diff options
Diffstat (limited to 'lua/lexers/actionscript.lua')
| -rw-r--r-- | lua/lexers/actionscript.lua | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/lua/lexers/actionscript.lua b/lua/lexers/actionscript.lua new file mode 100644 index 0000000..a913a45 --- /dev/null +++ b/lua/lexers/actionscript.lua @@ -0,0 +1,75 @@ +-- Copyright 2006-2016 Mitchell mitchell.att.foicica.com. See LICENSE. +-- Actionscript LPeg lexer. + +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 = 'actionscript'} + +-- Whitespace. +local ws = token(l.WHITESPACE, l.space^1) + +-- Comments. +local line_comment = '//' * l.nonnewline^0 +local block_comment = '/*' * (l.any - '*/')^0 * P('*/')^-1 +local comment = token(l.COMMENT, line_comment + block_comment) + +-- Strings. +local sq_str = l.delimited_range("'", true) +local dq_str = l.delimited_range('"', true) +local ml_str = '<![CDATA[' * (l.any - ']]>')^0 * ']]>' +local string = token(l.STRING, sq_str + dq_str + ml_str) + +-- Numbers. +local number = token(l.NUMBER, (l.float + l.integer) * S('LlUuFf')^-2) + +-- Keywords. +local keyword = token(l.KEYWORD, word_match{ + 'break', 'continue', 'delete', 'do', 'else', 'for', 'function', 'if', 'in', + 'new', 'on', 'return', 'this', 'typeof', 'var', 'void', 'while', 'with', + 'NaN', 'Infinity', 'false', 'null', 'true', 'undefined', + -- Reserved for future use. + 'abstract', 'case', 'catch', 'class', 'const', 'debugger', 'default', + 'export', 'extends', 'final', 'finally', 'goto', 'implements', 'import', + 'instanceof', 'interface', 'native', 'package', 'private', 'Void', + 'protected', 'public', 'dynamic', 'static', 'super', 'switch', 'synchonized', + 'throw', 'throws', 'transient', 'try', 'volatile' +}) + +-- Types. +local type = token(l.TYPE, word_match{ + 'Array', 'Boolean', 'Color', 'Date', 'Function', 'Key', 'MovieClip', 'Math', + 'Mouse', 'Number', 'Object', 'Selection', 'Sound', 'String', 'XML', 'XMLNode', + 'XMLSocket', + -- Reserved for future use. + 'boolean', 'byte', 'char', 'double', 'enum', 'float', 'int', 'long', 'short' +}) + +-- Identifiers. +local identifier = token(l.IDENTIFIER, l.word) + +-- Operators. +local operator = token(l.OPERATOR, S('=!<>+-/*%&|^~.,;?()[]{}')) + +M._rules = { + {'whitespace', ws}, + {'keyword', keyword}, + {'type', type}, + {'identifier', identifier}, + {'string', string}, + {'comment', comment}, + {'number', number}, + {'operator', operator}, +} + +M._foldsymbols = { + _patterns = {'[{}]', '/%*', '%*/', '//', '<!%[CDATA%[', '%]%]>'}, + [l.OPERATOR] = {['{'] = 1, ['}'] = -1}, + [l.COMMENT] = { + ['/*'] = 1, ['*/'] = -1, ['//'] = l.fold_line_comments('//') + }, + [l.STRING] = {['<![CDATA['] = 1, [']]>'] = -1} +} + +return M |
