blob: e5d34a32ccd5b45af9675e2e668e79181c7b13e8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
/*
* This file is part of the LibreOffice project.
*
* Based on LLVM/Clang.
*
* This file is distributed under the University of Illinois Open Source
* License. See LICENSE.TXT for details.
*
*/
#include "compileplugin.hxx"
#include <clang/AST/ASTConsumer.h>
#include <clang/AST/ASTContext.h>
#include <clang/Frontend/CompilerInstance.h>
#include <clang/Frontend/FrontendAction.h>
#include <clang/Frontend/FrontendPluginRegistry.h>
#include <clang/Rewrite/Rewriter.h>
#include "bodynotinblock.hxx"
#include "unusedvariablecheck.hxx"
using namespace clang;
namespace loplugin
{
Plugin::Plugin( ASTContext& context )
: context( context )
{
}
DiagnosticBuilder Plugin::report( DiagnosticsEngine::Level level, StringRef message, SourceLocation loc )
{
DiagnosticsEngine& diag = context.getDiagnostics();
#if 0
// Do some mappings (e.g. for -Werror) that clang does not do for custom messages for some reason.
if( level == DiagnosticsEngine::Warning && diag.getWarningsAsErrors())
level = DiagnosticsEngine::Error;
if( level == DiagnosticsEngine::Error && diag.getErrorsAsFatal())
level = DiagnosticsEngine::Fatal;
#endif
return diag.Report( loc, diag.getCustomDiagID( level, message ));
}
/**
Class that manages all LO modules.
*/
class PluginHandler
: public ASTConsumer
{
public:
explicit PluginHandler( ASTContext& context )
: rewriter( context.getSourceManager(), context.getLangOpts())
, bodyNotInBlock( context )
, unusedVariableCheck( context )
{
}
virtual void HandleTranslationUnit( ASTContext& context )
{
if( context.getDiagnostics().hasErrorOccurred())
return;
bodyNotInBlock.run();
unusedVariableCheck.run();
// TODO also LO header files? or a subdir?
if( const RewriteBuffer* buf = rewriter.getRewriteBufferFor( context.getSourceManager().getMainFileID()))
buf->write( llvm::outs());
// TODO else write out the original file?
}
private:
Rewriter rewriter;
BodyNotInBlock bodyNotInBlock;
UnusedVariableCheck unusedVariableCheck;
};
/**
The Clang plugin class, just forwards to PluginHandler.
*/
class LibreOfficeAction
: public PluginASTAction
{
public:
virtual ASTConsumer* CreateASTConsumer( CompilerInstance& Compiler, StringRef InFile )
{
return new PluginHandler( Compiler.getASTContext());
}
virtual bool ParseArgs( const CompilerInstance& CI, const std::vector< std::string >& args )
{
return true;
}
};
} // namespace
static FrontendPluginRegistry::Add< loplugin::LibreOfficeAction > X( "loplugin", "LibreOffice compile check plugin" );
|
