Mercurial > octave
view libinterp/parse-tree/pt-except.h @ 33435:066a27297ba3 bytecode-interpreter
maint: Merge default to bytecode-interpreter
author | Arun Giridhar <arungiridhar@gmail.com> |
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date | Fri, 19 Apr 2024 12:57:20 -0400 |
parents | d422992b5483 |
children |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2024 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // This file is part of Octave. // // Octave is free software: you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Octave is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Octave; see the file COPYING. If not, see // <https://www.gnu.org/licenses/>. // //////////////////////////////////////////////////////////////////////// #if ! defined (octave_pt_except_h) #define octave_pt_except_h 1 #include "octave-config.h" #include "pt-cmd.h" #include "pt-id.h" #include "pt-walk.h" OCTAVE_BEGIN_NAMESPACE(octave) class comment_list; class tree_statement_list; // Simple exception handling. class tree_try_catch_command : public tree_command { public: tree_try_catch_command (const token try_tok, tree_statement_list *tc, const token catch_tok, tree_identifier *id, tree_statement_list *cc, const token& end_tok) : m_try_tok (try_tok), m_try_code (tc), m_catch_tok (catch_tok), m_expr_id (id), m_catch_code (cc), m_end_tok (end_tok) { } OCTAVE_DISABLE_COPY_MOVE (tree_try_catch_command) ~tree_try_catch_command (); filepos beg_pos () const { return m_try_tok.beg_pos (); } filepos end_pos () const { return m_end_tok.end_pos (); } tree_identifier * identifier () { return m_expr_id; } tree_statement_list * body () { return m_try_code; } tree_statement_list * cleanup () { return m_catch_code; } void accept (tree_walker& tw) { tw.visit_try_catch_command (*this); } private: token m_try_tok; // The first block of code to attempt to execute. tree_statement_list *m_try_code; token m_catch_tok; // Identifier to modify. tree_identifier *m_expr_id; // The code to execute if an error occurs in the first block. tree_statement_list *m_catch_code; token m_end_tok; }; // Simple exception handling. class tree_unwind_protect_command : public tree_command { public: tree_unwind_protect_command (const token& unwind_tok, tree_statement_list *tc, const token& cleanup_tok, tree_statement_list *cc, const token& end_tok) : m_unwind_tok (unwind_tok), m_unwind_protect_code (tc), m_cleanup_tok (cleanup_tok), m_cleanup_code (cc), m_end_tok (end_tok) { } OCTAVE_DISABLE_COPY_MOVE (tree_unwind_protect_command) ~tree_unwind_protect_command (); filepos beg_pos () const { return m_unwind_tok.beg_pos (); } filepos end_pos () const { return m_end_tok.end_pos (); } tree_statement_list * body () { return m_unwind_protect_code; } tree_statement_list * cleanup () { return m_cleanup_code; } void accept (tree_walker& tw) { tw.visit_unwind_protect_command (*this); } private: token m_unwind_tok; // The first body of code to attempt to execute. tree_statement_list *m_unwind_protect_code; token m_cleanup_tok; // The body of code to execute no matter what happens in the first // body of code. tree_statement_list *m_cleanup_code; token m_end_tok; }; OCTAVE_END_NAMESPACE(octave) #endif