#!/usr/bin/env python3
-# KLL Compiler
-# Keyboard Layout Langauge
-#
-# Copyright (C) 2014-2015 by Jacob Alexander
+'''
+KLL Compiler
+Keyboard Layout Langauge
+'''
+
+# Copyright (C) 2014-2016 by Jacob Alexander
#
# This file is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
import argparse
import importlib
-import io
import os
-import re
import sys
-import token
-from pprint import pformat
from re import VERBOSE
-from tokenize import generate_tokens
from kll_lib.containers import *
from kll_lib.hid_dict import *
from funcparserlib.lexer import make_tokenizer, Token, LexerError
-from funcparserlib.parser import (some, a, many, oneplus, skip, finished, maybe, skip, forward_decl, NoParseError)
+from funcparserlib.parser import (some, a, many, oneplus, finished, maybe, skip, NoParseError)
### Decorators ###
- ## Print Decorator Variables
+## Print Decorator Variables
ERROR = '\033[5;1;31mERROR\033[0m:'
- ## Python Text Formatting Fixer...
- ## Because the creators of Python are averse to proper capitalization.
+## Python Text Formatting Fixer...
+## Because the creators of Python are averse to proper capitalization.
textFormatter_lookup = {
"usage: " : "Usage: ",
"optional arguments" : "Optional Arguments",
( 'String', ( r'"[^"]*"', ) ),
( 'SequenceString', ( r"'[^']*'", ) ),
( 'Operator', ( r'=>|:\+|:-|::|:|=', ) ),
+ ( 'Number', ( r'(-[ \t]*)?((0x[0-9a-fA-F]+)|(0|([1-9][0-9]*)))', VERBOSE ) ),
( 'Comma', ( r',', ) ),
( 'Dash', ( r'-', ) ),
( 'Plus', ( r'\+', ) ),
( 'Parenthesis', ( r'\(|\)', ) ),
( 'None', ( r'None', ) ),
- ( 'Number', ( r'-?(0x[0-9a-fA-F]+)|(0|([1-9][0-9]*))', VERBOSE ) ),
( 'Name', ( r'[A-Za-z_][A-Za-z_0-9]*', ) ),
( 'VariableContents', ( r'''[^"' ;:=>()]+''', ) ),
( 'EndOfLine', ( r';', ) ),
### Parsing ###
- ## Map Arrays
+## Map Arrays
macros_map = Macros()
variables_dict = Variables()
capabilities_dict = Capabilities()
- ## Parsing Functions
+## Parsing Functions
def make_scanCode( token ):
scanCode = int( token[1:], 0 )
def make_sysCode_number( token ):
return make_hidCode_number( 'SysCode', token )
- # Replace key-word with None specifier (which indicates a noneOut capability)
+ # Replace key-word with None specifier (which indicates a noneOut capability)
def make_none( token ):
return [[[('NONE', 0)]]]
def make_number( token ):
return int( token, 0 )
- # Range can go from high to low or low to high
+# Range can go from high to low or low to high
def make_scanCode_range( rangeVals ):
start = rangeVals[0]
end = rangeVals[1]
# Iterate from start to end, and generate the range
return list( range( start, end + 1 ) )
- # Range can go from high to low or low to high
- # Warn on 0-9 for USBCodes (as this does not do what one would expect) TODO
- # Lookup USB HID tags and convert to a number
+# Range can go from high to low or low to high
+# Warn on 0-9 for USBCodes (as this does not do what one would expect) TODO
+# Lookup USB HID tags and convert to a number
def make_hidCode_range( type, rangeVals ):
# Check if already integers
if isinstance( rangeVals[0], int ):
return make_hidCode_range( 'ConsCode', rangeVals )
- ## Base Rules
+## Base Rules
const = lambda x: lambda _: x
unarg = lambda f: lambda x: f(*x)
def listToTuple( items ):
return tuple( items )
- # Flatten only the top layer (list of lists of ...)
+# Flatten only the top layer (list of lists of ...)
def oneLayerFlatten( items ):
mainList = []
for sublist in items:
return mainList
- # Capability arguments may need to be expanded (e.g. 1 16 bit argument needs to be 2 8 bit arguments for the state machine)
def capArgExpander( items ):
+ '''
+ Capability arguments may need to be expanded
+ (e.g. 1 16 bit argument needs to be 2 8 bit arguments for the state machine)
+
+ If the number is negative, determine width of the final value, mask to max, subtract,
+ then convert to multiple bytes
+ '''
newArgs = []
# For each defined argument in the capability definition
for arg in range( 0, len( capabilities_dict[ items[0] ][1] ) ):
argLen = capabilities_dict[ items[0] ][1][ arg ][1]
num = items[1][ arg ]
- byteForm = num.to_bytes( argLen, byteorder='little' ) # XXX Yes, little endian from how the uC structs work
+
+ # Set last bit if value is negative
+ if num < 0:
+ max_val = 2 ** (argLen * 8)
+ num += max_val
+
+ # XXX Yes, little endian from how the uC structs work
+ byteForm = num.to_bytes( argLen, byteorder='little' )
# For each sub-argument, split into byte-sized chunks
for byte in range( 0, argLen ):
return tuple( [ items[0], tuple( newArgs ) ] )
- # Expand ranges of values in the 3rd dimension of the list, to a list of 2nd lists
- # i.e. [ sequence, [ combo, [ range ] ] ] --> [ [ sequence, [ combo ] ], <option 2>, <option 3> ]
+# Expand ranges of values in the 3rd dimension of the list, to a list of 2nd lists
+# i.e. [ sequence, [ combo, [ range ] ] ] --> [ [ sequence, [ combo ] ], <option 2>, <option 3> ]
def optionExpansion( sequences ):
expandedSequences = []
return tuple( map( tupleit, t ) ) if isinstance( t, ( tuple, list ) ) else t
- ## Evaluation Rules
+## Evaluation Rules
def eval_scanCode( triggers, operator, results ):
# Convert to lists of lists of lists to tuples of tuples of tuples
set_define = unarg( eval_define )
- ## Sub Rules
+## Sub Rules
usbCode = tokenType('USBCode') >> make_usbCode
scanCode = tokenType('ScanCode') >> make_scanCode
seqString = tokenType('SequenceString') >> make_seqString
unseqString = tokenType('SequenceString') >> make_unseqString # For use with variables
- # Code variants
+# Code variants
code_end = tokenType('CodeEnd')
- # Scan Codes
+# Scan Codes
scanCode_start = tokenType('ScanCodeStart')
scanCode_range = number + skip( dash ) + number >> make_scanCode_range
scanCode_listElem = number >> listElem
scanCode_combo = oneplus( ( scanCode_expanded | scanCode_elem ) + skip( maybe( plus ) ) )
scanCode_sequence = oneplus( scanCode_combo + skip( maybe( comma ) ) )
- # USB Codes
+# USB Codes
usbCode_start = tokenType('USBCodeStart')
usbCode_number = number >> make_usbCode_number
usbCode_range = ( usbCode_number | unString ) + skip( dash ) + ( number | unString ) >> make_usbCode_range
usbCode_combo = oneplus( ( usbCode_expanded | usbCode_elem ) + skip( maybe( plus ) ) ) >> listElem
usbCode_sequence = oneplus( ( usbCode_combo | seqString ) + skip( maybe( comma ) ) ) >> oneLayerFlatten
- # Cons Codes
+# Cons Codes
consCode_start = tokenType('ConsCodeStart')
consCode_number = number >> make_consCode_number
consCode_range = ( consCode_number | unString ) + skip( dash ) + ( number | unString ) >> make_consCode_range
consCode_expanded = skip( consCode_start ) + consCode_innerList + skip( code_end )
consCode_elem = consCode >> listElem
- # Sys Codes
+# Sys Codes
sysCode_start = tokenType('SysCodeStart')
sysCode_number = number >> make_sysCode_number
sysCode_range = ( sysCode_number | unString ) + skip( dash ) + ( number | unString ) >> make_sysCode_range
sysCode_expanded = skip( sysCode_start ) + sysCode_innerList + skip( code_end )
sysCode_elem = sysCode >> listElem
- # HID Codes
+# HID Codes
hidCode_elem = usbCode_expanded | usbCode_elem | sysCode_expanded | sysCode_elem | consCode_expanded | consCode_elem
- # Capabilities
+# Capabilities
capFunc_arguments = many( number + skip( maybe( comma ) ) ) >> listToTuple
capFunc_elem = name + skip( parenthesis('(') ) + capFunc_arguments + skip( parenthesis(')') ) >> capArgExpander >> listElem
capFunc_combo = oneplus( ( hidCode_elem | capFunc_elem ) + skip( maybe( plus ) ) ) >> listElem
capFunc_sequence = oneplus( ( capFunc_combo | seqString ) + skip( maybe( comma ) ) ) >> oneLayerFlatten
- # Trigger / Result Codes
+# Trigger / Result Codes
triggerCode_outerList = scanCode_sequence >> optionExpansion
triggerUSBCode_outerList = usbCode_sequence >> optionExpansion >> hidCodeToCapability
resultCode_outerList = ( ( capFunc_sequence >> optionExpansion ) | none ) >> hidCodeToCapability
- ## Main Rules
+## Main Rules
#| <variable> = <variable contents>;
variable_contents = name | content | string | number | comma | dash | unseqString
def processKLLFile( filename ):
- with open( filename ) as file:
+ with open( filename, encoding='utf-8' ) as file:
data = file.read()
try:
tokenSequence = tokenize( data )
- except LexerError as e:
- print ( "{0} Tokenization error in '{1}' - {2}".format( ERROR, filename, e ) )
+ except LexerError as err:
+ print ( "{0} Tokenization error in '{1}' - {2}".format( ERROR, filename, err ) )
sys.exit( 1 )
#print ( pformat( tokenSequence ) ) # Display tokenization
try:
tree = parse( tokenSequence )
- except NoParseError as e:
- print ( "{0} Parsing error in '{1}' - {2}".format( ERROR, filename, e ) )
+ except (NoParseError, KeyError) as err:
+ print ( "{0} Parsing error in '{1}' - {2}".format( ERROR, filename, err ) )
sys.exit( 1 )
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()
+ # 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()