org.mvel2.asm.Context Maven / Gradle / Ivy
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MVEL is a powerful expression language for Java-based applications.
It provides a plethora of features and is suited for everything
from the smallest property binding and extraction, to full blown scripts.
/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000-2011 INRIA, France Telecom
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.mvel2.asm;
/**
* Information about a class being parsed in a {@link ClassReader}.
*
* @author Eric Bruneton
*/
class Context {
/**
* Prototypes of the attributes that must be parsed for this class.
*/
Attribute[] attrs;
/**
* The {@link ClassReader} option flags for the parsing of this class.
*/
int flags;
/**
* The buffer used to read strings.
*/
char[] buffer;
/**
* The start index of each bootstrap method.
*/
int[] bootstrapMethods;
/**
* The access flags of the method currently being parsed.
*/
int access;
/**
* The name of the method currently being parsed.
*/
String name;
/**
* The descriptor of the method currently being parsed.
*/
String desc;
/**
* The label objects, indexed by bytecode offset, of the method currently
* being parsed (only bytecode offsets for which a label is needed have a
* non null associated Label object).
*/
Label[] labels;
/**
* The target of the type annotation currently being parsed.
*/
int typeRef;
/**
* The path of the type annotation currently being parsed.
*/
TypePath typePath;
/**
* The offset of the latest stack map frame that has been parsed.
*/
int offset;
/**
* The labels corresponding to the start of the local variable ranges in the
* local variable type annotation currently being parsed.
*/
Label[] start;
/**
* The labels corresponding to the end of the local variable ranges in the
* local variable type annotation currently being parsed.
*/
Label[] end;
/**
* The local variable indices for each local variable range in the local
* variable type annotation currently being parsed.
*/
int[] index;
/**
* The encoding of the latest stack map frame that has been parsed.
*/
int mode;
/**
* The number of locals in the latest stack map frame that has been parsed.
*/
int localCount;
/**
* The number locals in the latest stack map frame that has been parsed,
* minus the number of locals in the previous frame.
*/
int localDiff;
/**
* The local values of the latest stack map frame that has been parsed.
*/
Object[] local;
/**
* The stack size of the latest stack map frame that has been parsed.
*/
int stackCount;
/**
* The stack values of the latest stack map frame that has been parsed.
*/
Object[] stack;
}