Environment-calleeScript-01.js

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// Debugger.Environment.prototype.calleeScript reveals the script of function

// environments.

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

var dbg = new Debugger;

var gw = dbg.addDebuggee(g);

function check(code, expectedType, expectedCallee) {

  print("check(" + JSON.stringify(code) + ")");

  var hits;

  dbg.onDebuggerStatement = function (frame) {

    hits++;

    var env = frame.environment;

    assertEq(env.type, expectedType);

    assertEq(env.calleeScript, expectedCallee ? expectedCallee.script : null);

};

  hits = 0;

  g.eval(code);

  assertEq(hits, 1);

check('debugger;', 'declarative', null);

check('with({}) { debugger; };', 'with', null);

check('{ let x=1; debugger; };', 'declarative', null);

g.eval('function f() { debugger; }');

check('f()', 'declarative', gw.makeDebuggeeValue(g.f));

g.eval('function g() { h(); }');

g.eval('function h() { debugger; }');

check('g()', 'declarative', gw.makeDebuggeeValue(g.h));

// All evals get a lexical scope.

check('"use strict"; eval("debugger");', 'declarative', null);

g.eval('function j() { "use strict"; eval("debugger;"); }');

check('j()', 'declarative', null);

// All evals get a lexical scope.

check('eval("debugger");', 'declarative', null);

g.eval('function* m() { debugger; yield true; }');

check('m().next();', 'declarative', gw.makeDebuggeeValue(g.m));

g.eval('function n() { { let x = 1; debugger; } }');

check('n()', 'declarative', null);

g.eval('function* o() { debugger; yield true; }');

check('o().next();', 'declarative', gw.makeDebuggeeValue(g.o));