Mercurial Hosting > luan
view core/src/luan/LuanState.java @ 361:0581238084ad
fix HTTP parameters for multipart
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Wed, 15 Apr 2015 16:58:51 -0600 |
parents | fed1893821bf |
children | 39c4ac11a58a |
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package luan; import java.io.InputStream; import java.io.PrintStream; import java.util.List; import java.util.ArrayList; import java.util.Map; import java.util.LinkedHashMap; import java.util.Set; import java.util.HashSet; import luan.impl.LuanCompiler; import luan.modules.BasicLuan; import luan.modules.PackageLuan; import luan.modules.JavaLuan; import luan.modules.StringLuan; import luan.modules.BinaryLuan; public abstract class LuanState implements DeepCloneable<LuanState> { final List<StackTraceElement> stackTrace = new ArrayList<StackTraceElement>(); private LuanTableImpl registry; private LuanTableImpl metatable; // generic metatable protected LuanState() { registry = new LuanTableImpl(); metatable = newMetatable(); } protected LuanState(LuanState luan) {} @Override public void deepenClone(LuanState clone,DeepCloner cloner) { clone.registry = cloner.deepClone(registry); clone.metatable = cloner.deepClone(metatable); } public abstract LuanTable currentEnvironment(); public abstract LuanSource currentSource(); public final LuanTable registry() { return registry; } public static LuanState newStandard() { try { LuanState luan = LuanCompiler.newLuanState(); PackageLuan.require(luan,"luan:Luan"); PackageLuan.require(luan,"luan:Io"); return luan; } catch(LuanException e) { throw new RuntimeException(e); } } public final Object eval(String cmd) throws LuanException { return eval(cmd,new LuanTableImpl()); } public final Object eval(String cmd,LuanTable env) throws LuanException { LuanFunction fn = BasicLuan.load(this,cmd,"eval",env,true); return call(fn); } public final LuanTable getMetatable(Object obj) { if( obj==null ) return null; if( obj instanceof LuanTable ) { LuanTable table = (LuanTable)obj; return table.getMetatable(); } return metatable; } public final LuanBit bit(LuanElement el) { return new LuanBit(this,el); } public final Object getHandler(String op,Object obj) { LuanTable t = getMetatable(obj); return t==null ? null : t.get(op); } public final Object getHandler(String op,LuanTable table) { LuanTable t = table.getMetatable(); return t==null ? null : t.get(op); } private static LuanTableImpl newMetatable() { LuanTableImpl metatable = new LuanTableImpl(); try { metatable.put( "__index", new LuanJavaFunction( LuanState.class.getMethod("__index",LuanState.class,Object.class,Object.class), null ) ); metatable.put( "__newindex", new LuanJavaFunction( LuanState.class.getMethod("__newindex",LuanState.class,Object.class,Object.class,Object.class), null ) ); } catch(NoSuchMethodException e) { throw new RuntimeException(e); } return metatable; } public static Object __index(LuanState luan,Object obj,Object key) throws LuanException { if( obj instanceof String ) { Object rtn = StringLuan.__index(luan,(String)obj,key); if( rtn != null ) return rtn; } if( obj instanceof byte[] ) { Object rtn = BinaryLuan.__index(luan,(byte[])obj,key); if( rtn != null ) return rtn; } return JavaLuan.__index(luan,obj,key); } public static void __newindex(LuanState luan,Object obj,Object key,Object value) throws LuanException { JavaLuan.__newindex(luan,obj,key,value); } // convenience methods private final LuanBit JAVA = bit(LuanElement.JAVA); public LuanException exception(Object msg) { return JAVA.exception(msg); } public Object call(LuanFunction fn) throws LuanException { return call(fn,null,LuanFunction.NOTHING); } public Object call(LuanFunction fn,String fnName) throws LuanException { return call(fn,fnName,LuanFunction.NOTHING); } public Object call(LuanFunction fn,Object[] args) throws LuanException { return call(fn,null,args); } public Object call(LuanFunction fn,String fnName,Object[] args) throws LuanException { return JAVA.call(fn,fnName,args); } public LuanFunction checkFunction(Object obj) throws LuanException { return JAVA.checkFunction(obj); } public String toString(Object obj) throws LuanException { return JAVA.toString(obj); } public String repr(Object obj) throws LuanException { return JAVA.repr(obj); } public boolean isLessThan(Object o1,Object o2) throws LuanException { return JAVA.isLessThan(o1,o2); } }