TranslationUnit[0:0->2:16]
  VariableDeclaration[0:0->1:0]
    Type[0:0->0:11]
      uniform vec3
    u_Color
  VariableDeclaration[1:0->2:0]
    Type[1:0->1:6]
      in vec3
    i_VertexColor
  VariableDeclaration[2:0->2:16]
    Type[2:0->2:7]
      out vec4
    o_Color