1 files changed, 72 insertions, 0 deletions
diff --git a/lldb/source/Expression/ExpressionParser.cpp b/lldb/source/Expression/ExpressionParser.cpp
new file mode 100644
index 0000000..e9f7121
--- /dev/null
+++ b/lldb/source/Expression/ExpressionParser.cpp
@@ -0,0 +1,72 @@
+//===-- ExpressionParser.cpp ----------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "lldb/Expression/ExpressionParser.h"
+#include "lldb/Expression/DiagnosticManager.h"
+#include "lldb/Expression/IRExecutionUnit.h"
+#include "lldb/Target/ExecutionContext.h"
+#include "lldb/Target/ThreadPlanCallFunction.h"
+
+using namespace lldb;
+using namespace lldb_private;
+
+Status ExpressionParser::PrepareForExecution(
+    addr_t &func_addr, addr_t &func_end,
+    std::shared_ptr<IRExecutionUnit> &execution_unit_sp,
+    ExecutionContext &exe_ctx, bool &can_interpret,
+    ExecutionPolicy execution_policy) {
+  Status status =
+      DoPrepareForExecution(func_addr, func_end, execution_unit_sp, exe_ctx,
+                            can_interpret, execution_policy);
+  if (status.Success() && exe_ctx.GetProcessPtr() && exe_ctx.HasThreadScope())
+    status = RunStaticInitializers(execution_unit_sp, exe_ctx);
+
+  return status;
+}
+
+Status
+ExpressionParser::RunStaticInitializers(IRExecutionUnitSP &execution_unit_sp,
+                                        ExecutionContext &exe_ctx) {
+  Status err;
+
+  if (!execution_unit_sp.get()) {
+    err.SetErrorString(
+        "can't run static initializers for a NULL execution unit");
+    return err;
+  }
+
+  if (!exe_ctx.HasThreadScope()) {
+    err.SetErrorString("can't run static initializers without a thread");
+    return err;
+  }
+
+  std::vector<addr_t> static_initializers;
+
+  execution_unit_sp->GetStaticInitializers(static_initializers);
+
+  for (addr_t static_initializer : static_initializers) {
+    EvaluateExpressionOptions options;
+
+    ThreadPlanSP call_static_initializer(new ThreadPlanCallFunction(
+        exe_ctx.GetThreadRef(), Address(static_initializer), CompilerType(),
+        llvm::ArrayRef<addr_t>(), options));
+
+    DiagnosticManager execution_errors;
+    ExpressionResults results =
+        exe_ctx.GetThreadRef().GetProcess()->RunThreadPlan(
+            exe_ctx, call_static_initializer, options, execution_errors);
+
+    if (results != eExpressionCompleted) {
+      err.SetErrorStringWithFormat("couldn't run static initializer: %s",
+                                   execution_errors.GetString().c_str());
+      return err;
+    }
+  }
+
+  return err;
+}