NAME

src/classes/sub.pmc - Subroutine

DESCRIPTION

These are the vtable functions for the Sub (subroutine) base class

void init(): Initializes the subroutine.
void destroy(): Destroys the subroutine.
STRING *get_string(): Returns the name of the subroutine.
void set_string_native(STRING *subname): Sets the name of the subroutine.
void set_pointer(void *value): Sets the pointer to the actual subroutine.; *** Don't use that - use .Sub constants instead ***
void *get_pointer(): Returns the address of the actual subroutine.
INTVAL get_integer_keyed(PMC *key): This just unconditionally returns the start of bytecode. It's wrong, wrong, wrong, *WRONG*. And there's no other good way, so it's here for now. -DRS
INTVAL defined()
INTVAL get_bool(): Returns True.
void *invoke(void *next): Invokes the subroutine.
PMC *clone(): Creates and returns a clone of the subroutine.
void mark(): Marks the sub as live.
void set_same(PMC *value): Sets the subroutine to *value.
INTVAL is_equal(PMC *value): Returns whether the two subroutines are equal.
void visit(visit_info *info): This is used by freeze/thaw to visit the contents of the sub.
void freeze(visit_info *info): Archives the subroutine.
void thaw(visit_info *info): Unarchives the subroutine.

METHOD PMC *get_namespace(): Return the namespace PMC or Undef. The namespace PMC is either a String PMC or a Key PMC for a nested namespace.
METHOD INTVAL __get_regs_used(char *kind): Return amount of used registers for register kinds "I", "S", "P", "N".
METHOD PMC *get_lexinfo(): Return the LexInfo PMC, if any or a Null PMC.

Initial version by Melvin on 2002/06/6.

parrotcode: Subroutine
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