/* Copyright (C) 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Goetz Lindenmaier
-**
-** irprog.c: ir representation of a program
+* All rights reserved.
+*
+* Authors: Goetz Lindenmaier
+*
+* irprog.c: ir representation of a program
*/
-# include "irprog.h"
+/* $Id$ */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+# include <string.h>
+
+# include "irprog_t.h"
+# include "irgraph_t.h"
# include "array.h"
+# include "obst.h"
+# include "typegmod.h"
#define GLOBAL_TYPE_NAME "GlobalType"
+/* A variable from where everything in the ir can be accessed. */
+ir_prog *irp;
+ir_prog *get_irp() { return irp; }
+
/* initializes ir_prog. Calles the constructor for an ir_prog. */
void init_irprog(void) {
new_ir_prog ();
}
-/* Create a new ir prog. Automatically called by init_firm through init_irprog. */
+INLINE void remove_irp_type_from_list (type *typ) {
+ int i;
+ assert(typ);
+ for (i = 1; i < (ARR_LEN (irp->types)); i++) {
+ if (irp->types[i] == typ) {
+ for(; i < (ARR_LEN (irp->types)) - 1; i++) {
+ irp->types[i] = irp->types[i+1];
+ }
+ ARR_SETLEN(type*, irp->types, (ARR_LEN(irp->types)) - 1);
+ break;
+ }
+ }
+}
+
+/* Create a new ir prog. Automatically called by init_firm through
+ init_irprog. */
ir_prog *new_ir_prog (void) {
ir_prog *res;
res = (ir_prog *) malloc (sizeof(ir_prog));
irp = res;
-
/* res->obst = (struct obstack *) xmalloc (sizeof (struct obstack)); */
res->graphs = NEW_ARR_F (ir_graph *, 1);
res->types = NEW_ARR_F (type *, 1);
+
+#ifdef DEBUG_libfirm
+ res->max_node_nr = 0;
+#endif
+
res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
strlen(GLOBAL_TYPE_NAME)));
- add_irp_type((type *)res->glob_type);
+ /* Remove type from type list. Must be treated differently than
+ other types. */
+ remove_irp_type_from_list(res->glob_type);
+
+ res->const_code_irg = new_const_code_irg();
+
return res;
}
irp->main_irg = main_irg;
}
-type_class *get_glob_type(void) {
+type *get_glob_type(void) {
assert(irp);
- return irp->glob_type;
+ return irp->glob_type = skip_tid(irp->glob_type);
}
/* Adds irg to the list of ir graphs in irp. */
-void add_irp_irg(ir_graph *irg) {
+void add_irp_irg(ir_graph *irg) {
assert (irg != NULL);
assert(irp && irp->graphs);
ARR_APP1 (ir_graph *, irp->graphs, irg);
}
+/* Removes irg from the list or irgs, shrinks the list by one. */
+void remove_irp_irg(ir_graph *irg){
+ int i;
+ assert(irg);
+ free_ir_graph(irg);
+ for (i = 1; i < (ARR_LEN (irp->graphs)); i++) {
+ if (irp->graphs[i] == irg) {
+ for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
+ irp->graphs[i] = irp->graphs[i+1];
+ }
+ ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
+ break;
+ }
+ }
+}
+
int get_irp_n_irgs() {
assert (irp && irp->graphs);
/* Strangely the first element of the array is NULL. Why?? */
return irp->graphs[pos+1];
}
+void set_irp_irg(int pos, ir_graph *irg) {
+ assert (irp && irg);
+ assert (pos < (ARR_LEN((irp)->graphs) - 1));
+ /* Strangely the first element of the array is NULL. Why?? */
+ irp->graphs[pos+1] = irg;
+}
+
/* Adds type to the list of types in irp. */
void add_irp_type(type *typ) {
assert (typ != NULL);
ARR_APP1 (type *, irp->types, typ);
}
+void remove_irp_type(type *typ) {
+ remove_irp_type_from_list (typ);
+}
+
+int get_irp_n_types (void) {
+ assert (irp && irp->types);
+ /* Strangely the first element of the array is NULL. Why?? */
+ return (ARR_LEN((irp)->types) - 1);
+}
+
+type *get_irp_type(int pos) {
+ assert (irp && irp->types);
+ /* Strangely the first element of the array is NULL. Why?? */
+ /* Don't set the skip_tid result so that no double entries are generated. */
+ return skip_tid(irp->types[pos+1]);
+}
+
+void set_irp_type(int pos, type *typ) {
+ assert (irp && typ);
+ assert (pos < (ARR_LEN((irp)->types) - 1));
+ /* Strangely the first element of the array is NULL. Why?? */
+ irp->types[pos+1] = typ;
+}
+
+#ifdef DEBUG_libfirm
int get_irp_new_node_nr() {
assert(irp);
irp->max_node_nr = irp->max_node_nr + 1;
return irp->max_node_nr - 1;
}
+#endif
+
+ir_graph *get_const_code_irg()
+{
+ return irp->const_code_irg;
+}