aboutsummaryrefslogtreecommitdiff
path: root/lldb/source/Commands/CommandObjectBreakpoint.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lldb/source/Commands/CommandObjectBreakpoint.cpp')
-rw-r--r--lldb/source/Commands/CommandObjectBreakpoint.cpp241
1 files changed, 110 insertions, 131 deletions
diff --git a/lldb/source/Commands/CommandObjectBreakpoint.cpp b/lldb/source/Commands/CommandObjectBreakpoint.cpp
index 5c96a7f..cc2051d3 100644
--- a/lldb/source/Commands/CommandObjectBreakpoint.cpp
+++ b/lldb/source/Commands/CommandObjectBreakpoint.cpp
@@ -56,6 +56,7 @@ CommandObjectBreakpointSet::CommandOptions::CommandOptions(CommandInterpreter &i
m_func_name (),
m_func_name_type_mask (0),
m_func_regexp (),
+ m_source_text_regexp(),
m_modules (),
m_load_addr(),
m_ignore_count (0),
@@ -91,7 +92,7 @@ CommandObjectBreakpointSet::CommandOptions::g_option_table[] =
{ LLDB_OPT_SET_ALL, false, "queue-name", 'q', required_argument, NULL, NULL, eArgTypeQueueName,
"The breakpoint stops only for threads in the queue whose name is given by this argument."},
- { LLDB_OPT_SET_1, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename,
+ { LLDB_OPT_SET_1 | LLDB_OPT_SET_9, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename,
"Set the breakpoint by source location in this particular file."},
{ LLDB_OPT_SET_1, true, "line", 'l', required_argument, NULL, 0, eArgTypeLineNum,
@@ -124,6 +125,10 @@ CommandObjectBreakpointSet::CommandOptions::g_option_table[] =
{ LLDB_OPT_SET_8, true, "basename", 'b', required_argument, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName,
"Set the breakpoint by function basename (C++ namespaces and arguments will be ignored)." },
+ { LLDB_OPT_SET_9, true, "source-pattern-regexp", 'p', required_argument, NULL, 0, eArgTypeRegularExpression,
+ "Set the breakpoint specifying a regular expression to match a pattern in the source text in a given source file." },
+
+
{ 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL }
};
@@ -187,6 +192,10 @@ CommandObjectBreakpointSet::CommandOptions::SetOptionValue (uint32_t option_idx,
m_func_name_type_mask |= eFunctionNameTypeMethod;
break;
+ case 'p':
+ m_source_text_regexp.assign (option_arg);
+ break;
+
case 'r':
m_func_regexp.assign (option_arg);
break;
@@ -275,6 +284,52 @@ CommandObjectBreakpointSet::GetOptions ()
}
bool
+CommandObjectBreakpointSet::ChooseFile (Target *target, FileSpec &file, CommandReturnObject &result)
+{
+ if (m_options.m_filename.empty())
+ {
+ uint32_t default_line;
+ // First use the Source Manager's default file.
+ // Then use the current stack frame's file.
+ if (!target->GetSourceManager().GetDefaultFileAndLine(file, default_line))
+ {
+ StackFrame *cur_frame = m_interpreter.GetExecutionContext().frame;
+ if (cur_frame == NULL)
+ {
+ result.AppendError ("Attempting to set breakpoint by line number alone with no selected frame.");
+ result.SetStatus (eReturnStatusFailed);
+ return false;
+ }
+ else if (!cur_frame->HasDebugInformation())
+ {
+ result.AppendError ("Attempting to set breakpoint by line number alone but selected frame has no debug info.");
+ result.SetStatus (eReturnStatusFailed);
+ return false;
+ }
+ else
+ {
+ const SymbolContext &sc = cur_frame->GetSymbolContext (eSymbolContextLineEntry);
+ if (sc.line_entry.file)
+ {
+ file = sc.line_entry.file;
+ }
+ else
+ {
+ result.AppendError ("Attempting to set breakpoint by line number alone but can't find the file for the selected frame.");
+ result.SetStatus (eReturnStatusFailed);
+ return false;
+ }
+ }
+ }
+ }
+ else
+ {
+ file.SetFile(m_options.m_filename.c_str(), false);
+ }
+ return true;
+}
+
+bool
CommandObjectBreakpointSet::Execute
(
Args& command,
@@ -294,6 +349,7 @@ CommandObjectBreakpointSet::Execute
// 2). -a [-s -g] (setting breakpoint by address)
// 3). -n [-s -g] (setting breakpoint by function name)
// 4). -r [-s -g] (setting breakpoint by function name regular expression)
+ // 5). -p -f (setting a breakpoint by comparing a reg-exp to source text)
BreakpointSetType break_type = eSetTypeInvalid;
@@ -305,94 +361,42 @@ CommandObjectBreakpointSet::Execute
break_type = eSetTypeFunctionName;
else if (!m_options.m_func_regexp.empty())
break_type = eSetTypeFunctionRegexp;
+ else if (!m_options.m_source_text_regexp.empty())
+ break_type = eSetTypeSourceRegexp;
Breakpoint *bp = NULL;
FileSpec module_spec;
bool use_module = false;
int num_modules = m_options.m_modules.size();
+ FileSpecList module_spec_list;
+ FileSpecList *module_spec_list_ptr = NULL;
+
if ((num_modules > 0) && (break_type != eSetTypeAddress))
use_module = true;
+
+ if (use_module)
+ {
+ module_spec_list_ptr = &module_spec_list;
+ for (int i = 0; i < num_modules; ++i)
+ {
+ module_spec.SetFile(m_options.m_modules[i].c_str(), false);
+ module_spec_list.AppendIfUnique (module_spec);
+ }
+ }
switch (break_type)
{
case eSetTypeFileAndLine: // Breakpoint by source position
{
FileSpec file;
- if (m_options.m_filename.empty())
- {
- uint32_t default_line;
- // First use the Source Manager's default file.
- // Then use the current stack frame's file.
- if (!target->GetSourceManager().GetDefaultFileAndLine(file, default_line))
- {
- StackFrame *cur_frame = m_interpreter.GetExecutionContext().frame;
- if (cur_frame == NULL)
- {
- result.AppendError ("Attempting to set breakpoint by line number alone with no selected frame.");
- result.SetStatus (eReturnStatusFailed);
- break;
- }
- else if (!cur_frame->HasDebugInformation())
- {
- result.AppendError ("Attempting to set breakpoint by line number alone but selected frame has no debug info.");
- result.SetStatus (eReturnStatusFailed);
- break;
- }
- else
- {
- const SymbolContext &sc = cur_frame->GetSymbolContext (eSymbolContextLineEntry);
- if (sc.line_entry.file)
- {
- file = sc.line_entry.file;
- }
- else
- {
- result.AppendError ("Attempting to set breakpoint by line number alone but can't find the file for the selected frame.");
- result.SetStatus (eReturnStatusFailed);
- break;
- }
- }
- }
- }
- else
- {
- file.SetFile(m_options.m_filename.c_str(), false);
- }
-
- if (use_module)
- {
- for (int i = 0; i < num_modules; ++i)
- {
- module_spec.SetFile(m_options.m_modules[i].c_str(), false);
- bp = target->CreateBreakpoint (&module_spec,
- file,
- m_options.m_line_num,
- m_options.m_check_inlines).get();
- if (bp)
- {
- Stream &output_stream = result.GetOutputStream();
- result.AppendMessage ("Breakpoint created: ");
- bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
- output_stream.EOL();
- if (bp->GetNumLocations() == 0)
- output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual"
- " locations.\n");
- result.SetStatus (eReturnStatusSuccessFinishResult);
- }
- else
- {
- result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n",
- m_options.m_modules[i].c_str());
- result.SetStatus (eReturnStatusFailed);
- }
- }
- }
- else
- bp = target->CreateBreakpoint (NULL,
- file,
- m_options.m_line_num,
- m_options.m_check_inlines).get();
+ if (!ChooseFile (target, file, result))
+ break;
+
+ bp = target->CreateBreakpoint (module_spec_list_ptr,
+ file,
+ m_options.m_line_num,
+ m_options.m_check_inlines).get();
}
break;
@@ -407,72 +411,47 @@ CommandObjectBreakpointSet::Execute
if (name_type_mask == 0)
name_type_mask = eFunctionNameTypeAuto;
- if (use_module)
- {
- for (int i = 0; i < num_modules; ++i)
- {
- module_spec.SetFile(m_options.m_modules[i].c_str(), false);
- bp = target->CreateBreakpoint (&module_spec,
- m_options.m_func_name.c_str(),
- name_type_mask,
- Breakpoint::Exact).get();
- if (bp)
- {
- Stream &output_stream = result.GetOutputStream();
- output_stream.Printf ("Breakpoint created: ");
- bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
- output_stream.EOL();
- if (bp->GetNumLocations() == 0)
- output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual"
- " locations.\n");
- result.SetStatus (eReturnStatusSuccessFinishResult);
- }
- else
- {
- result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n",
- m_options.m_modules[i].c_str());
- result.SetStatus (eReturnStatusFailed);
- }
- }
- }
- else
- bp = target->CreateBreakpoint (NULL, m_options.m_func_name.c_str(), name_type_mask, Breakpoint::Exact).get();
+ bp = target->CreateBreakpoint (module_spec_list_ptr,
+ m_options.m_func_name.c_str(),
+ name_type_mask,
+ Breakpoint::Exact).get();
}
break;
case eSetTypeFunctionRegexp: // Breakpoint by regular expression function name
{
RegularExpression regexp(m_options.m_func_regexp.c_str());
- if (use_module)
+ if (!regexp.IsValid())
{
- for (int i = 0; i < num_modules; ++i)
- {
- module_spec.SetFile(m_options.m_modules[i].c_str(), false);
- bp = target->CreateBreakpoint (&module_spec, regexp).get();
- if (bp)
- {
- Stream &output_stream = result.GetOutputStream();
- output_stream.Printf ("Breakpoint created: ");
- bp->GetDescription(&output_stream, lldb::eDescriptionLevelBrief);
- output_stream.EOL();
- if (bp->GetNumLocations() == 0)
- output_stream.Printf ("WARNING: Unable to resolve breakpoint to any actual"
- " locations.\n");
- result.SetStatus (eReturnStatusSuccessFinishResult);
- }
- else
- {
- result.AppendErrorWithFormat("Breakpoint creation failed: No breakpoint created in module '%s'.\n",
- m_options.m_modules[i].c_str());
- result.SetStatus (eReturnStatusFailed);
- }
- }
+ char err_str[1024];
+ regexp.GetErrorAsCString(err_str, sizeof(err_str));
+ result.AppendErrorWithFormat("Function name regular expression could not be compiled: \"%s\"",
+ err_str);
+ result.SetStatus (eReturnStatusFailed);
+ return false;
}
- else
- bp = target->CreateBreakpoint (NULL, regexp).get();
+ bp = target->CreateBreakpoint (module_spec_list_ptr, regexp).get();
}
break;
+ case eSetTypeSourceRegexp: // Breakpoint by regexp on source text.
+ {
+ FileSpec file;
+ if (!ChooseFile (target, file, result))
+ break;
+ RegularExpression regexp(m_options.m_source_text_regexp.c_str());
+ if (!regexp.IsValid())
+ {
+ char err_str[1024];
+ regexp.GetErrorAsCString(err_str, sizeof(err_str));
+ result.AppendErrorWithFormat("Source text regular expression could not be compiled: \"%s\"",
+ err_str);
+ result.SetStatus (eReturnStatusFailed);
+ return false;
+ }
+ bp = target->CreateBreakpoint (module_spec_list_ptr, file, regexp).get();
+ }
+ break;
default:
break;
}
@@ -496,7 +475,7 @@ CommandObjectBreakpointSet::Execute
bp->GetOptions()->SetIgnoreCount(m_options.m_ignore_count);
}
- if (bp && !use_module)
+ if (bp)
{
Stream &output_stream = result.GetOutputStream();
output_stream.Printf ("Breakpoint created: ");
generated by cgit v1.1 at 2025-10-03 08:09:50 +0000