Mercurial > octave
view libinterp/parse-tree/pt-jump.h @ 33309:d422992b5483
refactor position tracking in the parser
This change replaces direct source line and column tracking in the
tree_* classes with the beginning and ending positions in tokens
created by the lexer. All line and column arguments for tree_*
constructors have been removed. More tree_* classes have been
modified to store tokens that are part of the syntax but not necessary
for evaluation.
Affected files: cdef-class.cc, ov-fcn.cc, ov-fcn.h, ov-usr-fcn.cc,
ov-usr-fcn.h, bp-table.cc, oct-parse.yy, parse.h, pt-arg-list.cc,
pt-arg-list.h, pt-args-block.h, pt-array-list.h, pt-assign.cc,
pt-assign.h, pt-binop.cc, pt-binop.h, pt-cbinop.cc, pt-cbinop.h,
pt-cell.cc, pt-cell.h, pt-classdef.cc, pt-classdef.h, pt-cmd.h,
pt-colon.cc, pt-colon.h, pt-const.cc, pt-const.h, pt-decl.cc,
pt-decl.h, pt-eval.cc, pt-except.h, pt-exp.h, pt-fcn-handle.cc,
pt-fcn-handle.h, pt-id.h, pt-idx.cc, pt-idx.h, pt-jump.h, pt-loop.h,
pt-mat.cc, pt-mat.h, pt-misc.h, pt-select.h, pt-spmd.h, pt-stmt.cc,
pt-stmt.h, pt-unop.cc, pt-unop.h, pt.cc, and pt.h.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 04 Apr 2024 00:58:56 -0400 |
parents | 2e484f9f1f18 |
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_jump_h) #define octave_pt_jump_h 1 #include "octave-config.h" #include "pt-cmd.h" #include "pt-walk.h" OCTAVE_BEGIN_NAMESPACE(octave) // Base class for jump commands class tree_jump_command : public tree_command { public: tree_jump_command (const token& tok) : m_token (tok) { } OCTAVE_DISABLE_COPY_MOVE (tree_jump_command) ~tree_jump_command () = default; filepos beg_pos () const { return m_token.beg_pos (); } filepos end_pos () const { return m_token.end_pos (); } protected: token m_token; }; // Break. class tree_break_command : public tree_jump_command { public: tree_break_command (const token& tok) : tree_jump_command (tok) { } OCTAVE_DISABLE_COPY_MOVE (tree_break_command) ~tree_break_command () = default; void accept (tree_walker& tw) { tw.visit_break_command (*this); } }; // Continue. class tree_continue_command : public tree_jump_command { public: tree_continue_command (const token& tok) : tree_jump_command (tok) { } OCTAVE_DISABLE_COPY_MOVE (tree_continue_command) ~tree_continue_command () = default; void accept (tree_walker& tw) { tw.visit_continue_command (*this); } }; // Return. class tree_return_command : public tree_jump_command { public: tree_return_command (const token& tok) : tree_jump_command (tok) { } OCTAVE_DISABLE_COPY_MOVE (tree_return_command) ~tree_return_command () = default; void accept (tree_walker& tw) { tw.visit_return_command (*this); } }; OCTAVE_END_NAMESPACE(octave) #endif