[lldb][NFC] NFC refactoring ClangExpressionDeclMap::LookupLocalVariable

Adding an early exits and moving variable declarations closer to their
actual use.
This commit is contained in:
Raphael Isemann 2019-11-23 17:01:25 +01:00
parent fef69706dc
commit 7a0c548444
1 changed files with 32 additions and 35 deletions

View File

@ -1172,48 +1172,45 @@ void ClangExpressionDeclMap::LookupInModulesDeclVendor(
bool ClangExpressionDeclMap::LookupLocalVariable(
NameSearchContext &context, ConstString name, unsigned current_id,
SymbolContext &sym_ctx, CompilerDeclContext &namespace_decl) {
ValueObjectSP valobj;
VariableSP var;
if (sym_ctx.block == nullptr)
return false;
CompilerDeclContext decl_context = sym_ctx.block->GetDeclContext();
if (!decl_context)
return false;
// Make sure that the variables are parsed so that we have the
// declarations.
StackFrame *frame = m_parser_vars->m_exe_ctx.GetFramePtr();
CompilerDeclContext compiler_decl_context =
sym_ctx.block != nullptr ? sym_ctx.block->GetDeclContext()
: CompilerDeclContext();
VariableListSP vars = frame->GetInScopeVariableList(true);
for (size_t i = 0; i < vars->GetSize(); i++)
vars->GetVariableAtIndex(i)->GetDecl();
if (compiler_decl_context) {
// Make sure that the variables are parsed so that we have the
// declarations.
VariableListSP vars = frame->GetInScopeVariableList(true);
for (size_t i = 0; i < vars->GetSize(); i++)
vars->GetVariableAtIndex(i)->GetDecl();
// Search for declarations matching the name. Do not include imported
// decls in the search if we are looking for decls in the artificial
// namespace $__lldb_local_vars.
std::vector<CompilerDecl> found_decls =
decl_context.FindDeclByName(name, namespace_decl.IsValid());
// Search for declarations matching the name. Do not include imported
// decls in the search if we are looking for decls in the artificial
// namespace $__lldb_local_vars.
std::vector<CompilerDecl> found_decls =
compiler_decl_context.FindDeclByName(name, namespace_decl.IsValid());
bool variable_found = false;
for (CompilerDecl decl : found_decls) {
for (size_t vi = 0, ve = vars->GetSize(); vi != ve; ++vi) {
VariableSP candidate_var = vars->GetVariableAtIndex(vi);
if (candidate_var->GetDecl() == decl) {
var = candidate_var;
break;
}
}
if (var && !variable_found) {
variable_found = true;
valobj = ValueObjectVariable::Create(frame, var);
AddOneVariable(context, var, valobj, current_id);
context.m_found.variable = true;
VariableSP var;
bool variable_found = false;
for (CompilerDecl decl : found_decls) {
for (size_t vi = 0, ve = vars->GetSize(); vi != ve; ++vi) {
VariableSP candidate_var = vars->GetVariableAtIndex(vi);
if (candidate_var->GetDecl() == decl) {
var = candidate_var;
break;
}
}
if (variable_found)
return true;
if (var && !variable_found) {
variable_found = true;
ValueObjectSP valobj = ValueObjectVariable::Create(frame, var);
AddOneVariable(context, var, valobj, current_id);
context.m_found.variable = true;
}
}
return false;
return variable_found;
}
void ClangExpressionDeclMap::LookupFunction(NameSearchContext &context,