[re]-merged in Brians stuff

[org.ibex.core.git] / src / org / ibex / js / ByteCodes.java

diff --git a/src/org/ibex/js/ByteCodes.java b/src/org/ibex/js/ByteCodes.java
deleted file mode 100644 (file)
index 84c5926..0000000
--- a/src/org/ibex/js/ByteCodes.java
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
-package org.ibex.js;
-
-/**
- *  Constants for the various JavaScript ByteCode operations.
- *
- *  Each instruction is an opcode and an optional literal literal;
- *  some Tokens are also valid; see Tokens.java
- */
-interface ByteCodes {
-
-    /** push the literal onto the stack */
-    public static final byte LITERAL = -2;
-
-    /** push a new array onto the stack with length equal to the literal */
-    public static final byte ARRAY = -3;         
-
-    /** push an empty object onto the stack */
-    public static final byte OBJECT = -4;        
-
-    /** create a new instance; literal is a reference to the corresponding ForthBlock */
-    public static final byte NEWFUNCTION = -5;      
-
-    /** if given a non-null argument declare its argument in the current scope and push
-        it to the stack, else, declares the element on the top of the stack and leaves it
-        there */
-    //public static final byte DECLARE = -6;       
-
-    /** push a reference to the current scope onto the stack */
-    // FIXME: Document this
-    public static final byte GLOBALSCOPE = -7;
-
-    /** if given a null literal pop two elements off the stack; push stack[-1].get(stack[top])
-        else pop one element off the stack, push stack[top].get(literal) */
-    public static final byte GET = -8;           
-
-    /** push stack[-1].get(stack[top]) */
-    public static final byte GET_PRESERVE = -9; 
-
-    /** pop two elements off the stack; stack[-2].put(stack[-1], stack[top]); push stack[top] */
-    public static final byte PUT = -10;           
-
-    /** literal is a relative address; pop stacktop and jump if the value is true */
-    public static final byte JT = -11;           
-
-    /** literal is a relative address; pop stacktop and jump if the value is false */
-    public static final byte JF = -12;           
-
-    /** literal is a relative address; jump to it */
-    public static final byte JMP = -13;          
-
-    /** discard the top stack element */
-    static public final byte POP = -14;          
-
-    /** pop element; call stack[top](stack[-n], stack[-n+1]...) where n is the number of args to the function */
-    public static final byte CALL = -15;         
-
-    /** pop an element; push a JS.JSArray containing the keys of the popped element */
-    public static final byte PUSHKEYS = -16;     
-
-    /** push the top element down so that (arg) elements are on top of it; all other elements retain ordering */
-    public static final byte SWAP = -17;         
-
-    /** execute the bytecode block pointed to by the literal in a fresh scope with parentScope==THIS */
-    public static final byte NEWSCOPE = -18;        
-
-    /** execute the bytecode block pointed to by the literal in a fresh scope with parentScope==THIS */
-    public static final byte OLDSCOPE = -19;
-
-    /** push a copy of the top stack element */
-    public static final byte DUP = -20;          
-
-    /** a NOP; confers a label upon the following instruction */
-    public static final byte LABEL = -21;          
-
-    /** execute the ForthBlock pointed to by the literal until BREAK encountered; push TRUE onto the stack for the first iteration
-     *  and FALSE for all subsequent iterations */
-    public static final byte LOOP = -22;        
-     
-    /** similar effect a a GET followed by a CALL */
-    public static final byte CALLMETHOD = -23;
-
-    /** finish a finally block and carry out whatever instruction initiated the finally block */
-    public static final byte FINALLY_DONE = -24;
-    
-    /** finish a finally block and carry out whatever instruction initiated the finally block */
-    public static final byte MAKE_GRAMMAR = -25;
-    
-    // FIXME: Document these and NEWSCOPE/OLDSCOPE/TOPSCOPE changes
-    public static final byte SCOPEGET = -26;
-    public static final byte SCOPEPUT = -27;    
-    
-    public static final String[] bytecodeToString = new String[] {
-        "", "", "LITERAL", "ARRAY", "OBJECT", "NEWFUNCTION", "DECLARE", "GLOBALSCOPE",
-        "GET", "GET_PRESERVE", "PUT", "JT", "JF", "JMP", "POP", "CALL", "PUSHKEYS",
-        "SWAP", "NEWSCOPE", "OLDSCOPE", "DUP", "LABEL", "LOOP", "CALLMETHOD",
-        "FINALLY_DONE", "MAKE_GRAMMAR", "SCOPEGET", "SCOPEPUT"
-    };
-}