2 * Copyright 2011 Sven Verdoolaege. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY SVEN VERDOOLAEGE ''AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SVEN VERDOOLAEGE OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
23 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * The views and conclusions contained in the software and documentation
29 * are those of the authors and should not be interpreted as
30 * representing official policies, either expressed or implied, of
34 #include "isl_config.h"
38 #ifdef HAVE_ADT_OWNINGPTR_H
39 #include <llvm/ADT/OwningPtr.h>
43 #include <llvm/Support/raw_ostream.h>
44 #include <llvm/Support/CommandLine.h>
45 #include <llvm/Support/Host.h>
46 #include <llvm/Support/ManagedStatic.h>
47 #include <clang/AST/ASTContext.h>
48 #include <clang/AST/ASTConsumer.h>
49 #include <clang/Basic/FileSystemOptions.h>
50 #include <clang/Basic/FileManager.h>
51 #include <clang/Basic/TargetOptions.h>
52 #include <clang/Basic/TargetInfo.h>
53 #include <clang/Basic/Version.h>
54 #include <clang/Driver/Compilation.h>
55 #include <clang/Driver/Driver.h>
56 #include <clang/Driver/Tool.h>
57 #include <clang/Frontend/CompilerInstance.h>
58 #include <clang/Frontend/CompilerInvocation.h>
59 #ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
60 #include <clang/Basic/DiagnosticOptions.h>
62 #include <clang/Frontend/DiagnosticOptions.h>
64 #include <clang/Frontend/TextDiagnosticPrinter.h>
65 #include <clang/Frontend/Utils.h>
66 #include <clang/Lex/HeaderSearch.h>
67 #include <clang/Lex/Preprocessor.h>
68 #include <clang/Parse/ParseAST.h>
69 #include <clang/Sema/Sema.h>
71 #include "extract_interface.h"
75 using namespace clang
;
76 using namespace clang::driver
;
78 #ifdef HAVE_ADT_OWNINGPTR_H
79 #define unique_ptr llvm::OwningPtr
82 static llvm::cl::opt
<string
> InputFilename(llvm::cl::Positional
,
83 llvm::cl::Required
, llvm::cl::desc("<input file>"));
84 static llvm::cl::list
<string
> Includes("I",
85 llvm::cl::desc("Header search path"),
86 llvm::cl::value_desc("path"), llvm::cl::Prefix
);
88 static const char *ResourceDir
=
89 CLANG_PREFIX
"/lib/clang/" CLANG_VERSION_STRING
;
91 /* Does decl have an attribute of the following form?
93 * __attribute__((annotate("name")))
95 bool has_annotation(Decl
*decl
, const char *name
)
97 if (!decl
->hasAttrs())
100 AttrVec attrs
= decl
->getAttrs();
101 for (AttrVec::const_iterator i
= attrs
.begin() ; i
!= attrs
.end(); ++i
) {
102 const AnnotateAttr
*ann
= dyn_cast
<AnnotateAttr
>(*i
);
105 if (ann
->getAnnotation().str() == name
)
112 /* Is decl marked as exported?
114 static bool is_exported(Decl
*decl
)
116 return has_annotation(decl
, "isl_export");
119 /* Collect all types and functions that are annotated "isl_export"
120 * in "types" and "function".
122 * We currently only consider single declarations.
124 struct MyASTConsumer
: public ASTConsumer
{
125 set
<RecordDecl
*> types
;
126 set
<FunctionDecl
*> functions
;
128 virtual HandleTopLevelDeclReturn
HandleTopLevelDecl(DeclGroupRef D
) {
131 if (!D
.isSingleDecl())
132 return HandleTopLevelDeclContinue
;
133 decl
= D
.getSingleDecl();
134 if (!is_exported(decl
))
135 return HandleTopLevelDeclContinue
;
136 switch (decl
->getKind()) {
138 types
.insert(cast
<RecordDecl
>(decl
));
141 functions
.insert(cast
<FunctionDecl
>(decl
));
146 return HandleTopLevelDeclContinue
;
152 #ifdef HAVE_CXXISPRODUCTION
153 static Driver
*construct_driver(const char *binary
, DiagnosticsEngine
&Diags
)
155 return new Driver(binary
, llvm::sys::getDefaultTargetTriple(),
156 "", false, false, Diags
);
158 #elif defined(HAVE_ISPRODUCTION)
159 static Driver
*construct_driver(const char *binary
, DiagnosticsEngine
&Diags
)
161 return new Driver(binary
, llvm::sys::getDefaultTargetTriple(),
164 #elif defined(DRIVER_CTOR_TAKES_DEFAULTIMAGENAME)
165 static Driver
*construct_driver(const char *binary
, DiagnosticsEngine
&Diags
)
167 return new Driver(binary
, llvm::sys::getDefaultTargetTriple(),
171 static Driver
*construct_driver(const char *binary
, DiagnosticsEngine
&Diags
)
173 return new Driver(binary
, llvm::sys::getDefaultTargetTriple(), Diags
);
177 namespace clang
{ namespace driver
{ class Job
; } }
179 /* Clang changed its API from 3.5 to 3.6 and once more in 3.7.
180 * We fix this with a simple overloaded function here.
183 static Job
*command(Job
*J
) { return J
; }
184 static Job
*command(Job
&J
) { return &J
; }
185 static Command
*command(Command
&C
) { return &C
; }
188 /* Create a CompilerInvocation object that stores the command line
189 * arguments constructed by the driver.
190 * The arguments are mainly useful for setting up the system include
191 * paths on newer clangs and on some platforms.
193 static CompilerInvocation
*construct_invocation(const char *filename
,
194 DiagnosticsEngine
&Diags
)
196 const char *binary
= CLANG_PREFIX
"/bin/clang";
197 const unique_ptr
<Driver
> driver(construct_driver(binary
, Diags
));
198 std::vector
<const char *> Argv
;
199 Argv
.push_back(binary
);
200 Argv
.push_back(filename
);
201 const unique_ptr
<Compilation
> compilation(
202 driver
->BuildCompilation(llvm::ArrayRef
<const char *>(Argv
)));
203 JobList
&Jobs
= compilation
->getJobs();
205 Command
*cmd
= cast
<Command
>(ClangAPI::command(*Jobs
.begin()));
206 if (strcmp(cmd
->getCreator().getName(), "clang"))
209 const ArgStringList
*args
= &cmd
->getArguments();
211 CompilerInvocation
*invocation
= new CompilerInvocation
;
212 CompilerInvocation::CreateFromArgs(*invocation
, args
->data() + 1,
213 args
->data() + args
->size(),
220 static CompilerInvocation
*construct_invocation(const char *filename
,
221 DiagnosticsEngine
&Diags
)
228 #ifdef HAVE_BASIC_DIAGNOSTICOPTIONS_H
230 static TextDiagnosticPrinter
*construct_printer(void)
232 return new TextDiagnosticPrinter(llvm::errs(), new DiagnosticOptions());
237 static TextDiagnosticPrinter
*construct_printer(void)
239 DiagnosticOptions DO
;
240 return new TextDiagnosticPrinter(llvm::errs(), DO
);
245 #ifdef CREATETARGETINFO_TAKES_SHARED_PTR
247 static TargetInfo
*create_target_info(CompilerInstance
*Clang
,
248 DiagnosticsEngine
&Diags
)
250 shared_ptr
<TargetOptions
> TO
= Clang
->getInvocation().TargetOpts
;
251 TO
->Triple
= llvm::sys::getDefaultTargetTriple();
252 return TargetInfo::CreateTargetInfo(Diags
, TO
);
255 #elif defined(CREATETARGETINFO_TAKES_POINTER)
257 static TargetInfo
*create_target_info(CompilerInstance
*Clang
,
258 DiagnosticsEngine
&Diags
)
260 TargetOptions
&TO
= Clang
->getTargetOpts();
261 TO
.Triple
= llvm::sys::getDefaultTargetTriple();
262 return TargetInfo::CreateTargetInfo(Diags
, &TO
);
267 static TargetInfo
*create_target_info(CompilerInstance
*Clang
,
268 DiagnosticsEngine
&Diags
)
270 TargetOptions
&TO
= Clang
->getTargetOpts();
271 TO
.Triple
= llvm::sys::getDefaultTargetTriple();
272 return TargetInfo::CreateTargetInfo(Diags
, TO
);
277 #ifdef CREATEDIAGNOSTICS_TAKES_ARG
279 static void create_diagnostics(CompilerInstance
*Clang
)
281 Clang
->createDiagnostics(0, NULL
, construct_printer());
286 static void create_diagnostics(CompilerInstance
*Clang
)
288 Clang
->createDiagnostics(construct_printer());
293 #ifdef CREATEPREPROCESSOR_TAKES_TUKIND
295 static void create_preprocessor(CompilerInstance
*Clang
)
297 Clang
->createPreprocessor(TU_Complete
);
302 static void create_preprocessor(CompilerInstance
*Clang
)
304 Clang
->createPreprocessor();
309 #ifdef ADDPATH_TAKES_4_ARGUMENTS
311 void add_path(HeaderSearchOptions
&HSO
, string Path
)
313 HSO
.AddPath(Path
, frontend::Angled
, false, false);
318 void add_path(HeaderSearchOptions
&HSO
, string Path
)
320 HSO
.AddPath(Path
, frontend::Angled
, true, false, false);
325 #ifdef HAVE_SETMAINFILEID
327 static void create_main_file_id(SourceManager
&SM
, const FileEntry
*file
)
329 SM
.setMainFileID(SM
.createFileID(file
, SourceLocation(),
335 static void create_main_file_id(SourceManager
&SM
, const FileEntry
*file
)
337 SM
.createMainFileID(file
);
342 int main(int argc
, char *argv
[])
344 llvm::cl::ParseCommandLineOptions(argc
, argv
);
346 CompilerInstance
*Clang
= new CompilerInstance();
347 create_diagnostics(Clang
);
348 DiagnosticsEngine
&Diags
= Clang
->getDiagnostics();
349 Diags
.setSuppressSystemWarnings(true);
350 CompilerInvocation
*invocation
=
351 construct_invocation(InputFilename
.c_str(), Diags
);
353 Clang
->setInvocation(invocation
);
354 Clang
->createFileManager();
355 Clang
->createSourceManager(Clang
->getFileManager());
356 TargetInfo
*target
= create_target_info(Clang
, Diags
);
357 Clang
->setTarget(target
);
358 CompilerInvocation::setLangDefaults(Clang
->getLangOpts(), IK_C
,
359 LangStandard::lang_unspecified
);
360 HeaderSearchOptions
&HSO
= Clang
->getHeaderSearchOpts();
361 LangOptions
&LO
= Clang
->getLangOpts();
362 PreprocessorOptions
&PO
= Clang
->getPreprocessorOpts();
363 HSO
.ResourceDir
= ResourceDir
;
365 for (int i
= 0; i
< Includes
.size(); ++i
)
366 add_path(HSO
, Includes
[i
]);
368 PO
.addMacroDef("__isl_give=__attribute__((annotate(\"isl_give\")))");
369 PO
.addMacroDef("__isl_keep=__attribute__((annotate(\"isl_keep\")))");
370 PO
.addMacroDef("__isl_take=__attribute__((annotate(\"isl_take\")))");
371 PO
.addMacroDef("__isl_export=__attribute__((annotate(\"isl_export\")))");
372 PO
.addMacroDef("__isl_constructor=__attribute__((annotate(\"isl_constructor\"))) __attribute__((annotate(\"isl_export\")))");
373 PO
.addMacroDef("__isl_subclass(super)=__attribute__((annotate(\"isl_subclass(\" #super \")\"))) __attribute__((annotate(\"isl_export\")))");
375 create_preprocessor(Clang
);
376 Preprocessor
&PP
= Clang
->getPreprocessor();
378 PP
.getBuiltinInfo().InitializeBuiltins(PP
.getIdentifierTable(), LO
);
380 const FileEntry
*file
= Clang
->getFileManager().getFile(InputFilename
);
382 create_main_file_id(Clang
->getSourceManager(), file
);
384 Clang
->createASTContext();
385 MyASTConsumer consumer
;
386 Sema
*sema
= new Sema(PP
, Clang
->getASTContext(), consumer
);
388 Diags
.getClient()->BeginSourceFile(LO
, &PP
);
390 Diags
.getClient()->EndSourceFile();
392 generate_python(consumer
.types
, consumer
.functions
);
396 llvm::llvm_shutdown();