#ifndef WASM_H

#define WASM_H

#include <stddef.h>

#include <stdint.h>

#include <stdbool.h>

#include <string.h>

#include <assert.h>

#ifndef WASM_API_EXTERN

#if defined(_WIN32) && !defined(__MINGW32__) && !defined(LIBWASM_STATIC)

#define WASM_API_EXTERN __declspec(dllimport)

#define WASM_API_EXTERN

#ifdef __cplusplus

extern "C" {

inline void assertions() {

static_assert(sizeof(float) == sizeof(uint32_t), "incompatible float type");

static_assert(sizeof(double) == sizeof(uint64_t), "incompatible double type");

static_assert(sizeof(intptr_t) == sizeof(uint32_t) ||

sizeof(intptr_t) == sizeof(uint64_t),

"incompatible pointer type");

}

typedef char byte_t;

typedef float float32_t;

typedef double float64_t;

#define own

#define WASM_DECLARE_OWN(name) \

typedef struct wasm_##name##_t wasm_##name##_t; \

\

WASM_API_EXTERN void wasm_##name##_delete(own wasm_##name##_t*);

#define WASM_DECLARE_VEC(name, ptr_or_none) \

typedef struct wasm_##name##_vec_t { \

size_t size; \

wasm_##name##_t ptr_or_none* data; \

} wasm_##name##_vec_t; \

\

WASM_API_EXTERN void wasm_##name##_vec_new_empty(own wasm_##name##_vec_t* out); \

WASM_API_EXTERN void wasm_##name##_vec_new_uninitialized( \

own wasm_##name##_vec_t* out, size_t); \

WASM_API_EXTERN void wasm_##name##_vec_new( \

own wasm_##name##_vec_t* out, \

size_t, own wasm_##name##_t ptr_or_none const[]); \

WASM_API_EXTERN void wasm_##name##_vec_copy( \

own wasm_##name##_vec_t* out, const wasm_##name##_vec_t*); \

WASM_API_EXTERN void wasm_##name##_vec_delete(own wasm_##name##_vec_t*);

typedef byte_t wasm_byte_t;

WASM_DECLARE_VEC(byte, )

typedef wasm_byte_vec_t wasm_name_t;

#define wasm_name wasm_byte_vec

#define wasm_name_new wasm_byte_vec_new

#define wasm_name_new_empty wasm_byte_vec_new_empty

#define wasm_name_new_new_uninitialized wasm_byte_vec_new_uninitialized

#define wasm_name_copy wasm_byte_vec_copy

#define wasm_name_delete wasm_byte_vec_delete

static inline void wasm_name_new_from_string(

own wasm_name_t* out, own const char* s

) {

wasm_name_new(out, strlen(s), s);

}

static inline void wasm_name_new_from_string_nt(

own wasm_name_t* out, own const char* s

) {

wasm_name_new(out, strlen(s) + 1, s);

}

WASM_DECLARE_OWN(config)

WASM_API_EXTERN own wasm_config_t* wasm_config_new();

WASM_DECLARE_OWN(engine)

#if defined(TEST_WASM) || defined(TEST_WASMER)

wasm_engine_t* wasm_engine_new();

WASM_API_EXTERN own wasm_engine_t* wasm_engine_new();

WASM_API_EXTERN own wasm_engine_t* wasm_engine_new_with_config(own wasm_config_t*);

WASM_DECLARE_OWN(store)

WASM_API_EXTERN own wasm_store_t* wasm_store_new(wasm_engine_t*);

typedef uint8_t wasm_mutability_t;

enum wasm_mutability_enum {

WASM_CONST,

WASM_VAR,

};

typedef struct wasm_limits_t {

uint32_t min;

uint32_t max;

} wasm_limits_t;

static const uint32_t wasm_limits_max_default = 0xffffffff;

#define WASM_DECLARE_TYPE(name) \

WASM_DECLARE_OWN(name) \

WASM_DECLARE_VEC(name, *) \

\

WASM_API_EXTERN own wasm_##name##_t* wasm_##name##_copy(wasm_##name##_t*);

WASM_DECLARE_TYPE(valtype)

typedef uint8_t wasm_valkind_t;

enum wasm_valkind_enum {

};

WASM_API_EXTERN own wasm_valtype_t* wasm_valtype_new(wasm_valkind_t);

WASM_API_EXTERN wasm_valkind_t wasm_valtype_kind(const wasm_valtype_t*);

static inline bool wasm_valkind_is_num(wasm_valkind_t k) {

return k < WASM_EXTERNREF ;

}

static inline bool wasm_valkind_is_ref(wasm_valkind_t k) {

return k >= WASM_EXTERNREF ;

}

static inline bool wasm_valtype_is_num(const wasm_valtype_t* t) {

return wasm_valkind_is_num(wasm_valtype_kind(t));

}

static inline bool wasm_valtype_is_ref(const wasm_valtype_t* t) {

return wasm_valkind_is_ref(wasm_valtype_kind(t));

}

WASM_DECLARE_TYPE(functype)

WASM_API_EXTERN own wasm_functype_t* wasm_functype_new(

own wasm_valtype_vec_t* params, own wasm_valtype_vec_t* results);

WASM_API_EXTERN const wasm_valtype_vec_t* wasm_functype_params(const wasm_functype_t*);

WASM_API_EXTERN const wasm_valtype_vec_t* wasm_functype_results(const wasm_functype_t*);

WASM_DECLARE_TYPE(globaltype)

WASM_API_EXTERN own wasm_globaltype_t* wasm_globaltype_new(

own wasm_valtype_t*, wasm_mutability_t);

WASM_API_EXTERN const wasm_valtype_t* wasm_globaltype_content(const wasm_globaltype_t*);

WASM_API_EXTERN wasm_mutability_t wasm_globaltype_mutability(const wasm_globaltype_t*);

WASM_DECLARE_TYPE(tabletype)

WASM_API_EXTERN own wasm_tabletype_t* wasm_tabletype_new(

own wasm_valtype_t*, const wasm_limits_t*);

WASM_API_EXTERN const wasm_valtype_t* wasm_tabletype_element(const wasm_tabletype_t*);

WASM_API_EXTERN const wasm_limits_t* wasm_tabletype_limits(const wasm_tabletype_t*);

WASM_DECLARE_TYPE(memorytype)

WASM_API_EXTERN own wasm_memorytype_t* wasm_memorytype_new(const wasm_limits_t*);

WASM_API_EXTERN const wasm_limits_t* wasm_memorytype_limits(const wasm_memorytype_t*);

WASM_DECLARE_TYPE(externtype)

typedef uint8_t wasm_externkind_t;

enum wasm_externkind_enum {

};

WASM_API_EXTERN wasm_externkind_t wasm_externtype_kind(const wasm_externtype_t*);

WASM_API_EXTERN wasm_externtype_t* wasm_functype_as_externtype(wasm_functype_t*);

WASM_API_EXTERN wasm_externtype_t* wasm_globaltype_as_externtype(wasm_globaltype_t*);

WASM_API_EXTERN wasm_externtype_t* wasm_tabletype_as_externtype(wasm_tabletype_t*);

WASM_API_EXTERN wasm_externtype_t* wasm_memorytype_as_externtype(wasm_memorytype_t*);

WASM_API_EXTERN wasm_functype_t* wasm_externtype_as_functype(wasm_externtype_t*);

WASM_API_EXTERN wasm_globaltype_t* wasm_externtype_as_globaltype(wasm_externtype_t*);

WASM_API_EXTERN wasm_tabletype_t* wasm_externtype_as_tabletype(wasm_externtype_t*);

WASM_API_EXTERN wasm_memorytype_t* wasm_externtype_as_memorytype(wasm_externtype_t*);

WASM_API_EXTERN const wasm_externtype_t* wasm_functype_as_externtype_const(const wasm_functype_t*);

WASM_API_EXTERN const wasm_externtype_t* wasm_globaltype_as_externtype_const(const wasm_globaltype_t*);

WASM_API_EXTERN const wasm_externtype_t* wasm_tabletype_as_externtype_const(const wasm_tabletype_t*);

WASM_API_EXTERN const wasm_externtype_t* wasm_memorytype_as_externtype_const(const wasm_memorytype_t*);

WASM_API_EXTERN const wasm_functype_t* wasm_externtype_as_functype_const(const wasm_externtype_t*);

WASM_API_EXTERN const wasm_globaltype_t* wasm_externtype_as_globaltype_const(const wasm_externtype_t*);

WASM_API_EXTERN const wasm_tabletype_t* wasm_externtype_as_tabletype_const(const wasm_externtype_t*);

WASM_API_EXTERN const wasm_memorytype_t* wasm_externtype_as_memorytype_const(const wasm_externtype_t*);

WASM_DECLARE_TYPE(importtype)

WASM_API_EXTERN own wasm_importtype_t* wasm_importtype_new(

own wasm_name_t* module, own wasm_name_t* name, own wasm_externtype_t*);

WASM_API_EXTERN const wasm_name_t* wasm_importtype_module(const wasm_importtype_t*);

WASM_API_EXTERN const wasm_name_t* wasm_importtype_name(const wasm_importtype_t*);

WASM_API_EXTERN const wasm_externtype_t* wasm_importtype_type(const wasm_importtype_t*);

WASM_DECLARE_TYPE(exporttype)

WASM_API_EXTERN own wasm_exporttype_t* wasm_exporttype_new(

own wasm_name_t*, own wasm_externtype_t*);

WASM_API_EXTERN const wasm_name_t* wasm_exporttype_name(const wasm_exporttype_t*);

WASM_API_EXTERN const wasm_externtype_t* wasm_exporttype_type(const wasm_exporttype_t*);

struct wasm_ref_t;

typedef struct wasm_val_t {

} wasm_val_t;

WASM_API_EXTERN void wasm_val_delete(own wasm_val_t* v);

WASM_API_EXTERN void wasm_val_copy(own wasm_val_t* out, const wasm_val_t*);

WASM_DECLARE_VEC(val, )

#define WASM_DECLARE_REF_BASE(name) \

WASM_DECLARE_OWN(name) \

\

WASM_API_EXTERN own wasm_##name##_t* wasm_##name##_copy(const wasm_##name##_t*); \

WASM_API_EXTERN bool wasm_##name##_same(const wasm_##name##_t*, const wasm_##name##_t*); \

\

WASM_API_EXTERN void* wasm_##name##_get_host_info(const wasm_##name##_t*); \

WASM_API_EXTERN void wasm_##name##_set_host_info(wasm_##name##_t*, void*); \

WASM_API_EXTERN void wasm_##name##_set_host_info_with_finalizer( \

wasm_##name##_t*, void*, void (*)(void*));

#define WASM_DECLARE_REF(name) \

WASM_DECLARE_REF_BASE(name) \

\

WASM_API_EXTERN wasm_ref_t* wasm_##name##_as_ref(wasm_##name##_t*); \

WASM_API_EXTERN wasm_##name##_t* wasm_ref_as_##name(wasm_ref_t*); \

WASM_API_EXTERN const wasm_ref_t* wasm_##name##_as_ref_const(const wasm_##name##_t*); \

WASM_API_EXTERN const wasm_##name##_t* wasm_ref_as_##name##_const(const wasm_ref_t*);

#define WASM_DECLARE_SHARABLE_REF(name) \

WASM_DECLARE_REF(name) \

WASM_DECLARE_OWN(shared_##name) \

\

WASM_API_EXTERN own wasm_shared_##name##_t* wasm_##name##_share(const wasm_##name##_t*); \

WASM_API_EXTERN own wasm_##name##_t* wasm_##name##_obtain(wasm_store_t*, const wasm_shared_##name##_t*);

WASM_DECLARE_REF_BASE(ref)

WASM_DECLARE_OWN(frame)

WASM_DECLARE_VEC(frame, *)

WASM_API_EXTERN own wasm_frame_t* wasm_frame_copy(const wasm_frame_t*);

WASM_API_EXTERN struct wasm_instance_t* wasm_frame_instance(const wasm_frame_t*);

WASM_API_EXTERN uint32_t wasm_frame_func_index(const wasm_frame_t*);

WASM_API_EXTERN size_t wasm_frame_func_offset(const wasm_frame_t*);

WASM_API_EXTERN size_t wasm_frame_module_offset(const wasm_frame_t*);

typedef wasm_name_t wasm_message_t; // null terminated

WASM_DECLARE_REF(trap)

WASM_API_EXTERN own wasm_trap_t* wasm_trap_new(wasm_store_t* store, const wasm_message_t*);

WASM_API_EXTERN void wasm_trap_message(const wasm_trap_t*, own wasm_message_t* out);

WASM_API_EXTERN own wasm_frame_t* wasm_trap_origin(const wasm_trap_t*);

WASM_API_EXTERN void wasm_trap_trace(const wasm_trap_t*, own wasm_frame_vec_t* out);

WASM_DECLARE_REF(foreign)

WASM_API_EXTERN own wasm_foreign_t* wasm_foreign_new(wasm_store_t*);

WASM_DECLARE_SHARABLE_REF(module)

WASM_API_EXTERN own wasm_module_t* wasm_module_new(

wasm_store_t*, const wasm_byte_vec_t* binary);

WASM_API_EXTERN bool wasm_module_validate(wasm_store_t*, const wasm_byte_vec_t* binary);

WASM_API_EXTERN void wasm_module_imports(const wasm_module_t*, own wasm_importtype_vec_t* out);

WASM_API_EXTERN void wasm_module_exports(const wasm_module_t*, own wasm_exporttype_vec_t* out);

WASM_API_EXTERN void wasm_module_serialize(const wasm_module_t*, own wasm_byte_vec_t* out);

WASM_API_EXTERN own wasm_module_t* wasm_module_deserialize(wasm_store_t*, const wasm_byte_vec_t*);

WASM_DECLARE_REF(func)

typedef own wasm_trap_t* (*wasm_func_callback_t)(

const wasm_val_vec_t* args, own wasm_val_vec_t* results);

typedef own wasm_trap_t* (*wasm_func_callback_with_env_t)(

void* env, const wasm_val_vec_t* args, wasm_val_vec_t* results);

WASM_API_EXTERN own wasm_func_t* wasm_func_new(

wasm_store_t*, const wasm_functype_t*, wasm_func_callback_t);

WASM_API_EXTERN own wasm_func_t* wasm_func_new_with_env(

wasm_store_t*, const wasm_functype_t* type, wasm_func_callback_with_env_t,

void* env, void (*finalizer)(void*));

WASM_API_EXTERN own wasm_functype_t* wasm_func_type(const wasm_func_t*);

WASM_API_EXTERN size_t wasm_func_param_arity(const wasm_func_t*);

WASM_API_EXTERN size_t wasm_func_result_arity(const wasm_func_t*);

WASM_API_EXTERN own wasm_trap_t* wasm_func_call(

const wasm_func_t*, const wasm_val_vec_t* args, wasm_val_vec_t* results);

WASM_DECLARE_REF(global)

WASM_API_EXTERN own wasm_global_t* wasm_global_new(

wasm_store_t*, const wasm_globaltype_t*, const wasm_val_t*);

WASM_API_EXTERN own wasm_globaltype_t* wasm_global_type(const wasm_global_t*);

WASM_API_EXTERN void wasm_global_get(const wasm_global_t*, own wasm_val_t* out);

WASM_API_EXTERN void wasm_global_set(wasm_global_t*, const wasm_val_t*);

WASM_DECLARE_REF(table)

typedef uint32_t wasm_table_size_t;

WASM_API_EXTERN own wasm_table_t* wasm_table_new(

wasm_store_t*, const wasm_tabletype_t*, wasm_ref_t* init);

WASM_API_EXTERN own wasm_tabletype_t* wasm_table_type(const wasm_table_t*);

WASM_API_EXTERN own wasm_ref_t* wasm_table_get(const wasm_table_t*, wasm_table_size_t index);

WASM_API_EXTERN bool wasm_table_set(wasm_table_t*, wasm_table_size_t index, wasm_ref_t*);

WASM_API_EXTERN wasm_table_size_t wasm_table_size(const wasm_table_t*);

WASM_API_EXTERN bool wasm_table_grow(wasm_table_t*, wasm_table_size_t delta, wasm_ref_t* init);

WASM_DECLARE_REF(memory)

typedef uint32_t wasm_memory_pages_t;

static const size_t MEMORY_PAGE_SIZE = 0x10000;

WASM_API_EXTERN own wasm_memory_t* wasm_memory_new(wasm_store_t*, const wasm_memorytype_t*);

WASM_API_EXTERN own wasm_memorytype_t* wasm_memory_type(const wasm_memory_t*);

WASM_API_EXTERN byte_t* wasm_memory_data(wasm_memory_t*);

WASM_API_EXTERN size_t wasm_memory_data_size(const wasm_memory_t*);

WASM_API_EXTERN wasm_memory_pages_t wasm_memory_size(const wasm_memory_t*);

WASM_API_EXTERN bool wasm_memory_grow(wasm_memory_t*, wasm_memory_pages_t delta);

WASM_DECLARE_REF(extern)

WASM_DECLARE_VEC(extern, *)

return wasm_functype_new(&params, &results);

}

static inline own wasm_functype_t* wasm_functype_new_2_1(

own wasm_valtype_t* p1, own wasm_valtype_t* p2, own wasm_valtype_t* r

) {

wasm_valtype_t* ps[2] = {p1, p2};

wasm_valtype_t* rs[1] = {r};

wasm_valtype_vec_t params, results;

wasm_valtype_vec_new(&params, 2, ps);

wasm_valtype_vec_new(&results, 1, rs);

return wasm_functype_new(&params, &results);

}

static inline own wasm_functype_t* wasm_functype_new_3_1(

own wasm_valtype_t* p1, own wasm_valtype_t* p2, own wasm_valtype_t* p3,

own wasm_valtype_t* r

) {

wasm_valtype_t* ps[3] = {p1, p2, p3};

wasm_valtype_t* rs[1] = {r};

wasm_valtype_vec_t params, results;

wasm_valtype_vec_new(&params, 3, ps);

wasm_valtype_vec_new(&results, 1, rs);

return wasm_functype_new(&params, &results);

}

static inline own wasm_functype_t* wasm_functype_new_0_2(

own wasm_valtype_t* r1, own wasm_valtype_t* r2

) {

wasm_valtype_t* rs[2] = {r1, r2};

wasm_valtype_vec_t params, results;

wasm_valtype_vec_new_empty(&params);

wasm_valtype_vec_new(&results, 2, rs);

return wasm_functype_new(&params, &results);

}

static inline own wasm_functype_t* wasm_functype_new_1_2(

own wasm_valtype_t* p, own wasm_valtype_t* r1, own wasm_valtype_t* r2

) {

wasm_valtype_t* ps[1] = {p};

wasm_valtype_t* rs[2] = {r1, r2};

wasm_valtype_vec_t params, results;

wasm_valtype_vec_new(&params, 1, ps);

wasm_valtype_vec_new(&results, 2, rs);

return wasm_functype_new(&params, &results);

}

static inline own wasm_functype_t* wasm_functype_new_2_2(

own wasm_valtype_t* p1, own wasm_valtype_t* p2,

own wasm_valtype_t* r1, own wasm_valtype_t* r2

) {

wasm_valtype_t* ps[2] = {p1, p2};

wasm_valtype_t* rs[2] = {r1, r2};

wasm_valtype_vec_t params, results;

wasm_valtype_vec_new(&params, 2, ps);

wasm_valtype_vec_new(&results, 2, rs);

return wasm_functype_new(&params, &results);

}

static inline own wasm_functype_t* wasm_functype_new_3_2(

own wasm_valtype_t* p1, own wasm_valtype_t* p2, own wasm_valtype_t* p3,

own wasm_valtype_t* r1, own wasm_valtype_t* r2

) {

wasm_valtype_t* ps[3] = {p1, p2, p3};

wasm_valtype_t* rs[2] = {r1, r2};

wasm_valtype_vec_t params, results;

wasm_valtype_vec_new(&params, 3, ps);

wasm_valtype_vec_new(&results, 2, rs);

return wasm_functype_new(&params, &results);

}

static inline void wasm_val_init_ptr(own wasm_val_t* out, void* p) {

#if UINTPTR_MAX == UINT32_MAX

out->kind = WASM_I32;

out->of.i32 = (intptr_t)p;

#elif UINTPTR_MAX == UINT64_MAX

out->kind = WASM_I64;

out->of.i64 = (intptr_t)p;

}

static inline void* wasm_val_ptr(const wasm_val_t* val) {

#if UINTPTR_MAX == UINT32_MAX

return (void*)(intptr_t)val->of.i32;

#elif UINTPTR_MAX == UINT64_MAX

return (void*)(intptr_t)val->of.i64;

}

#define WASM_I32_VAL(i) {.kind = WASM_I32, .of = {.i32 = i}}

#define WASM_I64_VAL(i) {.kind = WASM_I64, .of = {.i64 = i}}

#define WASM_F32_VAL(z) {.kind = WASM_F32, .of = {.f32 = z}}

#define WASM_F64_VAL(z) {.kind = WASM_F64, .of = {.f64 = z}}

#define WASM_REF_VAL(r) {.kind = WASM_EXTERNREF, .of = {.ref = r}}

#define WASM_INIT_VAL {.kind = WASM_EXTERNREF, .of = {.ref = NULL}}

#undef own

#ifdef __cplusplus

} // extern "C"

#endif // #ifdef WASM_H