| ------------------------------------------------------------------------------- |
| -- Copyright (c) 2006-2013 Fabien Fleutot and others. |
| -- |
| -- All rights reserved. |
| -- |
| -- This program and the accompanying materials are made available |
| -- under the terms of the Eclipse Public License v1.0 which |
| -- accompanies this distribution, and is available at |
| -- http://www.eclipse.org/legal/epl-v10.html |
| -- |
| -- This program and the accompanying materials are also made available |
| -- under the terms of the MIT public license which accompanies this |
| -- distribution, and is available at http://www.lua.org/license.html |
| -- |
| -- Contributors: |
| -- Fabien Fleutot - API and implementation |
| -- |
| ------------------------------------------------------------------------------- |
| |
| -{ extension 'match' } |
| |
| require 'metalua.walk.id' |
| |
| ast = +{ block: |
| y = type(1) |
| function foo(x) |
| local type = 'number' |
| assert(x==type or not x) |
| end |
| foo(x) } |
| |
| disp = |msg,ast| printf("\n%s:\n%s", msg, table.tostring(ast, 80, 'nohash')) |
| disp('initial term', ast) |
| |
| do -- Make globals explicit: |
| local ast = table.deep_copy(ast) |
| local cfg = { id = { } } |
| function cfg.id.free(i) |
| i <- `Index{ `Id '_G', `String{i[1]} } |
| return 'break' |
| end |
| walk_id.block(cfg, ast) |
| disp('Globals made explicit', ast) |
| end |
| |
