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32 lines
1.0 KiB
32 lines
1.0 KiB
package dev.openrs2.deob.ast.util;
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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.LongLiteralExpr;
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import com.github.javaparser.ast.expr.UnaryExpr;
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public final class ExprUtils {
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public static boolean isIntegerOrLongLiteral(Expression expr) {
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return expr.isIntegerLiteralExpr() || expr.isLongLiteralExpr();
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}
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public static LongLiteralExpr createLong(long value) {
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return new LongLiteralExpr(Long.toString(value).concat("L"));
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}
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public static Expression negate(Expression expr) {
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if (expr.isUnaryExpr() && expr.asUnaryExpr().getOperator() == UnaryExpr.Operator.MINUS) {
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return expr.asUnaryExpr().getExpression().clone();
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} else 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 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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private ExprUtils() {
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/* empty */
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}
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}
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