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Implement explicit this type (#373)

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* Add backing classes for basic types (I32...)
* Move standard numeric constants to backing classes
This commit is contained in:
Daniel Wirtz
2019-01-09 12:45:29 +01:00
committed by GitHub
parent d5f72e32d7
commit f714afab3c
14 changed files with 8028 additions and 1596 deletions
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26
src/program.ts
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@ -328,6 +328,8 @@ export class Program extends DiagnosticEmitter {
fileLevelExports: Map<string,Element> = new Map();
/** Module-level exports by exported name. */
moduleLevelExports: Map<string,ModuleExport> = new Map();
/** Classes backing basic types like `i32`. */
basicClasses: Map<TypeKind,Class> = new Map();
/** ArrayBuffer instance reference. */
arrayBufferInstance: Class | null = null;
@ -641,6 +643,21 @@ export class Program extends DiagnosticEmitter {
}
}
// register classes backing basic types
this.registerBasicClass(TypeKind.I8, "I8");
this.registerBasicClass(TypeKind.I16, "I16");
this.registerBasicClass(TypeKind.I32, "I32");
this.registerBasicClass(TypeKind.I64, "I64");
this.registerBasicClass(TypeKind.ISIZE, "Isize");
this.registerBasicClass(TypeKind.U8, "U8");
this.registerBasicClass(TypeKind.U16, "U16");
this.registerBasicClass(TypeKind.U32, "U32");
this.registerBasicClass(TypeKind.U64, "U64");
this.registerBasicClass(TypeKind.USIZE, "Usize");
this.registerBasicClass(TypeKind.BOOL, "Bool");
this.registerBasicClass(TypeKind.F32, "F32");
this.registerBasicClass(TypeKind.F64, "F64");
// register 'start'
{
let element = assert(this.elementsLookup.get("start"));
@ -727,6 +744,15 @@ export class Program extends DiagnosticEmitter {
}
}
private registerBasicClass(typeKind: TypeKind, className: string): void {
if (this.elementsLookup.has(className)) {
let element = assert(this.elementsLookup.get(className));
assert(element.kind == ElementKind.CLASS_PROTOTYPE);
let classElement = this.resolver.resolveClass(<ClassPrototype>element, null);
if (classElement) this.basicClasses.set(typeKind, classElement);
}
}
/** Sets a constant integer value. */
setConstantInteger(globalName: string, type: Type, value: I64): void {
assert(type.is(TypeFlags.INTEGER));