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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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164
lib/runtime-c-api/wasmer.hh
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@ -30,20 +30,7 @@ struct wasmer_instance_t;
struct wasmer_module_t;
struct wasmer_export_t {
};
struct wasmer_byte_array {
const uint8_t *bytes;
uint32_t bytes_len;
};
struct wasmer_func_t {
};
struct wasmer_exports_t {
struct wasmer_export_func_t {
};
@ -59,6 +46,19 @@ struct wasmer_value_t {
wasmer_value value;
};
struct wasmer_export_t {
};
struct wasmer_byte_array {
const uint8_t *bytes;
uint32_t bytes_len;
};
struct wasmer_exports_t {
};
struct wasmer_global_t {
};
@ -68,6 +68,10 @@ struct wasmer_global_descriptor_t {
wasmer_value_tag kind;
};
struct wasmer_import_func_t {
};
struct wasmer_memory_t {
};
@ -77,7 +81,7 @@ struct wasmer_table_t {
};
union wasmer_import_export_value {
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;
@ -110,14 +114,53 @@ 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
wasmer_import_export_kind wasmer_export_kind(wasmer_export_t *export_);
/// Gets name from wasmer_export
wasmer_byte_array wasmer_export_name(wasmer_export_t *export_);
/// Gets func from wasm_export
const wasmer_func_t *wasmer_export_to_func(wasmer_export_t *export_);
/// Gets export func from export
const wasmer_export_func_t *wasmer_export_to_func(wasmer_export_t *export_);
/// Frees the memory for the given exports
void wasmer_exports_destroy(wasmer_exports_t *exports);
@ -128,54 +171,6 @@ wasmer_export_t *wasmer_exports_get(wasmer_exports_t *exports, int idx);
/// Gets the length of the exports
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
void wasmer_global_destroy(wasmer_global_t *global);
@ -192,6 +187,45 @@ wasmer_global_t *wasmer_global_new(wasmer_value_t value, bool mutable_);
/// Sets the value stored by the given Global
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.
/// Returns `wasmer_result_t::WASMER_OK` upon success.