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/* Copyright (C) 2005-2013 Shugo Maeda <shugo@ruby-lang.org> and Charlie Savage <cfis@savagexi.com>
Please see the LICENSE file for copyright and distribution information */
#ifndef __RP_METHOD_INFO__
#define __RP_METHOD_INFO__
#include <ruby.h>
extern VALUE cMethodInfo;
/* A key used to identify each method */
typedef struct
{
VALUE klass; /* The method's class. */
ID mid; /* The method id. */
st_index_t key; /* Cache calculated key */
} prof_method_key_t;
/* Source relation bit offsets. */
enum {
kModuleIncludee = 0, /* Included module */
kModuleSingleton, /* Singleton class of a module */
kObjectSingleton /* Singleton class of an object */
};
/* Forward declaration, see rp_call_info.h */
struct prof_call_infos_t;
/* Profiling information for each method. */
/* Excluded methods have no call_infos, source_klass, or source_file. */
typedef struct
{
/* Hot */
prof_method_key_t *key; /* Table key */
struct prof_call_infos_t *call_infos; /* Call infos */
int visits; /* Current visits on the stack */
unsigned int excluded : 1; /* Exclude from profile? */
unsigned int recursive : 1; /* Recursive (direct or mutual)? */
/* Cold */
VALUE object; /* Cached ruby object */
VALUE source_klass; /* Source class */
const char *source_file; /* Source file */
int line; /* Line number */
unsigned int resolved : 1; /* Source resolved? */
unsigned int relation : 3; /* Source relation bits */
} prof_method_t;
void rp_init_method_info(void);
void method_key(prof_method_key_t* key, VALUE klass, ID mid);
st_table * method_table_create();
prof_method_t * method_table_lookup(st_table *table, const prof_method_key_t* key);
size_t method_table_insert(st_table *table, const prof_method_key_t *key, prof_method_t *val);
void method_table_free(st_table *table);
prof_method_t* prof_method_create(VALUE klass, ID mid, const char* source_file, int line);
prof_method_t* prof_method_create_excluded(VALUE klass, ID mid);
VALUE prof_method_wrap(prof_method_t *result);
void prof_method_mark(prof_method_t *method);
/* Setup infrastructure to use method keys as hash comparisons */
int method_table_cmp(prof_method_key_t *key1, prof_method_key_t *key2);
st_index_t method_table_hash(prof_method_key_t *key);
extern struct st_hash_type type_method_hash;
#endif
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