/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the "Elastic License
 * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
 * Public License v 1"; you may not use this file except in compliance with, at
 * your election, the "Elastic License 2.0", the "GNU Affero General Public
 * License v3.0 only", or the "Server Side Public License, v 1".
 */

package org.elasticsearch.painless;

/**
 * Provides a way to represent operations independently of ASM, to keep ASM
 * contained to only the writing phase of compilation.  Note there are also
 * a few extra operations not in ASM that are used internally by the
 * Painless tree.
 */
public enum Operation {

    MUL("*", "multiplication"),
    DIV("/", "division"),
    REM("%", "remainder"),
    ADD("+", "addition"),
    SUB("-", "subtraction"),
    FIND("=~", "find"),
    MATCH("==~", "match"),
    LSH("<<", "left shift"),
    RSH(">>", "right shift"),
    USH(">>>", "unsigned shift"),
    BWNOT("~", "bitwise not"),
    BWAND("&", "bitwise and"),
    XOR("^", "bitwise xor"),
    BWOR("|", "boolean or"),
    NOT("!", "boolean not"),
    AND("&&", "boolean and"),
    OR("||", "boolean or"),
    LT("<", "less than"),
    LTE("<=", "less than or equals"),
    GT(">", "greater than"),
    GTE(">=", "greater than or equals"),
    EQ("==", "equals"),
    EQR("===", "reference equals"),
    NE("!=", "not equals"),
    NER("!==", "reference not equals");

    public final String symbol;
    public final String name;

    Operation(final String symbol, final String name) {
        this.symbol = symbol;
        this.name = name;
    }
}