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docs/rosette: Minor updates

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- Fixing typo
- Reference `write_functional_rosette`
- Adjusting/fixing diff sections
- Comment on why the `code-block:: diff` isn't a `literalinclude`
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Krystine Sherwin 2025-02-07 15:08:24 +13:00
parent dc5a5b7bd1
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docs/source/yosys_internals/extending_yosys/functional_ir.rst
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@ -149,7 +149,7 @@ Example: Adapting SMT-LIB backend for Rosette
This section will walk through the process of adapting the SMT-LIB functional This section will walk through the process of adapting the SMT-LIB functional
backend (`write_functional_smt2`) to work with another s-expression target, backend (`write_functional_smt2`) to work with another s-expression target,
`Rosette`_. `Rosette`_ (`write_functional_rosette`).
.. _Rosette: http://emina.github.io/rosette/ .. _Rosette: http://emina.github.io/rosette/
@ -184,7 +184,7 @@ reject ascii characters which are not allowed in Racket variable names.
.. literalinclude:: /code_examples/functional/rosette.diff .. literalinclude:: /code_examples/functional/rosette.diff
:language: diff :language: diff
:caption: diff of ``Scope`` close :caption: diff of ``Scope`` class
:start-at: -struct SmtScope : public Functional::Scope<int> { :start-at: -struct SmtScope : public Functional::Scope<int> {
:end-at: }; :end-at: };
@ -195,6 +195,7 @@ also no longer need to reserve ``pair``, ``first``, and ``second``. In
current_state)`` and ``(outputs, next_state)`` into a single variable. Racket current_state)`` and ``(outputs, next_state)`` into a single variable. Racket
provides this functionality natively with ``cons``, which we will see later. provides this functionality natively with ``cons``, which we will see later.
.. inlined diff for skipping the actual lists
.. code-block:: diff .. code-block:: diff
:caption: diff of ``reserved_keywords`` list :caption: diff of ``reserved_keywords`` list
@ -255,7 +256,7 @@ to support this; providing one scope that is local to the struct
.. literalinclude:: /code_examples/functional/rosette.diff .. literalinclude:: /code_examples/functional/rosette.diff
:language: diff :language: diff
:caption: diff of struct constructor :caption: diff of struct constructor
:start-at: - SmtStruct(std::string name, SmtScope &scope) :start-at: SmtStruct(std::string name, SmtScope &scope)
:end-before: void write_definition :end-before: void write_definition
For writing outputs/next state (the ``write_value`` method), the only change is For writing outputs/next state (the ``write_value`` method), the only change is
@ -279,8 +280,8 @@ similar to the corresponding SMT-LIB function with minor adjustments for syntax.
.. literalinclude:: /code_examples/functional/rosette.diff .. literalinclude:: /code_examples/functional/rosette.diff
:language: diff :language: diff
:caption: portion of ``Functional::AbstractVisitor`` implementation diff showing similarities :caption: portion of ``Functional::AbstractVisitor`` implementation diff showing similarities
:start-at: SExpr zero_extend :start-at: SExpr logical_shift_left
:end-at: SExpr sub :end-before: SExpr input
However there are some differences in the two formats with regards to how However there are some differences in the two formats with regards to how
booleans are handled, with Rosette providing built-in functions for conversion. booleans are handled, with Rosette providing built-in functions for conversion.