Clone if/else arms before swapping them

This fixes a bug where some of the later transforms didn't run on the
swapped arms.
bzip2
Graham 5 years ago
parent ec53c74aaa
commit e202c4fcb9
  1. 12
      deob-ast/src/main/java/dev/openrs2/deob/ast/transform/IfElseTransformer.java

@ -20,13 +20,13 @@ public final class IfElseTransformer extends Transformer {
private static Statement getIf(Statement stmt) {
if (stmt.isIfStmt()) {
return stmt;
return stmt.clone();
} else if (stmt.isBlockStmt()) {
NodeList<Statement> stmts = stmt.asBlockStmt().getStatements();
if (stmts.size() == 1) {
Statement head = stmts.get(0);
if (head.isIfStmt()) {
return head;
return head.clone();
}
}
}
@ -42,8 +42,8 @@ public final class IfElseTransformer extends Transformer {
var thenStmt = stmt.getThenStmt();
if (isIf(thenStmt) && !isIf(elseStmt)) {
stmt.setCondition(ExprUtils.not(condition));
stmt.setThenStmt(elseStmt);
stmt.setElseStmt(thenStmt);
stmt.setThenStmt(elseStmt.clone());
stmt.setElseStmt(thenStmt.clone());
} else if (!isIf(thenStmt) && isIf(elseStmt)) {
/*
* Don't consider any more conditions for swapping the
@ -59,8 +59,8 @@ public final class IfElseTransformer extends Transformer {
*/
if (ExprUtils.isNot(condition)) {
stmt.setCondition(ExprUtils.not(condition));
stmt.setThenStmt(elseStmt);
stmt.setElseStmt(thenStmt);
stmt.setThenStmt(elseStmt.clone());
stmt.setElseStmt(thenStmt.clone());
}
});
});

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