bcomps.c File Reference

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <getopt.h>
#include <stdlib.h>
#include <cgraph/agxbuf.h>
#include <cgraph/alloc.h>
#include <cgraph/cgraph.h>
#include <cgraph/exit.h>
#include <cgraph/gv_math.h>
#include <cgraph/ingraphs.h>
#include <cgraph/stack.h>
#include <cgraph/unreachable.h>

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Data Structures
struct	Agraphinfo_t
struct	Agedgeinfo_t
struct	Agnodeinfo_t
struct	bcstate

Macros
#define	Low(n)   (((Agnodeinfo_t*)(n->base.data))->low)
#define	Cut(n)   (((Agnodeinfo_t*)(n->base.data))->isCut)
#define	N(n)   (((Agnodeinfo_t*)(n->base.data))->val)
#define	NEXTBLK(g)   (((Agraphinfo_t*)(g->base.data))->next)

Functions
static char *	blockName (agxbuf *xb, char *gname, int d)
static char *	getName (int ng, int nb)
static void	gwrite (Agraph_t *g, int ng, int nb)
static Agraph_t *	mkBlock (Agraph_t *g, bcstate *stp)
static void	dfs (Agraph_t *g, Agnode_t *u, bcstate *stp, Agnode_t *parent)
static void	addCutPts (Agraph_t *tree, Agraph_t *blk)
static int	process (Agraph_t *g, int gcnt)
static void	usage (int v)
static void	split (char *name)
static void	init (int argc, char *argv[])
int	main (int argc, char *argv[])

Variables
char **	Files
int	verbose
int	silent
char *	outfile = 0
char *	path = 0
char *	suffix = 0
int	external
int	doTree
static char *	useString

Macro Definition Documentation

Cut

#define Cut

(

n

)

(((Agnodeinfo_t*)(n->base.data))->isCut)

Definition at line 57 of file bcomps.c.

Low

#define Low

(

n

)

(((Agnodeinfo_t*)(n->base.data))->low)

Definition at line 56 of file bcomps.c.

N

#define N

(

n

)

(((Agnodeinfo_t*)(n->base.data))->val)

Definition at line 58 of file bcomps.c.

NEXTBLK

#define NEXTBLK

(

g

)

(((Agraphinfo_t*)(g->base.data))->next)

Definition at line 59 of file bcomps.c.

Function Documentation

addCutPts()

static void addCutPts ( Agraph_t *  tree, Agraph_t *  blk  )

static

Definition at line 188 of file bcomps.c.

References agedge(), agfstnode(), agnameof(), agnode(), agnxtnode(), Cut, and tree.

Referenced by process().

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blockName()

static char * blockName ( agxbuf *  xb, char *  gname, int  d  )

static

Definition at line 77 of file bcomps.c.

References agxbprint(), agxbuse(), and gname.

Referenced by mkBlock().

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dfs()

static void dfs ( Agraph_t *  g, Agnode_t *  u, bcstate *  stp, Agnode_t *  parent  )

static

Definition at line 153 of file bcomps.c.

References agfstedge(), aghead, agnxtedge(), agsubnode(), agtail, bcstate::count, Cut, dfs(), imin(), Low, mkBlock(), N, parent, stack_pop(), stack_push(), and bcstate::stk.

Referenced by dfs(), and process().

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getName()

static char * getName ( int  ng, int  nb  )

static

Definition at line 91 of file bcomps.c.

References agxbdisown(), agxbprint(), agxbput(), outfile, and suffix.

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gwrite()

static void gwrite ( Agraph_t *  g, int  ng, int  nb  )

static

Definition at line 113 of file bcomps.c.

References agwrite(), free(), getName(), graphviz_exit(), outfile, and silent.

Referenced by process().

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init()

static void init ( int  argc, char *  argv[]  )

static

Definition at line 289 of file bcomps.c.

References doTree, external, Files, outfile, silent, split(), UNREACHABLE, usage, and verbose.

Referenced by main().

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main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 336 of file bcomps.c.

References agclose(), Files, graphviz_exit(), init(), newIngraph(), nextGraph(), and process().

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mkBlock()

static Agraph_t * mkBlock ( Agraph_t *  g, bcstate *  stp  )

static

Definition at line 138 of file bcomps.c.

References agbindrec(), agnameof(), agsubg(), agxbfree(), bcstate::blks, blockName(), bcstate::nComp, and NEXTBLK.

Referenced by createOneBlock(), dfs(), and makeBlock().

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process()

static int process ( Agraph_t *  g, int  gcnt  )

static

Definition at line 203 of file bcomps.c.

References addCutPts(), agclose(), AGEDGE, agfstnode(), aginit(), agnameof(), AGNODE, agnxtnode(), agopen(), AGRAPH, Agstrictundirected, Cut, dfs(), doTree, external, graphviz_node_induce(), gwrite(), N, NEXTBLK, stack_reset(), state, tree, and verbose.

Referenced by main().

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split()

static void split ( char *  name )

static

Definition at line 275 of file bcomps.c.

References gv_strndup(), and suffix.

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usage()

static void usage ( int  v )

static

Definition at line 269 of file bcomps.c.

References graphviz_exit(), and useString.

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Variable Documentation

doTree

int doTree

Definition at line 68 of file bcomps.c.

Referenced by init(), and process().

external

int external

Definition at line 67 of file bcomps.c.

Referenced by init(), and process().

Files

char** Files

Definition at line 61 of file bcomps.c.

Referenced by init(), init(), init(), and main().

outfile

char* outfile = 0

Definition at line 64 of file bcomps.c.

Referenced by getName(), gwrite(), and init().

path

char* path = 0

Definition at line 65 of file bcomps.c.

silent

int silent

Definition at line 63 of file bcomps.c.

Referenced by gwrite(), and init().

suffix

char* suffix = 0

Definition at line 66 of file bcomps.c.

Referenced by getName(), gvplugin_library_load(), smyrnaPath(), and split().

useString

char* useString

static

Initial value:

=
    "Usage: bcomps [-stvx?] [-o<out template>] <files>\n\
  -o - output file template\n\
  -s - don't print components\n\
  -t - emit block-cutpoint tree\n\
  -v - verbose\n\
  -x - external\n\
  -? - print usage\n\
If no files are specified, stdin is used\n"

Definition at line 259 of file bcomps.c.

Referenced by usage().

verbose

int verbose

Definition at line 62 of file bcomps.c.

Referenced by init(), process(), resolve(), SWIG_Ruby_GetModule(), and SWIG_RubyInitializeTrackings().