scan.l File Reference

#include <assert.h>
#include <grammar.h>
#include <cgraph/cghdr.h>
#include <cgraph/agxbuf.h>
#include <cgraph/gv_ctype.h>
#include <cgraph/startswith.h>
#include <stdbool.h>
#include <stddef.h>
#include <string.h>

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Macros
#define	GRAPH_EOF_TOKEN   '@' /* lex class must be defined below */
#define	isatty(x)   gv_isatty_suppression
#define	YY_INPUT(buf, result, max_size)
#define	YY_CALL_ONLY_ARG   void

Functions
void	agreadline (int n)
	sets input line number for subsequent error reporting
void	agsetfile (const char *f)
	sets the current file name for subsequent error reporting
void	aglexinit (Agdisc_t *disc, void *ifile)
static void	beginstr (void)
static void	addstr (char *src)
static void	endstr (void)
static void	endstr_html (void)
static void	storeFileName (char *fname, size_t len)
static void	ppDirective (void)
static bool	twoDots (void)
static int	chkNum (void)
int	yylex (void)
void	aagerror (const char *str)
void	aglexeof (void)
void	aglexbad (void)
int	aagwrap (YY_CALL_ONLY_ARG)

Variables
static int	line_num = 1
static int	html_nest = 0
static const char *	InputFile
static Agdisc_t *	Disc
static void *	Ifile
static int	graphType
int	gv_isatty_suppression
static agxbuf	Sbuf

Macro Definition Documentation

GRAPH_EOF_TOKEN

#define GRAPH_EOF_TOKEN   '@' /* lex class must be defined below */

Definition at line 40 of file scan.l.

isatty

#define isatty

(

x

)

gv_isatty_suppression

Definition at line 67 of file scan.l.

YY_CALL_ONLY_ARG

#define YY_CALL_ONLY_ARG   void

Definition at line 270 of file scan.l.

YY_INPUT

#define YY_INPUT	(		buf,
			result,
			max_size
	)

Value:

        if ((result = Disc->io->afread(Ifile, buf, max_size)) < 0) \
                YY_FATAL_ERROR( "input in flex scanner failed" )

Definition at line 71 of file scan.l.

Function Documentation

aagerror()

void aagerror

(

const char *

str

)

Definition at line 228 of file scan.l.

References agerrorf(), agxbfree(), agxblen(), agxbprint(), agxbputc(), agxbuse(), BEGIN, comment, hstring, INITIAL, InputFile, line_num, qstring, Sbuf, str, YY_BUF_SIZE, and YYSTATE.

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aagwrap()

int aagwrap

(

YY_CALL_ONLY_ARG

)

Definition at line 273 of file scan.l.

addstr()

static void addstr ( char *  src )

static

Definition at line 86 of file scan.l.

References agxbput(), and Sbuf.

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aglexbad()

void aglexbad

(

void

)

Definition at line 267 of file scan.l.

References YY_FLUSH_BUFFER.

Referenced by agconcat().

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aglexeof()

void aglexeof

(

void

)

Definition at line 265 of file scan.l.

References GRAPH_EOF_TOKEN, and unput.

Referenced by endgraph(), and endgraph().

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aglexinit()

void aglexinit	(	Agdisc_t *	disc,
		void *	ifile
	)

Definition at line 60 of file scan.l.

References Disc, Disc, graphType, graphType, Ifile, and Ifile.

Referenced by agconcat().

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beginstr()

static void beginstr ( void  )

static

Definition at line 79 of file scan.l.

References agxblen(), and Sbuf.

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chkNum()

static int chkNum ( void  )

static

Definition at line 155 of file scan.l.

References agwarningf(), fname, gv_isdigit(), InputFile, line_num, and twoDots().

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endstr()

static void endstr ( void  )

static

Definition at line 90 of file scan.l.

References aaglval, Ag_G_global, agstrdup(), agxbuse(), Sbuf, and AAGSTYPE::str.

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endstr_html()

static void endstr_html ( void  )

static

Definition at line 94 of file scan.l.

References aaglval, Ag_G_global, agstrdup_html(), agxbuse(), Sbuf, and AAGSTYPE::str.

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ppDirective()

static void ppDirective ( void  )

static

Definition at line 114 of file scan.l.

References cnt(), line_num, lineno, startswith(), and storeFileName().

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storeFileName()

static void storeFileName ( char *  fname, size_t  len  )

static

Definition at line 98 of file scan.l.

References cnt(), fname, gv_realloc(), InputFile, and len().

Referenced by ppDirective().

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twoDots()

static bool twoDots ( void  )

static

Definition at line 144 of file scan.l.

References dot, and NULL.

Referenced by chkNum().

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yylex()

int yylex

(

void

)

Definition at line 190 of file scan.l.

Variable Documentation

Disc

Agdisc_t* Disc

static

Definition at line 45 of file scan.l.

Referenced by aglexinit().

graphType

int graphType

static

Definition at line 47 of file scan.l.

Referenced by aglexinit().

gv_isatty_suppression

int gv_isatty_suppression

Definition at line 68 of file scan.l.

html_nest

int html_nest = 0

static

Definition at line 43 of file scan.l.

Ifile

void* Ifile

static

Definition at line 46 of file scan.l.

Referenced by aglexinit().

InputFile

const char* InputFile

static

Definition at line 44 of file scan.l.

Referenced by aagerror(), agsetfile(), chkNum(), and storeFileName().

line_num

int line_num = 1

static

Definition at line 42 of file scan.l.

Referenced by aagerror(), agreadline(), agsetfile(), chkNum(), and ppDirective().

Sbuf

agxbuf Sbuf

static

Definition at line 77 of file scan.l.

Referenced by aagerror(), addstr(), beginstr(), endstr(), and endstr_html().