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comparison: js/src/jit-test/tests/debug/breakpoint-11.js
js/src/jit-test/tests/debug/breakpoint-11.js
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| -1:000000000000 | 0:7cfca742e939 |
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| 1 // Setting a breakpoint in a generator function works, and we can | |
| 2 // traverse the stack and evaluate expressions in the context of older | |
| 3 // generator frames. | |
| 4 | |
| 5 var g = newGlobal(); | |
| 6 var dbg = Debugger(g); | |
| 7 dbg.onDebuggerStatement = function (frame) { | |
| 8 function hit(frame) { | |
| 9 assertEq(frame.generator, true); | |
| 10 assertEq(frame.older.generator, true); | |
| 11 frame.older.eval("q += 16"); | |
| 12 } | |
| 13 | |
| 14 var s = frame.script; | |
| 15 var offs = s.getLineOffsets(g.line0 + 9); | |
| 16 for (var i = 0; i < offs.length; i++) | |
| 17 s.setBreakpoint(offs[i], {hit: hit}); | |
| 18 }; | |
| 19 | |
| 20 g.eval("line0 = Error().lineNumber;\n" + | |
| 21 "function* g(x) {\n" + // + 1 | |
| 22 " var q = 10;\n" + // + 2 | |
| 23 " yield* x;\n" + // + 3 | |
| 24 " return q;\n" + // + 4 | |
| 25 "}\n" + // + 5 | |
| 26 "function* range(n) {\n" + // + 6 | |
| 27 " debugger;\n" + // + 7 | |
| 28 " for (var i = 0; i < n; i++)\n" + // + 8 | |
| 29 " yield i;\n" + // + 9 <-- breakpoint | |
| 30 " return;\n" + // so that line 9 only has the yield | |
| 31 "}"); | |
| 32 | |
| 33 g.eval("var iter = g(range(2))"); | |
| 34 g.eval("var first = iter.next().value"); | |
| 35 g.eval("var second = iter.next().value"); | |
| 36 g.eval("var third = iter.next().value"); | |
| 37 | |
| 38 assertEq(g.first, 0); | |
| 39 assertEq(g.second, 1); | |
| 40 assertEq(g.third, 42); |
