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Copyright (C) 1996, 1997, 2000, 2001, 2002, 2004, 2005, 2006, 2007
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This file is part of Octave.
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Octave is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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Octave is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with Octave; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>.
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#if !defined (octave_tree_stmt_h)
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#define octave_tree_stmt_h 1
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class octave_value_list;
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class tree_expression;
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#include "base-list.h"
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#include "comment-list.h"
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// A statement is either a command to execute or an expression to
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: cmd (0), expr (0), comm (0), print_flag (true) { }
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tree_statement (tree_command *c, octave_comment_list *cl)
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: cmd (c), expr (0), comm (cl), print_flag (true) { }
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tree_statement (tree_expression *e, octave_comment_list *cl)
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: cmd (0), expr (e), comm (cl), print_flag (true) { }
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~tree_statement (void);
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void set_print_flag (bool print) { print_flag = print; }
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bool is_command (void) { return cmd != 0; }
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bool is_expression (void) { return expr != 0; }
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void maybe_echo_code (bool in_function_body);
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bool print_result (void) { return print_flag; }
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tree_command *command (void) { return cmd; }
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octave_value_list eval (bool silent, int nargout, bool in_function_body);
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tree_expression *expression (void) { return expr; }
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octave_comment_list *comment_text (void) { return comm; }
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// Allow modification of this statement. Note that there is no
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// checking. If you use these, are you sure you knwo what you are
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void set_command (tree_command *c) { cmd = c; }
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void set_expression (tree_expression *e) { expr = e; }
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tree_statement *dup (symbol_table *sym_tab);
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void accept (tree_walker& tw);
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// Only one of cmd or expr can be valid at once.
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// Command to execute.
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// Expression to evaluate.
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tree_expression *expr;
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// Comment associated with this statement.
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octave_comment_list *comm;
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// Print result of eval for this command?
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tree_statement (const tree_statement&);
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tree_statement& operator = (const tree_statement&);
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// A list of statements to evaluate.
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tree_statement_list : public octave_base_list<tree_statement *>
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tree_statement_list (void)
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: function_body (false) { }
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tree_statement_list (tree_statement *s)
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: function_body (false) { append (s); }
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~tree_statement_list (void)
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iterator p = begin ();
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void mark_as_function_body (void) { function_body = true; }
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octave_value_list eval (bool silent = false, int nargout = 0);
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int set_breakpoint (int line);
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void delete_breakpoint (int line);
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octave_value_list list_breakpoints (void);
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tree_statement_list *dup (symbol_table *sym_tab);
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void accept (tree_walker& tw);
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// Does this list of statements make up the body of a function?
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tree_statement_list (const tree_statement_list&);
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tree_statement_list& operator = (const tree_statement_list&);
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// Pointer to the current statement being executed.
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extern tree_statement *curr_statement;
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// Pointer to the current statement being executed in the calling function.
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extern tree_statement *curr_caller_statement;
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;;; Local Variables: ***
added
removed
src/pt-stmt.h
