From d0c84972dd9e23cad80a4237322d31cabc32e205 Mon Sep 17 00:00:00 2001 From: UnlegitDqrk Date: Sun, 1 Mar 2026 13:01:18 +0100 Subject: [PATCH] fixed bug: invoke java variable parameter type method problem --- .../org/luaj/vm2/libs/jse/JavaMember.java | 62 ++++++++++--------- 1 file changed, 34 insertions(+), 28 deletions(-) diff --git a/jse/src/main/java/org/luaj/vm2/libs/jse/JavaMember.java b/jse/src/main/java/org/luaj/vm2/libs/jse/JavaMember.java index cc03f754..95e9bbee 100644 --- a/jse/src/main/java/org/luaj/vm2/libs/jse/JavaMember.java +++ b/jse/src/main/java/org/luaj/vm2/libs/jse/JavaMember.java @@ -1,26 +1,27 @@ /******************************************************************************* -* Copyright (c) 2011 Luaj.org. All rights reserved. -* -* Permission is hereby granted, free of charge, to any person obtaining a copy -* of this software and associated documentation files (the "Software"), to deal -* in the Software without restriction, including without limitation the rights -* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -* copies of the Software, and to permit persons to whom the Software is -* furnished to do so, subject to the following conditions: -* -* The above copyright notice and this permission notice shall be included in -* all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN -* THE SOFTWARE. -******************************************************************************/ + * Copyright (c) 2011 Luaj.org. All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + ******************************************************************************/ package org.luaj.vm2.libs.jse; +import java.lang.reflect.Array; import org.luaj.vm2.Varargs; import org.luaj.vm2.libs.VarArgFunction; import org.luaj.vm2.libs.jse.CoerceLuaToJava.Coercion; @@ -28,10 +29,10 @@ import org.luaj.vm2.libs.jse.CoerceLuaToJava.Coercion; /** * Java method or constructor. *

- * Primarily handles argument coercion for parameter lists including scoring of compatibility and + * Primarily handles argument coercion for parameter lists including scoring of compatibility and * java varargs handling. *

- * This class is not used directly. + * This class is not used directly. * It is an abstract base class for {@link JavaConstructor} and {@link JavaMethod}. * @see JavaConstructor * @see JavaMethod @@ -40,20 +41,20 @@ import org.luaj.vm2.libs.jse.CoerceLuaToJava.Coercion; */ abstract class JavaMember extends VarArgFunction { - + static final int METHOD_MODIFIERS_VARARGS = 0x80; final Coercion[] fixedargs; final Coercion varargs; - + protected JavaMember(Class[] params, int modifiers) { boolean isvarargs = ((modifiers & METHOD_MODIFIERS_VARARGS) != 0); - fixedargs = new Coercion[isvarargs? params.length-1: params.length]; + fixedargs = new CoerceLuaToJava.Coercion[isvarargs? params.length-1: params.length]; for ( int i=0; ifixedargs.length? CoerceLuaToJava.SCORE_WRONG_TYPE * (n-fixedargs.length): 0; @@ -64,7 +65,7 @@ class JavaMember extends VarArgFunction { s += varargs.score( args.arg(k+1) ); return s; } - + protected Object[] convertArgs(Varargs args) { Object[] a; if ( varargs == null ) { @@ -73,6 +74,11 @@ class JavaMember extends VarArgFunction { a[i] = fixedargs[i].coerce( args.arg(i+1) ); } else { int n = Math.max(fixedargs.length,args.narg()); + // This situation indicates that the method has only one input parameter, + // and the parameter is a variable parameter type, etc: append(String...args). + if (n == 0 && varargs instanceof CoerceLuaToJava.ArrayCoercion) { + return new Object[] {Array.newInstance(((CoerceLuaToJava.ArrayCoercion)varargs).componentType,0)}; + } a = new Object[n]; for ( int i=0; i