Have check_exprs() check this later, so the error message gains an "in
definition line". Tweak the error message.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-25-armbru@redhat.com>
check_keys() has become a trivial wrapper for check_known_keys().
Eliminate it.
This makes its name available. Rename check_known_keys().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-24-armbru@redhat.com>
check_if()'s errors don't point to the offending part of the
expression. For instance:
tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' makes no sense
Other check_FOO() do, with the help of a @source argument. Make
check_if() do that, too. The example above improves to:
tests/qapi-schema/alternate-branch-if-invalid.json:2: 'if' condition ' ' of 'data' member 'branch' makes no sense
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190927134639.4284-23-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Many error messages refer to the offending definition even though
they're preceded by an "in definition" line. Rephrase them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190927134639.4284-22-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Have check_exprs() call check_keys() later, so its error messages gain
an "in definition" line.
Both check_keys() and check_name_is_str() check the definition's name
is a string. Since check_keys() now runs after check_name_is_str()
rather than before, its check is dead. Bury it. Checking values in
check_keys() is unclean anyway.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-21-armbru@redhat.com>
Split check_flags() off check_keys() and have check_exprs() call it
later, so its error messages gain an "in definition" line. Tweak the
error messages.
Checking values in a function named check_keys() is unclean anyway.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-20-armbru@redhat.com>
Move check_if() from check_keys() to check_exprs() and call it later,
so its error messages gain an "in definition" line.
Checking values in a function named check_keys() is unclean anyway.
The original sin was commit 0545f6b887 "qapi: Better error messages
for bad expressions", which checks the value of key 'name'. More
sinning in commit 2cbf09925a "qapi: More rigorous checking for type
safety bypass", commit c818408e44 "qapi: Implement boxed types for
commands/events", and commit 967c885108 "qapi: add 'if' to top-level
expressions". This commit does penance for the latter. The next
commits will do penance for the others.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-19-armbru@redhat.com>
QAPISchemaCommand.check() and QAPISchemaEvent().check() check 'data'
is present when 'boxed': true. That's context-free. Move to
check_command() and check_event().
Tweak the error message while there.
check_exprs() & friends now check exactly what qapi-code-gen.txt calls
the second layer of syntax.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-18-armbru@redhat.com>
When we introduced the QAPISchema intermediate representation (commit
ac88219a6c), we took a shortcut: we left check_exprs() & friends
alone instead of moving semantic checks into the
QAPISchemaFOO.check(). The .check() assert check_exprs() did its job.
Time to finish the conversion job. Move exactly the context-sensitive
checks to the .check(). They replace assertions there. Context-free
checks stay put.
Fixes the misleading optional tag error demonstrated by test
flat-union-optional-discriminator.
A few other error message improve.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-17-armbru@redhat.com>
check_name() consists of check_name_is_str() and check_name_str().
check_union() relies on the latter to catch optional discriminators.
The next commit will replace that by a more straightforward check.
Inlining check_name() into check_union() now should make that easier
to review.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-16-armbru@redhat.com>
Future commits will need info in the .check() methods of
QAPISchemaMember and its descendants. Get it there.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-15-armbru@redhat.com>
check_type() checks the array's contents, then peels off the array and
falls through to the "not array" code without resetting allow_array
and allow_dict to False. Works because the peeled value is a string,
and allow_array and allow_dict aren't used then. Tidy up anyway:
recurse instead, defaulting allow_array and allow_dict to False.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-14-armbru@redhat.com>
The checks for reserved names are spread far and wide. Move one from
add_name() to new check_defn_name_str(). This is a first step towards
collecting them all in dedicated name checking functions next to
check_name().
While there, drop the quotes around the meta-type in
check_name_str()'s error messages: "'command' uses ... name 'NAME'"
becomes "command uses ... name 'NAME'".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-13-armbru@redhat.com>
The special "does not allow optional name" error is well meant, but
confusing in practice. Drop it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-12-armbru@redhat.com>
Replace check_name() by check_name_str() where the name is known to be
a string.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-11-armbru@redhat.com>
Split check_name() into check_name_is_str() and check_name_str(), keep
check_name() as a wrapper.
Move add_name()'s call into its caller check_exprs(), and inline.
This permits delaying check_name_str() there, so its error message
gains an "in definition" line.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-10-armbru@redhat.com>
Most check_FOO() take the thing being checked as first argument.
check_name(), check_type(), check_known_keys() don't. Clean that up.
While there, drop a "Todo" comment that should have been dropped in
commit 87adbbffd4 "qapi: add a dictionary form for TYPE".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-9-armbru@redhat.com>
We report name clashes like this:
struct-base-clash.json: In struct 'Sub':
struct-base-clash.json:5: 'name' (member of Sub) collides with 'name' (member of Base)
The "(member of Sub)" is redundant with "In struct 'Sub'". Comes from
QAPISchemaMember.describe(). Pass info to it, so it can detect the
redundancy and avoid it. Result:
struct-base-clash.json: In struct 'Sub':
struct-base-clash.json:5: member 'name' collides with member 'name' of type 'Base'
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-8-armbru@redhat.com>
Starting error messages with a capital letter complicates things when
text can get interpolated both at the beginning and in the middle of
an error message. The next patch will do that. Switch to lower case
to keep it simpler.
For what it's worth, the GNU Coding Standards advise the message
"should not begin with a capital letter when it follows a program name
and/or file name, because that isn’t the beginning of a sentence. (The
sentence conceptually starts at the beginning of the line.)"
While there, avoid breaking lines containing multiple arguments in the
middle of an argument.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-7-armbru@redhat.com>
QAPISchemaMember.check_clash() checks for member names that map to the
same c_name(). Takes care of rejecting duplicate names.
It also checks a naming rule: no uppercase in member names. That's a
rather odd place to do it. Enforcing naming rules is
check_name_str()'s job.
qapi-code-gen.txt specifies the name case rule applies to the name as
it appears in the schema. check_clash() checks c_name(name) instead.
No difference, as c_name() leaves alone case, but unclean.
Move the name case check into check_name_str(), less the c_name().
New argument @permit_upper suppresses it. Pass permit_upper=True for
definitions (which are not members), and when the member's owner is
whitelisted with pragma name-case-whitelist.
Bonus: name-case-whitelist now applies to a union's inline base, too.
Update qapi/qapi-schema.json pragma to whitelist union CpuInfo instead
of CpuInfo's implicit base type's name q_obj_CpuInfo-base.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-6-armbru@redhat.com>
We take pains to include the offending expression in error messages,
e.g.
tests/qapi-schema/alternate-any.json:2: alternate 'Alt' member 'one' cannot use type 'any'
But not always:
tests/qapi-schema/enum-if-invalid.json:2: 'if' condition must be a string or a list of strings
Instead of improving them one by one, report the offending expression
whenever it is known, like this:
tests/qapi-schema/enum-if-invalid.json: In enum 'TestIfEnum':
tests/qapi-schema/enum-if-invalid.json:2: 'if' condition must be a string or a list of strings
Error messages that mention the offending expression become a bit
redundant, e.g.
tests/qapi-schema/alternate-any.json: In alternate 'Alt':
tests/qapi-schema/alternate-any.json:2: alternate 'Alt' member 'one' cannot use type 'any'
I'll take care of that later in this series.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-5-armbru@redhat.com>
We track source locations with a dict of the form
{'file': FNAME, 'line': LINENO, 'parent': PARENT}
where PARENT is None for the main file, and the include directive's
source location for included files.
This is serviceable enough, but the next commit will add information,
and that's going to come out cleaner if we turn this into a class. So
do that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-4-armbru@redhat.com>
QAPISchemaMember.owner is the name of the defining entity. That's a
confusing name when an object type inherits members from a base type.
Rename it to .defined_in. Rename .set_owner() and ._pretty_owner() to
match.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-3-armbru@redhat.com>
When we introduced the QAPISchema intermediate representation (commit
ac88219a6c), we took a shortcut: we left check_exprs() & friends
alone instead of moving semantic checks into the
QAPISchemaFOO.check(). check_exprs() still checks and reports errors,
and the .check() assert check_exprs() did the job. There are a few
gaps, though.
QAPISchemaArrayType.check() neglects to assert the element type is not
an array. Add the assertion.
QAPISchemaObjectTypeVariants.check() neglects to assert the tag member
is not optional. Add the assertion.
It neglects to assert the tag member is not conditional. Add the
assertion.
It neglects to assert we actually have variants. Add the assertion.
It asserts the variants are object types, but neglects to assert they
don't have variants. Tighten the assertion.
QAPISchemaObjectTypeVariants.check_clash() has the same issue.
However, it can run only after .check(). Delete the assertion instead
of tightening it.
QAPISchemaAlternateType.check() neglects to assert the branch types
don't conflict. Fixing that isn't trivial, so add just a TODO comment
for now. It'll be resolved later in this series.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190927134639.4284-2-armbru@redhat.com>
Easy since the previous commit provides .checked.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-20-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Entity checking goes back to commit ac88219a6c "qapi: New QAPISchema
intermediate representation", v2.5.0. It's designed to work as
follows: QAPISchema.check() calls .check() for all the schema's
entities. An entity's .check() recurses into another entity's
.check() only if the C struct generated for the former contains the C
struct generated for the latter (pointers don't count). This is used
to detect "object contains itself".
There are two instances of this:
* An object's C struct contains its base's C struct
QAPISchemaObjectType.check() calls self.base.check()
* An object's C struct contains its variants' C structs
QAPISchemaObjectTypeVariants().check calls v.type.check(). Since
commit b807a1e1e3 "qapi: Check for QAPI collisions involving variant
members", v2.6.0.
Thus, only object types can participate in recursion.
QAPISchemaObjectType.check() is made for that: it checks @self when
called the first time, recursing into base and variants, it reports an
"contains itself" error when this recursion reaches an object being
checked, and does nothing it reaches an object that has been checked
already.
The other .check() may safely assume they get called exactly once.
Sadly, this design has since eroded:
* QAPISchemaCommand.check() and QAPISchemaEvent.check() call
.args_type.check(). Since commit c818408e44 "qapi: Implement boxed
types for commands/events", v2.7.0. Harmless, since args_type can
only be an object type.
* QAPISchemaEntity.check() calls ._ifcond.check() when inheriting the
condition from another type. Since commit 4fca21c1b0 qapi: leave
the ifcond attribute undefined until check(), v3.0.0. This makes
simple union wrapper types recurse into the wrapped type (nothing
else uses this condition inheritance). The .check() of types used
as simple union branch type get called multiple times.
* QAPISchemaObjectType.check() calls its super type's .check()
*before* the conditional handling multiple calls. Also since commit
4fca21c1b0. QAPISchemaObjectType.check()'s guard against multiple
checking doesn't protect QAPISchemaEntity.check().
* QAPISchemaArrayType.check() calls .element_type.check(). Also since
commit 4fca21c1b0. The .check() of types used as array element
types get called multiple times.
Commit 56a4689582 "qapi: Fix array first used in a different module"
(v4.0.0) added more code relying on this .element_type.check().
The absence of explosions suggests the .check() involved happen to be
effectively idempotent.
Fix the unwanted recursion anyway:
* QAPISchemaCommand.check() and QAPISchemaEvent.check() calling
.args_type.check() is unnecessary. Delete the calls.
* Fix QAPISchemaObjectType.check() to call its super type's .check()
after the conditional handling multiple calls.
* A QAPISchemaEntity's .ifcond becomes valid at .check(). This is due
to arrays and simple unions.
Most types get ifcond and info passed to their constructor.
Array types don't: they get it from their element type, which
becomes known only in .element_type.check().
The implicit wrapper object types for simple union branches don't:
they get it from the wrapped type, which might be an array.
Ditch the idea to set .ifcond in .check(). Instead, turn it into a
property and compute it on demand. Safe because it's only used
after the schema has been checked.
Most types simply return the ifcond passed to their constructor.
Array types forward to their .element_type instead, and the wrapper
types forward to the wrapped type.
* A QAPISchemaEntity's .module becomes valid at .check(). This is
because computing it needs info and schema.fname, and because array
types get it from their element type instead.
Make it a property just like .ifcond.
Additionally, have QAPISchemaEntity.check() assert it gets called at
most once, so the design invariant will stick this time. Neglecting
that was entirely my fault.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-19-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
[Commit message tidied up]
QAPISchemaObjectType.check() does nothing for types that have been
checked already. Except the "has been checked" predicate is broken
for empty types: self.members is [] then, which isn't true. The bug
is harmless, but fix it anyway: use self.member is not None instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-18-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit bceae7697f "qapi script: support enum type as discriminator in
union" made check_exprs() add the implicit enum types of simple unions
to global @enum_types. I'm not sure it was needed even then. It's
certainly not needed now. Delete it.
discriminator_find_enum_define() and add_name() parameter @implicit
are now dead. Bury them.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-17-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
All callers pass a dict argument to @keys, except check_keys() passes
a dict's .keys(). Drop .keys() there, and rename parameter @keys to
@value.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-16-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
check_keys() parameter expr_elem expects a dictionary with keys 'expr'
and 'info'. Passing the two values separately is simpler, so do that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-15-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
We normalize shorthand to longhand forms in check_expr(): enumeration
values with normalize_enum(), feature values with
normalize_features(), struct members, union branches and alternate
branches with normalize_members(). If conditions are an exception: we
normalize them in QAPISchemaEntity.check() and
QAPISchemaMember.__init(), with listify_cond(). The idea goes back to
commit 2cbc94376e "qapi: pass 'if' condition into QAPISchemaEntity
objects", v3.0.0.
Normalize in check_expr() instead, with new helper normalize_if().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-14-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Commit 87adbbffd4..3e270dcacc "qapi: Add 'if' to (implicit
struct|union|alternate) members" (v4.0.0) neglected test coverage, and
promptly failed to check the conditions. Review fail.
Recent commit "tests/qapi-schema: Demonstrate insufficient 'if'
checking" added test coverage, demonstrating the bug. Fix it by add
the missing check_if().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-13-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
"'if': 'COND'" generates "#if COND". We reject empty COND because it
won't compile. Blank COND won't compile any better, so reject that,
too.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-12-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
check_union() checks the discriminator exists in base and makes sense.
Two error messages mention the base. These are broken for anonymous
bases, as demonstrated by tests flat-union-invalid-discriminator and
flat-union-invalid-if-discriminator.err. The third one doesn't
bother.
First broken when commit ac4338f8eb "qapi: Allow anonymous base for
flat union" (v2.6.0) neglected to adjust the "not a member of base"
error message. Commit ccadd6bcba "qapi: Add 'if' to implicit struct
members" (v4.0.0) then cloned the flawed error message.
Dumb them down not to mention the base.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-11-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
We represent the parse tree as OrderedDict. We fetch optional dict
members with .get(). So far, so good.
We represent null literals as None. .get() returns None both for
"absent" and for "present, value is the null literal". Uh-oh.
Test features-if-invalid exposes this bug: "'if': null" is
misinterpreted as absent "if".
We added null to the schema language to "allow [...] an explicit
default value" (commit e53188ada5 "qapi: Allow true, false and null in
schema json", v2.4.0). Hasn't happened; null is still unused except
as generic invalid value in tests/.
To fix, we'd have to replace .get() by something more careful, or
represent null differently. Feasible, but we got more and bigger fish
to fry right now. Remove the null literal from the schema language.
Replace null in tests by another invalid value.
Test features-if-invalid now behaves as it should.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-10-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Show text up to next structural character, whitespace, or quote
character instead of just the first character.
Forgotten quotes now get reported like "Stray 'command'" instead of
"Stray 'c'".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-9-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Consistently enclose error messages in double quotes. Use single
quotes within, except for one case of "'".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190914153506.2151-8-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The previous commit made qapi-code-gen.txt define "(top-level)
expression" as either "directive" or "definition". The code still
uses "expression" when it really means "definition". Tidy up.
The previous commit made qapi-code-gen.txt use "object" rather than
"dictionary". The code still uses "dictionary". Tidy up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-17-armbru@redhat.com>
For consistency with docs/devel/qapi-code-gen.txt.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-12-armbru@redhat.com>
Absent flat union branches default to the empty struct (since commit
800877bb16 "qapi: allow empty branches in flat unions"). But an
attempt to omit all of them is rejected with "Union 'FOO' has no
branches". Harmless oddity, but it's easy to avoid, so do that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-11-armbru@redhat.com>
[Commit message typo fixed]
A union or alternate without branches makes no sense and doesn't work:
it can't be instantiated. A union or alternate with just one branch
works, but is degenerate. We accept the former, but reject the
latter. Weird. docs/devel/qapi-code-gen.txt doesn't mention the
difference. It claims an alternate definition is "is similar to a
simple union type".
Permit degenerate alternates to make them consistent with unions.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-10-armbru@redhat.com>
We reject empty types with 'boxed': true. We don't really need that
to work, but making it work is actually simpler than rejecting it, so
do that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-9-armbru@redhat.com>
Since the previous commit restricted strings to printable ASCII,
\uXXXX's only use is obfuscation. Drop it.
This leaves \\, \/, \', and \". Since QAPI schema strings are all
names, and names are restricted to ASCII letters, digits, hyphen, and
underscore, none of them is useful.
The latter three have no test coverage. Drop them.
Keep \\ to avoid (more) gratuitous incompatibility with JSON.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-8-armbru@redhat.com>
RFC 8259 on string contents:
All Unicode characters may be placed within the quotation marks,
except for the characters that MUST be escaped: quotation mark,
reverse solidus, and the control characters (U+0000 through
U+001F).
The QAPI schema parser accepts both less and more than JSON: it
accepts only ASCII with \u (less), and accepts control characters
other than LF (new line) unescaped. How it treats unescaped non-ASCII
input differs between Python 2 and Python 3.
Make it accept strictly less: require printable ASCII. Drop support
for \b, \f, \n, \r, \t.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-7-armbru@redhat.com>
Commands and events can define their argument type inline (default) or
by referring to another type ('boxed': true, since commit c818408e44
"qapi: Implement boxed types for commands/events", v2.7.0). The
unboxed inline definition is an (anonymous) struct type. The boxed
type may be a struct, union, or alternate type.
The latter is problematic: docs/interop/qemu-spec.txt requires the
value of the 'data' key to be a json-object, but any non-degenerate
alternate type has at least one branch that isn't.
Fortunately, we haven't made use of alternates in this context outside
tests/. Drop support for them.
QAPISchemaAlternateType.is_empty() is now unused. Drop it, too.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-4-armbru@redhat.com>
check_type() uses @allow_optional only when @value is a dictionary and
@allow_dict is True. All callers that pass allow_dict=True also pass
allow_optional=True.
Therefore, @allow_optional is always True when check_type() uses it.
Drop the redundant parameter.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20190913201349.24332-3-armbru@redhat.com>
Pattern *.json also matches the tests/qapi-schema/*.json. Separates
them from the tests/qapi-schema/*.{err,exit,out} in diffs. I hate
that. Change the pattern to match just the "real" QAPI schemata.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190913201349.24332-2-armbru@redhat.com>
Event format ending with newlines confuse the trace reports.
Forbid them.
Add a check to refuse new format added with trailing newline:
$ make
[...]
GEN hw/misc/trace.h
Traceback (most recent call last):
File "scripts/tracetool.py", line 152, in <module>
main(sys.argv)
File "scripts/tracetool.py", line 143, in main
events.extend(tracetool.read_events(fh, arg))
File "scripts/tracetool/__init__.py", line 367, in read_events
event = Event.build(line)
File "scripts/tracetool/__init__.py", line 281, in build
raise ValueError("Event format can not end with a newline character")
ValueError: Error at hw/misc/trace-events:121: Event format can not end with a newline character
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190916095121.29506-3-philmd@redhat.com
Message-Id: <20190916095121.29506-3-philmd@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
qemu in general doesn't define CONFIG_FOO if it's false. This also
helps with the dumb kconfig parser from meson, as source_set considers
any non-empty value as true.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
We can tell that a decodetree input file is "secondary" when it
uses an argument set marked "!extern". This indicates that at
least one of the insn translation functions will have already
been declared by the "primary" input file, but given only the
secondary we cannot tell which.
Avoid redundant declaration warnings by suppressing them with pragmas.
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Call this form a "parameter", returning a value extracted
from the DisasContext.
Reviewed-by: Philippe Mathieu-Daude <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
docs/devel/tracing.txt explains "since many source files include
trace.h, [the generated trace.h use] a minimum of types and other
header files included to keep the namespace clean and compile times
and dependencies down."
Commit 4815185902 "trace: Add per-vCPU tracing states for events with
the 'vcpu' property" made them all include qom/cpu.h via
control-internal.h. qom/cpu.h in turn includes about thirty headers.
Ouch.
Per-vCPU tracing is currently not supported in sub-directories'
trace-events. In other words, qom/cpu.h can only be used in
trace-root.h, not in any trace.h.
Split trace/control-vcpu.h off trace/control.h and
trace/control-internal.h. Have the generated trace.h include
trace/control.h (which no longer includes qom/cpu.h), and trace-root.h
include trace/control-vcpu.h (which includes it).
The resulting improvement is a bit disappointing: in my "build
everything" tree, some 1100 out of 6600 objects (not counting tests
and objects that don't depend on qemu/osdep.h) depend on a trace.h,
and about 600 of them no longer depend on qom/cpu.h. But more than
1300 others depend on trace-root.h. More work is clearly needed.
Left for another day.
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190812052359.30071-8-armbru@redhat.com>
hw/tpm/trace-events uses TARGET_FMT_plx formats with uint64_t
arguments. That's wrong, TARGET_FMT_plx takes hwaddr. Since hwaddr
happens to be uint64_t, it works anyway. Messed up in commit
ec427498da, v2.12.0. Clean up by replacing TARGET_FMT_plx with its
macro expansion.
scripts/tracetool/format/log_stap.py (commit 62dd1048c0, v4.0.0) has
a special case for TARGET_FMT_plx. Delete it.
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20190812052359.30071-7-armbru@redhat.com>
"git archive" fails when a submodule has a modification, because "git
stash create" doesn't handle submodules. Let's teach our
archive-source.sh to handle modifications in submodules the same way
as qemu tree, by creating a stash.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190708200250.12017-1-marcandre.lureau@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
CONFIG_TPM is defined to a rather weird $(CONFIG_SOFTMMU) so that it
expands to the right thing in hw/Makefile.objs. This however is not
needed anymore and it has a corresponding hack in create_config
to turn it into "#define CONFIG_TPM 1". Clean up.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Copy and pasting from Thunderbird's "view source" window results in double
encoding of multibyte UTF-8 sequences. The appearance of those sequences is
very peculiar, so detect it and give an error despite the (low) possibility
of false positives.
As the major offender, I am also adding the same check to my applypatch-msg
and commit-msg hooks, but this will also cause patchew to croak loudly when
this mistake happens.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <1558099140-53240-1-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
Bugfixes.
# gpg: Signature made Fri 05 Jul 2019 21:21:52 BST
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
ioapic: use irq number instead of vector in ioapic_eoi_broadcast
hw/i386: Fix linker error when ISAPC is disabled
Makefile: generate header file with the list of devices enabled
target/i386: kvm: Fix when nested state is needed for migration
minikconf: do not include variables from MINIKCONF_ARGS in config-all-devices.mak
target/i386: fix feature check in hyperv-stub.c
ioapic: clear irq_eoi when updating the ioapic redirect table entry
intel_iommu: Fix unexpected unmaps during global unmap
intel_iommu: Fix incorrect "end" for vtd_address_space_unmap
i386/kvm: Fix build with -m32
checkpatch: do not warn for multiline parenthesized returned value
pc: fix possible NULL pointer dereference in pc_machine_get_device_memory_region_size()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
v2: generate config-devices.h which contains the list of devices enabled
Message-Id: <20190705143554.10295-1-julio.montes@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Julio Montes <julio.montes@intel.com>
When minikconf writes config-devices.mak, it includes all variables including
those from MINIKCONF_ARGS. This causes values from config-host.mak to "stick" to
the ones used in generating config-devices.mak, because config-devices.mak is
included after config-host.mak. Avoid this by omitting assignments coming
from the command line in the output of minikconf.
Reported-by: Christophe de Dinechin <dinechin@redhat.com>
Reviewed-by: Christophe de Dinechin <dinechin@redhat.com>
Tested-by: Christophe de Dinechin <dinechin@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
While indeed we do not want to have
return (a);
it is less clear that this applies to
return (a &&
b);
Some editors indent more nicely if you have parentheses, and some people's
eyes may appreciate that as well.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <1561116534-21814-1-git-send-email-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
It's not obvious that something named __init__.py actually houses
important code that isn't relevant to python packaging glue. Move the
QEMUMachine and related error classes out into their own module.
Adjust users to the new import location.
Signed-off-by: John Snow <jsnow@redhat.com>
Message-Id: <20190627212816.27298-2-jsnow@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
python3 doesn't have raw_input(), so qmp-shell breaks.
Use input() instead and override it with raw_input()
if running on python2.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20190620154035.30989-1-imammedo@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Typo comparing the sign of the field, twice, instead of also comparing
the mask of the field (which itself encodes both position and length).
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190604154225.26992-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Use git archive to create tarballs of qemu and submodules instead of
cloning the repository and the submodules. This is a order of magnitude
faster because it doesn't fetch the submodules from the internet each
time the script runs.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190520124716.30472-2-kraxel@redhat.com>
[AJB: fixed up tabs]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
QAPIDoc uses a state machine to for processing of documentation lines.
Its state is encoded as an enum QAPIDoc._state (well, as enum-like
class actually, thanks to our infatuation with Python 2).
All we ever do with the state is calling the state's function to
process a line of documentation. The enum values effectively serve as
handles for the functions.
Eliminate the rather wordy indirection: store the function to call in
QAPIDoc._append_line. Update and improve comments.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190606153803.5278-8-armbru@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
[Commit message typo fixed]
Features will be documented in a new part introduced by a "Features:"
line, after arguments and before named sections.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-6-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Documentation comments follow a certain structure: First, we have a text
with a general description (called QAPIDoc.body). After this,
descriptions of the arguments follow. Finally, we have a part that
contains various named sections.
The code doesn't show this structure, but just checks various attributes
that indicate indirectly which part is being processed, so it happens to
do the right set of things in the right phase. This is hard to follow,
and adding support for documentation of features would be even harder.
This patch restructures the code so that the three parts are clearly
separated. The code becomes a bit longer, but easier to follow. The
resulting output remains unchanged.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-5-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Sometimes, the behaviour of QEMU changes without a change in the QMP
syntax (usually by allowing values or operations that previously
resulted in an error). QMP clients may still need to know whether
they can rely on the changed behavior.
Let's add feature flags to the QAPI schema language, so that we can make
such changes visible with schema introspection.
An example for a schema definition using feature flags looks like this:
{ 'struct': 'TestType',
'data': { 'number': 'int' },
'features': [ 'allow-negative-numbers' ] }
Introspection information then looks like this:
{ "name": "TestType", "meta-type": "object",
"members": [
{ "name": "number", "type": "int" } ],
"features": [ "allow-negative-numbers" ] }
This patch implements feature flags only for struct types. We'll
implement them more widely as needed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20190606153803.5278-2-armbru@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
clean-header-guards.pl fails to recognize a header guard #endif when
it's followed by a // comment, or multiple comments. Fix that.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190604181618.19980-3-armbru@redhat.com>
No header includes qemu-common.h after this commit, as prescribed by
qemu-common.h's file comment.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20190523143508.25387-5-armbru@redhat.com>
[Rebased with conflicts resolved automatically, except for
include/hw/arm/xlnx-zynqmp.h hw/arm/nrf51_soc.c hw/arm/msf2-soc.c
block/qcow2-refcount.c block/qcow2-cluster.c block/qcow2-cache.c
target/arm/cpu.h target/lm32/cpu.h target/m68k/cpu.h target/mips/cpu.h
target/moxie/cpu.h target/nios2/cpu.h target/openrisc/cpu.h
target/riscv/cpu.h target/tilegx/cpu.h target/tricore/cpu.h
target/unicore32/cpu.h target/xtensa/cpu.h; bsd-user/main.c and
net/tap-bsd.c fixed up]
Now that we have both ArchCPU and CPUArchState, we can define
this generically instead of via macro in each target's cpu.h.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
According to: https://spdx.org/ids-how, let's still allow QEMU to use
the SPDX license identifier:
// SPDX-License-Identifier: ***
CC: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Xu <peterx@redhat.com>
Message-Id: <20190426062705.4651-1-peterx@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Stop using variable length array in dc_zva
* Implement M-profile XPSR GE bits
* Don't enable ARMV7M_EXCP_DEBUG from reset
* armv7m_nvic: NS BFAR and BFSR are RAZ/WI if BFHFNMINS == 0
* armv7m_nvic: Check subpriority in nvic_recompute_state_secure()
* fix various minor issues to allow building for Windows-on-ARM64
* aspeed: Set SDRAM size
* Allow system registers for KVM guests to be changed by QEMU code
* raspi: Diagnose requests for too much RAM
* virt: Support firmware configuration with -blockdev
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20190507' into staging
target-arm queue:
* Stop using variable length array in dc_zva
* Implement M-profile XPSR GE bits
* Don't enable ARMV7M_EXCP_DEBUG from reset
* armv7m_nvic: NS BFAR and BFSR are RAZ/WI if BFHFNMINS == 0
* armv7m_nvic: Check subpriority in nvic_recompute_state_secure()
* fix various minor issues to allow building for Windows-on-ARM64
* aspeed: Set SDRAM size
* Allow system registers for KVM guests to be changed by QEMU code
* raspi: Diagnose requests for too much RAM
* virt: Support firmware configuration with -blockdev
# gpg: Signature made Tue 07 May 2019 12:59:30 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20190507:
target/arm: Stop using variable length array in dc_zva
target/arm: Implement XPSR GE bits
hw/intc/armv7m_nvic: Don't enable ARMV7M_EXCP_DEBUG from reset
hw/intc/armv7m_nvic: NS BFAR and BFSR are RAZ/WI if BFHFNMINS == 0
hw/arm/armv7m_nvic: Check subpriority in nvic_recompute_state_secure()
osdep: Fix mingw compilation regarding stdio formats
util/cacheinfo: Use uint64_t on LLP64 model to satisfy Windows ARM64
qga: Fix mingw compilation warnings on enum conversion
QEMU_PACKED: Remove gcc_struct attribute in Windows non x86 targets
arm: aspeed: Set SDRAM size
arm: Allow system registers for KVM guests to be changed by QEMU code
hw/arm/raspi: Diagnose requests for too much RAM
hw/arm/virt: Support firmware configuration with -blockdev
pflash_cfi01: New pflash_cfi01_legacy_drive()
pc: Rearrange pc_system_firmware_init()'s legacy -drive loop
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
gcc_struct is for x86 only, and it generates an warning on ARM64 Clang/MinGW targets.
Signed-off-by: Cao Jiaxi <driver1998@foxmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20190503003618.10089-1-driver1998@foxmail.com
[PMM: dropped the slirp change as slirp is now a submodule]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Assuming that the ISA clearly describes how to determine
the length of the instruction, and the ISA has a reasonable
maximum instruction length, the input to the decoder can be
right-justified in an appropriate insn word.
This is not 100% convenient, as out-of-line %fields are
numbered relative to the maximum instruction length, but
this appears to still be usable.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
The slirp project is now hosted on freedesktop at:
https://gitlab.freedesktop.org/slirp.
The libslirp source was extracted from qemu/slirp filtered through
clang-format (available in project tree). The qemu slirp directory can
be swapped by a git submodule.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20190424110041.8175-3-marcandre.lureau@redhat.com>
Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Add linux/mman.h,asm/mman.h,asm/mman-common.h to linux-headers,
So we can use more mmap2 flags.
Signed-off-by: Zhang Yi <yi.z.zhang@linux.intel.com>
Message-Id: <f65c78d74859f815aa9c4f97407eb33361a6672c.1549555521.git.yi.z.zhang@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Emit comments with shortened file names (previous commit).
Limit search to the input file's directory.
Cope with properties tcg (commit b2b36c22bd) and vcpu (commit
3d211d9f4d).
Cope with capital letters in function names.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 20190314180929.27722-4-armbru@redhat.com
Message-Id: <20190314180929.27722-4-armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
target/hppa/trace-events only contains disabled events, resulting in a
trace-dtrace.dtrace file that says "provider qemu {}". SystemTap's
dtrace(1) tool prints a warning when processing this input file.
This patch avoids the error by emitting an empty file instead of
"provider qemu {}" when there are no enabled trace events.
Fixes: 23c3d569f4 ("target/hppa: add TLB trace events")
Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Liam Merwick <liam.merwick@oracle.com>
Message-id: 20190321170831.6539-3-stefanha@redhat.com
Message-Id: <20190321170831.6539-3-stefanha@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The result of this typo would be that "select_foo" would be treated as a "select"
keyword followed by "_foo". Nothing too bad, but easy to fix so let's be clean.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In commit d0dead3b6d we changed to shipping the u-boot
sources as a tarball, to work around a problem where they
contained a file and directory that had the same name except
for case, which was preventing QEMU's source tarball being
unpacked on case-insensitive filesystems.
In commit f2a3b549e3 we updated our u-boot blob
and sources to v2019.01, which no longer has this problem,
so we can finally remove our workaround (effectively
reverting d0dead3b6d).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Message-id: 20190314155628.8822-1-peter.maydell@linaro.org
Add support for pattern groups.
Other misc cleanups for multiple decode functions.
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Merge remote-tracking branch 'remotes/rth/tags/pull-dt-20190312' into staging
Break out documentation to docs/devel/.
Add support for pattern groups.
Other misc cleanups for multiple decode functions.
# gpg: Signature made Tue 12 Mar 2019 16:59:37 GMT
# gpg: using RSA key 64DF38E8AF7E215F
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* remotes/rth/tags/pull-dt-20190312:
decodetree: Properly diagnose fields overflowing an insn
decodetree: Prefix extract function names with decode_function
decodetree: Allow +- to begin a number initializing a field
decodetree: Produce clean output for an empty input file
decodetree: Add --static-decode option
test/decode: Add tests for PatternGroups
decodetree: Allow grouping of overlapping patterns
decodetree: Do not unconditionaly return from Pattern.output_code
decodetree: Ensure build_tree does not include values outside insnmask
decodetree: Document the usefulness of argument sets
decodetree: Move documentation to docs/devel/decodetree.rst
MAINTAINERS: Add scripts/decodetree.py to the TCG section
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Previously this would result in an exception for shifting
the field mask by a negative number.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This is interesting for bisection, where an output file is plumbed,
but does not yet have patterns.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
As a consequence, the 'return false' gets pushed up one level.
This will allow us to perform some other action when the
translator returns failure.
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
