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Simplify reinterpret to require one type argument only, fixes #9

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dcodeIO
2018-01-13 01:15:09 +01:00
parent 2df318a7ec
commit dd596b015d
4 changed files with 49 additions and 69 deletions
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86
src/builtins.ts
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@ -1176,78 +1176,57 @@ export function compileCall(compiler: Compiler, prototype: FunctionPrototype, ty
}
return ret;
case "reinterpret": // reinterpret<T1?,T2?>(value: T1) -> T2
case "reinterpret": // reinterpret<T!>(value: *) -> T
if (operands.length != 1) {
if (typeArguments) {
if (typeArguments.length >= 2)
compiler.currentType = typeArguments[1];
if (typeArguments.length != 2)
compiler.error(DiagnosticCode.Expected_0_type_arguments_but_got_1, reportNode.range, "2", typeArguments.length.toString(10));
if (!(typeArguments && typeArguments.length == 1)) {
if (typeArguments && typeArguments.length)
compiler.currentType = typeArguments[0];
compiler.error(DiagnosticCode.Expected_0_type_arguments_but_got_1, reportNode.range, "1", typeArguments ? typeArguments.length.toString(10) : "0");
}
compiler.error(DiagnosticCode.Expected_0_arguments_but_got_1, reportNode.range, "1", operands.length.toString(10));
return module.createUnreachable();
}
if (typeArguments) {
if (typeArguments.length != 2) {
if (typeArguments.length >= 2)
compiler.currentType = typeArguments[1];
compiler.error(DiagnosticCode.Expected_0_type_arguments_but_got_1, reportNode.range, "2", typeArguments.length.toString(10));
return module.createUnreachable();
}
arg0 = compiler.compileExpression(operands[0], typeArguments[0]);
} else
arg0 = compiler.compileExpression(operands[0], Type.f64, ConversionKind.NONE);
if (!(typeArguments && typeArguments.length == 1)) {
if (typeArguments && typeArguments.length)
compiler.currentType = typeArguments[0];
compiler.error(DiagnosticCode.Expected_0_type_arguments_but_got_1, reportNode.range, "1", typeArguments ? typeArguments.length.toString(10) : "0");
return module.createUnreachable();
}
switch (compiler.currentType.kind) {
switch (typeArguments[0].kind) {
case TypeKind.I32:
case TypeKind.U32:
if (typeArguments) {
if (typeArguments[1].kind != TypeKind.F32) {
compiler.error(DiagnosticCode.Type_0_cannot_be_reinterpreted_as_type_1, reportNode.range, typeArguments[0].toString(), typeArguments[1].toString());
return module.createUnreachable();
}
compiler.currentType = typeArguments[1];
} else
compiler.currentType = Type.f32;
ret = module.createUnary(UnaryOp.ReinterpretI32, arg0);
arg0 = compiler.compileExpression(operands[0], Type.f32);
ret = module.createUnary(UnaryOp.ReinterpretF32, arg0);
break;
case TypeKind.I64:
case TypeKind.U64:
if (typeArguments) {
if (typeArguments[1].kind != TypeKind.F64) {
compiler.error(DiagnosticCode.Type_0_cannot_be_reinterpreted_as_type_1, reportNode.range, typeArguments[0].toString(), typeArguments[1].toString());
return module.createUnreachable();
}
compiler.currentType = typeArguments[1];
} else
compiler.currentType = Type.f64;
ret = module.createUnary(UnaryOp.ReinterpretI64, arg0);
arg0 = compiler.compileExpression(operands[0], Type.f64);
ret = module.createUnary(UnaryOp.ReinterpretF64, arg0);
break;
case TypeKind.USIZE:
if (typeArguments[0].isReference) {
compiler.error(DiagnosticCode.Operation_not_supported, reportNode.range);
compiler.currentType = typeArguments[0];
return module.createUnreachable();
}
// fall-through
case TypeKind.ISIZE:
arg0 = compiler.compileExpression(operands[0], compiler.options.target == Target.WASM64 ? Type.f64 : Type.f32);
ret = module.createUnary(compiler.options.target == Target.WASM64 ? UnaryOp.ReinterpretF64 : UnaryOp.ReinterpretF32, arg0);
break;
case TypeKind.F32:
if (typeArguments) {
if (!(typeArguments[1].is(TypeFlags.INTEGER) && typeArguments[1].size == 32)) {
compiler.error(DiagnosticCode.Type_0_cannot_be_reinterpreted_as_type_1, reportNode.range, typeArguments[0].toString(), typeArguments[1].toString());
return module.createUnreachable();
}
compiler.currentType = typeArguments[1];
} else
compiler.currentType = Type.i32;
ret = module.createUnary(UnaryOp.ReinterpretF32, arg0);
arg0 = compiler.compileExpression(operands[0], Type.u32);
ret = module.createUnary(UnaryOp.ReinterpretI32, arg0);
break;
case TypeKind.F64:
if (typeArguments) {
if (!(typeArguments[1].is(TypeFlags.LONG | TypeFlags.INTEGER) && !typeArguments[1].isReference)) {
compiler.error(DiagnosticCode.Type_0_cannot_be_reinterpreted_as_type_1, reportNode.range, typeArguments[0].toString(), typeArguments[1].toString());
return module.createUnreachable();
}
compiler.currentType = typeArguments[1];
} else
compiler.currentType = Type.i64;
ret = module.createUnary(UnaryOp.ReinterpretF64, arg0);
arg0 = compiler.compileExpression(operands[0], Type.u64);
ret = module.createUnary(UnaryOp.ReinterpretI64, arg0);
break;
default: // small integers and void
@ -1255,6 +1234,7 @@ export function compileCall(compiler: Compiler, prototype: FunctionPrototype, ty
ret = module.createUnreachable();
break;
}
compiler.currentType = typeArguments[0];
return ret;
case "sqrt": // sqrt<T?>(value: T) -> T