Mercurial > octave
view libinterp/parse-tree/pt-stmt.cc @ 30920:47cbc69e66cd
eliminate direct access to call stack from evaluator
The call stack is an internal implementation detail of the evaluator.
Direct access to it outside of the evlauator should not be needed.
* pt-eval.h (tree_evaluator::get_call_stack): Delete.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 08 Apr 2022 15:19:22 -0400 |
parents | 796f54d4ddbf |
children | e88a07dec498 |
line wrap: on
line source
//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2022 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 (HAVE_CONFIG_H) # include "config.h" #endif #include <typeinfo> #include "quit.h" #include "bp-table.h" #include "comment-list.h" #include "event-manager.h" #include "input.h" #include "oct-lvalue.h" #include "ov.h" #include "pager.h" #include "pt-bp.h" #include "pt-cmd.h" #include "pt-eval.h" #include "pt-id.h" #include "pt-idx.h" #include "pt-jump.h" #include "pt-pr-code.h" #include "pt-stmt.h" #include "utils.h" #include "variables.h" namespace octave { // A list of commands to be executed. tree_statement::~tree_statement (void) { delete m_command; delete m_expression; delete m_comment_list; } void tree_statement::set_print_flag (bool print_flag) { if (m_expression) m_expression->set_print_flag (print_flag); } bool tree_statement::print_result (void) { return m_expression && m_expression->print_result (); } void tree_statement::set_breakpoint (const std::string& condition) { if (m_command) m_command->set_breakpoint (condition); else if (m_expression) m_expression->set_breakpoint (condition); } void tree_statement::delete_breakpoint (void) { if (m_command) m_command->delete_breakpoint (); else if (m_expression) m_expression->delete_breakpoint (); } bool tree_statement::is_breakpoint (void) const { return m_command ? m_command->is_breakpoint () : (m_expression ? m_expression->is_breakpoint () : false); } bool tree_statement::is_active_breakpoint (tree_evaluator& tw) const { return m_command ? m_command->is_active_breakpoint (tw) : (m_expression ? m_expression->is_active_breakpoint (tw) : false); } std::string tree_statement::bp_cond () const { return (m_command ? m_command->bp_cond () : (m_expression ? m_expression->bp_cond () : "0")); } int tree_statement::line (void) const { return (m_command ? m_command->line () : (m_expression ? m_expression->line () : -1)); } int tree_statement::column (void) const { return (m_command ? m_command->column () : (m_expression ? m_expression->column () : -1)); } void tree_statement::set_location (int l, int c) { if (m_command) m_command->set_location (l, c); else if (m_expression) m_expression->set_location (l, c); } void tree_statement::echo_code (const std::string& prefix) { tree_print_code tpc (octave_stdout, prefix); accept (tpc); } bool tree_statement::is_end_of_fcn_or_script (void) const { bool retval = false; if (m_command) { tree_no_op_command *no_op_cmd = dynamic_cast<tree_no_op_command *> (m_command); if (no_op_cmd) retval = no_op_cmd->is_end_of_fcn_or_script (); } return retval; } bool tree_statement::is_end_of_file (void) const { bool retval = false; if (m_command) { tree_no_op_command *no_op_cmd = dynamic_cast<tree_no_op_command *> (m_command); if (no_op_cmd) retval = no_op_cmd->is_end_of_file (); } return retval; } // Create a "breakpoint" tree-walker, and get it to "walk" this // statement list // (FIXME: What does that do???) int tree_statement_list::set_breakpoint (int line, const std::string& condition) { tree_breakpoint tbp (line, tree_breakpoint::set, condition); accept (tbp); return tbp.get_line (); } void tree_statement_list::delete_breakpoint (int line) { if (line < 0) { octave_value_list bp_lst = list_breakpoints (); int len = bp_lst.length (); for (int i = 0; i < len; i++) { tree_breakpoint tbp (i, tree_breakpoint::clear); accept (tbp); } } else { tree_breakpoint tbp (line, tree_breakpoint::clear); accept (tbp); } } octave_value_list tree_statement_list::list_breakpoints (void) { tree_breakpoint tbp (0, tree_breakpoint::list); accept (tbp); return tbp.get_list (); } // Get list of pairs (breakpoint line, breakpoint condition) std::list<bp_type> tree_statement_list::breakpoints_and_conds (void) { tree_breakpoint tbp (0, tree_breakpoint::list); accept (tbp); std::list<bp_type> retval; octave_value_list lines = tbp.get_list (); octave_value_list conds = tbp.get_cond_list (); for (int i = 0; i < lines.length (); i++) { retval.push_back (bp_type (lines(i).double_value (), conds(i).string_value ())); } return retval; } // Add breakpoints to file at multiple lines (the second arguments // of line), to stop only if condition is true. // Updates GUI via event_manager::update_breakpoint. // FIXME: COME BACK TO ME. bp_table::bp_lines tree_statement_list::add_breakpoint (event_manager& evmgr, const std::string& file, const bp_table::bp_lines& lines, const std::string& condition) { bp_table::bp_lines retval; for (const auto& lineno : lines) { int line = set_breakpoint (lineno, condition); if (line) { if (! file.empty ()) evmgr.update_breakpoint (true, file, line, condition); retval.insert (line); } } return retval; } bp_table::bp_lines tree_statement_list::remove_all_breakpoints (event_manager& evmgr, const std::string& file) { bp_table::bp_lines retval; octave_value_list bkpts = list_breakpoints (); for (int i = 0; i < bkpts.length (); i++) { int lineno = bkpts(i).int_value (); delete_breakpoint (lineno); retval.insert (lineno); if (! file.empty ()) evmgr.update_breakpoint (false, file, lineno); } return retval; } }