- 15 10月, 2015 1 次提交
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由 Eric Blake 提交于
Commit e36c714e causes 'qemu -netdev help' to dump core, because the call to visit_end_union() is no longer conditional on whether *obj was allocated. Reported by Marc-André Lureau <marcandre.lureau@gmail.com> Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1444861825-19256-1-git-send-email-eblake@redhat.com> [Commit message tweaked to say 'help' instead of '?'] Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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- 13 10月, 2015 13 次提交
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由 Eric Blake 提交于
Since we have consolidated all generated code to use 'err' as the name of the local variable for error detection, we can simplify the decision on whether to skip error detection (useful for deallocation paths) to be a boolean. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-18-git-send-email-eblake@redhat.com> [Change to gen_visit_fields() simplified] Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
Consolidate the code between visit, command marshalling, and event generation that iterates over the members of a struct. It reduces code duplication in the generator, so that a future patch can reduce the size of generated code while touching only one instead of three locations. There are no changes to the generated marshal code. The visitor code becomes slightly more verbose, but remains semantically equivalent, and is actually easier to read as it follows a more common idiom: | visit_optional(v, &(*obj)->has_device, "device", &err); |- if (!err && (*obj)->has_device) { |- visit_type_str(v, &(*obj)->device, "device", &err); |- } | if (err) { | goto out; | } |+ if ((*obj)->has_device) { |+ visit_type_str(v, &(*obj)->device, "device", &err); |+ if (err) { |+ goto out; |+ } |+ } The event code becomes slightly more verbose, but this is arguably a bug fix: although the visitors are not well documented, use of an optional member should not be attempted unless guarded by a prior call to visit_optional(). Works only because the output qmp visitor has a no-op visit_optional(): |+ visit_optional(v, &has_offset, "offset", &err); |+ if (err) { |+ goto out; |+ } | if (has_offset) { | visit_type_int(v, &offset, "offset", &err); Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-17-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
qapi-commands has a nice helper gen_err_check(), but did not use it everywhere. In fact, using it in more places makes it easier to reduce the lines of code used for generating error checks. This in turn will make it easier for later patches to consolidate another common pattern among the generators. The generated code has fewer blank lines in qapi-event.c functions, but has no semantic difference. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-16-git-send-email-eblake@redhat.com> [Drop another blank line for symmetry] Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
We had some pointless differences in the generated code for visit, command marshalling, and events; unifying them makes it easier for future patches to consolidate to common helper functions. This is one patch of a series to clean up these differences. This patch reduces the number of push_indent()/pop_indent() pairs so that generated code is typically already at its natural output indentation in the python files. It is easier to reason about generated code if the reader does not have to track how much spacing will be inserted alongside the code, and moreso when all of the generators use the same patterns (qapi-type and qapi-event were already using in-place indentation). Arguably, the resulting python may be a bit harder to read with C code at the same indentation as python; on the other hand, not having to think about push_indent() is a win, and most decent editors provide syntax highlighting that makes it easier to visually distinguish python code from string literals that will become C code. There is no change to the generated output. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-15-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
We had some pointless differences in the generated code for visit, command marshalling, and events; unifying them makes it easier for future patches to consolidate to common helper functions. This is one patch of a series to clean up these differences. This patch adjusts gen_visit_union() to use the same indentation as other functions, namely, by jumping early to the error label if the object was not set rather than placing the rest of the body inside an if for when it is set. No change in semantics to the generated code. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-14-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
We had some pointless differences in the generated code for visit, command marshalling, and events; unifying them makes it easier for future patches to consolidate to common helper functions. This is one patch of a series to clean up these differences. This patch names the goto labels 'out' (not 'clean') and 'out_obj' (not 'out_end'). Additionally, the generator was inconsistent on whether labels had a leading space [our HACKING is silent; while emacs 'gnu' style adds the space to avoid littering column 1]. For minimal churn, prefer no leading space; this also matches the style that is more prevalent in current qemu.git. No change in semantics to the generated code. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-13-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
We had some pointless differences in the generated code for visit, command marshalling, and events; unifying them makes it easier for future patches to consolidate to common helper functions. This is one patch of a series to clean up these differences. This patch names the local visitor variable 'v' rather than 'm'. Related objects, such as 'QapiDeallocVisitor', are also named by their initials instead of an unrelated leading m. No change in semantics to the generated code. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-12-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
We had some pointless differences in the generated code for visit, command marshalling, and events; unifying them makes it easier for future patches to consolidate to common helper functions. This is one patch of a series to clean up these differences. This patch consistently names the local error variable 'err' rather than 'local_err'. No change in semantics to the generated code. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-11-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
Rather than open-code the check for a valid base type, we should reuse the common functionality. This allows for consistent error messages, and also makes it easier for a later patch to turn on support for inline anonymous base structures. Test flat-union-inline is updated to test only one feature (anonymous branch dictionaries), which can be implemented independently (test flat-union-bad-base already covers the idea of an anonymous base dictionary). Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-10-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
The previous commit added two tests that triggered an assertion failure. It's fairly straightforward to avoid the failure by just outright forbidding the collision between a union's tag values and its discriminator name (including the implicit name 'kind' supplied for simple unions [*]). Ultimately, we'd like to move the collision detection into QAPISchema*.check(), but for now it is easier just to enhance the existing checks. [*] Of course, down the road, we have plans to rename the simple union tag name to 'type' to match the QMP wire name, but the idea of the collision will still be present even then. Technically, we could avoid the collision by naming the C union members representing each enum value as '_case_value' rather than 'value'; but until we have an actual qapi client (and not just our testsuite) that has a legitimate reason to match a case label to the name of a QMP key and needs the name munging to satisfy the compiler, it's easier to just reject the qapi as invalid. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-7-git-send-email-eblake@redhat.com> [Polished a few comments] Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
Silence pep8, and make pylint a bit happier. Just style cleanups, plus killing a useless comment in camel_to_upper(); no semantic changes. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-5-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
pylint recommends that every exception class should explicitly invoke the superclass __init__, even though things seem to work fine without it. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-4-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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由 Eric Blake 提交于
Use of '"...%s" % include' to print non-strings can lead to ugly messages, such as this (if the .json change is applied without the qapi.py change): Expected a file name (string), got: OrderedDict() Better is to just omit the actual non-string value in the message. Signed-off-by: NEric Blake <eblake@redhat.com> Message-Id: <1443565276-4535-3-git-send-email-eblake@redhat.com> Signed-off-by: NMarkus Armbruster <armbru@redhat.com>
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- 09 10月, 2015 1 次提交
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由 Markus Armbruster 提交于
The next commit will compile hw/input/virtio-input.c and hw/input/virtio-input-hid.c even when CONFIG_LINUX is off. These files include both "include/standard-headers/linux/input.h" and <windows.h> then. Doesn't work, because both define SW_MAX. We don't actually use it. Patch input.h to define SW_MAX_ instead. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1444320700-26260-2-git-send-email-armbru@redhat.com> Reviewed-by: NGerd Hoffmann <kraxel@redhat.com>
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- 25 9月, 2015 2 次提交
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由 Paolo Bonzini 提交于
"Match a single C-language char (octet) even if that is part of a larger UTF-8 character. Thus it breaks up characters into their UTF-8 bytes, so you may end up with malformed pieces of UTF-8." Just use a period instead. Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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由 Paolo Bonzini 提交于
If anything it should recommend strtok_r! Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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- 21 9月, 2015 22 次提交
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由 Markus Armbruster 提交于
To eliminate the temptation for clients to look up types by name (which are not ABI), replace all type names by meaningless strings. Reduces output of query-schema by 13 out of 85KiB. As a debugging aid, provide option -u to suppress the hiding. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-Id: <1442401589-24189-27-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
qapi/introspect.json defines the introspection schema. It's designed for QMP introspection, but should do for similar uses, such as QGA. The introspection schema does not reflect all the rules and restrictions that apply to QAPI schemata. A valid QAPI schema has an introspection value conforming to the introspection schema, but the converse is not true. Introspection lowers away a number of schema details, and makes implicit things explicit: * The built-in types are declared with their JSON type. All integer types are mapped to 'int', because how many bits we use internally is an implementation detail. It could be pressed into external interface service as very approximate range information, but that's a bad idea. If we need range information, we better do it properly. * Implicit type definitions are made explicit, and given auto-generated names: - Array types, named by appending "List" to the name of their element type, like in generated C. - The enumeration types implicitly defined by simple union types, named by appending "Kind" to the name of their simple union type, like in generated C. - Types that don't occur in generated C. Their names start with ':' so they don't clash with the user's names. * All type references are by name. * The struct and union types are generalized into an object type. * Base types are flattened. * Commands take a single argument and return a single result. Dictionary argument or list result is an implicit type definition. The empty object type is used when a command takes no arguments or produces no results. The argument is always of object type, but the introspection schema doesn't reflect that. The 'gen': false directive is omitted as implementation detail. The 'success-response' directive is omitted as well for now, even though it's not an implementation detail, because it's not used by QMP. * Events carry a single data value. Implicit type definition and empty object type use, just like for commands. The value is of object type, but the introspection schema doesn't reflect that. * Types not used by commands or events are omitted. Indirect use counts as use. * Optional members have a default, which can only be null right now Instead of a mandatory "optional" flag, we have an optional default. No default means mandatory, default null means optional without default value. Non-null is available for optional with default (possible future extension). * Clients should *not* look up types by name, because type names are not ABI. Look up the command or event you're interested in, then follow the references. TODO Should we hide the type names to eliminate the temptation? New generator scripts/qapi-introspect.py computes an introspection value for its input, and generates a C variable holding it. It can generate awfully long lines. Marked TODO. A new test-qmp-input-visitor test case feeds its result for both tests/qapi-schema/qapi-schema-test.json and qapi-schema.json to a QmpInputVisitor to verify it actually conforms to the schema. New QMP command query-qmp-schema takes its return value from that variable. Its reply is some 85KiBytes for me right now. If this turns out to be too much, we have a couple of options: * We can use shorter names in the JSON. Not the QMP style. * Optionally return the sub-schema for commands and events given as arguments. Right now qmp_query_schema() sends the string literal computed by qmp-introspect.py. To compute sub-schema at run time, we'd have to duplicate parts of qapi-introspect.py in C. Unattractive. * Let clients cache the output of query-qmp-schema. It changes only on QEMU upgrades, i.e. rarely. Provide a command query-qmp-schema-hash. Clients can have a cache indexed by hash, and re-query the schema only when they don't have it cached. Even simpler: put the hash in the QMP greeting. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
'gen': false needs to stay for now, because netdev_add is still using it. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-25-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
With the previous commit, the generated marshalers just work, and save us a bit of handwritten code. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-23-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
It's first class, because unlike '**', it actually works, i.e. doesn't require 'gen': false. '**' will go away next. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com>
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由 Markus Armbruster 提交于
gen_marshal_output() uses its parameter name only for name of the generated function. Name it after the type being marshaled instead of its caller, and drop duplicates. Saves 7 copies of qmp_marshal_output_int() in qemu-ga, and one copy of qmp_marshal_output_str() in qemu-system-*. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-19-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
Generated qapi-event.[ch] lose line breaks. No change otherwise. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-18-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
These functions marshal both input and output. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-17-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
Rename gen_marshal_input() to gen_marshal(), because the generated function marshals both arguments and results. Rename gen_visitor_input_containers_decl() to gen_marshal_vars(), and move the other variable declarations there, too. Rename gen_visitor_input_block() to gen_marshal_input_visit(), and rearrange its code slightly. Rename gen_marshal_input_decl() to gen_marshal_proto(), because the result isn't a full declaration, unlike gen_command_decl()'s. New gen_marshal_decl() actually returns a full declaration. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-16-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
Move gen_visit_decl() to a better place. Inline generate_visit_struct_body(). Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-15-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
Generate just 'FOO' instead of 'struct FOO' when possible. Drop helper functions that are now unused. Make pep8 and pylint reasonably happy. Rename generate_FOO() functions to gen_FOO() for consistency. Use more consistent and sensible variable names. Consistently use c_ for mapping keys when their value is a C identifier or type. Simplify gen_enum() and gen_visit_union() Consistently use single quotes for C text string literals. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1442401589-24189-14-git-send-email-armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
is_c_ptr() looks whether the end of the C text for the type looks like a pointer. Works, but is fragile. We now have a better tool: use QAPISchemaType method c_null(). The initializers for non-pointers become prettier: 0, false or the enumeration constant with the value 0 instead of {0}. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-13-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
Fixes events whose data is struct with base to include the struct's base members. Test case is qapi-schema-test.json's event __org.qemu_x-command: { 'event': '__ORG.QEMU_X-EVENT', 'data': '__org.qemu_x-Struct' } { 'struct': '__org.qemu_x-Struct', 'base': '__org.qemu_x-Base', 'data': { '__org.qemu_x-member2': 'str' } } { 'struct': '__org.qemu_x-Base', 'data': { '__org.qemu_x-member1': '__org.qemu_x-Enum' } } Patch's effect on generated qapi_event_send___org_qemu_x_event(): -void qapi_event_send___org_qemu_x_event(const char *__org_qemu_x_member2, +void qapi_event_send___org_qemu_x_event(__org_qemu_x_Enum __org_qemu_x_member1, + const char *__org_qemu_x_member2, Error **errp) { QDict *qmp; @@ -224,6 +225,10 @@ void qapi_event_send___org_qemu_x_event( goto clean; } + visit_type___org_qemu_x_Enum(v, &__org_qemu_x_member1, "__org.qemu_x-member1", &local_err); + if (local_err) { + goto clean; + } visit_type_str(v, (char **)&__org_qemu_x_member2, "__org.qemu_x-member2", &local_err); if (local_err) { goto clean; Code is generated in a different order now, but that doesn't matter. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com>
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由 Markus Armbruster 提交于
Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-11-git-send-email-armbru@redhat.com>
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由 Markus Armbruster 提交于
Duplicated in commit 21cd70df. Yes, we can't import qapi-types, but that's no excuse. Move the helpers from qapi-types.py to qapi.py, and replace the duplicates in qapi-event.py. The generated event enumeration type's lookup table becomes const-correct (see commit 2e4450ff), and uses explicit indexes instead of relying on order (see commit 912ae9c8). Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1442401589-24189-10-git-send-email-armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
Output unchanged apart from reordering and white-space. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Message-Id: <1442401589-24189-9-git-send-email-armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com>
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由 Markus Armbruster 提交于
Fixes flat unions to visit the base's base members (the previous commit merely added them to the struct). Same test case. Patch's effect on visit_type_UserDefFlatUnion(): static void visit_type_UserDefFlatUnion_fields(Visitor *m, UserDefFlatUnion **obj, Error **errp) { Error *err = NULL; + visit_type_int(m, &(*obj)->integer, "integer", &err); + if (err) { + goto out; + } visit_type_str(m, &(*obj)->string, "string", &err); if (err) { goto out; Test cases updated for the bug fix. Fixes alternates to generate a visitor for their implicit enumeration type. None of them are currently used, obviously. Example: block-core.json's BlockdevRef now generates visit_type_BlockdevRefKind(). Code is generated in a different order now, and therefore has got a few new forward declarations. Doesn't matter. The guard QAPI_VISIT_BUILTIN_VISITOR_DECL is renamed to QAPI_VISIT_BUILTIN. The previous commit's two ugly special cases exist here, too. Mark both TODO. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
Fixes flat unions to get the base's base members. Test case is from commit 2fc00432, in qapi-schema-test.json: { 'union': 'UserDefFlatUnion', 'base': 'UserDefUnionBase', 'discriminator': 'enum1', 'data': { 'value1' : 'UserDefA', 'value2' : 'UserDefB', 'value3' : 'UserDefB' } } { 'struct': 'UserDefUnionBase', 'base': 'UserDefZero', 'data': { 'string': 'str', 'enum1': 'EnumOne' } } { 'struct': 'UserDefZero', 'data': { 'integer': 'int' } } Patch's effect on UserDefFlatUnion: struct UserDefFlatUnion { /* Members inherited from UserDefUnionBase: */ + int64_t integer; char *string; EnumOne enum1; /* Own members: */ union { /* union tag is @enum1 */ void *data; UserDefA *value1; UserDefB *value2; UserDefB *value3; }; }; Flat union visitors remain broken. They'll be fixed next. Code is generated in a different order now, but that doesn't matter. The two guards QAPI_TYPES_BUILTIN_STRUCT_DECL and QAPI_TYPES_BUILTIN_CLEANUP_DECL are replaced by just QAPI_TYPES_BUILTIN. Two ugly special cases for simple unions now stand out like sore thumbs: 1. The type tag is named 'type' everywhere, except in generated C, where it's 'kind'. 2. QAPISchema lowers simple unions to semantically equivalent flat unions. However, the C generated for a simple unions differs from the C generated for its equivalent flat union, and we therefore need special code to preserve that pointless difference for now. Mark both TODO. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
The visitor will help keeping the code generation code simple and reasonably separated from QAPISchema details. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1442401589-24189-5-git-send-email-armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
New methods c_name(), c_type(), c_null(), json_type(), alternate_qtype(). Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Message-Id: <1442401589-24189-4-git-send-email-armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
The QAPI code generators work with a syntax tree (nested dictionaries) plus a few symbol tables (also dictionaries) on the side. They have clearly outgrown these simple data structures. There's lots of rummaging around in dictionaries, and information is recomputed on the fly. For the work I'm going to do, I want more clearly defined and more convenient interfaces. Going forward, I also want less coupling between the back-ends and the syntax tree, to make messing with the syntax easier. Create a bunch of classes to represent QAPI schemata. Have the QAPISchema initializer call the parser, then walk the syntax tree to create the new internal representation, and finally perform semantic analysis. Shortcut: the semantic analysis still relies on existing check_exprs() to do the actual semantic checking. All this code needs to move into the classes. Mark as TODO. Simple unions are lowered to flat unions. Flat unions and structs are represented as a more general object type. Catching name collisions in generated code would be nice. Mark as TODO. We generate array types eagerly, even though most of them aren't used. Mark as TODO. Nothing uses the new intermediate representation just yet, thus no change to generated files. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com>
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由 Markus Armbruster 提交于
I want to name a new class QAPISchema. While there, make it a new-style class. Signed-off-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Reviewed-by: NDaniel P. Berrange <berrange@redhat.com> Message-Id: <1442401589-24189-2-git-send-email-armbru@redhat.com>
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- 16 9月, 2015 1 次提交
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由 Fam Zheng 提交于
Latest perl now deprecates "{" literal in regex and print warnings like "unescaped left brace in regex is deprecated". Add escape to keep it happy. Signed-off-by: NFam Zheng <famz@redhat.com> Message-Id: <1441969656-2640-1-git-send-email-famz@redhat.com> Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>
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