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Chris Lattner24943d22010-06-08 16:52:24 +00001//===-- CommandObjectFile.cpp -----------------------------------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "CommandObjectFile.h"
11
12// C Includes
13// C++ Includes
14// Other libraries and framework includes
15// Project includes
Jim Ingham84cdc152010-06-15 19:49:27 +000016#include "lldb/Interpreter/Args.h"
Chris Lattner24943d22010-06-08 16:52:24 +000017#include "lldb/Core/Debugger.h"
18#include "lldb/Core/Timer.h"
Greg Clayton63094e02010-06-23 01:19:29 +000019#include "lldb/Core/Debugger.h"
Chris Lattner24943d22010-06-08 16:52:24 +000020#include "lldb/Interpreter/CommandInterpreter.h"
21#include "lldb/Interpreter/CommandReturnObject.h"
Jim Ingham802f8b02010-06-30 05:02:46 +000022#include "lldb/Interpreter/CommandCompletions.h"
Chris Lattner24943d22010-06-08 16:52:24 +000023#include "lldb/Target/Process.h"
24
25using namespace lldb;
26using namespace lldb_private;
27
28CommandObjectFile::CommandOptions::CommandOptions() :
29 Options (),
30 m_arch () // Breakpoint info defaults to brief descriptions
31{
Chris Lattner24943d22010-06-08 16:52:24 +000032}
33
34CommandObjectFile::CommandOptions::~CommandOptions ()
35{
36}
37
38lldb::OptionDefinition
39CommandObjectFile::CommandOptions::g_option_table[] =
40{
Jim Ingham34e9a982010-06-15 18:47:14 +000041 { LLDB_OPT_SET_1, false, "arch", 'a', required_argument, NULL, 0, "<arch>", "Specify the architecture to launch."},
Chris Lattner24943d22010-06-08 16:52:24 +000042 { 0, false, NULL, 0, 0, NULL, 0, NULL, NULL }
43};
44
45const lldb::OptionDefinition *
46CommandObjectFile::CommandOptions::GetDefinitions ()
47{
48 return g_option_table;
49}
50
51Error
52CommandObjectFile::CommandOptions::SetOptionValue (int option_idx, const char *option_arg)
53{
54 Error error;
55 char short_option = (char) m_getopt_table[option_idx].val;
56
57 switch (short_option)
58 {
59 case 'a':
60 {
61 ArchSpec option_arch (option_arg);
62 if (option_arch.IsValid())
63 m_arch = option_arch;
64 else
65 error.SetErrorStringWithFormat ("Invalid arch string '%s'.\n", optarg);
66 }
67 break;
68
69 default:
70 error.SetErrorStringWithFormat ("Unrecognized option '%c'.\n", short_option);
71 break;
72 }
73
74 return error;
75}
76
77void
78CommandObjectFile::CommandOptions::ResetOptionValues ()
79{
80 Options::ResetOptionValues();
81 m_arch.Clear();
82}
83
84//-------------------------------------------------------------------------
85// CommandObjectFile
86//-------------------------------------------------------------------------
87
88CommandObjectFile::CommandObjectFile() :
89 CommandObject ("file",
90 "Sets the file to be used as the main executable by the debugger.",
91 "file [<cmd-options>] <filename>")
92{
93}
94
95CommandObjectFile::~CommandObjectFile ()
96{
97}
98
99Options *
100CommandObjectFile::GetOptions ()
101{
102 return &m_options;
103}
104
105bool
106CommandObjectFile::Execute
107(
Greg Clayton63094e02010-06-23 01:19:29 +0000108 CommandInterpreter &interpreter,
Chris Lattner24943d22010-06-08 16:52:24 +0000109 Args& command,
Chris Lattner24943d22010-06-08 16:52:24 +0000110 CommandReturnObject &result
111)
112{
113 const char *file_path = command.GetArgumentAtIndex(0);
114 Timer scoped_timer(__PRETTY_FUNCTION__, "(dbg) file '%s'", file_path);
115 const int argc = command.GetArgumentCount();
116 if (argc == 1)
117 {
118 FileSpec file_spec (file_path);
119
120 if (! file_spec.Exists())
121 {
122 result.AppendErrorWithFormat ("File '%s' does not exist.\n", file_path);
123 result.SetStatus (eReturnStatusFailed);
124 return result.Succeeded();
125 }
126
127 TargetSP target_sp;
128
129 ArchSpec arch;
130 if (m_options.m_arch.IsValid())
131 arch = m_options.m_arch;
132 else
133 {
134 arch = lldb_private::GetDefaultArchitecture ();
135 if (!arch.IsValid())
136 arch = LLDB_ARCH_DEFAULT;
137 }
Greg Clayton63094e02010-06-23 01:19:29 +0000138 Debugger &debugger = interpreter.GetDebugger();
139 Error error = debugger.GetTargetList().CreateTarget (debugger, file_spec, arch, NULL, true, target_sp);
Chris Lattner24943d22010-06-08 16:52:24 +0000140
141 if (error.Fail() && !m_options.m_arch.IsValid())
142 {
143 if (arch == LLDB_ARCH_DEFAULT_32BIT)
144 arch = LLDB_ARCH_DEFAULT_64BIT;
145 else
146 arch = LLDB_ARCH_DEFAULT_32BIT;
Greg Clayton63094e02010-06-23 01:19:29 +0000147 error = debugger.GetTargetList().CreateTarget (debugger, file_spec, arch, NULL, true, target_sp);
Chris Lattner24943d22010-06-08 16:52:24 +0000148 }
149
150 if (target_sp)
151 {
Greg Clayton63094e02010-06-23 01:19:29 +0000152 debugger.GetTargetList().SetCurrentTarget(target_sp.get());
Chris Lattner24943d22010-06-08 16:52:24 +0000153 result.AppendMessageWithFormat ("Current executable set to '%s' (%s).\n", file_path, arch.AsCString());
154 result.SetStatus (eReturnStatusSuccessFinishNoResult);
155 }
156 else
157 {
158 result.AppendError(error.AsCString());
159 result.SetStatus (eReturnStatusFailed);
160 }
161 }
162 else
163 {
164 result.AppendErrorWithFormat("'%s' takes exactly one executable path argument.\n", m_cmd_name.c_str());
165 result.SetStatus (eReturnStatusFailed);
166 }
167 return result.Succeeded();
168
169}
Jim Ingham802f8b02010-06-30 05:02:46 +0000170
171int
172CommandObjectFile::HandleArgumentCompletion (CommandInterpreter &interpreter,
173 Args &input,
174 int &cursor_index,
175 int &cursor_char_position,
176 OptionElementVector &opt_element_vector,
177 int match_start_point,
178 int max_return_elements,
179 bool &word_complete,
180 StringList &matches)
181{
182 std::string completion_str (input.GetArgumentAtIndex(cursor_index));
183 completion_str.erase (cursor_char_position);
184
185 CommandCompletions::InvokeCommonCompletionCallbacks (interpreter,
186 CommandCompletions::eDiskFileCompletion,
187 completion_str.c_str(),
188 match_start_point,
189 max_return_elements,
190 NULL,
191 word_complete,
192 matches);
193 return matches.GetSize();
194
195}