1 /* Copyright (C) 2000 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Authors: Goetz Lindenmaier
6 ** irprog.c: ir representation of a program
13 # include "irprog_t.h"
16 # include "typegmod.h"
18 #define GLOBAL_TYPE_NAME "GlobalType"
20 /* A variable from where everything in the ir can be accessed. */
23 /* initializes ir_prog. Calles the constructor for an ir_prog. */
24 void init_irprog(void) {
28 /* Create a new ir prog. Automatically called by init_firm through
30 ir_prog *new_ir_prog (void) {
33 res = (ir_prog *) malloc (sizeof(ir_prog));
36 /* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
37 res->graphs = NEW_ARR_F (ir_graph *, 1);
38 res->types = NEW_ARR_F (type *, 1);
39 res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
40 strlen(GLOBAL_TYPE_NAME)));
41 add_irp_type((type *)res->glob_type);
50 /** Functions to access the fields of ir_prog **/
53 /* Access the main routine of the compiled program. */
54 ir_graph *get_irp_main_irg() {
59 void set_irp_main_irg(ir_graph *main_irg) {
61 irp->main_irg = main_irg;
64 type *get_glob_type(void) {
66 return irp->glob_type = skip_tid(irp->glob_type);
69 /* Adds irg to the list of ir graphs in irp. */
70 void add_irp_irg(ir_graph *irg) {
72 assert(irp && irp->graphs);
73 ARR_APP1 (ir_graph *, irp->graphs, irg);
76 /* Removes irg from the list or irgs, shrinks the list by one.
77 @@@ does not work properly. */
78 void remove_irp_irg(ir_graph *irg){
81 for (i = 1; i < (ARR_LEN (irp->graphs))-1; i++)
82 if (irp->graphs[i+1] == irg) {
83 for(i++; i < (ARR_LEN (irp->graphs)) - 1; i++)
84 irp->graphs[i] = irp->graphs[i+1];
85 ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
90 int get_irp_n_irgs() {
91 assert (irp && irp->graphs);
92 /* Strangely the first element of the array is NULL. Why?? */
93 return (ARR_LEN((irp)->graphs) - 1);
96 ir_graph *get_irp_irg(int pos){
97 assert (irp && irp->graphs);
98 /* Strangely the first element of the array is NULL. Why?? */
99 return irp->graphs[pos+1];
102 void set_irp_irg(int pos, ir_graph *irg) {
104 assert (pos < (ARR_LEN((irp)->graphs) - 1));
105 /* Strangely the first element of the array is NULL. Why?? */
106 irp->graphs[pos+1] = irg;
109 /* Adds type to the list of types in irp. */
110 void add_irp_type(type *typ) {
111 assert (typ != NULL);
113 ARR_APP1 (type *, irp->types, typ);
116 int get_irp_n_types (void) {
117 assert (irp && irp->types);
118 /* Strangely the first element of the array is NULL. Why?? */
119 return (ARR_LEN((irp)->types) - 1);
122 type *get_irp_type(int pos) {
123 assert (irp && irp->types);
124 /* Strangely the first element of the array is NULL. Why?? */
125 /* Don't set the skip_tid result so that no double entries are generated. */
126 return skip_tid(irp->types[pos+1]);
129 void set_irp_type(int pos, type *typ) {
131 assert (pos < (ARR_LEN((irp)->types) - 1));
132 /* Strangely the first element of the array is NULL. Why?? */
133 irp->types[pos+1] = typ;
137 int get_irp_new_node_nr() {
139 irp->max_node_nr = irp->max_node_nr + 1;
140 return irp->max_node_nr - 1;