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42 Commits

Author SHA1 Message Date
Benjamin Kramer
f6c0615b06 Retire llvm::array_endof in favor of non-member std::end. 
While there make array_lengthof constexpr if we have support for it.

llvm-svn: 206112
 2014-04-12 16:15:53 +00:00
Nick Kledzik
d2da6e7c22 Fix layering StringRef copy using BumpPtrAllocator. 
Now to copy a string into a BumpPtrAllocator and get a StringRef to the copy:

   StringRef myCopy = myStr.copy(myAllocator);
   

llvm-svn: 200885
 2014-02-05 22:22:56 +00:00
Alp Toker
b29938426f Roll back the ConstStringRef change for now 
There are a couple of interesting things here that we want to check over
(particularly the expecting asserts in StringRef) and get right for general use
in ADT so hold back on this one. For clang we have a workable templated
solution to use in the meanwhile.

This reverts commit r200187.

llvm-svn: 200194
 2014-01-27 05:24:39 +00:00
Alp Toker
43e8630002 StringRef: Extend constexpr capabilities and introduce ConstStringRef 
(1) Add llvm_expect(), an asserting macro that can be evaluated as a constexpr
    expression as well as a runtime assert or compiler hint in release builds. This
    technique can be used to construct functions that are both unevaluated and
    compiled depending on usage.

(2) Update StringRef using llvm_expect() to preserve runtime assertions while
    extending the same checks to static asserts in C++11 builds that support the
    feature.

(3) Introduce ConstStringRef, a strong subclass of StringRef that references
    compile-time constant strings. It's convertible to, but not from, ordinary
    StringRef and thus can be used to add compile-time safety to various interfaces
    in LLVM and clang that only accept fixed inputs such as diagnostic format
    strings that tend to get misused.

llvm-svn: 200187
 2014-01-27 04:07:17 +00:00
Chandler Carruth
87f14b4eec Re-sort all of the includes with ./utils/sort_includes.py so that 
subsequent changes are easier to review. About to fix some layering
issues, and wanted to separate out the necessary churn.

Also comment and sink the include of "Windows.h" in three .inc files to
match the usage in Memory.inc.

llvm-svn: 198685
 2014-01-07 11:48:04 +00:00
Rui Ueyama
75714118ae Add {start,end}with_lower methods to StringRef. 
startswith_lower is ocassionally useful and I think worth adding.
endwith_lower is added for completeness.

Differential Revision: http://llvm-reviews.chandlerc.com/D2041

llvm-svn: 193706
 2013-10-30 18:32:26 +00:00
Rui Ueyama
d2d474fbd6 Add a few tests for StringRef::{start,end}with. 
llvm-svn: 193550
 2013-10-28 22:42:54 +00:00
Joerg Sonnenberger
d6a76ffd81 Add a Python-like join function to merge a list of strings with a 
separator between each two elements.

llvm-svn: 189846
 2013-09-03 20:43:54 +00:00
Chandler Carruth
f413c260cc Sort the #include lines for unittest/... 
llvm-svn: 169250
 2012-12-04 10:23:08 +00:00
Nick Kledzik
df402d7821 Use unsigned long long instead of uin64_t for OS where that matters. 
llvm-svn: 165147
 2012-10-03 19:27:25 +00:00
Benjamin Kramer
c4738f8eac Don't call getAsUnsignedInteger directly, it fails to compile if uint64_t is not "unsigned long long". 
while there add more test cases.

llvm-svn: 165140
 2012-10-03 18:54:36 +00:00
Nick Kledzik
9057d55506 Add getAsUnsignedInteger test case that checks that known bad values are rejected 
llvm-svn: 165136
 2012-10-03 18:15:27 +00:00
Michael J. Spencer
6161587c9f [Support/StringRef] Add find_last_not_of and {r,l,}trim. 
llvm-svn: 156652
 2012-05-11 22:08:50 +00:00
Michael J. Spencer
a979afa64b Fix warnings. 
llvm-svn: 152522
 2012-03-11 00:51:01 +00:00
Michael J. Spencer
69772efcb2 Make StringRef::getAsInteger work with all integer types. Before this change 
it would fail with {,u}int64_t on x86-64 Linux.

This also removes code duplication.

llvm-svn: 152517
 2012-03-10 23:02:54 +00:00
Chandler Carruth
b4a6f80d2e Add generic support for hashing StringRef objects using the new hashing library. 
llvm-svn: 152003
 2012-03-04 10:55:27 +00:00
Benjamin Kramer
0c20486517 Add a bad char heuristic to StringRef::find. 
Based on Horspool's simplified version of Boyer-Moore. We use a constant-sized table of
uint8_ts to keep cache thrashing low, needles bigger than 255 bytes are uncommon anyways.

The worst case is still O(n*m) but we do a lot better on the average case now.

llvm-svn: 142061
 2011-10-15 10:08:31 +00:00
Jakob Stoklund Olesen
783b18e818 Fix a bug in compare_numeric(). 
Thanks to Alexandru Dura and Jonas Paulsson for finding it.

llvm-svn: 140859
 2011-09-30 17:03:55 +00:00
Lenny Maiorani
1b1a9860d1 Remove bounded StringRef::compare() since nothing but Clang SA was using it and it is just as easy to use StringRef::substr() preceding StringRef::compare() to achieve the same thing. 
llvm-svn: 130430
 2011-04-28 20:20:12 +00:00
Lenny Maiorani
dfae65d305 Implements StringRef::compare with bounds. It is behaves similarly to strncmp(). Unit tests also included. 
llvm-svn: 129582
 2011-04-15 17:56:50 +00:00
Chris Lattner
7bdd5c3eb7 Don't infinitely recurse! Patch by Marius Wachtler! 
llvm-svn: 124366
 2011-01-27 07:35:27 +00:00
Benjamin Kramer
7dcd303d9c StringRef::compare_numeric also differed from StringRef::compare for characters > 127. 
llvm-svn: 112189
 2010-08-26 15:25:35 +00:00
Benjamin Kramer
25003daf90 Do unsigned char comparisons in StringRef::compare_lower to be more consistent with compare in corner cases. 
llvm-svn: 112185
 2010-08-26 14:21:08 +00:00
Jakob Stoklund Olesen
1c0aa5f14a Add StringRef::compare_numeric and use it to sort TableGen register records. 
This means that our Registers are now ordered R7, R8, R9, R10, R12, ...
Not R1, R10, R11, R12, R2, R3, ...

llvm-svn: 104745
 2010-05-26 21:47:28 +00:00
Benjamin Kramer
9e60957f54 Silence compiler warning. 
warning: comparison between signed and unsigned integer expressions
llvm-svn: 92359
 2009-12-31 16:27:13 +00:00
Douglas Gregor
c4174c69ea Document the edit-distance algorithm used in StringRef, switch it over 
to SmallVector, and add a unit test.

llvm-svn: 92340
 2009-12-31 04:24:34 +00:00
Douglas Gregor
1dafbbc020 Move the two definitions of operator<< into namespace llvm, so they 
will be found by argument-dependent lookup. As with the previous
commit, GCC is allowing ill-formed code.

llvm-svn: 92146
 2009-12-24 21:15:37 +00:00
Eli Friedman
fe6a796851 Change StringRef::startswith and StringRef::endswith to versions which are a 
bit more verbose, but optimize to much shorter code.

llvm-svn: 91817
 2009-12-21 06:49:24 +00:00
Benjamin Kramer
891fbcdb60 Reenable Split2 StringRef test with Apple gcc. 
llvm-svn: 89357
 2009-11-19 16:04:41 +00:00
Daniel Dunbar
e36c429c3b "XFAIL" the Split2 StringReft test with Apple gcc, which miscompiles it. 
- I plan on fixing/workarounding this, but until then I'd like the bots to stay
   green.

llvm-svn: 89077
 2009-11-17 09:29:59 +00:00
Rafael Espindola
bece8d9ae7 Distinguish "a," from "a". The first one splits into "a" + "" and the second one into 
"a" + 0.

llvm-svn: 87084
 2009-11-13 04:55:09 +00:00
Rafael Espindola
11ceba8119 Switch to smallvector. Also fix issue with using unsigend for MaxSplit. 
llvm-svn: 87068
 2009-11-13 02:18:25 +00:00
Rafael Espindola
22f040b797 Add a new split method to StringRef that puts the substrings in a vector. 
llvm-svn: 87058
 2009-11-13 01:24:40 +00:00
Daniel Dunbar
16a5387db2 Add From arguments to StringRef search functions, and tweak doxyments. 
Also, add unittests for find_first_of and find_first_not_of.

llvm-svn: 86770
 2009-11-11 00:28:53 +00:00
Daniel Dunbar
60e1dee7fa Add StringRef::{rfind, rsplit} 
llvm-svn: 82087
 2009-09-16 22:38:48 +00:00
Daniel Dunbar
09f40a7871 Fix pasto in StringRef::count(char) 
llvm-svn: 79356
 2009-08-18 18:34:22 +00:00
Daniel Dunbar
4a9a98a5de Add StringRef::count({char,StringRef}) 
llvm-svn: 79354
 2009-08-18 18:26:35 +00:00
Daniel Dunbar
f4e8af6ecc StringRef: Add find(char) and find(StringRef). 
Also, regroup functions.

llvm-svn: 78712
 2009-08-11 20:47:15 +00:00
Daniel Dunbar
b97f9fc3f5 Add StringRef::{slice, split}, two convenient string operations which are simple 
and efficient on a StringRef.

llvm-svn: 77117
 2009-07-26 03:18:15 +00:00
Daniel Dunbar
6bbe0f1151 Support writing a StringRef to a raw_ostream directly. 
llvm-svn: 76754
 2009-07-22 17:13:20 +00:00
Daniel Dunbar
30c92a0aee Add StringRef::{substr, startswith}. 
llvm-svn: 76559
 2009-07-21 09:18:49 +00:00
Daniel Dunbar
8ab30670cc Add StringRef class, with fixes. 
llvm-svn: 76543
 2009-07-21 07:28:51 +00:00