package org.ibex.js;
import java.io.*;
+import org.ibex.util.*;
/** A JavaScript function, compiled into bytecode */
-class JSFunction extends JS implements ByteCodes, Tokens, org.ibex.Scheduler.Task {
+class JSFunction extends JS implements ByteCodes, Tokens, Task {
// Fields and Accessors ///////////////////////////////////////////////
// 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());
+ Interpreter i = new Interpreter(this, true, new Interpreter.JSArgs(this));
i.resume();
}
}
/** 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);
+ public JS call(JS a0, JS a1, JS a2, JS[] rest, int nargs) throws JSExn {
+ Interpreter cx = new Interpreter(this, false, new Interpreter.JSArgs(a0,a1,a2,rest,nargs,this));
return cx.resume();
}
// Debugging //////////////////////////////////////////////////////////////////////
- public String toString() { return "JSFunction [" + sourceName + ":" + firstLine + "]"; }
+ String debugToString() { return "JSFunction [" + sourceName + ":" + firstLine + "]"; }
- public String dump() {
+ String dump() { return dump(""); }
+ private String dump(String prefix) {
StringBuffer sb = new StringBuffer(1024);
sb.append("\n" + sourceName + ": " + firstLine + "\n");
for (int i=0; i < size; i++) {
+ sb.append(prefix);
sb.append(i).append(" (").append(line[i]).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]);
+ sb.append(arg[i] == null ? "(no arg)" : arg[i] instanceof JS ? JS.debugToString((JS)arg[i]) : 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]));
+ } else if(op[i] == NEWFUNCTION) {
+ sb.append(((JSFunction) arg[i]).dump(prefix + " "));
}
sb.append("\n");
}