50 lines
1.8 KiB
Java
50 lines
1.8 KiB
Java
package io.gitlab.jfronny.muscript.ast.math;
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import io.gitlab.jfronny.muscript.compiler.ExprWriter;
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import io.gitlab.jfronny.muscript.compiler.Order;
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import io.gitlab.jfronny.muscript.data.Scope;
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import io.gitlab.jfronny.muscript.ast.Expr;
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import io.gitlab.jfronny.muscript.ast.NumberExpr;
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import io.gitlab.jfronny.muscript.ast.literal.NumberLiteral;
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import java.io.IOException;
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public class Divide extends NumberExpr {
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public final NumberExpr dividend;
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public final NumberExpr divisor;
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public Divide(int chStart, int chEnd, NumberExpr dividend, NumberExpr divisor) {
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super(Order.Factor, chStart, chEnd);
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this.dividend = dividend;
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this.divisor = divisor;
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}
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@Override
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public Double get(Scope dataRoot) {
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return dividend.get(dataRoot) / divisor.get(dataRoot);
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}
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@Override
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public NumberExpr optimize() {
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NumberExpr dividend = this.dividend.optimize();
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NumberExpr divisor = this.divisor.optimize();
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if (dividend instanceof NumberLiteral litL && divisor instanceof NumberLiteral litR)
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return Expr.literal(chStart, chEnd, litL.value / litR.value);
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if (dividend instanceof Divide divide && divide.dividend instanceof NumberLiteral literal)
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return new Divide(chStart, chEnd, divide.dividend, new Multiply(divide.chStart, dividend.chEnd, divisor, literal)).optimize();
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return new Divide(chStart, chEnd, dividend, divisor);
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}
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@Override
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public void decompile(ExprWriter writer) throws IOException {
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parenthesize(dividend, writer, false);
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writer.append(" / ");
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parenthesize(divisor, writer, true);
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}
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@Override
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public boolean equals(Object obj) {
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return obj instanceof Divide divide && dividend.equals(divide.dividend) && divisor.equals(divide.divisor);
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}
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}
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