/js/src/jit-test/tests/debug/Script-getLineOffsets-06.js
JavaScript | 99 lines | 77 code | 13 blank | 9 comment | 1 complexity | ff70166b36dd88a413de4034efaf989a MD5 | raw file
Possible License(s): GPL-2.0, JSON, 0BSD, LGPL-3.0, AGPL-1.0, MIT, MPL-2.0-no-copyleft-exception, BSD-3-Clause, LGPL-2.1, Apache-2.0
- // getLineOffsets works with extended instructions, such as JSOP_GOTOX.
- var g = newGlobal('new-compartment');
- 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.getOffsetLine(offs[i]), 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; }");