diff options
Diffstat (limited to 'src/ast/nodes/ExprListNode.java')
-rw-r--r-- | src/ast/nodes/ExprListNode.java | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/ast/nodes/ExprListNode.java b/src/ast/nodes/ExprListNode.java new file mode 100644 index 0000000..4760db8 --- /dev/null +++ b/src/ast/nodes/ExprListNode.java @@ -0,0 +1,68 @@ +package ast.nodes; + +import ast.types.*; +import java.util.ArrayList; +import semanticanalysis.SemanticError; +import semanticanalysis.SymbolTable; + +/** + * Node for the `expr_list` statement of the grammar. + */ +public class ExprListNode implements Node { + + private final ArrayList<Node> exprs; + + public ExprListNode(ArrayList<Node> exprs) { + this.exprs = exprs; + } + + @Override + public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting) { + ArrayList<SemanticError> errors = new ArrayList<>(); + + for (var expr : exprs) { + errors.addAll(expr.checkSemantics(ST, _nesting)); + } + + return errors; + } + + public int getSize() { + return exprs.size(); + } + + /** + * Returns the i-th expressions of `exprs` field. If the index is greater or + * equals than the size return `null`. + */ + public Node getElem(int i) { + if (i >= this.exprs.size()) { + return null; + } + return exprs.get(i); + } + + @Override + public Type typeCheck() { + return new VoidType(); + } + + // TODO: code generation for expr list + @Override + public String codeGeneration() { + return ""; + } + + @Override + public String toPrint(String prefix) { + String str = prefix + "ExprList\n"; + + prefix += " "; + for (var param : exprs) { + str += param.toPrint(prefix); + } + + return str; + } + +} |