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more control flow operators

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Volker Berlin 2018-03-31 19:28:58 +02:00
parent ffd3e1890b
commit 9c56f8b7ac
1 changed files with 27 additions and 1 deletions
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28
src/de/inetsoftware/jwebassembly/binary/InstructionOpcodes.java
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@ -1,5 +1,5 @@
/*
* Copyright 2017 Volker Berlin (i-net software)
* Copyright 2017 - 2018 Volker Berlin (i-net software)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -23,22 +23,48 @@ package de.inetsoftware.jwebassembly.binary;
*/
interface InstructionOpcodes {
static final int NOP = 0x01;
// === Control flow operators ====
static final int BLOCK = 0x02;
static final int LOOP = 0x03;
/**
* If the value on the stack is true then the if block is executed. <br>
* sequence: IF <return type> <br>
* return type: can be void (0x40) <br>
* stack: remove one i32 value and compare it with 0 <br>
*/
static final int IF = 0x04;
static final int ELSE = 0x05;
static final int END = 0x0B;
/**
* Break a block/loop <br>
* sequence: BR <call deep> <br>
* call deep: How many blocks are break. 0 means the current block<br>
* stack: no change <br>
*/
static final int BR = 0x0C;
static final int BR_IF = 0x0D;
static final int BR_TABLE = 0x0E;
static final int RETURN = 0x0F;
static final int CALL = 0x10;
static final int CALL_INDIRECT = 0x11;
static final int DROP = 0x1A;
static final int SELECT = 0x1B;
// === Variable access ===========
static final int GET_LOCAL = 0x20;