GNU Octave: lexical_feedback Class Reference

GNU Octave 4.0.0

A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab

All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Properties Friends Macros Pages

#include "lex.h"

Inheritance diagram for lexical_feedback:

Inheritance graph

Collaboration diagram for lexical_feedback:

Collaboration graph

Classes
class	bbp_nesting_level

class	symbol_table_context

class	token_cache

Public Member Functions
	lexical_feedback (void)

	~lexical_feedback (void)

void	init (void)

void	mark_as_variable (const std::string &nm)

void	mark_as_variables (const std::list< std::string > &lst)

void	mark_previous_token_trailing_space (void)

void	maybe_mark_previous_token_as_variable (void)

bool	previous_token_is_binop (void) const

bool	previous_token_is_keyword (void) const

bool	previous_token_may_be_command (void) const

int	previous_token_value (void) const

bool	previous_token_value_is (int tok_val) const

void	reset (void)

bool	space_follows_previous_token (void) const

Public Attributes
bool	at_beginning_of_statement

int	block_comment_nesting_level

int	braceflag

int	bracketflag

int	command_arg_paren_count

std::string	comment_text

int	current_input_column

std::string	current_input_line

int	defining_func

bool	end_of_input

std::string	fcn_file_full_name

std::string	fcn_file_name

bool	force_script

std::string	help_text

int	input_line_number

bool	looking_at_anon_fcn_args

bool	looking_at_decl_list

int	looking_at_function_handle

bool	looking_at_indirect_ref

bool	looking_at_initializer_expression

bool	looking_at_matrix_or_assign_lhs

std::list< bool >	looking_at_object_index

bool	looking_at_parameter_list

bool	looking_at_return_list

bool	looking_for_object_index

int	looping

bool	maybe_classdef_get_set_method

bbp_nesting_level	nesting_level

std::stack< bool >	parsed_function_name

bool	parsing_class_method

bool	parsing_classdef

bool	parsing_classdef_get_method

bool	parsing_classdef_set_method

std::set< std::string >	pending_local_variables

bool	quote_is_transpose

bool	reading_classdef_file

bool	reading_fcn_file

bool	reading_script_file

int	string_column

int	string_line

std::string	string_text

symbol_table_context	symtab_context

size_t	token_count

token_cache	tokens

Private Member Functions
	lexical_feedback (const lexical_feedback &)

lexical_feedback &	operator= (const lexical_feedback &)

Detailed Description

Definition at line 41 of file lex.h.

Constructor & Destructor Documentation

lexical_feedback::lexical_feedback ( void )

inline

Definition at line 256 of file lex.h.

lexical_feedback::~lexical_feedback ( void )

Definition at line 4630 of file lex.cc.

References lexical_feedback::token_cache::clear(), and tokens.

lexical_feedback::lexical_feedback ( const lexical_feedback & )

private

Member Function Documentation

void lexical_feedback::init ( void )

Definition at line 4636 of file lex.cc.

References looking_at_object_index.

void lexical_feedback::mark_as_variable ( const std::string & nm )

void lexical_feedback::mark_as_variables ( const std::list< std::string > & lst )

Definition at line 4768 of file lex.cc.

References pending_local_variables.

Referenced by octave_base_parser::validate_matrix_for_assignment().

void lexical_feedback::mark_previous_token_trailing_space ( void )

Definition at line 4709 of file lex.cc.

References lexical_feedback::token_cache::front(), token::mark_trailing_space(), previous_token_value_is(), and tokens.

Referenced by octave_base_lexer::handle_continuation().

void lexical_feedback::maybe_mark_previous_token_as_variable ( void )

Definition at line 4759 of file lex.cc.

References lexical_feedback::token_cache::front(), token::is_symbol(), pending_local_variables, token::symbol_name(), and tokens.

lexical_feedback& lexical_feedback::operator= ( const lexical_feedback & )

private

bool lexical_feedback::previous_token_is_binop ( void ) const

Definition at line 4724 of file lex.cc.

References ADD_EQ, AND_EQ, DIV_EQ, EDIV, EDIV_EQ, ELEFTDIV, ELEFTDIV_EQ, EMINUS, EMUL, EMUL_EQ, EPOW, EPOW_EQ, EXPR_AND, EXPR_AND_AND, EXPR_EQ, EXPR_GE, EXPR_GT, EXPR_LE, EXPR_LT, EXPR_NE, EXPR_NOT, EXPR_OR, EXPR_OR_OR, LEFTDIV, LEFTDIV_EQ, LSHIFT, LSHIFT_EQ, MUL_EQ, OR_EQ, POW, POW_EQ, previous_token_value(), RSHIFT, RSHIFT_EQ, and SUB_EQ.

Referenced by octave_base_lexer::maybe_unput_comma_before_unary_op().

bool lexical_feedback::previous_token_is_keyword ( void ) const

Definition at line 4745 of file lex.cc.

References lexical_feedback::token_cache::front(), token::is_keyword(), and tokens.

bool lexical_feedback::previous_token_may_be_command ( void ) const

Definition at line 4752 of file lex.cc.

References lexical_feedback::token_cache::front(), token::may_be_command(), and tokens.

Referenced by octave_base_lexer::looks_like_command_arg().

int lexical_feedback::previous_token_value ( void ) const

Definition at line 4695 of file lex.cc.

References lexical_feedback::token_cache::front(), token::token_value(), and tokens.

Referenced by octave_base_lexer::maybe_unput_comma_before_unary_op(), and previous_token_is_binop().

bool lexical_feedback::previous_token_value_is ( int tok_val ) const

Definition at line 4702 of file lex.cc.

References lexical_feedback::token_cache::front(), token::token_value_is(), and tokens.

Referenced by mark_previous_token_trailing_space().

void lexical_feedback::reset ( void )

Definition at line 4644 of file lex.cc.

References at_beginning_of_statement, block_comment_nesting_level, braceflag, bracketflag, lexical_feedback::token_cache::clear(), command_arg_paren_count, comment_text, current_input_column, current_input_line, defining_func, end_of_input, fcn_file_full_name, fcn_file_name, force_script, help_text, input_line_number, looking_at_anon_fcn_args, looking_at_decl_list, looking_at_function_handle, looking_at_indirect_ref, looking_at_initializer_expression, looking_at_matrix_or_assign_lhs, looking_at_object_index, looking_at_parameter_list, looking_at_return_list, looking_for_object_index, looping, maybe_classdef_get_set_method, nesting_level, parsed_function_name, parsing_class_method, parsing_classdef, parsing_classdef_get_method, parsing_classdef_set_method, reading_classdef_file, reading_fcn_file, reading_script_file, lexical_feedback::bbp_nesting_level::reset(), string_column, string_line, string_text, token_count, and tokens.

Referenced by octave_base_lexer::reset().

bool lexical_feedback::space_follows_previous_token ( void ) const

Definition at line 4717 of file lex.cc.

References lexical_feedback::token_cache::front(), token::space_follows_token(), and tokens.

Referenced by octave_base_lexer::looks_like_command_arg(), and octave_base_lexer::maybe_unput_comma_before_unary_op().

Member Data Documentation

bool lexical_feedback::at_beginning_of_statement

Definition at line 313 of file lex.h.

Referenced by octave_base_lexer::finish_comment(), octave_base_lexer::handle_continuation(), octave_base_lexer::handle_identifier(), octave_base_lexer::handle_number(), octave_base_lexer::handle_op_internal(), octave_base_lexer::is_keyword_token(), and reset().

int lexical_feedback::block_comment_nesting_level

Definition at line 398 of file lex.h.

Referenced by octave_base_lexer::handle_end_of_input(), and reset().

int lexical_feedback::braceflag

Definition at line 386 of file lex.h.

Referenced by octave_base_lexer::handle_close_bracket(), and reset().

int lexical_feedback::bracketflag

Definition at line 383 of file lex.h.

Referenced by octave_base_lexer::handle_close_bracket(), and reset().

int lexical_feedback::command_arg_paren_count

Definition at line 401 of file lex.h.

Referenced by reset().

std::string lexical_feedback::comment_text

Definition at line 411 of file lex.h.

Referenced by octave_base_lexer::finish_comment(), octave_base_lexer::handle_continuation(), and reset().

int lexical_feedback::current_input_column

Definition at line 380 of file lex.h.

Referenced by octave_base_lexer::begin_string(), octave_base_parser::bison_error(), octave_base_lexer::count_token(), octave_base_lexer::handle_continuation(), octave_base_lexer::handle_fq_identifier(), octave_base_lexer::handle_identifier(), octave_base_lexer::handle_meta_identifier(), octave_base_lexer::handle_number(), octave_base_lexer::handle_op_internal(), octave_base_lexer::handle_superclass_identifier(), octave_base_lexer::handle_token(), octave_base_lexer::is_keyword_token(), octave_base_parser::make_anon_fcn_handle(), and reset().

std::string lexical_feedback::current_input_line

Definition at line 408 of file lex.h.

Referenced by octave_base_parser::bison_error(), octave_lexer::fill_flex_buffer(), and reset().

int lexical_feedback::defining_func

Definition at line 392 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), octave_base_parser::recover_from_parsing_function(), and reset().

bool lexical_feedback::end_of_input

Definition at line 309 of file lex.h.

Referenced by eval_string(), main_loop(), and reset().

std::string lexical_feedback::fcn_file_full_name

Definition at line 427 of file lex.h.

Referenced by octave_base_parser::bison_error(), octave_base_parser::frob_function(), octave_base_lexer::gripe_language_extension(), octave_base_lexer::gripe_single_quote_string(), octave_base_lexer::is_keyword_token(), octave_base_parser::make_decl_command(), octave_base_parser::make_script(), octave_base_parser::maybe_warn_assign_as_truth_value(), octave_base_parser::maybe_warn_missing_semi(), octave_base_lexer::maybe_warn_separator_insert(), octave_base_parser::maybe_warn_variable_switch_label(), parse_fcn_file(), and reset().

std::string lexical_feedback::fcn_file_name

Definition at line 424 of file lex.h.

Referenced by octave_base_parser::frob_function(), octave_base_lexer::handle_end_of_input(), octave_base_parser::make_classdef(), octave_base_parser::make_script(), parse_fcn_file(), and reset().

bool lexical_feedback::force_script

Definition at line 365 of file lex.h.

Referenced by octave_base_parser::frob_function(), octave_base_lexer::is_keyword_token(), parse_fcn_file(), and reset().

std::string lexical_feedback::help_text

Definition at line 414 of file lex.h.

Referenced by octave_base_lexer::finish_comment(), octave_base_parser::frob_function(), octave_base_parser::make_script(), and reset().

int lexical_feedback::input_line_number

bool lexical_feedback::looking_at_anon_fcn_args

Definition at line 316 of file lex.h.

Referenced by reset().

bool lexical_feedback::looking_at_decl_list

Definition at line 326 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), and reset().

int lexical_feedback::looking_at_function_handle

Definition at line 395 of file lex.h.

Referenced by octave_base_lexer::handle_identifier(), and reset().

bool lexical_feedback::looking_at_indirect_ref

Definition at line 341 of file lex.h.

Referenced by octave_base_lexer::handle_identifier(), octave_base_parser::make_indirect_ref(), and reset().

bool lexical_feedback::looking_at_initializer_expression

Definition at line 330 of file lex.h.

Referenced by reset().

bool lexical_feedback::looking_at_matrix_or_assign_lhs

Definition at line 334 of file lex.h.

Referenced by reset().

std::list<bool> lexical_feedback::looking_at_object_index

Definition at line 431 of file lex.h.

Referenced by init(), octave_base_lexer::inside_any_object_index(), reset(), and octave_base_lexer::whitespace_is_significant().

bool lexical_feedback::looking_at_parameter_list

Definition at line 322 of file lex.h.

Referenced by octave_base_parser::recover_from_parsing_function(), and reset().

bool lexical_feedback::looking_at_return_list

Definition at line 319 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), octave_base_parser::recover_from_parsing_function(), and reset().

bool lexical_feedback::looking_for_object_index

Definition at line 337 of file lex.h.

Referenced by octave_base_lexer::handle_identifier(), octave_base_lexer::handle_number(), octave_base_lexer::handle_op_internal(), and reset().

int lexical_feedback::looping

Definition at line 389 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), octave_base_parser::make_do_until_command(), octave_base_parser::make_for_command(), octave_base_parser::make_while_command(), and reset().

bool lexical_feedback::maybe_classdef_get_set_method

Definition at line 352 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), and reset().

bbp_nesting_level lexical_feedback::nesting_level

Definition at line 446 of file lex.h.

Referenced by octave_base_lexer::finish_comment(), octave_base_lexer::handle_close_bracket(), reset(), and octave_base_lexer::whitespace_is_significant().

std::stack<bool> lexical_feedback::parsed_function_name

Definition at line 436 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), octave_base_parser::recover_from_parsing_function(), and reset().

bool lexical_feedback::parsing_class_method

Definition at line 344 of file lex.h.

Referenced by octave_base_parser::frob_function(), parse_fcn_file(), and reset().

bool lexical_feedback::parsing_classdef

Definition at line 347 of file lex.h.

Referenced by octave_base_lexer::is_keyword_token(), and reset().

bool lexical_feedback::parsing_classdef_get_method

Definition at line 355 of file lex.h.

Referenced by reset().

bool lexical_feedback::parsing_classdef_set_method

Definition at line 358 of file lex.h.

Referenced by reset().

std::set<std::string> lexical_feedback::pending_local_variables

Definition at line 439 of file lex.h.

Referenced by octave_base_lexer::is_variable(), mark_as_variables(), and maybe_mark_previous_token_as_variable().

bool lexical_feedback::quote_is_transpose

Definition at line 361 of file lex.h.

bool lexical_feedback::reading_classdef_file

Definition at line 374 of file lex.h.

Referenced by octave_base_parser::bison_error(), octave_base_parser::frob_function(), octave_base_lexer::handle_end_of_input(), octave_base_lexer::is_keyword_token(), parse_fcn_file(), octave_base_reader::reading_classdef_file(), reset(), and octave_base_lexer::reset().

bool lexical_feedback::reading_fcn_file

Definition at line 368 of file lex.h.

Referenced by octave_base_parser::bison_error(), octave_base_parser::finish_function(), octave_base_parser::frob_function(), octave_base_lexer::handle_end_of_input(), octave_base_lexer::is_keyword_token(), octave_base_reader::reading_fcn_file(), octave_base_parser::recover_from_parsing_function(), reset(), and octave_base_lexer::reset().

bool lexical_feedback::reading_script_file

Definition at line 371 of file lex.h.

Referenced by octave_base_parser::bison_error(), octave_base_parser::frob_function(), octave_base_lexer::handle_end_of_input(), octave_base_lexer::is_keyword_token(), octave_base_parser::make_decl_command(), octave_base_lexer::prep_for_file(), octave_base_reader::reading_script_file(), reset(), and octave_base_lexer::reset().

int lexical_feedback::string_column

Definition at line 421 of file lex.h.

Referenced by octave_base_lexer::begin_string(), and reset().

int lexical_feedback::string_line

Definition at line 420 of file lex.h.

Referenced by octave_base_lexer::begin_string(), and reset().

std::string lexical_feedback::string_text

Definition at line 417 of file lex.h.

Referenced by reset().

symbol_table_context lexical_feedback::symtab_context

Definition at line 442 of file lex.h.

Referenced by octave_base_lexer::handle_identifier(), octave_base_parser::make_anon_fcn_handle(), octave_base_parser::recover_from_parsing_function(), octave_base_lexer::reset(), and octave_base_parser::start_function().

size_t lexical_feedback::token_count

Definition at line 405 of file lex.h.

Referenced by octave_base_lexer::count_token_internal(), octave_base_lexer::is_keyword_token(), and reset().

token_cache lexical_feedback::tokens

Definition at line 449 of file lex.h.

Referenced by mark_previous_token_trailing_space(), maybe_mark_previous_token_as_variable(), previous_token_is_keyword(), previous_token_may_be_command(), previous_token_value(), previous_token_value_is(), octave_base_lexer::push_token(), reset(), space_follows_previous_token(), and ~lexical_feedback().

The documentation for this class was generated from the following files:

libinterp/parse-tree/lex.h
libinterp/parse-tree/lex.cc