Frame-onPop-21.js - mozsearch

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// frame.eval works from an onPop handler.

var g = newGlobal({newCompartment: true});

g.eval('function f(a,b) { var x = "entablature", y; debugger; return x+y+a+b; }');

var dbg = new Debugger(g);

var log;

dbg.onDebuggerStatement = function handleDebugger(frame) {

    log += 'd';

    frame.onPop = handlePop;

};

function handlePop(c) {

    log += ')';

    // Arguments must be live.

    assertEq(this.eval('a').return, 'frieze');

    assertEq(this.eval('b = "architrave"').return, 'architrave');

    assertEq(this.eval('arguments[1]').return, 'architrave');

    assertEq(this.eval('b').return, 'architrave');

    // function-scope variables must be live.

    assertEq(this.eval('x').return, 'entablature');

    assertEq(this.eval('y = "cornice"').return, 'cornice');

    assertEq(this.eval('y').return, 'cornice');

log = '';

g.eval('f("frieze", "stylobate")');

assertEq(log, 'd)');