Source code
Revision control
Copy as Markdown
Other Tools
let g = newGlobal({newCompartment: true});
let dbg = new Debugger(g);
let count = 0;
dbg.onEnterFrame = function(frame) {
if (frame.type === "eval") {
return;
}
// This test assumes the hello1 and hello2 functions have prologue bytecode.
assertEq(frame.script.mainOffset > 0, true);
// Prologue bytecode ops are never marked as break/step points.
let prologueData = frame.script.getOffsetMetadata(0);
assertEq(prologueData.isBreakpoint, false);
assertEq(prologueData.isStepStart, false);
// Prologue ops are also never marked as entry points.
let location = frame.script.getOffsetLocation(0);
assertEq(location.isEntryPoint, false);
if (count == 0) {
// hello1
assertEq(location.lineNumber, 3);
assertEq(location.columnNumber, 5);
} else {
// hello2
assertEq(location.lineNumber, 5);
assertEq(location.columnNumber, 18);
}
// getPossibleBreakpointOffsets shouldn't return prologue offsets.
for (let offset of frame.script.getPossibleBreakpointOffsets()) {
assertEq(offset >= frame.script.mainOffset, true);
}
count++;
};
g.eval(` // 1
function hello1(name) { // 2
return [].some((r) => r === name); // 3
} // 4
function hello2(name, x=1) { // 5
return [].some((r) => r === name); // 6
} // 7
hello1("world"); // 8
hello2("world"); // 9
`);
assertEq(count, 2);