Added files to debug acoss ps

exercises/05/vslc/vsl_programs/ps2-parser/function_call.vsl

@@ -1,4 +1,5 @@
 func add(a, b) begin
+    a := -a
     return a + b
 end
 

exercises/05/vslc/vsl_programs/ps3-simplify/function_call.vsl

@@ -1,9 +1,9 @@
-func add(a, b) begin
+func add(a, b, c) begin
     return a + b
 end
 
 func main() 
 begin
-    print add(40, 2)
+    print add(40, 2, 4)
     return 0
 end

exercises/05/vslc/vsl_programs/ps3-simplify/lists.vsl

@@ -2,7 +2,11 @@
 func my_func(a, b, c, d, e, f, g, h) begin
     var i, j, k, l, m
 
-    i := a + b + d
+
+
+    i := a + ~(i + 4)
+
+    i := a + (b + d) * (3 + b)
 
     if i = f then begin
         print "hmmm"

exercises/05/vslc/vsl_programs/ps4-symtab/lists.vsl

@@ -2,6 +2,8 @@
 func my_func(a, b, c, d, e, f, g, h) begin
     var i, j, k, l, m
 
+    i := --i
+
     i := a + b + d
 
     if i = f then begin

exercises/05/vslc/vsl_programs/ps4-symtab/shadow.vsl

@@ -1,4 +1,7 @@
 // Checking symbol shadowing
+
+var a
+
 func shadow() begin
     var a, b
     a := 1

exercises/05/vslc/vsl_programs/ps5-codegen1/lists.vsl

@@ -2,7 +2,10 @@
 func my_func(a, b, c, d, e, f, g, h) begin
     var i, j, k, l, m
 
-    i := a + b + d
+
+    i := a + ~(i + 4)
+
+    i := a + (b + d) * (3 + b)
 
     if i = f then begin
         print "hmmm"
@@ -14,5 +17,6 @@ func main() begin
     var n, o, p, q, r, s, t, u, v, w
     n := 5
     n += my_func(1, 2, 3, 5, 8, 13, 21, 34)
+    print n
     return 0
 end