File Manager

003 File Manager

Current Path: /usr/src/contrib/llvm-project/lldb/include/lldb/Expression

usr / src / contrib / llvm-project / lldb / include / lldb / Expression /

📁 ..
📄 DWARFExpression.h(9.9 KB)
📄 DiagnosticManager.h(4.16 KB)
📄 DynamicCheckerFunctions.h(2.07 KB)
📄 Expression.h(3.76 KB)
📄 ExpressionParser.h(5.08 KB)
📄 ExpressionSourceCode.h(1.18 KB)
📄 ExpressionTypeSystemHelper.h(1.35 KB)
📄 ExpressionVariable.h(8.38 KB)
📄 FunctionCaller.h(12.98 KB)
📄 IRExecutionUnit.h(15.17 KB)
📄 IRInterpreter.h(1.84 KB)
📄 IRMemoryMap.h(5.6 KB)
📄 LLVMUserExpression.h(5.03 KB)
📄 Materializer.h(4.21 KB)
📄 REPL.h(5.03 KB)
📄 UserExpression.h(12.4 KB)
📄 UtilityFunction.h(4.61 KB)

Editing: Expression.h

//===-- Expression.h --------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLDB_EXPRESSION_EXPRESSION_H
#define LLDB_EXPRESSION_EXPRESSION_H

#include <map>
#include <string>
#include <vector>

#include "lldb/Expression/ExpressionTypeSystemHelper.h"
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private.h"

namespace lldb_private {

class RecordingMemoryManager;

/// \class Expression Expression.h "lldb/Expression/Expression.h" Encapsulates
/// a single expression for use in lldb
///
/// LLDB uses expressions for various purposes, notably to call functions
/// and as a backend for the expr command.  Expression encapsulates the
/// objects needed to parse and interpret or JIT an expression.  It uses the
/// expression parser appropriate to the language of the expression to produce
/// LLVM IR from the expression.
class Expression {
public:
  enum ResultType { eResultTypeAny, eResultTypeId };

Expression(Target &target);

Expression(ExecutionContextScope &exe_scope);

/// Destructor
  virtual ~Expression() {}

/// Return the string that the parser should parse.  Must be a full
  /// translation unit.
  virtual const char *Text() = 0;

/// Return the function name that should be used for executing the
  /// expression.  Text() should contain the definition of this function.
  virtual const char *FunctionName() = 0;

/// Return the language that should be used when parsing.  To use the
  /// default, return eLanguageTypeUnknown.
  virtual lldb::LanguageType Language() const {
    return lldb::eLanguageTypeUnknown;
  }

/// Return the Materializer that the parser should use when registering
  /// external values.
  virtual Materializer *GetMaterializer() { return nullptr; }

/// Return the desired result type of the function, or eResultTypeAny if
  /// indifferent.
  virtual ResultType DesiredResultType() { return eResultTypeAny; }

/// Flags

/// Return true if validation code should be inserted into the expression.
  virtual bool NeedsValidation() = 0;

/// Return true if external variables in the expression should be resolved.
  virtual bool NeedsVariableResolution() = 0;

virtual EvaluateExpressionOptions *GetOptions() { return nullptr; };

/// Return the address of the function's JIT-compiled code, or
  /// LLDB_INVALID_ADDRESS if the function is not JIT compiled
  lldb::addr_t StartAddress() { return m_jit_start_addr; }

/// Called to notify the expression that it is about to be executed.
  virtual void WillStartExecuting() {}

/// Called to notify the expression that its execution has finished.
  virtual void DidFinishExecuting() {}

virtual ExpressionTypeSystemHelper *GetTypeSystemHelper() { return nullptr; }

// LLVM RTTI support
  virtual bool isA(const void *ClassID) const = 0;

protected:
  lldb::TargetWP m_target_wp; /// Expression's always have to have a target...
  lldb::ProcessWP m_jit_process_wp; /// An expression might have a process, but
                                    /// it doesn't need to (e.g. calculator
                                    /// mode.)
  lldb::addr_t m_jit_start_addr; ///< The address of the JITted function within
                                 ///the JIT allocation.  LLDB_INVALID_ADDRESS if
                                 ///invalid.
  lldb::addr_t m_jit_end_addr;   ///< The address of the JITted function within
                                 ///the JIT allocation.  LLDB_INVALID_ADDRESS if
                                 ///invalid.
};

} // namespace lldb_private

#endif // LLDB_EXPRESSION_EXPRESSION_H

003 File Manager

Editing: Expression.h

Upload File

Create Folder