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60 lines
1.4 KiB
60 lines
1.4 KiB
export enum LocType {
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REGISTER = "register",
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TEMPORARY = "temporary",
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VARIABLE = "variable",
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}
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export class Loc {
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type: LocType
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name: string
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constructor(type: LocType, name: string) {
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this.type = type
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this.name = name
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}
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reduce<A>(
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vari: (name: string) => A,
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temp: (name: string) => A,
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reg: (name: string) => A,
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): A {
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switch (this.type) {
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case LocType.VARIABLE:
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return vari(this.name)
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case LocType.TEMPORARY:
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return temp(this.name)
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case LocType.REGISTER:
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return reg(this.name)
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}
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}
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ppName(): string {
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return this.reduce(
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(name: string) => name,
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(name: string) => '#' + name,
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(name: string) => '%' + name,
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)
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}
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asmName(): string {
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return this.reduce(
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(name: string) => `(${name})`,
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(_name: string) => {
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throw new Error("temporaries do not exist in assembly!")
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},
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(name: string) => name.toUpperCase(),
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)
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}
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static vari(name: string): Loc {
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return new Loc(LocType.VARIABLE, name)
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}
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static temp(name: string): Loc {
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return new Loc(LocType.TEMPORARY, name)
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}
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static reg(name: string): Loc {
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return new Loc(LocType.REGISTER, name)
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}
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}
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