llvm-project/lldb/source/Expression/ExpressionSourceCode.cpp

178 lines
7.5 KiB
C++

//===-- ExpressionSourceCode.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/Expression/ExpressionSourceCode.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Target/ExecutionContext.h"
#include "lldb/Target/Platform.h"
#include "lldb/Target/Target.h"
using namespace lldb_private;
const char *
ExpressionSourceCode::g_expression_prefix = R"(
#undef NULL
#undef Nil
#undef nil
#undef YES
#undef NO
#define NULL (__null)
#define Nil (__null)
#define nil (__null)
#define YES ((BOOL)1)
#define NO ((BOOL)0)
typedef __INT8_TYPE__ int8_t;
typedef __UINT8_TYPE__ uint8_t;
typedef __INT16_TYPE__ int16_t;
typedef __UINT16_TYPE__ uint16_t;
typedef __INT32_TYPE__ int32_t;
typedef __UINT32_TYPE__ uint32_t;
typedef __INT64_TYPE__ int64_t;
typedef __UINT64_TYPE__ uint64_t;
typedef __INTPTR_TYPE__ intptr_t;
typedef __UINTPTR_TYPE__ uintptr_t;
typedef __SIZE_TYPE__ size_t;
typedef __PTRDIFF_TYPE__ ptrdiff_t;
typedef unsigned short unichar;
extern "C"
{
int printf(const char * __restrict, ...);
}
)";
bool ExpressionSourceCode::GetText (std::string &text, lldb::LanguageType wrapping_language, bool const_object, bool static_method, ExecutionContext &exe_ctx) const
{
const char *target_specific_defines = "typedef signed char BOOL;\n";
static ConstString g_platform_ios_simulator ("ios-simulator");
if (Target *target = exe_ctx.GetTargetPtr())
{
if (target->GetArchitecture().GetMachine() == llvm::Triple::aarch64)
{
target_specific_defines = "typedef bool BOOL;\n";
}
if (target->GetArchitecture().GetMachine() == llvm::Triple::x86_64)
{
if (lldb::PlatformSP platform_sp = target->GetPlatform())
{
if (platform_sp->GetPluginName() == g_platform_ios_simulator)
{
target_specific_defines = "typedef bool BOOL;\n";
}
}
}
}
if (m_wrap)
{
switch (wrapping_language)
{
default:
return false;
case lldb::eLanguageTypeC:
case lldb::eLanguageTypeC_plus_plus:
case lldb::eLanguageTypeObjC:
break;
}
StreamString wrap_stream;
switch (wrapping_language)
{
default:
break;
case lldb::eLanguageTypeC:
wrap_stream.Printf("%s \n"
"%s \n"
"%s \n"
"void \n"
"%s(void *$__lldb_arg) \n"
"{ \n"
" %s; \n"
"} \n",
g_expression_prefix,
target_specific_defines,
m_prefix.c_str(),
m_name.c_str(),
m_body.c_str());
break;
case lldb::eLanguageTypeC_plus_plus:
wrap_stream.Printf("%s \n"
"%s \n"
"%s \n"
"void \n"
"$__lldb_class::%s(void *$__lldb_arg) %s\n"
"{ \n"
" %s; \n"
"} \n",
g_expression_prefix,
target_specific_defines,
m_prefix.c_str(),
m_name.c_str(),
(const_object ? "const" : ""),
m_body.c_str());
break;
case lldb::eLanguageTypeObjC:
if (static_method)
{
wrap_stream.Printf("%s \n"
"%s \n"
"%s \n"
"@interface $__lldb_objc_class ($__lldb_category) \n"
"+(void)%s:(void *)$__lldb_arg; \n"
"@end \n"
"@implementation $__lldb_objc_class ($__lldb_category) \n"
"+(void)%s:(void *)$__lldb_arg \n"
"{ \n"
" %s; \n"
"} \n"
"@end \n",
g_expression_prefix,
target_specific_defines,
m_prefix.c_str(),
m_name.c_str(),
m_name.c_str(),
m_body.c_str());
}
else
{
wrap_stream.Printf("%s \n"
"%s \n"
"%s \n"
"@interface $__lldb_objc_class ($__lldb_category) \n"
"-(void)%s:(void *)$__lldb_arg; \n"
"@end \n"
"@implementation $__lldb_objc_class ($__lldb_category) \n"
"-(void)%s:(void *)$__lldb_arg \n"
"{ \n"
" %s; \n"
"} \n"
"@end \n",
g_expression_prefix,
target_specific_defines,
m_prefix.c_str(),
m_name.c_str(),
m_name.c_str(),
m_body.c_str());
}
break;
}
text = wrap_stream.GetString();
}
else
{
text.append(m_body);
}
return true;
}