BSD 4 release

[unix-history] / usr / src / cmd / struct / 0.parts.c

#include <stdio.h>
#include "def.h"

char *typename[TYPENUM] = {"STLNVX",    "IFVX",         "DOVX",         "IOVX", "FMTVX",
                       "COMPVX",       "ASVX",         "ASGOVX",       "LOOPVX",       "WHIVX",
                       "UNTVX",        "ITERVX",       "THENVX",       "STOPVX",       "RETVX",
                       "DUMVX",        "GOVX",         "BRKVX",        "NXTVX",        "SWCHVX",
                       "ACASVX",       "ICASVX"
       };
int hascom[TYPENUM]     = {2,           2,              2,              2,              2,
                       2,              2,              2,              0,              0,
                       0,              0,              2,              0,              0,
                       0,              0,              0,              0,              2,
                       2,              0
                       };

int nonarcs[TYPENUM]    = {FIXED+3,     FIXED+4,        FIXED+2,        FIXED+3,        FIXED+2,
                       FIXED+2,        FIXED+2,        FIXED+2,        FIXED+1,        FIXED+1,
                       FIXED+1,        FIXED+4,        FIXED+3,        FIXED,          FIXED,
                       FIXED+2,        FIXED+1,        FIXED + 1,      FIXED + 1,      FIXED+3,
                       FIXED+4,        FIXED+2
                       };

int childper[TYPENUM]   = {0,   2,      1,      0,      0,
                       0,      0,      0,      1,      1,
                       1,      1,      1,      0,      0,
                       1,      0,      0,      0,      1,
                       2,      1
                       };

int arcsper[TYPENUM]    = {1,           2,              2,      3,      0,
                       -(FIXED+1),     1,      -(FIXED+1),     1,      1,
                       1,              1,              2,      0,      0,
                       -FIXED,         1,      1,              1,      -(FIXED+1),
                       2,              1
                       };

VERT *arc(v,i)
VERT v;
int i;
       {
       ASSERT(DEFINED(v),arc);
       ASSERT(0 <= i && i < ARCNUM(v), arc);
       return(&graph[v][nonarcs[NTYPE(v)] + i ]);
       }

VERT *lchild(v,i)
VERT v; int i;
       {
       ASSERT(DEFINED(v),lchild);
       ASSERT(0 <= i && i < childper[NTYPE(v)],lchild);
       return(&graph[v][nonarcs[NTYPE(v)]-i-1]);
       }

int *vxpart(v,type,j)
VERT v;
int type,j;
       {
       ASSERT((NTYPE(v) == type) && (0 <= j) && (j < nonarcs[type] - FIXED), vxpart);
       return(&graph[v][FIXED+j]);
       }

int *expres(v)
VERT v;
       {
       int ty;
       ty = NTYPE(v);
       ASSERT(ty == COMPVX || ty == ASGOVX || ty == ASVX || ty == SWCHVX || ty == ICASVX,expres);
       return(&graph[v][FIXED]);
       }

int *negpart(v)
VERT v;
       {
       ASSERT(NTYPE(v) == IFVX || NTYPE(v) == ACASVX,negpart);
       return(&graph[v][FIXED+1]);
       }

int *predic(v)
VERT v;
       {
       ASSERT(NTYPE(v) == IFVX || NTYPE(v) == ACASVX, predic);
       return(&graph[v][FIXED]);
       }

int *level(v)
VERT v;
       {
       ASSERT(NTYPE(v) == GOVX || NTYPE(v) == BRKVX || NTYPE(v) == NXTVX, level);
       return(&graph[v][FIXED]);
       }
int *stlfmt(v,n)
VERT v;
int n;
       {
       ASSERT(NTYPE(v) == STLNVX || NTYPE(v) == FMTVX,stlfmt);
       return(&graph[v][FIXED + n]);
       }

create(type,arcnum)
int type, arcnum;
       {
       int i, *temp, wds;
       if (nodenum >= maxnode)
               {
               maxnode += 100;
               temp=realloc(graph,maxnode*sizeof(*graph));
               free(graph);
               graph=temp;
               }
       wds = nonarcs[type] + arcnum;
       graph[nodenum] = galloc(sizeof(*graph) * wds);
       for (i = 0; i < wds; i++)  graph[nodenum][i] = 0;
       NTYPE(nodenum) = type;
       if (arcsper[type] < 0)
               ARCNUM(nodenum) = arcnum;
       
       return(nodenum++);
       }