1 b6d98463 2006-04-14 devnull #include <stdio.h>
2 b6d98463 2006-04-14 devnull #include "pic.h"
3 b6d98463 2006-04-14 devnull #include "y.tab.h"
5 b6d98463 2006-04-14 devnull #define NBRACK 20 /* depth of [...] */
6 b6d98463 2006-04-14 devnull #define NBRACE 20 /* depth of {...} */
8 b6d98463 2006-04-14 devnull struct pushstack stack[NBRACK];
9 b6d98463 2006-04-14 devnull int nstack = 0;
10 b6d98463 2006-04-14 devnull struct pushstack bracestack[NBRACE];
11 b6d98463 2006-04-14 devnull int nbstack = 0;
14 b6d98463 2006-04-14 devnull leftthing(int c) /* called for {... or [... */
15 b6d98463 2006-04-14 devnull /* really ought to be separate functions */
19 b6d98463 2006-04-14 devnull if (c == '[') {
20 b6d98463 2006-04-14 devnull if (nstack >= NBRACK)
21 b6d98463 2006-04-14 devnull ERROR "[...] nested too deep" FATAL;
22 b6d98463 2006-04-14 devnull stack[nstack].p_x = curx;
23 b6d98463 2006-04-14 devnull stack[nstack].p_y = cury;
24 b6d98463 2006-04-14 devnull stack[nstack].p_hvmode = hvmode;
25 b6d98463 2006-04-14 devnull curx = cury = 0;
26 b6d98463 2006-04-14 devnull stack[nstack].p_xmin = xmin;
27 b6d98463 2006-04-14 devnull stack[nstack].p_xmax = xmax;
28 b6d98463 2006-04-14 devnull stack[nstack].p_ymin = ymin;
29 b6d98463 2006-04-14 devnull stack[nstack].p_ymax = ymax;
30 b6d98463 2006-04-14 devnull nstack++;
31 b6d98463 2006-04-14 devnull xmin = ymin = 30000;
32 b6d98463 2006-04-14 devnull xmax = ymax = -30000;
33 b6d98463 2006-04-14 devnull p = makenode(BLOCK, 7);
34 b6d98463 2006-04-14 devnull p->o_val[4] = nobj; /* 1st item within [...] */
35 b6d98463 2006-04-14 devnull if (p->o_nobj != nobj-1)
36 b6d98463 2006-04-14 devnull fprintf(stderr, "nobjs wrong%d %d\n", p->o_nobj, nobj);
38 b6d98463 2006-04-14 devnull if (nbstack >= NBRACK)
39 b6d98463 2006-04-14 devnull ERROR "{...} nested too deep" FATAL;
40 b6d98463 2006-04-14 devnull bracestack[nbstack].p_x = curx;
41 b6d98463 2006-04-14 devnull bracestack[nbstack].p_y = cury;
42 b6d98463 2006-04-14 devnull bracestack[nbstack].p_hvmode = hvmode;
43 b6d98463 2006-04-14 devnull nbstack++;
44 b6d98463 2006-04-14 devnull p = NULL;
46 b6d98463 2006-04-14 devnull return(p);
50 b6d98463 2006-04-14 devnull rightthing(obj *p, int c) /* called for ... ] or ... } */
54 b6d98463 2006-04-14 devnull if (c == '}') {
55 b6d98463 2006-04-14 devnull nbstack--;
56 b6d98463 2006-04-14 devnull curx = bracestack[nbstack].p_x;
57 b6d98463 2006-04-14 devnull cury = bracestack[nbstack].p_y;
58 b6d98463 2006-04-14 devnull hvmode = bracestack[nbstack].p_hvmode;
59 b6d98463 2006-04-14 devnull q = makenode(MOVE, 0);
60 b6d98463 2006-04-14 devnull dprintf("M %g %g\n", curx, cury);
62 b6d98463 2006-04-14 devnull nstack--;
63 b6d98463 2006-04-14 devnull curx = stack[nstack].p_x;
64 b6d98463 2006-04-14 devnull cury = stack[nstack].p_y;
65 b6d98463 2006-04-14 devnull hvmode = stack[nstack].p_hvmode;
66 b6d98463 2006-04-14 devnull q = makenode(BLOCKEND, 7);
67 b6d98463 2006-04-14 devnull q->o_val[4] = p->o_nobj + 1; /* back pointer */
68 b6d98463 2006-04-14 devnull p->o_val[5] = q->o_nobj - 1; /* forward pointer */
69 b6d98463 2006-04-14 devnull p->o_val[0] = xmin; p->o_val[1] = ymin;
70 b6d98463 2006-04-14 devnull p->o_val[2] = xmax; p->o_val[3] = ymax;
71 b6d98463 2006-04-14 devnull p->o_symtab = q->o_symtab = stack[nstack+1].p_symtab;
72 b6d98463 2006-04-14 devnull xmin = stack[nstack].p_xmin;
73 b6d98463 2006-04-14 devnull ymin = stack[nstack].p_ymin;
74 b6d98463 2006-04-14 devnull xmax = stack[nstack].p_xmax;
75 b6d98463 2006-04-14 devnull ymax = stack[nstack].p_ymax;
77 b6d98463 2006-04-14 devnull return(q);
81 b6d98463 2006-04-14 devnull blockgen(obj *p, obj *q) /* handles [...] */
83 b6d98463 2006-04-14 devnull int i, invis, at, with;
84 b6d98463 2006-04-14 devnull double ddval, h, w, xwith, ywith;
85 b6d98463 2006-04-14 devnull double x0, y0, x1, y1, cx, cy;
86 b6d98463 2006-04-14 devnull obj *ppos;
87 b6d98463 2006-04-14 devnull Attr *ap;
89 b6d98463 2006-04-14 devnull invis = at = 0;
90 b6d98463 2006-04-14 devnull with = xwith = ywith = 0;
91 b6d98463 2006-04-14 devnull ddval = 0;
92 b6d98463 2006-04-14 devnull w = p->o_val[2] - p->o_val[0];
93 b6d98463 2006-04-14 devnull h = p->o_val[3] - p->o_val[1];
94 b6d98463 2006-04-14 devnull cx = (p->o_val[2] + p->o_val[0]) / 2; /* geom ctr of [] wrt local orogin */
95 b6d98463 2006-04-14 devnull cy = (p->o_val[3] + p->o_val[1]) / 2;
96 b6d98463 2006-04-14 devnull dprintf("cx,cy=%g,%g\n", cx, cy);
97 b6d98463 2006-04-14 devnull for (i = 0; i < nattr; i++) {
98 b6d98463 2006-04-14 devnull ap = &attr[i];
99 b6d98463 2006-04-14 devnull switch (ap->a_type) {
100 b6d98463 2006-04-14 devnull case HEIGHT:
101 b6d98463 2006-04-14 devnull h = ap->a_val.f;
103 b6d98463 2006-04-14 devnull case WIDTH:
104 b6d98463 2006-04-14 devnull w = ap->a_val.f;
106 b6d98463 2006-04-14 devnull case WITH:
107 b6d98463 2006-04-14 devnull with = ap->a_val.i; /* corner */
109 b6d98463 2006-04-14 devnull case PLACE: /* actually with position ... */
110 b6d98463 2006-04-14 devnull ppos = ap->a_val.o;
111 b6d98463 2006-04-14 devnull xwith = cx - ppos->o_x;
112 b6d98463 2006-04-14 devnull ywith = cy - ppos->o_y;
113 b6d98463 2006-04-14 devnull with = PLACE;
115 b6d98463 2006-04-14 devnull case AT:
116 b6d98463 2006-04-14 devnull case FROM:
117 b6d98463 2006-04-14 devnull ppos = ap->a_val.o;
118 b6d98463 2006-04-14 devnull curx = ppos->o_x;
119 b6d98463 2006-04-14 devnull cury = ppos->o_y;
122 b6d98463 2006-04-14 devnull case INVIS:
123 b6d98463 2006-04-14 devnull invis = INVIS;
125 b6d98463 2006-04-14 devnull case TEXTATTR:
126 b6d98463 2006-04-14 devnull savetext(ap->a_sub, ap->a_val.p);
130 b6d98463 2006-04-14 devnull if (with) {
131 b6d98463 2006-04-14 devnull switch (with) {
132 b6d98463 2006-04-14 devnull case NORTH: ywith = -h / 2; break;
133 b6d98463 2006-04-14 devnull case SOUTH: ywith = h / 2; break;
134 b6d98463 2006-04-14 devnull case EAST: xwith = -w / 2; break;
135 b6d98463 2006-04-14 devnull case WEST: xwith = w / 2; break;
136 b6d98463 2006-04-14 devnull case NE: xwith = -w / 2; ywith = -h / 2; break;
137 b6d98463 2006-04-14 devnull case SE: xwith = -w / 2; ywith = h / 2; break;
138 b6d98463 2006-04-14 devnull case NW: xwith = w / 2; ywith = -h / 2; break;
139 b6d98463 2006-04-14 devnull case SW: xwith = w / 2; ywith = h / 2; break;
141 b6d98463 2006-04-14 devnull curx += xwith;
142 b6d98463 2006-04-14 devnull cury += ywith;
144 b6d98463 2006-04-14 devnull if (!at) {
145 b6d98463 2006-04-14 devnull if (isright(hvmode))
146 b6d98463 2006-04-14 devnull curx += w / 2;
147 b6d98463 2006-04-14 devnull else if (isleft(hvmode))
148 b6d98463 2006-04-14 devnull curx -= w / 2;
149 b6d98463 2006-04-14 devnull else if (isup(hvmode))
150 b6d98463 2006-04-14 devnull cury += h / 2;
152 b6d98463 2006-04-14 devnull cury -= h / 2;
154 b6d98463 2006-04-14 devnull x0 = curx - w / 2;
155 b6d98463 2006-04-14 devnull y0 = cury - h / 2;
156 b6d98463 2006-04-14 devnull x1 = curx + w / 2;
157 b6d98463 2006-04-14 devnull y1 = cury + h / 2;
158 b6d98463 2006-04-14 devnull extreme(x0, y0);
159 b6d98463 2006-04-14 devnull extreme(x1, y1);
160 b6d98463 2006-04-14 devnull p->o_x = curx;
161 b6d98463 2006-04-14 devnull p->o_y = cury;
162 b6d98463 2006-04-14 devnull p->o_nt1 = ntext1;
163 b6d98463 2006-04-14 devnull p->o_nt2 = ntext;
164 b6d98463 2006-04-14 devnull ntext1 = ntext;
165 b6d98463 2006-04-14 devnull p->o_val[0] = w;
166 b6d98463 2006-04-14 devnull p->o_val[1] = h;
167 b6d98463 2006-04-14 devnull p->o_val[2] = cx;
168 b6d98463 2006-04-14 devnull p->o_val[3] = cy;
169 b6d98463 2006-04-14 devnull p->o_val[5] = q->o_nobj - 1; /* last item in [...] */
170 b6d98463 2006-04-14 devnull p->o_ddval = ddval;
171 b6d98463 2006-04-14 devnull p->o_attr = invis;
172 b6d98463 2006-04-14 devnull dprintf("[] %g %g %g %g at %g %g, h=%g, w=%g\n", x0, y0, x1, y1, curx, cury, h, w);
173 b6d98463 2006-04-14 devnull if (isright(hvmode))
174 b6d98463 2006-04-14 devnull curx = x1;
175 b6d98463 2006-04-14 devnull else if (isleft(hvmode))
176 b6d98463 2006-04-14 devnull curx = x0;
177 b6d98463 2006-04-14 devnull else if (isup(hvmode))
178 b6d98463 2006-04-14 devnull cury = y1;
180 b6d98463 2006-04-14 devnull cury = y0;
181 b6d98463 2006-04-14 devnull for (i = 0; i <= 5; i++)
182 b6d98463 2006-04-14 devnull q->o_val[i] = p->o_val[i];
183 b6d98463 2006-04-14 devnull stack[nstack+1].p_symtab = NULL; /* so won't be found again */
184 b6d98463 2006-04-14 devnull blockadj(p); /* fix up coords for enclosed blocks */
185 b6d98463 2006-04-14 devnull return(p);
189 b6d98463 2006-04-14 devnull blockadj(obj *p) /* adjust coords in block starting at p */
191 b6d98463 2006-04-14 devnull double dx, dy;
192 b6d98463 2006-04-14 devnull int n, lev;
194 b6d98463 2006-04-14 devnull dx = p->o_x - p->o_val[2];
195 b6d98463 2006-04-14 devnull dy = p->o_y - p->o_val[3];
196 b6d98463 2006-04-14 devnull n = p->o_nobj + 1;
197 b6d98463 2006-04-14 devnull dprintf("into blockadj: dx,dy=%g,%g\n", dx, dy);
198 b6d98463 2006-04-14 devnull for (lev = 1; lev > 0; n++) {
199 b6d98463 2006-04-14 devnull p = objlist[n];
200 b6d98463 2006-04-14 devnull if (p->o_type == BLOCK)
202 b6d98463 2006-04-14 devnull else if (p->o_type == BLOCKEND)
204 b6d98463 2006-04-14 devnull dprintf("blockadj: type=%d o_x,y=%g,%g;", p->o_type, p->o_x, p->o_y);
205 b6d98463 2006-04-14 devnull p->o_x += dx;
206 b6d98463 2006-04-14 devnull p->o_y += dy;
207 b6d98463 2006-04-14 devnull dprintf(" becomes %g,%g\n", p->o_x, p->o_y);
208 b6d98463 2006-04-14 devnull switch (p->o_type) { /* other absolute coords */
209 b6d98463 2006-04-14 devnull case LINE:
210 b6d98463 2006-04-14 devnull case ARROW:
211 b6d98463 2006-04-14 devnull case SPLINE:
212 b6d98463 2006-04-14 devnull p->o_val[0] += dx;
213 b6d98463 2006-04-14 devnull p->o_val[1] += dy;
215 b6d98463 2006-04-14 devnull case ARC:
216 b6d98463 2006-04-14 devnull p->o_val[0] += dx;
217 b6d98463 2006-04-14 devnull p->o_val[1] += dy;
218 b6d98463 2006-04-14 devnull p->o_val[2] += dx;
219 b6d98463 2006-04-14 devnull p->o_val[3] += dy;
