https://github.com/anutosh491 created https://github.com/llvm/llvm-project/pull/153560
Fixes https://github.com/llvm/llvm-project/issues/153157 The proposed solution has been discussed here (https://github.com/llvm/llvm-project/issues/153157#issue-3313379242) This is what we would be seeing now ``` base) anutosh491@Anutoshs-MacBook-Air bin % ./lldb /Users/anutosh491/work/xeus-cpp/a.out (lldb) target create "/Users/anutosh491/work/xeus-cpp/a.out" Current executable set to '/Users/anutosh491/work/xeus-cpp/a.out' (arm64). (lldb) b main Breakpoint 1: where = a.out`main, address = 0x0000000100003f90 (lldb) r Process 71227 launched: '/Users/anutosh491/work/xeus-cpp/a.out' (arm64) Process 71227 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1 frame #0: 0x0000000100003f90 a.out`main a.out`main: -> 0x100003f90 <+0>: sub sp, sp, #0x10 0x100003f94 <+4>: str wzr, [sp, #0xc] 0x100003f98 <+8>: str w0, [sp, #0x8] 0x100003f9c <+12>: str x1, [sp] (lldb) expression --repl -l c -- 1> 1 + 1 (int) $0 = 2 2> 2 + 2 (int) $1 = 4 ``` ``` base) anutosh491@Anutoshs-MacBook-Air bin % ./lldb /Users/anutosh491/work/xeus-cpp/a.out (lldb) target create "/Users/anutosh491/work/xeus-cpp/a.out" Current executable set to '/Users/anutosh491/work/xeus-cpp/a.out' (arm64). (lldb) b main Breakpoint 1: where = a.out`main, address = 0x0000000100003f90 (lldb) r Process 71355 launched: '/Users/anutosh491/work/xeus-cpp/a.out' (arm64) Process 71355 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1 frame #0: 0x0000000100003f90 a.out`main a.out`main: -> 0x100003f90 <+0>: sub sp, sp, #0x10 0x100003f94 <+4>: str wzr, [sp, #0xc] 0x100003f98 <+8>: str w0, [sp, #0x8] 0x100003f9c <+12>: str x1, [sp] (lldb) expression --repl -l c -- 3 + 3 Warning: trailing input is ignored in --repl mode 1> 1 + 1 (int) $0 = 2 ``` >From 6e7564602e7a5b608a4d1cd788e66425682e82db Mon Sep 17 00:00:00 2001 From: anutosh491 <andersonbhat...@gmail.com> Date: Thu, 14 Aug 2025 14:25:05 +0530 Subject: [PATCH] Fix unknown error while starting lldb's C/C++ repl --- lldb/source/Commands/CommandObjectExpression.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lldb/source/Commands/CommandObjectExpression.cpp b/lldb/source/Commands/CommandObjectExpression.cpp index c5b91678103d5..57b56ce7eb36e 100644 --- a/lldb/source/Commands/CommandObjectExpression.cpp +++ b/lldb/source/Commands/CommandObjectExpression.cpp @@ -640,9 +640,15 @@ void CommandObjectExpression::DoExecute(llvm::StringRef command, repl_sp->SetValueObjectDisplayOptions(m_varobj_options); } + if (!expr.empty()) { + result.GetOutputStream().Printf( + "Warning: trailing input is ignored in --repl mode\n"); + } + IOHandlerSP io_handler_sp(repl_sp->GetIOHandler()); io_handler_sp->SetIsDone(false); debugger.RunIOHandlerAsync(io_handler_sp); + return; } else { repl_error = Status::FromErrorStringWithFormat( "Couldn't create a REPL for %s", _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
