Semantic checks for .length(), switch/case/default, and multidimensional arrays.

git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@22175 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/switch.frag

@@ -8,37 +8,39 @@ void main()
     float f;
     int a[2];
 
-    switch(f) { // ERROR
+    switch(f) {      // ERROR
     }
 
-    switch(a) { // ERROR
+    switch(a) {      // ERROR
     }
 
     switch(c)
     {
     }
 
-    switch(c)
+    switch(c)        // ERROR, not enough stuff after last label
     {
-    case 2:    // ERROR, not enough stuff
+    case 2:
     }
 
     switch(c)
     {
-        f = sin(x); // ERRROR
-    case 2:    // ERROR, not enough stuff
+        f = sin(x);   // ERRROR
+    case 2:
         f = cos(x);
         break;
     }
 
     switch (c) {
+    default:
+        break;
     case 1:
         f = sin(x);
         break;
     case 2:
         f = cos(x);
         break;
-    default:
+    default:           // ERROR, 2nd default
         f = tan(x);
     }
 
@@ -58,7 +60,31 @@ void main()
         break;
     default:
         f = tan(x);
+    case 1:           // ERROR, 2nd 'case 1'
+        break;
+    case 3.8:         // ERROR, non-int
+        break;
+    case c:           // ERROR, non-constant
+        break;       
     }
 
-    break; // ERROR
+    switch (c) {      // a no-error normal switch
+    case 1:
+        f = sin(x);
+        break;
+    case 2:
+        switch (d) {
+        case 1:
+            f = x * x * x;
+            break;
+        case 2:
+            f = x * x;
+            break;
+        }
+        break;
+    default:
+        f = tan(x);
+    }
+
+    break;            // ERROR
 }