1 //===-- ScriptInterpreter.cpp -----------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/Interpreter/ScriptInterpreter.h"
10 
11 #include <stdio.h>
12 #include <stdlib.h>
13 #include <string>
14 
15 #include "lldb/Host/PseudoTerminal.h"
16 #include "lldb/Interpreter/CommandReturnObject.h"
17 #include "lldb/Utility/Status.h"
18 #include "lldb/Utility/Stream.h"
19 #include "lldb/Utility/StringList.h"
20 
21 using namespace lldb;
22 using namespace lldb_private;
23 
24 ScriptInterpreter::ScriptInterpreter(Debugger &debugger,
25                                      lldb::ScriptLanguage script_lang)
26     : m_debugger(debugger), m_script_lang(script_lang) {}
27 
28 ScriptInterpreter::~ScriptInterpreter() {}
29 
30 void ScriptInterpreter::CollectDataForBreakpointCommandCallback(
31     std::vector<BreakpointOptions *> &bp_options_vec,
32     CommandReturnObject &result) {
33   result.SetStatus(eReturnStatusFailed);
34   result.AppendError(
35       "This script interpreter does not support breakpoint callbacks.");
36 }
37 
38 void ScriptInterpreter::CollectDataForWatchpointCommandCallback(
39     WatchpointOptions *bp_options, CommandReturnObject &result) {
40   result.SetStatus(eReturnStatusFailed);
41   result.AppendError(
42       "This script interpreter does not support watchpoint callbacks.");
43 }
44 
45 bool ScriptInterpreter::LoadScriptingModule(
46     const char *filename, bool init_session, lldb_private::Status &error,
47     StructuredData::ObjectSP *module_sp) {
48   error.SetErrorString(
49       "This script interpreter does not support importing modules.");
50   return false;
51 }
52 
53 std::string ScriptInterpreter::LanguageToString(lldb::ScriptLanguage language) {
54   switch (language) {
55   case eScriptLanguageNone:
56     return "None";
57   case eScriptLanguagePython:
58     return "Python";
59   case eScriptLanguageLua:
60     return "Lua";
61   case eScriptLanguageUnknown:
62     return "Unknown";
63   }
64   llvm_unreachable("Unhandled ScriptInterpreter!");
65 }
66 
67 lldb::ScriptLanguage
68 ScriptInterpreter::StringToLanguage(const llvm::StringRef &language) {
69   if (language.equals_lower(LanguageToString(eScriptLanguageNone)))
70     return eScriptLanguageNone;
71   if (language.equals_lower(LanguageToString(eScriptLanguagePython)))
72     return eScriptLanguagePython;
73   if (language.equals_lower(LanguageToString(eScriptLanguageLua)))
74     return eScriptLanguageLua;
75   return eScriptLanguageUnknown;
76 }
77 
78 Status ScriptInterpreter::SetBreakpointCommandCallback(
79     std::vector<BreakpointOptions *> &bp_options_vec,
80     const char *callback_text) {
81   Status return_error;
82   for (BreakpointOptions *bp_options : bp_options_vec) {
83     return_error = SetBreakpointCommandCallback(bp_options, callback_text);
84     if (return_error.Success())
85       break;
86   }
87   return return_error;
88 }
89 
90 Status ScriptInterpreter::SetBreakpointCommandCallbackFunction(
91     std::vector<BreakpointOptions *> &bp_options_vec, const char *function_name,
92     StructuredData::ObjectSP extra_args_sp) {
93   Status error;
94   for (BreakpointOptions *bp_options : bp_options_vec) {
95     error = SetBreakpointCommandCallbackFunction(bp_options, function_name,
96                                                  extra_args_sp);
97     if (!error.Success())
98       return error;
99   }
100   return error;
101 }
102 
103 std::unique_ptr<ScriptInterpreterLocker>
104 ScriptInterpreter::AcquireInterpreterLock() {
105   return std::unique_ptr<ScriptInterpreterLocker>(
106       new ScriptInterpreterLocker());
107 }
108