diff options
Diffstat (limited to 'lua/lexers/chuck.lua')
| -rw-r--r-- | lua/lexers/chuck.lua | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/lua/lexers/chuck.lua b/lua/lexers/chuck.lua new file mode 100644 index 0000000..3efe704 --- /dev/null +++ b/lua/lexers/chuck.lua @@ -0,0 +1,115 @@ +-------------------------------------------------------------------------------- +-- The MIT License +-- +-- Copyright (c) 2010 Martin Morawetz +-- +-- 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. +-------------------------------------------------------------------------------- + +-- Based on lexer code from Mitchell mitchell.att.foicica.com. + +local l = require('lexer') +local token, word_match = l.token, l.word_match +local P, R, S = lpeg.P, lpeg.R, lpeg.S + +local M = {_NAME = 'chuck'} + +-- Whitespace. +local ws = token(l.WHITESPACE, l.space^1) + +-- Comments. +local line_comment = '//' * l.nonnewline_esc^0 +local block_comment = '/*' * (l.any - '*/')^0 * P('*/')^-1 +local comment = token(l.COMMENT, line_comment + block_comment) + +-- Strings. +local sq_str = P('L')^-1 * l.delimited_range("'", true) +local dq_str = P('L')^-1 * l.delimited_range('"', true) +local string = token(l.STRING, sq_str + dq_str) + +-- Numbers. +local number = token(l.NUMBER, l.float + l.integer) + +-- Constants. +local constant = token(l.CONSTANT, word_match{ + -- special values + 'false', 'maybe', 'me', 'null', 'NULL', 'pi', 'true' +}) + +-- Special special value. +local now = token('now', P('now')) + +-- Times. +local time = token('time', word_match{ + 'samp', 'ms', 'second', 'minute', 'hour', 'day', 'week' +}) + +-- Keywords. +local keyword = token(l.KEYWORD, word_match{ + -- Control structures. + 'break', 'continue', 'else', 'for', 'if', 'repeat', 'return', 'switch', + 'until', 'while', + -- Other chuck keywords. + 'function', 'fun', 'spork', 'const', 'new' +}) + +-- Classes. +local class = token(l.CLASS, word_match{ + -- Class keywords. + 'class', 'extends', 'implements', 'interface', 'private', 'protected', + 'public', 'pure', 'super', 'static', 'this' +}) + +-- Types. +local types = token(l.TYPE, word_match{ + 'float', 'int', 'time', 'dur', 'void', 'same' +}) + +-- Global ugens. +local ugen = token('ugen', word_match{'dac', 'adc', 'blackhole'}) + +-- Identifiers. +local identifier = token(l.IDENTIFIER, l.word) + +-- Operators. +local operator = token(l.OPERATOR, S('+-/*%<>!=^&|?~:;.()[]{}@')) + +M._rules = { + {'whitespace', ws}, + {'string', string}, + {'keyword', keyword}, + {'constant', constant}, + {'type', types}, + {'class', class}, + {'ugen', ugen}, + {'time', time}, + {'now', now}, + {'identifier', identifier}, + {'comment', comment}, + {'number', number}, + {'operator', operator}, +} + +M._tokenstyles = { + ugen = l.STYLE_CONSTANT, + time = l.STYLE_NUMBER, + now = l.STYLE_CONSTANT..',bold' +} + +return M |
