X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Fxwt%2Fjs%2FJSFunction.java;fp=src%2Forg%2Fxwt%2Fjs%2FJSFunction.java;h=0000000000000000000000000000000000000000;hb=3591b88b94a6bb378af3d4abe6eb5233ce583104;hp=2f75ff2dfdc8de8d3be1592e25ed43960ec37423;hpb=de378041d5ca2aca1a2b5a31ef15ae90a86c977f;p=org.ibex.core.git

diff --git a/src/org/xwt/js/JSFunction.java b/src/org/xwt/js/JSFunction.java
deleted file mode 100644
index 2f75ff2..0000000
--- a/src/org/xwt/js/JSFunction.java
+++ /dev/null
@@ -1,134 +0,0 @@
-// Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
-package org.xwt.js;
-
-import org.xwt.util.*;
-import java.util.*;
-import java.io.*;
-
-/** A JavaScript function, compiled into bytecode */
-class JSFunction extends JS implements ByteCodes, Tokens, org.xwt.Scheduler.Task {
-
-
-    // Fields and Accessors ///////////////////////////////////////////////
-
-    int numFormalArgs = 0;         ///< the number of formal arguments
-
-    String sourceName;             ///< the source code file that this block was drawn from
-    private int firstLine = -1;    ///< the first line of this script
-
-    int[] line = new int[10];      ///< the line numbers
-    int[] op = new int[10];        ///< the instructions
-    Object[] arg = new Object[10]; ///< the arguments to the instructions
-    int size = 0;                  ///< the number of instruction/argument pairs
-
-    JSScope parentScope;           ///< the default scope to use as a parent scope when executing this
-
-
-    // Public //////////////////////////////////////////////////////////////////////////////
-
-    // FEATURE: make sure that this can only be called from the Scheduler...
-    /** if you enqueue a function, it gets invoked in its own pauseable context */
-    public void perform() throws JSExn {
-        Interpreter i = new Interpreter(this, true, new JSArray());
-        int oldpausecount = i.pausecount;
-        i.resume();
-    }
-
-    /** parse and compile a function */
-    public static JSFunction _fromReader(String sourceName, int firstLine, Reader sourceCode) throws IOException {
-        JSFunction ret = new JSFunction(sourceName, firstLine, null);
-        if (sourceCode == null) return ret;
-        Parser p = new Parser(sourceCode, sourceName, firstLine);
-        while(true) {
-            int s = ret.size;
-            p.parseStatement(ret, null);
-            if (s == ret.size) break;
-        }
-        ret.add(-1, LITERAL, null); 
-        ret.add(-1, RETURN);
-        return ret;
-    }
-
-    public JSFunction _cloneWithNewParentScope(JSScope s) {
-        JSFunction ret = new JSFunction(sourceName, firstLine, s);
-        // Reuse the same op, arg, line, and size variables for the new "instance" of the function
-        // NOTE: Neither *this* function nor the new function should be modified after this call
-        ret.op = this.op;
-        ret.arg = this.arg;
-        ret.line = this.line;
-        ret.size = this.size;
-        ret.numFormalArgs = this.numFormalArgs;
-        return ret;
-    }
-
-    /** Note: code gets run in an <i>unpauseable</i> context. */
-    public Object call(Object a0, Object a1, Object a2, Object[] rest, int nargs) throws JSExn {
-        JSArray args = new JSArray();
-        if (nargs > 0) args.addElement(a0);
-        if (nargs > 1) args.addElement(a1);
-        if (nargs > 2) args.addElement(a2);
-        for(int i=3; i<nargs; i++) args.addElement(rest[i-3]);
-        Interpreter cx = new Interpreter(this, false, args);
-        return cx.resume();
-    }
-
-    public JSScope getParentScope() { return parentScope; }
-
-    // Adding and Altering Bytecodes ///////////////////////////////////////////////////
-
-    JSFunction(String sourceName, int firstLine, JSScope parentScope) {
-        this.sourceName = sourceName;
-        this.firstLine = firstLine;
-        this.parentScope = parentScope;
-    }
-
-    int get(int pos) { return op[pos]; }
-    Object getArg(int pos) { return arg[pos]; }
-    void set(int pos, int op_, Object arg_) { op[pos] = op_; arg[pos] = arg_; }
-    void set(int pos, Object arg_) { arg[pos] = arg_; }
-    int pop() { size--; arg[size] = null; return op[size]; }
-    void paste(JSFunction other) { for(int i=0; i<other.size; i++) add(other.line[i], other.op[i], other.arg[i]); }
-    JSFunction add(int line, int op_) { return add(line, op_, null); }
-    JSFunction add(int line, int op_, Object arg_) {
-        if (size == op.length - 1) {
-            int[] line2 = new int[op.length * 2]; System.arraycopy(this.line, 0, line2, 0, op.length); this.line = line2;
-            Object[] arg2 = new Object[op.length * 2]; System.arraycopy(arg, 0, arg2, 0, arg.length); arg = arg2;
-            int[] op2 = new int[op.length * 2]; System.arraycopy(op, 0, op2, 0, op.length); op = op2;
-        }
-        this.line[size] = line;
-        op[size] = op_;
-        arg[size] = arg_;
-        size++;
-        return this;
-    }
-    
-
-    // Debugging //////////////////////////////////////////////////////////////////////
-
-    public String toString() { return "JSFunction [" + sourceName + ":" + firstLine + "]"; }
-
-    public String dump() {
-        StringBuffer sb = new StringBuffer(1024);
-        sb.append("\n" + sourceName + ": " + firstLine + "\n");
-        for (int i=0; i < size; i++) {
-            sb.append(i);
-            sb.append(": ");
-            if (op[i] < 0) sb.append(bytecodeToString[-op[i]]);
-            else sb.append(codeToString[op[i]]);
-            sb.append(" ");
-            sb.append(arg[i] == null ? "(no arg)" : arg[i]);
-            if((op[i] == JF || op[i] == JT || op[i] == JMP) && arg[i] != null && arg[i] instanceof Number) {
-                sb.append(" jump to ").append(i+((Number) arg[i]).intValue());
-            } else  if(op[i] == TRY) {
-                int[] jmps = (int[]) arg[i];
-                sb.append(" catch: ").append(jmps[0] < 0 ? "No catch block" : ""+(i+jmps[0]));
-                sb.append(" finally: ").append(jmps[1] < 0 ? "No finally block" : ""+(i+jmps[1]));
-            }
-            sb.append("\n");
-        }
-        return sb.toString();
-    } 
-
-
-}
-