parse.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
 
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
    typedef enum { Begin =
            0, End, BeginG, EndG, Node, Edge, Eof, Error } case_t;
 
    typedef struct _case_info {
        int gstart;
        char *guard;
        int astart;
        char *action;
        struct _case_info *next;
    } case_info;
 
    typedef struct _parse_block {
        int l_beging;
        char *begg_stmt;
        size_t n_nstmts;
        size_t n_estmts;
        case_info *node_stmts;
        case_info *edge_stmts;
        struct _parse_block *next;
    } parse_block; 
 
    typedef struct {
        char *source;
        int l_begin, l_end, l_endg;
        char *begin_stmt;
        size_t n_blocks;
        parse_block *blocks;
        char *endg_stmt;
        char *end_stmt;
    } parse_prog;
 
    extern parse_prog *parseProg(char *, int);
    extern void freeParseProg (parse_prog *);
 
#ifdef __cplusplus
}
#endif