-/* Copyright (C) 2000 by Universitaet Karlsruhe
-** All rights reserved.
-**
-** Authors: Goetz Lindenmaier
-**
-** irprog.c: ir representation of a program
-*/
+/*
+ * Project: libFIRM
+ * File name: ir/ir/irprog.c
+ * Purpose: Entry point to the representation of a whole program.
+ * Author: Goetz Lindenmaier
+ * Modified by:
+ * Created: 2000
+ * CVS-ID: $Id$
+ * Copyright: (c) 2000-2003 Universität Karlsruhe
+ * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
+ */
#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"
/* 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 ();
}
+INLINE void remove_irp_type_from_list (type *typ) {
+ int i;
+ assert(typ);
+#if 0
+ for (i = 0; i < (ARR_LEN (irp->types)); i++) {
+#else
+ for (i = ARR_LEN (irp->types) -1; i >= 0; i--) {
+#endif
+ 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));
+ memset(res, 0, sizeof(res));
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);
- res->glob_type = new_type_class(id_from_str (GLOBAL_TYPE_NAME,
- strlen(GLOBAL_TYPE_NAME)));
- add_irp_type((type *)res->glob_type);
+ res->graphs = NEW_ARR_F (ir_graph *, 0);
+ res->types = NEW_ARR_F (type *, 0);
+ res->name = new_id_from_str("no_name_set");
#ifdef DEBUG_libfirm
- res->max_node_nr = 1;
+ res->max_node_nr = 0;
#endif
+ res->glob_type = new_type_class(new_id_from_chars (GLOBAL_TYPE_NAME,
+ strlen(GLOBAL_TYPE_NAME)));
+ /* 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();
+
+ res->outs_state = outs_none;
+ res->ip_outedges = NULL;
+
return res;
}
-/** Functions to access the fields of ir_prog **/
+/* frees all memory used by irp. Types in type list, irgs in irg
+ list and entities in global type must be freed by hand before. */
+void free_ir_prog() {
+ free_type(irp->glob_type);
+ /* @@@ * free_ir_graph(irp->const_code_irg); * ?? End has no in?? */
+ DEL_ARR_F(irp->graphs);
+ DEL_ARR_F(irp->types);
+
+ irp->kind = k_BAD;
+ irp->const_code_irg = NULL;
+}
+
+/*- Functions to access the fields of ir_prog -*/
/* Access the main routine of the compiled program. */
irp->main_irg = main_irg;
}
-type *get_glob_type(void) {
- assert(irp);
- return irp->glob_type = skip_tid(irp->glob_type);
+type *(get_glob_type)(void) {
+ return __get_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);
}
-int get_irp_n_irgs() {
- assert (irp && irp->graphs);
- /* Strangely the first element of the array is NULL. Why?? */
- return (ARR_LEN((irp)->graphs) - 1);
+/* 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 = 0; 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;
+ }
+ }
}
-ir_graph *get_irp_irg(int pos){
- assert (irp && irp->graphs);
- /* Strangely the first element of the array is NULL. Why?? */
- return irp->graphs[pos+1];
+int (get_irp_n_irgs)(void) {
+ return __get_irp_n_irgs();
+}
+
+ir_graph *(get_irp_irg)(int pos){
+ return __get_irp_irg(pos);
}
void set_irp_irg(int pos, ir_graph *irg) {
assert (irp && irg);
- assert (pos < (ARR_LEN((irp)->graphs) - 1));
+ assert (pos < (ARR_LEN((irp)->graphs)));
/* Strangely the first element of the array is NULL. Why?? */
- irp->graphs[pos+1] = irg;
+ irp->graphs[pos] = irg;
}
/* Adds type to the list of types in irp. */
ARR_APP1 (type *, irp->types, 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);
+void remove_irp_type(type *typ) {
+ remove_irp_type_from_list (typ);
}
-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_id result so that no double entries are generated. */
- return skip_id(irp->types[pos+1]);
+int (get_irp_n_types) (void) {
+ return __get_irp_n_types();
+}
+
+type *(get_irp_type) (int pos) {
+ return __get_irp_type(pos);
}
void set_irp_type(int pos, type *typ) {
assert (irp && typ);
- assert (pos < (ARR_LEN((irp)->types) - 1));
+ assert (pos < (ARR_LEN((irp)->types)));
/* Strangely the first element of the array is NULL. Why?? */
- irp->types[pos+1] = typ;
+ irp->types[pos] = typ;
}
#ifdef DEBUG_libfirm
return irp->max_node_nr - 1;
}
#endif
+
+/*- File name / executable name or the like -*/
+void set_irp_prog_name(ident *name) {
+ irp->name = name;
+}
+ident *get_irp_prog_ident(void) {
+ return irp->name;
+}
+const char *get_irp_prog_name(void) {
+ return get_id_str(irp->name);
+}
+
+
+ir_graph *(get_const_code_irg)(void)
+{
+ return __get_const_code_irg();
+}
+
+irg_outs_state get_irp_ip_outs_state() {
+ return irp->outs_state;
+}
+
+void set_irp_ip_outs_inconsistent() {
+ irp->outs_state = outs_inconsistent;
+}
+
+void set_irp_ip_outedges(ir_node ** ip_outedges)
+{
+ irp -> ip_outedges = ip_outedges;
+}
+
+ir_node** get_irp_ip_outedges(void)
+{
+ return(irp -> ip_outedges);
+}
+
+
+irg_callee_info_state get_irp_callee_info_state(void) {
+ return irp->callee_info_state;
+}
+
+void set_irp_callee_info_state(irg_callee_info_state s) {
+ irp->callee_info_state = s;
+}