Track what ins/outs/uniforms are used, so that errors like "declare after use" or "can't use both XXX and YYY" can be issued. So far, used this for invariant, gl_FragColor et. al., and gl_FragCoord use before redeclaration.

Also made all tests in testlist include linker tests.


git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@24156 e7fa87d3-cd2b-0410-9028-fcbf551c1848

Test/baseResults/150.vert.out

@@ -1,7 +1,9 @@
+150.vert
 Warning, version 150 is not yet complete; some version-specific features are present, but many are missing.
-ERROR: 0:21: 'a' : cannot redeclare a user-block member array 
+ERROR: 0:22: 'a' : cannot redeclare a user-block member array 
 ERROR: 1 compilation errors.  No code generated.
 
+
 ERROR: node is still EOpNull!
 0:9  Function Definition: main( (void)
 0:9    Function Parameters: 
@@ -30,6 +32,12 @@ ERROR: node is still EOpNull!
 0:13          'iv4' (in 4-component vector of float)
 0:13          Constant:
 0:13            0 (const int)
+0:14      move second child to first child (4-component vector of float)
+0:14        gl_ClipVertex: direct index for structure (gl_ClipVertex 4-component vector of float)
+0:14          '__anon__0' (out block{gl_Position,gl_PointSize,gl_ClipDistance,gl_ClipVertex,gl_FrontColor,gl_BackColor,gl_FrontSecondaryColor,gl_BackSecondaryColor,gl_TexCoord,gl_FogFragCoord})
+0:14          Constant:
+0:14            3 (const uint)
+0:14        'iv4' (in 4-component vector of float)
 0:?   Linker Objects
 0:?     'iv4' (in 4-component vector of float)
 0:?     'ps' (uniform float)
@@ -37,3 +45,9 @@ ERROR: node is still EOpNull!
 0:?     'gl_VertexID' (gl_VertexId int)
 0:?     'gl_InstanceID' (gl_InstanceId int)
 
+
+Linked vertex stage:
+
+ERROR: Linking vertex stage: Can only use one of gl_ClipDistance or gl_ClipVertex (gl_ClipDistance is preferred)
+
+