ngspice/src/frontend/parser/complete.h

34 lines
1005 B
C

/*************
* Header file for complete.c
* 1999 E. Rouat
************/
#ifndef ngspice_COMPLETE_H
#define ngspice_COMPLETE_H
/* The data structure for the commands is as follows: every node has a pointer
* to its leftmost child, where the children of a node are those of which
* the node is a prefix. This means that for a word like "ducks", there
* must be nodes "d", "du", "duc", etc (which are all marked "invalid",
* of course). This data structure is called a "trie".
*/
#define NARGS 4
struct ccom {
char *cc_name; /* Command or keyword name. */
long cc_kwords[NARGS]; /* What this command takes. */
char cc_invalid; /* This node has been deleted. */
struct ccom *cc_child; /* Left-most child. */
struct ccom *cc_sibling; /* Right (alph. greater) sibling. */
struct ccom *cc_ysibling; /* Left (alph. less) sibling. */
struct ccom *cc_parent; /* Parent node. */
};
void throwaway(struct ccom *dbase);
#endif