Code generation (#20)

Co-authored-by: geno <gabrigeno@gmail>
Co-authored-by: Santo Cariotti <santo@dcariotti.me>

1 files changed, 48 insertions, 0 deletions

diff --git a/src/ast/nodes/CompOpNode.java b/src/ast/nodes/CompOpNode.java
new file mode 100644
index 0000000..7997052
--- /dev/null
+++ b/src/ast/nodes/CompOpNode.java
@@ -0,0 +1,48 @@
+package ast.nodes;
+
+import java.util.ArrayList;
+
+import semanticanalysis.SemanticError;
+import semanticanalysis.SymbolTable;
+import ast.types.*;
+import org.antlr.v4.runtime.tree.TerminalNode;
+
+/**
+ * Node for the `comp_op` statement of the grammar.
+ */
+public class CompOpNode implements Node {
+
+    private final TerminalNode op;
+
+    public CompOpNode(TerminalNode op) {
+        this.op = op;
+    }
+
+    public String getOp() {
+        return op.toString();
+    }
+
+    @Override
+    public ArrayList<SemanticError> checkSemantics(SymbolTable ST, int _nesting, FunctionType ft) {
+        return new ArrayList<>();
+    }
+
+    // TODO: it should be boolean, right?
+    @Override
+    public Type typeCheck() {
+        return new VoidType();
+    }
+
+    /**
+     * The code generation for this operation is in `ExprNode`.
+     */
+    @Override
+    public String codeGeneration() {
+        return "";
+    }
+
+    @Override
+    public String toPrint(String prefix) {
+        return prefix + "CompOpNode(" + op + ")\n";
+    }
+}