Mercurial > octave
view libinterp/parse-tree/pt-stmt.cc @ 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 | 79cfa1b7a813 |
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 (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" OCTAVE_BEGIN_NAMESPACE(octave) // A list of commands to be executed. tree_statement::~tree_statement () { delete m_command; delete m_expression; } void tree_statement::set_print_flag (bool print_flag) { if (m_expression) m_expression->set_print_flag (print_flag); } bool tree_statement::print_result () { 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 () { if (m_command) m_command->delete_breakpoint (); else if (m_expression) m_expression->delete_breakpoint (); } bool tree_statement::is_breakpoint () 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); } comment_list tree_statement::leading_comments () const { return (m_command ? m_command->leading_comments () : m_expression->leading_comments ()); } filepos tree_statement::beg_pos () const { return (m_command ? m_command->beg_pos () : m_expression->beg_pos ()); } filepos tree_statement::end_pos () const { return (m_command ? m_command->end_pos () : m_expression->end_pos ()); } void tree_statement::update_end_pos (const filepos& pos) { if (m_command) m_command->update_end_pos (pos); else error ("unexpected call to tree_statement::update_end_pos - please report this bug"); } 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 () const { return (m_command ? m_command->line () : (m_expression ? m_expression->line () : -1)); } int tree_statement::column () const { return (m_command ? m_command->column () : (m_expression ? m_expression->column () : -1)); } 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 () 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 () 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; } comment_list tree_statement_list::leading_comments () const { if (! empty ()) { tree_statement *elt = front (); if (elt) return elt->leading_comments (); } return comment_list (); } // 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 () { 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 () { 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; } OCTAVE_END_NAMESPACE(octave)