3 * File name: ir/ir/irprog.c
4 * Purpose: Entry point to the representation of a whole program.
5 * Author: Goetz Lindenmaier
9 * Copyright: (c) 2000-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
19 # include "irprog_t.h"
20 # include "irgraph_t.h"
23 # include "typegmod.h"
25 #define GLOBAL_TYPE_NAME "GlobalType"
27 /* A variable from where everything in the ir can be accessed. */
29 ir_prog *get_irp() { return irp; }
31 /* initializes ir_prog. Calles the constructor for an ir_prog. */
32 void init_irprog(void) {
36 INLINE void remove_irp_type_from_list (type *typ) {
39 for (i = 1; i < (ARR_LEN (irp->types)); i++) {
40 if (irp->types[i] == typ) {
41 for(; i < (ARR_LEN (irp->types)) - 1; i++) {
42 irp->types[i] = irp->types[i+1];
44 ARR_SETLEN(type*, irp->types, (ARR_LEN(irp->types)) - 1);
50 /* Create a new ir prog. Automatically called by init_firm through
52 ir_prog *new_ir_prog (void) {
55 res = (ir_prog *) malloc (sizeof(ir_prog));
56 memset(res, 0, sizeof(res));
58 /* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
59 res->graphs = NEW_ARR_F (ir_graph *, 1);
60 res->types = NEW_ARR_F (type *, 1);
67 res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
68 strlen(GLOBAL_TYPE_NAME)));
69 /* Remove type from type list. Must be treated differently than
71 remove_irp_type_from_list(res->glob_type);
73 res->const_code_irg = new_const_code_irg();
79 /* frees all memory used by irp. Types in type list, irgs in irg
80 list and entities in global type must be freed by hand before. */
82 free_type(irp->glob_type);
83 /* @@@ * free_ir_graph(irp->const_code_irg); * ?? End has no in?? */
84 DEL_ARR_F(irp->graphs);
85 DEL_ARR_F(irp->types);
88 irp->const_code_irg = NULL;
91 /** Functions to access the fields of ir_prog **/
94 /* Access the main routine of the compiled program. */
95 ir_graph *get_irp_main_irg() {
100 void set_irp_main_irg(ir_graph *main_irg) {
102 irp->main_irg = main_irg;
105 type *get_glob_type(void) {
107 return irp->glob_type = skip_tid(irp->glob_type);
110 /* Adds irg to the list of ir graphs in irp. */
111 void add_irp_irg(ir_graph *irg) {
112 assert (irg != NULL);
113 assert(irp && irp->graphs);
114 ARR_APP1 (ir_graph *, irp->graphs, irg);
117 /* Removes irg from the list or irgs, shrinks the list by one. */
118 void remove_irp_irg(ir_graph *irg){
122 for (i = 1; i < (ARR_LEN (irp->graphs)); i++) {
123 if (irp->graphs[i] == irg) {
124 for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
125 irp->graphs[i] = irp->graphs[i+1];
127 ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
133 int get_irp_n_irgs() {
134 assert (irp && irp->graphs);
135 /* Strangely the first element of the array is NULL. Why?? */
136 return (ARR_LEN((irp)->graphs) - 1);
139 ir_graph *get_irp_irg(int pos){
140 assert (irp && irp->graphs);
141 /* Strangely the first element of the array is NULL. Why?? */
142 return irp->graphs[pos+1];
145 void set_irp_irg(int pos, ir_graph *irg) {
147 assert (pos < (ARR_LEN((irp)->graphs) - 1));
148 /* Strangely the first element of the array is NULL. Why?? */
149 irp->graphs[pos+1] = irg;
152 /* Adds type to the list of types in irp. */
153 void add_irp_type(type *typ) {
154 assert (typ != NULL);
156 ARR_APP1 (type *, irp->types, typ);
159 void remove_irp_type(type *typ) {
160 remove_irp_type_from_list (typ);
163 int get_irp_n_types (void) {
164 assert (irp && irp->types);
165 /* Strangely the first element of the array is NULL. Why?? */
166 return (ARR_LEN((irp)->types) - 1);
169 type *get_irp_type(int pos) {
170 assert (irp && irp->types);
171 /* Strangely the first element of the array is NULL. Why?? */
172 /* Don't set the skip_tid result so that no double entries are generated. */
173 return skip_tid(irp->types[pos+1]);
176 void set_irp_type(int pos, type *typ) {
178 assert (pos < (ARR_LEN((irp)->types) - 1));
179 /* Strangely the first element of the array is NULL. Why?? */
180 irp->types[pos+1] = typ;
184 int get_irp_new_node_nr() {
186 irp->max_node_nr = irp->max_node_nr + 1;
187 return irp->max_node_nr - 1;
191 /** File name / executable name or the like **/
192 void set_irp_prog_name(ident *name) {
195 ident *get_irp_prog_ident(void) {
198 const char *get_irp_prog_name(void) {
199 return get_id_str(irp->name);
203 ir_graph *get_const_code_irg(void)
205 return irp->const_code_irg;