2 * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @file bechordal_draw.c
24 * @author Sebastian Hack
26 * Paint chordal graphs.
28 * Copyright (C) 2005 Universitaet Karlsruhe
29 * Released under the GPL
42 #include "iredges_t.h"
45 #include "bechordal_t.h"
46 #include "besched_t.h"
47 #include "bechordal_draw.h"
50 be_chordal_env_t *env;
56 #define decl_self(type, from) \
57 type *self = (type *) from
59 static void set_color(plotter_t *_self, const color_t *color)
61 decl_self(base_plotter_t, _self);
65 static const color_t *get_color(const plotter_t *_self)
67 decl_self(const base_plotter_t, _self);
71 static void set_width(plotter_t *_self, int width)
73 decl_self(base_plotter_t, _self);
77 static int get_width(const plotter_t *_self)
79 decl_self(const base_plotter_t, _self);
83 static void plotter_default_free(plotter_t *self)
96 | _ \/ ___| | _ \| | ___ | |_| |_ ___ _ __
97 | |_) \___ \ | |_) | |/ _ \| __| __/ _ \ '__|
98 | __/ ___) | | __/| | (_) | |_| || __/ |
99 |_| |____/ |_| |_|\___/ \__|\__\___|_|
103 static void ps_begin(plotter_t *_self, const rect_t *vis)
106 decl_self(ps_plotter_t, _self);
108 f = self->f = fopen(self->filename, "wt");
109 fprintf(f, "%%!PS-Adobe-2.0\n");
110 fprintf(f, "%%%%BoundingBox: %d %d %d %d\n", vis->x, vis->y, vis->w, vis->h);
112 fprintf(f, "/mainfont /Courier findfont %f scalefont def\n", 10.0);
113 fprintf(f, "mainfont setfont\n");
117 static void ps_setcolor(plotter_t *_self, const color_t *color)
119 decl_self(ps_plotter_t, _self);
120 set_color(_self, color);
122 fprintf(self->f, "%.2f %.2f %.2f setrgbcolor\n",
123 color->r, color->g, color->b);
126 static void ps_line(plotter_t *_self, int x1, int y1, int x2, int y2)
128 decl_self(ps_plotter_t, _self);
130 fprintf(self->f, "%d %d moveto\n", x1, y1);
131 fprintf(self->f, "%d %d lineto\n", x2, y2);
132 fprintf(self->f, "stroke\n");
135 static void ps_box(plotter_t *_self, const rect_t *rect)
137 decl_self(ps_plotter_t, _self);
139 fprintf(self->f, "%d %d %d %d rectstroke\n",
140 rect->x, rect->y, rect->w, rect->h);
143 void ps_text(plotter_t *_self, int x, int y, const char *str)
145 decl_self(ps_plotter_t, _self);
147 fprintf(self->f, "%d %d moveto\n", x, y);
148 fprintf(self->f, "(%s) show\n", str);
151 static void ps_finish(plotter_t *_self)
153 decl_self(ps_plotter_t, _self);
157 const plotter_if_t ps_plotter_vtab = {
170 plotter_t *new_plotter_ps(const char *filename)
172 ps_plotter_t *ps_plotter = xmalloc(sizeof(*ps_plotter));
173 plotter_t *p = (plotter_t *) ps_plotter;
175 ps_plotter->filename = filename;
176 p->vtab = &ps_plotter_vtab;
181 _____ _ _ _____ ____ _ _ _
182 |_ _(_) | __|__ / | _ \| | ___ | |_| |_ ___ _ __
183 | | | | |/ / / / | |_) | |/ _ \| __| __/ _ \ '__|
184 | | | | < / /_ | __/| | (_) | |_| || __/ |
185 |_| |_|_|\_\/____| |_| |_|\___/ \__|\__\___|_|
192 const char *filename;
196 static void tikz_begin(plotter_t *_self, const rect_t *vis)
199 decl_self(tikz_plotter_t, _self);
201 f = self->f = fopen(self->filename, "wt");
202 fprintf(f, "\\begin{tikzpicture}\n");
205 static void tikz_setcolor(plotter_t *_self, const color_t *color)
207 set_color(_self, color);
210 static void tikz_line(plotter_t *_self, int x1, int y1, int x2, int y2)
212 decl_self(tikz_plotter_t, _self);
213 fprintf(self->f, "\t\\draw (%d,%d) -- (%d,%d);\n", x1, y1, x2, y2);
216 static void tikz_box(plotter_t *_self, const rect_t *rect)
218 decl_self(tikz_plotter_t, _self);
220 fprintf(self->f, "\t\\draw (%d,%d) rectangle (%d, %d)\n",
221 rect->x, rect->y, rect->x + rect->w, rect->y + rect->h);
224 void tikz_text(plotter_t *_self, int x, int y, const char *str)
226 decl_self(tikz_plotter_t, _self);
227 fprintf(self->f, "\t\\draw (%d,%d) node {%s};\n", x, y, str);
230 static void tikz_finish(plotter_t *_self)
232 decl_self(tikz_plotter_t, _self);
238 extern void plotter_free(plotter_t *self)
240 self->vtab->free(self);
244 const draw_chordal_opts_t draw_chordal_def_opts = {
245 10, 10, 30, 8, 10, 10
248 typedef struct _draw_chordal_env_t {
249 const be_chordal_env_t *chordal_env;
250 const arch_env_t *arch_env;
251 const arch_register_class_t *cls;
254 const draw_chordal_opts_t *opts;
258 } draw_chordal_env_t;
269 static INLINE int min(int a, int b)
271 return a < b ? a : b;
275 static INLINE int max(int a, int b)
277 return a > b ? a : b;
280 #define doz(a, b) max((a) - (b), 0)
282 static void block_dims_walker(ir_node *block, void *data)
284 draw_chordal_env_t *env = data;
286 struct list_head *head = get_block_border_head(env->chordal_env, block);
287 const draw_chordal_opts_t *opts = env->opts;
288 struct block_dims *dims = obstack_alloc(&env->obst, sizeof(*dims));
290 memset(dims, 0, sizeof(*dims));
291 dims->min_step = INT_MAX;
293 list_for_each_entry_reverse(border_t, b, head, list) {
294 ir_node *irn = b->irn;
295 const arch_register_t *reg = arch_get_irn_register(env->arch_env, irn);
296 int col = arch_register_get_index(reg);
298 dims->max_step = max(dims->max_step, b->step);
299 dims->max_color = max(dims->max_color, col);
300 env->max_color = max(env->max_color, col);
306 dims->box.w = (dims->max_color + 2) * opts->h_inter_gap;
307 dims->box.h = dims->max_step * opts->v_inter_gap;
309 dims->box.w = dims->box.h = 10;
312 pmap_insert(env->block_dims, block, dims);
315 static void layout(const draw_chordal_env_t *env, ir_node *bl, int x)
317 const draw_chordal_opts_t *opts = env->opts;
318 struct block_dims *dims = pmap_get(env->block_dims, bl);
320 rect_t *rect = &dims->subtree_box;
321 int h_space = 0, v_space = 0;
323 memset(rect, 0, sizeof(*rect));
326 dominates_for_each(bl, sub) {
327 struct block_dims *bl_dim = pmap_get(env->block_dims, sub);
329 layout(env, sub, rect->x + rect->w);
331 rect->w += h_space + bl_dim->subtree_box.w;
332 rect->h = max(rect->h, bl_dim->subtree_box.h);
334 h_space = opts->h_gap;
335 v_space = opts->v_gap;
338 rect->w = max(rect->w, dims->box.w + opts->h_gap);
340 dims->box.x = x + doz(rect->w, dims->box.w) / 2;
341 dims->box.y = rect->h + v_space;
343 rect->h += dims->box.h + v_space;
346 static void set_y(const draw_chordal_env_t *env, ir_node *bl, int up)
348 const draw_chordal_opts_t *opts = env->opts;
349 struct block_dims *dims = pmap_get(env->block_dims, bl);
350 int max_height = dims->subtree_box.h - dims->box.h - opts->v_gap;
353 dominates_for_each(bl, sub) {
354 struct block_dims *bl_dim = pmap_get(env->block_dims, sub);
355 int height_diff = max_height - bl_dim->subtree_box.h;
357 set_y(env, sub, up + height_diff);
360 dims->subtree_box.y += up;
364 static color_t *reg_to_color(const draw_chordal_env_t *env,
365 ir_node *rel_bl, ir_node *irn, color_t *color)
368 const ir_edge_t *edge;
370 foreach_out_edge(irn, edge)
371 phi_arg |= is_Phi(edge->src);
374 color->r = is_Phi(irn) ? 0.5 : 0.0;
375 color->g = phi_arg ? 0.5 : 0.0;
379 int live_in = is_live_in(rel_bl, irn);
380 int live_out = is_live_out(rel_bl, irn);
392 static void draw_block(ir_node *bl, void *data)
394 static const color_t black = { 0, 0, 0 };
396 const draw_chordal_env_t *env = data;
397 const be_lv_t *lv = be_get_birg_liveness(env->chordal_env->birg);
398 pset *live_in = be_lv_pset_put_in(lv, bl, pset_new_ptr_default());
401 struct list_head *head = get_block_border_head(env->chordal_env, bl);
402 ir_node *dom = get_Block_idom(bl);
403 const draw_chordal_opts_t *opts = env->opts;
404 struct block_dims *dims = pmap_get(env->block_dims, bl);
407 ir_snprintf(buf, sizeof(buf), "%F", bl);
409 env->plotter->vtab->set_color(env->plotter, &black);
410 env->plotter->vtab->box(env->plotter, &dims->box);
413 env->plotter->vtab->text(env->plotter, dims->box.x, dims->box.y, buf);
416 list_for_each_entry(border_t, b, head, list) {
418 const arch_register_t *reg = arch_get_irn_register(env->arch_env, b->irn);
419 int col = arch_register_get_index(reg);
420 int live_out = be_is_live_out(lv, bl, b->irn);
421 int x = (col + 1) * opts->h_inter_gap;
422 int ystart = (b->step) * opts->v_inter_gap;
423 int ystop = (b->other_end->step)
424 * opts->v_inter_gap + (live_out ? 0 : opts->v_inter_gap / 2);
427 reg_to_color(env, bl, b->irn, &color);
430 ystart += dims->box.y;
431 ystop += dims->box.y;
433 env->plotter->vtab->set_color(env->plotter, &color);
434 env->plotter->vtab->line(env->plotter, x, ystart, x, ystop);
436 env->plotter->vtab->line(env->plotter, x - 2, ystart, x + 2, ystart);
437 env->plotter->vtab->line(env->plotter, x - 2, ystop, x + 2, ystop);
442 struct block_dims *dom_dims = pmap_get(env->block_dims, dom);
444 for(irn = pset_first(live_in); irn; irn = pset_next(live_in)) {
445 if(arch_irn_has_reg_class(env->arch_env, irn, -1, env->cls)) {
446 const arch_register_t *reg = arch_get_irn_register(env->arch_env, irn);
447 int col = arch_register_get_index(reg);
448 int x = (col + 1) * opts->h_inter_gap;
451 reg_to_color(env, bl, irn, &color);
453 env->plotter->vtab->set_color(env->plotter, &color);
454 env->plotter->vtab->line(env->plotter,
456 dims->box.y + dims->box.h,
466 static void draw(draw_chordal_env_t *env, const rect_t *start_box)
468 plotter_t *p = env->plotter;
472 bbox.w = start_box->w + 2 * env->opts->x_margin;
473 bbox.h = start_box->h + 2 * env->opts->y_margin;
475 be_assure_liveness(env->chordal_env->birg);
477 p->vtab->begin(p, &bbox);
478 irg_block_walk_graph(env->chordal_env->irg, draw_block, NULL, env);
482 void draw_interval_tree(const draw_chordal_opts_t *opts,
483 const be_chordal_env_t *chordal_env,
486 draw_chordal_env_t env;
487 struct block_dims *start_dims;
488 ir_node *start_block = get_irg_start_block(chordal_env->irg);
490 env.arch_env = chordal_env->birg->main_env->arch_env;
492 env.block_dims = pmap_create();
493 env.plotter = plotter;
494 env.cls = chordal_env->cls;
496 env.chordal_env = chordal_env;
497 obstack_init(&env.obst);
499 irg_block_walk_graph(chordal_env->irg, block_dims_walker, NULL, &env);
500 layout(&env, start_block, opts->x_margin);
501 set_y(&env, start_block, opts->y_margin);
502 start_dims = pmap_get(env.block_dims, start_block);
503 draw(&env, &start_dims->subtree_box);
505 pmap_destroy(env.block_dims);
506 obstack_free(&env.obst, NULL);