1 //===- TableGen.cpp - Top-Level TableGen implementation for Clang ---------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file contains the main function for Clang's TableGen.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #include "TableGenBackends.h" // Declares all backends.
15 
16 #include "llvm/Support/CommandLine.h"
17 #include "llvm/Support/PrettyStackTrace.h"
18 #include "llvm/Support/Signals.h"
19 #include "llvm/TableGen/Error.h"
20 #include "llvm/TableGen/Main.h"
21 #include "llvm/TableGen/Record.h"
22 #include "llvm/TableGen/TableGenAction.h"
23 
24 using namespace llvm;
25 using namespace clang;
26 
27 enum ActionType {
28   GenClangAttrClasses,
29   GenClangAttrImpl,
30   GenClangAttrList,
31   GenClangAttrPCHRead,
32   GenClangAttrPCHWrite,
33   GenClangAttrSpellingList,
34   GenClangAttrLateParsedList,
35   GenClangAttrTemplateInstantiate,
36   GenClangAttrParsedAttrList,
37   GenClangAttrParsedAttrKinds,
38   GenClangDiagsDefs,
39   GenClangDiagGroups,
40   GenClangDiagsIndexName,
41   GenClangCommentNodes,
42   GenClangDeclNodes,
43   GenClangStmtNodes,
44   GenClangSACheckers,
45   GenOptParserDefs, GenOptParserImpl,
46   GenArmNeon,
47   GenArmNeonSema,
48   GenArmNeonTest
49 };
50 
51 namespace {
52   cl::opt<ActionType>
53   Action(cl::desc("Action to perform:"),
54          cl::values(clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
55                                "Generate option definitions"),
56                     clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
57                                "Generate option parser implementation"),
58                     clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
59                                "Generate clang attribute clases"),
60                     clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
61                                "Generate clang attribute implementations"),
62                     clEnumValN(GenClangAttrList, "gen-clang-attr-list",
63                                "Generate a clang attribute list"),
64                     clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
65                                "Generate clang PCH attribute reader"),
66                     clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
67                                "Generate clang PCH attribute writer"),
68                     clEnumValN(GenClangAttrSpellingList,
69                                "gen-clang-attr-spelling-list",
70                                "Generate a clang attribute spelling list"),
71                     clEnumValN(GenClangAttrLateParsedList,
72                                "gen-clang-attr-late-parsed-list",
73                                "Generate a clang attribute LateParsed list"),
74                     clEnumValN(GenClangAttrTemplateInstantiate,
75                                "gen-clang-attr-template-instantiate",
76                                "Generate a clang template instantiate code"),
77                     clEnumValN(GenClangAttrParsedAttrList,
78                                "gen-clang-attr-parsed-attr-list",
79                                "Generate a clang parsed attribute list"),
80                     clEnumValN(GenClangAttrParsedAttrKinds,
81                                "gen-clang-attr-parsed-attr-kinds",
82                                "Generate a clang parsed attribute kinds"),
83                     clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
84                                "Generate Clang diagnostics definitions"),
85                     clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
86                                "Generate Clang diagnostic groups"),
87                     clEnumValN(GenClangDiagsIndexName,
88                                "gen-clang-diags-index-name",
89                                "Generate Clang diagnostic name index"),
90                     clEnumValN(GenClangCommentNodes, "gen-clang-comment-nodes",
91                                "Generate Clang AST comment nodes"),
92                     clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
93                                "Generate Clang AST declaration nodes"),
94                     clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
95                                "Generate Clang AST statement nodes"),
96                     clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
97                                "Generate Clang Static Analyzer checkers"),
98                     clEnumValN(GenArmNeon, "gen-arm-neon",
99                                "Generate arm_neon.h for clang"),
100                     clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
101                                "Generate ARM NEON sema support for clang"),
102                     clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
103                                "Generate ARM NEON tests for clang"),
104                     clEnumValEnd));
105 
106   cl::opt<std::string>
107   ClangComponent("clang-component",
108                  cl::desc("Only use warnings from specified component"),
109                  cl::value_desc("component"), cl::Hidden);
110 
111 class ClangTableGenAction : public TableGenAction {
112 public:
113   bool operator()(raw_ostream &OS, RecordKeeper &Records) {
114     switch (Action) {
115     case GenClangAttrClasses:
116       EmitClangAttrClass(Records, OS);
117       break;
118     case GenClangAttrImpl:
119       EmitClangAttrImpl(Records, OS);
120       break;
121     case GenClangAttrList:
122       EmitClangAttrList(Records, OS);
123       break;
124     case GenClangAttrPCHRead:
125       EmitClangAttrPCHRead(Records, OS);
126       break;
127     case GenClangAttrPCHWrite:
128       EmitClangAttrPCHWrite(Records, OS);
129       break;
130     case GenClangAttrSpellingList:
131       EmitClangAttrSpellingList(Records, OS);
132       break;
133     case GenClangAttrLateParsedList:
134       EmitClangAttrLateParsedList(Records, OS);
135       break;
136     case GenClangAttrTemplateInstantiate:
137       EmitClangAttrTemplateInstantiate(Records, OS);
138       break;
139     case GenClangAttrParsedAttrList:
140       EmitClangAttrParsedAttrList(Records, OS);
141       break;
142     case GenClangAttrParsedAttrKinds:
143       EmitClangAttrParsedAttrKinds(Records, OS);
144       break;
145     case GenClangDiagsDefs:
146       EmitClangDiagsDefs(Records, OS, ClangComponent);
147       break;
148     case GenClangDiagGroups:
149       EmitClangDiagGroups(Records, OS);
150       break;
151     case GenClangDiagsIndexName:
152       EmitClangDiagsIndexName(Records, OS);
153       break;
154     case GenClangCommentNodes:
155       EmitClangASTNodes(Records, OS, "Comment", "");
156       break;
157     case GenClangDeclNodes:
158       EmitClangASTNodes(Records, OS, "Decl", "Decl");
159       EmitClangDeclContext(Records, OS);
160       break;
161     case GenClangStmtNodes:
162       EmitClangASTNodes(Records, OS, "Stmt", "");
163       break;
164     case GenClangSACheckers:
165       EmitClangSACheckers(Records, OS);
166       break;
167     case GenOptParserDefs:
168       EmitOptParser(Records, OS, true);
169       break;
170     case GenOptParserImpl:
171       EmitOptParser(Records, OS, false);
172       break;
173     case GenArmNeon:
174       EmitNeon(Records, OS);
175       break;
176     case GenArmNeonSema:
177       EmitNeonSema(Records, OS);
178       break;
179     case GenArmNeonTest:
180       EmitNeonTest(Records, OS);
181       break;
182     }
183 
184     return false;
185   }
186 };
187 }
188 
189 int main(int argc, char **argv) {
190   sys::PrintStackTraceOnErrorSignal();
191   PrettyStackTraceProgram X(argc, argv);
192   cl::ParseCommandLineOptions(argc, argv);
193 
194   ClangTableGenAction Action;
195   return TableGenMain(argv[0], Action);
196 }
197