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) {
40 for (i = 1; i < (ARR_LEN (irp->types)); i++) {
42 for (i = ARR_LEN (irp->types) -1; i >= 0; i--) {
44 if (irp->types[i] == typ) {
45 for(; i < (ARR_LEN (irp->types)) - 1; i++) {
46 irp->types[i] = irp->types[i+1];
48 ARR_SETLEN(type*, irp->types, (ARR_LEN(irp->types)) - 1);
54 /* Create a new ir prog. Automatically called by init_firm through
56 ir_prog *new_ir_prog (void) {
59 res = (ir_prog *) malloc (sizeof(ir_prog));
60 memset(res, 0, sizeof(res));
62 /* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
63 res->graphs = NEW_ARR_F (ir_graph *, 1);
64 res->types = NEW_ARR_F (type *, 1);
65 res->name = new_id_from_str("no_name_set");
71 res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
72 strlen(GLOBAL_TYPE_NAME)));
73 /* Remove type from type list. Must be treated differently than
75 remove_irp_type_from_list(res->glob_type);
77 res->const_code_irg = new_const_code_irg();
79 res->outs_state = no_outs;
80 res->ip_outedges = NULL;
85 /* frees all memory used by irp. Types in type list, irgs in irg
86 list and entities in global type must be freed by hand before. */
88 free_type(irp->glob_type);
89 /* @@@ * free_ir_graph(irp->const_code_irg); * ?? End has no in?? */
90 DEL_ARR_F(irp->graphs);
91 DEL_ARR_F(irp->types);
94 irp->const_code_irg = NULL;
97 /*- Functions to access the fields of ir_prog -*/
100 /* Access the main routine of the compiled program. */
101 ir_graph *get_irp_main_irg() {
103 return irp->main_irg;
106 void set_irp_main_irg(ir_graph *main_irg) {
108 irp->main_irg = main_irg;
111 type *get_glob_type(void) {
113 return irp->glob_type = skip_tid(irp->glob_type);
116 /* Adds irg to the list of ir graphs in irp. */
117 void add_irp_irg(ir_graph *irg) {
118 assert (irg != NULL);
119 assert(irp && irp->graphs);
120 ARR_APP1 (ir_graph *, irp->graphs, irg);
123 /* Removes irg from the list or irgs, shrinks the list by one. */
124 void remove_irp_irg(ir_graph *irg){
128 for (i = 1; i < (ARR_LEN (irp->graphs)); i++) {
129 if (irp->graphs[i] == irg) {
130 for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
131 irp->graphs[i] = irp->graphs[i+1];
133 ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
139 int get_irp_n_irgs() {
140 assert (irp && irp->graphs);
141 /* Strangely the first element of the array is NULL. Why?? */
142 return (ARR_LEN((irp)->graphs) - 1);
145 ir_graph *get_irp_irg(int pos){
146 assert (irp && irp->graphs);
147 /* Strangely the first element of the array is NULL. Why?? */
148 return irp->graphs[pos+1];
151 void set_irp_irg(int pos, ir_graph *irg) {
153 assert (pos < (ARR_LEN((irp)->graphs) - 1));
154 /* Strangely the first element of the array is NULL. Why?? */
155 irp->graphs[pos+1] = irg;
158 /* Adds type to the list of types in irp. */
159 void add_irp_type(type *typ) {
160 assert (typ != NULL);
162 ARR_APP1 (type *, irp->types, typ);
165 void remove_irp_type(type *typ) {
166 remove_irp_type_from_list (typ);
169 int get_irp_n_types (void) {
170 assert (irp && irp->types);
171 /* Strangely the first element of the array is NULL. Why?? */
172 return (ARR_LEN((irp)->types) - 1);
175 type *get_irp_type(int pos) {
176 assert (irp && irp->types);
177 /* Strangely the first element of the array is NULL. Why?? */
178 /* Don't set the skip_tid result so that no double entries are generated. */
179 return skip_tid(irp->types[pos+1]);
182 void set_irp_type(int pos, type *typ) {
184 assert (pos < (ARR_LEN((irp)->types) - 1));
185 /* Strangely the first element of the array is NULL. Why?? */
186 irp->types[pos+1] = typ;
190 int get_irp_new_node_nr() {
192 irp->max_node_nr = irp->max_node_nr + 1;
193 return irp->max_node_nr - 1;
197 /*- File name / executable name or the like -*/
198 void set_irp_prog_name(ident *name) {
201 ident *get_irp_prog_ident(void) {
204 const char *get_irp_prog_name(void) {
205 return get_id_str(irp->name);
209 ir_graph *get_const_code_irg(void)
211 return irp->const_code_irg;
214 irg_outs_state get_irp_ip_outs_state() {
215 return irp->outs_state;
217 void set_irp_ip_outs_inconsistent() {
218 irp->outs_state = outs_inconsistent;
220 void set_irp_ip_outedges(ir_node ** ip_outedges)
222 irp -> ip_outedges = ip_outedges;
225 ir_node** get_irp_ip_outedges(void)
227 return(irp -> ip_outedges);