.. include:: includes.rst

External Constant Name Rules
----------------------------

external_constant_name_100
##########################

|phase_2| |error| |whitespace|

This rule checks for a single space after the double less than.

|configuring_whitespace_rules_link|

**Violation**

.. code-block:: vhdl

   <<     constant dut.fifo.wr_en : std_logic >>
   <<constant dut.fifo.wr_en : std_logic >>

**Fix**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic >>
   << constant dut.fifo.wr_en : std_logic >>

external_constant_name_101
##########################

|phase_2| |error| |whitespace|

This rule checks for a single space after the **constant** keyword.

|configuring_whitespace_rules_link|

**Violation**

.. code-block:: vhdl

   << constant    dut.fifo.wr_en : std_logic >>

**Fix**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic >>

external_constant_name_102
##########################

|phase_2| |error| |whitespace|

This rule checks for a single space before the colon.

|configuring_whitespace_rules_link|

**Violation**

.. code-block:: vhdl

   << constant dut.fifo.wr_en: std_logic >>
   << constant dut.fifo.wr_en        : std_logic >>

**Fix**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic >>
   << constant dut.fifo.wr_en : std_logic >>

external_constant_name_103
##########################

|phase_2| |error| |whitespace|

This rule checks for a single space after the colon.

|configuring_whitespace_rules_link|

**Violation**

.. code-block:: vhdl

   << constant dut.fifo.wr_en :std_logic >>
   << constant dut.fifo.wr_en :     std_logic >>

**Fix**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic >>
   << constant dut.fifo.wr_en : std_logic >>

external_constant_name_104
##########################

|phase_2| |error| |whitespace|

This rule checks for a single space before the double greater than.

|configuring_whitespace_rules_link|

**Violation**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic>>
   << constant dut.fifo.wr_en : std_logic     >>

**Fix**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic >>
   << constant dut.fifo.wr_en : std_logic >>

external_constant_name_500
##########################

|phase_6| |error| |case| |case_keyword|

This rule checks the **constant** keyword has proper case.

|configuring_uppercase_and_lowercase_rules_link|

**Violation**

.. code-block:: vhdl

   << CONSTANT dut.fifo.wr_en : std_logic >>

**Fix**

.. code-block:: vhdl

   << constant dut.fifo.wr_en : std_logic >>