1 /* Copyright (C) 2000 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Authors: Goetz Lindenmaier
6 ** irprog.c: ir representation of a program
17 # include "irprog_t.h"
18 # include "irgraph_t.h"
21 # include "typegmod.h"
23 #define GLOBAL_TYPE_NAME "GlobalType"
25 /* A variable from where everything in the ir can be accessed. */
28 /* initializes ir_prog. Calles the constructor for an ir_prog. */
29 void init_irprog(void) {
33 /* Create a new ir prog. Automatically called by init_firm through
35 ir_prog *new_ir_prog (void) {
38 res = (ir_prog *) malloc (sizeof(ir_prog));
40 /* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
41 res->graphs = NEW_ARR_F (ir_graph *, 1);
42 res->types = NEW_ARR_F (type *, 1);
43 res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
44 strlen(GLOBAL_TYPE_NAME)));
45 /* Remove type from type list. Must be treated differently than other types. */
46 remove_irp_type_from_list(res->glob_type);
47 /* @@@ Das ist hier das 2. mal!!
48 add_irp_type(res->glob_type); */
50 res->const_code_irg = new_const_code_irg();
59 /** Functions to access the fields of ir_prog **/
62 /* Access the main routine of the compiled program. */
63 ir_graph *get_irp_main_irg() {
68 void set_irp_main_irg(ir_graph *main_irg) {
70 irp->main_irg = main_irg;
73 type *get_glob_type(void) {
75 return irp->glob_type = skip_tid(irp->glob_type);
78 /* Adds irg to the list of ir graphs in irp. */
79 void add_irp_irg(ir_graph *irg) {
81 assert(irp && irp->graphs);
82 ARR_APP1 (ir_graph *, irp->graphs, irg);
85 /* Removes irg from the list or irgs, shrinks the list by one. */
86 void remove_irp_irg(ir_graph *irg){
90 for (i = 1; i < (ARR_LEN (irp->graphs)); i++) {
91 if (irp->graphs[i] == irg) {
92 for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
93 irp->graphs[i] = irp->graphs[i+1];
95 ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
101 int get_irp_n_irgs() {
102 assert (irp && irp->graphs);
103 /* Strangely the first element of the array is NULL. Why?? */
104 return (ARR_LEN((irp)->graphs) - 1);
107 ir_graph *get_irp_irg(int pos){
108 assert (irp && irp->graphs);
109 /* Strangely the first element of the array is NULL. Why?? */
110 return irp->graphs[pos+1];
113 void set_irp_irg(int pos, ir_graph *irg) {
115 assert (pos < (ARR_LEN((irp)->graphs) - 1));
116 /* Strangely the first element of the array is NULL. Why?? */
117 irp->graphs[pos+1] = irg;
120 /* Adds type to the list of types in irp. */
121 void add_irp_type(type *typ) {
122 assert (typ != NULL);
124 ARR_APP1 (type *, irp->types, typ);
127 INLINE void remove_irp_type_from_list (type *typ) {
130 for (i = 1; i < (ARR_LEN (irp->types)); i++) {
131 if (irp->types[i] == typ) {
132 for(; i < (ARR_LEN (irp->types)) - 1; i++) {
133 irp->types[i] = irp->types[i+1];
135 ARR_SETLEN(type*, irp->types, (ARR_LEN(irp->types)) - 1);
141 void remove_irp_type(type *typ) {
142 remove_irp_type_from_list (typ);
146 int get_irp_n_types (void) {
147 assert (irp && irp->types);
148 /* Strangely the first element of the array is NULL. Why?? */
149 return (ARR_LEN((irp)->types) - 1);
152 type *get_irp_type(int pos) {
153 assert (irp && irp->types);
154 /* Strangely the first element of the array is NULL. Why?? */
155 /* Don't set the skip_tid result so that no double entries are generated. */
156 return skip_tid(irp->types[pos+1]);
159 void set_irp_type(int pos, type *typ) {
161 assert (pos < (ARR_LEN((irp)->types) - 1));
162 /* Strangely the first element of the array is NULL. Why?? */
163 irp->types[pos+1] = typ;
167 int get_irp_new_node_nr() {
169 irp->max_node_nr = irp->max_node_nr + 1;
170 return irp->max_node_nr - 1;
174 ir_graph *get_const_code_irg()
176 return irp->const_code_irg;