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[lldb/interpreter] Improve REPL init file compatibility

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This patch changes the command interpreter sourcing logic for the REPL
init file. Instead of looking for a arbitrary file name, it standardizes
the REPL init file name to match to following scheme:

                          `.lldbinit-<language>-repl`

This will make the naming more homogenous and the sourcing logic future-proof.

rdar://65836048

Differential Revision: https://reviews.llvm.org/D86987

Signed-off-by: Med Ismail Bennani <medismail.bennani@gmail.com>
This commit is contained in:
Med Ismail Bennani 2020-09-02 00:47:16 +02:00
parent ca842c825a
commit 0224738c1a
3 changed files with 13 additions and 11 deletions
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8
lldb/docs/man/lldb.rst
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@ -311,9 +311,11 @@ program. This would be ~/.lldbinit-lldb for the command line :program:`lldb`
and ~/.lldbinit-Xcode for Xcode. If there is no application specific init and ~/.lldbinit-Xcode for Xcode. If there is no application specific init
file, :program:`lldb` will look for an init file in the home directory. file, :program:`lldb` will look for an init file in the home directory.
If launched with a `REPL`_ option, it will first look for a REPL configuration If launched with a `REPL`_ option, it will first look for a REPL configuration
file, specific to the REPL language. If this file doesn't exist, or :program:`lldb` file, specific to the REPL language. The init file should be named as follow:
wasn't launch with `REPL`_, meaning there is neither a REPL init file nor an `.lldbinit-<language>-repl` (i.e. `.lldbinit-swift-repl`). If this file doesn't
application specific init file, `lldb` will fallback to the global ~/.lldbinit. exist, or :program:`lldb` wasn't launch with `REPL`_, meaning there is neither
a REPL init file nor an application specific init file, `lldb` will fallback to
the global ~/.lldbinit.
Secondly, it will look for an .lldbinit file in the current working directory. Secondly, it will look for an .lldbinit file in the current working directory.
For security reasons, :program:`lldb` will print a warning and not source this For security reasons, :program:`lldb` will print a warning and not source this

14
lldb/source/Interpreter/CommandInterpreter.cpp
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@ -68,6 +68,7 @@
#include "lldb/Interpreter/Property.h" #include "lldb/Interpreter/Property.h"
#include "lldb/Utility/Args.h" #include "lldb/Utility/Args.h"
#include "lldb/Target/Language.h"
#include "lldb/Target/Process.h" #include "lldb/Target/Process.h"
#include "lldb/Target/StopInfo.h" #include "lldb/Target/StopInfo.h"
#include "lldb/Target/TargetList.h" #include "lldb/Target/TargetList.h"
@ -2093,17 +2094,16 @@ static void GetHomeInitFile(llvm::SmallVectorImpl<char> &init_file,
static void GetHomeREPLInitFile(llvm::SmallVectorImpl<char> &init_file, static void GetHomeREPLInitFile(llvm::SmallVectorImpl<char> &init_file,
LanguageType language) { LanguageType language) {
std::string init_file_name; if (language == LanguageType::eLanguageTypeUnknown)
switch (language) {
// TODO: Add support for a language used with a REPL.
default:
return; return;
}
std::string init_file_name =
(llvm::Twine(".lldbinit-") +
llvm::Twine(Language::GetNameForLanguageType(language)) +
llvm::Twine("-repl"))
.str();
FileSystem::Instance().GetHomeDirectory(init_file); FileSystem::Instance().GetHomeDirectory(init_file);
llvm::sys::path::append(init_file, init_file_name); llvm::sys::path::append(init_file, init_file_name);
FileSystem::Instance().Resolve(init_file); FileSystem::Instance().Resolve(init_file);
} }

2
lldb/tools/driver/Driver.cpp
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@ -491,7 +491,7 @@ int Driver::MainLoop() {
SBCommandInterpreter sb_interpreter = m_debugger.GetCommandInterpreter(); SBCommandInterpreter sb_interpreter = m_debugger.GetCommandInterpreter();
// Before we handle any options from the command line, we parse the // Before we handle any options from the command line, we parse the
// .lldbinit file in the user's home directory. // REPL init file or the default file in the user's home directory.
SBCommandReturnObject result; SBCommandReturnObject result;
sb_interpreter.SourceInitFileInHomeDirectory(result, m_option_data.m_repl); sb_interpreter.SourceInitFileInHomeDirectory(result, m_option_data.m_repl);
if (m_option_data.m_debug_mode) { if (m_option_data.m_debug_mode) {