Initial checkin of lldb code from internal Apple repo.
git-svn-id: https://llvm.org/svn/llvm-project/llvdb/trunk@105619 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/source/Expression/ClangExpressionVariable.cpp b/source/Expression/ClangExpressionVariable.cpp
new file mode 100644
index 0000000..40fee4b
--- /dev/null
+++ b/source/Expression/ClangExpressionVariable.cpp
@@ -0,0 +1,100 @@
+//===-- ClangExpressionVariable.cpp -----------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Expression/ClangExpressionVariable.h"
+
+// C Includes
+// C++ Includes
+// Other libraries and framework includes
+// Project includes
+#include "clang/AST/ASTContext.h"
+
+using namespace lldb_private;
+using namespace clang;
+
+ClangExpressionVariableList::ClangExpressionVariableList() :
+ m_variables()
+{
+}
+
+ClangExpressionVariableList::~ClangExpressionVariableList()
+{
+ uint32_t num_variables = m_variables.size();
+ uint32_t var_index;
+
+ for (var_index = 0; var_index < num_variables; ++var_index)
+ delete m_variables[var_index].m_value;
+}
+
+Value *
+ValueForDecl(ASTContext &ast_context, const VarDecl *var_decl)
+{
+ Value *ret = new Value;
+
+ ret->SetContext(Value::eContextTypeOpaqueClangQualType,
+ var_decl->getType().getAsOpaquePtr());
+
+ uint64_t bit_width = ast_context.getTypeSize(var_decl->getType());
+
+ uint32_t byte_size = (bit_width + 7 ) / 8;
+
+ ret->ResizeData(byte_size);
+
+ return ret;
+}
+
+Value *
+ClangExpressionVariableList::GetVariableForVarDecl (ASTContext &ast_context, const VarDecl *var_decl, uint32_t& idx, bool can_create)
+{
+ uint32_t num_variables = m_variables.size();
+ uint32_t var_index;
+
+ for (var_index = 0; var_index < num_variables; ++var_index)
+ {
+ if (m_variables[var_index].m_var_decl == var_decl)
+ {
+ idx = var_index;
+ return m_variables[var_index].m_value;
+ }
+ }
+
+ if (!can_create)
+ return NULL;
+
+ idx = m_variables.size();
+
+ ClangExpressionVariable val;
+ val.m_var_decl = var_decl;
+ val.m_value = ValueForDecl(ast_context, var_decl);
+ m_variables.push_back(val);
+
+ return m_variables.back().m_value;
+}
+
+Value *
+ClangExpressionVariableList::GetVariableAtIndex (uint32_t idx)
+{
+ if (idx < m_variables.size())
+ return m_variables[idx].m_value;
+
+ return NULL;
+}
+
+uint32_t
+ClangExpressionVariableList::AppendValue (Value *value)
+{
+ uint32_t idx = m_variables.size();
+
+ ClangExpressionVariable val;
+ val.m_var_decl = NULL;
+ val.m_value = value;
+
+ m_variables.push_back(val);
+ return idx;
+}