AbsentInformationException.java: New file.

2007-03-06  Kyle Galloway  <kgallowa@redhat.com>

	* classpath/gnu/classpath/jdwp/exception/AbsentInformationException.java: New file.
	* classpath/lib/gnu/classpath/jdwp/exception/AbsentInformationException.class: Ditto.
	* gnu/classpath/jdwp/exception/AbsentInformationException.h: Ditto.
	* gnu/classpath/jdwp/natVMMethod.cc: Add CHECK_INTERP_CLASS macro.
	(VMMethod::getLineTable): Use new macro.
	(VMMethod::getVariableTable): Implement.
	* sources.am: Regenerated.
	* Makefile.in: Ditto.

From-SVN: r122639

2 files changed, 125 insertions, 7 deletions

diff --git a/libjava/gnu/classpath/jdwp/exception/AbsentInformationException.h b/libjava/gnu/classpath/jdwp/exception/AbsentInformationException.h
new file mode 100644
index 0000000..bb4c699
--- /dev/null
+++ b/libjava/gnu/classpath/jdwp/exception/AbsentInformationException.h
@@ -0,0 +1,35 @@
+
+// DO NOT EDIT THIS FILE - it is machine generated -*- c++ -*-
+
+#ifndef __gnu_classpath_jdwp_exception_AbsentInformationException__
+#define __gnu_classpath_jdwp_exception_AbsentInformationException__
+
+#pragma interface
+
+#include <gnu/classpath/jdwp/exception/JdwpException.h>
+extern "Java"
+{
+  namespace gnu
+  {
+    namespace classpath
+    {
+      namespace jdwp
+      {
+        namespace exception
+        {
+            class AbsentInformationException;
+        }
+      }
+    }
+  }
+}
+
+class gnu::classpath::jdwp::exception::AbsentInformationException : public ::gnu::classpath::jdwp::exception::JdwpException
+{
+
+public:
+  AbsentInformationException(::java::lang::String *);
+  static ::java::lang::Class class$;
+};
+
+#endif // __gnu_classpath_jdwp_exception_AbsentInformationException__
diff --git a/libjava/gnu/classpath/jdwp/natVMMethod.cc b/libjava/gnu/classpath/jdwp/natVMMethod.cc
index 07d5622..76fd0a6 100644
--- a/libjava/gnu/classpath/jdwp/natVMMethod.cc
+++ b/libjava/gnu/classpath/jdwp/natVMMethod.cc
@@ -15,10 +15,25 @@ details.  */
 #include "jvmti-int.h"
 
 #include <gnu/classpath/jdwp/VMMethod.h>
+#include <gnu/classpath/jdwp/exception/AbsentInformationException.h>
+#include <gnu/classpath/jdwp/exception/InvalidMethodException.h>
 #include <gnu/classpath/jdwp/exception/JdwpInternalErrorException.h>
 #include <gnu/classpath/jdwp/util/LineTable.h>
 #include <gnu/classpath/jdwp/util/VariableTable.h>
 
+using namespace java::lang;
+
+#define CHECK_INTERP_CLASS()	\
+do								\
+  {								\
+    if (!_Jv_IsInterpretedClass (getDeclaringClass ()))	\
+      {													\
+        ::java::lang::String *msg = JvNewStringLatin1 ("native class"); \
+        throw new exception::JdwpInternalErrorException (msg); 			\
+      }													\
+  }								\
+while (0)
+
 jstring
 gnu::classpath::jdwp::VMMethod::getName ()
 {
@@ -56,12 +71,7 @@ gnu::classpath::jdwp::VMMethod::getModifiers ()
 gnu::classpath::jdwp::util::LineTable *
 gnu::classpath::jdwp::VMMethod::getLineTable ()
 {
-  if (!_Jv_IsInterpretedClass (getDeclaringClass ()))
-    {
-      // this should not happen
-      ::java::lang::String *msg = JvNewStringLatin1 ("native class");
-      throw new exception::JdwpInternalErrorException (msg);
-    }
+  CHECK_INTERP_CLASS ();
 
   jmethodID desired_method = reinterpret_cast<jmethodID> (_methodId);
 
@@ -97,5 +107,78 @@ gnu::classpath::jdwp::VMMethod::getLineTable ()
 gnu::classpath::jdwp::util::VariableTable*
 gnu::classpath::jdwp::VMMethod::getVariableTable ()
 {
-  return NULL;
+  using namespace gnu::classpath::jdwp::util;
+  
+  jvmtiEnv *env = _Jv_GetJDWP_JVMTIEnv ();
+	
+  CHECK_INTERP_CLASS ();
+  
+  jmethodID meth = reinterpret_cast<jmethodID> (_methodId);
+  jvmtiLocalVariableEntry *var_table;
+  jint num_slots, args_len;
+  
+  jvmtiError jerr = env->GetLocalVariableTable (meth, &num_slots, &var_table);
+  
+  if (jerr != JVMTI_ERROR_NONE)
+    goto error;
+  
+  jerr = env->GetArgumentsSize (meth, &args_len);
+  
+  if (jerr != JVMTI_ERROR_NONE)
+    {
+    error:
+      using namespace gnu::classpath::jdwp::exception;
+      char *error;
+      env->GetErrorName (jerr, &error);
+      String *msg = JvNewStringUTF (error);
+      env->Deallocate (reinterpret_cast<unsigned char *> (error));
+      
+      if (jerr == JVMTI_ERROR_NATIVE_METHOD)
+        throw new AbsentInformationException (msg);
+      else if (jerr == JVMTI_ERROR_INVALID_METHODID)
+        throw new InvalidMethodException (_methodId);
+      else
+        throw new JdwpInternalErrorException (msg);
+    }
+  
+  jlongArray start_pcs = JvNewLongArray (num_slots);
+  jlong *start_pcs_ptr = elements (start_pcs);
+  jintArray lengths = JvNewIntArray (num_slots);
+  jint *lengths_ptr = elements (lengths);
+  jintArray slots = JvNewIntArray (num_slots);
+  jint *slots_ptr = elements (slots);
+  JArray<String *> *names = reinterpret_cast<JArray<String *> *> 
+                              (JvNewObjectArray (num_slots, 
+                                                 &String::class$, NULL));
+  jstring *names_ptr = elements (names);
+  JArray<String *> *signatures = reinterpret_cast<JArray<String *> *>
+                                   (JvNewObjectArray (num_slots, 
+                                                      &String::class$, NULL));
+  jstring *signatures_ptr = elements (signatures);
+  
+  // Get the information out of the JVMTI strucutre and Deallocate the strings.
+  for (int i = 0; i < num_slots; i++)
+    {
+      start_pcs_ptr[i] = var_table[i].start_location;
+      lengths_ptr[i] = var_table[i].length;
+      slots_ptr[i] = var_table[i].slot;
+      names_ptr[i] = JvNewStringUTF (var_table[i].name);
+      env->Deallocate (reinterpret_cast<unsigned char *> 
+                         (var_table[i].name));
+      signatures_ptr[i] = JvNewStringUTF (var_table[i].signature);
+      env->Deallocate (reinterpret_cast<unsigned char *> 
+                         (var_table[i].signature));
+      env->Deallocate (reinterpret_cast<unsigned char *>
+                         (var_table[i].generic_signature));
+    }
+  
+  // Now Deallocate the table since it's strings have already been freed.
+  env->Deallocate (reinterpret_cast<unsigned char *> (var_table));
+  
+  // Create the new JDWP VariableTable to return with the now filled arrays.
+  VariableTable* jdwp_vtable = new VariableTable (args_len, num_slots,
+                                                  start_pcs, names, signatures,
+                                                  lengths, slots);
+  
+  return jdwp_vtable;
 }