Files I forgot to add

3 files changed, 105 insertions, 0 deletions

diff --git a/boil/tests/ex49.java b/boil/tests/ex49.java
new file mode 100644
index 0000000..d28a887
--- /dev/null
+++ b/boil/tests/ex49.java
@@ -0,0 +1,26 @@
+class ex49 {
+    public static void main(String[] z) {
+        int result ;
+        A a ;
+        a = new A() ;
+        System.out.println(a.set()) ;
+    }
+}
+
+class A {
+
+    int b ;
+
+    public int set() {
+        b = 3 ;
+        return 1 ;
+    }
+}
+
+class B extends A {
+
+    public int get() {
+        b = 12 ;
+        return b ;
+    }
+}
diff --git a/boil/tests/ex50.java b/boil/tests/ex50.java
new file mode 100644
index 0000000..576af0e
--- /dev/null
+++ b/boil/tests/ex50.java
@@ -0,0 +1,35 @@
+class ex50 {
+    public static void main(String[] z) {
+        int result ;
+        A a ;
+        a = new A() ;
+        System.out.println(a.set_get()) ;
+    }
+}
+
+class A {
+
+    B b ;
+
+    public int set_get() {
+        int r ;
+        b = new B() ;
+        r = b.set() ;
+        r = b.get() ;
+        return r ;
+    }
+}
+
+class B {
+
+    int x ;
+
+    public int get() {
+        return x ;
+    }
+
+    public int set() {
+        x = 12 ;
+        return 1 ;
+    }
+}
diff --git a/st/SymTableExtend.java b/st/SymTableExtend.java
new file mode 100644
index 0000000..2e634d8
--- /dev/null
+++ b/st/SymTableExtend.java
@@ -0,0 +1,44 @@
+package st;
+
+import syntaxtree.*;
+import visitor.*;
+import java.util.*;
+import misc.*;
+
+/**
+ * Performs a bottom-up preliminary visit through the AST
+ * initializing all ClassInstances and placing them in the passed ST
+ */
+public class SymTableExtend<R> extends GJDepthFirst<R,SymbolTable> {
+
+
+    /**
+     * f0 -> "class"
+     * f1 -> Identifier()
+     * f2 -> "extends"
+     * f3 -> Identifier()
+     * f4 -> "{"
+     * f5 -> ( VarDeclaration() )*
+     * f6 -> ( MethodDeclaration() )*
+     * f7 -> "}"
+     */
+    public R visit(ClassExtendsDeclaration n, SymbolTable symt) {
+        String act = n.f1.f0.tokenImage;
+        symt.setActive(TypeEnum.classname, symt.getClass(act));
+        n.f0.accept(this, symt);
+        n.f1.accept(this, symt);
+        n.f2.accept(this, symt);
+        n.f3.accept(this, symt);
+        n.f4.accept(this, symt);
+        n.f5.accept(this, symt);
+        n.f6.accept(this, symt);
+        n.f7.accept(this, symt);
+
+
+        symt.setExtend(n.f3.f0.tokenImage);
+
+
+        return null;
+    }
+
+}