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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
|
//===--- 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/StaticAnalyzer/Frontend/FrontendActions.h"
#include "clang/ARCMigrate/ARCMTActions.h"
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/Driver/Options.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) {
case ASTDeclList: return new ASTDeclListAction();
case ASTDump: return new ASTDumpAction();
case ASTDumpXML: return new ASTDumpXMLAction();
case ASTPrint: return new ASTPrintAction();
case ASTView: return new ASTViewAction();
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 GenerateModule: return new GenerateModuleAction;
case GeneratePCH: return new GeneratePCHAction;
case GeneratePTH: return new GeneratePTHAction();
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) {
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: {
if (CI.getPreprocessorOutputOpts().RewriteIncludes)
return new RewriteIncludesAction();
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 MigrateSource: return new arcmt::MigrateSourceAction();
case RunPreprocessorOnly: return new PreprocessOnlyAction();
}
llvm_unreachable("Invalid program action!");
}
static FrontendAction *CreateFrontendAction(CompilerInstance &CI) {
// Create the underlying action.
FrontendAction *Act = CreateFrontendBaseAction(CI);
if (!Act)
return 0;
const FrontendOptions &FEOpts = CI.getFrontendOpts();
if (FEOpts.FixAndRecompile) {
Act = new FixItRecompile(Act);
}
// Potentially wrap the base FE action in an ARC Migrate Tool action.
switch (FEOpts.ARCMTAction) {
case FrontendOptions::ARCMT_None:
break;
case FrontendOptions::ARCMT_Check:
Act = new arcmt::CheckAction(Act);
break;
case FrontendOptions::ARCMT_Modify:
Act = new arcmt::ModifyAction(Act);
break;
case FrontendOptions::ARCMT_Migrate:
Act = new arcmt::MigrateAction(Act,
FEOpts.MTMigrateDir,
FEOpts.ARCMTMigrateReportOut,
FEOpts.ARCMTMigrateEmitARCErrors);
break;
}
if (FEOpts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
Act = new arcmt::ObjCMigrateAction(Act, FEOpts.MTMigrateDir,
FEOpts.ObjCMTAction & ~FrontendOptions::ObjCMT_Literals,
FEOpts.ObjCMTAction & ~FrontendOptions::ObjCMT_Subscripting);
}
// If there are any AST files to merge, create a frontend action
// adaptor to perform the merge.
if (!FEOpts.ASTMergeFiles.empty())
Act = new ASTMergeAction(Act, FEOpts.ASTMergeFiles);
return Act;
}
bool clang::ExecuteCompilerInvocation(CompilerInstance *Clang) {
// Honor -help.
if (Clang->getFrontendOpts().ShowHelp) {
OwningPtr<driver::OptTable> Opts(driver::createDriverOptTable());
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;
}
// 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;
}
// Honor -mllvm.
//
// FIXME: Remove this, one day.
// This should happen AFTER plugins have been loaded!
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, Args);
}
// Honor -analyzer-checker-help.
// This should happen AFTER plugins have been loaded!
if (Clang->getAnalyzerOpts().ShowCheckerHelp) {
ento::printCheckerHelp(llvm::outs(), Clang->getFrontendOpts().Plugins);
return 0;
}
// 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.
OwningPtr<FrontendAction> Act(CreateFrontendAction(*Clang));
if (Act) {
Success = Clang->ExecuteAction(*Act);
if (Clang->getFrontendOpts().DisableFree)
Act.take();
}
}
return Success;
}
|
