From 6a24c69232901de51f50beab9c3d3b3760dee334 Mon Sep 17 00:00:00 2001
From: bd-912 <bdunahu@colostate.edu>
Date: Sat, 16 Mar 2024 22:06:32 -0600
Subject: (Nonfunctional) Implemented many type-checking rules

---
 minijava/SymTableVis.java | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 minijava/SymTableVis.java

(limited to 'minijava/SymTableVis.java')

diff --git a/minijava/SymTableVis.java b/minijava/SymTableVis.java
new file mode 100644
index 0000000..3d8003b
--- /dev/null
+++ b/minijava/SymTableVis.java
@@ -0,0 +1,43 @@
+package minijava;
+
+import syntaxtree.*;
+import visitor.*;
+import java.util.*;
+
+/**
+ * Provides default methods which visit each node in the tree in depth-first
+ * order.  Your visitors may extend this class.
+ */
+public class SymTableVis<R,A> implements GJVisitor<R,A> {
+
+    public HashMap<String,String> symt = new HashMap<>();
+
+    private void print_filter(String message) {
+        boolean debug = true;
+        if (debug)
+            System.out.println(message);
+    }
+
+    public R visit(VarDeclaraction n, A argu) {
+        R _ret=null;
+
+        this.print_filter("Processing declaration");
+
+        String type = "";
+        switch (n.f0.f0.which) {
+        case 2:
+            type = "Int"; break;
+        default:
+            this.print_filter("Unsupported case");
+        }
+
+        String id = n.f1.f0.tokenImage;
+
+        this.printfilter("Inserting " + id + " => " + type);
+        // Safe?
+        symt.put(id, type);
+
+        return _ret;
+    }
+
+}
-- 
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