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| (function() {
var addedGlobals, isStatement, makeYieldFilter, updateState, upgradeEvaluator, _, _ref, _ref1, _ref2;
_ = (_ref = (_ref1 = (_ref2 = typeof window !== "undefined" && window !== null ? window._ : void 0) != null ? _ref2 : typeof self !== "undefined" && self !== null ? self._ : void 0) != null ? _ref1 : typeof global !== "undefined" && global !== null ? global._ : void 0) != null ? _ref : require('lodash');
addedGlobals = require('./protectBuiltins').addedGlobals;
isStatement = function(name) {
return name !== 'Literal' && name !== 'Identifier' && name !== 'ThisExpression' && name !== 'BlockStatement' && name !== 'MemberExpression' && name !== 'FunctionExpression' && name !== 'LogicalExpression' && name !== 'BinaryExpression' && name !== 'UnaryExpression';
};
updateState = function(aether, evaluator) {
var astStack, bottom, f, frame_stack, n, p, rng, s, statementStack, top, variables, x, _base, _base1, _base2, _i, _j, _len, _ref3, _ref4;
frame_stack = evaluator.frames;
top = frame_stack[0];
bottom = frame_stack[frame_stack.length - 1];
if (aether.options.includeFlow) {
if (bottom.flow == null) {
bottom.flow = {
statementsExecuted: 0,
statements: []
};
Eif ((_base = aether.flow).states == null) {
_base.states = [];
}
aether.flow.states.push(bottom.flow);
}
}
if (aether.options.includeMetrics) {
if ((_base1 = aether.metrics).statementsExecuted == null) {
_base1.statementsExecuted = 0;
}
if ((_base2 = aether.metrics).callsExecuted == null) {
_base2.callsExecuted = 0;
}
}
astStack = (function() {
var _i, _len, _results;
_results = [];
for (_i = 0, _len = frame_stack.length; _i < _len; _i++) {
x = frame_stack[_i];
if (x.ast != null) {
_results.push(x.ast);
}
}
return _results;
})();
statementStack = (function() {
var _i, _len, _results;
_results = [];
for (_i = 0, _len = astStack.length; _i < _len; _i++) {
x = astStack[_i];
if (isStatement(x.type)) {
_results.push(x);
}
}
return _results;
})();
if (statementStack[0] != null) {
rng = statementStack[0].originalRange;
if (rng) {
aether.lastStatementRange = [rng.start, rng.end];
}
}
if (top.ast != null) {
if (aether.options.includeMetrics && top.ast.type === 'CallExpression') {
++aether.metrics.callsExecuted;
}
if (isStatement(top.ast.type)) {
if (aether.options.includeMetrics) {
++aether.metrics.statementsExecuted;
}
if (bottom.flow != null) {
++bottom.flow.statementsExecuted;
}
if (bottom.flow != null) {
f = {};
Iif (aether._userInfo != null) {
f.userInfo = _.cloneDeep(aether._userInfo);
}
Eif (!aether.options.noVariablesInFlow) {
variables = {};
for (s = _i = _ref3 = frame_stack.length - 2; _ref3 <= 0 ? _i <= 0 : _i >= 0; s = _ref3 <= 0 ? ++_i : --_i) {
p = frame_stack[s];
if (!p.scope) {
continue;
}
_ref4 = Object.keys(p.scope.object.properties);
for (_j = 0, _len = _ref4.length; _j < _len; _j++) {
n = _ref4[_j];
if (n[0] === '_') {
continue;
}
Eif (p.value) {
variables[n] = p.value.debugString;
}
}
}
f.variables = variables;
}
Eif (astStack[0] != null) {
rng = astStack[0].originalRange;
if (rng) {
f.range = [rng.start, rng.end];
}
}
if (!!f.range) {
return bottom.flow.statements.push(f);
}
}
}
}
};
module.exports.createFunction = function(aether, code) {
var engine, esper, fx, fxName, messWithLoops, name, state, x, _i, _len, _ref3, _ref4, _ref5, _ref6;
esper = (_ref3 = (_ref4 = (_ref5 = typeof window !== "undefined" && window !== null ? window.esper : void 0) != null ? _ref5 : typeof self !== "undefined" && self !== null ? self.esper : void 0) != null ? _ref4 : typeof global !== "undefined" && global !== null ? global.esper : void 0) != null ? _ref3 : require('esper.js');
state = {};
messWithLoops = false;
if (aether.options.whileTrueAutoYield || aether.options.simpleLoops) {
messWithLoops = true;
}
if (!aether.esperEngine) {
aether.esperEngine = new esper.Engine({
strict: true,
foreignObjectMode: 'smart'
});
}
engine = aether.esperEngine;
fxName = aether.options.functionName || 'foo';
if (aether.language.injectCode != null) {
engine.evalASTSync(aether.language.injectCode);
}
_ref6 = Object.keys(addedGlobals);
for (_i = 0, _len = _ref6.length; _i < _len; _i++) {
name = _ref6[_i];
engine.addGlobal(name, addedGlobals[name]);
}
engine.evalASTSync(aether.ast);
upgradeEvaluator(aether, engine.evaluator);
x = 0;
if (aether.options.yieldConditionally) {
fx = engine.fetchFunction(fxName, makeYieldFilter(aether));
} else if (aether.options.yieldAutomatically) {
fx = engine.fetchFunction(fxName, function(engine) {
return true;
});
} else {
fx = engine.fetchFunctionSync(fxName);
}
return fx;
};
makeYieldFilter = function(aether) {
return function(engine) {
var frame_stack, newMark, top;
frame_stack = engine.evaluator.frames;
top = frame_stack[0];
if (top.type === 'loop') {
if (frame_stack[1].ast.type === 'WhileStatement' && frame_stack[1].ast.test.type === 'Literal') {
if (!top.marked) {
top.marked = true;
Iif (aether.whileLoopMarker) {
top.mark = aether.whileLoopMarker();
}
} else if (top.ast == null) {
Eif (!top.didYield) {
Eif (!aether.whileLoopMarker || aether.whileLoopMarker() === top.mark) {
top.didYield = false;
return true;
} else {
newMark = aether.whileLoopMarker();
top.mark = newMark;
}
}
}
}
}
return false;
};
};
module.exports.createThread = function(aether, fx) {
var Evaluator, engine, internalFx;
internalFx = esper.Value.getBookmark(fx);
engine = new esper.Engine(aether.esperEngine.options);
Evaluator = aether.esperEngine.evaluator.constructor;
engine.evaluator = new Evaluator(aether.esperEngine.realm, aether.esperEngine.evaluator.ast, aether.esperEngine.evaluator.frames[0].scope);
engine.evaluator.frames = [];
upgradeEvaluator(aether, engine.evaluator);
return engine.makeFunctionFromClosure(internalFx, function() {
return false;
});
};
module.exports.upgradeEvaluator = upgradeEvaluator = function(aether, evaluator) {
var executionCount;
executionCount = 0;
return evaluator.instrument = function() {
if (++executionCount > aether.options.executionLimit) {
throw new TypeError('Statement execution limit reached');
}
return updateState(aether, evaluator);
};
};
}).call(this);
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