compile.h

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/*************************************************************************
 * Copyright (c) 2011 AT&T Intellectual Property 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors: Details at https://graphviz.org
 *************************************************************************/
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <sfio/sfio.h>
#include <parse.h>
#include <gprstate.h>
#include <expr/expr.h>
#include <stddef.h>
#include <stdio.h>
 
    typedef struct {
        Exnode_t *guard;
        Exnode_t *action;
    } case_stmt;
 
#define UDATA "userval"
 
    typedef struct {
        Agrec_t h;
        Extype_t iu;
        Agedge_t* ine;
    } nval_t;
 
    typedef struct {
        Agrec_t h;
        char lock;
    } gval_t;
 
    typedef struct {
        Agrec_t h;
    } uval_t;
 
#define OBJ(p) ((Agobj_t*)p)
 
    typedef nval_t ndata;
    typedef uval_t edata;
    typedef gval_t gdata;
 
#define nData(n)    ((ndata*)(aggetrec(n,UDATA,0)))
#define gData(g)    ((gdata*)(aggetrec(g,UDATA,0)))
 
#define SRCOUT    0x1
#define INDUCE    0x2
#define CLONE     0x4
 
#define WALKSG    0x1
#define BEGG      0x2
#define ENDG      0x4
 
    typedef struct {
        Exnode_t *begg_stmt;
        int walks;
        size_t n_nstmts;
        size_t n_estmts;
        case_stmt *node_stmts;
        case_stmt *edge_stmts;
    } comp_block; 
 
    typedef struct {
        int flags;
        Expr_t *prog;
        Exnode_t *begin_stmt;
        size_t n_blocks;
        comp_block  *blocks;
        Exnode_t *endg_stmt;
        Exnode_t *end_stmt;
    } comp_prog;
 
    extern comp_prog *compileProg(parse_prog *, Gpr_t *, int);
    extern void freeCompileProg (comp_prog *p);
    extern int usesGraph(comp_prog *);
    extern int walksGraph(comp_block *);
    extern Agraph_t *readG(FILE *fp);
    extern Agraph_t *openG(char *name, Agdesc_t);
    extern Agraph_t *openSubg(Agraph_t * g, char *name);
    extern Agnode_t *openNode(Agraph_t * g, char *name);
    extern Agedge_t *openEdge(Agraph_t* g, Agnode_t * t, Agnode_t * h, char *key);
 
#ifdef __cplusplus
}
#endif