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@@ -79,6 +79,10 @@ A CMake Language source file consists of zero or more
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`Command Invocations`_ separated by newlines and optionally
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spaces and `Comments`_:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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file: `file_element`*
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file_element: `command_invocation` `line_ending` |
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@@ -87,6 +91,10 @@ spaces and `Comments`_:
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space: <match '[ \t]+'>
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newline: <match '\n'>
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+.. raw:: latex
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+
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+ \end{small}
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+
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Note that any source file line not inside `Command Arguments`_ or
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a `Bracket Comment`_ can end in a `Line Comment`_.
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@@ -98,6 +106,10 @@ Command Invocations
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A *command invocation* is a name followed by paren-enclosed arguments
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separated by whitespace:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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command_invocation: `space`* `identifier` `space`* '(' `arguments` ')'
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identifier: <match '[A-Za-z_][A-Za-z0-9_]*'>
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@@ -106,6 +118,10 @@ separated by whitespace:
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: `separation`* '(' `arguments` ')'
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separation: `space` | `line_ending`
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+.. raw:: latex
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+
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+ \end{small}
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+
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For example:
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.. code-block:: cmake
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@@ -137,9 +153,17 @@ Command Arguments
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There are three types of arguments within `Command Invocations`_:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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argument: `bracket_argument` | `quoted_argument` | `unquoted_argument`
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+.. raw:: latex
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+
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+ \end{small}
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+
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.. _`Bracket Argument`:
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Bracket Argument
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@@ -149,6 +173,10 @@ A *bracket argument*, inspired by `Lua`_ long bracket syntax,
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encloses content between opening and closing "brackets" of the
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same length:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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bracket_argument: `bracket_open` `bracket_content` `bracket_close`
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bracket_open: '[' '='{len} '['
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@@ -156,6 +184,10 @@ same length:
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: of the same {len} as the `bracket_open`>
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bracket_close: ']' '='{len} ']'
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+.. raw:: latex
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+
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+ \end{small}
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+
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An opening bracket of length *len >= 0* is written ``[`` followed
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by *len* ``=`` followed by ``[`` and the corresponding closing
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bracket is written ``]`` followed by *len* ``=`` followed by ``]``.
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@@ -197,6 +229,10 @@ Quoted Argument
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A *quoted argument* encloses content between opening and closing
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double-quote characters:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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quoted_argument: '"' `quoted_element`* '"'
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quoted_element: <any character except '\' or '"'> |
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@@ -204,6 +240,10 @@ double-quote characters:
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: `quoted_continuation`
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quoted_continuation: '\' `newline`
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+.. raw:: latex
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+
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+ \end{small}
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+
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Quoted argument content consists of all text between opening and
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closing quotes. Both `Escape Sequences`_ and `Variable References`_
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are evaluated. A quoted argument is always given to the command
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@@ -246,12 +286,20 @@ An *unquoted argument* is not enclosed by any quoting syntax.
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It may not contain any whitespace, ``(``, ``)``, ``#``, ``"``, or ``\``
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except when escaped by a backslash:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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unquoted_argument: `unquoted_element`+ | `unquoted_legacy`
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unquoted_element: <any character except whitespace or one of '()#"\'> |
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: `escape_sequence`
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unquoted_legacy: <see note in text>
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+.. raw:: latex
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+
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+ \end{small}
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+
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Unquoted argument content consists of all text in a contiguous block
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of allowed or escaped characters. Both `Escape Sequences`_ and
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`Variable References`_ are evaluated. The resulting value is divided
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@@ -294,12 +342,20 @@ Escape Sequences
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An *escape sequence* is a ``\`` followed by one character:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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escape_sequence: `escape_identity` | `escape_encoded` | `escape_semicolon`
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escape_identity: '\' <match '[^A-Za-z0-9;]'>
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escape_encoded: '\t' | '\r' | '\n'
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escape_semicolon: '\;'
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+.. raw:: latex
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+
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+ \end{small}
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+
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A ``\`` followed by a non-alphanumeric character simply encodes the literal
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character without interpreting it as syntax. A ``\t``, ``\r``, or ``\n``
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encodes a tab, carriage return, or newline character, respectively. A ``\;``
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@@ -348,9 +404,17 @@ Bracket Comment
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A ``#`` immediately followed by a `Bracket Argument`_ forms a
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*bracket comment* consisting of the entire bracket enclosure:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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bracket_comment: '#' `bracket_argument`
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+.. raw:: latex
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+
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+ \end{small}
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+
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For example:
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.. code-block:: cmake
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@@ -371,10 +435,18 @@ Line Comment
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A ``#`` not immediately followed by a `Bracket Argument`_ forms a
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*line comment* that runs until the end of the line:
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+.. raw:: latex
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+
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+ \begin{small}
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+
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.. productionlist::
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line_comment: '#' <any text not starting in a `bracket_argument`
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: and not containing a `newline`>
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+.. raw:: latex
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+
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+ \end{small}
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+
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For example:
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.. code-block:: cmake
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