53 lines
1.5 KiB
Java
53 lines
1.5 KiB
Java
package io.gitlab.jfronny.muscript.ast.dynamic.assign;
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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.compiler.*;
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import io.gitlab.jfronny.muscript.data.Scope;
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import io.gitlab.jfronny.muscript.error.LocationalException;
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import java.io.IOException;
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import java.util.stream.Stream;
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public class NumberAssign extends NumberExpr {
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private final String name;
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private final NumberExpr value;
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protected NumberAssign(CodeLocation location, String name, NumberExpr value) {
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super(Order.Primary, location);
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if (name.equals("this")) throw new LocationalException(location, "Cannot reassign 'this'");
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this.name = name;
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this.value = value;
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}
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@Override
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public Double get(Scope dataRoot) {
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double data = value.get(dataRoot);
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dataRoot.set(name, data);
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return data;
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}
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@Override
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public NumberExpr optimize() {
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return new NumberAssign(location, name, value.optimize());
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}
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@Override
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public Stream<Expr<?>> extractSideEffects() {
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return Stream.of(this);
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}
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@Override
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public void decompile(ExprWriter writer) throws IOException {
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writer.appendLiteral(name).append(" = ");
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value.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 NumberAssign assign
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&& name.equals(assign.name)
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&& value.equals(assign.value);
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}
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}
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