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DeclPrinter: add terse output mode and lots of tests 

Add a flag PrintingPolicy::DontRecurseInDeclContext to provide "terse" output
from DeclPrinter.  The motivation is to use DeclPrinter to print declarations
in user-friendly format, without overwhelming user with inner detail of the
declaration being printed.

Also add many tests for DeclPrinter.  There are quite a few things that we
print incorrectly: search for WRONG in DeclPrinterTest.cpp -- and these tests
check our output against incorrect output, so that we can fix/refactor/rewrite
the DeclPrinter later.

llvm-svn: 162245
This commit is contained in:
Dmitri Gribenko 2012-08-20 23:39:06 +00:00
parent d8561f058d
commit 309856ae9f
5 changed files with 1214 additions and 4 deletions
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5
clang/include/clang/AST/PrettyPrinter.h
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@ -39,7 +39,7 @@ struct PrintingPolicy {
SuppressUnwrittenScope(false), SuppressInitializers(false),
ConstantArraySizeAsWritten(false), AnonymousTagLocations(true),
SuppressStrongLifetime(false), Bool(LO.Bool),
DumpSourceManager(0) { }
DontRecurseInDeclContext(false), DumpSourceManager(0) { }
/// \brief What language we're printing.
LangOptions LangOpts;
@ -134,6 +134,9 @@ struct PrintingPolicy {
/// doesn't actually have 'bool' (because, e.g., it is defined as a macro).
unsigned Bool : 1;
/// Don't print contents of DeclContexts. Used to provide a 'terse' output.
unsigned DontRecurseInDeclContext : 1;
/// \brief If we are "dumping" rather than "pretty-printing", this points to
/// a SourceManager which will be used to dump SourceLocations. Dumping
/// involves printing the internal details of the AST and pretty-printing

3
clang/lib/AST/DeclPrinter.cpp
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@ -220,6 +220,9 @@ void DeclPrinter::Print(AccessSpecifier AS) {
//----------------------------------------------------------------------------
void DeclPrinter::VisitDeclContext(DeclContext *DC, bool Indent) {
if (Policy.DontRecurseInDeclContext)
return;
if (Indent)
Indentation += Policy.Indentation;

3
clang/unittests/AST/CMakeLists.txt
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@ -1,8 +1,9 @@
add_clang_unittest(ASTTests
CommentLexer.cpp
CommentParser.cpp
DeclPrinterTest.cpp
)
target_link_libraries(ASTTests
clangAST
clangAST clangASTMatchers clangTooling
)

1200
clang/unittests/AST/DeclPrinterTest.cpp Normal file
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File diff suppressed because it is too large Load Diff

7
clang/unittests/AST/Makefile
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@ -9,7 +9,10 @@
CLANG_LEVEL = ../..
TESTNAME = AST
LINK_COMPONENTS := support mc
USEDLIBS = clangAST.a clangLex.a clangBasic.a
include $(CLANG_LEVEL)/../../Makefile.config
LINK_COMPONENTS := $(TARGETS_TO_BUILD) asmparser support mc
USEDLIBS = clangTooling.a clangFrontend.a clangSerialization.a clangDriver.a \
clangRewrite.a clangParse.a clangSema.a clangAnalysis.a \
clangAST.a clangASTMatchers.a clangLex.a clangBasic.a clangEdit.a
include $(CLANG_LEVEL)/unittests/Makefile