Mercurial > octave-nkf
view src/pt-unop.cc @ 15037:56b8eb7c9c04 classdef
improvements in parsing classdef
* liboctave/base-list.h (octave_base_list::octave_base_list (void),
octave_base_list::octave_base_list (const std::list<elt_type>&),
octave_base_list::operator = (const octave_base_list&),
octave_base_list::~octave_base_list (void)):
Now public.
* pt-classdef.h, pt-classdef.cc: New files.
* src/Makefile.am (PT_INCLUDES): Add pt-classdef.h to the list.
(PT_SRC): Add pt-classdef.cc to the list.
* pt-all.h: Include pt-classdef.h.
* ov.cc: Include ov-classdef.h.
* ov-classdef.cc: Include pt-classdef.h.
(cdef_class:make_meta_class): New method.
(F__meta_get_class__): Delete.
(F__superclass_reference__, F__meta_class_query__):
New functions.
* pt-id.h: Include oct-lvalue.h.
* pt-walk.h (tree_walker::visit_classdef (tree_classdef&),
tree_walker::visit_classdef_attribute (tree_classdef_attribute&),
tree_walker::visit_classdef_attribute_list (tree_classdef_attribute_list&),
tree_walker::visit_classdef_superclass (tree_classdef_superclass&),
tree_walker::visit_classdef_superclass_list (tree_classdef_superclass_list&),
tree_walker::visit_classdef_property (tree_classdef_property&),
tree_walker::visit_classdef_property_list (tree_classdef_property_list&),
tree_walker::visit_classdef_properties_block (tree_classdef_properties_block&),
tree_walker::visit_classdef_methods_list (tree_classdef_methods_list&),
tree_walker::visit_classdef_methods_block (tree_classdef_methods_block&),
tree_walker::visit_classdef_event (tree_classdef_event&),
tree_walker::visit_classdef_events_list (tree_classdef_events_list&),
tree_walker::visit_classdef_events_block (tree_classdef_events_block&),
tree_walker::visit_classdef_enum (tree_classdef_enum&),
tree_walker::visit_classdef_enum_list (tree_classdef_enum_list&),
tree_walker::visit_classdef_enum_block (tree_classdef_enum_block&),
tree_walker::visit_classdef_body (tree_classdef_body&)):
New virtual functions.
* token.h, token.cc (token::sc::mr, token::sc::cr, token::sc::pr,
token::mc::mr, token::mc::pr): Delete.
(token::sc::method_name, token::sc::package_name, token::sc::class_name,
token::mc::package_name, token::mc::class_name): New member variables.
(token::method_rec, token::class_rec, token::package_rec,
token::meta_class_rec, token::meta_package_rec): Delete.
(token::superclass_method_name, token::superclass_package_name,
token::superclass_class_name, token::meta_package_name,
token::meta_class_name): New methods.
(token::token (symbol_table::symbol_record*, int, int),
token::token (symbol_table::symbol_record*, symbol_table::symbol_record*, int, int),
token::token (symbol_table::symbol_record*, symbol_table::symbol_record*, symbol_table::symbol_record*, int, int)):
Delete.
(token::token (const std::string&, const std::string&, int, int),
token::token (const std::string&, const std::string&, const std::string&, int, int)):
New constructors.
(token::scls_rec_token, token::meta_rec_token): Delete enum values.
(token::scls_name_token, token::meta_rec_token): New enum values.
(token::~token): Delete sc and mc struct memebers.
* lex.ll, lex.h (lexical_feedback::parsing_classdef_get_method,
lexical_feedback::parsing_classdef_set_method)): New data members.
(lexical_feedback::lexical_feedback, lexical_feedback::init):
Initialize new data members.
(prep_lexer_for_classdef_file): New function.
(CLASSDEF_FILE_BEGIN): New exclusive start state.
(handle_superclass_identifier, handle_meta_identifier): Split
identifier here and create token with character strings.
(display_token): Handle CLASSDEF_FILE.
(display_state): Handle CLASSDEF_FILE_BEGIN.
* oct-parse.yy: Include ov-classdef.h and pt-funcall.h.
(classdef_object): New static variable.
(make_superclass_ref, make_meta_class_query, make_classdef,
make_classdef_properties_block, make_classdef_methods_block,
make_classdef_events_block, make_classdef_enum_block)): New functions.
(dummy_type): Delete unused nonterminal type.
(tok_type, tree_funcall_type, tree_function_def_type,
tree_classdef_type, tree_classdef_attribute_type,
tree_classdef_attribute_list_type, tree_classdef_superclass_type,
tree_classdef_superclass_list_type, tree_classdef_body_type,
tree_classdef_property_type, tree_classdef_property_list_type,
tree_classdef_properties_block_type, tree_classdef_methods_list_type,
tree_classdef_methods_block_type, tree_classdef_event_type,
tree_classdef_events_list_type, tree_classdef_events_block_type,
tree_classdef_enum_type, tree_classdef_enum_list_type,
tree_classdef_enum_block_type):
New types for nonterminals.
(CLASSDEF): Declare to have a tok_val token value.
(CLASSDEF_FILE): New token.
(classdef_end, properties_beg, methods_beg, events_beg, enum_beg,
classdef1): Delete nonterminals.
(property_list): Rename from properties_list.
(attr, class_event, class_enum, class_property, property_list,
properties_block, methods_list, methods_block, opt_attr_list,
attr_list, events_list, events_blcok, enum_list, enum_block,
class_body, classdef): Declare with specific types. Create parse tree
objects for these nonterminals.
(classdef_file): New nonterminal.
(parse_fcn_file): Handle classdef files. Don't treat classdef files
as scripts.
(command): Don't handle classdef here.
(input): Accept classdef_file here.
(fcn_name): If GET, set lexer_flags.parsing_classdef_get_method.
If SET, set lexer_flags.parsing_classdef_set_method.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Fri, 27 Jul 2012 17:10:25 -0400 |
parents | 72c96de7a403 |
children | d174210ce1ec |
line wrap: on
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/* Copyright (C) 1996-2012 John W. Eaton 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 <http://www.gnu.org/licenses/>. */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include "error.h" #include "oct-obj.h" #include "oct-lvalue.h" #include "ov.h" #include "profiler.h" #include "pt-bp.h" #include "pt-unop.h" #include "pt-walk.h" // Unary expressions. std::string tree_unary_expression::oper (void) const { return octave_value::unary_op_as_string (etype); } // Prefix expressions. octave_value_list tree_prefix_expression::rvalue (int nargout) { octave_value_list retval; if (nargout > 1) error ("prefix operator `%s': invalid number of output arguments", oper () . c_str ()); else retval = rvalue1 (nargout); return retval; } octave_value tree_prefix_expression::rvalue1 (int) { octave_value retval; if (error_state) return retval; if (op) { if (etype == octave_value::op_incr || etype == octave_value::op_decr) { octave_lvalue ref = op->lvalue (); if (! error_state) { BEGIN_PROFILER_BLOCK ("prefix " + oper ()) ref.do_unary_op (etype); if (! error_state) retval = ref.value (); END_PROFILER_BLOCK } } else { octave_value val = op->rvalue1 (); if (! error_state && val.is_defined ()) { BEGIN_PROFILER_BLOCK ("prefix " + oper ()) // Attempt to do the operation in-place if it is unshared // (a temporary expression). if (val.get_count () == 1) retval = val.do_non_const_unary_op (etype); else retval = ::do_unary_op (etype, val); if (error_state) retval = octave_value (); END_PROFILER_BLOCK } } } return retval; } tree_expression * tree_prefix_expression::dup (symbol_table::scope_id scope, symbol_table::context_id context) const { tree_prefix_expression *new_pe = new tree_prefix_expression (op ? op->dup (scope, context) : 0, line (), column (), etype); new_pe->copy_base (*this); return new_pe; } void tree_prefix_expression::accept (tree_walker& tw) { tw.visit_prefix_expression (*this); } // Postfix expressions. octave_value_list tree_postfix_expression::rvalue (int nargout) { octave_value_list retval; if (nargout > 1) error ("postfix operator `%s': invalid number of output arguments", oper () . c_str ()); else retval = rvalue1 (nargout); return retval; } octave_value tree_postfix_expression::rvalue1 (int) { octave_value retval; if (error_state) return retval; if (op) { if (etype == octave_value::op_incr || etype == octave_value::op_decr) { octave_lvalue ref = op->lvalue (); if (! error_state) { retval = ref.value (); BEGIN_PROFILER_BLOCK ("postfix " + oper ()) ref.do_unary_op (etype); END_PROFILER_BLOCK } } else { octave_value val = op->rvalue1 (); if (! error_state && val.is_defined ()) { BEGIN_PROFILER_BLOCK ("postfix " + oper ()) retval = ::do_unary_op (etype, val); if (error_state) retval = octave_value (); END_PROFILER_BLOCK } } } return retval; } tree_expression * tree_postfix_expression::dup (symbol_table::scope_id scope, symbol_table::context_id context) const { tree_postfix_expression *new_pe = new tree_postfix_expression (op ? op->dup (scope, context) : 0, line (), column (), etype); new_pe->copy_base (*this); return new_pe; } void tree_postfix_expression::accept (tree_walker& tw) { tw.visit_postfix_expression (*this); }