GNU Octave  6.2.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
Classes | Public Member Functions | Public Attributes | List of all members
octave::lexical_feedback Class Reference

#include "lex.h"

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Classes

class  bbp_nesting_level
 
class  symbol_table_context
 
class  token_cache
 

Public Member Functions

 lexical_feedback (const lexical_feedback &)=delete
 
 lexical_feedback (interpreter &interp)
 
 ~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)
 
lexical_feedback & operator= (const lexical_feedback &)=delete
 
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 m_allow_command_syntax
 
bool m_at_beginning_of_statement
 
int m_block_comment_nesting_level
 
int m_braceflag
 
int m_bracketflag
 
bool m_buffer_function_text
 
int m_command_arg_paren_count
 
std::string m_comment_text
 
std::string m_current_input_line
 
int m_defining_func
 
std::string m_dir_name
 
bool m_end_of_input
 
std::string m_fcn_file_full_name
 
std::string m_fcn_file_name
 
filepos m_filepos
 
bool m_force_script
 
std::string m_function_text
 
std::string m_help_text
 
interpreter & m_interpreter
 
bool m_looking_at_anon_fcn_args
 
bool m_looking_at_decl_list
 
int m_looking_at_function_handle
 
bool m_looking_at_indirect_ref
 
bool m_looking_at_initializer_expression
 
bool m_looking_at_matrix_or_assign_lhs
 
std::list< bool > m_looking_at_object_index
 
bool m_looking_at_parameter_list
 
bool m_looking_at_return_list
 
bool m_looking_for_object_index
 
int m_looping
 
bool m_maybe_classdef_get_set_method
 
bbp_nesting_level m_nesting_level
 
std::string m_package_name
 
std::stack< bool > m_parsed_function_name
 
bool m_parsing_anon_fcn_body
 
bool m_parsing_class_method
 
bool m_parsing_classdef
 
bool m_parsing_classdef_decl
 
bool m_parsing_classdef_get_method
 
bool m_parsing_classdef_set_method
 
bool m_parsing_classdef_superclass
 
std::set< std::string > m_pending_local_variables
 
bool m_quote_is_transpose
 
bool m_reading_classdef_file
 
bool m_reading_fcn_file
 
bool m_reading_script_file
 
std::string m_string_text
 
symbol_table_context m_symtab_context
 
filepos m_tok_beg
 
filepos m_tok_end
 
size_t m_token_count
 
token_cache m_tokens
 

Detailed Description

Definition at line 51 of file lex.h.

Constructor & Destructor Documentation

◆ lexical_feedback() [1/2]

octave::lexical_feedback::lexical_feedback ( interpreter &  interp)
inline

Definition at line 266 of file lex.h.

◆ lexical_feedback() [2/2]

octave::lexical_feedback::lexical_feedback ( const lexical_feedback &  )
delete

◆ ~lexical_feedback()

octave::lexical_feedback::~lexical_feedback ( void  )

Definition at line 5062 of file lex.cc.

References octave::lexical_feedback::token_cache::clear(), and m_tokens.

Member Function Documentation

◆ init()

void octave::lexical_feedback::init ( void  )

Definition at line 5068 of file lex.cc.

References m_looking_at_object_index.

◆ mark_as_variable()

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

◆ mark_as_variables()

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

Definition at line 5211 of file lex.cc.

References m_pending_local_variables.

Referenced by octave::base_parser::make_decl_command(), and octave::base_parser::validate_matrix_for_assignment().

◆ mark_previous_token_trailing_space()

void octave::lexical_feedback::mark_previous_token_trailing_space ( void  )

Definition at line 5150 of file lex.cc.

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

Referenced by octave::base_lexer::handle_continuation().

◆ maybe_mark_previous_token_as_variable()

void octave::lexical_feedback::maybe_mark_previous_token_as_variable ( void  )

Definition at line 5202 of file lex.cc.

References octave::lexical_feedback::token_cache::front(), octave::token::is_symbol(), m_pending_local_variables, m_tokens, and octave::token::symbol_name().

◆ operator=()

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

◆ previous_token_is_binop()

bool octave::lexical_feedback::previous_token_is_binop ( void  ) const

Definition at line 5165 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, MUL_EQ, OR_EQ, POW, POW_EQ, previous_token_value(), and SUB_EQ.

Referenced by octave::base_lexer::maybe_unput_comma_before_unary_op().

◆ previous_token_is_keyword()

bool octave::lexical_feedback::previous_token_is_keyword ( void  ) const

Definition at line 5185 of file lex.cc.

References octave::lexical_feedback::token_cache::front(), octave::token::iskeyword(), and m_tokens.

◆ previous_token_may_be_command()

bool octave::lexical_feedback::previous_token_may_be_command ( void  ) const

Definition at line 5192 of file lex.cc.

References octave::lexical_feedback::token_cache::front(), m_allow_command_syntax, m_tokens, and octave::token::may_be_command().

Referenced by octave::base_lexer::looks_like_command_arg().

◆ previous_token_value()

int octave::lexical_feedback::previous_token_value ( void  ) const

Definition at line 5136 of file lex.cc.

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

Referenced by octave::base_lexer::maybe_unput_comma_before_unary_op(), and previous_token_is_binop().

◆ previous_token_value_is()

bool octave::lexical_feedback::previous_token_value_is ( int  tok_val) const

Definition at line 5143 of file lex.cc.

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

Referenced by mark_previous_token_trailing_space().

◆ reset()

void octave::lexical_feedback::reset ( void  )

Definition at line 5076 of file lex.cc.

References octave::lexical_feedback::symbol_table_context::clear(), octave::lexical_feedback::token_cache::clear(), m_allow_command_syntax, m_at_beginning_of_statement, m_block_comment_nesting_level, m_braceflag, m_bracketflag, m_buffer_function_text, m_command_arg_paren_count, m_comment_text, m_current_input_line, m_defining_func, m_dir_name, m_end_of_input, m_fcn_file_full_name, m_fcn_file_name, m_filepos, m_force_script, m_function_text, m_help_text, m_looking_at_anon_fcn_args, m_looking_at_decl_list, m_looking_at_function_handle, m_looking_at_indirect_ref, m_looking_at_initializer_expression, m_looking_at_matrix_or_assign_lhs, m_looking_at_object_index, m_looking_at_parameter_list, m_looking_at_return_list, m_looking_for_object_index, m_looping, m_maybe_classdef_get_set_method, m_nesting_level, m_package_name, m_parsed_function_name, m_parsing_anon_fcn_body, m_parsing_class_method, m_parsing_classdef, m_parsing_classdef_decl, m_parsing_classdef_get_method, m_parsing_classdef_set_method, m_parsing_classdef_superclass, m_pending_local_variables, m_quote_is_transpose, m_reading_classdef_file, m_reading_fcn_file, m_reading_script_file, m_string_text, m_symtab_context, m_tok_beg, m_tok_end, m_token_count, m_tokens, and octave::lexical_feedback::bbp_nesting_level::reset().

Referenced by octave::base_lexer::reset().

◆ space_follows_previous_token()

bool octave::lexical_feedback::space_follows_previous_token ( void  ) const

Definition at line 5158 of file lex.cc.

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

Referenced by octave::base_lexer::looks_like_command_arg(), and octave::base_lexer::maybe_unput_comma_before_unary_op().

Member Data Documentation

◆ m_allow_command_syntax

bool octave::lexical_feedback::m_allow_command_syntax

Definition at line 360 of file lex.h.

Referenced by octave::base_parser::disallow_command_syntax(), octave::base_lexer::looks_like_command_arg(), previous_token_may_be_command(), and reset().

◆ m_at_beginning_of_statement

bool octave::lexical_feedback::m_at_beginning_of_statement

Definition at line 364 of file lex.h.

Referenced by octave::base_lexer::finish_comment(), octave::base_lexer::handle_close_bracket(), octave::base_lexer::handle_continuation(), octave::base_lexer::handle_identifier(), octave::base_lexer::handle_number(), octave::base_lexer::handle_op(), octave::base_lexer::make_keyword_token(), and reset().

◆ m_block_comment_nesting_level

int octave::lexical_feedback::m_block_comment_nesting_level

Definition at line 459 of file lex.h.

Referenced by octave::base_lexer::handle_end_of_input(), and reset().

◆ m_braceflag

int octave::lexical_feedback::m_braceflag

Definition at line 447 of file lex.h.

Referenced by octave::base_lexer::handle_close_bracket(), and reset().

◆ m_bracketflag

int octave::lexical_feedback::m_bracketflag

Definition at line 444 of file lex.h.

Referenced by octave::base_lexer::handle_close_bracket(), and reset().

◆ m_buffer_function_text

bool octave::lexical_feedback::m_buffer_function_text

Definition at line 441 of file lex.h.

Referenced by octave::lexer::fill_flex_buffer(), octave::base_parser::finish_function(), octave::base_lexer::make_keyword_token(), and reset().

◆ m_command_arg_paren_count

int octave::lexical_feedback::m_command_arg_paren_count

Definition at line 462 of file lex.h.

Referenced by octave::base_lexer::finish_command_arg(), and reset().

◆ m_comment_text

std::string octave::lexical_feedback::m_comment_text

Definition at line 485 of file lex.h.

Referenced by octave::base_lexer::finish_comment(), octave::base_lexer::handle_continuation(), and reset().

◆ m_current_input_line

std::string octave::lexical_feedback::m_current_input_line

Definition at line 482 of file lex.h.

Referenced by octave::push_lexer::append_input(), octave::base_parser::bison_error(), octave::lexer::fill_flex_buffer(), octave::base_lexer::make_keyword_token(), and reset().

◆ m_defining_func

int octave::lexical_feedback::m_defining_func

Definition at line 453 of file lex.h.

Referenced by octave::base_lexer::make_keyword_token(), octave::base_parser::recover_from_parsing_function(), and reset().

◆ m_dir_name

std::string octave::lexical_feedback::m_dir_name

Definition at line 500 of file lex.h.

Referenced by octave::base_parser::finish_function(), octave::base_parser::make_script(), reset(), and octave::base_parser::start_function().

◆ m_end_of_input

bool octave::lexical_feedback::m_end_of_input

Definition at line 357 of file lex.h.

Referenced by octave::base_parser::at_end_of_input(), and reset().

◆ m_fcn_file_full_name

std::string octave::lexical_feedback::m_fcn_file_full_name

Definition at line 497 of file lex.h.

Referenced by octave::base_parser::bison_error(), octave::base_parser::make_anon_fcn_handle(), octave::base_parser::make_decl_command(), octave::base_lexer::make_keyword_token(), 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(), reset(), octave::push_parser::run(), octave::parser::run(), octave::base_parser::start_function(), octave::base_lexer::warn_language_extension(), and octave::base_lexer::warn_single_quote_string().

◆ m_fcn_file_name

std::string octave::lexical_feedback::m_fcn_file_name

Definition at line 494 of file lex.h.

Referenced by octave::base_parser::finish_function(), octave::base_lexer::handle_end_of_input(), octave::base_parser::make_classdef(), octave::base_parser::make_fcn_name(), octave::base_parser::make_script(), reset(), and octave::base_parser::start_function().

◆ m_filepos

filepos octave::lexical_feedback::m_filepos

Definition at line 469 of file lex.h.

Referenced by octave::base_lexer::begin_string(), octave::base_parser::bison_error(), octave::base_lexer::handle_continuation(), octave::base_lexer::handle_end_of_input(), octave::base_lexer::handle_fq_identifier(), octave::base_lexer::handle_meta_identifier(), octave::base_lexer::handle_superclass_identifier(), octave::base_lexer::make_keyword_token(), octave::base_lexer::maybe_warn_separator_insert(), reset(), octave::base_lexer::update_token_positions(), octave::base_lexer::warn_language_extension(), and octave::base_lexer::warn_single_quote_string().

◆ m_force_script

bool octave::lexical_feedback::m_force_script

Definition at line 428 of file lex.h.

Referenced by octave::base_lexer::make_keyword_token(), reset(), and octave::base_parser::start_function().

◆ m_function_text

std::string octave::lexical_feedback::m_function_text

Definition at line 491 of file lex.h.

Referenced by octave::lexer::fill_flex_buffer(), octave::base_parser::finish_function(), octave::base_lexer::make_keyword_token(), and reset().

◆ m_help_text

std::string octave::lexical_feedback::m_help_text

Definition at line 488 of file lex.h.

Referenced by octave::base_lexer::finish_comment(), octave::base_parser::make_script(), reset(), and octave::base_parser::start_function().

◆ m_interpreter

interpreter& octave::lexical_feedback::m_interpreter

Definition at line 354 of file lex.h.

Referenced by octave::lexical_feedback::symbol_table_context::curr_scope(), octave::base_lexer::debug_flag(), octave::base_lexer::display_tokens(), octave::lexer::fill_flex_buffer(), octave::base_lexer::increment_token_count(), octave::base_lexer::input_from_tmp_history_file(), octave::base_lexer::is_variable(), and octave::base_lexer::reset().

◆ m_looking_at_anon_fcn_args

bool octave::lexical_feedback::m_looking_at_anon_fcn_args

Definition at line 367 of file lex.h.

Referenced by reset().

◆ m_looking_at_decl_list

bool octave::lexical_feedback::m_looking_at_decl_list

Definition at line 377 of file lex.h.

Referenced by octave::base_lexer::make_keyword_token(), and reset().

◆ m_looking_at_function_handle

int octave::lexical_feedback::m_looking_at_function_handle

Definition at line 456 of file lex.h.

Referenced by reset().

◆ m_looking_at_indirect_ref

bool octave::lexical_feedback::m_looking_at_indirect_ref

Definition at line 392 of file lex.h.

Referenced by octave::base_lexer::handle_identifier(), octave::base_parser::make_indirect_ref(), and reset().

◆ m_looking_at_initializer_expression

bool octave::lexical_feedback::m_looking_at_initializer_expression

Definition at line 381 of file lex.h.

Referenced by reset().

◆ m_looking_at_matrix_or_assign_lhs

bool octave::lexical_feedback::m_looking_at_matrix_or_assign_lhs

Definition at line 385 of file lex.h.

Referenced by reset().

◆ m_looking_at_object_index

std::list<bool> octave::lexical_feedback::m_looking_at_object_index

Definition at line 507 of file lex.h.

Referenced by octave::base_lexer::handle_close_bracket(), init(), octave::base_lexer::inside_any_object_index(), reset(), and octave::base_lexer::whitespace_is_significant().

◆ m_looking_at_parameter_list

bool octave::lexical_feedback::m_looking_at_parameter_list

Definition at line 373 of file lex.h.

Referenced by octave::base_parser::recover_from_parsing_function(), and reset().

◆ m_looking_at_return_list

bool octave::lexical_feedback::m_looking_at_return_list

Definition at line 370 of file lex.h.

Referenced by octave::base_lexer::make_keyword_token(), octave::base_parser::recover_from_parsing_function(), and reset().

◆ m_looking_for_object_index

bool octave::lexical_feedback::m_looking_for_object_index

Definition at line 388 of file lex.h.

Referenced by octave::base_lexer::handle_close_bracket(), octave::base_lexer::handle_identifier(), octave::base_lexer::handle_number(), octave::base_lexer::handle_op(), and reset().

◆ m_looping

int octave::lexical_feedback::m_looping

Definition at line 450 of file lex.h.

Referenced by octave::base_parser::make_break_command(), octave::base_parser::make_continue_command(), octave::base_parser::make_do_until_command(), octave::base_parser::make_for_command(), octave::base_lexer::make_keyword_token(), octave::base_parser::make_while_command(), and reset().

◆ m_maybe_classdef_get_set_method

bool octave::lexical_feedback::m_maybe_classdef_get_set_method

Definition at line 415 of file lex.h.

Referenced by octave::base_parser::make_fcn_name(), octave::base_lexer::make_keyword_token(), and reset().

◆ m_nesting_level

bbp_nesting_level octave::lexical_feedback::m_nesting_level

Definition at line 522 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().

◆ m_package_name

std::string octave::lexical_feedback::m_package_name

Definition at line 503 of file lex.h.

Referenced by reset(), and octave::base_parser::start_function().

◆ m_parsed_function_name

std::stack<bool> octave::lexical_feedback::m_parsed_function_name

Definition at line 512 of file lex.h.

Referenced by octave::base_parser::make_fcn_name(), octave::base_lexer::make_keyword_token(), octave::base_parser::recover_from_parsing_function(), and reset().

◆ m_parsing_anon_fcn_body

bool octave::lexical_feedback::m_parsing_anon_fcn_body

Definition at line 395 of file lex.h.

Referenced by octave::base_lexer::handle_identifier(), and reset().

◆ m_parsing_class_method

bool octave::lexical_feedback::m_parsing_class_method

Definition at line 398 of file lex.h.

Referenced by reset(), and octave::base_parser::start_function().

◆ m_parsing_classdef

bool octave::lexical_feedback::m_parsing_classdef

Definition at line 401 of file lex.h.

Referenced by octave::base_lexer::make_keyword_token(), reset(), and octave::base_parser::start_function().

◆ m_parsing_classdef_decl

bool octave::lexical_feedback::m_parsing_classdef_decl

Definition at line 406 of file lex.h.

Referenced by octave::base_lexer::handle_op(), and reset().

◆ m_parsing_classdef_get_method

bool octave::lexical_feedback::m_parsing_classdef_get_method

Definition at line 418 of file lex.h.

Referenced by reset(), and octave::base_parser::start_function().

◆ m_parsing_classdef_set_method

bool octave::lexical_feedback::m_parsing_classdef_set_method

Definition at line 421 of file lex.h.

Referenced by reset(), and octave::base_parser::start_function().

◆ m_parsing_classdef_superclass

bool octave::lexical_feedback::m_parsing_classdef_superclass

Definition at line 410 of file lex.h.

Referenced by octave::base_lexer::handle_op(), and reset().

◆ m_pending_local_variables

std::set<std::string> octave::lexical_feedback::m_pending_local_variables

Definition at line 515 of file lex.h.

Referenced by octave::base_lexer::is_variable(), mark_as_variables(), maybe_mark_previous_token_as_variable(), and reset().

◆ m_quote_is_transpose

bool octave::lexical_feedback::m_quote_is_transpose

Definition at line 424 of file lex.h.

Referenced by reset().

◆ m_reading_classdef_file

bool octave::lexical_feedback::m_reading_classdef_file

Definition at line 437 of file lex.h.

Referenced by octave::base_parser::bison_error(), octave::base_parser::finish_classdef_file(), octave::base_lexer::handle_end_of_input(), octave::base_lexer::make_keyword_token(), reset(), octave::base_lexer::reset(), and octave::base_parser::start_function().

◆ m_reading_fcn_file

bool octave::lexical_feedback::m_reading_fcn_file

Definition at line 431 of file lex.h.

Referenced by octave::base_parser::bison_error(), octave::base_parser::finish_function(), octave::base_lexer::handle_end_of_input(), octave::base_lexer::make_keyword_token(), octave::base_parser::recover_from_parsing_function(), reset(), octave::base_lexer::reset(), and octave::base_parser::start_function().

◆ m_reading_script_file

bool octave::lexical_feedback::m_reading_script_file

Definition at line 434 of file lex.h.

Referenced by octave::base_parser::bison_error(), octave::base_lexer::handle_end_of_input(), octave::base_parser::make_decl_command(), octave::base_lexer::make_keyword_token(), octave::base_lexer::prep_for_file(), octave::base_parser::push_fcn_symtab(), reset(), octave::base_lexer::reset(), and octave::base_parser::start_function().

◆ m_string_text

std::string octave::lexical_feedback::m_string_text

Definition at line 479 of file lex.h.

Referenced by octave::base_lexer::finish_command_arg(), and reset().

◆ m_symtab_context

symbol_table_context octave::lexical_feedback::m_symtab_context

Definition at line 518 of file lex.h.

Referenced by octave::base_lexer::handle_identifier(), octave::base_parser::make_anon_fcn_handle(), octave::base_parser::make_classdef(), octave::base_parser::make_fcn_name(), octave::base_parser::make_script(), octave::base_parser::push_fcn_symtab(), octave::base_parser::recover_from_parsing_function(), reset(), octave::base_lexer::reset(), and octave::base_parser::start_function().

◆ m_tok_beg

filepos octave::lexical_feedback::m_tok_beg

Definition at line 475 of file lex.h.

Referenced by octave::base_lexer::begin_string(), octave::base_lexer::count_token(), octave::base_lexer::finish_command_arg(), octave::base_lexer::handle_end_of_input(), 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(), octave::base_lexer::handle_superclass_identifier(), octave::base_lexer::handle_token(), octave::base_lexer::make_keyword_token(), reset(), and octave::base_lexer::update_token_positions().

◆ m_tok_end

filepos octave::lexical_feedback::m_tok_end

Definition at line 476 of file lex.h.

Referenced by octave::base_lexer::count_token(), octave::base_lexer::finish_command_arg(), octave::base_lexer::handle_end_of_input(), 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(), octave::base_lexer::handle_superclass_identifier(), octave::base_lexer::handle_token(), octave::base_lexer::make_keyword_token(), reset(), and octave::base_lexer::update_token_positions().

◆ m_token_count

size_t octave::lexical_feedback::m_token_count

Definition at line 466 of file lex.h.

Referenced by octave::base_lexer::increment_token_count(), octave::base_lexer::make_keyword_token(), and reset().

◆ m_tokens

token_cache octave::lexical_feedback::m_tokens

Definition at line 525 of file lex.h.

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

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