debug-evaluate-locals-optimized.js revision 3fb3ca8c7ca439d408449a395897395c0faae8d1 
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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15//
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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          assertEquals('a', frame.localName(0));
54          assertEquals('b', frame.localName(1));
55          assertEquals(expected_a, frame.localValue(0).value());
56          assertEquals(expected_b, frame.localValue(1).value());
57
58          // All frames except the bottom one has arguments variables x and y.
59          assertEquals('x', frame.argumentName(0));
60          assertEquals('y', frame.argumentName(1));
61          assertEquals(expected_x, frame.argumentValue(0).value());
62          assertEquals(expected_y, frame.argumentValue(1).value());
63
64          // All frames except the bottom one have two scopes.
65          assertEquals(2, frame.scopeCount());
66          assertEquals(debug.ScopeType.Local, frame.scope(0).scopeType());
67          assertEquals(debug.ScopeType.Global, frame.scope(1).scopeType());
68          assertEquals(expected_a, frame.scope(0).scopeObject().value()['a']);
69          assertEquals(expected_b, frame.scope(0).scopeObject().value()['b']);
70          assertEquals(expected_x, frame.scope(0).scopeObject().value()['x']);
71          assertEquals(expected_y, frame.scope(0).scopeObject().value()['y']);
72
73          // Evaluate in the inlined frame.
74          assertEquals(expected_a, frame.evaluate('a').value());
75          assertEquals(expected_x, frame.evaluate('x').value());
76          assertEquals(expected_x, frame.evaluate('arguments[0]').value());
77          assertEquals(expected_a + expected_b + expected_x + expected_y,
78                       frame.evaluate('a + b + x + y').value());
79          assertEquals(expected_x + expected_y,
80                       frame.evaluate('arguments[0] + arguments[1]').value());
81        } else {
82          // The bottom frame only have the global scope.
83          assertEquals(1, frame.scopeCount());
84          assertEquals(debug.ScopeType.Global, frame.scope(0).scopeType());
85        }
86
87        // Check the frame function.
88        switch (i) {
89          case 0: assertEquals(h, frame.func().value()); break;
90          case 1: assertEquals(g3, frame.func().value()); break;
91          case 2: assertEquals(g2, frame.func().value()); break;
92          case 3: assertEquals(g1, frame.func().value()); break;
93          case 4: assertEquals(f, frame.func().value()); break;
94          case 5: break;
95          default: assertUnreachable();
96        }
97
98        // Check for construct call.
99        assertEquals(testingConstructCall && i == 4, frame.isConstructCall());
100
101        // When function f is optimized (1 means YES, see runtime.cc) we
102        // expect an optimized frame for f with g1, g2 and g3 inlined.
103        if (%GetOptimizationStatus(f) == 1) {
104          if (i == 1 || i == 2 || i == 3) {
105            assertTrue(frame.isOptimizedFrame());
106            assertTrue(frame.isInlinedFrame());
107            assertEquals(4 - i, frame.inlinedFrameIndex());
108          } else if (i == 4) {
109            assertTrue(frame.isOptimizedFrame());
110            assertFalse(frame.isInlinedFrame());
111          } else {
112            assertFalse(frame.isOptimizedFrame());
113            assertFalse(frame.isInlinedFrame());
114          }
115        }
116      }
117
118      // Indicate that all was processed.
119      listenerComplete = true;
120    }
121  } catch (e) {
122    exception = e
123  };
124};
125
126f();f();f();
127%OptimizeFunctionOnNextCall(f);
128f();
129
130// Add the debug event listener.
131Debug.setListener(listener);
132
133function h(x, y) {
134  var a = 1;
135  var b = 2;
136  debugger;  // Breakpoint.
137};
138
139function g3(x, y) {
140  var a = 3;
141  var b = 4;
142  h(a, b);
143};
144
145function g2(x, y) {
146  var a = 5;
147  var b = 6;
148  g3(a, b);
149};
150
151function g1(x, y) {
152  var a = 7;
153  var b = 8;
154  g2(a, b);
155};
156
157function f(x, y) {
158  var a = 9;
159  var b = 10;
160  g1(a, b);
161};
162
163// Test calling f normally and as a constructor.
164f(11, 12);
165testingConstructCall = true;
166new f(11, 12);
167
168// Make sure that the debug event listener vas invoked.
169assertFalse(exception, "exception in listener " + exception)
170assertTrue(listenerComplete);
171
172Debug.setListener(null);
173