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Diffstat (limited to 'source/Expression/ClangUtilityFunction.cpp')
| -rw-r--r-- | source/Expression/ClangUtilityFunction.cpp | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/source/Expression/ClangUtilityFunction.cpp b/source/Expression/ClangUtilityFunction.cpp deleted file mode 100644 index de5b0c1b03f4..000000000000 --- a/source/Expression/ClangUtilityFunction.cpp +++ /dev/null @@ -1,198 +0,0 @@ -//===-- ClangUserExpression.cpp -------------------------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// - -// C Includes -#include <stdio.h> -#if HAVE_SYS_TYPES_H -# include <sys/types.h> -#endif - -// C++ Includes - -#include "lldb/Core/ConstString.h" -#include "lldb/Core/Log.h" -#include "lldb/Core/Module.h" -#include "lldb/Core/Stream.h" -#include "lldb/Core/StreamFile.h" -#include "lldb/Expression/ClangExpressionDeclMap.h" -#include "lldb/Expression/ClangExpressionParser.h" -#include "lldb/Expression/ClangUtilityFunction.h" -#include "lldb/Expression/ExpressionSourceCode.h" -#include "lldb/Expression/IRExecutionUnit.h" -#include "lldb/Host/Host.h" -#include "lldb/Target/ExecutionContext.h" -#include "lldb/Target/Target.h" - -using namespace lldb_private; - -//------------------------------------------------------------------ -/// Constructor -/// -/// @param[in] text -/// The text of the function. Must be a full translation unit. -/// -/// @param[in] name -/// The name of the function, as used in the text. -//------------------------------------------------------------------ -ClangUtilityFunction::ClangUtilityFunction (const char *text, - const char *name) : - ClangExpression (), - m_expr_decl_map (), - m_execution_unit_sp (), - m_jit_module_wp (), - m_function_text (ExpressionSourceCode::g_expression_prefix), - m_function_name (name) -{ - if (text && text[0]) - m_function_text.append (text); -} - -ClangUtilityFunction::~ClangUtilityFunction () -{ - lldb::ProcessSP process_sp (m_jit_process_wp.lock()); - if (process_sp) - { - lldb::ModuleSP jit_module_sp (m_jit_module_wp.lock()); - if (jit_module_sp) - process_sp->GetTarget().GetImages().Remove(jit_module_sp); - } - -} - -//------------------------------------------------------------------ -/// Install the utility function into a process -/// -/// @param[in] error_stream -/// A stream to print parse errors and warnings to. -/// -/// @param[in] exe_ctx -/// The execution context to install the utility function to. -/// -/// @return -/// True on success (no errors); false otherwise. -//------------------------------------------------------------------ -bool -ClangUtilityFunction::Install (Stream &error_stream, - ExecutionContext &exe_ctx) -{ - if (m_jit_start_addr != LLDB_INVALID_ADDRESS) - { - error_stream.PutCString("error: already installed\n"); - return false; - } - - //////////////////////////////////// - // Set up the target and compiler - // - - Target *target = exe_ctx.GetTargetPtr(); - - if (!target) - { - error_stream.PutCString ("error: invalid target\n"); - return false; - } - - Process *process = exe_ctx.GetProcessPtr(); - - if (!process) - { - error_stream.PutCString ("error: invalid process\n"); - return false; - } - - ////////////////////////// - // Parse the expression - // - - bool keep_result_in_memory = false; - - m_expr_decl_map.reset(new ClangExpressionDeclMap(keep_result_in_memory, exe_ctx)); - - if (!m_expr_decl_map->WillParse(exe_ctx, NULL)) - { - error_stream.PutCString ("error: current process state is unsuitable for expression parsing\n"); - return false; - } - - const bool generate_debug_info = true; - ClangExpressionParser parser(exe_ctx.GetBestExecutionContextScope(), *this, generate_debug_info); - - unsigned num_errors = parser.Parse (error_stream); - - if (num_errors) - { - error_stream.Printf ("error: %d errors parsing expression\n", num_errors); - - m_expr_decl_map.reset(); - - return false; - } - - ////////////////////////////////// - // JIT the output of the parser - // - - bool can_interpret = false; // should stay that way - - Error jit_error = parser.PrepareForExecution (m_jit_start_addr, - m_jit_end_addr, - m_execution_unit_sp, - exe_ctx, - can_interpret, - eExecutionPolicyAlways); - - if (m_jit_start_addr != LLDB_INVALID_ADDRESS) - { - m_jit_process_wp = process->shared_from_this(); - if (parser.GetGenerateDebugInfo()) - { - lldb::ModuleSP jit_module_sp ( m_execution_unit_sp->GetJITModule()); - - if (jit_module_sp) - { - ConstString const_func_name(FunctionName()); - FileSpec jit_file; - jit_file.GetFilename() = const_func_name; - jit_module_sp->SetFileSpecAndObjectName (jit_file, ConstString()); - m_jit_module_wp = jit_module_sp; - target->GetImages().Append(jit_module_sp); - } - } - } - -#if 0 - // jingham: look here - StreamFile logfile ("/tmp/exprs.txt", "a"); - logfile.Printf ("0x%16.16" PRIx64 ": func = %s, source =\n%s\n", - m_jit_start_addr, - m_function_name.c_str(), - m_function_text.c_str()); -#endif - - m_expr_decl_map->DidParse(); - - m_expr_decl_map.reset(); - - if (jit_error.Success()) - { - return true; - } - else - { - const char *error_cstr = jit_error.AsCString(); - if (error_cstr && error_cstr[0]) - error_stream.Printf ("error: %s\n", error_cstr); - else - error_stream.Printf ("error: expression can't be interpreted or run\n"); - return false; - } -} - - |