1 /* Copyright (C) 2000 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Authors: Goetz Lindenmaier
6 ** irprog.c: ir representation of a program
15 # include "irprog_t.h"
18 # include "typegmod.h"
20 #define GLOBAL_TYPE_NAME "GlobalType"
22 /* A variable from where everything in the ir can be accessed. */
25 /* initializes ir_prog. Calles the constructor for an ir_prog. */
26 void init_irprog(void) {
30 /* Create a new ir prog. Automatically called by init_firm through
32 ir_prog *new_ir_prog (void) {
35 res = (ir_prog *) malloc (sizeof(ir_prog));
38 /* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
39 res->graphs = NEW_ARR_F (ir_graph *, 1);
40 res->types = NEW_ARR_F (type *, 1);
41 res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
42 strlen(GLOBAL_TYPE_NAME)));
43 add_irp_type((type *)res->glob_type);
52 /** Functions to access the fields of ir_prog **/
55 /* Access the main routine of the compiled program. */
56 ir_graph *get_irp_main_irg() {
61 void set_irp_main_irg(ir_graph *main_irg) {
63 irp->main_irg = main_irg;
66 type *get_glob_type(void) {
68 return irp->glob_type = skip_tid(irp->glob_type);
71 /* Adds irg to the list of ir graphs in irp. */
72 void add_irp_irg(ir_graph *irg) {
74 assert(irp && irp->graphs);
75 ARR_APP1 (ir_graph *, irp->graphs, irg);
78 /* Removes irg from the list or irgs, shrinks the list by one.
79 @@@ does not work properly. */
80 void remove_irp_irg(ir_graph *irg){
83 for (i = 1; i < (ARR_LEN (irp->graphs))-1; i++)
84 if (irp->graphs[i+1] == irg) {
85 for(i++; i < (ARR_LEN (irp->graphs)) - 1; i++)
86 irp->graphs[i] = irp->graphs[i+1];
87 ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
92 int get_irp_n_irgs() {
93 assert (irp && irp->graphs);
94 /* Strangely the first element of the array is NULL. Why?? */
95 return (ARR_LEN((irp)->graphs) - 1);
98 ir_graph *get_irp_irg(int pos){
99 assert (irp && irp->graphs);
100 /* Strangely the first element of the array is NULL. Why?? */
101 return irp->graphs[pos+1];
104 void set_irp_irg(int pos, ir_graph *irg) {
106 assert (pos < (ARR_LEN((irp)->graphs) - 1));
107 /* Strangely the first element of the array is NULL. Why?? */
108 irp->graphs[pos+1] = irg;
111 /* Adds type to the list of types in irp. */
112 void add_irp_type(type *typ) {
113 assert (typ != NULL);
115 ARR_APP1 (type *, irp->types, typ);
118 int get_irp_n_types (void) {
119 assert (irp && irp->types);
120 /* Strangely the first element of the array is NULL. Why?? */
121 return (ARR_LEN((irp)->types) - 1);
124 type *get_irp_type(int pos) {
125 assert (irp && irp->types);
126 /* Strangely the first element of the array is NULL. Why?? */
127 /* Don't set the skip_tid result so that no double entries are generated. */
128 return skip_tid(irp->types[pos+1]);
131 void set_irp_type(int pos, type *typ) {
133 assert (pos < (ARR_LEN((irp)->types) - 1));
134 /* Strangely the first element of the array is NULL. Why?? */
135 irp->types[pos+1] = typ;
139 int get_irp_new_node_nr() {
141 irp->max_node_nr = irp->max_node_nr + 1;
142 return irp->max_node_nr - 1;