28 lines
411 B
TypeScript
28 lines
411 B
TypeScript
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export type ExprType = Expr["exprType"]
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export type Expr = {
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exprType: "int",
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value: number,
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} | {
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exprType: "unary",
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unaryType: "plus" | "negate",
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subject: Expr,
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} | {
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exprType: "binary",
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binaryType: "add" | "subtract" | "multiply" | "divide",
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left: Expr,
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right: Expr,
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} | {
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exprType: "if",
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condition: Expr,
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truthy: Expr,
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falsy: Expr,
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} | {
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exprType: "block",
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expr: Expr,
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};
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