1 /* Copyright (C) 2000 by Universitaet Karlsruhe
2 ** All rights reserved.
4 ** Authors: Goetz Lindenmaier
6 ** irprog.h: ir representation of a program
8 ** This file defines a construct that keeps all information about a
10 ** - A list of all procedures.
11 ** - A list of all types.
12 ** - A global type that can be thought of as a god-class containing all
13 ** global variables and procedures. This is not the base class of
14 ** all classes in a class hierarchy (as, e.g., "object" in java).
15 ** - (An obstack containing global things, e.g., the above mentioned lists.)
26 ir_graph *main_irg; /* entry point to the compiled program */
27 /* or a list, in case we compile a library or the like? */
28 ir_graph **graphs; /* all graphs in the ir */
29 type_class *glob_type; /* global type. Class as it can have
30 fields and procedures. Does this work?
32 type **types; /* all types in the ir */
33 /*struct obstack *obst; * @@@ Should we place all types and
34 entities on an obstack, too? */
36 long max_node_nr; /* to generate unique numbers for nodes. */
40 typedef struct ir_prog ir_prog;
42 /* A variable from where everything in the ir can be accessed. */
46 /* initializes ir_prog. Calles the constructor for an ir_prog. */
47 void init_irprog(void);
49 /* Creates a new ir_prog, returns it and sets irp with it.
50 Automatically called by init_firm through init_irprog. */
51 ir_prog *new_ir_prog (void);
53 /* Access the main routine of the compiled program. */
54 ir_graph *get_irp_main_irg();
55 void set_irp_main_irg(ir_graph *main_irg);
57 /* Adds irg to the list of ir graphs in irp. */
58 void add_irp_irg(ir_graph *irg);
60 ir_graph *get_irp_irg(int pos);
61 void set_irp_irg(int pos, ir_graph *irg);
63 /* Adds type to the list of types in irp. */
64 void add_irp_type(type *typ);
65 int get_irp_n_types();
66 type *get_irp_type(int pos);
67 void set_irp_type(int pos, type *typ);
69 /** Functions to access the fields of ir_prog **/
70 type_class *get_glob_type(void);
73 /* Returns a new, unique number to number nodes or the like. */
74 int get_irp_new_node_nr();
77 #endif /* ifndef _IRPROG_H_ */