Features C/JS API (#2049)

Add feature handling to the C/JS APIs. No features are enabled by
default, so all used features will have to be explicitly enabled in
order for modules to validate.

1 files changed, 21 insertions, 0 deletions

diff --git a/test/example/c-api-kitchen-sink.c b/test/example/c-api-kitchen-sink.c
index 1761ab0bb..1359385eb 100644
--- a/test/example/c-api-kitchen-sink.c
+++ b/test/example/c-api-kitchen-sink.c
@@ -160,6 +160,16 @@ void test_types() {
   printf("BinaryenTypeAuto: %d\n", BinaryenTypeAuto());
 }
 
+void test_features() {
+  printf("BinaryenFeatureAtomics: %d\n", BinaryenFeatureAtomics());
+  printf("BinaryenFeatureBulkMemory: %d\n", BinaryenFeatureBulkMemory());
+  printf("BinaryenFeatureMutableGlobals: %d\n", BinaryenFeatureMutableGlobals());
+  printf("BinaryenFeatureNontrappingFPToInt: %d\n", BinaryenFeatureNontrappingFPToInt());
+  printf("BinaryenFeatureSignExt: %d\n", BinaryenFeatureSignExt());
+  printf("BinaryenFeatureSIMD128: %d\n", BinaryenFeatureSIMD128());
+  printf("BinaryenFeatureExceptionHandling: %d\n", BinaryenFeatureExceptionHandling());
+}
+
 void test_core() {
 
   // Module creation
@@ -511,6 +521,16 @@ void test_core() {
   // A bunch of our code needs drop(), auto-add it
   BinaryenModuleAutoDrop(module);
 
+  BinaryenFeatures features =
+      BinaryenFeatureAtomics() |
+      BinaryenFeatureBulkMemory() |
+      BinaryenFeatureNontrappingFPToInt() |
+      BinaryenFeatureSignExt() |
+      BinaryenFeatureSIMD128();
+
+  BinaryenSetFeatures(module, features);
+  assert(BinaryenGetFeatures(module) == features);
+
   // Verify it validates
   assert(BinaryenModuleValidate(module));
 
@@ -830,6 +850,7 @@ void test_color_status() {
 
 int main() {
   test_types();
+  test_features();
   test_core();
   test_unreachable();
   test_relooper();