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43 lines
1.5 KiB
Lua
43 lines
1.5 KiB
Lua
--------------------------------------------------------------------------------
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-- Copyright (c) 2006-2014 Fabien Fleutot and others.
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--
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-- All rights reserved.
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--
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-- This program and the accompanying materials are made available
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-- under the terms of the Eclipse Public License v1.0 which
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-- accompanies this distribution, and is available at
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-- http://www.eclipse.org/legal/epl-v10.html
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--
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-- This program and the accompanying materials are also made available
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-- under the terms of the MIT public license which accompanies this
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-- distribution, and is available at http://www.lua.org/license.html
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--
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-- Contributors:
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-- Fabien Fleutot - API and implementation
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--
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--------------------------------------------------------------------------------
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----------------------------------------------------------------------
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-- Generate a new lua-specific lexer, derived from the generic lexer.
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----------------------------------------------------------------------
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local generic_lexer = require 'metalua.grammar.lexer'
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return function()
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local lexer = generic_lexer.lexer :clone()
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local keywords = {
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"and", "break", "do", "else", "elseif",
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"end", "false", "for", "function",
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"goto", -- Lua5.2
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"if",
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"in", "local", "nil", "not", "or", "repeat",
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"return", "then", "true", "until", "while",
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"...", "..", "==", ">=", "<=", "~=",
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"::", -- Lua5,2
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"+{", "-{" } -- Metalua
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for _, w in ipairs(keywords) do lexer :add (w) end
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return lexer
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end |