#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <cctype>
#include <cstring>
#include <iostream>
#include <set>
#include <sstream>
#include <string>
#include <stack>
#include <sys/types.h>
#include <unistd.h>
#include "cmd-edit.h"
#include "quit.h"
#include "lo-mappers.h"
#include "Cell.h"
#include "comment-list.h"
#include "defun.h"
#include "error.h"
#include "gripes.h"
#include "input.h"
#include "lex.h"
#include "ov.h"
#include "parse.h"
#include "pt-all.h"
#include "symtab.h"
#include "token.h"
#include "toplev.h"
#include "utils.h"
#include "variables.h"
#include <oct-parse.h>
#include <oct-gperf.h>

Include dependency graph for lex.cc:

Classes
struct	yy_buffer_state
struct	yy_trans_info
struct	yyguts_t

Macros
#define	BEGIN yyg->yy_start = 1 + 2 *
#define	BLOCK_COMMENT_START 4
#define	CMD_OR_COMPUTED_ASSIGN_OP(PATTERN, TOK)
#define	CMD_OR_OP(PATTERN, TOK, COMPAT)
#define	CMD_OR_UNARY_OP(PATTERN, TOK, COMPAT)
#define	COMMAND_START 1
#define	curr_lexer yyextra
#define	DQ_STRING_START 6
#define	ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
#define	EOB_ACT_CONTINUE_SCAN 0
#define	EOB_ACT_END_OF_FILE 1
#define	EOB_ACT_LAST_MATCH 2
#define	FLEX_BETA
#define	FLEX_SCANNER
#define	FLEXINT_H
#define	HANDLE_STRING_CONTINUATION
#define	INITIAL 0
#define	INPUT_FILE_START 3
#define	INT16_MAX (32767)
#define	INT16_MIN (-32767-1)
#define	INT32_MAX (2147483647)
#define	INT32_MIN (-2147483647-1)
#define	INT8_MAX (127)
#define	INT8_MIN (-128)
#define	LINE_COMMENT_START 5
#define	MATRIX_START 2
#define	octave_wrap(n) 1
#define	OCTAVE_YYG struct yyguts_t yyg = static_cast<struct yyguts_t> (scanner)
#define	REJECT reject_used_but_not_detected
#define	SQ_STRING_START 7
#define	UINT16_MAX (65535U)
#define	UINT32_MAX (4294967295U)
#define	UINT8_MAX (255U)
#define	unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
#define	YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
#define	YY_BREAK break;
#define	YY_BUF_SIZE 16384
#define	YY_BUFFER_EOF_PENDING 2
#define	YY_BUFFER_NEW 0
#define	YY_BUFFER_NORMAL 1
#define	YY_CURRENT_BUFFER
#define	YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
#define	YY_DECL
#define	YY_DECL_IS_OURS 1
#define	YY_DO_BEFORE_ACTION
#define	YY_END_OF_BUFFER 120
#define	YY_END_OF_BUFFER_CHAR 0
#define	YY_EXIT_FAILURE 2
#define	YY_EXTRA_TYPE octave_base_lexer *
#define	YY_FATAL_ERROR(msg) (octave_get_extra (yyscanner))->fatal_error (msg)
#define	yy_flex_debug yyg->yy_flex_debug_r
#define	YY_FLEX_MAJOR_VERSION 2
#define	YY_FLEX_MINOR_VERSION 5
#define	YY_FLEX_SUBMINOR_VERSION 35
#define	YY_FLUSH_BUFFER octave__flush_buffer(YY_CURRENT_BUFFER ,yyscanner)
#define	YY_INPUT(buf, result, max_size) result = curr_lexer->fill_flex_buffer (buf, max_size)
#define	YY_INT_ALIGNED short int
#define	YY_LESS_LINENO(n)
#define	YY_MORE_ADJ 0
#define	yy_new_buffer octave__create_buffer
#define	YY_NEW_FILE octave_restart(yyin ,yyscanner )
#define	YY_NULL 0
#define	YY_NUM_RULES 119
#define	YY_READ_BUF_SIZE 8192
#define	YY_RESTORE_YY_MORE_OFFSET
#define	YY_RULE_SETUP
#define	YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
#define	yy_set_bol(at_bol)
#define	yy_set_interactive(is_interactive)
#define	YY_SKIP_YYWRAP
#define	YY_START ((yyg->yy_start - 1) / 2)
#define	YY_START_STACK_INCR 25
#define	YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#define	YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
#define	YY_STRUCT_YY_BUFFER_STATE
#define	YY_TYPEDEF_YY_BUFFER_STATE
#define	YY_TYPEDEF_YY_SCANNER_T
#define	YY_TYPEDEF_YY_SIZE_T
#define	YY_USER_ACTION
#define	yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
#define	yyconst
#define	yyextra yyg->yyextra_r
#define	yyin yyg->yyin_r
#define	yyleng yyg->yyleng_r
#define	yyless(n)
#define	yyless(n)
#define	yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
#define	yylval yyg->yylval_r
#define	yymore() yymore_used_but_not_detected
#define	yyout yyg->yyout_r
#define	YYSTATE YY_START
#define	YYTABLES_NAME "yytables"
#define	yyterminate() return YY_NULL
#define	yytext yyg->yytext_r
#define	yytext_ptr yytext_r

Typedefs
typedef short int	flex_int16_t
typedef int	flex_int32_t
typedef signed char	flex_int8_t
typedef unsigned short int	flex_uint16_t
typedef unsigned int	flex_uint32_t
typedef unsigned char	flex_uint8_t
typedef struct yy_buffer_state *	YY_BUFFER_STATE
typedef unsigned char	YY_CHAR
typedef size_t	yy_size_t
typedef int	yy_state_type
typedef void *	yyscan_t

Functions
	DEFUN (iskeyword, args,,"-- texinfo --\n\ @deftypefn {Built-in Function} {} iskeyword ()\n\ @deftypefnx {Built-in Function} {} iskeyword (@var{name})\n\ Return true if @var{name} is an Octave keyword. If @var{name}\n\ is omitted, return a list of keywords.\n\ @seealso{isvarname, exist}\n\ @end deftypefn")
	DEFUN (__display_tokens__, args, nargout,"-- texinfo --\n\ @deftypefn {Built-in Function} {} __display_tokens__ ()\n\ Query or set the internal variable that determines whether Octave's\n\ lexer displays tokens as they are read.\n\ @end deftypefn")
	DEFUN (__token_count__,,,"-- texinfo --\n\ @deftypefn {Built-in Function} {} __token_count__ ()\n\ Number of language tokens processed since Octave startup.\n\ @end deftypefn")
	DEFUN (__lexer_debug_flag__, args, nargout,"-- texinfo --\n\ @deftypefn {Built-in Function} {@var{old_val} =} __lexer_debug_flag__ (@var{new_val}))\n\ Undocumented internal function.\n\ @end deftypefn")
static void	display_character (char c)
static int	input (yyscan_t yyscanner)
bool	is_keyword (const std::string &s)
int	isatty (int)
static bool	looks_like_copyright (const std::string &s)
static bool	looks_like_hex (const char *s, int len)
YY_BUFFER_STATE	octave__create_buffer (FILE *file, int size, yyscan_t yyscanner)
	Allocate and initialize an input buffer state.
void	octave__delete_buffer (YY_BUFFER_STATE b, yyscan_t yyscanner)
	Destroy the buffer.
void	octave__flush_buffer (YY_BUFFER_STATE b, yyscan_t yyscanner)
	Discard all buffered characters.
static void	octave__init_buffer (YY_BUFFER_STATE b, FILE *file, yyscan_t yyscanner)
static void	octave__load_buffer_state (yyscan_t yyscanner)
YY_BUFFER_STATE	octave__scan_buffer (char *base, yy_size_t size, yyscan_t yyscanner)
	Setup the input buffer state to scan directly from a user-specified character buffer.
YY_BUFFER_STATE	octave__scan_bytes (char *yybytes, int _yybytes_len, yyscan_t yyscanner)
	Setup the input buffer state to scan the given bytes.
YY_BUFFER_STATE	octave__scan_string (char *yystr, yyscan_t yyscanner)
	Setup the input buffer state to scan a string.
void	octave__switch_to_buffer (YY_BUFFER_STATE new_buffer, yyscan_t yyscanner)
	Switch to a different input buffer.
void *	octave_alloc (yy_size_t, yyscan_t yyscanner)
static void	octave_ensure_buffer_stack (yyscan_t yyscanner)
void	octave_free (void *, yyscan_t yyscanner)
int	octave_get_column (yyscan_t yyscanner)
	Get the current column number.
int	octave_get_debug (yyscan_t yyscanner)
octave_base_lexer *	octave_get_extra (yyscan_t yyscanner)
	Get the user-defined data for this scanner.
FILE *	octave_get_in (yyscan_t yyscanner)
	Get the input stream.
int	octave_get_leng (yyscan_t yyscanner)
	Get the length of the current token.
int	octave_get_lineno (yyscan_t yyscanner)
	Get the current line number.
YYSTYPE *	octave_get_lval (yyscan_t yyscanner)
FILE *	octave_get_out (yyscan_t yyscanner)
	Get the output stream.
char *	octave_get_text (yyscan_t yyscanner)
	Get the current token.
int	octave_lex (YYSTYPE *yylval_param, yyscan_t yyscanner)
	The main scanner function which does all the work.
int	octave_lex_destroy (yyscan_t yyscanner)
int	octave_lex_init (yyscan_t *scanner)
int	octave_lex_init_extra (octave_base_lexer user_defined, yyscan_t scanner)
void	octave_pop_buffer_state (yyscan_t yyscanner)
	Removes and deletes the top of the stack, if present.
void	octave_push_buffer_state (YY_BUFFER_STATE new_buffer, yyscan_t yyscanner)
	Pushes the new state onto the stack.
void *	octave_realloc (void *, yy_size_t, yyscan_t yyscanner)
void	octave_restart (FILE *input_file, yyscan_t yyscanner)
	Immediately switch to a different input stream.
void	octave_set_column (int column_no, yyscan_t yyscanner)
	Set the current column.
void	octave_set_debug (int debug_flag, yyscan_t yyscanner)
void	octave_set_extra (octave_base_lexer *user_defined, yyscan_t yyscanner)
	Set the user-defined data.
void	octave_set_in (FILE *in_str, yyscan_t yyscanner)
	Set the input stream.
void	octave_set_lineno (int line_number, yyscan_t yyscanner)
	Set the current line number.
void	octave_set_lval (YYSTYPE *yylval_param, yyscan_t yyscanner)
void	octave_set_out (FILE *out_str, yyscan_t yyscanner)
static std::string	strip_trailing_whitespace (char *s)
static void	yy_fatal_error (char msg[], yyscan_t yyscanner)
static void	yy_fatal_error (char *msg, yyscan_t yyscanner)
static int	yy_get_next_buffer (yyscan_t yyscanner)
static yy_state_type	yy_get_previous_state (yyscan_t yyscanner)
static int	yy_init_globals (yyscan_t yyscanner)
static yy_state_type	yy_try_NUL_trans (yy_state_type current_state, yyscan_t yyscanner)
static void	yyunput (int c, char *buf_ptr, yyscan_t yyscanner)
static void	yyunput (int c, register char *yy_bp, yyscan_t yyscanner)

Variables
static bool	lexer_debug_flag = false
static bool	Vdisplay_tokens = false
static unsigned int	Vtoken_count = 0
static flex_int16_t	yy_accept [358]
static flex_int16_t	yy_base [387]
static flex_int16_t	yy_chk [1299]
static flex_int16_t	yy_def [387]
static flex_int32_t	yy_ec [256]
static flex_int32_t	yy_meta [49]
static flex_int16_t	yy_nxt [1299]

Macro Definition Documentation

#define BEGIN yyg->yy_start = 1 + 2 *

Definition at line 149 of file lex.cc.

Referenced by octave_base_lexer::pop_start_state(), and octave_base_lexer::push_start_state().

#define BLOCK_COMMENT_START 4

Definition at line 1090 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), and octave_lex().

#define CMD_OR_COMPUTED_ASSIGN_OP	(	PATTERN,
		TOK
	)

Value:

\
  do \
    { \
      curr_lexer->lexer_debug (PATTERN); \
 \
      if (curr_lexer->previous_token_may_be_command ()) \
        { \
          yyless (0); \
          curr_lexer->push_start_state (COMMAND_START); \
        } \
      else \
        { \
          return curr_lexer->handle_incompatible_op (PATTERN, TOK, false); \
        } \
    } \
  while (0)

Definition at line 989 of file lex.cc.

Referenced by octave_lex().

#define CMD_OR_OP	(	PATTERN,
		TOK,
		COMPAT
	)

Value:

\
  do \
    { \
      curr_lexer->lexer_debug (PATTERN); \
 \
      if (curr_lexer->looks_like_command_arg ()) \
        { \
          yyless (0); \
          curr_lexer->push_start_state (COMMAND_START); \
        } \
      else \
        { \
          return curr_lexer->handle_op_internal (TOK, false, COMPAT); \
        } \
    } \
  while (0)

Definition at line 971 of file lex.cc.

Referenced by octave_lex().

#define CMD_OR_UNARY_OP	(	PATTERN,
		TOK,
		COMPAT
	)

Definition at line 1007 of file lex.cc.

Referenced by octave_lex().

#define COMMAND_START 1

Definition at line 1087 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), and octave_lex().

#define curr_lexer yyextra

Definition at line 953 of file lex.cc.

Referenced by octave_lex().

#define DQ_STRING_START 6

Definition at line 1092 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), and octave_lex().

#define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)

Definition at line 1237 of file lex.cc.

Referenced by octave_lex().

#define EOB_ACT_CONTINUE_SCAN 0

Definition at line 188 of file lex.cc.

Referenced by input(), octave_lex(), and yy_get_next_buffer().

#define EOB_ACT_END_OF_FILE 1

Definition at line 189 of file lex.cc.

Referenced by input(), octave_lex(), and yy_get_next_buffer().

#define EOB_ACT_LAST_MATCH 2

Definition at line 190 of file lex.cc.

Referenced by input(), octave_lex(), and yy_get_next_buffer().

#define FLEX_BETA

Definition at line 20 of file lex.cc.

#define FLEX_SCANNER

Definition at line 15 of file lex.cc.

#define FLEXINT_H

Definition at line 36 of file lex.cc.

#define HANDLE_STRING_CONTINUATION

Value:

do \
    { \
      curr_lexer->decrement_promptflag (); \
      curr_lexer->input_line_number++; \
      curr_lexer->current_input_column = 1; \
 \
      if (curr_lexer->is_push_lexer ()) \
        { \
          if (curr_lexer->at_end_of_buffer ()) \
            return -1; \
 \
          if (curr_lexer->at_end_of_file ()) \
            return curr_lexer->handle_end_of_input (); \
        } \
    } \
  while (0)

Definition at line 1053 of file lex.cc.

Referenced by octave_lex().

#define INITIAL 0

Definition at line 1086 of file lex.cc.

Referenced by octave_base_lexer::clear_start_state(), octave_base_lexer::display_start_state(), and octave_lex().

#define INPUT_FILE_START 3

Definition at line 1089 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), octave_lex(), and octave_base_lexer::prep_for_file().

#define INT16_MAX (32767)

Definition at line 78 of file lex.cc.

#define INT16_MIN (-32767-1)

Definition at line 69 of file lex.cc.

#define INT32_MAX (2147483647)

Definition at line 81 of file lex.cc.

#define INT32_MIN (-2147483647-1)

Definition at line 72 of file lex.cc.

#define INT8_MAX (127)

Definition at line 75 of file lex.cc.

#define INT8_MIN (-128)

Definition at line 66 of file lex.cc.

#define LINE_COMMENT_START 5

Definition at line 1091 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), and octave_lex().

#define MATRIX_START 2

Definition at line 1088 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), and octave_lex().

#define octave_wrap ( n ) 1

Definition at line 343 of file lex.cc.

Referenced by input(), and octave_lex().

#define OCTAVE_YYG struct yyguts_t *yyg = static_cast<struct yyguts_t*> (scanner)

Definition at line 4753 of file lex.cc.

Referenced by octave_base_lexer::pop_start_state(), and octave_base_lexer::push_start_state().

#define REJECT reject_used_but_not_detected

Definition at line 849 of file lex.cc.

#define SQ_STRING_START 7

Definition at line 1093 of file lex.cc.

Referenced by octave_base_lexer::display_start_state(), and octave_lex().

#define UINT16_MAX (65535U)

Definition at line 87 of file lex.cc.

#define UINT32_MAX (4294967295U)

Definition at line 90 of file lex.cc.

#define UINT8_MAX (255U)

Definition at line 84 of file lex.cc.

#define unput ( c ) yyunput( c, yyg->yytext_ptr , yyscanner )

Definition at line 208 of file lex.cc.

Referenced by octave_lex().

#define YY_AT_BOL ( ) (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

Definition at line 339 of file lex.cc.

Referenced by octave_lex(), and yy_get_previous_state().

#define YY_BREAK break;

Definition at line 1318 of file lex.cc.

Referenced by octave_lex().

#define YY_BUF_SIZE 16384

Definition at line 175 of file lex.cc.

Referenced by octave_lex(), and octave_restart().

#define YY_BUFFER_EOF_PENDING 2

Definition at line 275 of file lex.cc.

Referenced by yy_get_next_buffer().

#define YY_BUFFER_NEW 0

Definition at line 263 of file lex.cc.

Referenced by octave__flush_buffer(), octave__scan_buffer(), and octave_lex().

#define YY_BUFFER_NORMAL 1

Definition at line 264 of file lex.cc.

Referenced by octave_lex().

#define YY_CURRENT_BUFFER

Value:

( yyg->yy_buffer_stack \
                          ? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
                          : NULL)

Definition at line 286 of file lex.cc.

Referenced by octave__delete_buffer(), octave__flush_buffer(), octave__init_buffer(), octave__switch_to_buffer(), octave_get_column(), octave_get_lineno(), octave_lex(), octave_lex_destroy(), octave_pop_buffer_state(), octave_push_buffer_state(), octave_restart(), octave_set_column(), octave_set_lineno(), and yy_get_next_buffer().

#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]

Definition at line 293 of file lex.cc.

Referenced by input(), octave__delete_buffer(), octave__load_buffer_state(), octave__switch_to_buffer(), octave_lex(), octave_lex_destroy(), octave_pop_buffer_state(), octave_push_buffer_state(), octave_restart(), yy_get_next_buffer(), and yyunput().

#define YY_DECL

Value:

int octave_lex \

(YYSTYPE * yylval_param , yyscan_t yyscanner)

Definition at line 1305 of file lex.cc.

#define YY_DECL_IS_OURS 1

Definition at line 1300 of file lex.cc.

#define YY_DO_BEFORE_ACTION

Value:

yyg->yytext_ptr = yy_bp; \
  yyleng = (size_t) (yy_cp - yy_bp); \
  yyg->yy_hold_char = *yy_cp; \
  *yy_cp = '\0'; \
  yyg->yy_c_buf_p = yy_cp;

Definition at line 360 of file lex.cc.

Referenced by octave_lex().

#define YY_END_OF_BUFFER 120

Definition at line 368 of file lex.cc.

Referenced by octave_lex().

#define YY_END_OF_BUFFER_CHAR 0

Definition at line 164 of file lex.cc.

Referenced by input(), octave__flush_buffer(), octave__scan_buffer(), octave__scan_bytes(), and yy_get_next_buffer().

#define YY_EXIT_FAILURE 2

Definition at line 3900 of file lex.cc.

Referenced by yy_fatal_error().

#define YY_EXTRA_TYPE octave_base_lexer *

Definition at line 952 of file lex.cc.

#define YY_FATAL_ERROR ( msg ) (octave_get_extra (yyscanner))->fatal_error (msg)

Definition at line 968 of file lex.cc.

Referenced by octave__create_buffer(), octave__scan_buffer(), octave__scan_bytes(), octave_ensure_buffer_stack(), octave_lex(), yy_get_next_buffer(), and yyunput().

#define yy_flex_debug yyg->yy_flex_debug_r

Definition at line 143 of file lex.cc.

Referenced by octave_get_debug(), and octave_set_debug().

#define YY_FLEX_MAJOR_VERSION 2

Definition at line 16 of file lex.cc.

#define YY_FLEX_MINOR_VERSION 5

Definition at line 17 of file lex.cc.

#define YY_FLEX_SUBMINOR_VERSION 35

Definition at line 18 of file lex.cc.

#define YY_FLUSH_BUFFER octave__flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

Definition at line 307 of file lex.cc.

#define YY_INPUT	(	buf,
		result,
		max_size
	)	result = curr_lexer->fill_flex_buffer (buf, max_size)

Definition at line 960 of file lex.cc.

Referenced by yy_get_next_buffer().

#define YY_INT_ALIGNED short int

Definition at line 11 of file lex.cc.

#define YY_LESS_LINENO ( n )

Definition at line 192 of file lex.cc.

#define YY_MORE_ADJ 0

Definition at line 851 of file lex.cc.

Referenced by octave_lex(), yy_get_next_buffer(), and yy_get_previous_state().

#define yy_new_buffer octave__create_buffer

Definition at line 317 of file lex.cc.

#define YY_NEW_FILE octave_restart(yyin ,yyscanner )

Definition at line 162 of file lex.cc.

Referenced by input(), and octave_lex().

#define YY_NULL 0

Definition at line 119 of file lex.cc.

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

#define YY_NUM_RULES 119

Definition at line 367 of file lex.cc.

#define YY_READ_BUF_SIZE 8192

Definition at line 1228 of file lex.cc.

Referenced by yy_get_next_buffer().

#define YY_RESTORE_YY_MORE_OFFSET

Definition at line 852 of file lex.cc.

Referenced by octave_lex().

#define YY_RULE_SETUP

Value:

if ( yyleng > 0 ) \
    YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
        (yytext[yyleng - 1] == '\n'); \
  YY_USER_ACTION

Definition at line 1321 of file lex.cc.

Referenced by octave_lex().

#define YY_SC_TO_UI ( c ) ((unsigned int) (unsigned char) c)

Definition at line 126 of file lex.cc.

Referenced by octave_lex(), and yy_get_previous_state().

#define yy_set_bol ( at_bol )

Value:

{ \
  if ( ! YY_CURRENT_BUFFER ){\
        octave_ensure_buffer_stack (yyscanner); \
    YY_CURRENT_BUFFER_LVALUE =    \
            octave__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
  } \
  YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
  }

Definition at line 329 of file lex.cc.

#define yy_set_interactive ( is_interactive )

Value:

{ \
  if ( ! YY_CURRENT_BUFFER ){ \
        octave_ensure_buffer_stack (yyscanner); \
    YY_CURRENT_BUFFER_LVALUE =    \
            octave__create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \
  } \
  YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
  }

Definition at line 319 of file lex.cc.

#define YY_SKIP_YYWRAP

Definition at line 344 of file lex.cc.

#define YY_START ((yyg->yy_start - 1) / 2)

Definition at line 155 of file lex.cc.

Referenced by octave_lex().

#define YY_START_STACK_INCR 25

Definition at line 1286 of file lex.cc.

#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))

Definition at line 181 of file lex.cc.

#define YY_STATE_EOF ( state ) (YY_END_OF_BUFFER + state + 1)

Definition at line 159 of file lex.cc.

Referenced by octave_lex().

#define YY_STRUCT_YY_BUFFER_STATE

Definition at line 216 of file lex.cc.

#define YY_TYPEDEF_YY_BUFFER_STATE

Definition at line 184 of file lex.cc.

#define YY_TYPEDEF_YY_SCANNER_T

Definition at line 130 of file lex.cc.

#define YY_TYPEDEF_YY_SIZE_T

Definition at line 211 of file lex.cc.

#define YY_USER_ACTION

Definition at line 1313 of file lex.cc.

#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

Definition at line 142 of file lex.cc.

Referenced by octave_get_column(), and octave_set_column().

#define yyconst

Definition at line 115 of file lex.cc.

#define yyextra yyg->yyextra_r

Definition at line 138 of file lex.cc.

Referenced by octave_get_extra(), and octave_set_extra().

#define yyin yyg->yyin_r

Definition at line 136 of file lex.cc.

Referenced by input(), octave__load_buffer_state(), octave_get_in(), octave_lex(), octave_restart(), octave_set_in(), yy_get_next_buffer(), and yy_init_globals().

#define yyleng yyg->yyleng_r

Definition at line 139 of file lex.cc.

Referenced by octave_get_leng(), and octave_lex().

#define yyless ( n )

Value:

do \
    { \
    /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
    *yy_cp = yyg->yy_hold_char; \
    YY_RESTORE_YY_MORE_OFFSET \
    yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
    YY_DO_BEFORE_ACTION; /* set up yytext again */ \
    } \
  while ( 0 )

Definition at line 3912 of file lex.cc.

#define yyless ( n )

Value:

do \
    { \
    /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
    yytext[yyleng] = yyg->yy_hold_char; \
    yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
    yyg->yy_hold_char = *yyg->yy_c_buf_p; \
    *yyg->yy_c_buf_p = '\0'; \
    yyleng = yyless_macro_arg; \
    } \
  while ( 0 )

Definition at line 3912 of file lex.cc.

#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

Definition at line 141 of file lex.cc.

Referenced by octave_get_lineno(), and octave_set_lineno().

#define yylval yyg->yylval_r

Definition at line 1147 of file lex.cc.

Referenced by octave_get_lval(), octave_lex(), and octave_set_lval().

#define yymore ( ) yymore_used_but_not_detected

Definition at line 850 of file lex.cc.

#define yyout yyg->yyout_r

Definition at line 137 of file lex.cc.

Referenced by octave_get_out(), octave_lex(), octave_set_out(), and yy_init_globals().

#define YYSTATE YY_START

Definition at line 156 of file lex.cc.

#define YYTABLES_NAME "yytables"

Definition at line 4257 of file lex.cc.

#define yyterminate ( ) return YY_NULL

Definition at line 1281 of file lex.cc.

#define yytext yyg->yytext_r

Definition at line 140 of file lex.cc.

Referenced by octave_get_text(), and octave_lex().

#define yytext_ptr yytext_r

Definition at line 350 of file lex.cc.

Typedef Documentation

typedef short int flex_int16_t

Definition at line 58 of file lex.cc.

typedef int flex_int32_t

Definition at line 59 of file lex.cc.

typedef signed char flex_int8_t

Definition at line 57 of file lex.cc.

typedef unsigned short int flex_uint16_t

Definition at line 61 of file lex.cc.

typedef unsigned int flex_uint32_t

Definition at line 62 of file lex.cc.

typedef unsigned char flex_uint8_t

Definition at line 60 of file lex.cc.

typedef struct yy_buffer_state* YY_BUFFER_STATE

Definition at line 185 of file lex.cc.

typedef unsigned char YY_CHAR

Definition at line 346 of file lex.cc.

typedef size_t yy_size_t

Definition at line 212 of file lex.cc.

typedef int yy_state_type

Definition at line 348 of file lex.cc.

typedef void* yyscan_t

Definition at line 131 of file lex.cc.

Function Documentation

DEFUN	(	iskeyword	,
		args
	)

Definition at line 4422 of file lex.cc.

References error_state, is_keyword(), octave_value::length(), octave_kw::name, print_usage(), string_vector::resize(), string_vector::sort(), TOTAL_KEYWORDS, and wordlist.

DEFUN	(	__display_tokens__	,
		args	,
		nargout
	)

Definition at line 4494 of file lex.cc.

References SET_INTERNAL_VARIABLE.

DEFUN ( __token_count__ )

Definition at line 4504 of file lex.cc.

References octave_value(), and Vtoken_count.

DEFUN	(	__lexer_debug_flag__	,
		args	,
		nargout
	)

Definition at line 4513 of file lex.cc.

References lexer_debug_flag, and set_internal_variable().

static void display_character ( char c )

static

Definition at line 4264 of file lex.cc.

Referenced by octave_base_lexer::text_yyinput(), and octave_base_lexer::xunput().

static int input ( yyscan_t yyscanner )

static

Definition at line 3464 of file lex.cc.

References EOB_ACT_CONTINUE_SCAN, EOB_ACT_END_OF_FILE, EOB_ACT_LAST_MATCH, octave_restart(), octave_wrap, yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER_LVALUE, yyguts_t::yy_did_buffer_switch_on_eof, YY_END_OF_BUFFER_CHAR, yy_get_next_buffer(), yyguts_t::yy_hold_char, yyguts_t::yy_n_chars, YY_NEW_FILE, and yyin.

Referenced by octave_base_lexer::input_buffer::fill().

bool is_keyword ( const std::string & s )

Definition at line 4410 of file lex.cc.

References octave_kw_hash::in_word_set().

Referenced by DEFUN(), Fisvarname(), read_mat_ascii_data(), and symbol_exist().

int isatty ( int )

static bool looks_like_copyright ( const std::string & s )

static

Definition at line 4672 of file lex.cc.

Referenced by octave_base_lexer::finish_comment().

static bool looks_like_hex	(	const char *	s,
		int	len
	)

inlinestatic

Definition at line 5168 of file lex.cc.

Referenced by octave_base_lexer::handle_number().

YY_BUFFER_STATE octave__create_buffer	(	FILE *	file,
		int	size,
		yyscan_t	yyscanner
	)

Allocate and initialize an input buffer state.

Parameters

file	A readable stream.
size	The character buffer size in bytes. When in doubt, use `YY_BUF_SIZE`.
yyscanner	The scanner object.

Returns: the allocated buffer state.

Definition at line 3607 of file lex.cc.

References octave__init_buffer(), octave_alloc(), size(), yy_buffer_state::yy_buf_size, yy_buffer_state::yy_ch_buf, YY_FATAL_ERROR, and yy_buffer_state::yy_is_our_buffer.

Referenced by octave_lex(), and octave_restart().

void octave__delete_buffer	(	YY_BUFFER_STATE	b,
		yyscan_t	yyscanner
	)

Destroy the buffer.

Parameters

b	a buffer created with octave__create_buffer()
yyscanner	The scanner object.

Definition at line 3635 of file lex.cc.

References octave_free(), yy_buffer_state::yy_ch_buf, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yy_buffer_state::yy_is_our_buffer.

Referenced by octave_lex_destroy(), and octave_pop_buffer_state().

void octave__flush_buffer	(	YY_BUFFER_STATE	b,
		yyscan_t	yyscanner
	)

Discard all buffered characters.

On the next scan, YY_INPUT will be called.

Parameters

b	the buffer state to be flushed, usually `YY_CURRENT_BUFFER`.
yyscanner	The scanner object.

Definition at line 3688 of file lex.cc.

References octave__load_buffer_state(), yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, YY_BUFFER_NEW, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_CURRENT_BUFFER, YY_END_OF_BUFFER_CHAR, and yy_buffer_state::yy_n_chars.

Referenced by octave__init_buffer().

static void octave__init_buffer	(	YY_BUFFER_STATE	b,
		FILE *	file,
		yyscan_t	yyscanner
	)

static

Definition at line 3659 of file lex.cc.

References isatty(), octave__flush_buffer(), yy_buffer_state::yy_bs_column, yy_buffer_state::yy_bs_lineno, YY_CURRENT_BUFFER, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, and yy_buffer_state::yy_is_interactive.

Referenced by octave__create_buffer(), and octave_restart().

static void octave__load_buffer_state ( yyscan_t yyscanner )

static

Definition at line 3592 of file lex.cc.

References yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER_LVALUE, yyguts_t::yy_hold_char, yyguts_t::yy_n_chars, and yyin.

Referenced by octave__flush_buffer(), octave__switch_to_buffer(), octave_lex(), octave_pop_buffer_state(), octave_push_buffer_state(), and octave_restart().

YY_BUFFER_STATE octave__scan_buffer	(	char *	base,
		yy_size_t	size,
		yyscan_t	yyscanner
	)

Setup the input buffer state to scan directly from a user-specified character buffer.

Parameters

base	the character buffer
size	the size in bytes of the character buffer
yyscanner	The scanner object.

Returns: the newly allocated buffer state object.

Definition at line 3819 of file lex.cc.

References octave__switch_to_buffer(), octave_alloc(), yy_buffer_state::yy_at_bol, yy_buffer_state::yy_buf_pos, yy_buffer_state::yy_buf_size, YY_BUFFER_NEW, yy_buffer_state::yy_buffer_status, yy_buffer_state::yy_ch_buf, YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, yy_buffer_state::yy_fill_buffer, yy_buffer_state::yy_input_file, yy_buffer_state::yy_is_interactive, yy_buffer_state::yy_is_our_buffer, and yy_buffer_state::yy_n_chars.

Referenced by octave__scan_bytes().

YY_BUFFER_STATE octave__scan_bytes	(	char *	yybytes,
		int	_yybytes_len,
		yyscan_t	yyscanner
	)

Setup the input buffer state to scan the given bytes.

The next call to octave_lex() will scan from a copy of bytes.

Parameters

yybytes	the byte buffer to scan
_yybytes_len	the number of bytes in the buffer pointed to by bytes.
yyscanner	The scanner object.

Returns: the newly allocated buffer state object.

Definition at line 3869 of file lex.cc.

References octave__scan_buffer(), octave_alloc(), YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, and yy_buffer_state::yy_is_our_buffer.

Referenced by octave__scan_string().

YY_BUFFER_STATE octave__scan_string	(	char *	yystr,
		yyscan_t	yyscanner
	)

Setup the input buffer state to scan a string.

The next call to octave_lex() will scan from a copy of str.

Parameters

yystr	a NUL-terminated string to scan
yyscanner	The scanner object.

Returns: the newly allocated buffer state object.

Note: If you want to scan bytes that may contain NUL values, then use octave__scan_bytes() instead.

Definition at line 3856 of file lex.cc.

References octave__scan_bytes().

void octave__switch_to_buffer	(	YY_BUFFER_STATE	new_buffer,
		yyscan_t	yyscanner
	)

Switch to a different input buffer.

Parameters

new_buffer	The new input buffer.
yyscanner	The scanner object.

Definition at line 3560 of file lex.cc.

References octave__load_buffer_state(), octave_ensure_buffer_stack(), yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yyguts_t::yy_did_buffer_switch_on_eof, yyguts_t::yy_hold_char, and yyguts_t::yy_n_chars.

Referenced by octave__scan_buffer().

void * octave_alloc	(	yy_size_t	size,
		yyscan_t	yyscanner
	)

Definition at line 4235 of file lex.cc.

Referenced by octave__create_buffer(), octave__scan_buffer(), octave__scan_bytes(), octave_ensure_buffer_stack(), octave_lex_init(), and octave_lex_init_extra().

static void octave_ensure_buffer_stack ( yyscan_t yyscanner )

static

Definition at line 3769 of file lex.cc.

References octave_alloc(), octave_realloc(), yyguts_t::yy_buffer_stack, yyguts_t::yy_buffer_stack_max, yyguts_t::yy_buffer_stack_top, and YY_FATAL_ERROR.

Referenced by octave__switch_to_buffer(), octave_lex(), octave_push_buffer_state(), and octave_restart().

void octave_free	(	void *	ptr,
		yyscan_t	yyscanner
	)

Definition at line 4252 of file lex.cc.

Referenced by octave__delete_buffer(), and octave_lex_destroy().

int octave_get_column ( yyscan_t yyscanner )

Get the current column number.

Parameters

yyscanner The scanner object.

Definition at line 3953 of file lex.cc.

References YY_CURRENT_BUFFER, and yycolumn.

int octave_get_debug ( yyscan_t yyscanner )

Definition at line 4058 of file lex.cc.

References yy_flex_debug.

octave_base_lexer * octave_get_extra ( yyscan_t yyscanner )

Get the user-defined data for this scanner.

Parameters

yyscanner The scanner object.

Definition at line 3931 of file lex.cc.

References yyextra.

FILE * octave_get_in ( yyscan_t yyscanner )

Get the input stream.

Parameters

yyscanner The scanner object.

Definition at line 3966 of file lex.cc.

References yyin.

int octave_get_leng ( yyscan_t yyscanner )

Get the length of the current token.

Parameters

yyscanner The scanner object.

Definition at line 3984 of file lex.cc.

References yyleng.

Referenced by octave_base_lexer::flex_yyleng().

int octave_get_lineno ( yyscan_t yyscanner )

Get the current line number.

Parameters

yyscanner The scanner object.

Definition at line 3940 of file lex.cc.

References YY_CURRENT_BUFFER, and yylineno.

YYSTYPE * octave_get_lval ( yyscan_t yyscanner )

Definition at line 4072 of file lex.cc.

References yylval.

Referenced by octave_base_lexer::current_token(), and octave_base_lexer::push_token().

FILE * octave_get_out ( yyscan_t yyscanner )

Get the output stream.

Parameters

yyscanner The scanner object.

Definition at line 3975 of file lex.cc.

References yyout.

char * octave_get_text ( yyscan_t yyscanner )

Get the current token.

Parameters

yyscanner The scanner object.

Definition at line 3994 of file lex.cc.

References yytext.

Referenced by octave_base_lexer::flex_yytext().

int octave_lex	(	YYSTYPE *	yylval_param,
		yyscan_t	yyscanner
	)

The main scanner function which does all the work.

Definition at line 1329 of file lex.cc.

References ADD_EQ, AND_EQ, octave_comment_elt::block, BLOCK_COMMENT_START, CMD_OR_COMPUTED_ASSIGN_OP, CMD_OR_OP, CMD_OR_UNARY_OP, COMMAND_START, curr_lexer, DIV_EQ, DQ_STRING, DQ_STRING_START, ECHO, EDIV, EDIV_EQ, ELEFTDIV, ELEFTDIV_EQ, EMINUS, EMUL, EMUL_EQ, octave_comment_elt::end_of_line, EOB_ACT_CONTINUE_SCAN, EOB_ACT_END_OF_FILE, EOB_ACT_LAST_MATCH, EPLUS, EPOW, EPOW_EQ, error(), EXPR_AND, EXPR_AND_AND, EXPR_EQ, EXPR_GE, EXPR_GT, EXPR_LE, EXPR_LT, EXPR_NE, EXPR_NOT, EXPR_OR, EXPR_OR_OR, octave_comment_elt::full_line, HANDLE_STRING_CONTINUATION, HERMITIAN, IMAG_NUM, INITIAL, INPUT_FILE, INPUT_FILE_START, LEFTDIV, LEFTDIV_EQ, LEXICAL_ERROR, LINE_COMMENT_START, LSHIFT, LSHIFT_EQ, MATRIX_START, METAQUERY, MINUS_MINUS, MUL_EQ, NUM, octave__create_buffer(), octave__load_buffer_state(), octave_ensure_buffer_stack(), octave_wrap, OR_EQ, PLUS_PLUS, POW, POW_EQ, RSHIFT, RSHIFT_EQ, SQ_STRING, SQ_STRING_START, strip_trailing_whitespace(), SUB_EQ, SUPERCLASSREF, TRANSPOSE, undo_string_escape(), unput, warning_with_id(), yy_accept, YY_AT_BOL, yy_base, YY_BREAK, YY_BUF_SIZE, YY_BUFFER_NEW, YY_BUFFER_NORMAL, yyguts_t::yy_c_buf_p, yy_chk, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_def, yyguts_t::yy_did_buffer_switch_on_eof, YY_DO_BEFORE_ACTION, yy_ec, YY_END_OF_BUFFER, YY_FATAL_ERROR, yy_get_next_buffer(), yy_get_previous_state(), yyguts_t::yy_hold_char, yyguts_t::yy_init, yyguts_t::yy_last_accepting_cpos, yyguts_t::yy_last_accepting_state, yy_meta, YY_MORE_ADJ, yyguts_t::yy_n_chars, YY_NEW_FILE, yy_nxt, YY_RESTORE_YY_MORE_OFFSET, YY_RULE_SETUP, YY_SC_TO_UI, YY_START, yyguts_t::yy_start, YY_STATE_EOF, yy_try_NUL_trans(), yyin, yyleng, yyless, yylval, yyout, and yytext.

int octave_lex_destroy ( yyscan_t yyscanner )

Definition at line 4182 of file lex.cc.

References octave__delete_buffer(), octave_free(), octave_pop_buffer_state(), yyguts_t::yy_buffer_stack, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_init_globals(), and yyguts_t::yy_start_stack.

Referenced by octave_base_lexer::~octave_base_lexer().

int octave_lex_init ( yyscan_t * scanner )

Definition at line 4091 of file lex.cc.

References octave_alloc(), and yy_init_globals().

Referenced by octave_base_lexer::init().

int octave_lex_init_extra	(	octave_base_lexer *	user_defined,
		yyscan_t *	scanner
	)

Definition at line 4120 of file lex.cc.

References octave_alloc(), octave_set_extra(), and yy_init_globals().

void octave_pop_buffer_state ( yyscan_t yyscanner )

Removes and deletes the top of the stack, if present.

The next element becomes the new top.

Parameters

yyscanner The scanner object.

Definition at line 3749 of file lex.cc.

References octave__delete_buffer(), octave__load_buffer_state(), yyguts_t::yy_buffer_stack_top, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yyguts_t::yy_did_buffer_switch_on_eof.

Referenced by octave_lex_destroy().

void octave_push_buffer_state	(	YY_BUFFER_STATE	new_buffer,
		yyscan_t	yyscanner
	)

Pushes the new state onto the stack.

The new state becomes the current state. This function will allocate the stack if necessary.

Parameters

new_buffer	The new state.
yyscanner	The scanner object.

Definition at line 3718 of file lex.cc.

References octave__load_buffer_state(), octave_ensure_buffer_stack(), yyguts_t::yy_buffer_stack_top, yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yyguts_t::yy_did_buffer_switch_on_eof, yyguts_t::yy_hold_char, and yyguts_t::yy_n_chars.

void * octave_realloc	(	void *	ptr,
		yy_size_t	size,
		yyscan_t	yyscanner
	)

Definition at line 4240 of file lex.cc.

Referenced by octave_ensure_buffer_stack(), and yy_get_next_buffer().

void octave_restart	(	FILE *	input_file,
		yyscan_t	yyscanner
	)

Immediately switch to a different input stream.

Parameters

input_file	A readable stream.
yyscanner	The scanner object.

Note: This function does not reset the start condition to INITIAL .

Definition at line 3542 of file lex.cc.

References octave__create_buffer(), octave__init_buffer(), octave__load_buffer_state(), octave_ensure_buffer_stack(), YY_BUF_SIZE, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, and yyin.

Referenced by input(), octave_base_lexer::reset(), and yy_get_next_buffer().

void octave_set_column	(	int	column_no,
		yyscan_t	yyscanner
	)

Set the current column.

Parameters

line_number
yyscanner	The scanner object.

Definition at line 4029 of file lex.cc.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yycolumn.

void octave_set_debug	(	int	debug_flag,
		yyscan_t	yyscanner
	)

Definition at line 4064 of file lex.cc.

References yy_flex_debug.

void octave_set_extra	(	octave_base_lexer *	user_defined,
		yyscan_t	yyscanner
	)

Set the user-defined data.

This data is never touched by the scanner.

Parameters

user_defined	The data to be associated with this scanner.
yyscanner	The scanner object.

Definition at line 4004 of file lex.cc.

References yyextra.

Referenced by octave_base_lexer::init(), and octave_lex_init_extra().

void octave_set_in	(	FILE *	in_str,
		yyscan_t	yyscanner
	)

Set the input stream.

This does not discard the current input buffer.

Parameters

in_str	A readable stream.
yyscanner	The scanner object.

See Also: octave__switch_to_buffer

Definition at line 4046 of file lex.cc.

References yyin.

void octave_set_lineno	(	int	line_number,
		yyscan_t	yyscanner
	)

Set the current line number.

Parameters

line_number
yyscanner	The scanner object.

Definition at line 4014 of file lex.cc.

References YY_CURRENT_BUFFER, yy_fatal_error(), and yylineno.

void octave_set_lval	(	YYSTYPE *	yylval_param,
		yyscan_t	yyscanner
	)

Definition at line 4078 of file lex.cc.

References yylval.

void octave_set_out	(	FILE *	out_str,
		yyscan_t	yyscanner
	)

Definition at line 4052 of file lex.cc.

References yyout.

static std::string strip_trailing_whitespace ( char * s )

static

Definition at line 4482 of file lex.cc.

Referenced by octave_base_lexer::handle_meta_identifier(), octave_base_lexer::handle_superclass_identifier(), and octave_lex().

static void yy_fatal_error	(	char	msg[],
		yyscan_t	yyscanner
	)

static

static void yy_fatal_error	(	char *	msg,
		yyscan_t	yyscanner
	)

static

Definition at line 3903 of file lex.cc.

References void(), and YY_EXIT_FAILURE.

static int yy_get_next_buffer ( yyscan_t yyscanner )

static

Definition at line 3229 of file lex.cc.

References EOB_ACT_CONTINUE_SCAN, EOB_ACT_END_OF_FILE, EOB_ACT_LAST_MATCH, octave_realloc(), octave_restart(), yy_buffer_state::yy_buf_size, YY_BUFFER_EOF_PENDING, yyguts_t::yy_c_buf_p, yy_buffer_state::yy_ch_buf, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, YY_END_OF_BUFFER_CHAR, YY_FATAL_ERROR, YY_INPUT, yy_buffer_state::yy_is_our_buffer, YY_MORE_ADJ, yyguts_t::yy_n_chars, YY_READ_BUF_SIZE, and yyin.

Referenced by input(), and octave_lex().

static yy_state_type yy_get_previous_state ( yyscan_t yyscanner )

static

Definition at line 3364 of file lex.cc.

References yy_accept, YY_AT_BOL, yy_base, yyguts_t::yy_c_buf_p, yy_chk, yy_def, yy_ec, yyguts_t::yy_last_accepting_cpos, yyguts_t::yy_last_accepting_state, yy_meta, YY_MORE_ADJ, yy_nxt, YY_SC_TO_UI, and yyguts_t::yy_start.

Referenced by octave_lex().

static int yy_init_globals ( yyscan_t yyscanner )

static

Definition at line 4148 of file lex.cc.

References yyguts_t::yy_buffer_stack, yyguts_t::yy_buffer_stack_max, yyguts_t::yy_buffer_stack_top, yyguts_t::yy_c_buf_p, yyguts_t::yy_init, yyguts_t::yy_start, yyguts_t::yy_start_stack, yyguts_t::yy_start_stack_depth, yyguts_t::yy_start_stack_ptr, yyin, and yyout.

Referenced by octave_lex_destroy(), octave_lex_init(), and octave_lex_init_extra().

static yy_state_type yy_try_NUL_trans	(	yy_state_type	current_state,
		yyscan_t	yyscanner
	)

static

Definition at line 3398 of file lex.cc.

References yy_accept, yy_base, yyguts_t::yy_c_buf_p, yy_chk, yy_def, yyguts_t::yy_last_accepting_cpos, yyguts_t::yy_last_accepting_state, yy_meta, and yy_nxt.

Referenced by octave_lex().

static void yyunput	(	int	c,
		char *	buf_ptr,
		yyscan_t	yyscanner
	)

static

static void yyunput	(	int	c,
		register char *	yy_bp,
		yyscan_t	yyscanner
	)

static

Definition at line 3422 of file lex.cc.

References yyguts_t::yy_c_buf_p, YY_CURRENT_BUFFER_LVALUE, YY_FATAL_ERROR, yyguts_t::yy_hold_char, and yyguts_t::yy_n_chars.

Variable Documentation

bool lexer_debug_flag = false

static

Definition at line 1077 of file lex.cc.

Referenced by DEFUN(), octave_base_lexer::lexer_debug(), octave_base_lexer::show_token(), octave_base_lexer::text_yyinput(), and octave_base_lexer::xunput().

bool Vdisplay_tokens = false

static

Definition at line 1072 of file lex.cc.

Referenced by octave_base_lexer::show_token().

unsigned int Vtoken_count = 0

static

Definition at line 1074 of file lex.cc.

Referenced by octave_base_lexer::count_token_internal(), and DEFUN().

flex_int16_t yy_accept[358]

static

Definition at line 376 of file lex.cc.

Referenced by octave_lex(), yy_get_previous_state(), and yy_try_NUL_trans().

flex_int16_t yy_base[387]

static

Definition at line 460 of file lex.cc.

Referenced by octave_lex(), yy_get_previous_state(), and yy_try_NUL_trans().

flex_int16_t yy_chk[1299]

static

Definition at line 699 of file lex.cc.

Referenced by octave_lex(), yy_get_previous_state(), and yy_try_NUL_trans().

flex_int16_t yy_def[387]

static

Definition at line 506 of file lex.cc.

Referenced by octave_lex(), yy_get_previous_state(), and yy_try_NUL_trans().

flex_int32_t yy_ec[256]

static

Definition at line 419 of file lex.cc.

Referenced by octave_lex(), and yy_get_previous_state().

flex_int32_t yy_meta[49]

static

Initial value:

    {   0,
        1,    1,    2,    3,    1,    4,    1,    5,    1,    6,
        1,    1,    1,    1,    7,    1,    8,    1,    9,    9,
        9,    1,    7,    1,    1,    1,    1,   10,   11,   11,
        5,    5,    1,    4,    1,    1,   11,   11,   11,    5,
        5,    5,    5,    5,    1,    1,    1,    1
    }

Definition at line 451 of file lex.cc.

Referenced by octave_lex(), yy_get_previous_state(), and yy_try_NUL_trans().

flex_int16_t yy_nxt[1299]

static

Definition at line 552 of file lex.cc.

Referenced by octave_lex(), yy_get_previous_state(), and yy_try_NUL_trans().

Classes

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation