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Diffstat (limited to 'contrib/llvm/tools/lldb/source/Commands/CommandObjectBreakpoint.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Commands/CommandObjectBreakpoint.cpp | 1843 | 
1 files changed, 1843 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Commands/CommandObjectBreakpoint.cpp b/contrib/llvm/tools/lldb/source/Commands/CommandObjectBreakpoint.cpp new file mode 100644 index 000000000000..cb70c99a1955 --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Commands/CommandObjectBreakpoint.cpp @@ -0,0 +1,1843 @@ +//===-- CommandObjectBreakpoint.cpp -----------------------------*- C++ -*-===// +// +//                     The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "lldb/lldb-python.h" + +#include "CommandObjectBreakpoint.h" +#include "CommandObjectBreakpointCommand.h" + +// C Includes +// C++ Includes +// Other libraries and framework includes +// Project includes +#include "lldb/Breakpoint/Breakpoint.h" +#include "lldb/Breakpoint/BreakpointIDList.h" +#include "lldb/Breakpoint/BreakpointLocation.h" +#include "lldb/Interpreter/Options.h" +#include "lldb/Core/RegularExpression.h" +#include "lldb/Core/StreamString.h" +#include "lldb/Interpreter/CommandInterpreter.h" +#include "lldb/Interpreter/CommandReturnObject.h" +#include "lldb/Target/Target.h" +#include "lldb/Interpreter/CommandCompletions.h" +#include "lldb/Target/StackFrame.h" +#include "lldb/Target/Thread.h" +#include "lldb/Target/ThreadSpec.h" + +#include <vector> + +using namespace lldb; +using namespace lldb_private; + +static void +AddBreakpointDescription (Stream *s, Breakpoint *bp, lldb::DescriptionLevel level) +{ +    s->IndentMore(); +    bp->GetDescription (s, level, true); +    s->IndentLess(); +    s->EOL(); +} + +//------------------------------------------------------------------------- +// CommandObjectBreakpointSet +//------------------------------------------------------------------------- + + +class CommandObjectBreakpointSet : public CommandObjectParsed +{ +public: + +    typedef enum BreakpointSetType +    { +        eSetTypeInvalid, +        eSetTypeFileAndLine, +        eSetTypeAddress, +        eSetTypeFunctionName, +        eSetTypeFunctionRegexp, +        eSetTypeSourceRegexp, +        eSetTypeException +    } BreakpointSetType; + +    CommandObjectBreakpointSet (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter, +                             "breakpoint set",  +                             "Sets a breakpoint or set of breakpoints in the executable.",  +                             "breakpoint set <cmd-options>"), +        m_options (interpreter) +    { +    } + + +    virtual +    ~CommandObjectBreakpointSet () {} + +    virtual Options * +    GetOptions () +    { +        return &m_options; +    } + +    class CommandOptions : public Options +    { +    public: + +        CommandOptions (CommandInterpreter &interpreter) : +            Options (interpreter), +            m_condition (), +            m_filenames (), +            m_line_num (0), +            m_column (0), +            m_func_names (), +            m_func_name_type_mask (eFunctionNameTypeNone), +            m_func_regexp (), +            m_source_text_regexp(), +            m_modules (), +            m_load_addr(), +            m_ignore_count (0), +            m_thread_id(LLDB_INVALID_THREAD_ID), +            m_thread_index (UINT32_MAX), +            m_thread_name(), +            m_queue_name(), +            m_catch_bp (false), +            m_throw_bp (true), +            m_language (eLanguageTypeUnknown), +            m_skip_prologue (eLazyBoolCalculate), +            m_one_shot (false) +        { +        } + + +        virtual +        ~CommandOptions () {} + +        virtual Error +        SetOptionValue (uint32_t option_idx, const char *option_arg) +        { +            Error error; +            const int short_option = m_getopt_table[option_idx].val; + +            switch (short_option) +            { +                case 'a': +                    { +                        ExecutionContext exe_ctx (m_interpreter.GetExecutionContext()); +                        m_load_addr = Args::StringToAddress(&exe_ctx, option_arg, LLDB_INVALID_ADDRESS, &error); +                    } +                    break; + +                case 'b': +                    m_func_names.push_back (option_arg); +                    m_func_name_type_mask |= eFunctionNameTypeBase; +                    break; + +                case 'C': +                    m_column = Args::StringToUInt32 (option_arg, 0); +                    break; + +                case 'c': +                    m_condition.assign(option_arg); +                    break; + +                case 'E': +                { +                    LanguageType language = LanguageRuntime::GetLanguageTypeFromString (option_arg); + +                    switch (language) +                    { +                        case eLanguageTypeC89: +                        case eLanguageTypeC: +                        case eLanguageTypeC99: +                            m_language = eLanguageTypeC; +                            break; +                        case eLanguageTypeC_plus_plus: +                            m_language = eLanguageTypeC_plus_plus; +                            break; +                        case eLanguageTypeObjC: +                            m_language = eLanguageTypeObjC; +                            break; +                        case eLanguageTypeObjC_plus_plus: +                            error.SetErrorStringWithFormat ("Set exception breakpoints separately for c++ and objective-c"); +                            break; +                        case eLanguageTypeUnknown: +                            error.SetErrorStringWithFormat ("Unknown language type: '%s' for exception breakpoint", option_arg); +                            break; +                        default: +                            error.SetErrorStringWithFormat ("Unsupported language type: '%s' for exception breakpoint", option_arg); +                    } +                } +                break; + +                case 'f': +                    m_filenames.AppendIfUnique (FileSpec(option_arg, false)); +                    break; + +                case 'F': +                    m_func_names.push_back (option_arg); +                    m_func_name_type_mask |= eFunctionNameTypeFull; +                    break; + +                case 'h': +                { +                    bool success; +                    m_catch_bp = Args::StringToBoolean (option_arg, true, &success); +                    if (!success) +                        error.SetErrorStringWithFormat ("Invalid boolean value for on-catch option: '%s'", option_arg); +                } +                break; +                case 'i': +                { +                    m_ignore_count = Args::StringToUInt32(option_arg, UINT32_MAX, 0); +                    if (m_ignore_count == UINT32_MAX) +                       error.SetErrorStringWithFormat ("invalid ignore count '%s'", option_arg); +                    break; +                } + +                case 'K': +                { +                    bool success; +                    bool value; +                    value = Args::StringToBoolean (option_arg, true, &success); +                    if (value) +                        m_skip_prologue = eLazyBoolYes; +                    else +                        m_skip_prologue = eLazyBoolNo; +                         +                    if (!success) +                        error.SetErrorStringWithFormat ("Invalid boolean value for skip prologue option: '%s'", option_arg); +                } +                break; + +                case 'l': +                    m_line_num = Args::StringToUInt32 (option_arg, 0); +                    break; + +                case 'M': +                    m_func_names.push_back (option_arg); +                    m_func_name_type_mask |= eFunctionNameTypeMethod; +                    break; + +                case 'n': +                    m_func_names.push_back (option_arg); +                    m_func_name_type_mask |= eFunctionNameTypeAuto; +                    break; + +                case 'o': +                    m_one_shot = true; +                    break; + +                case 'p': +                    m_source_text_regexp.assign (option_arg); +                    break; +                     +                case 'q': +                    m_queue_name.assign (option_arg); +                    break; + +                case 'r': +                    m_func_regexp.assign (option_arg); +                    break; + +                case 's': +                { +                    m_modules.AppendIfUnique (FileSpec (option_arg, false)); +                    break; +                } +                     +                case 'S': +                    m_func_names.push_back (option_arg); +                    m_func_name_type_mask |= eFunctionNameTypeSelector; +                    break; + +                case 't' : +                { +                    m_thread_id = Args::StringToUInt64(option_arg, LLDB_INVALID_THREAD_ID, 0); +                    if (m_thread_id == LLDB_INVALID_THREAD_ID) +                       error.SetErrorStringWithFormat ("invalid thread id string '%s'", option_arg); +                } +                break; + +                case 'T': +                    m_thread_name.assign (option_arg); +                    break; + +                case 'w': +                { +                    bool success; +                    m_throw_bp = Args::StringToBoolean (option_arg, true, &success); +                    if (!success) +                        error.SetErrorStringWithFormat ("Invalid boolean value for on-throw option: '%s'", option_arg); +                } +                break; + +                case 'x': +                { +                    m_thread_index = Args::StringToUInt32(option_arg, UINT32_MAX, 0); +                    if (m_thread_id == UINT32_MAX) +                       error.SetErrorStringWithFormat ("invalid thread index string '%s'", option_arg); +                     +                } +                break; + +                default: +                    error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); +                    break; +            } + +            return error; +        } +        void +        OptionParsingStarting () +        { +            m_condition.clear(); +            m_filenames.Clear(); +            m_line_num = 0; +            m_column = 0; +            m_func_names.clear(); +            m_func_name_type_mask = eFunctionNameTypeNone; +            m_func_regexp.clear(); +            m_source_text_regexp.clear(); +            m_modules.Clear(); +            m_load_addr = LLDB_INVALID_ADDRESS; +            m_ignore_count = 0; +            m_thread_id = LLDB_INVALID_THREAD_ID; +            m_thread_index = UINT32_MAX; +            m_thread_name.clear(); +            m_queue_name.clear(); +            m_catch_bp = false; +            m_throw_bp = true; +            m_language = eLanguageTypeUnknown; +            m_skip_prologue = eLazyBoolCalculate; +            m_one_shot = false; +        } +     +        const OptionDefinition* +        GetDefinitions () +        { +            return g_option_table; +        } + +        // Options table: Required for subclasses of Options. + +        static OptionDefinition g_option_table[]; + +        // Instance variables to hold the values for command options. + +        std::string m_condition; +        FileSpecList m_filenames; +        uint32_t m_line_num; +        uint32_t m_column; +        std::vector<std::string> m_func_names; +        uint32_t m_func_name_type_mask; +        std::string m_func_regexp; +        std::string m_source_text_regexp; +        FileSpecList m_modules; +        lldb::addr_t m_load_addr; +        uint32_t m_ignore_count; +        lldb::tid_t m_thread_id; +        uint32_t m_thread_index; +        std::string m_thread_name; +        std::string m_queue_name; +        bool m_catch_bp; +        bool m_throw_bp; +        lldb::LanguageType m_language; +        LazyBool m_skip_prologue; +        bool m_one_shot; + +    }; + +protected: +    virtual bool +    DoExecute (Args& command, +             CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target.  Must set target before setting breakpoints (see 'target create' command)."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        // The following are the various types of breakpoints that could be set: +        //   1).  -f -l -p  [-s -g]   (setting breakpoint by source location) +        //   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) +        //   6).  -E [-w -h]          (setting a breakpoint for exceptions for a given language.) + +        BreakpointSetType break_type = eSetTypeInvalid; + +        if (m_options.m_line_num != 0) +            break_type = eSetTypeFileAndLine; +        else if (m_options.m_load_addr != LLDB_INVALID_ADDRESS) +            break_type = eSetTypeAddress; +        else if (!m_options.m_func_names.empty()) +            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; +        else if (m_options.m_language != eLanguageTypeUnknown) +            break_type = eSetTypeException; + +        Breakpoint *bp = NULL; +        FileSpec module_spec; +        const bool internal = false; + +        switch (break_type) +        { +            case eSetTypeFileAndLine: // Breakpoint by source position +                { +                    FileSpec file; +                    const size_t num_files = m_options.m_filenames.GetSize(); +                    if (num_files == 0) +                    { +                        if (!GetDefaultFile (target, file, result)) +                        { +                            result.AppendError("No file supplied and no default file available."); +                            result.SetStatus (eReturnStatusFailed); +                            return false; +                        } +                    } +                    else if (num_files > 1) +                    { +                        result.AppendError("Only one file at a time is allowed for file and line breakpoints."); +                        result.SetStatus (eReturnStatusFailed); +                        return false; +                    } +                    else +                        file = m_options.m_filenames.GetFileSpecAtIndex(0); +                     +                    // Only check for inline functions if  +                    LazyBool check_inlines = eLazyBoolCalculate; +                     +                    bp = target->CreateBreakpoint (&(m_options.m_modules), +                                                   file, +                                                   m_options.m_line_num, +                                                   check_inlines, +                                                   m_options.m_skip_prologue, +                                                   internal).get(); +                } +                break; + +            case eSetTypeAddress: // Breakpoint by address +                bp = target->CreateBreakpoint (m_options.m_load_addr, false).get(); +                break; + +            case eSetTypeFunctionName: // Breakpoint by function name +                { +                    uint32_t name_type_mask = m_options.m_func_name_type_mask; +                     +                    if (name_type_mask == 0) +                        name_type_mask = eFunctionNameTypeAuto; +                     +                    bp = target->CreateBreakpoint (&(m_options.m_modules), +                                                   &(m_options.m_filenames), +                                                   m_options.m_func_names, +                                                   name_type_mask, +                                                   m_options.m_skip_prologue, +                                                   internal).get(); +                } +                break; + +            case eSetTypeFunctionRegexp: // Breakpoint by regular expression function name +                { +                    RegularExpression regexp(m_options.m_func_regexp.c_str()); +                    if (!regexp.IsValid()) +                    { +                        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; +                    } +                     +                    bp = target->CreateFuncRegexBreakpoint (&(m_options.m_modules), +                                                            &(m_options.m_filenames), +                                                            regexp, +                                                            m_options.m_skip_prologue, +                                                            internal).get(); +                } +                break; +            case eSetTypeSourceRegexp: // Breakpoint by regexp on source text. +                { +                    const size_t num_files = m_options.m_filenames.GetSize(); +                     +                    if (num_files == 0) +                    { +                        FileSpec file; +                        if (!GetDefaultFile (target, file, result)) +                        { +                            result.AppendError ("No files provided and could not find default file."); +                            result.SetStatus (eReturnStatusFailed); +                            return false; +                        } +                        else +                        { +                            m_options.m_filenames.Append (file); +                        } +                    } +                     +                    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->CreateSourceRegexBreakpoint (&(m_options.m_modules), &(m_options.m_filenames), regexp).get(); +                } +                break; +            case eSetTypeException: +                { +                    bp = target->CreateExceptionBreakpoint (m_options.m_language, m_options.m_catch_bp, m_options.m_throw_bp).get(); +                } +                break; +            default: +                break; +        } + +        // Now set the various options that were passed in: +        if (bp) +        { +            if (m_options.m_thread_id != LLDB_INVALID_THREAD_ID) +                bp->SetThreadID (m_options.m_thread_id); +                 +            if (m_options.m_thread_index != UINT32_MAX) +                bp->GetOptions()->GetThreadSpec()->SetIndex(m_options.m_thread_index); +             +            if (!m_options.m_thread_name.empty()) +                bp->GetOptions()->GetThreadSpec()->SetName(m_options.m_thread_name.c_str()); +             +            if (!m_options.m_queue_name.empty()) +                bp->GetOptions()->GetThreadSpec()->SetQueueName(m_options.m_queue_name.c_str()); +                 +            if (m_options.m_ignore_count != 0) +                bp->GetOptions()->SetIgnoreCount(m_options.m_ignore_count); + +            if (!m_options.m_condition.empty()) +                bp->GetOptions()->SetCondition(m_options.m_condition.c_str()); +             +            bp->SetOneShot (m_options.m_one_shot); +        } +         +        if (bp) +        { +            Stream &output_stream = result.GetOutputStream(); +            const bool show_locations = false; +            bp->GetDescription(&output_stream, lldb::eDescriptionLevelInitial, show_locations); +            // Don't print out this warning for exception breakpoints.  They can get set before the target +            // is set, but we won't know how to actually set the breakpoint till we run. +            if (bp->GetNumLocations() == 0 && break_type != eSetTypeException) +                output_stream.Printf ("WARNING:  Unable to resolve breakpoint to any actual locations.\n"); +            result.SetStatus (eReturnStatusSuccessFinishResult); +        } +        else if (!bp) +        { +            result.AppendError ("Breakpoint creation failed: No breakpoint created."); +            result.SetStatus (eReturnStatusFailed); +        } + +        return result.Succeeded(); +    } + +private: +    bool +    GetDefaultFile (Target *target, FileSpec &file, CommandReturnObject &result) +    { +        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_exe_ctx.GetFramePtr(); +            if (cur_frame == NULL) +            { +                result.AppendError ("No selected frame to use to find the default file."); +                result.SetStatus (eReturnStatusFailed); +                return false; +            } +            else if (!cur_frame->HasDebugInformation()) +            { +                result.AppendError ("Cannot use the selected frame to find the default file, it 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 ("Can't find the file for the selected frame to use as the default file."); +                    result.SetStatus (eReturnStatusFailed); +                    return false; +                } +            } +        } +        return true; +    } +     +    CommandOptions m_options; +}; +// If an additional option set beyond LLDB_OPTION_SET_10 is added, make sure to +// update the numbers passed to LLDB_OPT_SET_FROM_TO(...) appropriately. +#define LLDB_OPT_FILE ( LLDB_OPT_SET_FROM_TO(1, 9) & ~LLDB_OPT_SET_2 ) +#define LLDB_OPT_NOT_10 ( LLDB_OPT_SET_FROM_TO(1, 10) & ~LLDB_OPT_SET_10 ) +#define LLDB_OPT_SKIP_PROLOGUE ( LLDB_OPT_SET_1 | LLDB_OPT_SET_FROM_TO(3,8) ) + +OptionDefinition +CommandObjectBreakpointSet::CommandOptions::g_option_table[] = +{ +    { LLDB_OPT_NOT_10, false, "shlib", 's', required_argument, NULL, CommandCompletions::eModuleCompletion, eArgTypeShlibName, +        "Set the breakpoint only in this shared library.  " +        "Can repeat this option multiple times to specify multiple shared libraries."}, + +    { LLDB_OPT_SET_ALL, false, "ignore-count", 'i', required_argument,   NULL, 0, eArgTypeCount, +        "Set the number of times this breakpoint is skipped before stopping." }, + +    { LLDB_OPT_SET_ALL, false, "one-shot", 'o', no_argument,   NULL, 0, eArgTypeNone, +        "The breakpoint is deleted the first time it causes a stop." }, + +    { LLDB_OPT_SET_ALL, false, "condition",    'c', required_argument, NULL, 0, eArgTypeExpression, +        "The breakpoint stops only if this condition expression evaluates to true."}, + +    { LLDB_OPT_SET_ALL, false, "thread-index", 'x', required_argument, NULL, 0, eArgTypeThreadIndex, +        "The breakpoint stops only for the thread whose indeX matches this argument."}, + +    { LLDB_OPT_SET_ALL, false, "thread-id", 't', required_argument, NULL, 0, eArgTypeThreadID, +        "The breakpoint stops only for the thread whose TID matches this argument."}, + +    { LLDB_OPT_SET_ALL, false, "thread-name", 'T', required_argument, NULL, 0, eArgTypeThreadName, +        "The breakpoint stops only for the thread whose thread name matches this argument."}, + +    { LLDB_OPT_SET_ALL, false, "queue-name", 'q', required_argument, NULL, 0, eArgTypeQueueName, +        "The breakpoint stops only for threads in the queue whose name is given by this argument."}, + +    { LLDB_OPT_FILE, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename, +        "Specifies the source file in which to set this breakpoint.  " +        "Note, by default lldb only looks for files that are #included if they use the standard include file extensions.  " +        "To set breakpoints on .c/.cpp/.m/.mm files that are #included, set target.inline-breakpoint-strategy" +        " to \"always\"."}, + +    { LLDB_OPT_SET_1, true, "line", 'l', required_argument, NULL, 0, eArgTypeLineNum, +        "Specifies the line number on which to set this breakpoint."}, + +    // Comment out this option for the moment, as we don't actually use it, but will in the future. +    // This way users won't see it, but the infrastructure is left in place. +    //    { 0, false, "column",     'C', required_argument, NULL, "<column>", +    //    "Set the breakpoint by source location at this particular column."}, + +    { LLDB_OPT_SET_2, true, "address", 'a', required_argument, NULL, 0, eArgTypeAddressOrExpression, +        "Set the breakpoint by address, at the specified address."}, + +    { LLDB_OPT_SET_3, true, "name", 'n', required_argument, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFunctionName, +        "Set the breakpoint by function name.  Can be repeated multiple times to make one breakpoint for multiple names" }, + +    { LLDB_OPT_SET_4, true, "fullname", 'F', required_argument, NULL, CommandCompletions::eSymbolCompletion, eArgTypeFullName, +        "Set the breakpoint by fully qualified function names. For C++ this means namespaces and all arguments, and " +        "for Objective C this means a full function prototype with class and selector.   " +        "Can be repeated multiple times to make one breakpoint for multiple names." }, + +    { LLDB_OPT_SET_5, true, "selector", 'S', required_argument, NULL, 0, eArgTypeSelector, +        "Set the breakpoint by ObjC selector name. Can be repeated multiple times to make one breakpoint for multiple Selectors." }, + +    { LLDB_OPT_SET_6, true, "method", 'M', required_argument, NULL, 0, eArgTypeMethod, +        "Set the breakpoint by C++ method names.  Can be repeated multiple times to make one breakpoint for multiple methods." }, + +    { LLDB_OPT_SET_7, true, "func-regex", 'r', required_argument, NULL, 0, eArgTypeRegularExpression, +        "Set the breakpoint by function name, evaluating a regular-expression to find the function name(s)." }, + +    { 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). " +        "Can be repeated multiple times to make one breakpoint for multiple symbols." }, + +    { LLDB_OPT_SET_9, true, "source-pattern-regexp", 'p', required_argument, NULL, 0, eArgTypeRegularExpression, +        "Set the breakpoint by specifying a regular expression which is matched against the source text in a source file or files " +        "specified with the -f option.  The -f option can be specified more than once.  " +        "If no source files are specified, uses the current \"default source file\"" }, + +    { LLDB_OPT_SET_10, true, "language-exception", 'E', required_argument, NULL, 0, eArgTypeLanguage, +        "Set the breakpoint on exceptions thrown by the specified language (without options, on throw but not catch.)" }, + +    { LLDB_OPT_SET_10, false, "on-throw", 'w', required_argument, NULL, 0, eArgTypeBoolean, +        "Set the breakpoint on exception throW." }, + +    { LLDB_OPT_SET_10, false, "on-catch", 'h', required_argument, NULL, 0, eArgTypeBoolean, +        "Set the breakpoint on exception catcH." }, + +    { LLDB_OPT_SKIP_PROLOGUE, false, "skip-prologue", 'K', required_argument, NULL, 0, eArgTypeBoolean, +        "sKip the prologue if the breakpoint is at the beginning of a function.  If not set the target.skip-prologue setting is used." }, + +    { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } +}; + +//------------------------------------------------------------------------- +// CommandObjectBreakpointModify +//------------------------------------------------------------------------- +#pragma mark Modify + +class CommandObjectBreakpointModify : public CommandObjectParsed +{ +public: + +    CommandObjectBreakpointModify (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter, +                             "breakpoint modify",  +                             "Modify the options on a breakpoint or set of breakpoints in the executable.  " +                             "If no breakpoint is specified, acts on the last created breakpoint.  " +                             "With the exception of -e, -d and -i, passing an empty argument clears the modification.",  +                             NULL), +        m_options (interpreter) +    { +        CommandArgumentEntry arg; +        CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange); +        // Add the entry for the first argument for this command to the object's arguments vector. +        m_arguments.push_back (arg);    +    } + + +    virtual +    ~CommandObjectBreakpointModify () {} + +    virtual Options * +    GetOptions () +    { +        return &m_options; +    } + +    class CommandOptions : public Options +    { +    public: + +        CommandOptions (CommandInterpreter &interpreter) : +            Options (interpreter), +            m_ignore_count (0), +            m_thread_id(LLDB_INVALID_THREAD_ID), +            m_thread_id_passed(false), +            m_thread_index (UINT32_MAX), +            m_thread_index_passed(false), +            m_thread_name(), +            m_queue_name(), +            m_condition (), +            m_one_shot (false), +            m_enable_passed (false), +            m_enable_value (false), +            m_name_passed (false), +            m_queue_passed (false), +            m_condition_passed (false), +            m_one_shot_passed (false) +        { +        } + +        virtual +        ~CommandOptions () {} + +        virtual Error +        SetOptionValue (uint32_t option_idx, const char *option_arg) +        { +            Error error; +            const int short_option = m_getopt_table[option_idx].val; + +            switch (short_option) +            { +                case 'c': +                    if (option_arg != NULL) +                        m_condition.assign (option_arg); +                    else +                        m_condition.clear(); +                    m_condition_passed = true; +                    break; +                case 'd': +                    m_enable_passed = true; +                    m_enable_value = false; +                    break; +                case 'e': +                    m_enable_passed = true; +                    m_enable_value = true; +                    break; +                case 'i': +                { +                    m_ignore_count = Args::StringToUInt32(option_arg, UINT32_MAX, 0); +                    if (m_ignore_count == UINT32_MAX) +                       error.SetErrorStringWithFormat ("invalid ignore count '%s'", option_arg); +                } +                break; +                case 'o': +                { +                    bool value, success; +                    value = Args::StringToBoolean(option_arg, false, &success); +                    if (success) +                    { +                        m_one_shot_passed = true; +                        m_one_shot = value; +                    } +                    else +                        error.SetErrorStringWithFormat("invalid boolean value '%s' passed for -o option", option_arg); +                } +                break; +                case 't' : +                { +                    if (option_arg[0] == '\0') +                    { +                        m_thread_id = LLDB_INVALID_THREAD_ID; +                        m_thread_id_passed = true; +                    } +                    else +                    { +                        m_thread_id = Args::StringToUInt64(option_arg, LLDB_INVALID_THREAD_ID, 0); +                        if (m_thread_id == LLDB_INVALID_THREAD_ID) +                           error.SetErrorStringWithFormat ("invalid thread id string '%s'", option_arg); +                        else +                            m_thread_id_passed = true; +                    } +                } +                break; +                case 'T': +                    if (option_arg != NULL) +                        m_thread_name.assign (option_arg); +                    else +                        m_thread_name.clear(); +                    m_name_passed = true; +                    break; +                case 'q': +                    if (option_arg != NULL) +                        m_queue_name.assign (option_arg); +                    else +                        m_queue_name.clear(); +                    m_queue_passed = true; +                    break; +                case 'x': +                { +                    if (option_arg[0] == '\n') +                    { +                        m_thread_index = UINT32_MAX; +                        m_thread_index_passed = true; +                    } +                    else +                    { +                        m_thread_index = Args::StringToUInt32 (option_arg, UINT32_MAX, 0); +                        if (m_thread_id == UINT32_MAX) +                           error.SetErrorStringWithFormat ("invalid thread index string '%s'", option_arg); +                        else +                            m_thread_index_passed = true; +                    } +                } +                break; +                default: +                    error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); +                    break; +            } + +            return error; +        } +        void +        OptionParsingStarting () +        { +            m_ignore_count = 0; +            m_thread_id = LLDB_INVALID_THREAD_ID; +            m_thread_id_passed = false; +            m_thread_index = UINT32_MAX; +            m_thread_index_passed = false; +            m_thread_name.clear(); +            m_queue_name.clear(); +            m_condition.clear(); +            m_one_shot = false; +            m_enable_passed = false; +            m_queue_passed = false; +            m_name_passed = false; +            m_condition_passed = false; +            m_one_shot_passed = false; +        } +         +        const OptionDefinition* +        GetDefinitions () +        { +            return g_option_table; +        } +         + +        // Options table: Required for subclasses of Options. + +        static OptionDefinition g_option_table[]; + +        // Instance variables to hold the values for command options. + +        uint32_t m_ignore_count; +        lldb::tid_t m_thread_id; +        bool m_thread_id_passed; +        uint32_t m_thread_index; +        bool m_thread_index_passed; +        std::string m_thread_name; +        std::string m_queue_name; +        std::string m_condition; +        bool m_one_shot; +        bool m_enable_passed; +        bool m_enable_value; +        bool m_name_passed; +        bool m_queue_passed; +        bool m_condition_passed; +        bool m_one_shot_passed; + +    }; + +protected: +    virtual bool +    DoExecute (Args& command, CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target.  No existing target or breakpoints."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        Mutex::Locker locker; +        target->GetBreakpointList().GetListMutex(locker); +         +        BreakpointIDList valid_bp_ids; + +        CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids); + +        if (result.Succeeded()) +        { +            const size_t count = valid_bp_ids.GetSize();  +            for (size_t i = 0; i < count; ++i) +            { +                BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); + +                if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) +                { +                    Breakpoint *bp = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); +                    if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) +                    { +                        BreakpointLocation *location = bp->FindLocationByID (cur_bp_id.GetLocationID()).get(); +                        if (location) +                        { +                            if (m_options.m_thread_id_passed) +                                location->SetThreadID (m_options.m_thread_id); +                                 +                            if (m_options.m_thread_index_passed) +                                location->SetThreadIndex(m_options.m_thread_index); +                             +                            if (m_options.m_name_passed) +                                location->SetThreadName(m_options.m_thread_name.c_str()); +                             +                            if (m_options.m_queue_passed) +                                location->SetQueueName(m_options.m_queue_name.c_str()); +                                 +                            if (m_options.m_ignore_count != 0) +                                location->SetIgnoreCount(m_options.m_ignore_count); +                                 +                            if (m_options.m_enable_passed) +                                location->SetEnabled (m_options.m_enable_value); +                                 +                            if (m_options.m_condition_passed) +                                location->SetCondition (m_options.m_condition.c_str()); +                        } +                    } +                    else +                    { +                        if (m_options.m_thread_id_passed) +                            bp->SetThreadID (m_options.m_thread_id); +                             +                        if (m_options.m_thread_index_passed) +                            bp->SetThreadIndex(m_options.m_thread_index); +                         +                        if (m_options.m_name_passed) +                            bp->SetThreadName(m_options.m_thread_name.c_str()); +                         +                        if (m_options.m_queue_passed) +                            bp->SetQueueName(m_options.m_queue_name.c_str()); +                             +                        if (m_options.m_ignore_count != 0) +                            bp->SetIgnoreCount(m_options.m_ignore_count); +                             +                        if (m_options.m_enable_passed) +                            bp->SetEnabled (m_options.m_enable_value); +                             +                        if (m_options.m_condition_passed) +                            bp->SetCondition (m_options.m_condition.c_str()); +                    } +                } +            } +        } +         +        return result.Succeeded(); +    } + +private: +    CommandOptions m_options; +}; + +#pragma mark Modify::CommandOptions +OptionDefinition +CommandObjectBreakpointModify::CommandOptions::g_option_table[] = +{ +{ LLDB_OPT_SET_ALL, false, "ignore-count", 'i', required_argument, NULL, 0, eArgTypeCount, "Set the number of times this breakpoint is skipped before stopping." }, +{ LLDB_OPT_SET_ALL, false, "one-shot",     'o', required_argument, NULL, 0, eArgTypeBoolean, "The breakpoint is deleted the first time it stop causes a stop." }, +{ LLDB_OPT_SET_ALL, false, "thread-index", 'x', required_argument, NULL, 0, eArgTypeThreadIndex, "The breakpoint stops only for the thread whose index matches this argument."}, +{ LLDB_OPT_SET_ALL, false, "thread-id",    't', required_argument, NULL, 0, eArgTypeThreadID, "The breakpoint stops only for the thread whose TID matches this argument."}, +{ LLDB_OPT_SET_ALL, false, "thread-name",  'T', required_argument, NULL, 0, eArgTypeThreadName, "The breakpoint stops only for the thread whose thread name matches this argument."}, +{ LLDB_OPT_SET_ALL, false, "queue-name",   'q', required_argument, NULL, 0, eArgTypeQueueName, "The breakpoint stops only for threads in the queue whose name is given by this argument."}, +{ LLDB_OPT_SET_ALL, false, "condition",    'c', required_argument, NULL, 0, eArgTypeExpression, "The breakpoint stops only if this condition expression evaluates to true."}, +{ LLDB_OPT_SET_1,   false, "enable",       'e', no_argument,       NULL, 0, eArgTypeNone, "Enable the breakpoint."}, +{ LLDB_OPT_SET_2,   false, "disable",      'd', no_argument,       NULL, 0, eArgTypeNone, "Disable the breakpoint."}, +{ 0,                false, NULL,            0 , 0,                 NULL, 0, eArgTypeNone, NULL } +}; + +//------------------------------------------------------------------------- +// CommandObjectBreakpointEnable +//------------------------------------------------------------------------- +#pragma mark Enable + +class CommandObjectBreakpointEnable : public CommandObjectParsed +{ +public: +    CommandObjectBreakpointEnable (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter, +                             "enable", +                             "Enable the specified disabled breakpoint(s). If no breakpoints are specified, enable all of them.", +                             NULL) +    { +        CommandArgumentEntry arg; +        CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange); +        // Add the entry for the first argument for this command to the object's arguments vector. +        m_arguments.push_back (arg);    +    } + + +    virtual +    ~CommandObjectBreakpointEnable () {} + +protected: +    virtual bool +    DoExecute (Args& command, CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target.  No existing target or breakpoints."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        Mutex::Locker locker; +        target->GetBreakpointList().GetListMutex(locker); + +        const BreakpointList &breakpoints = target->GetBreakpointList(); + +        size_t num_breakpoints = breakpoints.GetSize(); + +        if (num_breakpoints == 0) +        { +            result.AppendError ("No breakpoints exist to be enabled."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        if (command.GetArgumentCount() == 0) +        { +            // No breakpoint selected; enable all currently set breakpoints. +            target->EnableAllBreakpoints (); +            result.AppendMessageWithFormat ("All breakpoints enabled. (%lu breakpoints)\n", num_breakpoints); +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +        } +        else +        { +            // Particular breakpoint selected; enable that breakpoint. +            BreakpointIDList valid_bp_ids; +            CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids); + +            if (result.Succeeded()) +            { +                int enable_count = 0; +                int loc_count = 0; +                const size_t count = valid_bp_ids.GetSize(); +                for (size_t i = 0; i < count; ++i) +                { +                    BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); + +                    if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) +                    { +                        Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); +                        if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) +                        { +                            BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); +                            if (location) +                            { +                                location->SetEnabled (true); +                                ++loc_count; +                            } +                        } +                        else +                        { +                            breakpoint->SetEnabled (true); +                            ++enable_count; +                        } +                    } +                } +                result.AppendMessageWithFormat ("%d breakpoints enabled.\n", enable_count + loc_count); +                result.SetStatus (eReturnStatusSuccessFinishNoResult); +            } +        } + +        return result.Succeeded(); +    } +}; + +//------------------------------------------------------------------------- +// CommandObjectBreakpointDisable +//------------------------------------------------------------------------- +#pragma mark Disable + +class CommandObjectBreakpointDisable : public CommandObjectParsed +{ +public: +    CommandObjectBreakpointDisable (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter, +                             "breakpoint disable", +                             "Disable the specified breakpoint(s) without removing it/them.  If no breakpoints are specified, disable them all.", +                             NULL) +    { +        SetHelpLong( +"Disable the specified breakpoint(s) without removing it/them.  \n\ +If no breakpoints are specified, disable them all.\n\ +\n\ +Note: disabling a breakpoint will cause none of its locations to be hit\n\ +regardless of whether they are enabled or disabled.  So the sequence: \n\ +\n\ +    (lldb) break disable 1\n\ +    (lldb) break enable 1.1\n\ +\n\ +will NOT cause location 1.1 to get hit.  To achieve that, do:\n\ +\n\ +    (lldb) break disable 1.*\n\ +    (lldb) break enable 1.1\n\ +\n\ +The first command disables all the locations of breakpoint 1, \n\ +the second re-enables the first location." +                    ); +         +        CommandArgumentEntry arg; +        CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange); +        // Add the entry for the first argument for this command to the object's arguments vector. +        m_arguments.push_back (arg); + +    } + + +    virtual +    ~CommandObjectBreakpointDisable () {} + +protected: +    virtual bool +    DoExecute (Args& command, CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target.  No existing target or breakpoints."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        Mutex::Locker locker; +        target->GetBreakpointList().GetListMutex(locker); + +        const BreakpointList &breakpoints = target->GetBreakpointList(); +        size_t num_breakpoints = breakpoints.GetSize(); + +        if (num_breakpoints == 0) +        { +            result.AppendError ("No breakpoints exist to be disabled."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        if (command.GetArgumentCount() == 0) +        { +            // No breakpoint selected; disable all currently set breakpoints. +            target->DisableAllBreakpoints (); +            result.AppendMessageWithFormat ("All breakpoints disabled. (%lu breakpoints)\n", num_breakpoints); +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +        } +        else +        { +            // Particular breakpoint selected; disable that breakpoint. +            BreakpointIDList valid_bp_ids; + +            CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids); + +            if (result.Succeeded()) +            { +                int disable_count = 0; +                int loc_count = 0; +                const size_t count = valid_bp_ids.GetSize(); +                for (size_t i = 0; i < count; ++i) +                { +                    BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); + +                    if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) +                    { +                        Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); +                        if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) +                        { +                            BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); +                            if (location) +                            { +                                location->SetEnabled (false); +                                ++loc_count; +                            } +                        } +                        else +                        { +                            breakpoint->SetEnabled (false); +                            ++disable_count; +                        } +                    } +                } +                result.AppendMessageWithFormat ("%d breakpoints disabled.\n", disable_count + loc_count); +                result.SetStatus (eReturnStatusSuccessFinishNoResult); +            } +        } + +        return result.Succeeded(); +    } + +}; + +//------------------------------------------------------------------------- +// CommandObjectBreakpointList +//------------------------------------------------------------------------- +#pragma mark List + +class CommandObjectBreakpointList : public CommandObjectParsed +{ +public: +    CommandObjectBreakpointList (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter,  +                             "breakpoint list", +                             "List some or all breakpoints at configurable levels of detail.", +                             NULL), +        m_options (interpreter) +    { +        CommandArgumentEntry arg; +        CommandArgumentData bp_id_arg; + +        // Define the first (and only) variant of this arg. +        bp_id_arg.arg_type = eArgTypeBreakpointID; +        bp_id_arg.arg_repetition = eArgRepeatOptional; + +        // There is only one variant this argument could be; put it into the argument entry. +        arg.push_back (bp_id_arg); + +        // Push the data for the first argument into the m_arguments vector. +        m_arguments.push_back (arg); +    } + + +    virtual +    ~CommandObjectBreakpointList () {} + +    virtual Options * +    GetOptions () +    { +        return &m_options; +    } +     +    class CommandOptions : public Options +    { +    public: + +        CommandOptions (CommandInterpreter &interpreter) : +            Options (interpreter), +            m_level (lldb::eDescriptionLevelBrief)  // Breakpoint List defaults to brief descriptions +        { +        } + +        virtual +        ~CommandOptions () {} + +        virtual Error +        SetOptionValue (uint32_t option_idx, const char *option_arg) +        { +            Error error; +            const int short_option = m_getopt_table[option_idx].val; + +            switch (short_option) +            { +                case 'b': +                    m_level = lldb::eDescriptionLevelBrief; +                    break; +                case 'f': +                    m_level = lldb::eDescriptionLevelFull; +                    break; +                case 'v': +                    m_level = lldb::eDescriptionLevelVerbose; +                    break; +                case 'i': +                    m_internal = true; +                    break; +                default: +                    error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); +                    break; +            } + +            return error; +        } + +        void +        OptionParsingStarting () +        { +            m_level = lldb::eDescriptionLevelFull; +            m_internal = false; +        } + +        const OptionDefinition * +        GetDefinitions () +        { +            return g_option_table; +        } + +        // Options table: Required for subclasses of Options. + +        static OptionDefinition g_option_table[]; + +        // Instance variables to hold the values for command options. + +        lldb::DescriptionLevel m_level; + +        bool m_internal; +    }; + +protected: +    virtual bool +    DoExecute (Args& command, CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target. No current target or breakpoints."); +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +            return true; +        } + +        const BreakpointList &breakpoints = target->GetBreakpointList(m_options.m_internal); +        Mutex::Locker locker; +        target->GetBreakpointList(m_options.m_internal).GetListMutex(locker); + +        size_t num_breakpoints = breakpoints.GetSize(); + +        if (num_breakpoints == 0) +        { +            result.AppendMessage ("No breakpoints currently set."); +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +            return true; +        } + +        Stream &output_stream = result.GetOutputStream(); + +        if (command.GetArgumentCount() == 0) +        { +            // No breakpoint selected; show info about all currently set breakpoints. +            result.AppendMessage ("Current breakpoints:"); +            for (size_t i = 0; i < num_breakpoints; ++i) +            { +                Breakpoint *breakpoint = breakpoints.GetBreakpointAtIndex (i).get(); +                AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level); +            } +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +        } +        else +        { +            // Particular breakpoints selected; show info about that breakpoint. +            BreakpointIDList valid_bp_ids; +            CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids); + +            if (result.Succeeded()) +            { +                for (size_t i = 0; i < valid_bp_ids.GetSize(); ++i) +                { +                    BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); +                    Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); +                    AddBreakpointDescription (&output_stream, breakpoint, m_options.m_level); +                } +                result.SetStatus (eReturnStatusSuccessFinishNoResult); +            } +            else +            { +                result.AppendError ("Invalid breakpoint id."); +                result.SetStatus (eReturnStatusFailed); +            } +        } + +        return result.Succeeded(); +    } + +private: +    CommandOptions m_options; +}; + +#pragma mark List::CommandOptions +OptionDefinition +CommandObjectBreakpointList::CommandOptions::g_option_table[] = +{ +    { LLDB_OPT_SET_ALL, false, "internal", 'i', no_argument, NULL, 0, eArgTypeNone, +        "Show debugger internal breakpoints" }, + +    { LLDB_OPT_SET_1, false, "brief",    'b', no_argument, NULL, 0, eArgTypeNone, +        "Give a brief description of the breakpoint (no location info)."}, + +    // FIXME: We need to add an "internal" command, and then add this sort of thing to it. +    // But I need to see it for now, and don't want to wait. +    { LLDB_OPT_SET_2, false, "full",    'f', no_argument, NULL, 0, eArgTypeNone, +        "Give a full description of the breakpoint and its locations."}, + +    { LLDB_OPT_SET_3, false, "verbose", 'v', no_argument, NULL, 0, eArgTypeNone, +        "Explain everything we know about the breakpoint (for debugging debugger bugs)." }, + +    { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } +}; + +//------------------------------------------------------------------------- +// CommandObjectBreakpointClear +//------------------------------------------------------------------------- +#pragma mark Clear + +class CommandObjectBreakpointClear : public CommandObjectParsed +{ +public: + +    typedef enum BreakpointClearType +    { +        eClearTypeInvalid, +        eClearTypeFileAndLine +    } BreakpointClearType; + +    CommandObjectBreakpointClear (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter, +                             "breakpoint clear",  +                             "Clears a breakpoint or set of breakpoints in the executable.",  +                             "breakpoint clear <cmd-options>"), +        m_options (interpreter) +    { +    } + +    virtual +    ~CommandObjectBreakpointClear () {} + +    virtual Options * +    GetOptions () +    { +        return &m_options; +    } + +    class CommandOptions : public Options +    { +    public: + +        CommandOptions (CommandInterpreter &interpreter) : +            Options (interpreter), +            m_filename (), +            m_line_num (0) +        { +        } + +        virtual +        ~CommandOptions () {} + +        virtual Error +        SetOptionValue (uint32_t option_idx, const char *option_arg) +        { +            Error error; +            const int short_option = m_getopt_table[option_idx].val; + +            switch (short_option) +            { +                case 'f': +                    m_filename.assign (option_arg); +                    break; + +                case 'l': +                    m_line_num = Args::StringToUInt32 (option_arg, 0); +                    break; + +                default: +                    error.SetErrorStringWithFormat ("unrecognized option '%c'", short_option); +                    break; +            } + +            return error; +        } + +        void +        OptionParsingStarting () +        { +            m_filename.clear(); +            m_line_num = 0; +        } + +        const OptionDefinition* +        GetDefinitions () +        { +            return g_option_table; +        } + +        // Options table: Required for subclasses of Options. + +        static OptionDefinition g_option_table[]; + +        // Instance variables to hold the values for command options. + +        std::string m_filename; +        uint32_t m_line_num; + +    }; + +protected: +    virtual bool +    DoExecute (Args& command, CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target. No existing target or breakpoints."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        // The following are the various types of breakpoints that could be cleared: +        //   1). -f -l (clearing breakpoint by source location) + +        BreakpointClearType break_type = eClearTypeInvalid; + +        if (m_options.m_line_num != 0) +            break_type = eClearTypeFileAndLine; + +        Mutex::Locker locker; +        target->GetBreakpointList().GetListMutex(locker); + +        BreakpointList &breakpoints = target->GetBreakpointList(); +        size_t num_breakpoints = breakpoints.GetSize(); + +        // Early return if there's no breakpoint at all. +        if (num_breakpoints == 0) +        { +            result.AppendError ("Breakpoint clear: No breakpoint cleared."); +            result.SetStatus (eReturnStatusFailed); +            return result.Succeeded(); +        } + +        // Find matching breakpoints and delete them. + +        // First create a copy of all the IDs. +        std::vector<break_id_t> BreakIDs; +        for (size_t i = 0; i < num_breakpoints; ++i) +            BreakIDs.push_back(breakpoints.GetBreakpointAtIndex(i).get()->GetID()); + +        int num_cleared = 0; +        StreamString ss; +        switch (break_type) +        { +            case eClearTypeFileAndLine: // Breakpoint by source position +                { +                    const ConstString filename(m_options.m_filename.c_str()); +                    BreakpointLocationCollection loc_coll; + +                    for (size_t i = 0; i < num_breakpoints; ++i) +                    { +                        Breakpoint *bp = breakpoints.FindBreakpointByID(BreakIDs[i]).get(); +                         +                        if (bp->GetMatchingFileLine(filename, m_options.m_line_num, loc_coll)) +                        { +                            // If the collection size is 0, it's a full match and we can just remove the breakpoint. +                            if (loc_coll.GetSize() == 0) +                            { +                                bp->GetDescription(&ss, lldb::eDescriptionLevelBrief); +                                ss.EOL(); +                                target->RemoveBreakpointByID (bp->GetID()); +                                ++num_cleared; +                            } +                        } +                    } +                } +                break; + +            default: +                break; +        } + +        if (num_cleared > 0) +        { +            Stream &output_stream = result.GetOutputStream(); +            output_stream.Printf ("%d breakpoints cleared:\n", num_cleared); +            output_stream << ss.GetData(); +            output_stream.EOL(); +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +        } +        else +        { +            result.AppendError ("Breakpoint clear: No breakpoint cleared."); +            result.SetStatus (eReturnStatusFailed); +        } + +        return result.Succeeded(); +    } + +private: +    CommandOptions m_options; +}; + +#pragma mark Clear::CommandOptions + +OptionDefinition +CommandObjectBreakpointClear::CommandOptions::g_option_table[] = +{ +    { LLDB_OPT_SET_1, false, "file", 'f', required_argument, NULL, CommandCompletions::eSourceFileCompletion, eArgTypeFilename, +        "Specify the breakpoint by source location in this particular file."}, + +    { LLDB_OPT_SET_1, true, "line", 'l', required_argument, NULL, 0, eArgTypeLineNum, +        "Specify the breakpoint by source location at this particular line."}, + +    { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL } +}; + +//------------------------------------------------------------------------- +// CommandObjectBreakpointDelete +//------------------------------------------------------------------------- +#pragma mark Delete + +class CommandObjectBreakpointDelete : public CommandObjectParsed +{ +public: +    CommandObjectBreakpointDelete (CommandInterpreter &interpreter) : +        CommandObjectParsed (interpreter, +                             "breakpoint delete", +                             "Delete the specified breakpoint(s).  If no breakpoints are specified, delete them all.", +                             NULL) +    { +        CommandArgumentEntry arg; +        CommandObject::AddIDsArgumentData(arg, eArgTypeBreakpointID, eArgTypeBreakpointIDRange); +        // Add the entry for the first argument for this command to the object's arguments vector. +        m_arguments.push_back (arg);    +    } + +    virtual +    ~CommandObjectBreakpointDelete () {} + +protected: +    virtual bool +    DoExecute (Args& command, CommandReturnObject &result) +    { +        Target *target = m_interpreter.GetDebugger().GetSelectedTarget().get(); +        if (target == NULL) +        { +            result.AppendError ("Invalid target. No existing target or breakpoints."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        Mutex::Locker locker; +        target->GetBreakpointList().GetListMutex(locker); +         +        const BreakpointList &breakpoints = target->GetBreakpointList(); + +        size_t num_breakpoints = breakpoints.GetSize(); + +        if (num_breakpoints == 0) +        { +            result.AppendError ("No breakpoints exist to be deleted."); +            result.SetStatus (eReturnStatusFailed); +            return false; +        } + +        if (command.GetArgumentCount() == 0) +        { +            if (!m_interpreter.Confirm ("About to delete all breakpoints, do you want to do that?", true)) +            { +                result.AppendMessage("Operation cancelled..."); +            } +            else +            { +                target->RemoveAllBreakpoints (); +                result.AppendMessageWithFormat ("All breakpoints removed. (%lu %s)\n", num_breakpoints, num_breakpoints > 1 ? "breakpoints" : "breakpoint"); +            } +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +        } +        else +        { +            // Particular breakpoint selected; disable that breakpoint. +            BreakpointIDList valid_bp_ids; +            CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (command, target, result, &valid_bp_ids); + +            if (result.Succeeded()) +            { +                int delete_count = 0; +                int disable_count = 0; +                const size_t count = valid_bp_ids.GetSize(); +                for (size_t i = 0; i < count; ++i) +                { +                    BreakpointID cur_bp_id = valid_bp_ids.GetBreakpointIDAtIndex (i); + +                    if (cur_bp_id.GetBreakpointID() != LLDB_INVALID_BREAK_ID) +                    { +                        if (cur_bp_id.GetLocationID() != LLDB_INVALID_BREAK_ID) +                        { +                            Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); +                            BreakpointLocation *location = breakpoint->FindLocationByID (cur_bp_id.GetLocationID()).get(); +                            // It makes no sense to try to delete individual locations, so we disable them instead. +                            if (location) +                            { +                                location->SetEnabled (false); +                                ++disable_count; +                            } +                        } +                        else +                        { +                            target->RemoveBreakpointByID (cur_bp_id.GetBreakpointID()); +                            ++delete_count; +                        } +                    } +                } +                result.AppendMessageWithFormat ("%d breakpoints deleted; %d breakpoint locations disabled.\n", +                                               delete_count, disable_count); +                result.SetStatus (eReturnStatusSuccessFinishNoResult); +            } +        } +        return result.Succeeded(); +    } +}; + +//------------------------------------------------------------------------- +// CommandObjectMultiwordBreakpoint +//------------------------------------------------------------------------- +#pragma mark MultiwordBreakpoint + +CommandObjectMultiwordBreakpoint::CommandObjectMultiwordBreakpoint (CommandInterpreter &interpreter) : +    CommandObjectMultiword (interpreter,  +                            "breakpoint", +                            "A set of commands for operating on breakpoints. Also see _regexp-break.", +                            "breakpoint <command> [<command-options>]") +{ +    CommandObjectSP list_command_object (new CommandObjectBreakpointList (interpreter)); +    CommandObjectSP enable_command_object (new CommandObjectBreakpointEnable (interpreter)); +    CommandObjectSP disable_command_object (new CommandObjectBreakpointDisable (interpreter)); +    CommandObjectSP clear_command_object (new CommandObjectBreakpointClear (interpreter)); +    CommandObjectSP delete_command_object (new CommandObjectBreakpointDelete (interpreter)); +    CommandObjectSP set_command_object (new CommandObjectBreakpointSet (interpreter)); +    CommandObjectSP command_command_object (new CommandObjectBreakpointCommand (interpreter)); +    CommandObjectSP modify_command_object (new CommandObjectBreakpointModify(interpreter)); + +    list_command_object->SetCommandName ("breakpoint list"); +    enable_command_object->SetCommandName("breakpoint enable"); +    disable_command_object->SetCommandName("breakpoint disable"); +    clear_command_object->SetCommandName("breakpoint clear"); +    delete_command_object->SetCommandName("breakpoint delete"); +    set_command_object->SetCommandName("breakpoint set"); +    command_command_object->SetCommandName ("breakpoint command"); +    modify_command_object->SetCommandName ("breakpoint modify"); + +    LoadSubCommand ("list",       list_command_object); +    LoadSubCommand ("enable",     enable_command_object); +    LoadSubCommand ("disable",    disable_command_object); +    LoadSubCommand ("clear",      clear_command_object); +    LoadSubCommand ("delete",     delete_command_object); +    LoadSubCommand ("set",        set_command_object); +    LoadSubCommand ("command",    command_command_object); +    LoadSubCommand ("modify",     modify_command_object); +} + +CommandObjectMultiwordBreakpoint::~CommandObjectMultiwordBreakpoint () +{ +} + +void +CommandObjectMultiwordBreakpoint::VerifyBreakpointIDs (Args &args, Target *target, CommandReturnObject &result, +                                                         BreakpointIDList *valid_ids) +{ +    // args can be strings representing 1). integers (for breakpoint ids) +    //                                  2). the full breakpoint & location canonical representation +    //                                  3). the word "to" or a hyphen, representing a range (in which case there +    //                                      had *better* be an entry both before & after of one of the first two types. +    // If args is empty, we will use the last created breakpoint (if there is one.) + +    Args temp_args; + +    if (args.GetArgumentCount() == 0) +    { +        if (target->GetLastCreatedBreakpoint()) +        { +            valid_ids->AddBreakpointID (BreakpointID(target->GetLastCreatedBreakpoint()->GetID(), LLDB_INVALID_BREAK_ID)); +            result.SetStatus (eReturnStatusSuccessFinishNoResult); +        }  +        else +        {    +            result.AppendError("No breakpoint specified and no last created breakpoint."); +            result.SetStatus (eReturnStatusFailed); +        } +        return; +    } +     +    // Create a new Args variable to use; copy any non-breakpoint-id-ranges stuff directly from the old ARGS to +    // the new TEMP_ARGS.  Do not copy breakpoint id range strings over; instead generate a list of strings for +    // all the breakpoint ids in the range, and shove all of those breakpoint id strings into TEMP_ARGS. + +    BreakpointIDList::FindAndReplaceIDRanges (args, target, result, temp_args); + +    // NOW, convert the list of breakpoint id strings in TEMP_ARGS into an actual BreakpointIDList: + +    valid_ids->InsertStringArray (temp_args.GetConstArgumentVector(), temp_args.GetArgumentCount(), result); + +    // At this point,  all of the breakpoint ids that the user passed in have been converted to breakpoint IDs +    // and put into valid_ids. + +    if (result.Succeeded()) +    { +        // Now that we've converted everything from args into a list of breakpoint ids, go through our tentative list +        // of breakpoint id's and verify that they correspond to valid/currently set breakpoints. + +        const size_t count = valid_ids->GetSize(); +        for (size_t i = 0; i < count; ++i) +        { +            BreakpointID cur_bp_id = valid_ids->GetBreakpointIDAtIndex (i); +            Breakpoint *breakpoint = target->GetBreakpointByID (cur_bp_id.GetBreakpointID()).get(); +            if (breakpoint != NULL) +            { +                const size_t num_locations = breakpoint->GetNumLocations(); +                if (cur_bp_id.GetLocationID() > num_locations) +                { +                    StreamString id_str; +                    BreakpointID::GetCanonicalReference (&id_str,  +                                                         cur_bp_id.GetBreakpointID(), +                                                         cur_bp_id.GetLocationID()); +                    i = valid_ids->GetSize() + 1; +                    result.AppendErrorWithFormat ("'%s' is not a currently valid breakpoint/location id.\n", +                                                 id_str.GetData()); +                    result.SetStatus (eReturnStatusFailed); +                } +            } +            else +            { +                i = valid_ids->GetSize() + 1; +                result.AppendErrorWithFormat ("'%d' is not a currently valid breakpoint id.\n", cur_bp_id.GetBreakpointID()); +                result.SetStatus (eReturnStatusFailed); +            } +        } +    } +}  | 
