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comparison src/luan/interp/NumericForStmt.java @ 32:c3eab5a3ce3c

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implement closures git-svn-id: https://luan-java.googlecode.com/svn/trunk@33 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 14 Dec 2012 05:40:35 +0000
parents 5cf15507d77e
children e3624b7cd603
comparison
equal deleted inserted replaced
31:5cf15507d77e 32:c3eab5a3ce3c
22 22
23 @Override public void eval(LuaStateImpl lua) throws LuaException { 23 @Override public void eval(LuaStateImpl lua) throws LuaException {
24 double v = Lua.checkNumber( fromExpr.eval(lua) ).value(); 24 double v = Lua.checkNumber( fromExpr.eval(lua) ).value();
25 double limit = Lua.checkNumber( toExpr.eval(lua) ).value(); 25 double limit = Lua.checkNumber( toExpr.eval(lua) ).value();
26 double step = Lua.checkNumber( stepExpr.eval(lua) ).value(); 26 double step = Lua.checkNumber( stepExpr.eval(lua) ).value();
27 Object[] stack = lua.stack();
28 try { 27 try {
29 while( step > 0.0 && v <= limit || step < 0.0 && v >= limit ) { 28 while( step > 0.0 && v <= limit || step < 0.0 && v >= limit ) {
30 stack[iVar] = new LuaNumber(v); 29 lua.stackSet( iVar, new LuaNumber(v) );
31 block.eval(lua); 30 block.eval(lua);
32 v += step; 31 v += step;
33 } 32 }
34 } catch(BreakException e) { 33 } catch(BreakException e) {
35 } finally { 34 } finally {
36 stack[iVar] = null; 35 lua.stackClear(iVar,iVar+1);
37 } 36 }
38 } 37 }
39 38
40 } 39 }