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Add C API module export descriptors

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This commit is contained in:
Brandon Fish
2019-02-23 15:41:38 -06:00
parent 82eef13f41
commit 17fe7bdaea
6 changed files with 244 additions and 2 deletions
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1
lib/runtime-c-api/tests/.gitignore vendored
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@ -15,6 +15,7 @@ test-instantiate
test-import-function
test-memory
test-module
test-module-exports
test-tables
test-validate
rust-build

4
lib/runtime-c-api/tests/CMakeLists.txt
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@ -7,6 +7,7 @@ add_executable(test-instantiate test-instantiate.c)
add_executable(test-import-function test-import-function.c)
add_executable(test-memory test-memory.c)
add_executable(test-module test-module.c)
add_executable(test-module-exports test-module-exports.c)
add_executable(test-validate test-validate.c)
add_executable(test-tables test-tables.c)
@ -31,6 +32,8 @@ target_link_libraries(test-memory
general ${WASMER_LIB})
target_link_libraries(test-module
general ${WASMER_LIB})
target_link_libraries(test-module-exports
general ${WASMER_LIB})
target_link_libraries(test-validate
general ${WASMER_LIB})
target_link_libraries(test-tables
@ -43,6 +46,7 @@ add_test(test-instantiate test-instantiate)
add_test(test-import-function test-import-function)
add_test(test-memory test-memory)
add_test(test-module test-module)
add_test(test-module-exports test-module-exports)
add_test(test-validate test-validate)
add_test(test-tables test-tables)

53
lib/runtime-c-api/tests/test-module-exports.c Normal file
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@ -0,0 +1,53 @@
#include <stdio.h>
#include "../wasmer.h"
#include <assert.h>
#include <stdint.h>
int main()
{
// Read the wasm file bytes
FILE *file = fopen("sum.wasm", "r");
fseek(file, 0, SEEK_END);
long len = ftell(file);
uint8_t *bytes = malloc(len);
fseek(file, 0, SEEK_SET);
fread(bytes, 1, len, file);
fclose(file);
wasmer_module_t *module = NULL;
wasmer_result_t compile_result = wasmer_compile(&module, bytes, len);
printf("Compile result: %d\n", compile_result);
assert(compile_result == WASMER_OK);
wasmer_import_t imports[] = {};
wasmer_instance_t *instance = NULL;
wasmer_result_t instantiate_result = wasmer_module_instantiate(module, &instance, imports, 0);
printf("Instantiate result: %d\n", compile_result);
assert(instantiate_result == WASMER_OK);
wasmer_export_descriptors_t *exports = NULL;
wasmer_export_descriptors(module, &exports);
int exports_len = wasmer_export_descriptors_len(exports);
printf("exports_len: %d\n", exports_len);
assert(exports_len == 1);
wasmer_export_descriptor_t *export = wasmer_export_descriptors_get(exports, 0);
wasmer_import_export_kind kind = wasmer_export_descriptor_kind(export);
assert(kind == WASM_FUNCTION);
wasmer_byte_array name_bytes = wasmer_export_descriptor_name(export);
assert(name_bytes.bytes_len == 3);
char expected[] = {'s', 'u', 'm'};
for(int idx = 0; idx < 3; idx++){
printf("%c\n", name_bytes.bytes[idx]);
assert(name_bytes.bytes[idx] == expected[idx]);
}
printf("Destroy module\n");
wasmer_module_destroy(module);
printf("Destroy exports\n");
wasmer_export_descriptors_destroy(exports);
return 0;
}