56 lines
2.0 KiB
Java
56 lines
2.0 KiB
Java
package io.gitlab.jfronny.muscript.ast.conditional;
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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.BoolExpr;
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import io.gitlab.jfronny.muscript.ast.NumberExpr;
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import io.gitlab.jfronny.muscript.ast.literal.BoolLiteral;
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import java.io.IOException;
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public class NumberConditional extends NumberExpr {
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public final BoolExpr condition;
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public final NumberExpr trueExpr;
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public final NumberExpr falseExpr;
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public NumberConditional(int chStart, int chEnd, BoolExpr condition, NumberExpr trueExpr, NumberExpr falseExpr) {
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super(Order.Conditional, chStart, chEnd);
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this.condition = condition;
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this.trueExpr = trueExpr;
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this.falseExpr = falseExpr;
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}
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@Override
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public Double get(Scope dataRoot) {
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return condition.get(dataRoot) ? trueExpr.get(dataRoot) : falseExpr.get(dataRoot);
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}
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@Override
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public NumberExpr optimize() {
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BoolExpr condition = this.condition.optimize();
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NumberExpr trueExpr = this.trueExpr.optimize();
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NumberExpr falseExpr = this.falseExpr.optimize();
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if (condition instanceof BoolLiteral literal) return literal.value ? trueExpr : falseExpr;
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if (trueExpr.equals(falseExpr)) return trueExpr;
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return new NumberConditional(chStart, chEnd, condition, trueExpr, falseExpr);
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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(condition, writer, true);
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writer.append(" ? ");
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trueExpr.decompile(writer);
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writer.append(" : ");
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falseExpr.decompile(writer);
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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 NumberConditional conditional
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&& condition.equals(conditional.condition)
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&& trueExpr.equals(conditional.trueExpr)
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&& falseExpr.equals(conditional.falseExpr);
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}
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}
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