GNU Octave  3.8.0
A high-level interpreted language, primarily intended for numerical computations, mostly compatible with Matlab
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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 (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
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
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 4527 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  )

Reimplemented in octave_base_lexer.

Definition at line 4533 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 4662 of file lex.cc.

References pending_local_variables.

void lexical_feedback::mark_previous_token_trailing_space ( void  )

Definition at line 4603 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 4653 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 4618 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 4639 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 4646 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 4589 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 4596 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  )

Reimplemented in octave_push_lexer, octave_lexer, and octave_base_lexer.

Definition at line 4541 of file lex.cc.

References at_beginning_of_statement, block_comment_nesting_level, braceflag, bracketflag, lexical_feedback::token_cache::clear(), 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, 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.

bool lexical_feedback::space_follows_previous_token ( void  ) const

Definition at line 4611 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 311 of file lex.h.

Referenced by octave_base_lexer::finish_comment(), 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 390 of file lex.h.

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

int lexical_feedback::braceflag

Definition at line 378 of file lex.h.

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

int lexical_feedback::bracketflag

Definition at line 375 of file lex.h.

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

std::string lexical_feedback::comment_text

Definition at line 400 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 372 of file lex.h.

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

std::string lexical_feedback::current_input_line

Definition at line 397 of file lex.h.

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

int lexical_feedback::defining_func

Definition at line 384 of file lex.h.

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

bool lexical_feedback::end_of_input

Definition at line 307 of file lex.h.

Referenced by main_loop(), and reset().

std::string lexical_feedback::fcn_file_full_name

Definition at line 416 of file lex.h.

Referenced by octave_base_lexer::gripe_matlab_incompatible(), octave_base_lexer::gripe_single_quote_string(), octave_base_lexer::is_keyword_token(), octave_base_lexer::maybe_warn_separator_insert(), and reset().

std::string lexical_feedback::fcn_file_name

Definition at line 413 of file lex.h.

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

bool lexical_feedback::force_script

Definition at line 357 of file lex.h.

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

std::string lexical_feedback::help_text

Definition at line 403 of file lex.h.

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

int lexical_feedback::input_line_number

Definition at line 369 of file lex.h.

Referenced by octave_base_lexer::begin_string(), octave_base_lexer::count_token(), octave_base_lexer::gripe_matlab_incompatible(), octave_base_lexer::gripe_single_quote_string(), octave_base_lexer::handle_continuation(), octave_base_lexer::handle_end_of_input(), 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_lexer::maybe_warn_separator_insert(), and reset().

bool lexical_feedback::looking_at_anon_fcn_args

Definition at line 314 of file lex.h.

Referenced by reset().

bool lexical_feedback::looking_at_decl_list

Definition at line 324 of file lex.h.

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

int lexical_feedback::looking_at_function_handle

Definition at line 387 of file lex.h.

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

bool lexical_feedback::looking_at_indirect_ref

Definition at line 339 of file lex.h.

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

bool lexical_feedback::looking_at_initializer_expression

Definition at line 328 of file lex.h.

Referenced by reset().

bool lexical_feedback::looking_at_matrix_or_assign_lhs

Definition at line 332 of file lex.h.

Referenced by reset().

std::list<bool> lexical_feedback::looking_at_object_index

Definition at line 420 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 320 of file lex.h.

Referenced by reset().

bool lexical_feedback::looking_at_return_list

Definition at line 317 of file lex.h.

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

bool lexical_feedback::looking_for_object_index

Definition at line 335 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 381 of file lex.h.

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

bool lexical_feedback::maybe_classdef_get_set_method

Definition at line 347 of file lex.h.

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

bbp_nesting_level lexical_feedback::nesting_level

Definition at line 435 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 425 of file lex.h.

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

bool lexical_feedback::parsing_class_method

Definition at line 342 of file lex.h.

Referenced by reset().

bool lexical_feedback::parsing_classdef

Definition at line 350 of file lex.h.

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

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

Definition at line 428 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 353 of file lex.h.

bool lexical_feedback::reading_classdef_file

Definition at line 366 of file lex.h.

Referenced by octave_base_lexer::handle_end_of_input(), octave_base_lexer::is_keyword_token(), octave_base_reader::reading_classdef_file(), reset(), and octave_base_lexer::reset().

bool lexical_feedback::reading_fcn_file

Definition at line 360 of file lex.h.

Referenced by octave_base_lexer::handle_end_of_input(), octave_base_lexer::is_keyword_token(), octave_base_reader::reading_fcn_file(), reset(), and octave_base_lexer::reset().

bool lexical_feedback::reading_script_file

Definition at line 363 of file lex.h.

Referenced by octave_base_lexer::handle_end_of_input(), octave_base_lexer::is_keyword_token(), 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 410 of file lex.h.

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

int lexical_feedback::string_line

Definition at line 409 of file lex.h.

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

std::string lexical_feedback::string_text

Definition at line 406 of file lex.h.

Referenced by reset().

symbol_table_context lexical_feedback::symtab_context

Definition at line 431 of file lex.h.

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

size_t lexical_feedback::token_count

Definition at line 394 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 438 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:
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