qapi: Belatedly document modular code generation

We generate code for built-ins and sub-modules into separate files
since commit cdb6610ae42 and 252dc3105fc (v2.12.0).  Both commits
neglected to update documentation.  Do that now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190214152251.2073-2-armbru@redhat.com>

diff --git a/docs/devel/qapi-code-gen.txt b/docs/devel/qapi-code-gen.txt
index 87183d3a09186142fb810405c9739b253be9c65d..b91bde647c836e7137a88800e47b2e7558b0c198 100644 (file)
--- a/docs/devel/qapi-code-gen.txt
+++ b/docs/devel/qapi-code-gen.txt
@@ -1113,6 +1113,19 @@ Example:
 
 [Uninteresting stuff omitted...]
 
+For a modular QAPI schema (see section Include directives), code for
+each sub-module SUBDIR/SUBMODULE.json is actually generated into
+
+SUBDIR/$(prefix)qapi-types-SUBMODULE.h
+SUBDIR/$(prefix)qapi-types-SUBMODULE.c
+
+If qapi-gen.py is run with option --builtins, additional files are
+created:
+
+qapi-builtin-types.h - C types corresponding to built-in types
+
+qapi-builtin-types.c - Cleanup functions for the above C types
+
 === Code generated for visiting QAPI types ===
 
 These are the visitor functions used to walk through and convert
@@ -1244,6 +1257,19 @@ Example:
 
 [Uninteresting stuff omitted...]
 
+For a modular QAPI schema (see section Include directives), code for
+each sub-module SUBDIR/SUBMODULE.json is actually generated into
+
+SUBDIR/$(prefix)qapi-visit-SUBMODULE.h
+SUBDIR/$(prefix)qapi-visit-SUBMODULE.c
+
+If qapi-gen.py is run with option --builtins, additional files are
+created:
+
+qapi-builtin-visit.h - Visitor functions for built-in types
+
+qapi-builtin-visit.c - Declarations for these visitor functions
+
 === Code generated for commands ===
 
 These are the marshaling/dispatch functions for the commands defined
@@ -1342,6 +1368,12 @@ Example:
 
 [Uninteresting stuff omitted...]
 
+For a modular QAPI schema (see section Include directives), code for
+each sub-module SUBDIR/SUBMODULE.json is actually generated into
+
+SUBDIR/$(prefix)qapi-commands-SUBMODULE.h
+SUBDIR/$(prefix)qapi-commands-SUBMODULE.c
+
 === Code generated for events ===
 
 This is the code related to events defined in the schema, providing
@@ -1402,6 +1434,12 @@ Example:
 
 [Uninteresting stuff omitted...]
 
+For a modular QAPI schema (see section Include directives), code for
+each sub-module SUBDIR/SUBMODULE.json is actually generated into
+
+SUBDIR/$(prefix)qapi-events-SUBMODULE.h
+SUBDIR/$(prefix)qapi-events-SUBMODULE.c
+
 === Code generated for introspection ===
 
 The following files are created: