================
@@ -20,6 +47,48 @@ struct ToolContext {
// point to the llvm-driver executable, where PrependArg will be needed to
// invoke the correct tool.
bool NeedsPrependArg;
+
+ ToolContext(const char *Path, const char *PrependArg, bool NeedsPrependArg)
+ : Path(Path), PrependArg(PrependArg), NeedsPrependArg(NeedsPrependArg) {}
+
+ /// Finds a tool registered with the session that owns this context.
+ LLVM_ABI ErrorOr<CallableTool> getCallableTool(StringRef Name) const;
+
+ /// Invokes another tool registered with the same host session.
+ LLVM_ABI ErrorOr<int> callTool(ArrayRef<const char *> Args) const;
+};
+
+/// Owns LLVM process initialization and an in-process tool registry.
+///
+/// A long-lived host constructs one session and uses it for every embedded
+/// tool invocation. The individual tools borrow a ToolContext and therefore do
+/// not initialize or shut down LLVM themselves.
+///
+/// LLVM tools may use process-global state. Tool invocations must be
externally
+/// serialized; concurrent calls are not supported.
+class LLVM_ABI LLVMToolSession {
----------------
anutosh491 wrote:
We can also do the renaming in a subsequent PR if anyone think the last commit
disturbs the main purpose of this PR. Just saying !
https://github.com/llvm/llvm-project/pull/221996
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