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path: root/lib/Lex/PPExpressions.cpp
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2012-03-08Add support for cooked forms of user-defined-integer-literal andRichard Smith
user-defined-floating-literal. Support for raw forms of these literals to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152302 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-06User-defined literals: reject string and character UDLs in all places where theRichard Smith
grammar requires a string-literal and not a user-defined-string-literal. The two constructs are still represented by the same TokenKind, in order to prevent a combinatorial explosion of different kinds of token. A flag on Token tracks whether a ud-suffix is present, in order to prevent clients from needing to look at the token's spelling. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@152098 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05Basic: import SmallString<> into clang namespaceDylan Noblesmith
(I was going to fix the TODO about DenseMap too, but that would break self-host right now. See PR11922.) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149799 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-17Remove unreachable code in Clang. (replace with llvm_unreachable where ↵David Blaikie
appropriate or when GCC requires it) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@148292 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15-Wc++98-compat warnings for the lexer.Richard Smith
This also adds a -Wc++98-compat-pedantic for warning on constructs which would be diagnosed by -std=c++98 -pedantic (that is, it warns even on C++11 features which we enable by default, with no warning, in C++98 mode). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142034 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-14Add a preprocessor callback that is invoked every time the 'defined'Douglas Gregor
operator is seen, from Jason Haslam! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@141926 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Fix missing includes for llvm_unreachableDavid Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140368 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-23Switch assert(0/false) llvm_unreachable.David Blaikie
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@140367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-04Support code-completion for C++ inline methods and ObjC buffering methods.Argyrios Kyrtzidis
Previously we would cut off the source file buffer at the code-completion point; this impeded code-completion inside C++ inline methods and, recently, with buffering ObjC methods. Have the code-completion inserted into the source buffer so that it can be buffered along with a method body. When we actually hit the code-completion point the cut-off lexing or parsing. Fixes rdar://10056932&8319466 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139086 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03A couple fixes for preprocessor expressions:Eli Friedman
1. Be more tolerant of comments in -CC (comment-preserving) mode. We were missing a few cases. 2. Make sure to expand the second FOO in "#if defined FOO FOO". (See also r97253, which addressed the case of "#if defined(FOO FOO".) Fixes PR10286. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136748 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27Add support for C++0x unicode string and character literals, from Craig Topper!Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136210 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-23remove unneeded llvm:: namespace qualifiers on some core types now that ↵Chris Lattner
LLVM.h imports them into the clang namespace. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135852 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-28Rename tok::eom to tok::eod.Peter Collingbourne
The previous name was inaccurate as this token in fact appears at the end of every preprocessing directive, not just macro definitions. No functionality change, except for a diagnostic tweak. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126631 91177308-0d34-0410-b5e6-96231b3b80d8
2010-12-15Fix diagnostic pragmas.Argyrios Kyrtzidis
Diagnostic pragmas are broken because we don't keep track of the diagnostic state changes and we only check the current/latest state. Problems manifest if a diagnostic is emitted for a source line that has different diagnostic state than the current state; this can affect a lot of places, like C++ inline methods, template instantiations, the lexer, etc. Fix the issue by having the Diagnostic object keep track of the source location of the pragmas so that it is able to know what is the diagnostic state at any given source location. Fixes rdar://8365684. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@121873 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-13move logic for computing signed integer overflow when constant foldingChris Lattner
into APInt. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@116453 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24Implement code completion for preprocessor expressions and in macroDouglas Gregor
arguments. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111976 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-24Implement preprocessor code completion where a macro name is expected,Douglas Gregor
e.g., after #ifdef/#ifndef or #undef, or inside a defined <macroname> expression in a preprocessor conditional. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111954 91177308-0d34-0410-b5e6-96231b3b80d8
2010-07-26Fix namespace polution.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@109440 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16Introduce optional "Invalid" parameters to routines that invoke theDouglas Gregor
SourceManager's getBuffer() and, therefore, could fail, along with Preprocessor::getSpelling(). Use the Invalid parameters in the literal parsers (string, floating point, integral, character) to make them robust against errors that stem from, e.g., PCH files that are not consistent with the underlying file system. I still need to audit every use caller to all of these routines, to determine which ones need specific handling of error conditions. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98608 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27Another trivial getSpelling simplification.Benjamin Kramer
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97327 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-27Add an overload of Preprocessor::getSpelling which takes a SmallVector andBenjamin Kramer
returns a StringRef. Use it to simplify some repetitive code. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97322 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-26fix rdar://7683173, rejecting an invalid conditionalChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97253 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14fix rdar://7466570 - Be more bug compatible with GCC when it comes to Chris Lattner
expanding directives withing macro expansions. This is undefined behavior according to 6.10.3p11, so we might as well be undefined in ways similar to GCC. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91266 91177308-0d34-0410-b5e6-96231b3b80d8
2009-12-14reduce indentation.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@91262 91177308-0d34-0410-b5e6-96231b3b80d8
2009-11-13Wherein the TargetInfo argument to Preprocessor is made 'const' and propogated.Daniel Dunbar
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@87087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-10-30Re-arranged some internal functions for coming __has_include changes.John Thompson
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@85589 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-09Remove tabs, and whitespace cleanups.Mike Stump
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@81346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14Basic support for C++0x unicode types. Support for literals will follow in ↵Alisdair Meredith
an incremental patch git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@75622 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-05Move CharIsSigned from TargetInfo to LangOptions.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72928 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-01PR4283: Don't truncate multibyte character constants in the Eli Friedman
preprocessor. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72686 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-16PR3942: Don't warn on unsigned overflow in preprocessor expressions.Eli Friedman
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@71960 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-24simplification and speedupChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69963 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-29move library-specific diagnostic headers into library private dirs. ReduceChris Lattner
redundant #includes. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63271 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-27Split the single monolithic DiagnosticKinds.def file into oneChris Lattner
.def file for each library. This means that adding a diagnostic to sema doesn't require all the other libraries to be rebuilt. Patch by Anders Johnsen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@63111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-01-18fix rdar://6505352 - Bogus warning with -WUndef, a caseChris Lattner
Anders noticed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@62472 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-23make the 'to match this' diagnostic a note.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59921 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-19don't turn identifierinfo's into strings in diagnostics.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59602 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18Remove the last of the old-style Preprocessor::Diag methods.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59554 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-18remove one more Preprocessor::Diag method.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59512 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-17various updates to match r54873 on mainline.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54874 91177308-0d34-0410-b5e6-96231b3b80d8
2008-08-11More #include cleaningDaniel Dunbar
- Kill unnecessary #includes in .cpp files. This is an automatic sweep so some things removed are actually used, but happen to be included by a previous header. I tried to get rid of the obvious examples and this was the easiest way to trim the #includes in one fell swoop. - We now return to regularly scheduled development. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@54632 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-03Fix PR2252: don't warn on negating an unsigned value ever, and don't emitChris Lattner
'integer constant is so large that it is unsigned' warning for hex literals. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53070 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05Fix typo, improve comment.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50666 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05Fix a few more bugs in preprocessor expressions w.r.t. ?:. Now I Chris Lattner
think it is really right. :) This fixes PR2284. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50665 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05Neil pointed out that clang doesn't generate ranges from diagnosticsChris Lattner
related to pp-expressions. Doing so is pretty simple and this patch implements it, yielding nice diagnostics like: t.c:2:7: error: division by zero in preprocessor expression #if 1 / (0 + 0) ~ ^ ~~~~~~~ t.c:5:14: error: expected ')' in preprocessor expression #if (412 + 42 ~~~~~~~~^ t.c:5:5: error: to match this '(' #if (412 + 42 ^ t.c:10:10: warning: left side of operator converted from negative value to unsigned: -42 to 18446744073709551574 #if (-42 + 0U) / -2 ~~~ ^ ~~ t.c:10:16: warning: right side of operator converted from negative value to unsigned: -2 to 18446744073709551614 #if (-42 + 0U) / -2 ~~~~~~~~~~ ^ ~~ 5 diagnostics generated. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50638 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-05fix a bug handling right associative operators that Neil noticed, hopefullyChris Lattner
the final part of PR2279 git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50635 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-04||/&& do not do UAC's either. This silences a bogus warning on #if -1 || 4U.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50632 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-04Neil points out that commas don't do UACs either.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50631 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-04Fix the rest of PR2279:Chris Lattner
a) correct rejection of ',' in pp expressions. b) the precedence of ',' was wrong w.r.t. ?:. Thanks again to Neil for finding these and providing testcases. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50625 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-04Fix PR2279 part C: shifts don't perform the UACs, thanks to Neil Chris Lattner
for pointing this out. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@50624 91177308-0d34-0410-b5e6-96231b3b80d8
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