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/* Copyright © International Business Machines Corp., 2006
*
* Author: Josh Triplett <josh@freedesktop.org>
*
* Licensed under the Open Software License version 1.1
*/
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <unistd.h>
#include <fcntl.h>
#include "lib.h"
#include "allocate.h"
#include "token.h"
#include "parse.h"
#include "symbol.h"
#include "expression.h"
#include "linearize.h"
static void graph_ep(struct entrypoint *ep)
{
struct basic_block *bb;
printf("ep%p [label=\"%s\",shape=ellipse];\n",
ep, show_ident(ep->name->ident));
FOR_EACH_PTR(ep->bbs, bb) {
printf("bb%p [shape=record,label=\"%s:%d:%d\"]\n", bb,
stream_name(bb->pos.stream), bb->pos.line, bb->pos.pos);
} END_FOR_EACH_PTR(bb);
FOR_EACH_PTR(ep->bbs, bb) {
struct basic_block *child;
FOR_EACH_PTR(bb->children, child) {
printf("bb%p -> bb%p;\n", bb, child);
} END_FOR_EACH_PTR(child);
} END_FOR_EACH_PTR(bb);
printf("ep%p -> bb%p;\n", ep, ep->entry->bb);
}
static void graph_symbols(struct symbol_list *list)
{
struct symbol *sym;
FOR_EACH_PTR(list, sym) {
struct entrypoint *ep;
expand_symbol(sym);
ep = linearize_symbol(sym);
if (ep)
graph_ep(ep);
} END_FOR_EACH_PTR(sym);
}
int main(int argc, char **argv)
{
struct string_list *filelist = NULL;
char *file;
printf("digraph control_flow {\n");
graph_symbols(sparse_initialize(argc, argv, &filelist));
FOR_EACH_PTR_NOTAG(filelist, file) {
graph_symbols(sparse(file));
} END_FOR_EACH_PTR_NOTAG(file);
printf("}\n");
return 0;
}
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