Eric Blake fafb3e354b qapi: Document visitor interfaces, add assertions ... The visitor interface for mapping between QObject/QemuOpts/string and QAPI is scandalously under-documented, making changes to visitor core, individual visitors, and users of visitors difficult to coordinate. Among other questions: when is it safe to pass NULL, vs. when a string must be provided; which visitors implement which callbacks; the difference between concrete and virtual visits. Correct this by retrofitting proper contracts, and document where some of the interface warts remain (for example, we may want to modify visit_end_* to require the same 'obj' as the visit_start counterpart, so the dealloc visitor can be simplified). Later patches in this series will tackle some, but not all, of these warts. Add assertions to (partially) enforce the contract. Some of these were only made possible by recent cleanup commits. Backports commit adfb264c9ed04bfc694921b72173be8e29e90024 from qemu		2018-02-23 15:45:31 -05:00
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common.json	qapi: Add alias for ErrorClass	2018-02-19 20:38:51 -05:00
Makefile.objs	remove glib dependency by provide compatible replacements	2016-12-18 14:56:58 -08:00
qapi-dealloc-visitor.c	qapi: Change visit_start_implicit_struct to visit_start_alternate	2018-02-23 15:33:25 -05:00
qapi-visit-core.c	qapi: Document visitor interfaces, add assertions	2018-02-23 15:45:31 -05:00
qmp-input-visitor.c	qapi: Change visit_start_implicit_struct to visit_start_alternate	2018-02-23 15:33:25 -05:00
qmp-output-visitor.c	qapi: Adjust layout of FooList types	2018-02-23 14:49:06 -05:00
string-input-visitor.c	qapi: Guarantee NULL obj on input visitor callback error	2018-02-23 14:53:23 -05:00