forked from OSchip/llvm-project
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
//===-- GoUserExpression.h --------------------------------------*- 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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#ifndef liblldb_GoUserExpression_h_
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#define liblldb_GoUserExpression_h_
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// C Includes
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// C++ Includes
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#include <memory>
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// Other libraries and framework includes
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// Project includes
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#include "lldb/lldb-forward.h"
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#include "lldb/lldb-private.h"
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#include "lldb/Expression/UserExpression.h"
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#include "lldb/Expression/ExpressionVariable.h"
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#include "lldb/Target/ExecutionContext.h"
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namespace lldb_private
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{
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class GoParser;
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class GoPersistentExpressionState : public PersistentExpressionState
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{
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public:
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GoPersistentExpressionState();
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ConstString GetNextPersistentVariableName() override;
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void RemovePersistentVariable(lldb::ExpressionVariableSP variable) override;
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lldb::addr_t
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LookupSymbol(const ConstString &name) override
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{
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return LLDB_INVALID_ADDRESS;
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}
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static bool
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classof(const PersistentExpressionState *pv)
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{
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return pv->getKind() == PersistentExpressionState::eKindGo;
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}
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private:
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uint32_t m_next_persistent_variable_id; ///< The counter used by GetNextResultName().
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};
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//----------------------------------------------------------------------
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/// @class GoUserExpression GoUserExpression.h "lldb/Expression/GoUserExpression.h"
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/// @brief Encapsulates a single expression for use with Go
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///
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/// LLDB uses expressions for various purposes, notably to call functions
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/// and as a backend for the expr command. GoUserExpression encapsulates
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/// the objects needed to parse and interpret an expression.
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//----------------------------------------------------------------------
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class GoUserExpression : public UserExpression
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{
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public:
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GoUserExpression(ExecutionContextScope &exe_scope, const char *expr, const char *expr_prefix,
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lldb::LanguageType language, ResultType desired_type, const EvaluateExpressionOptions &options);
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bool
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Parse(DiagnosticManager &diagnostic_manager, ExecutionContext &exe_ctx,
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lldb_private::ExecutionPolicy execution_policy, bool keep_result_in_memory,
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bool generate_debug_info) override;
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bool
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CanInterpret() override
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{
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return true;
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}
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bool
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FinalizeJITExecution(DiagnosticManager &diagnostic_manager, ExecutionContext &exe_ctx,
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lldb::ExpressionVariableSP &result,
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lldb::addr_t function_stack_bottom = LLDB_INVALID_ADDRESS,
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lldb::addr_t function_stack_top = LLDB_INVALID_ADDRESS) override
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{
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return true;
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}
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protected:
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lldb::ExpressionResults
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DoExecute(DiagnosticManager &diagnostic_manager, ExecutionContext &exe_ctx,
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const EvaluateExpressionOptions &options, lldb::UserExpressionSP &shared_ptr_to_me,
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lldb::ExpressionVariableSP &result) override;
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private:
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class GoInterpreter;
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std::unique_ptr<GoInterpreter> m_interpreter;
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};
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} // namespace lldb_private
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#endif // liblldb_GoUserExpression_h_
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