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Implement unary operator overloads (#124)

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This commit is contained in:
Max Graey
2018-06-04 18:23:09 +03:00
committed by Daniel Wirtz
parent 0054eae491
commit 567a5fb064
5 changed files with 1700 additions and 186 deletions
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67
src/program.ts
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@ -210,11 +210,45 @@ function operatorKindFromDecorator(decoratorKind: DecoratorKind, arg: string): O
break;
}
case CharCode.PLUS: {
if (arg.length == 1) return OperatorKind.ADD;
switch (decoratorKind) {
case DecoratorKind.OPERATOR_PREFIX: {
switch (arg) {
case "+": return OperatorKind.PLUS;
case "++": return OperatorKind.PREFIX_INC;
default: break;
}
}
case DecoratorKind.OPERATOR_POSTFIX: {
if (arg == "++") return OperatorKind.POSTFIX_INC;
break;
}
case DecoratorKind.OPERATOR:
case DecoratorKind.OPERATOR_BINARY: {
if (arg.length == 1) return OperatorKind.ADD;
break;
}
}
break;
}
case CharCode.MINUS: {
if (arg.length == 1) return OperatorKind.SUB;
switch (decoratorKind) {
case DecoratorKind.OPERATOR_PREFIX: {
switch (arg) {
case "-": return OperatorKind.MINUS;
case "--": return OperatorKind.PREFIX_DEC;
default: break;
}
}
case DecoratorKind.OPERATOR_POSTFIX: {
if (arg == "--") return OperatorKind.POSTFIX_DEC;
break;
}
case DecoratorKind.OPERATOR:
case DecoratorKind.OPERATOR_BINARY: {
if (arg.length == 1) return OperatorKind.SUB;
break;
}
}
break;
}
case CharCode.ASTERISK: {
@ -249,20 +283,35 @@ function operatorKindFromDecorator(decoratorKind: DecoratorKind, arg: string): O
break;
}
case CharCode.EXCLAMATION: {
if (arg == "!=") return OperatorKind.NE;
switch (arg) {
case "!": {
if (decoratorKind == DecoratorKind.OPERATOR_PREFIX) return OperatorKind.NOT;
break;
}
case "!=": return OperatorKind.NE;
}
break;
}
case CharCode.GREATERTHAN: {
switch (arg) {
case ">" : return OperatorKind.GT;
case ">=": return OperatorKind.GE;
case ">" : return OperatorKind.GT;
case ">=": return OperatorKind.GE;
case ">>": return OperatorKind.BITWISE_SHR;
case ">>>": return OperatorKind.BITWISE_SHR_U;
}
break;
}
case CharCode.LESSTHAN: {
switch (arg) {
case "<" : return OperatorKind.LT;
case "<=": return OperatorKind.LE;
case "<" : return OperatorKind.LT;
case "<=": return OperatorKind.LE;
case "<<": return OperatorKind.BITWISE_SHL;
}
break;
}
case CharCode.TILDE: {
if (decoratorKind == DecoratorKind.OPERATOR_PREFIX && arg.length == 1) {
return OperatorKind.BITWISE_NOT;
}
break;
}
@ -819,7 +868,9 @@ export class Program extends DiagnosticEmitter {
var decoratorFlags = DecoratorFlags.NONE;
if (decorators) {
decoratorFlags = this.filterDecorators(decorators,
DecoratorFlags.OPERATOR_BINARY |
DecoratorFlags.OPERATOR_BINARY |
DecoratorFlags.OPERATOR_PREFIX |
DecoratorFlags.OPERATOR_POSTFIX |
DecoratorFlags.INLINE
);
}