diff options
Diffstat (limited to 'src/ast/nodes/ExprNode.java')
| -rw-r--r-- | src/ast/nodes/ExprNode.java | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/ast/nodes/ExprNode.java b/src/ast/nodes/ExprNode.java index 591ee37..8e3b896 100644 --- a/src/ast/nodes/ExprNode.java +++ b/src/ast/nodes/ExprNode.java @@ -26,6 +26,10 @@ public class ExprNode implements Node { this.trailers = trailers; } + /** + * Returns the i-th expressions of `exprs` field. If the index is greater or + * equals than the size return `null`. + */ public Node getExpr(int i) { if (i >= this.exprs.size()) { return null; @@ -34,6 +38,10 @@ public class ExprNode implements Node { return this.exprs.get(i); } + /** + * Returns the identifier of the `AtomNode` if it's not `null`, otherwise + * returns `null`. + */ public String getId() { if (atom != null) { return ((AtomNode) this.atom).getId(); @@ -65,6 +73,7 @@ public class ExprNode implements Node { for (var t : trailers) { errors.addAll(t.checkSemantics(ST, _nesting)); } + } else { FunctionType ft = (FunctionType) fun.getType(); int paramNumber = ft.getParamNumber(); @@ -80,6 +89,7 @@ public class ExprNode implements Node { for (var trailer : trailers) { errors.addAll(trailer.checkSemantics(ST, _nesting)); } + } } else if (atom != null) { errors.addAll(atom.checkSemantics(ST, _nesting)); @@ -126,11 +136,11 @@ public class ExprNode implements Node { } for (var expr : exprs) { - str += expr.toPrint(prefix); + str = expr.toPrint(prefix); } for (var trailer : trailers) { - str += trailer.toPrint(prefix); + str = trailer.toPrint(prefix); } if (op != null) { |