1 /* Copyright (C) 2000 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Authors: Goetz Lindenmaier
6 ** irprog.c: ir representation of a program
13 #define GLOBAL_TYPE_NAME "GlobalType"
15 /* A variable from where everything in the ir can be accessed. */
18 /* initializes ir_prog. Calles the constructor for an ir_prog. */
19 void init_irprog(void) {
23 /* Create a new ir prog. Automatically called by init_firm through
25 ir_prog *new_ir_prog (void) {
28 res = (ir_prog *) malloc (sizeof(ir_prog));
31 /* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
32 res->graphs = NEW_ARR_F (ir_graph *, 1);
33 res->types = NEW_ARR_F (type *, 1);
34 res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
35 strlen(GLOBAL_TYPE_NAME)));
36 add_irp_type((type *)res->glob_type);
45 /** Functions to access the fields of ir_prog **/
48 /* Access the main routine of the compiled program. */
49 ir_graph *get_irp_main_irg() {
54 void set_irp_main_irg(ir_graph *main_irg) {
56 irp->main_irg = main_irg;
59 type_class *get_glob_type(void) {
61 return irp->glob_type;
64 /* Adds irg to the list of ir graphs in irp. */
65 void add_irp_irg(ir_graph *irg) {
67 assert(irp && irp->graphs);
68 ARR_APP1 (ir_graph *, irp->graphs, irg);
71 int get_irp_n_irgs() {
72 assert (irp && irp->graphs);
73 /* Strangely the first element of the array is NULL. Why?? */
74 return (ARR_LEN((irp)->graphs) - 1);
77 ir_graph *get_irp_irg(int pos){
78 assert (irp && irp->graphs);
79 /* Strangely the first element of the array is NULL. Why?? */
80 return irp->graphs[pos+1];
83 void set_irp_irg(int pos, ir_graph *irg) {
85 assert (pos < (ARR_LEN((irp)->graphs) - 1));
86 /* Strangely the first element of the array is NULL. Why?? */
87 irp->graphs[pos+1] = irg;
90 /* Adds type to the list of types in irp. */
91 void add_irp_type(type *typ) {
94 ARR_APP1 (type *, irp->types, typ);
97 int get_irp_n_types (void) {
98 assert (irp && irp->types);
99 /* Strangely the first element of the array is NULL. Why?? */
100 return (ARR_LEN((irp)->types) - 1);
103 type *get_irp_type(int pos) {
104 assert (irp && irp->types);
105 /* Strangely the first element of the array is NULL. Why?? */
106 return irp->types[pos+1];
110 void set_irp_type(int pos, type *typ) {
112 assert (pos < (ARR_LEN((irp)->types) - 1));
113 /* Strangely the first element of the array is NULL. Why?? */
114 irp->types[pos+1] = typ;
119 int get_irp_new_node_nr() {
121 irp->max_node_nr = irp->max_node_nr + 1;
122 return irp->max_node_nr - 1;