58 lines
1.7 KiB
Java
58 lines
1.7 KiB
Java
package io.gitlab.jfronny.muscript.ast.compare;
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import io.gitlab.jfronny.muscript.ast.BoolExpr;
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import io.gitlab.jfronny.muscript.ast.Expr;
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import io.gitlab.jfronny.muscript.compiler.*;
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import io.gitlab.jfronny.muscript.data.Scope;
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import io.gitlab.jfronny.muscript.data.dynamic.Dynamic;
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import java.io.IOException;
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import java.util.Objects;
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import java.util.stream.Stream;
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public class Equal extends BoolExpr {
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public final Expr<?> left;
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public final Expr<?> right;
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public Equal(CodeLocation location, Expr<?> left, Expr<?> right) {
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super(Order.Equality, location);
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this.left = left;
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this.right = right;
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}
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@Override
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public Boolean get(Scope dataRoot) {
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return Objects.equals(unwrap(left.get(dataRoot)), unwrap(right.get(dataRoot)));
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}
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private Object unwrap(Object o) {
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if (o instanceof Dynamic a) return unwrap(a.getValue());
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return o;
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}
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@Override
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public BoolExpr optimize() {
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Expr<?> left = this.left.optimize();
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Expr<?> right = this.right.optimize();
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if (left.equals(right)) return literal(location, true);
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return new Equal(location, left, right);
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}
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@Override
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public Stream<Expr<?>> extractSideEffects() {
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return Stream.concat(left.extractSideEffects(), right.extractSideEffects());
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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(left, writer, false);
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writer.append(" == ");
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parenthesize(right, 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 Equal equal && left.equals(equal.left) && right.equals(equal.right);
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}
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}
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