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Fix C API to allow calling an exported func

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This commit is contained in:
Brandon Fish
2019-02-24 12:22:24 -06:00
parent 82eef13f41
commit b008a054de
5 changed files with 455 additions and 275 deletions
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200
lib/runtime-c-api/wasmer.h
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@ -35,20 +35,7 @@ typedef struct wasmer_module_t wasmer_module_t;
typedef struct {
} wasmer_export_t;
typedef struct {
const uint8_t *bytes;
uint32_t bytes_len;
} wasmer_byte_array;
typedef struct {
} wasmer_func_t;
typedef struct {
} wasmer_exports_t;
} wasmer_export_func_t;
typedef union {
int32_t I32;
@ -64,6 +51,19 @@ typedef struct {
typedef struct {
} wasmer_export_t;
typedef struct {
const uint8_t *bytes;
uint32_t bytes_len;
} wasmer_byte_array;
typedef struct {
} wasmer_exports_t;
typedef struct {
} wasmer_global_t;
typedef struct {
@ -73,6 +73,10 @@ typedef struct {
typedef struct {
} wasmer_import_func_t;
typedef struct {
} wasmer_memory_t;
typedef struct {
@ -80,7 +84,7 @@ typedef struct {
} wasmer_table_t;
typedef union {
const wasmer_func_t *func;
const wasmer_import_func_t *func;
const wasmer_table_t *table;
const wasmer_memory_t *memory;
const wasmer_global_t *global;
@ -113,6 +117,55 @@ wasmer_result_t wasmer_compile(wasmer_module_t **module,
uint8_t *wasm_bytes,
uint32_t wasm_bytes_len);
/**
* Calls a `func` with the provided parameters.
* Results are set using the provided `results` pointer.
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_call(wasmer_export_func_t *func,
const wasmer_value_t *params,
int params_len,
wasmer_value_t *results,
int results_len);
/**
* Sets the params buffer to the parameter types of the given wasmer_export_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_params(wasmer_export_func_t *func,
wasmer_value_tag *params,
int params_len);
/**
* Sets the result parameter to the arity of the params of the wasmer_export_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_params_arity(wasmer_export_func_t *func, uint32_t *result);
/**
* Sets the returns buffer to the parameter types of the given wasmer_export_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_returns(wasmer_export_func_t *func,
wasmer_value_tag *returns,
int returns_len);
/**
* Sets the result parameter to the arity of the returns of the wasmer_export_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_export_func_returns_arity(wasmer_export_func_t *func, uint32_t *result);
/**
* Gets wasmer_export kind
*/
@ -124,9 +177,9 @@ wasmer_import_export_kind wasmer_export_kind(wasmer_export_t *export_);
wasmer_byte_array wasmer_export_name(wasmer_export_t *export_);
/**
* Gets func from wasm_export
* Gets export func from export
*/
const wasmer_func_t *wasmer_export_to_func(wasmer_export_t *export_);
const wasmer_export_func_t *wasmer_export_to_func(wasmer_export_t *export_);
/**
* Frees the memory for the given exports
@ -143,68 +196,6 @@ wasmer_export_t *wasmer_exports_get(wasmer_exports_t *exports, int idx);
*/
int wasmer_exports_len(wasmer_exports_t *exports);
/**
* Calls a `func` with the provided parameters.
* Results are set using the provided `results` pointer.
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_func_call(wasmer_func_t *func,
const wasmer_value_t *params,
int params_len,
wasmer_value_t *results,
int results_len);
/**
* Frees memory for the given Func
*/
void wasmer_func_destroy(wasmer_func_t *func);
/**
* Creates new func
* The caller owns the object and should call `wasmer_func_destroy` to free it.
*/
const wasmer_func_t *wasmer_func_new(void (*func)(void *data),
const wasmer_value_tag *params,
int params_len,
const wasmer_value_tag *returns,
int returns_len);
/**
* Sets the params buffer to the parameter types of the given wasmer_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_func_params(wasmer_func_t *func, wasmer_value_tag *params, int params_len);
/**
* Sets the result parameter to the arity of the params of the wasmer_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_func_params_arity(wasmer_func_t *func, uint32_t *result);
/**
* Sets the returns buffer to the parameter types of the given wasmer_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_func_returns(wasmer_func_t *func,
wasmer_value_tag *returns,
int returns_len);
/**
* Sets the result parameter to the arity of the returns of the wasmer_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_func_returns_arity(wasmer_func_t *func, uint32_t *result);
/**
* Frees memory for the given Global
*/
@ -231,6 +222,57 @@ wasmer_global_t *wasmer_global_new(wasmer_value_t value, bool mutable_);
*/
void wasmer_global_set(wasmer_global_t *global, wasmer_value_t value);
/**
* Frees memory for the given Func
*/
void wasmer_import_func_destroy(wasmer_import_func_t *func);
/**
* Creates new func
* The caller owns the object and should call `wasmer_import_func_destroy` to free it.
*/
const wasmer_import_func_t *wasmer_import_func_new(void (*func)(void *data),
const wasmer_value_tag *params,
int params_len,
const wasmer_value_tag *returns,
int returns_len);
/**
* Sets the params buffer to the parameter types of the given wasmer_import_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_params(wasmer_import_func_t *func,
wasmer_value_tag *params,
int params_len);
/**
* Sets the result parameter to the arity of the params of the wasmer_import_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_params_arity(wasmer_import_func_t *func, uint32_t *result);
/**
* Sets the returns buffer to the parameter types of the given wasmer_import_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_returns(wasmer_import_func_t *func,
wasmer_value_tag *returns,
int returns_len);
/**
* Sets the result parameter to the arity of the returns of the wasmer_import_func_t
* Returns `wasmer_result_t::WASMER_OK` upon success.
* Returns `wasmer_result_t::WASMER_ERROR` upon failure. Use `wasmer_last_error_length`
* and `wasmer_last_error_message` to get an error message.
*/
wasmer_result_t wasmer_import_func_returns_arity(wasmer_import_func_t *func, uint32_t *result);
/**
* Calls an instances exported function by `name` with the provided parameters.
* Results are set using the provided `results` pointer.