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Diffstat (limited to 'contrib/llvm/tools/lldb/source/Interpreter/Options.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Interpreter/Options.cpp | 1077 |
1 files changed, 1077 insertions, 0 deletions
diff --git a/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp b/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp new file mode 100644 index 0000000..293d753 --- /dev/null +++ b/contrib/llvm/tools/lldb/source/Interpreter/Options.cpp @@ -0,0 +1,1077 @@ +//===-- Options.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 "lldb/Interpreter/Options.h" + +// C Includes +// C++ Includes +#include <algorithm> +#include <bitset> +#include <map> + +// Other libraries and framework includes +// Project includes +#include "lldb/Interpreter/CommandObject.h" +#include "lldb/Interpreter/CommandReturnObject.h" +#include "lldb/Interpreter/CommandCompletions.h" +#include "lldb/Interpreter/CommandInterpreter.h" +#include "lldb/Core/StreamString.h" +#include "lldb/Target/Target.h" + +using namespace lldb; +using namespace lldb_private; + +//------------------------------------------------------------------------- +// Options +//------------------------------------------------------------------------- +Options::Options (CommandInterpreter &interpreter) : + m_interpreter (interpreter), + m_getopt_table () +{ + BuildValidOptionSets(); +} + +Options::~Options () +{ +} + +void +Options::NotifyOptionParsingStarting () +{ + m_seen_options.clear(); + // Let the subclass reset its option values + OptionParsingStarting (); +} + +Error +Options::NotifyOptionParsingFinished () +{ + return OptionParsingFinished (); +} + +void +Options::OptionSeen (int option_idx) +{ + m_seen_options.insert (option_idx); +} + +// Returns true is set_a is a subset of set_b; Otherwise returns false. + +bool +Options::IsASubset (const OptionSet& set_a, const OptionSet& set_b) +{ + bool is_a_subset = true; + OptionSet::const_iterator pos_a; + OptionSet::const_iterator pos_b; + + // set_a is a subset of set_b if every member of set_a is also a member of set_b + + for (pos_a = set_a.begin(); pos_a != set_a.end() && is_a_subset; ++pos_a) + { + pos_b = set_b.find(*pos_a); + if (pos_b == set_b.end()) + is_a_subset = false; + } + + return is_a_subset; +} + +// Returns the set difference set_a - set_b, i.e. { x | ElementOf (x, set_a) && !ElementOf (x, set_b) } + +size_t +Options::OptionsSetDiff (const OptionSet& set_a, const OptionSet& set_b, OptionSet& diffs) +{ + size_t num_diffs = 0; + OptionSet::const_iterator pos_a; + OptionSet::const_iterator pos_b; + + for (pos_a = set_a.begin(); pos_a != set_a.end(); ++pos_a) + { + pos_b = set_b.find(*pos_a); + if (pos_b == set_b.end()) + { + ++num_diffs; + diffs.insert(*pos_a); + } + } + + return num_diffs; +} + +// Returns the union of set_a and set_b. Does not put duplicate members into the union. + +void +Options::OptionsSetUnion (const OptionSet &set_a, const OptionSet &set_b, OptionSet &union_set) +{ + OptionSet::const_iterator pos; + OptionSet::iterator pos_union; + + // Put all the elements of set_a into the union. + + for (pos = set_a.begin(); pos != set_a.end(); ++pos) + union_set.insert(*pos); + + // Put all the elements of set_b that are not already there into the union. + for (pos = set_b.begin(); pos != set_b.end(); ++pos) + { + pos_union = union_set.find(*pos); + if (pos_union == union_set.end()) + union_set.insert(*pos); + } +} + +bool +Options::VerifyOptions (CommandReturnObject &result) +{ + bool options_are_valid = false; + + int num_levels = GetRequiredOptions().size(); + if (num_levels) + { + for (int i = 0; i < num_levels && !options_are_valid; ++i) + { + // This is the correct set of options if: 1). m_seen_options contains all of m_required_options[i] + // (i.e. all the required options at this level are a subset of m_seen_options); AND + // 2). { m_seen_options - m_required_options[i] is a subset of m_options_options[i] (i.e. all the rest of + // m_seen_options are in the set of optional options at this level. + + // Check to see if all of m_required_options[i] are a subset of m_seen_options + if (IsASubset (GetRequiredOptions()[i], m_seen_options)) + { + // Construct the set difference: remaining_options = {m_seen_options} - {m_required_options[i]} + OptionSet remaining_options; + OptionsSetDiff (m_seen_options, GetRequiredOptions()[i], remaining_options); + // Check to see if remaining_options is a subset of m_optional_options[i] + if (IsASubset (remaining_options, GetOptionalOptions()[i])) + options_are_valid = true; + } + } + } + else + { + options_are_valid = true; + } + + if (options_are_valid) + { + result.SetStatus (eReturnStatusSuccessFinishNoResult); + } + else + { + result.AppendError ("invalid combination of options for the given command"); + result.SetStatus (eReturnStatusFailed); + } + + return options_are_valid; +} + +// This is called in the Options constructor, though we could call it lazily if that ends up being +// a performance problem. + +void +Options::BuildValidOptionSets () +{ + // Check to see if we already did this. + if (m_required_options.size() != 0) + return; + + // Check to see if there are any options. + int num_options = NumCommandOptions (); + if (num_options == 0) + return; + + const OptionDefinition *opt_defs = GetDefinitions(); + m_required_options.resize(1); + m_optional_options.resize(1); + + // First count the number of option sets we've got. Ignore LLDB_ALL_OPTION_SETS... + + uint32_t num_option_sets = 0; + + for (int i = 0; i < num_options; i++) + { + uint32_t this_usage_mask = opt_defs[i].usage_mask; + if (this_usage_mask == LLDB_OPT_SET_ALL) + { + if (num_option_sets == 0) + num_option_sets = 1; + } + else + { + for (uint32_t j = 0; j < LLDB_MAX_NUM_OPTION_SETS; j++) + { + if (this_usage_mask & (1 << j)) + { + if (num_option_sets <= j) + num_option_sets = j + 1; + } + } + } + } + + if (num_option_sets > 0) + { + m_required_options.resize(num_option_sets); + m_optional_options.resize(num_option_sets); + + for (int i = 0; i < num_options; ++i) + { + for (uint32_t j = 0; j < num_option_sets; j++) + { + if (opt_defs[i].usage_mask & 1 << j) + { + if (opt_defs[i].required) + m_required_options[j].insert(opt_defs[i].short_option); + else + m_optional_options[j].insert(opt_defs[i].short_option); + } + } + } + } +} + +uint32_t +Options::NumCommandOptions () +{ + const OptionDefinition *opt_defs = GetDefinitions (); + if (opt_defs == NULL) + return 0; + + int i = 0; + + if (opt_defs != NULL) + { + while (opt_defs[i].long_option != NULL) + ++i; + } + + return i; +} + +struct option * +Options::GetLongOptions () +{ + // Check to see if this has already been done. + if (m_getopt_table.empty()) + { + // Check to see if there are any options. + const uint32_t num_options = NumCommandOptions(); + if (num_options == 0) + return NULL; + + uint32_t i; + const OptionDefinition *opt_defs = GetDefinitions(); + + std::map<int, uint32_t> option_seen; + + m_getopt_table.resize(num_options + 1); + for (i = 0; i < num_options; ++i) + { + const int short_opt = opt_defs[i].short_option; + + m_getopt_table[i].name = opt_defs[i].long_option; + m_getopt_table[i].has_arg = opt_defs[i].option_has_arg; + m_getopt_table[i].flag = NULL; + m_getopt_table[i].val = short_opt; + + if (option_seen.find(short_opt) == option_seen.end()) + { + option_seen[short_opt] = i; + } + else if (short_opt) + { + m_getopt_table[i].val = 0; + std::map<int, uint32_t>::const_iterator pos = option_seen.find(short_opt); + StreamString strm; + if (isprint8(short_opt)) + Host::SystemLog (Host::eSystemLogError, "option[%u] --%s has a short option -%c that conflicts with option[%u] --%s, short option won't be used for --%s\n", + i, + opt_defs[i].long_option, + short_opt, + pos->second, + m_getopt_table[pos->second].name, + opt_defs[i].long_option); + else + Host::SystemLog (Host::eSystemLogError, "option[%u] --%s has a short option 0x%x that conflicts with option[%u] --%s, short option won't be used for --%s\n", + i, + opt_defs[i].long_option, + short_opt, + pos->second, + m_getopt_table[pos->second].name, + opt_defs[i].long_option); + } + } + + //getopt_long_only requires a NULL final entry in the table: + + m_getopt_table[i].name = NULL; + m_getopt_table[i].has_arg = 0; + m_getopt_table[i].flag = NULL; + m_getopt_table[i].val = 0; + } + + if (m_getopt_table.empty()) + return NULL; + + return &m_getopt_table.front(); +} + + +// This function takes INDENT, which tells how many spaces to output at the front of each line; SPACES, which is +// a string containing 80 spaces; and TEXT, which is the text that is to be output. It outputs the text, on +// multiple lines if necessary, to RESULT, with INDENT spaces at the front of each line. It breaks lines on spaces, +// tabs or newlines, shortening the line if necessary to not break in the middle of a word. It assumes that each +// output line should contain a maximum of OUTPUT_MAX_COLUMNS characters. + + +void +Options::OutputFormattedUsageText +( + Stream &strm, + const char *text, + uint32_t output_max_columns +) +{ + int len = strlen (text); + + // Will it all fit on one line? + + if ((len + strm.GetIndentLevel()) < output_max_columns) + { + // Output it as a single line. + strm.Indent (text); + strm.EOL(); + } + else + { + // We need to break it up into multiple lines. + + int text_width = output_max_columns - strm.GetIndentLevel() - 1; + int start = 0; + int end = start; + int final_end = strlen (text); + int sub_len; + + while (end < final_end) + { + // Don't start the 'text' on a space, since we're already outputting the indentation. + while ((start < final_end) && (text[start] == ' ')) + start++; + + end = start + text_width; + if (end > final_end) + end = final_end; + else + { + // If we're not at the end of the text, make sure we break the line on white space. + while (end > start + && text[end] != ' ' && text[end] != '\t' && text[end] != '\n') + end--; + } + + sub_len = end - start; + if (start != 0) + strm.EOL(); + strm.Indent(); + assert (start < final_end); + assert (start + sub_len <= final_end); + strm.Write(text + start, sub_len); + start = end + 1; + } + strm.EOL(); + } +} + +bool +Options::SupportsLongOption (const char *long_option) +{ + if (long_option && long_option[0]) + { + const OptionDefinition *opt_defs = GetDefinitions (); + if (opt_defs) + { + const char *long_option_name = long_option; + if (long_option[0] == '-' && long_option[1] == '-') + long_option_name += 2; + + for (uint32_t i = 0; opt_defs[i].long_option; ++i) + { + if (strcmp(opt_defs[i].long_option, long_option_name) == 0) + return true; + } + } + } + return false; +} + +enum OptionDisplayType +{ + eDisplayBestOption, + eDisplayShortOption, + eDisplayLongOption +}; + +static bool +PrintOption (const OptionDefinition &opt_def, + OptionDisplayType display_type, + const char *header, + const char *footer, + bool show_optional, + Stream &strm) +{ + const bool has_short_option = isprint8(opt_def.short_option) != 0; + + if (display_type == eDisplayShortOption && !has_short_option) + return false; + + if (header && header[0]) + strm.PutCString(header); + + if (show_optional && !opt_def.required) + strm.PutChar('['); + const bool show_short_option = has_short_option && display_type != eDisplayLongOption; + if (show_short_option) + strm.Printf ("-%c", opt_def.short_option); + else + strm.Printf ("--%s", opt_def.long_option); + switch (opt_def.option_has_arg) + { + case no_argument: + break; + case required_argument: + strm.Printf (" <%s>", CommandObject::GetArgumentName (opt_def.argument_type)); + break; + + case optional_argument: + strm.Printf ("%s[<%s>]", + show_short_option ? "" : "=", + CommandObject::GetArgumentName (opt_def.argument_type)); + break; + } + if (show_optional && !opt_def.required) + strm.PutChar(']'); + if (footer && footer[0]) + strm.PutCString(footer); + return true; +} + +void +Options::GenerateOptionUsage +( + Stream &strm, + CommandObject *cmd +) +{ + const uint32_t screen_width = m_interpreter.GetDebugger().GetTerminalWidth(); + + const OptionDefinition *opt_defs = GetDefinitions(); + const uint32_t save_indent_level = strm.GetIndentLevel(); + const char *name; + + StreamString arguments_str; + + if (cmd) + { + name = cmd->GetCommandName(); + cmd->GetFormattedCommandArguments (arguments_str); + } + else + name = ""; + + strm.PutCString ("\nCommand Options Usage:\n"); + + strm.IndentMore(2); + + // First, show each usage level set of options, e.g. <cmd> [options-for-level-0] + // <cmd> [options-for-level-1] + // etc. + + const uint32_t num_options = NumCommandOptions(); + if (num_options == 0) + return; + + uint32_t num_option_sets = GetRequiredOptions().size(); + + uint32_t i; + + for (uint32_t opt_set = 0; opt_set < num_option_sets; ++opt_set) + { + uint32_t opt_set_mask; + + opt_set_mask = 1 << opt_set; + if (opt_set > 0) + strm.Printf ("\n"); + strm.Indent (name); + + // Different option sets may require different args. + StreamString args_str; + if (cmd) + cmd->GetFormattedCommandArguments(args_str, opt_set_mask); + + // First go through and print all options that take no arguments as + // a single string. If a command has "-a" "-b" and "-c", this will show + // up as [-abc] + + std::set<int> options; + std::set<int>::const_iterator options_pos, options_end; + for (i = 0; i < num_options; ++i) + { + if (opt_defs[i].usage_mask & opt_set_mask && isprint8(opt_defs[i].short_option)) + { + // Add current option to the end of out_stream. + + if (opt_defs[i].required == true && + opt_defs[i].option_has_arg == no_argument) + { + options.insert (opt_defs[i].short_option); + } + } + } + + if (options.empty() == false) + { + // We have some required options with no arguments + strm.PutCString(" -"); + for (i=0; i<2; ++i) + for (options_pos = options.begin(), options_end = options.end(); + options_pos != options_end; + ++options_pos) + { + if (i==0 && ::islower (*options_pos)) + continue; + if (i==1 && ::isupper (*options_pos)) + continue; + strm << (char)*options_pos; + } + } + + for (i = 0, options.clear(); i < num_options; ++i) + { + if (opt_defs[i].usage_mask & opt_set_mask && isprint8(opt_defs[i].short_option)) + { + // Add current option to the end of out_stream. + + if (opt_defs[i].required == false && + opt_defs[i].option_has_arg == no_argument) + { + options.insert (opt_defs[i].short_option); + } + } + } + + if (options.empty() == false) + { + // We have some required options with no arguments + strm.PutCString(" [-"); + for (i=0; i<2; ++i) + for (options_pos = options.begin(), options_end = options.end(); + options_pos != options_end; + ++options_pos) + { + if (i==0 && ::islower (*options_pos)) + continue; + if (i==1 && ::isupper (*options_pos)) + continue; + strm << (char)*options_pos; + } + strm.PutChar(']'); + } + + // First go through and print the required options (list them up front). + + for (i = 0; i < num_options; ++i) + { + if (opt_defs[i].usage_mask & opt_set_mask && isprint8(opt_defs[i].short_option)) + { + if (opt_defs[i].required && opt_defs[i].option_has_arg != no_argument) + PrintOption (opt_defs[i], eDisplayBestOption, " ", NULL, true, strm); + } + } + + // Now go through again, and this time only print the optional options. + + for (i = 0; i < num_options; ++i) + { + if (opt_defs[i].usage_mask & opt_set_mask) + { + // Add current option to the end of out_stream. + + if (!opt_defs[i].required && opt_defs[i].option_has_arg != no_argument) + PrintOption (opt_defs[i], eDisplayBestOption, " ", NULL, true, strm); + } + } + + if (args_str.GetSize() > 0) + { + if (cmd->WantsRawCommandString()) + strm.Printf(" --"); + + strm.Printf (" %s", args_str.GetData()); + } + } + + if (cmd && + cmd->WantsRawCommandString() && + arguments_str.GetSize() > 0) + { + strm.PutChar('\n'); + strm.Indent(name); + strm.Printf(" %s", arguments_str.GetData()); + } + + strm.Printf ("\n\n"); + + // Now print out all the detailed information about the various options: long form, short form and help text: + // --long_name <argument> ( -short <argument> ) + // help text + + // This variable is used to keep track of which options' info we've printed out, because some options can be in + // more than one usage level, but we only want to print the long form of its information once. + + std::multimap<int, uint32_t> options_seen; + strm.IndentMore (5); + + // Put the unique command options in a vector & sort it, so we can output them alphabetically (by short_option) + // when writing out detailed help for each option. + + for (i = 0; i < num_options; ++i) + options_seen.insert(std::make_pair(opt_defs[i].short_option, i)); + + // Go through the unique'd and alphabetically sorted vector of options, find the table entry for each option + // and write out the detailed help information for that option. + + bool first_option_printed = false;; + + for (auto pos : options_seen) + { + i = pos.second; + //Print out the help information for this option. + + // Put a newline separation between arguments + if (first_option_printed) + strm.EOL(); + else + first_option_printed = true; + + CommandArgumentType arg_type = opt_defs[i].argument_type; + + StreamString arg_name_str; + arg_name_str.Printf ("<%s>", CommandObject::GetArgumentName (arg_type)); + + strm.Indent (); + if (opt_defs[i].short_option && isprint8(opt_defs[i].short_option)) + { + PrintOption (opt_defs[i], eDisplayShortOption, NULL, NULL, false, strm); + PrintOption (opt_defs[i], eDisplayLongOption, " ( ", " )", false, strm); + } + else + { + // Short option is not printable, just print long option + PrintOption (opt_defs[i], eDisplayLongOption, NULL, NULL, false, strm); + } + strm.EOL(); + + strm.IndentMore (5); + + if (opt_defs[i].usage_text) + OutputFormattedUsageText (strm, + opt_defs[i].usage_text, + screen_width); + if (opt_defs[i].enum_values != NULL) + { + strm.Indent (); + strm.Printf("Values: "); + for (int k = 0; opt_defs[i].enum_values[k].string_value != NULL; k++) + { + if (k == 0) + strm.Printf("%s", opt_defs[i].enum_values[k].string_value); + else + strm.Printf(" | %s", opt_defs[i].enum_values[k].string_value); + } + strm.EOL(); + } + strm.IndentLess (5); + } + + // Restore the indent level + strm.SetIndentLevel (save_indent_level); +} + +// This function is called when we have been given a potentially incomplete set of +// options, such as when an alias has been defined (more options might be added at +// at the time the alias is invoked). We need to verify that the options in the set +// m_seen_options are all part of a set that may be used together, but m_seen_options +// may be missing some of the "required" options. + +bool +Options::VerifyPartialOptions (CommandReturnObject &result) +{ + bool options_are_valid = false; + + int num_levels = GetRequiredOptions().size(); + if (num_levels) + { + for (int i = 0; i < num_levels && !options_are_valid; ++i) + { + // In this case we are treating all options as optional rather than required. + // Therefore a set of options is correct if m_seen_options is a subset of the + // union of m_required_options and m_optional_options. + OptionSet union_set; + OptionsSetUnion (GetRequiredOptions()[i], GetOptionalOptions()[i], union_set); + if (IsASubset (m_seen_options, union_set)) + options_are_valid = true; + } + } + + return options_are_valid; +} + +bool +Options::HandleOptionCompletion +( + Args &input, + OptionElementVector &opt_element_vector, + int cursor_index, + int char_pos, + int match_start_point, + int max_return_elements, + bool &word_complete, + lldb_private::StringList &matches +) +{ + word_complete = true; + + // For now we just scan the completions to see if the cursor position is in + // an option or its argument. Otherwise we'll call HandleArgumentCompletion. + // In the future we can use completion to validate options as well if we want. + + const OptionDefinition *opt_defs = GetDefinitions(); + + std::string cur_opt_std_str (input.GetArgumentAtIndex(cursor_index)); + cur_opt_std_str.erase(char_pos); + const char *cur_opt_str = cur_opt_std_str.c_str(); + + for (size_t i = 0; i < opt_element_vector.size(); i++) + { + int opt_pos = opt_element_vector[i].opt_pos; + int opt_arg_pos = opt_element_vector[i].opt_arg_pos; + int opt_defs_index = opt_element_vector[i].opt_defs_index; + if (opt_pos == cursor_index) + { + // We're completing the option itself. + + if (opt_defs_index == OptionArgElement::eBareDash) + { + // We're completing a bare dash. That means all options are open. + // FIXME: We should scan the other options provided and only complete options + // within the option group they belong to. + char opt_str[3] = {'-', 'a', '\0'}; + + for (int j = 0 ; opt_defs[j].short_option != 0 ; j++) + { + opt_str[1] = opt_defs[j].short_option; + matches.AppendString (opt_str); + } + return true; + } + else if (opt_defs_index == OptionArgElement::eBareDoubleDash) + { + std::string full_name ("--"); + for (int j = 0 ; opt_defs[j].short_option != 0 ; j++) + { + full_name.erase(full_name.begin() + 2, full_name.end()); + full_name.append (opt_defs[j].long_option); + matches.AppendString (full_name.c_str()); + } + return true; + } + else if (opt_defs_index != OptionArgElement::eUnrecognizedArg) + { + // We recognized it, if it an incomplete long option, complete it anyway (getopt_long_only is + // happy with shortest unique string, but it's still a nice thing to do.) Otherwise return + // The string so the upper level code will know this is a full match and add the " ". + if (cur_opt_str && strlen (cur_opt_str) > 2 + && cur_opt_str[0] == '-' && cur_opt_str[1] == '-' + && strcmp (opt_defs[opt_defs_index].long_option, cur_opt_str) != 0) + { + std::string full_name ("--"); + full_name.append (opt_defs[opt_defs_index].long_option); + matches.AppendString(full_name.c_str()); + return true; + } + else + { + matches.AppendString(input.GetArgumentAtIndex(cursor_index)); + return true; + } + } + else + { + // FIXME - not handling wrong options yet: + // Check to see if they are writing a long option & complete it. + // I think we will only get in here if the long option table has two elements + // that are not unique up to this point. getopt_long_only does shortest unique match + // for long options already. + + if (cur_opt_str && strlen (cur_opt_str) > 2 + && cur_opt_str[0] == '-' && cur_opt_str[1] == '-') + { + for (int j = 0 ; opt_defs[j].short_option != 0 ; j++) + { + if (strstr(opt_defs[j].long_option, cur_opt_str + 2) == opt_defs[j].long_option) + { + std::string full_name ("--"); + full_name.append (opt_defs[j].long_option); + // The options definitions table has duplicates because of the + // way the grouping information is stored, so only add once. + bool duplicate = false; + for (size_t k = 0; k < matches.GetSize(); k++) + { + if (matches.GetStringAtIndex(k) == full_name) + { + duplicate = true; + break; + } + } + if (!duplicate) + matches.AppendString(full_name.c_str()); + } + } + } + return true; + } + + + } + else if (opt_arg_pos == cursor_index) + { + // Okay the cursor is on the completion of an argument. + // See if it has a completion, otherwise return no matches. + + if (opt_defs_index != -1) + { + HandleOptionArgumentCompletion (input, + cursor_index, + strlen (input.GetArgumentAtIndex(cursor_index)), + opt_element_vector, + i, + match_start_point, + max_return_elements, + word_complete, + matches); + return true; + } + else + { + // No completion callback means no completions... + return true; + } + + } + else + { + // Not the last element, keep going. + continue; + } + } + return false; +} + +bool +Options::HandleOptionArgumentCompletion +( + Args &input, + int cursor_index, + int char_pos, + OptionElementVector &opt_element_vector, + int opt_element_index, + int match_start_point, + int max_return_elements, + bool &word_complete, + lldb_private::StringList &matches +) +{ + const OptionDefinition *opt_defs = GetDefinitions(); + std::unique_ptr<SearchFilter> filter_ap; + + int opt_arg_pos = opt_element_vector[opt_element_index].opt_arg_pos; + int opt_defs_index = opt_element_vector[opt_element_index].opt_defs_index; + + // See if this is an enumeration type option, and if so complete it here: + + OptionEnumValueElement *enum_values = opt_defs[opt_defs_index].enum_values; + if (enum_values != NULL) + { + bool return_value = false; + std::string match_string(input.GetArgumentAtIndex (opt_arg_pos), input.GetArgumentAtIndex (opt_arg_pos) + char_pos); + for (int i = 0; enum_values[i].string_value != NULL; i++) + { + if (strstr(enum_values[i].string_value, match_string.c_str()) == enum_values[i].string_value) + { + matches.AppendString (enum_values[i].string_value); + return_value = true; + } + } + return return_value; + } + + // If this is a source file or symbol type completion, and there is a + // -shlib option somewhere in the supplied arguments, then make a search filter + // for that shared library. + // FIXME: Do we want to also have an "OptionType" so we don't have to match string names? + + uint32_t completion_mask = opt_defs[opt_defs_index].completion_type; + + if (completion_mask == 0) + { + lldb::CommandArgumentType option_arg_type = opt_defs[opt_defs_index].argument_type; + if (option_arg_type != eArgTypeNone) + { + CommandObject::ArgumentTableEntry *arg_entry = CommandObject::FindArgumentDataByType (opt_defs[opt_defs_index].argument_type); + if (arg_entry) + completion_mask = arg_entry->completion_type; + } + } + + if (completion_mask & CommandCompletions::eSourceFileCompletion + || completion_mask & CommandCompletions::eSymbolCompletion) + { + for (size_t i = 0; i < opt_element_vector.size(); i++) + { + int cur_defs_index = opt_element_vector[i].opt_defs_index; + int cur_arg_pos = opt_element_vector[i].opt_arg_pos; + const char *cur_opt_name = opt_defs[cur_defs_index].long_option; + + // If this is the "shlib" option and there was an argument provided, + // restrict it to that shared library. + if (strcmp(cur_opt_name, "shlib") == 0 && cur_arg_pos != -1) + { + const char *module_name = input.GetArgumentAtIndex(cur_arg_pos); + if (module_name) + { + FileSpec module_spec(module_name, false); + lldb::TargetSP target_sp = m_interpreter.GetDebugger().GetSelectedTarget(); + // Search filters require a target... + if (target_sp) + filter_ap.reset (new SearchFilterByModule (target_sp, module_spec)); + } + break; + } + } + } + + return CommandCompletions::InvokeCommonCompletionCallbacks (m_interpreter, + completion_mask, + input.GetArgumentAtIndex (opt_arg_pos), + match_start_point, + max_return_elements, + filter_ap.get(), + word_complete, + matches); + +} + + +void +OptionGroupOptions::Append (OptionGroup* group) +{ + const OptionDefinition* group_option_defs = group->GetDefinitions (); + const uint32_t group_option_count = group->GetNumDefinitions(); + for (uint32_t i=0; i<group_option_count; ++i) + { + m_option_infos.push_back (OptionInfo (group, i)); + m_option_defs.push_back (group_option_defs[i]); + } +} + +void +OptionGroupOptions::Append (OptionGroup* group, + uint32_t src_mask, + uint32_t dst_mask) +{ + const OptionDefinition* group_option_defs = group->GetDefinitions (); + const uint32_t group_option_count = group->GetNumDefinitions(); + for (uint32_t i=0; i<group_option_count; ++i) + { + if (group_option_defs[i].usage_mask & src_mask) + { + m_option_infos.push_back (OptionInfo (group, i)); + m_option_defs.push_back (group_option_defs[i]); + m_option_defs.back().usage_mask = dst_mask; + } + } +} + +void +OptionGroupOptions::Finalize () +{ + m_did_finalize = true; + OptionDefinition empty_option_def = { 0, false, NULL, 0, 0, NULL, 0, eArgTypeNone, NULL }; + m_option_defs.push_back (empty_option_def); +} + +Error +OptionGroupOptions::SetOptionValue (uint32_t option_idx, + const char *option_value) +{ + // After calling OptionGroupOptions::Append(...), you must finalize the groups + // by calling OptionGroupOptions::Finlize() + assert (m_did_finalize); + assert (m_option_infos.size() + 1 == m_option_defs.size()); + Error error; + if (option_idx < m_option_infos.size()) + { + error = m_option_infos[option_idx].option_group->SetOptionValue (m_interpreter, + m_option_infos[option_idx].option_index, + option_value); + + } + else + { + error.SetErrorString ("invalid option index"); // Shouldn't happen... + } + return error; +} + +void +OptionGroupOptions::OptionParsingStarting () +{ + std::set<OptionGroup*> group_set; + OptionInfos::iterator pos, end = m_option_infos.end(); + for (pos = m_option_infos.begin(); pos != end; ++pos) + { + OptionGroup* group = pos->option_group; + if (group_set.find(group) == group_set.end()) + { + group->OptionParsingStarting (m_interpreter); + group_set.insert(group); + } + } +} +Error +OptionGroupOptions::OptionParsingFinished () +{ + std::set<OptionGroup*> group_set; + Error error; + OptionInfos::iterator pos, end = m_option_infos.end(); + for (pos = m_option_infos.begin(); pos != end; ++pos) + { + OptionGroup* group = pos->option_group; + if (group_set.find(group) == group_set.end()) + { + error = group->OptionParsingFinished (m_interpreter); + group_set.insert(group); + if (error.Fail()) + return error; + } + } + return error; +} |
