Add column to location logs

This option can be enabled using the new --error-column option to the command line utility.
It can also be enabled programatically.

Test/error-column.vert

@@ -0,0 +1,27 @@
+#version 450 core
+
+layout (location = 0) in vec3 aPos;
+layout (location = 1) in vec2 aTexCoords;
+
+layout (binding = 0) uniform block {
+    const mat4 model;
+    const mat4 view;
+    const mat4 projection;
+};
+
+layout (location = 0) out Vertex
+{
+    vec3 color;
+    vec3 worldSpacePos;
+    vec3 worldSpaceNorm;
+    const vec2 texCoord1;
+    flat int cameraIndex;
+    float ii;
+} vs_out;
+
+void main()
+{
+    gl_Position = projection * view * model * vec4(Pos, 1.0);  
+    vs_out.texCoord1 = aTexCoords;
+}
+