forked from OSchip/llvm-project
121 lines
3.3 KiB
C++
121 lines
3.3 KiB
C++
//===-- CPPLanguageRuntime.cpp -------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Target/CPPLanguageRuntime.h"
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#include "lldb/Core/PluginManager.h"
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#include "lldb/Target/ExecutionContext.h"
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using namespace lldb;
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using namespace lldb_private;
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//----------------------------------------------------------------------
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// Destructor
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//----------------------------------------------------------------------
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CPPLanguageRuntime::~CPPLanguageRuntime()
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{
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}
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CPPLanguageRuntime::CPPLanguageRuntime (Process *process) :
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LanguageRuntime (process)
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{
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}
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bool
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CPPLanguageRuntime::GetObjectDescription (Stream &str, ValueObject &object)
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{
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// C++ has no generic way to do this.
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return false;
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}
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bool
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CPPLanguageRuntime::GetObjectDescription (Stream &str, Value &value, ExecutionContextScope *exe_scope)
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{
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// C++ has no generic way to do this.
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return false;
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}
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bool
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CPPLanguageRuntime::IsCPPMangledName (const char *name)
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{
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// FIXME, we should really run through all the known C++ Language plugins and ask each one if
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// this is a C++ mangled name, but we can put that off till there is actually more than one
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// we care about.
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if (name && name[0] == '_' && name[1] == 'Z')
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return true;
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else
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return false;
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}
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bool
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CPPLanguageRuntime::StripNamespacesFromVariableName (const char *name, const char *&base_name_start, const char *&base_name_end)
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{
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if (base_name_end == NULL)
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base_name_end = name + strlen (name);
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const char *last_colon = NULL;
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for (const char *ptr = base_name_end; ptr != name; ptr--)
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{
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if (*ptr == ':')
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{
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last_colon = ptr;
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break;
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}
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}
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if (last_colon == NULL)
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{
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base_name_start = name;
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return true;
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}
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// Can't have a C++ name that begins with a single ':', nor contains an internal single ':'
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if (last_colon == name)
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return false;
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else if (last_colon[-1] != ':')
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return false;
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else
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{
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// FIXME: should check if there is
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base_name_start = last_colon + 1;
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return true;
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}
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}
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bool
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CPPLanguageRuntime::IsPossibleCPPCall (const char *name, const char *&base_name_start, const char *&base_name_end)
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{
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if (!name)
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return false;
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// For now, I really can't handle taking template names apart, so if you
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// have < or > I'll say "could be CPP but leave the base_name empty which
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// means I couldn't figure out what to use for that.
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// FIXME: Do I need to do more sanity checking here?
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if (strchr(name, '>') != NULL || strchr (name, '>') != NULL)
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return true;
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size_t name_len = strlen (name);
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if (name[name_len - 1] == ')')
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{
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// We've got arguments.
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base_name_end = strchr (name, '(');
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if (base_name_end == NULL)
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return false;
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// FIXME: should check that this parenthesis isn't a template specialized
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// on a function type or something gross like that...
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}
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else
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base_name_end = name + strlen (name);
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return StripNamespacesFromVariableName (name, base_name_start, base_name_end);
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}
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