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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
//===--- ExecuteCompilerInvocation.cpp ------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file holds ExecuteCompilerInvocation(). It is split into its own file to
// minimize the impact of pulling in essentially everything else in Clang.
//
//===----------------------------------------------------------------------===//
#include "clang/FrontendTool/Utils.h"
#include "clang/EntoSA/FrontendActions.h"
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/Driver/CC1Options.h"
#include "clang/Driver/OptTable.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendActions.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/FrontendPluginRegistry.h"
#include "clang/Rewrite/FrontendActions.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/DynamicLibrary.h"
using namespace clang;
static FrontendAction *CreateFrontendBaseAction(CompilerInstance &CI) {
using namespace clang::frontend;
switch (CI.getFrontendOpts().ProgramAction) {
default:
llvm_unreachable("Invalid program action!");
case ASTDump: return new ASTDumpAction();
case ASTDumpXML: return new ASTDumpXMLAction();
case ASTPrint: return new ASTPrintAction();
case ASTPrintXML: return new ASTPrintXMLAction();
case ASTView: return new ASTViewAction();
case BoostCon: return new BoostConAction();
case CreateModule: return 0;
case DumpRawTokens: return new DumpRawTokensAction();
case DumpTokens: return new DumpTokensAction();
case EmitAssembly: return new EmitAssemblyAction();
case EmitBC: return new EmitBCAction();
case EmitHTML: return new HTMLPrintAction();
case EmitLLVM: return new EmitLLVMAction();
case EmitLLVMOnly: return new EmitLLVMOnlyAction();
case EmitCodeGenOnly: return new EmitCodeGenOnlyAction();
case EmitObj: return new EmitObjAction();
case FixIt: return new FixItAction();
case GeneratePCH: return new GeneratePCHAction();
case GeneratePTH: return new GeneratePTHAction();
case InheritanceView: return new InheritanceViewAction();
case InitOnly: return new InitOnlyAction();
case ParseSyntaxOnly: return new SyntaxOnlyAction();
case PluginAction: {
for (FrontendPluginRegistry::iterator it =
FrontendPluginRegistry::begin(), ie = FrontendPluginRegistry::end();
it != ie; ++it) {
if (it->getName() == CI.getFrontendOpts().ActionName) {
llvm::OwningPtr<PluginASTAction> P(it->instantiate());
if (!P->ParseArgs(CI, CI.getFrontendOpts().PluginArgs))
return 0;
return P.take();
}
}
CI.getDiagnostics().Report(diag::err_fe_invalid_plugin_name)
<< CI.getFrontendOpts().ActionName;
return 0;
}
case PrintDeclContext: return new DeclContextPrintAction();
case PrintPreamble: return new PrintPreambleAction();
case PrintPreprocessedInput: return new PrintPreprocessedAction();
case RewriteMacros: return new RewriteMacrosAction();
case RewriteObjC: return new RewriteObjCAction();
case RewriteTest: return new RewriteTestAction();
case RunAnalysis: return new ento::AnalysisAction();
case RunPreprocessorOnly: return new PreprocessOnlyAction();
}
}
static FrontendAction *CreateFrontendAction(CompilerInstance &CI) {
// Create the underlying action.
FrontendAction *Act = CreateFrontendBaseAction(CI);
if (!Act)
return 0;
// If there are any AST files to merge, create a frontend action
// adaptor to perform the merge.
if (!CI.getFrontendOpts().ASTMergeFiles.empty())
Act = new ASTMergeAction(Act, &CI.getFrontendOpts().ASTMergeFiles[0],
CI.getFrontendOpts().ASTMergeFiles.size());
return Act;
}
bool clang::ExecuteCompilerInvocation(CompilerInstance *Clang) {
// Honor -help.
if (Clang->getFrontendOpts().ShowHelp) {
llvm::OwningPtr<driver::OptTable> Opts(driver::createCC1OptTable());
Opts->PrintHelp(llvm::outs(), "clang -cc1",
"LLVM 'Clang' Compiler: http://clang.llvm.org");
return 0;
}
// Honor -version.
//
// FIXME: Use a better -version message?
if (Clang->getFrontendOpts().ShowVersion) {
llvm::cl::PrintVersionMessage();
return 0;
}
// Honor -mllvm.
//
// FIXME: Remove this, one day.
if (!Clang->getFrontendOpts().LLVMArgs.empty()) {
unsigned NumArgs = Clang->getFrontendOpts().LLVMArgs.size();
const char **Args = new const char*[NumArgs + 2];
Args[0] = "clang (LLVM option parsing)";
for (unsigned i = 0; i != NumArgs; ++i)
Args[i + 1] = Clang->getFrontendOpts().LLVMArgs[i].c_str();
Args[NumArgs + 1] = 0;
llvm::cl::ParseCommandLineOptions(NumArgs + 1, const_cast<char **>(Args));
}
// Load any requested plugins.
for (unsigned i = 0,
e = Clang->getFrontendOpts().Plugins.size(); i != e; ++i) {
const std::string &Path = Clang->getFrontendOpts().Plugins[i];
std::string Error;
if (llvm::sys::DynamicLibrary::LoadLibraryPermanently(Path.c_str(), &Error))
Clang->getDiagnostics().Report(diag::err_fe_unable_to_load_plugin)
<< Path << Error;
}
// If there were errors in processing arguments, don't do anything else.
bool Success = false;
if (!Clang->getDiagnostics().hasErrorOccurred()) {
// Create and execute the frontend action.
llvm::OwningPtr<FrontendAction> Act(CreateFrontendAction(*Clang));
if (Act) {
Success = Clang->ExecuteAction(*Act);
if (Clang->getFrontendOpts().DisableFree)
Act.take();
}
}
return Success;
}
|
