optionExpansion >> usbCodeToCapability
|
|
|
|
|
|
## Main Rules
|
|
|
|
#| <variable> = <variable contents>;
|
|
variable_contents = name | content | string | number | comma | dash | unseqString
|
|
variable_expression = name + skip( operator('=') ) + oneplus( variable_contents ) + skip( eol ) >> set_variable
|
|
|
|
#| <capability name> => <c function>;
|
|
capability_arguments = name + skip( operator(':') ) + number + skip( maybe( comma ) )
|
|
capability_expression = name + skip( operator('=>') ) + name + skip( parenthesis('(') ) + many( capability_arguments ) + skip( parenthesis(')') ) + skip( eol ) >> set_capability
|
|
|
|
#| <define name> => <c define>;
|
|
define_expression = name + skip( operator('=>') ) + name + skip( eol ) >> set_define
|
|
|
|
#| <trigger> : <result>;
|
|
operatorTriggerResult = operator(':') | operator(':+') | operator(':-')
|
|
scanCode_expression = triggerCode_outerList + operatorTriggerResult + resultCode_outerList + skip( eol ) >> map_scanCode
|
|
usbCode_expression = triggerUSBCode_outerList + operatorTriggerResult + resultCode_outerList + skip( eol ) >> map_usbCode
|
|
|
|
def parse( tokenSequence ):
|
|
"""Sequence(Token) -> object"""
|
|
|
|
# Top-level Parser
|
|
expression = scanCode_expression | usbCode_expression | variable_expression | capability_expression | define_expression
|
|
|
|
kll_text = many( expression )
|
|
kll_file = maybe( kll_text ) + skip( finished )
|
|
|
|
return kll_file.parse( tokenSequence )
|
|
|
|
|
|
|
|
def processKLLFile( filename ):
|
|
with open( filename ) as file:
|
|
data = file.read()
|
|
tokenSequence = tokenize( data )
|
|
#print ( pformat( tokenSequence ) ) # Display tokenization
|
|
try:
|
|
tree = parse( tokenSequence )
|
|
except NoParseError as e:
|
|
print("Error parsing %s. %s" % (filename, e.msg), file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
### Misc Utility Functions ###
|
|
|
|
def gitRevision( kllPath ):
|
|
import subprocess
|
|
|
|
# Change the path to where kll.py is
|
|
origPath = os.getcwd()
|
|
os.chdir( kllPath )
|
|
|
|
# Just in case git can't be found
|
|
try:
|
|
# Get hash of the latest git commit
|
|
revision = subprocess.check_output( ['git', 'rev-parse', 'HEAD'] ).decode()[:-1]
|
|
|
|
# Get list of files that have changed since the commit
|
|
changed = subprocess.check_output( ['git', 'diff-index', '--name-only', 'HEAD', '--'] ).decode().splitlines()
|
|
except:
|
|
revision = "<no git>"
|
|
changed = []
|
|
|
|
# Change back to the old working directory
|
|
os.chdir( origPath )
|
|
|
|
return revision, changed
|
|
|
|
|
|
### Main Entry Point ###
|
|
|
|
if __name__ == '__main__':
|
|
(baseFiles, defaultFiles, partialFileSets, backend_name, templates, outputs) = processCommandLineArgs()
|
|
|
|
# Look up git information on the compiler
|
|
gitRev, gitChanges = gitRevision( os.path.dirname( os.path.realpath( __file__ ) ) )
|
|
|
|
# Load backend module
|
|
global backend
|
|
backend_import = importlib.import_module( "backends.{0}".format( backend_name ) )
|
|
backend = backend_import.Backend( templates )
|
|
|
|
# Process base layout files
|
|
for filename in baseFiles:
|
|
variables_dict.setCurrentFile( filename )
|
|
processKLLFile( filename )
|
|
macros_map.completeBaseLayout() # Indicates to macros_map that the base layout is complete
|
|
variables_dict.baseLayoutFinished()
|
|
|
|
# Default combined layer
|
|
for filename in defaultFiles:
|
|
variables_dict.setCurrentFile( filename )
|
|
processKLLFile( filename )
|
|
# Apply assignment cache, see 5.1.2 USB Codes for why this is necessary
|
|
macros_map.replayCachedAssignments()
|
|
|
|
# Iterate through additional layers
|
|
for partial in partialFileSets:
|
|
# Increment layer for each -p option
|
|
macros_map.addLayer()
|
|
variables_dict.incrementLayer() # DefaultLayer is layer 0
|
|
|
|
# Iterate and process each of the file in the layer
|
|
for filename in partial:
|
|
variables_dict.setCurrentFile( filename )
|
|
processKLLFile( filename )
|
|
|
|
# Apply assignment cache, see 5.1.2 USB Codes for why this is necessary
|
|
macros_map.replayCachedAssignments()
|
|
# Remove un-marked keys to complete the partial layer
|
|
macros_map.removeUnmarked()
|
|
|
|
# Do macro correlation and transformation
|
|
macros_map.generate()
|
|
|
|
# Process needed templating variables using backend
|
|
backend.process(
|
|
capabilities_dict,
|
|
macros_map,
|
|
variables_dict,
|
|
gitRev,
|
|
gitChanges
|
|
)
|
|
|
|
# Generate output file using template and backend
|
|
backend.generate( outputs )
|
|
|
|
# Successful Execution
|
|
sys.exit( 0 )
|
|
|