// getLineOffsets works with extended instructions, such as JSOP_GOTOX. var g = newGlobal(); g.line0 = null; var dbg = Debugger(g); var where; dbg.onDebuggerStatement = function (frame) { var s = frame.script; var offs; var lineno = g.line0 + where; offs = s.getLineOffsets(lineno); for (var i = 0; i < offs.length; i++) { assertEq(s.getOffsetLocation(offs[i]).lineNumber, lineno); s.setBreakpoint(offs[i], {hit: function (frame) { g.log += 'B'; }}); } g.log += 'A'; }; function test(s) { assertEq(s.charAt(s.length - 1) !== '\n', true); var count = s.split(/\n/).length; // number of lines in s g.i = 0; g.log = ''; where = 1 + count; g.eval("line0 = Error().lineNumber;\n" + "debugger;\n" + // line0 + 1 s + // line0 + 2 ... line0 + where " log += 'C';\n"); assertEq(g.log, 'ABC'); } function repeat(s) { return Array((1 << 14) + 1).join(s); // 16K copies of s } var long_expr = "i" + repeat(" + i"); var long_throw_stmt = "throw " + long_expr + ";\n"; // long break (JSOP_GOTOX) test("for (;;) {\n" + " if (i === 0)\n" + " break;\n" + " " + long_throw_stmt + "}"); // long continue (JSOP_GOTOX) test("do {\n" + " if (i === 0)\n" + " continue;\n" + " " + long_throw_stmt + "} while (i !== 0);"); // long if consequent (JSOP_IFEQX) test("if (i === 2) {\n" + " " + long_throw_stmt + "}"); // long catch-block with finally (JSOP_GOSUBX) test("try {\n" + " i = 0;\n" + "} catch (exc) {\n" + " throw " + long_expr + ";\n" + "} finally {\n" + " i = 1;\n" + "}"); // long case (JSOP_TABLESWITCHX) test("switch (i) {\n" + " default:\n" + " case 1: " + long_throw_stmt + " case 0: i++; }"); test("switch (i) {\n" + " case 1: case 2: case 3: " + long_throw_stmt + " default: i++; }"); // long case (JSOP_LOOKUPSWITCHX) test("switch ('' + i) {\n" + " default:\n" + " case '1': " + long_throw_stmt + " case '0': i++; }"); test("switch (i) {\n" + " case '1': case '2': case '3': " + long_throw_stmt + " default: i++; }"); // long case or case-expression (JSOP_CASEX) test("switch (i) {\n" + " case i + 1 - i:\n" + " default:\n" + " " + long_throw_stmt + " case i + i:\n" + " i++; break; }"); // long case when JSOP_CASE is used (JSOP_DEFAULTX) test("switch (i) {\n" + " case i + 1 - i:\n" + " " + long_throw_stmt + " default:\n" + " i++; break; }");