debug-evaluate-locals-optimized.js revision 85b71799222b55eb5dd74ea26efe0c64ab655c8c 
1// Copyright 2008 the V8 project authors. All rights reserved.
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3// modification, are permitted provided that the following conditions are
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5//
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8//     * Redistributions in binary form must reproduce the above
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26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --expose-debug-as debug --allow-natives-syntax
29// Get the Debug object exposed from the debug context global object.
30Debug = debug.Debug
31
32var listenerComplete = false;
33var exception = false;
34
35var testingConstructCall = false;
36
37
38function listener(event, exec_state, event_data, data) {
39  try {
40    if (event == Debug.DebugEvent.Break)
41    {
42      assertEquals(6, exec_state.frameCount());
43
44      for (var i = 0; i < exec_state.frameCount(); i++) {
45        var frame = exec_state.frame(i);
46        if (i < exec_state.frameCount() - 1) {
47          var expected_a = i * 2 + 1;
48          var expected_b = i * 2 + 2;
49          var expected_x = (i + 1) * 2 + 1;
50          var expected_y = (i + 1) * 2 + 2;
51
52          // All frames except the bottom one has normal variables a and b.
53          var a = ('a' === frame.localName(0)) ? 0 : 1;
54          var b = 1 - a;
55          assertEquals('a', frame.localName(a));
56          assertEquals('b', frame.localName(b));
57          assertEquals(expected_a, frame.localValue(a).value());
58          assertEquals(expected_b, frame.localValue(b).value());
59
60          // All frames except the bottom one has arguments variables x and y.
61          assertEquals('x', frame.argumentName(0));
62          assertEquals('y', frame.argumentName(1));
63          assertEquals(expected_x, frame.argumentValue(0).value());
64          assertEquals(expected_y, frame.argumentValue(1).value());
65
66          // All frames except the bottom one have two scopes.
67          assertEquals(2, frame.scopeCount());
68          assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType());
69          assertEquals(debug.ScopeType.Global, frame.scope(1).scopeType());
70          assertEquals(expected_a, frame.scope(0).scopeObject().value()['a']);
71          assertEquals(expected_b, frame.scope(0).scopeObject().value()['b']);
72          assertEquals(expected_x, frame.scope(0).scopeObject().value()['x']);
73          assertEquals(expected_y, frame.scope(0).scopeObject().value()['y']);
74
75          // Evaluate in the inlined frame.
76          assertEquals(expected_a, frame.evaluate('a').value());
77          assertEquals(expected_x, frame.evaluate('x').value());
78          assertEquals(expected_x, frame.evaluate('arguments[0]').value());
79          assertEquals(expected_a + expected_b + expected_x + expected_y,
80                       frame.evaluate('a + b + x + y').value());
81          assertEquals(expected_x + expected_y,
82                       frame.evaluate('arguments[0] + arguments[1]').value());
83        } else {
84          // The bottom frame only have the global scope.
85          assertEquals(1, frame.scopeCount());
86          assertEquals(debug.ScopeType.Global, frame.scope(0).scopeType());
87        }
88
89        // Check the frame function.
90        switch (i) {
91          case 0: assertEquals(h, frame.func().value()); break;
92          case 1: assertEquals(g3, frame.func().value()); break;
93          case 2: assertEquals(g2, frame.func().value()); break;
94          case 3: assertEquals(g1, frame.func().value()); break;
95          case 4: assertEquals(f, frame.func().value()); break;
96          case 5: break;
97          default: assertUnreachable();
98        }
99
100        // Check for construct call.
101        assertEquals(testingConstructCall && i == 4, frame.isConstructCall());
102
103        // When function f is optimized (1 means YES, see runtime.cc) we
104        // expect an optimized frame for f with g1, g2 and g3 inlined.
105        if (%GetOptimizationStatus(f) == 1) {
106          if (i == 1 || i == 2 || i == 3) {
107            assertTrue(frame.isOptimizedFrame());
108            assertTrue(frame.isInlinedFrame());
109            assertEquals(4 - i, frame.inlinedFrameIndex());
110          } else if (i == 4) {
111            assertTrue(frame.isOptimizedFrame());
112            assertFalse(frame.isInlinedFrame());
113          } else {
114            assertFalse(frame.isOptimizedFrame());
115            assertFalse(frame.isInlinedFrame());
116          }
117        }
118      }
119
120      // Indicate that all was processed.
121      listenerComplete = true;
122    }
123  } catch (e) {
124    exception = e.stack;
125  };
126};
127
128f();f();f();
129%OptimizeFunctionOnNextCall(f);
130f();
131
132// Add the debug event listener.
133Debug.setListener(listener);
134
135function h(x, y) {
136  var a = 1;
137  var b = 2;
138  debugger;  // Breakpoint.
139};
140
141function g3(x, y) {
142  var a = 3;
143  var b = 4;
144  h(a, b);
145};
146
147function g2(x, y) {
148  var a = 5;
149  var b = 6;
150  g3(a, b);
151};
152
153function g1(x, y) {
154  var a = 7;
155  var b = 8;
156  g2(a, b);
157};
158
159function f(x, y) {
160  var a = 9;
161  var b = 10;
162  g1(a, b);
163};
164
165// Test calling f normally and as a constructor.
166f(11, 12);
167testingConstructCall = true;
168new f(11, 12);
169
170// Make sure that the debug event listener vas invoked.
171assertFalse(exception, "exception in listener " + exception)
172assertTrue(listenerComplete);
173
174Debug.setListener(null);
175