1d0a79a5f2
interpolate OpenSCAD surface elements (heightmaps) to BSplineSurface ignore render statement #21 handle difference object with only one child #46 fix sign of import origin in prototype fixed syntax of minkowski statement Added Icon for AddOpenSCADElement #50 and fixed typo in OpenSCAD module ignore OpenSCAD Modifiers #31 handle fuse with a single child remove redefinition of python list make OpenSCAD importCSG avavailable in command line mode add modifier characters to the label of the top affected object started translation remove ColorCodeShapes command from toolbar and menu Added toolbar with Part tools to OpenSCAD WB remove OpenSCAD prototype importer from build
136 lines
3.7 KiB
Python
136 lines
3.7 KiB
Python
# -*- coding: utf8 -*-
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#***************************************************************************
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#* *
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#* Copyright (c) 2012 Keith Sloan <keith@sloan-home.co.uk> *
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#* *
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#* This program is free software; you can redistribute it and/or modify *
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#* it under the terms of the GNU General Public License (GPL) *
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#* as published by the Free Software Foundation; either version 2 of *
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#* the License, or (at your option) any later version. *
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#* for detail see the LICENCE text file. *
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#* *
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#* This program 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 Library General Public License for more details. *
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#* *
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#* You should have received a copy of the GNU Library General Public *
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#* License along with this program; if not, write to the Free Software *
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#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
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#* USA *
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#* *
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#***************************************************************************
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__title__="FreeCAD OpenSCAD Workbench - CSG importer Version 0.5c"
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__author__ = "Keith Sloan <keith@sloan-home.co.uk>"
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__url__ = ["http://www.sloan-home.co.uk/ImportCSG"]
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# Reserved words
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reserved = (
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'group',
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'sphere',
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'cylinder',
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'cube',
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'multmatrix',
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'intersection',
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'difference',
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'union',
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'rotate_extrude',
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'linear_extrude',
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'true',
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'false',
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'circle',
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'square',
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'polygon',
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'paths',
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'points',
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'undef',
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'polyhedron',
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'triangles',
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'render',
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'surface',
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'subdiv',
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'glide',
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'hull',
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'minkowski',
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'projection',
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'import_stl',
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'import_dxf',
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'import',
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'color',
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'cut',
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)
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# List of token names. This is always required
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tokens = reserved + (
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'WORD',
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'NUMBER',
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'LPAREN',
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'RPAREN',
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'OBRACE',
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'EBRACE',
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'OSQUARE',
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'ESQUARE',
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'COMMA',
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'SEMICOL',
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'EQ',
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'STRING',
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'ID',
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'DOT',
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'MODIFIERBACK',
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'MODIFIERDEBUG',
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'MODIFIERROOT',
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'MODIFIERDISABLE'
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)
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# Regular expression rules for simple tokens
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t_WORD = r'[$]?[a-zA-Z_]+[0-9]*'
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t_NUMBER = r'[-]?[0-9]*[\.]*[0-9]+([eE]-?[0-9]+)*'
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t_LPAREN = r'\('
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t_RPAREN = r'\)'
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t_OBRACE = r'{'
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t_EBRACE = r'\}'
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t_OSQUARE = r'\['
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t_ESQUARE = r'\]'
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t_COMMA = r','
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t_SEMICOL = r';'
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t_EQ = r'='
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t_DOT = r'\.'
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t_STRING = r'"[^"]*"'
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#t_STRING = r'["]+[a-zA-Z.]+["]+'
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t_MODIFIERBACK = r'%'
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t_MODIFIERDEBUG = r'\#'
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t_MODIFIERROOT = r'!'
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t_MODIFIERDISABLE = r'\*'
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# Deal with Reserved words
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reserved_map = { }
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for r in reserved:
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reserved_map[r.lower()] = r
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# Deal with Comments
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def t_comment1(t) :
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r'//[^\r\n]*((\r\n)|<<EOF>>)'
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pass
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def t_comment2(t) :
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r'//[^\n]*((\n)|<<EOF>>)'
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pass
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def t_ID(t):
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r'[$]?[a-zA-Z_]+[0-9]*'
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t.type = reserved_map.get(t.value, "ID")
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return t
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# Define a rule so we can track line numbers
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def t_newline(t):
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r'\n+'
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t.lexer.lineno += len(t.value)
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# A string containing ignored characters (spaces and tabs)
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t_ignore = " \t\r"
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# Error handling rule
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def t_error(t):
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print "Illegal character '%s'" % t.value[0]
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t.lexer.skip(1)
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