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Allow to pass additional options into generator's clang::tooling

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In my macOS build, that clang::tooling::runToolOnCodeWithArgs invocation failed
to find headers like cassert and assert.h, which works now with

  COMPILER_PLUGINS_TOOLING_ARGS=-isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -isystem /Users/stephan/Software/llvm/inst/include/c++/v1

added to my autogen.input (I build against my Clang trunk libc++ whose headers
are at /Users/stephan/Software/llvm/inst/include/c++/v1).

Change-Id: Idbffa39c9fd4a88743fd498b8f7b6c9c56d7630d
Reviewed-on: https://gerrit.libreoffice.org/69538
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
This commit is contained in:
Stephan Bergmann 2019-03-21 19:33:34 +01:00
parent cb54bb8949
commit ad7e2af4ed
4 changed files with 25 additions and 7 deletions
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4
compilerplugins/Makefile-clang.mk
View File

@ -175,7 +175,9 @@ ifdef LO_CLANG_SHARED_PLUGINS
$(CLANGINDIR)/sharedvisitor/sharedvisitor.cxx: $(shell grep -l "LO_CLANG_SHARED_PLUGINS" $(CLANGINDIR)/*.cxx)
$(CLANGINDIR)/sharedvisitor/sharedvisitor.cxx: $(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT)
$(call gb_Output_announce,$(subst $(SRCDIR)/,,$@),$(true),GEN,1)
$(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT) $(shell grep -l "LO_CLANG_SHARED_PLUGINS" $(CLANGINDIR)/*.cxx) \
$(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT) \
$(COMPILER_PLUGINS_TOOLING_ARGS:%=-arg=%) \
$(shell grep -l "LO_CLANG_SHARED_PLUGINS" $(CLANGINDIR)/*.cxx) \
> $(CLANGINDIR)/sharedvisitor/sharedvisitor.cxx
CLANGTOOLLIBS = -lclangTooling -lclangDriver -lclangFrontend -lclangParse -lclangSema -lclangEdit -lclangAnalysis \

26
compilerplugins/clang/sharedvisitor/generator.cxx
View File

@ -56,6 +56,8 @@ TODO:
#include "clang/Frontend/FrontendAction.h"
#include "clang/Tooling/Tooling.h"
#include <cstddef>
#include <cstring>
#include <iostream>
#include <fstream>
#include <set>
@ -534,14 +536,21 @@ string readSourceFile( const char* filename )
int main(int argc, char** argv)
{
for( int i = 1; i < argc; ++ i )
vector< string > args;
int i = 1;
for( ; i < argc; ++ i )
{
string contents = readSourceFile(argv[i]);
if( contents.empty())
continue;
constexpr std::size_t prefixlen = 5; // strlen("-arg=");
if (std::strncmp(argv[i], "-arg=", prefixlen) != 0)
{
break;
}
args.push_back(argv[i] + prefixlen);
}
#define STRINGIFY2(a) #a
#define STRINGIFY(a) STRINGIFY2(a)
vector< string > args =
args.insert(
args.end(),
{
"-I" STRINGIFY(BUILDDIR) "/config_host", // plugin sources use e.g. config_global.h
"-I" STRINGIFY(CLANGDIR) "/include", // clang's headers
@ -550,7 +559,12 @@ int main(int argc, char** argv)
"-D__STDC_CONSTANT_MACROS", // Clang headers require these.
"-D__STDC_FORMAT_MACROS",
"-D__STDC_LIMIT_MACROS",
};
});
for( ; i < argc; ++ i )
{
string contents = readSourceFile(argv[i]);
if( contents.empty())
continue;
foundSomething = false;
if( !clang::tooling::runToolOnCodeWithArgs( new FindNamedClassAction, contents, args, argv[ i ] ))
{

1
config_host.mk.in
View File

@ -75,6 +75,7 @@ export COMPILER_PLUGINS=@COMPILER_PLUGINS@
export COMPILER_PLUGINS_CXX=@COMPILER_PLUGINS_CXX@
export COMPILER_PLUGINS_CXX_LINKFLAGS=@COMPILER_PLUGINS_CXX_LINKFLAGS@
export COMPILER_PLUGINS_DEBUG=@COMPILER_PLUGINS_DEBUG@
export COMPILER_PLUGINS_TOOLING_ARGS=@COMPILER_PLUGINS_TOOLING_ARGS@
export COM_IS_CLANG=@COM_IS_CLANG@
export CPPUNIT_CFLAGS=$(gb_SPACE)@CPPUNIT_CFLAGS@
export CPPUNIT_LIBS=$(gb_SPACE)@CPPUNIT_LIBS@

1
configure.ac
View File

@ -6917,6 +6917,7 @@ AC_SUBST(COMPILER_PLUGINS)
AC_SUBST(COMPILER_PLUGINS_CXX)
AC_SUBST(COMPILER_PLUGINS_CXX_LINKFLAGS)
AC_SUBST(COMPILER_PLUGINS_DEBUG)
AC_SUBST(COMPILER_PLUGINS_TOOLING_ARGS)
AC_SUBST(CLANGDIR)
AC_SUBST(CLANGLIBDIR)