ExampleFlexLexer Class Reference

#include <FlexLexer.h>

Inheritance diagram for ExampleFlexLexer:

List of all members.

Public Member Functions
	ExampleFlexLexer (std::istream *arg_yyin=0, std::ostream *arg_yyout=0)
virtual	~ExampleFlexLexer ()
void	yy_switch_to_buffer (struct yy_buffer_state *new_buffer)
struct yy_buffer_state *	yy_create_buffer (std::istream *s, int size)
	Allocate and initialize an input buffer state.
void	yy_delete_buffer (struct yy_buffer_state *b)
void	yyrestart (std::istream *s)
	Immediately switch to a different input stream.
void	yypush_buffer_state (struct yy_buffer_state *new_buffer)
void	yypop_buffer_state ()
	Removes and deletes the top of the stack, if present.
virtual int	yylex ()
	The main scanner function which does all the work.
virtual void	switch_streams (std::istream *new_in, std::ostream *new_out)
virtual int	yywrap ()
Protected Member Functions
virtual int	LexerInput (char *buf, int max_size)
virtual void	LexerOutput (const char *buf, int size)
virtual void	LexerError (const char *msg)
void	yyunput (int c, char *buf_ptr)
int	yyinput ()
void	yy_load_buffer_state ()
void	yy_init_buffer (struct yy_buffer_state *b, std::istream *s)
void	yy_flush_buffer (struct yy_buffer_state *b)
void	yy_push_state (int new_state)
void	yy_pop_state ()
int	yy_top_state ()
yy_state_type	yy_get_previous_state ()
yy_state_type	yy_try_NUL_trans (yy_state_type current_state)
int	yy_get_next_buffer ()
void	yyensure_buffer_stack (void)
Protected Attributes
int	yy_start_stack_ptr
int	yy_start_stack_depth
int *	yy_start_stack
std::istream *	yyin
std::ostream *	yyout
char	yy_hold_char
int	yy_n_chars
char *	yy_c_buf_p
int	yy_init
int	yy_start
int	yy_did_buffer_switch_on_eof
size_t	yy_buffer_stack_top
	index of top of stack.
size_t	yy_buffer_stack_max
	capacity of stack.
struct yy_buffer_state **	yy_buffer_stack
	Stack as an array.
yy_state_type	yy_last_accepting_state
char *	yy_last_accepting_cpos
yy_state_type *	yy_state_buf
yy_state_type *	yy_state_ptr
char *	yy_full_match
int *	yy_full_state
int	yy_full_lp
int	yy_lp
int	yy_looking_for_trail_begin
int	yy_more_flag
int	yy_more_len
int	yy_more_offset
int	yy_prev_more_offset

---

Detailed Description

Definition at line 112 of file FlexLexer.h.

---

Constructor & Destructor Documentation

ExampleFlexLexer::ExampleFlexLexer	(	std::istream *	arg_yyin = 0,
		std::ostream *	arg_yyout = 0
	)

Definition at line 996 of file scanner.cc.

References yy_buffer_stack, yy_buffer_stack_max, yy_buffer_stack_top, yy_c_buf_p, yy_did_buffer_switch_on_eof, FlexLexer::yy_flex_debug, yy_init, yy_looking_for_trail_begin, yy_more_flag, yy_more_len, yy_more_offset, yy_prev_more_offset, yy_start, yy_start_stack, yy_start_stack_depth, yy_start_stack_ptr, yy_state_buf, yyin, FlexLexer::yylineno, and yyout.

ExampleFlexLexer::~ExampleFlexLexer

(

)

[virtual]

Definition at line 1026 of file scanner.cc.

References Examplefree(), yy_buffer_stack, YY_CURRENT_BUFFER, yy_delete_buffer(), yy_start_stack, and yy_state_buf.

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Member Function Documentation

void ExampleFlexLexer::yy_switch_to_buffer

(

struct yy_buffer_state *

new_buffer

)

[virtual]

Implements FlexLexer.

Referenced by switch_streams().

YY_BUFFER_STATE ExampleFlexLexer::yy_create_buffer	(	std::istream *	file,
		int	size
	)			[read, virtual]

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.

Returns:

the allocated buffer state.

Implements FlexLexer.

Definition at line 1501 of file scanner.cc.

References Examplealloc(), yy_buffer_state::yy_buf_size, yy_buffer_state::yy_ch_buf, YY_FATAL_ERROR, yy_init_buffer(), and yy_buffer_state::yy_is_our_buffer.

Referenced by switch_streams(), and yyrestart().

void ExampleFlexLexer::yy_delete_buffer

(

struct yy_buffer_state *

b

)

[virtual]

Implements FlexLexer.

Referenced by switch_streams(), yypop_buffer_state(), and ~ExampleFlexLexer().

void ExampleFlexLexer::yyrestart

(

std::istream *

input_file

)

[virtual]

Immediately switch to a different input stream.

Parameters:

input_file

A readable stream.

Note:

This function does not reset the start condition to INITIAL .

Implements FlexLexer.

Definition at line 1427 of file scanner.cc.

References YY_BUF_SIZE, yy_create_buffer(), YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_init_buffer(), yy_load_buffer_state(), yyensure_buffer_stack(), and yyin.

Referenced by yy_get_next_buffer(), and yyinput().

void ExampleFlexLexer::yypush_buffer_state

(

struct yy_buffer_state *

new_buffer

)

void ExampleFlexLexer::yypop_buffer_state

(

void

)

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

The next element becomes the new top.

Definition at line 1670 of file scanner.cc.

References yy_buffer_stack_top, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_delete_buffer(), yy_did_buffer_switch_on_eof, and yy_load_buffer_state().

int ExampleFlexLexer::yylex

(

)

[virtual]

The main scanner function which does all the work.

Implements FlexLexer.

Definition at line 672 of file scanner.cc.

References example::Parser::token::DOUBLE, ECHO, EOB_ACT_CONTINUE_SCAN, EOB_ACT_END_OF_FILE, EOB_ACT_LAST_MATCH, example::Parser::token::EOL, INITIAL, example::Parser::token::INTEGER, example::Parser::token::STRING, yy_accept, yy_base, YY_BREAK, YY_BUF_SIZE, YY_BUFFER_NEW, YY_BUFFER_NORMAL, yy_chk, YY_CURRENT_BUFFER, YY_CURRENT_BUFFER_LVALUE, yy_def, YY_DO_BEFORE_ACTION, yy_ec, YY_END_OF_BUFFER, YY_FATAL_ERROR, yy_meta, YY_MORE_ADJ, YY_NEW_FILE, yy_nxt, YY_RESTORE_YY_MORE_OFFSET, yy_rule_linenum, YY_RULE_SETUP, YY_SC_TO_UI, YY_START, YY_STATE_EOF, yyleng, yyterminate, and yytext_ptr.

void ExampleFlexLexer::switch_streams	(	std::istream *	new_in,
		std::ostream *	new_out
	)			[virtual]

Implements FlexLexer.

Definition at line 1036 of file scanner.cc.

References YY_BUF_SIZE, yy_create_buffer(), YY_CURRENT_BUFFER, yy_delete_buffer(), yy_switch_to_buffer(), and yyout.

int ExampleFlexLexer::yywrap

(

)

[virtual]

Definition at line 1947 of file scanner.cc.

Referenced by yyinput().

int ExampleFlexLexer::LexerInput	(	char *	buf,
		int	max_size
	)			[protected, virtual]

Definition at line 1051 of file scanner.cc.

References yyin.

void ExampleFlexLexer::LexerOutput	(	const char *	buf,
		int	size
	)			[protected, virtual]

Definition at line 1078 of file scanner.cc.

References yyout.

virtual void ExampleFlexLexer::LexerError

(

const char *

msg

)

[protected, virtual]

void ExampleFlexLexer::yyunput	(	int	c,
		char *	buf_ptr
	)			[protected]

int ExampleFlexLexer::yyinput

(

)

[protected]

Definition at line 1347 of file scanner.cc.

References EOB_ACT_CONTINUE_SCAN, EOB_ACT_END_OF_FILE, EOB_ACT_LAST_MATCH, yy_c_buf_p, YY_CURRENT_BUFFER_LVALUE, yy_did_buffer_switch_on_eof, YY_END_OF_BUFFER_CHAR, yy_get_next_buffer(), yy_hold_char, yy_n_chars, YY_NEW_FILE, yyin, yyrestart(), yytext_ptr, and yywrap().

void ExampleFlexLexer::yy_load_buffer_state

(

)

[protected]

Definition at line 1483 of file scanner.cc.

References yy_c_buf_p, YY_CURRENT_BUFFER_LVALUE, yy_hold_char, yy_n_chars, yyin, and yytext_ptr.

Referenced by yypop_buffer_state(), and yyrestart().

void ExampleFlexLexer::yy_init_buffer	(	struct yy_buffer_state *	b,
		std::istream *	s
	)			[protected]

Referenced by yy_create_buffer(), and yyrestart().

void ExampleFlexLexer::yy_flush_buffer

(

struct yy_buffer_state *

b

)

[protected]

void ExampleFlexLexer::yy_push_state

(

int

new_state

)

[protected]

Definition at line 1752 of file scanner.cc.

References BEGIN, Examplealloc(), Examplerealloc(), YY_FATAL_ERROR, YY_START, yy_start_stack, yy_start_stack_depth, YY_START_STACK_INCR, and yy_start_stack_ptr.

void ExampleFlexLexer::yy_pop_state

(

)

[protected]

Definition at line 1780 of file scanner.cc.

References BEGIN, YY_FATAL_ERROR, yy_start_stack, and yy_start_stack_ptr.

int ExampleFlexLexer::yy_top_state

(

)

[protected]

Definition at line 1792 of file scanner.cc.

References yy_start_stack, and yy_start_stack_ptr.

yy_state_type ExampleFlexLexer::yy_get_previous_state

(

)

[protected]

Definition at line 1236 of file scanner.cc.

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

yy_state_type ExampleFlexLexer::yy_try_NUL_trans

(

yy_state_type

current_state

)

[protected]

Definition at line 1274 of file scanner.cc.

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

int ExampleFlexLexer::yy_get_next_buffer

(

)

[protected]

Definition at line 1096 of file scanner.cc.

References EOB_ACT_CONTINUE_SCAN, EOB_ACT_END_OF_FILE, EOB_ACT_LAST_MATCH, Examplerealloc(), yy_buffer_state::yy_buf_size, YY_BUFFER_EOF_PENDING, 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, yy_n_chars, YY_READ_BUF_SIZE, yyin, yyrestart(), and yytext_ptr.

Referenced by yyinput().

void ExampleFlexLexer::yyensure_buffer_stack

(

void

)

[protected]

Definition at line 1695 of file scanner.cc.

References Examplealloc(), Examplerealloc(), yy_buffer_stack, yy_buffer_stack_max, yy_buffer_stack_top, and YY_FATAL_ERROR.

Referenced by yyrestart().

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Member Data Documentation

int ExampleFlexLexer::yy_start_stack_ptr [protected]

Definition at line 150 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), yy_pop_state(), yy_push_state(), and yy_top_state().

int ExampleFlexLexer::yy_start_stack_depth [protected]

Definition at line 151 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), and yy_push_state().

int* ExampleFlexLexer::yy_start_stack [protected]

Definition at line 152 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), yy_pop_state(), yy_push_state(), yy_top_state(), and ~ExampleFlexLexer().

std:: istream* ExampleFlexLexer::yyin [protected]

Definition at line 162 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), LexerInput(), yy_get_next_buffer(), yy_load_buffer_state(), yyinput(), and yyrestart().

std:: ostream* ExampleFlexLexer::yyout [protected]

Definition at line 163 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), LexerOutput(), and switch_streams().

char ExampleFlexLexer::yy_hold_char [protected]

Definition at line 166 of file FlexLexer.h.

Referenced by yy_load_buffer_state(), and yyinput().

int ExampleFlexLexer::yy_n_chars [protected]

Definition at line 169 of file FlexLexer.h.

Referenced by yy_get_next_buffer(), yy_load_buffer_state(), and yyinput().

char* ExampleFlexLexer::yy_c_buf_p [protected]

Definition at line 172 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), yy_get_next_buffer(), yy_get_previous_state(), yy_load_buffer_state(), yy_try_NUL_trans(), and yyinput().

int ExampleFlexLexer::yy_init [protected]

Definition at line 174 of file FlexLexer.h.

Referenced by ExampleFlexLexer().

int ExampleFlexLexer::yy_start [protected]

Definition at line 175 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), and yy_get_previous_state().

int ExampleFlexLexer::yy_did_buffer_switch_on_eof [protected]

Definition at line 179 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), yyinput(), and yypop_buffer_state().

size_t ExampleFlexLexer::yy_buffer_stack_top [protected]

index of top of stack.

Definition at line 182 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), yyensure_buffer_stack(), and yypop_buffer_state().

size_t ExampleFlexLexer::yy_buffer_stack_max [protected]

capacity of stack.

Definition at line 183 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), and yyensure_buffer_stack().

struct yy_buffer_state** ExampleFlexLexer::yy_buffer_stack [read, protected]

Stack as an array.

Definition at line 184 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), yyensure_buffer_stack(), and ~ExampleFlexLexer().

yy_state_type ExampleFlexLexer::yy_last_accepting_state [protected]

Definition at line 190 of file FlexLexer.h.

Referenced by yy_get_previous_state(), and yy_try_NUL_trans().

char* ExampleFlexLexer::yy_last_accepting_cpos [protected]

Definition at line 191 of file FlexLexer.h.

Referenced by yy_get_previous_state(), and yy_try_NUL_trans().

yy_state_type* ExampleFlexLexer::yy_state_buf [protected]

Definition at line 193 of file FlexLexer.h.

Referenced by ExampleFlexLexer(), and ~ExampleFlexLexer().

yy_state_type* ExampleFlexLexer::yy_state_ptr [protected]

Definition at line 194 of file FlexLexer.h.

char* ExampleFlexLexer::yy_full_match [protected]

Definition at line 196 of file FlexLexer.h.

int* ExampleFlexLexer::yy_full_state [protected]

Definition at line 197 of file FlexLexer.h.

int ExampleFlexLexer::yy_full_lp [protected]

Definition at line 198 of file FlexLexer.h.

int ExampleFlexLexer::yy_lp [protected]

Definition at line 200 of file FlexLexer.h.

int ExampleFlexLexer::yy_looking_for_trail_begin [protected]

Definition at line 201 of file FlexLexer.h.

Referenced by ExampleFlexLexer().

int ExampleFlexLexer::yy_more_flag [protected]

Definition at line 203 of file FlexLexer.h.

Referenced by ExampleFlexLexer().

int ExampleFlexLexer::yy_more_len [protected]

Definition at line 204 of file FlexLexer.h.

Referenced by ExampleFlexLexer().

int ExampleFlexLexer::yy_more_offset [protected]

Definition at line 205 of file FlexLexer.h.

Referenced by ExampleFlexLexer().

int ExampleFlexLexer::yy_prev_more_offset [protected]

Definition at line 206 of file FlexLexer.h.

Referenced by ExampleFlexLexer().

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

• src/FlexLexer.h
• src/scanner.cc