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comparison src/luan/interp/Closure.java @ 111:2428ecfed375

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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection git-svn-id: https://luan-java.googlecode.com/svn/trunk@112 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 23 May 2014 20:40:05 +0000
parents 6db8f286fa6c
children d7be9b3abf1a
comparison
equal deleted inserted replaced
110:7afa6df829f3 111:2428ecfed375
1 package luan.interp; 1 package luan.interp;
2 2
3 import luan.Luan;
3 import luan.LuanFunction; 4 import luan.LuanFunction;
4 import luan.LuanState; 5 import luan.LuanState;
5 import luan.LuanElement; 6 import luan.LuanElement;
6 import luan.LuanException; 7 import luan.LuanException;
7 import luan.DeepCloner; 8 import luan.DeepCloner;
35 36
36 UpValue[] upValues() { 37 UpValue[] upValues() {
37 return upValues; 38 return upValues;
38 } 39 }
39 40
40 public Object[] call(LuanState luan,Object[] args) throws LuanException { 41 @Override public Object call(LuanState luan,Object[] args) throws LuanException {
41 return call(this,(LuanStateImpl)luan,args); 42 return call(this,(LuanStateImpl)luan,args);
42 } 43 }
43 44
44 private static Object[] call(Closure closure,LuanStateImpl luan,Object[] args) throws LuanException { 45 private static Object call(Closure closure,LuanStateImpl luan,Object[] args) throws LuanException {
45 while(true) { 46 while(true) {
46 FnDef fnDef = closure.fnDef; 47 FnDef fnDef = closure.fnDef;
47 Object[] varArgs = null; 48 Object[] varArgs = null;
48 if( fnDef.isVarArg ) { 49 if( fnDef.isVarArg ) {
49 if( args.length > fnDef.numArgs ) { 50 if( args.length > fnDef.numArgs ) {
58 Object[] stack = luan.newFrame(closure,fnDef.stackSize,varArgs); 59 Object[] stack = luan.newFrame(closure,fnDef.stackSize,varArgs);
59 final int n = Math.min(args.length,fnDef.numArgs); 60 final int n = Math.min(args.length,fnDef.numArgs);
60 for( int i=0; i<n; i++ ) { 61 for( int i=0; i<n; i++ ) {
61 stack[i] = args[i]; 62 stack[i] = args[i];
62 } 63 }
63 Object[] returnValues; 64 Object returnValues;
64 Closure tailFn; 65 Closure tailFn;
65 try { 66 try {
66 fnDef.block.eval(luan); 67 fnDef.block.eval(luan);
67 } catch(ReturnException e) { 68 } catch(ReturnException e) {
68 } finally { 69 } finally {
70 closure = luan.tailFn; 71 closure = luan.tailFn;
71 luan.popFrame(); 72 luan.popFrame();
72 } 73 }
73 if( closure == null ) 74 if( closure == null )
74 return returnValues; 75 return returnValues;
75 args = returnValues; 76 args = Luan.array(returnValues);
76 } 77 }
77 } 78 }
78 79
79 } 80 }