Init ps5

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

@@ -0,0 +1,15 @@
+// checking that comments are ignored
+
+// This program checks the assignment operators
+
+func main()
+begin
+    var a
+    a := 3
+    a += 1
+    a /= 2
+    a *= 32
+    a -= 2
+    print a
+    return 0
+end

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

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

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

@@ -0,0 +1,4 @@
+func helloworld() begin
+    print "Hello, World!"
+    return 0
+end

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

@@ -0,0 +1,26 @@
+func main()
+begin
+    var a, b, c, d
+    c := 1
+    a := 3
+    b := a + c // 4
+    d := a * 100 + 50
+    print "a", a
+    print "b", b
+    print "c", c
+    print "d", d
+    if a = 14 then
+        print 1, "N", d / 5 + a, "RPR", a, "TERS "
+    else
+        print "COMP", c, "L", "ERS "
+    
+    print b, "R", a, " "
+
+    if a < b then
+        if d > 42 then
+            print b, "W", d, "ME"
+        else
+            print "L", b, "M", c
+    // A dangling else, what could go wrong?
+    return 0
+end

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

@@ -0,0 +1,21 @@
+
+var global_var
+
+func my_func(param)
+begin
+    var local_var, local_var2
+    local_var := 1
+    return local_var
+end
+
+var glob1, glob2
+
+func main()
+begin
+    var main_local_var
+    begin
+        var main_local_nested_var
+        main_local_nested_var := main_local_var + my_func(1)
+    end
+    return 0
+end

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

@@ -0,0 +1,11 @@
+// check parsing of do-while loop
+
+func main()
+begin   
+    var i
+    i := 2
+    while i < 42 do
+        i := i * i
+    print i
+    return 0
+end