This makes it possible to indent a binary blob by a certain
number of bytes, and also makes some things more idiomatic.
Finally, it integrates this binary blob formatter into ScopedPrinter
which used to have its own implementation of this algorithm.
Differential Revision: https://reviews.llvm.org/D26477
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Summary:
I had for the second time today a bug where llvm::format("%s", Str)
was called with Str being a StringRef. The Linux and MacOS bots were
fine, but windows having different calling convention, it printed
garbage.
Instead we can catch this at compile-time: it is never expected to
call a C vararg printf-like function with non scalar type I believe.
Reviewers: bogner, Bigcheese, dexonsmith
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D25266
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Accidentally committed a few more of these cleanup changes than
intended. Still breaking these out & tidying them up.
This reverts commit r231135.
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There doesn't seem to be any need to assert that iterator assignment is
between iterators over the same node - if you want to reuse an iterator
variable to iterate another node, that's perfectly acceptable. Just
don't mix comparisons between iterators into disjoint sequences, as
usual.
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Introduces a subset of C++14 integer sequences in STLExtras. This is
just enough to support unpacking a std::tuple into the arguments of
snprintf, we can add more of it when it's actually needed.
Also removes an ancient macro hack that leaks a macro into the global
namespace. Clean up users that made use of the convenient hack.
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Previously using format_hex() would always print a 0x prior to the
hex characters. This allows this to be optional, so that one can
choose to print (e.g.) 255 as either 0xFF or just FF.
Differential Revision: http://reviews.llvm.org/D7151
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utils/sort_includes.py.
I clearly haven't done this in a while, so more changed than usual. This
even uncovered a missing include from the InstrProf library that I've
added. No functionality changed here, just mechanical cleanup of the
include order.
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llvm::format() is somewhat unsafe. The compiler does not check that integer
parameter size matches the %x or %d size and it does not complain when a
StringRef is passed for a %s. And correctly using a StringRef with format() is
ugly because you have to convert it to a std::string then call c_str().
The cases where llvm::format() is useful is controlling how numbers and
strings are printed, especially when you want fixed width output. This
patch adds some new formatting functions to raw_streams to format numbers
and StringRefs in a type safe manner. Some examples:
OS << format_hex(255, 6) => "0x00ff"
OS << format_hex(255, 4) => "0xff"
OS << format_decimal(0, 5) => " 0"
OS << format_decimal(255, 5) => " 255"
OS << right_justify(Str, 5) => " foo"
OS << left_justify(Str, 5) => "foo "
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It's not meant to be used with operator delete and this avoids emitting virtual
dtors for every derived format object.
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This is purely a documentation/whitespace cleanup for the format support
functions.
The current style does not duplicate the function/class names in the
documentation; conform to this style.
Additionally, there was a large amount of duplication of comments that added no
real value. Use block comments for the related sets of functions which are used
for type deduction and parameter container classes.
No functional change.
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Since we cannot yet use variadic templates, add a specialisation for
6-parameters to format. This is motivated by a need for the additional
parameter for formatting information for an unwind decoder for Windows on ARM.
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* wrap code blocks in \code ... \endcode;
* refer to parameter names in paragraphs correctly (\arg is not what most
people want -- it starts a new paragraph);
* use \param instead of \arg to document parameters in order to be consistent
with the rest of the codebase.
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flags as binutils objdump but the output is different, not just in format but
also showing different sections. Compare its results against readelf, not
objdump.
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- This also shortens the Format.h implementation, and uses the print buffer
fully (it was wasting a character).
- This manifested as llvm-test failures, because one side effect was that
raw_ostream would write garbage '\x00' values into the output stream if it
happened that the string was at the end of the buffer. This meant that grep
would report 'Binary file matches', which meant the silly pattern matching
llvm-test eventually does would fail. Cute. :)
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