handle shared everything feat for setFeature

Author: MaxGraey

src/common.ts

@@ -191,6 +191,7 @@ export namespace CommonNames {
   export const ASC_FEATURE_RELAXED_SIMD = "ASC_FEATURE_RELAXED_SIMD";
   export const ASC_FEATURE_EXTENDED_CONST = "ASC_FEATURE_EXTENDED_CONST";
   export const ASC_FEATURE_STRINGREF = "ASC_FEATURE_STRINGREF";
+  export const ASC_FEATURE_SHARED_EVERYTHING = "ASC_FEATURE_SHARED_EVERYTHING";
   export const ASC_VERSION_MAJOR = "ASC_VERSION_MAJOR";
   export const ASC_VERSION_MINOR = "ASC_VERSION_MINOR";
   export const ASC_VERSION_PATCH = "ASC_VERSION_PATCH";

src/compiler.ts

@@ -325,6 +325,8 @@ export class Options {
   /** Sets whether a feature is enabled. */
   setFeature(feature: Feature, on: bool = true): void {
     if (on) {
+      // Enabling Shared Everything also enables Threads and GC
+      if (feature & Feature.SharedEverything) feature |= Feature.Threads | Feature.GC;
       // Enabling Stringref also enables GC
       if (feature & Feature.Strings) feature |= Feature.GC;
       // Enabling GC also enables Reference Types
@@ -339,6 +341,8 @@ export class Options {
       if (feature & Feature.GC) feature |= Feature.Strings;
       // Disabling SIMD also disables Relaxed SIMD
       if (feature & Feature.Simd) feature |= Feature.RelaxedSimd;
+      // Disabling Threads or GC also disables Shared Everything
+      if (feature & (Feature.Threads | Feature.GC)) feature |= Feature.SharedEverything;
       this.features &= ~feature;
     }
   }
@@ -516,6 +520,7 @@ export class Compiler extends DiagnosticEmitter {
     if (options.hasFeature(Feature.RelaxedSimd)) featureFlags |= FeatureFlags.RelaxedSIMD;
     if (options.hasFeature(Feature.ExtendedConst)) featureFlags |= FeatureFlags.ExtendedConst;
     if (options.hasFeature(Feature.Strings)) featureFlags |= FeatureFlags.Strings;
+    if (options.hasFeature(Feature.SharedEverything)) featureFlags |= FeatureFlags.SharedEverything;
     module.setFeatures(featureFlags);
 
     // set up the main start function

src/index-wasm.ts

@@ -202,6 +202,8 @@ export const FEATURE_RELAXED_SIMD = Feature.RelaxedSimd;
 export const FEATURE_EXTENDED_CONST = Feature.ExtendedConst;
 /** String references. */
 export const FEATURE_STRINGREF = Feature.Strings;
+/** Shared-everything threads. */
+export const FEATURE_SHARED_EVERYTHING = Feature.SharedEverything;
 /** All features. */
 export const FEATURES_ALL = Feature.All;
 /** Default features. */

src/program.ts

@@ -1086,6 +1086,8 @@ export class Program extends DiagnosticEmitter {
       i64_new(options.hasFeature(Feature.ExtendedConst) ? 1 : 0, 0));
     this.registerConstantInteger(CommonNames.ASC_FEATURE_STRINGREF, Type.bool,
       i64_new(options.hasFeature(Feature.Strings) ? 1 : 0, 0));
+    this.registerConstantInteger(CommonNames.ASC_FEATURE_SHARED_EVERYTHING, Type.bool,
+      i64_new(options.hasFeature(Feature.Strings) ? 1 : 0, 0));
 
     // remember deferred elements
     let queuedImports = new Array<QueuedImport>();
@@ -1289,7 +1291,9 @@ export class Program extends DiagnosticEmitter {
     this.registerWrapperClass(Type.bool, CommonNames.Bool);
     this.registerWrapperClass(Type.f32, CommonNames.F32);
     this.registerWrapperClass(Type.f64, CommonNames.F64);
-    if (options.hasFeature(Feature.Simd)) this.registerWrapperClass(Type.v128, CommonNames.V128);
+    if (options.hasFeature(Feature.Simd)) {
+      this.registerWrapperClass(Type.v128, CommonNames.V128);
+    }
     if (options.hasFeature(Feature.ReferenceTypes)) {
       this.registerWrapperClass(Type.func, CommonNames.RefFunc);
       this.registerWrapperClass(Type.extern, CommonNames.RefExtern);

std/assembly/shared/feature.ts

@@ -34,8 +34,10 @@ export const enum Feature {
   ExtendedConst = 1 << 13, // see: https://github.com/WebAssembly/extended-const
   /** Reference typed strings. */
   Strings = 1 << 14, // see: https://github.com/WebAssembly/stringref
+  /** Shared-everything threads. */
+  SharedEverything = 1 << 15, // see: https://github.com/WebAssembly/shared-everything-threads
   /** All features. */
-  All = (1 << 15) - 1
+  All = (1 << 16) - 1
 }
 
 /** Gets the name of the specified feature one would specify on the command line. */
@@ -56,6 +58,7 @@ export function featureToString(feature: Feature): string {
     case Feature.RelaxedSimd: return "relaxed-simd";
     case Feature.ExtendedConst: return "extended-const";
     case Feature.Strings: return "stringref";
+    case Feature.SharedEverything: return "shared-everything";
   }
   assert(false);
   return "";