layout.  :)

Rename the 'EntoSA' directories to 'StaticAnalyzer'.

Internally we will still use the 'ento' namespace
for the analyzer engine (unless there are further
sabre rattlings...).

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update Makefile.

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the sequence of events; useful for testing.

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Currently, all AST consumers are located in the Frontend library,
meaning that in a shared library configuration, Frontend has a
dependency on Rewrite, Checker and CodeGen.  This is suboptimal for
clients which only wish to make use of the frontend.  CodeGen in
particular introduces a large number of unwanted dependencies.

This patch breaks the dependency by moving all AST consumers with
dependencies on Rewrite, Checker and/or CodeGen to their respective
libraries.  The patch therefore introduces dependencies in the other
direction (i.e. from Rewrite, Checker and CodeGen to Frontend).

After applying this patch, Clang builds correctly using CMake and
shared libraries ("cmake -DBUILD_SHARED_LIBS=ON").

N.B. This patch includes file renames which are indicated in the
patch body.

Changes in this revision of the patch:
 - Fixed some copy-paste mistakes in the header files
 - Modified certain aspects of the coding to comply with the LLVM
   Coding Standards

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migrate work in the destructors of PathDiagnosticClients from their
destructors to FlushReports().  The destructors now currently call
FlushReports(); this will be fixed in a subsequent patch.


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object that it can use to forward PathDiagnostics for further processing. Along
with this feature, the PlistDiagnostics object logs which files are created by
the forwarding of the PathDiagnostics.

(2) Create a new PathDiagnosticClientFactory object for HTMLDiagnostics,
allowing other PathDiagnosticClients to forward PathDiagnostics through an
opaque interface.

(3) Create a "plist-html" diagnostics option in AnalysisConsumer to allow the
    logging of HTML files created in a hybrid Plist+HTML diagnostic client.


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driver taking lib/Driver.


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Fix Plist output.


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clang.cpp: InitializePreprocessor now makes a copy of the contents of PredefinesBuffer and
  passes it to the preprocessor object.
  
clang.cpp: DriverPreprocessorFactory now calls "InitializePreprocessor" instead of this being done in main().

html::HighlightMacros() now takes a PreprocessorFactory, allowing it to conjure up a new
Preprocessor to highlight macros.

class HTMLDiagnostics now takes a PreprocessorFactory* that it can use for html::HighlightMacros().
Updated clients of HTMLDiagnostics to use this new interface.


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currently doesn't pass in the Preprocessor from the driver, so we don't get
syntax highlighting when we create HTMLDiagnostics in that way.


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so that all diagnostics can be piped to HTML files instead of as text diagnostics using --html-diags.


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discussion of this change.



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warnings that some compilers diagnose


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be passed as an (optional) argument to StmtPrinter to customize
printing of AST nodes.

Used new PrinterHelper interface to enhance printing and visualization
of CFGs.  The CFGs now illustrate the semantic connectives between
statements and terminators, wheras in the previous printing certain
expressions would (visible) be printed multiple times to reflect which
expressions used the results of other expressions.

The end result is that the CFG is easier to read for flow of
expression values (following principles similar to the LLVM IR).


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