63 lines
2.1 KiB
Java
63 lines
2.1 KiB
Java
package io.gitlab.jfronny.muscript.ast.bool;
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import io.gitlab.jfronny.muscript.ast.compare.Equal;
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import io.gitlab.jfronny.muscript.ast.compare.Greater;
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import io.gitlab.jfronny.muscript.ast.literal.NumberLiteral;
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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.Expr;
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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 Not extends BoolExpr {
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private final BoolExpr inner;
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public Not(int chStart, int chEnd, BoolExpr inner) {
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super(Order.Unary, chStart, chEnd);
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this.inner = inner;
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}
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@Override
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public Boolean get(Scope dataRoot) {
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return !inner.get(dataRoot);
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}
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@Override
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public BoolExpr optimize() {
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BoolExpr inner = this.inner.optimize();
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if (inner instanceof Not not) return not.inner;
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if (inner instanceof BoolLiteral literal) return Expr.literal(chStart, chEnd, !literal.value);
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return new Not(chStart, chEnd, inner);
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}
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@Override
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public void decompile(ExprWriter writer) throws IOException {
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if (inner instanceof Equal eq) {
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parenthesize(eq.left, writer, false);
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writer.append(" != ");
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parenthesize(eq.right, writer, true);
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} else if (inner instanceof Greater gt) {
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if (gt.left instanceof NumberLiteral && !(gt.right instanceof NumberLiteral)) {
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parenthesize(gt.right, writer, false);
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writer.append(" >= ");
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parenthesize(gt.left, writer, true);
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} else {
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parenthesize(gt.left, writer, false);
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writer.append(" <= ");
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parenthesize(gt.right, writer, true);
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}
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} else {
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writer.append("!");
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parenthesize(inner, writer, false);
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}
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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 Not not && inner.equals(not.inner);
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}
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}
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