Method arrayIndexCheck

glslang/MachineIndependent/ParseHelper.cpp:4259–4268

Both test, and if necessary spit out an error, to see if the node is really supported as an array index.

// supported as an array index.
//
void TParseContext::arrayIndexCheck(const TIntermTyped* node, const char* token)
{
    auto from_type = node->getBasicType();

    if ((from_type == EbtInt64 || from_type == EbtUint64) &&
        extensionTurnedOn(E_GL_EXT_shader_64bit_indexing))
        return;

    integerCheck(node, token);
}

//
// Both test, and if necessary spit out an error, to see if we are currently