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buffer generated for the current translation unit. If they are
different, complain and then ignore the PCH file. This effectively
checks for all compilation options that somehow would affect
preprocessor state (-D, -U, -include, the dreaded -imacros, etc.).
When we do accept the PCH file, throw away the contents of the
predefines buffer rather than parsing them, since all of the results
of that parsing are already stored in the PCH file. This eliminates
the ugliness with the redefinition of __builtin_va_list, among other
things.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68838 91177308-0d34-0410-b5e6-96231b3b80d8
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fixme's, e.g. for tokens with identifiers) but does not actually install
them. Some details with the predefines buffer needs to be sorted out first.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68828 91177308-0d34-0410-b5e6-96231b3b80d8
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using the PCH file
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68824 91177308-0d34-0410-b5e6-96231b3b80d8
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file. When de-serializing LangOptions, we check that the
currently-provided language options are consistent with the options
used to compile the PCH file. If they are not, we emit a diagnostic
and ignore the PCH file.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68820 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68803 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68798 91177308-0d34-0410-b5e6-96231b3b80d8
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Note that we don't do anything useful with identifier infos yet
and don't emit the tokens that the macros are defined to.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68797 91177308-0d34-0410-b5e6-96231b3b80d8
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cleanup. Aside from a minor tweak to the PCH file format, no
functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68793 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68790 91177308-0d34-0410-b5e6-96231b3b80d8
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improvement, source locations read from the PCH file will properly
resolve to the source files that were used to build the PCH file
itself.
Once we have the preprocessor state stored in the PCH file, source
locations that refer to macro instantiations that occur in the PCH
file should have the appropriate instantiation information.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68758 91177308-0d34-0410-b5e6-96231b3b80d8
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de-serialization of abstract syntax trees.
PCH support serializes the contents of the abstract syntax tree (AST)
to a bitstream. When the PCH file is read, declarations are serialized
as-needed. For example, a declaration of a variable "x" will be
deserialized only when its VarDecl can be found by a client, e.g.,
based on name lookup for "x" or traversing the entire contents of the
owner of "x".
This commit provides the framework for serialization and (lazy)
deserialization, along with support for variable and typedef
declarations (along with several kinds of types). More
declarations/types, along with important auxiliary structures (source
manager, preprocessor, etc.), will follow.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68732 91177308-0d34-0410-b5e6-96231b3b80d8
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applies fix-its to error messages that occur at that specific location
in the program.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68342 91177308-0d34-0410-b5e6-96231b3b80d8
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scenes, using the underlying diagnostic client to format the
messages.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68324 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68268 91177308-0d34-0410-b5e6-96231b3b80d8
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CodeGenModule. Once there, add a new NoCommon option to
it and implement -fno-common.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67735 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67734 91177308-0d34-0410-b5e6-96231b3b80d8
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in the tree for a day or so longer.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67346 91177308-0d34-0410-b5e6-96231b3b80d8
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and cmake builds, and I have no clue what to do about it. Revisit this after someone with a clue about the build systems has looked at it.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67009 91177308-0d34-0410-b5e6-96231b3b80d8
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build.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67007 91177308-0d34-0410-b5e6-96231b3b80d8
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defaults to off. When enabled, it emits range info along
with the file/line/col information for a diagnostic. This
allows tools that textually parse the output of clang to know
where the ranges are, even if they span multiple lines. For
example, with:
$ clang exprs.c -fprint-source-range-info
We now produce:
exprs.c:21:11:{21:12-21:13}: warning: use of unary operator that may be intended as compound assignment (+=)
var =+ 5; // expected-warning {{use of unary operator that may be intended as compound assignment (+=)}}
^~
exprs.c:22:11:{22:12-22:13}: warning: use of unary operator that may be intended as compound assignment (-=)
var =- 5; // expected-warning {{use of unary operator that may be intended as compound assignment (-=)}}
^~
exprs.c:36:13:{36:3-36:12}: error: assignment to cast is illegal, lvalue casts are not supported
(float*)X = P; // expected-error {{assignment to cast is illegal, lvalue casts are not supported}}
~~~~~~~~~ ^
exprs.c:41:4:{41:3-41:4}: error: called object type 'int' is not a function or function pointer
X(); // expected-error {{called object type 'int' is not a function or function pointer}}
~^
exprs.c:45:15:{45:8-45:14}{45:17-45:24}: error: invalid operands to binary expression ('int *' and '_Complex float')
P = (P-42) + Gamma*4; // expected-error {{invalid operands to binary expression ('int *' and '_Complex float')}}
~~~~~~ ^ ~~~~~~~
exprs.c:61:7:{61:16-61:22}: error: invalid application of '__alignof' to bitfield
R = __alignof(P->x); // expected-error {{invalid application of '__alignof' to bitfield}} expected-warning {{extension used}}
^ ~~~~~~
Note the range info after the column in the initial diagnostic.
This is obviously really annoying if you're not a tool parsing the
output of clang, which is why it is off by default.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66862 91177308-0d34-0410-b5e6-96231b3b80d8
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- Notably, clang now exits with an error if it can't find a
file. This flushed out a bug in the CGColorSpace.c test case. :)
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66789 91177308-0d34-0410-b5e6-96231b3b80d8
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context of a template-id for which we need to instantiate default
template arguments.
In the TextDiagnosticPrinter, don't suppress the caret diagnostic if
we are producing a non-note diagnostic that follows a note diagnostic
with the same location, because notes are (conceptually) a part of the
warning or error that comes before them.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66572 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@66478 91177308-0d34-0410-b5e6-96231b3b80d8
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git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65853 91177308-0d34-0410-b5e6-96231b3b80d8
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driver taking lib/Driver.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@65811 91177308-0d34-0410-b5e6-96231b3b80d8
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