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/constErrors.frag.out

@@ -1,3 +1,4 @@
+constErrors.frag
 Warning, version 330 is not yet complete; some version-specific features are present, but many are missing.
 ERROR: 0:14: 'non-constant initializer' : not supported for this version or the enabled extensions 
 ERROR: 0:17: '' : constant expression required 
@@ -10,6 +11,7 @@ ERROR: 0:27: '=' : global const initializers must be constant 'const structure{v
 ERROR: 0:33: '=' : global const initializers must be constant 'const structure{v3,iv2,m}'
 ERROR: 9 compilation errors.  No code generated.
 
+
 ERROR: node is still EOpNull!
 0:10  Function Definition: main( (void)
 0:10    Function Parameters: 
@@ -29,3 +31,8 @@ ERROR: node is still EOpNull!
 0:?     'f' (const float)
 0:?       3.000000
 
+
+Linked fragment stage:
+
+
+