[Lldb-commits] [lldb] r136983 - in /lldb/trunk: scripts/Python/interface/SBType.i test/python_api/type/TestTypeList.py

[Johnny Chen]

Author: johnny
Date: Fri Aug  5 16:35:43 2011
New Revision: 136983

URL: http://llvm.org/viewvc/llvm-project?rev=136983&view=rev
Log:
Add SBType.GetBasicType() to the test scenario.

Add docstring for SBType, too.

Modified:
    lldb/trunk/scripts/Python/interface/SBType.i
    lldb/trunk/test/python_api/type/TestTypeList.py

Modified: lldb/trunk/scripts/Python/interface/SBType.i
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/scripts/Python/interface/SBType.i?rev=136983&r1=136982&r2=136983&view=diff
==============================================================================
--- lldb/trunk/scripts/Python/interface/SBType.i (original)
+++ lldb/trunk/scripts/Python/interface/SBType.i Fri Aug  5 16:35:43 2011
@@ -9,6 +9,79 @@
 
 namespace lldb {
 
+%feature("docstring",
+"Represents a data type in lldb.  The FindFirstType() method of SBTarget/SBModule
+returns a SBType.
+
+SBType supports the eq/ne operator. For example,
+
+main.cpp:
+
+class Task {
+public:
+    int id;
+    Task *next;
+    Task(int i, Task *n):
+        id(i),
+        next(n)
+    {}
+};
+
+int main (int argc, char const *argv[])
+{
+    Task *task_head = new Task(-1, NULL);
+    Task *task1 = new Task(1, NULL);
+    Task *task2 = new Task(2, NULL);
+    Task *task3 = new Task(3, NULL); // Orphaned.
+    Task *task4 = new Task(4, NULL);
+    Task *task5 = new Task(5, NULL);
+
+    task_head->next = task1;
+    task1->next = task2;
+    task2->next = task4;
+    task4->next = task5;
+
+    int total = 0;
+    Task *t = task_head;
+    while (t != NULL) {
+        if (t->id >= 0)
+            ++total;
+        t = t->next;
+    }
+    printf('We have a total number of %d tasks\n', total);
+
+    // This corresponds to an empty task list.
+    Task *empty_task_head = new Task(-1, NULL);
+
+    return 0; // Break at this line
+}
+
+find_type.py:
+
+        # Get the type 'Task'.
+        task_type = target.FindFirstType('Task')
+        self.assertTrue(task_type)
+
+        # Get the variable 'task_head'.
+        frame0.FindVariable('task_head')
+        task_head_type = task_head.GetType()
+        self.assertTrue(task_head_type.IsPointerType())
+
+        # task_head_type is 'Task *'.
+        task_pointer_type = task_type.GetPointerType()
+        self.assertTrue(task_head_type == task_pointer_type)
+
+        # Get the child mmember 'id' from 'task_head'.
+        id = task_head.GetChildMemberWithName('id')
+        id_type = id.GetType()
+
+        # SBType.GetBasicType() takes an enum 'BasicType' (lldb-enumerations.h).
+        int_type = id_type.GetBasicType(lldb.eBasicTypeInt)
+        # id_type and int_type should be the same type!
+        self.assertTrue(id_type == int_type)
+
+...
+") SBType;
 class SBType
 {
 public:

Modified: lldb/trunk/test/python_api/type/TestTypeList.py
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/test/python_api/type/TestTypeList.py?rev=136983&r1=136982&r2=136983&view=diff
==============================================================================
--- lldb/trunk/test/python_api/type/TestTypeList.py (original)
+++ lldb/trunk/test/python_api/type/TestTypeList.py Fri Aug  5 16:35:43 2011
@@ -100,6 +100,15 @@
 
         self.assertTrue(task_type == task_head_pointee_type)
 
+        # We'll now get the child member 'id' from 'task_head'.
+        id = task_head.GetChildMemberWithName('id')
+        self.DebugSBValue(id)
+        id_type = id.GetType()
+        self.DebugSBType(id_type)
+
+        # SBType.GetBasicType() takes an enum 'BasicType' (lldb-enumerations.h).
+        int_type = id_type.GetBasicType(lldb.eBasicTypeInt)
+        self.assertTrue(id_type == int_type)
 
 if __name__ == '__main__':
     import atexit