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mruby_engine.h
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97 lines (86 loc) · 2.59 KB
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#ifndef MRUBY_ENGINE_MRUBY_ENGINE_H
#define MRUBY_ENGINE_MRUBY_ENGINE_H
#include "definitions.h"
#include "host.h"
#include "memory_pool.h"
#include <time.h>
#include <stdbool.h>
#include <stdint.h>
struct me_mruby_engine;
struct me_proc;
struct me_iseq;
struct me_source {
const char *path;
const char *source;
};
enum me_iseq_err_type {
ME_ISEQ_NO_ERR,
ME_ISEQ_GENERAL_FAILURE,
};
struct me_iseq_err {
enum me_iseq_err_type type;
};
enum me_eval_err_type {
ME_EVAL_NO_ERR,
ME_EVAL_INSTRUCTION_QUOTA_REACHED,
ME_EVAL_MEMORY_QUOTA_REACHED,
ME_EVAL_STACK_EXHAUSTED,
ME_EVAL_SYSTEM_ERROR,
};
struct me_eval_err {
enum me_eval_err_type type;
union {
struct {
uint64_t instruction_quota;
} instruction_quota_reached;
struct {
uint64_t size;
uint64_t allocation;
uint64_t capacity;
} memory_quota_reached;
struct {
int err_no;
const char *err_source;
} system_error;
};
};
struct me_mruby_engine *me_mruby_engine_new(
struct me_memory_pool *allocator,
uint64_t instruction_limit,
struct timespec time_quota);
void me_mruby_engine_destroy(struct me_mruby_engine *self);
struct me_memory_pool *me_mruby_engine_get_allocator(struct me_mruby_engine *self);
uint64_t me_mruby_engine_get_instruction_count(struct me_mruby_engine *self);
struct meminfo me_mruby_engine_get_memory_info(struct me_mruby_engine *self);
int64_t me_mruby_engine_get_ctx_switches_voluntary(struct me_mruby_engine *self);
int64_t me_mruby_engine_get_ctx_switches_involuntary(struct me_mruby_engine *self);
int64_t me_mruby_engine_get_cpu_time(struct me_mruby_engine *self);
bool me_mruby_engine_get_quota_exception_raised(struct me_mruby_engine *self);
struct me_proc *me_mruby_engine_generate_code(
struct me_mruby_engine *self,
const char *path,
const char *source,
me_host_exception_t *err);
void me_mruby_engine_eval(
struct me_mruby_engine *self,
struct me_proc *proc,
me_host_exception_t *err);
void me_mruby_engine_iseq_load(struct me_mruby_engine *self, const struct me_iseq *iseq, me_host_exception_t *err);
void me_mruby_engine_inject(
struct me_mruby_engine *self,
const char *ivar_name,
me_host_value_t value,
struct me_value_err *err);
me_host_value_t me_mruby_engine_extract(
struct me_mruby_engine *self,
const char *ivar_name,
struct me_value_err *err);
struct me_iseq *me_iseq_new(
struct me_source sources[],
struct me_memory_pool *allocator,
struct me_iseq_err *err);
void me_iseq_destroy(struct me_iseq *);
size_t me_iseq_size(struct me_iseq *);
void *me_iseq_data(struct me_iseq *);
uint32_t me_iseq_hash(struct me_iseq *);
#endif