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path: root/lib/Frontend/TextDiagnosticPrinter.cpp
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2011-09-06Use ArrayRef for the fixit hint array rather than a pointer and a size.Chandler Carruth
Clean up loops over the hints to use the more idiomatic iterator form in LLVM and Clang. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139195 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-06Hoist the construction of the FixItHint line into a member function withChandler Carruth
a defined interface. This isn't as nice as the previous one, but should get better as I push through better data types in all these functions. Also, I'm hoping to pull some aspects of this out into a common routine (such as tab expansion). Again, WIP, comments welcome as I'm going through. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139190 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-02Hoist the emission of parseable fixits into a helper method, simplifyingChandler Carruth
and reducing indentation through the clever use of early exits. ;] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@139001 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-31Create a CaretDiagnostic class to hold the logic for emittingChandler Carruth
(unsurprisingly) caret diagnostics. This is designed to bring some organization to the monstrous EmitCaretDiagnostic function, and allow factoring it more easily and with less mindless parameter passing. Currently this just lifts the existing function into a method, and splits off the obviously invariant arguments to be class members. No functionality is changed, and there are still lots of warts to let existing code continue functioning as-is. Definitely WIP, more cleanups to follow. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138921 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-31Sink all of the include stack printing logic into its member function.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@138920 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-26Rename SourceManager (and InstantiationInfo) isMacroArgInstantiation APIChandler Carruth
to isMacroArgExpansion. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136053 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename getInstantiationLineNumber to getExpansionLineNumber in bothChandler Carruth
SourceManager and FullSourceLoc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135969 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename getInstantiationColumnNumber to getExpansionColumnNumber in bothChandler Carruth
SourceManager and FullSourceLoc. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135965 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename getDecomposedInstantiationLoc to getDecomposedExpansionLoc.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135962 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename SourceManager::getImmediateInstantiationRange toChandler Carruth
getImmediateExpansionRange. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135960 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Rename SourceManager::getInstantiationRange to getExpansionRange.Chandler Carruth
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135915 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25Mechanically rename SourceManager::getInstantiationLoc andChandler Carruth
FullSourceLoc::getInstantiationLoc to ...::getExpansionLoc. This is part of the API and documentation update from 'instantiation' as the term for macros to 'expansion'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135914 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
2011-07-14Switch all local code and comments from '[Ii]nstantiat(ion|ed)' toChandler Carruth
'[Ee]xpan(sion|ded)' in the TextDiagnosticPrinter. No functionality changed. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135136 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-14Switch the diagnostic messages about macros to use the terms 'expanded'Chandler Carruth
and 'expansions' rather than 'instantiated' and 'contexts'. This is the first of several patches migrating Clang's terminology surrounding macros from 'instantiation' to 'expansion'. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135135 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-07Keep track of which source locations are part of a macro argumentChandler Carruth
instantiation and improve diagnostics which are stem from macro arguments to trace the argument itself back through the layers of macro expansion. This requires some tricky handling of the source locations, as the argument appears to be expanded in the opposite direction from the surrounding macro. This patch provides helper routines that encapsulate the logic and explain the reasoning behind how we step through macros during diagnostic printing. This fixes the rest of the test cases originially in PR9279, and later split out into PR10214 and PR10215. There is still some more work we can do here to improve the macro backtrace, but those will follow as separate patches. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134660 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-28Fix PR9279 - Macro expansion stack trace seriously broken with ↵Chris Lattner
function-style macros, by not recursively printing notes for other 'instantiated from' notes. This is a one line fix here: + // Don't print recursive instantiation notes from an instantiation note. + Loc = SM.getSpellingLoc(Loc); While here, fix the testcase to be more precise (it got filecheck'ized brutally), and fix EmitCaretDiagnostic to be private and to not pass down the unused 'Level' argument. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133993 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-24In TextDiagnosticPrinter::EmitCaretDiagnostic, don't always drop fixits if ↵Argyrios Kyrtzidis
the caret location points to a macro instantiation. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@133802 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-26Change the include stack of "instantiated from" notes to fall under the ↵Richard Trieu
control of f/fno-diagnostics-show-note-include-stack flags. This should help with reducing diagnostic spew from macros instantiations. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132143 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25A StringRef-ication of the DiagnosticIDs API and internals.Argyrios Kyrtzidis
Patch by Matthieu Monrocq with tweaks by me to avoid StringRefs in the static diagnostic data structures, which resulted in a huge global-var-init function. Depends on llvm commit r132046. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@132047 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-21Introduce the -fdiagnostics-format=xxx option to control how ClangDouglas Gregor
prints the file, line, and column of a diagnostic. We currently support Clang's normal format, MSVC, and Vi formats. Note that we no longer change the diagnostic format based on -fms-extensions. Patch by Andrew Fish! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131794 91177308-0d34-0410-b5e6-96231b3b80d8
2011-04-15Initial work to improve documentation for Clang's diagnostics, from Matthieu ↵Douglas Gregor
Monrocq git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129614 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-31Remove a redundant isValid() checkMatt Beaumont-Gay
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128606 91177308-0d34-0410-b5e6-96231b3b80d8
2011-03-27Add an option to suppress include stack printing on note diagnostics.Chandler Carruth
These stacks are often less important than those on primary diagnostics. As the number of notes grows, this becomes increasingly important. The include stack printing is clever and doesn't print stacks for adjacent diagnostics from the same file, but when a note is in between a sequence of errors in a header file, and the notes all refer to some other file, we end up getting a worst-case ping-pong of include stacks that take up a great deal of vertical space. Still, for now, the default behavior isn't changed. We can evaluate user feedback with the flag. Patch by Richard Trieu, a couple of style tweaks from me. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128371 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-25Teach TextDiagnosticPrinter to print out '-Werror' in addition to the ↵Ted Kremenek
warning flag for a warning mapped to an error. For example: t.c:7:9: error: using the result of an assignment as a condition without parentheses [-Werror,-Wparentheses] git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126466 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-27TextDiagnosticPrinter.cpp: Show diagnostics as far as possible even with ↵Axel Naumann
invalid PresomedLoc, instead of just silencing it. FileManager.cpp: Allow virtual files in nonexistent directories. FileManager.cpp: Close FileDescriptor for virtual files that correspond to actual files. FileManager.cpp: Enable virtual files to be created even for files that were flagged as NON_EXISTENT_FILE, e.g. by a prior (unsuccessful) addFile(). ASTReader.cpp: Read a PCH even if the original source files cannot be found. Add a test for reading a PCH of a file that has been removed and diagnostics referencing that file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124374 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Since multiple diagnostics can share one diagnostic client, have the client ↵Argyrios Kyrtzidis
keeping track of the total number of warnings/errors reported. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119731 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-18Refactoring of Diagnostic class.Argyrios Kyrtzidis
-Move the stuff of Diagnostic related to creating/querying diagnostic IDs into a new DiagnosticIDs class. -DiagnosticIDs can be shared among multiple Diagnostics for multiple translation units. -The rest of the state in Diagnostic object is considered related and tied to one translation unit. -Have Diagnostic point to the SourceManager that is related with. Diagnostic can now accept just a SourceLocation instead of a FullSourceLoc. -Reflect the changes to various interfaces. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@119730 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-12Make sure to always check the result ofDouglas Gregor
SourceManager::getPresumedLoc(), so that we don't try to make use of an invalid presumed location. Doing so can cause crashes. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@118885 91177308-0d34-0410-b5e6-96231b3b80d8
2010-11-02Teach SourceManager::getPresumedLoc() how to fail gracefully if ↵Douglas Gregor
getLineNumber/getColumnNumber fail git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117990 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-20Eliminate some extraneous whitespace in the machine-parseable Fix-It output.Douglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111610 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-19Add machine-parseable Fix-It output as part of diagnostics, under theDouglas Gregor
flag -fdiagnostics-parseable-fixits, from Eelis van der Weegen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111557 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-18Simplify FixItHint by eliminated the unnecessary InsertionLocDouglas Gregor
location. Patch by Eelis van der Weegen! git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@111362 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-21Bug 7377: printf checking fails to flag some undefined behavior Tom Care
http://llvm.org/bugs/show_bug.cgi?id=7377 Updated format string highlighting and fixits to take advantage of the new CharSourceRange class. - Change HighlightRange to allow highlighting whitespace only in a CharSourceRange (for warnings about the ' ' (space) flag) - Change format specifier range helper function to allow for half-open ranges (+1 to end) - Enabled previously failing tests (FIXMEs/XFAILs removed) - Small fixes and additions to format string test cases M test/Sema/format-strings.c M test/Sema/format-strings-fixit.c M lib/Frontend/TextDiagnosticPrinter.cpp M lib/Sema/SemaChecking.cpp git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106480 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-18introduce a new CharSourceRange class, and enhance the diagnostics routinesChris Lattner
to use them instead of SourceRange. CharSourceRange is just a SourceRange plus a bool that indicates whether the range has the end character resolved or whether the end location is the start of the end token. While most of the compiler wants to think of ranges that have ends that are the start of the end token, the printf diagnostic stuff wants to highlight ranges within tokens. This is transparent to the diagnostic stuff. To start taking advantage of the new capabilities, you can do something like this: Diag(..) << CharSourceRange::getCharRange(Begin,End) git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106338 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-24when too many errors are emitted, and we produce:Chris Lattner
fatal error: too many errors emitted, stopping now [-ferror-limit=] Tell the user that this is controlled with -ferror-limit=, like above. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104528 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04add a new -fdiagnostics-show-category=none/id/name option, giving controlChris Lattner
over choice of: t.c:3:11: warning: conversion specifies type 'char *' but the argument has type 'int' [-Wformat] t.c:3:11: warning: conversion specifies type 'char *' but the argument has type 'int' [-Wformat,1] t.c:3:11: warning: conversion specifies type 'char *' but the argument has type 'int' [-Wformat,Format String] dox to come. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103056 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04When -fdiagnostics-print-source-range-info is specified,Chris Lattner
print the diagnostic category number in the [] at the end of the line. For example: $ cat t.c #include <stdio.h> void foo() { printf("%s", 4); } $ clang t.c -fsyntax-only -fdiagnostics-print-source-range-info t.c:3:11:{3:10-3:12}{3:15-3:16}: warning: conversion specifies type 'char *' but the argument has type 'int' [-Wformat,1] printf("%s", 4); ~^ ~ 1 warning generated. Clients that want category information can now pick the number out of the output, rdar://7928231. More coming. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103053 91177308-0d34-0410-b5e6-96231b3b80d8
2010-05-04Introduce a limit on the depth of the macro instantiation backtraceDouglas Gregor
printed in a diagnostic, similar to the limit we already have on the depth of the template instantiation backtrace. The macro instantiation backtrace is limited to 10 "instantiated from:" diagnostics; when it's longer than that, we'll show the first half, then say how many were suppressed, then show the second half. The limit can be changed with -fmacro-instantiation-limit=N, and turned off with N=0. This eliminates a lot of note spew with libraries making use of the Boost.Preprocess library. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103014 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-20change FullSourceLoc to have a *const* SourceManager&, eliminatingChris Lattner
a const_cast. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101940 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-16Fix a bug in caret-line-pruning logic that only happens when we have aDouglas Gregor
source line wider than the terminal where the associated fix-it line is longer than the caret line. Previously, we would crash in this case, which was rather unfortunate. Fixes <rdar://problem/7856226>. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101426 91177308-0d34-0410-b5e6-96231b3b80d8
2010-04-12fix PR6814 - Only print [-pedantic] on a diagnostic if -pedantic Chris Lattner
actually turned it on. If a diag is produced by a warning which is an extension but defaults to on, and has no warning group, don't print any option info. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@101071 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Reinstate my CodeModificationHint -> FixItHint renaming patch, withoutDouglas Gregor
the C-only "optimization". git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100022 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Revert r100008, which inexplicably breaks the clang-i686-darwin10 builderDouglas Gregor
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100018 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-31Rename CodeModificationHint to FixItHint, since we've been using theDouglas Gregor
term "fix-it" everywhere and even *I* get tired of long names sometimes. No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@100008 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16Let SourceManager::getBufferData return StringRef instead of a pair of two ↵Benjamin Kramer
const char*. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98630 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-16Give SourceManager a Diagnostic object with which to report errors,Douglas Gregor
and start simplifying the interfaces in SourceManager that can fail. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98594 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-15Introduce a new BufferResult class to act as the return type ofDouglas Gregor
SourceManager's getBuffer() (and similar) operations. This abstract can be used to force callers to cope with errors in getBuffer(), such as missing files and changed files. Fix a bunch of callers to use the new interface. Add some very basic checks for file consistency (file size, modification time) into ContentCache::getBuffer(), although these checks don't help much until we've updated the main callers (e.g., SourceManager::getSpelling()). git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98585 91177308-0d34-0410-b5e6-96231b3b80d8
2010-03-13Use SmallString instead of SmallVectorKovarththanan Rajaratnam
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98436 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-25Add TextDiagnosticPrinter::setPrefix, for adding a string to prefix diagnosticDaniel Dunbar
messages with. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@97101 91177308-0d34-0410-b5e6-96231b3b80d8
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