Open-source multiplayer game server compatible with the RuneScape client
https://www.openrs2.org/
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36 lines
1.1 KiB
36 lines
1.1 KiB
package dev.openrs2.deob.ast.transform;
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import com.github.javaparser.ast.CompilationUnit;
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import com.github.javaparser.ast.expr.Expression;
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import com.github.javaparser.ast.expr.IntegerLiteralExpr;
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import com.github.javaparser.ast.expr.UnaryExpr;
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import dev.openrs2.deob.ast.util.ExprUtils;
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public final class NegativeLiteralTransformer extends Transformer {
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private static Expression negate(Expression expr) {
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if (expr.isIntegerLiteralExpr()) {
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return new IntegerLiteralExpr(-expr.asIntegerLiteralExpr().asInt());
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} else if (expr.isLongLiteralExpr()) {
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return ExprUtils.createLong(-expr.asLongLiteralExpr().asLong());
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} else {
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throw new IllegalArgumentException();
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}
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}
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@Override
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public void transform(CompilationUnit unit) {
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unit.findAll(UnaryExpr.class).forEach(expr -> {
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var operand = expr.getExpression();
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if (!ExprUtils.isIntegerOrLongLiteral(operand)) {
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return;
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}
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var op = expr.getOperator();
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if (op == UnaryExpr.Operator.PLUS) {
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expr.replace(operand);
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} else if (op == UnaryExpr.Operator.MINUS) {
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expr.replace(negate(operand));
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}
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});
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}
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}
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