From 056f6f1856513209b46f68ca119e6fcf09aae604 Mon Sep 17 00:00:00 2001
From: Alex Langford <apl@fb.com>
Date: Sat, 8 Jun 2019 18:45:00 +0000
Subject: [LanguageRuntime] Introduce LLVM-style casts

Summary:
Using llvm-style rtti gives us stronger guarantees around casting
LanguageRuntimes.

As discussed in D62755

Differential Revision: https://reviews.llvm.org/D62934

llvm-svn: 362884
---
 .../RenderScriptRuntime/RenderScriptRuntime.cpp    | 38 ++++++++++++----------
 1 file changed, 20 insertions(+), 18 deletions(-)

(limited to 'lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp')

diff --git a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
index 65bac166ffc..1fb3491679d 100644
--- a/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
+++ b/lldb/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
@@ -48,6 +48,8 @@ using namespace lldb_renderscript;
 
 #define FMT_COORD "(%" PRIu32 ", %" PRIu32 ", %" PRIu32 ")"
 
+char RenderScriptRuntime::ID = 0;
+
 namespace {
 
 // The empirical_type adds a basic level of validation to arbitrary data
@@ -1123,9 +1125,9 @@ bool RenderScriptRuntime::HookCallback(void *baton,
   RuntimeHook *hook = (RuntimeHook *)baton;
   ExecutionContext exe_ctx(ctx->exe_ctx_ref);
 
-  RenderScriptRuntime *lang_rt =
-      (RenderScriptRuntime *)exe_ctx.GetProcessPtr()->GetLanguageRuntime(
-          eLanguageTypeExtRenderScript);
+  RenderScriptRuntime *lang_rt = llvm::cast<RenderScriptRuntime>(
+      exe_ctx.GetProcessPtr()->GetLanguageRuntime(
+          eLanguageTypeExtRenderScript));
 
   lang_rt->HookCallback(hook, exe_ctx);
 
@@ -4122,9 +4124,9 @@ public:
   ~CommandObjectRenderScriptRuntimeModuleDump() override = default;
 
   bool DoExecute(Args &command, CommandReturnObject &result) override {
-    RenderScriptRuntime *runtime =
-        (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
-            eLanguageTypeExtRenderScript);
+    RenderScriptRuntime *runtime = llvm::cast<RenderScriptRuntime>(
+        m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
+            eLanguageTypeExtRenderScript));
     runtime->DumpModules(result.GetOutputStream());
     result.SetStatus(eReturnStatusSuccessFinishResult);
     return true;
@@ -4157,9 +4159,9 @@ public:
   ~CommandObjectRenderScriptRuntimeKernelList() override = default;
 
   bool DoExecute(Args &command, CommandReturnObject &result) override {
-    RenderScriptRuntime *runtime =
-        (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
-            eLanguageTypeExtRenderScript);
+    RenderScriptRuntime *runtime = llvm::cast<RenderScriptRuntime>(
+        m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
+            eLanguageTypeExtRenderScript));
     runtime->DumpKernels(result.GetOutputStream());
     result.SetStatus(eReturnStatusSuccessFinishResult);
     return true;
@@ -4404,9 +4406,9 @@ public:
       return false;
     }
 
-    RenderScriptRuntime *runtime =
-        (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
-            eLanguageTypeExtRenderScript);
+    RenderScriptRuntime *runtime = llvm::cast<RenderScriptRuntime>(
+        m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
+            eLanguageTypeExtRenderScript));
 
     auto &outstream = result.GetOutputStream();
     auto &target = m_exe_ctx.GetTargetSP();
@@ -4588,9 +4590,9 @@ public:
   ~CommandObjectRenderScriptRuntimeContextDump() override = default;
 
   bool DoExecute(Args &command, CommandReturnObject &result) override {
-    RenderScriptRuntime *runtime =
-        (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
-            eLanguageTypeExtRenderScript);
+    RenderScriptRuntime *runtime = llvm::cast<RenderScriptRuntime>(
+        m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
+            eLanguageTypeExtRenderScript));
     runtime->DumpContexts(result.GetOutputStream());
     result.SetStatus(eReturnStatusSuccessFinishResult);
     return true;
@@ -4980,9 +4982,9 @@ public:
   ~CommandObjectRenderScriptRuntimeStatus() override = default;
 
   bool DoExecute(Args &command, CommandReturnObject &result) override {
-    RenderScriptRuntime *runtime =
-        (RenderScriptRuntime *)m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
-            eLanguageTypeExtRenderScript);
+    RenderScriptRuntime *runtime = llvm::cast<RenderScriptRuntime>(
+        m_exe_ctx.GetProcessPtr()->GetLanguageRuntime(
+            eLanguageTypeExtRenderScript));
     runtime->DumpStatus(result.GetOutputStream());
     result.SetStatus(eReturnStatusSuccessFinishResult);
     return true;
-- 
cgit v1.2.3