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Tangent 2024-05-17 20:52:33 -04:00
parent bf44d84e17
commit 1a46130b1d
2 changed files with 30 additions and 4 deletions
src/lib
expr.ts

26
src/lib/expr.ts
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@ -66,6 +66,32 @@ const Operators: TokenHandler[] = [
parse: ({ value: left }, matched, parser) =>
map(parser.parseSubExpression(11), (right) => ({ value: left + right })),
},
{
leftBindingPower: 10,
token: MINUS_TOKEN,
parse: ({ value: left }, matched, parser) =>
map(parser.parseSubExpression(11), (right) => ({ value: left - right })),
},
{
leftBindingPower: 20,
token: TIMES_TOKEN,
parse: ({ value: left }, matched, parser) =>
map(parser.parseSubExpression(11), (right) => ({ value: left * right })),
},
{
leftBindingPower: 20,
token: FLOOR_TOKEN,
parse: ({ value: left }, matched, parser) =>
map(parser.parseSubExpression(11), (right) => ({
value: Math.floor(left / right),
})),
},
{
leftBindingPower: 20,
token: DIV_TOKEN,
parse: ({ value: left }, matched, parser) =>
map(parser.parseSubExpression(11), (right) => ({ value: left / right })),
},
];
const ZERO = { value: 0 };