2023-01-20 18:52:57 +01:00
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package io.gitlab.jfronny.muscript.ast.compare;
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2022-06-03 19:54:31 +02:00
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2023-01-20 18:52:57 +01:00
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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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2023-03-12 15:28:44 +01:00
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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.data.dynamic.Dynamic;
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2022-06-03 19:54:31 +02:00
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2023-03-12 15:28:44 +01:00
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import java.io.IOException;
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2022-11-24 19:05:51 +01:00
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import java.util.Objects;
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2022-06-03 19:54:31 +02:00
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2022-06-07 13:36:48 +02:00
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public class Equal extends BoolExpr {
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2023-03-12 15:28:44 +01:00
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public final Expr<?> left;
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public final Expr<?> right;
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2022-06-03 19:54:31 +02:00
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2023-01-20 17:47:41 +01:00
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public Equal(int chStart, int chEnd, Expr<?> left, Expr<?> right) {
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2023-03-12 15:28:44 +01:00
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super(Order.Equality, chStart, chEnd);
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2022-06-03 19:54:31 +02:00
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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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2023-01-20 21:05:04 +01:00
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public Boolean get(Scope dataRoot) {
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2022-06-13 13:31:54 +02:00
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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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2022-06-07 12:19:58 +02:00
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if (o instanceof Dynamic<?> a) return unwrap(a.getValue());
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2022-06-03 19:54:31 +02:00
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return o;
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}
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2022-06-29 17:38:05 +02:00
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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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2023-01-20 17:47:41 +01:00
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if (left.equals(right)) return Expr.literal(chStart, chEnd, true);
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return new Equal(chStart, chEnd, left, right);
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2022-06-29 17:38:05 +02:00
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}
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2023-03-12 15:28:44 +01:00
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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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2022-06-29 17:38:05 +02:00
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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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2022-06-03 19:54:31 +02:00
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}
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