diff options
| -rw-r--r-- | docs/devel/qapi-code-gen.rst | 58 | ||||
| -rw-r--r-- | scripts/qapi/parser.py | 10 | ||||
| -rw-r--r-- | tests/qapi-schema/doc-good.json | 19 | ||||
| -rw-r--r-- | tests/qapi-schema/doc-good.out | 26 | ||||
| -rw-r--r-- | tests/qapi-schema/doc-good.txt | 23 |
5 files changed, 98 insertions, 38 deletions
diff --git a/docs/devel/qapi-code-gen.rst b/docs/devel/qapi-code-gen.rst index ae97b335cb..583207a8ec 100644 --- a/docs/devel/qapi-code-gen.rst +++ b/docs/devel/qapi-code-gen.rst @@ -899,7 +899,7 @@ Documentation markup ~~~~~~~~~~~~~~~~~~~~ Documentation comments can use most rST markup. In particular, -a ``::`` literal block can be used for examples:: +a ``::`` literal block can be used for pre-formatted text:: # :: # @@ -995,8 +995,8 @@ line "Features:", like this:: # @feature: Description text A tagged section begins with a paragraph that starts with one of the -following words: "Since:", "Example:"/"Examples:", "Returns:", -"Errors:", "TODO:". It ends with the start of a new section. +following words: "Since:", "Returns:", "Errors:", "TODO:". It ends with +the start of a new section. The second and subsequent lines of tagged sections must be indented like this:: @@ -1020,13 +1020,53 @@ detailing a relevant error condition. For example:: A "Since: x.y.z" tagged section lists the release that introduced the definition. -An "Example" or "Examples" section is rendered entirely -as literal fixed-width text. "TODO" sections are not rendered at all -(they are for developers, not users of QMP). In other sections, the -text is formatted, and rST markup can be used. +"TODO" sections are not rendered (they are for developers, not users of +QMP). In other sections, the text is formatted, and rST markup can be +used. + +QMP Examples can be added by using the ``.. qmp-example::`` +directive. In its simplest form, this can be used to contain a single +QMP code block which accepts standard JSON syntax with additional server +directionality indicators (``->`` and ``<-``), and elisions (``...``). + +Optionally, a plaintext title may be provided by using the ``:title:`` +directive option. If the title is omitted, the example title will +default to "Example:". + +A simple QMP example:: + + # .. qmp-example:: + # :title: Using query-block + # + # -> { "execute": "query-block" } + # <- { ... } + +More complex or multi-step examples where exposition is needed before or +between QMP code blocks can be created by using the ``:annotated:`` +directive option. When using this option, nested QMP code blocks must be +entered explicitly with rST's ``::`` syntax. + +Highlighting in non-QMP languages can be accomplished by using the +``.. code-block:: lang`` directive, and non-highlighted text can be +achieved by omitting the language argument. For example:: + # .. qmp-example:: + # :annotated: + # :title: A more complex demonstration + # + # This is a more complex example that can use + # ``arbitrary rST syntax`` in its exposition:: + # + # -> { "execute": "query-block" } + # <- { ... } + # + # Above, lengthy output has been omitted for brevity. + + +Examples of complete definition documentation:: + ## # @BlockStats: # @@ -1058,11 +1098,11 @@ For example:: # # Since: 0.14 # - # Example: + # .. qmp-example:: # # -> { "execute": "query-blockstats" } # <- { - # ... lots of output ... + # ... # } ## { 'command': 'query-blockstats', diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py index 6ad5663e54..adc85b5b39 100644 --- a/scripts/qapi/parser.py +++ b/scripts/qapi/parser.py @@ -553,7 +553,7 @@ class QAPISchemaParser: # Note: "sections" with two colons are left alone as # rST markup and not interpreted as a section heading. - # TODO: Remove this error sometime in 2025 or so + # TODO: Remove these errors sometime in 2025 or so # after we've fully transitioned to the new qapidoc # generator. @@ -567,6 +567,14 @@ class QAPISchemaParser: ) raise QAPIParseError(self, emsg) + if 'Example' in match.group(1): + emsg = ( + f"The '{match.group(1)}' section is no longer " + "supported. Please use the '.. qmp-example::' " + "directive, or other suitable markup instead." + ) + raise QAPIParseError(self, emsg) + doc.new_tagged_section(self.info, match.group(1)) text = line[match.end():] if text: diff --git a/tests/qapi-schema/doc-good.json b/tests/qapi-schema/doc-good.json index b565895858..f64bf38d85 100644 --- a/tests/qapi-schema/doc-good.json +++ b/tests/qapi-schema/doc-good.json @@ -172,12 +172,17 @@ # # Duis aute irure dolor # -# Example: +# .. qmp-example:: +# :title: Ideal fast-food burger situation # -# -> in -# <- out +# -> "in" +# <- "out" # -# Examples: +# Examples:: +# +# - Not a QMP code block +# - Merely a preformatted code block literal +# It isn't even an rST list. # - *verbatim* # - {braces} # @@ -199,11 +204,11 @@ # @cmd-feat1: a feature # @cmd-feat2: another feature # -# Example: +# .. qmp-example:: # -# -> in +# -> "this example" # -# <- out +# <- "has no title" ## { 'command': 'cmd-boxed', 'boxed': true, 'data': 'Object', diff --git a/tests/qapi-schema/doc-good.out b/tests/qapi-schema/doc-good.out index a8e9456f60..6d24f1127b 100644 --- a/tests/qapi-schema/doc-good.out +++ b/tests/qapi-schema/doc-good.out @@ -184,13 +184,21 @@ frobnicate - Ut enim ad minim veniam Duis aute irure dolor - section=Example - -> in - <- out - section=Examples + +.. qmp-example:: + :title: Ideal fast-food burger situation + + -> "in" + <- "out" + +Examples:: + + - Not a QMP code block + - Merely a preformatted code block literal + It isn't even an rST list. - *verbatim* - {braces} - section=None + Note:: Ceci n'est pas une note section=Since @@ -202,10 +210,12 @@ If you're bored enough to read this, go see a video of boxed cats a feature feature=cmd-feat2 another feature - section=Example - -> in + section=None +.. qmp-example:: + + -> "this example" - <- out + <- "has no title" doc symbol=EVT_BOXED body= diff --git a/tests/qapi-schema/doc-good.txt b/tests/qapi-schema/doc-good.txt index 30d457e548..cb37db606a 100644 --- a/tests/qapi-schema/doc-good.txt +++ b/tests/qapi-schema/doc-good.txt @@ -217,17 +217,16 @@ Notes: Duis aute irure dolor +Example: Ideal fast-food burger situation: -Example -~~~~~~~ - - -> in - <- out - + -> "in" + <- "out" -Examples -~~~~~~~~ +Examples: + - Not a QMP code block + - Merely a preformatted code block literal + It isn't even an rST list. - *verbatim* - {braces} @@ -261,13 +260,11 @@ Features "cmd-feat2" another feature +Example:: -Example -~~~~~~~ - - -> in + -> "this example" - <- out + <- "has no title" "EVT_BOXED" (Event) |