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 #include "llvm/Support/CommandLine.h"
16 #include "llvm/Support/PrettyStackTrace.h"
17 #include "llvm/Support/Signals.h"
18 #include "llvm/TableGen/Error.h"
19 #include "llvm/TableGen/Main.h"
20 #include "llvm/TableGen/Record.h"
21 
22 using namespace llvm;
23 using namespace clang;
24 
25 enum ActionType {
26   GenClangAttrClasses,
27   GenClangAttrImpl,
28   GenClangAttrList,
29   GenClangAttrPCHRead,
30   GenClangAttrPCHWrite,
31   GenClangAttrSpellingList,
32   GenClangAttrLateParsedList,
33   GenClangAttrTemplateInstantiate,
34   GenClangAttrParsedAttrList,
35   GenClangAttrParsedAttrKinds,
36   GenClangDiagsDefs,
37   GenClangDiagGroups,
38   GenClangDiagsIndexName,
39   GenClangCommentNodes,
40   GenClangDeclNodes,
41   GenClangStmtNodes,
42   GenClangSACheckers,
43   GenClangCommentHTMLTags,
44   GenClangCommentHTMLTagsProperties,
45   GenClangCommentCommandInfo,
46   GenOptParserDefs, GenOptParserImpl,
47   GenArmNeon,
48   GenArmNeonSema,
49   GenArmNeonTest
50 };
51 
52 namespace {
53   cl::opt<ActionType>
54   Action(cl::desc("Action to perform:"),
55          cl::values(clEnumValN(GenOptParserDefs, "gen-opt-parser-defs",
56                                "Generate option definitions"),
57                     clEnumValN(GenOptParserImpl, "gen-opt-parser-impl",
58                                "Generate option parser implementation"),
59                     clEnumValN(GenClangAttrClasses, "gen-clang-attr-classes",
60                                "Generate clang attribute clases"),
61                     clEnumValN(GenClangAttrImpl, "gen-clang-attr-impl",
62                                "Generate clang attribute implementations"),
63                     clEnumValN(GenClangAttrList, "gen-clang-attr-list",
64                                "Generate a clang attribute list"),
65                     clEnumValN(GenClangAttrPCHRead, "gen-clang-attr-pch-read",
66                                "Generate clang PCH attribute reader"),
67                     clEnumValN(GenClangAttrPCHWrite, "gen-clang-attr-pch-write",
68                                "Generate clang PCH attribute writer"),
69                     clEnumValN(GenClangAttrSpellingList,
70                                "gen-clang-attr-spelling-list",
71                                "Generate a clang attribute spelling list"),
72                     clEnumValN(GenClangAttrLateParsedList,
73                                "gen-clang-attr-late-parsed-list",
74                                "Generate a clang attribute LateParsed list"),
75                     clEnumValN(GenClangAttrTemplateInstantiate,
76                                "gen-clang-attr-template-instantiate",
77                                "Generate a clang template instantiate code"),
78                     clEnumValN(GenClangAttrParsedAttrList,
79                                "gen-clang-attr-parsed-attr-list",
80                                "Generate a clang parsed attribute list"),
81                     clEnumValN(GenClangAttrParsedAttrKinds,
82                                "gen-clang-attr-parsed-attr-kinds",
83                                "Generate a clang parsed attribute kinds"),
84                     clEnumValN(GenClangDiagsDefs, "gen-clang-diags-defs",
85                                "Generate Clang diagnostics definitions"),
86                     clEnumValN(GenClangDiagGroups, "gen-clang-diag-groups",
87                                "Generate Clang diagnostic groups"),
88                     clEnumValN(GenClangDiagsIndexName,
89                                "gen-clang-diags-index-name",
90                                "Generate Clang diagnostic name index"),
91                     clEnumValN(GenClangCommentNodes, "gen-clang-comment-nodes",
92                                "Generate Clang AST comment nodes"),
93                     clEnumValN(GenClangDeclNodes, "gen-clang-decl-nodes",
94                                "Generate Clang AST declaration nodes"),
95                     clEnumValN(GenClangStmtNodes, "gen-clang-stmt-nodes",
96                                "Generate Clang AST statement nodes"),
97                     clEnumValN(GenClangSACheckers, "gen-clang-sa-checkers",
98                                "Generate Clang Static Analyzer checkers"),
99                     clEnumValN(GenClangCommentHTMLTags,
100                                "gen-clang-comment-html-tags",
101                                "Generate efficient matchers for HTML tag "
102                                "names that are used in documentation comments"),
103                     clEnumValN(GenClangCommentHTMLTagsProperties,
104                                "gen-clang-comment-html-tags-properties",
105                                "Generate efficient matchers for HTML tag "
106                                "properties"),
107                     clEnumValN(GenClangCommentCommandInfo,
108                                "gen-clang-comment-command-info",
109                                "Generate list of commands that are used in "
110                                "documentation comments"),
111                     clEnumValN(GenArmNeon, "gen-arm-neon",
112                                "Generate arm_neon.h for clang"),
113                     clEnumValN(GenArmNeonSema, "gen-arm-neon-sema",
114                                "Generate ARM NEON sema support for clang"),
115                     clEnumValN(GenArmNeonTest, "gen-arm-neon-test",
116                                "Generate ARM NEON tests for clang"),
117                     clEnumValEnd));
118 
119   cl::opt<std::string>
120   ClangComponent("clang-component",
121                  cl::desc("Only use warnings from specified component"),
122                  cl::value_desc("component"), cl::Hidden);
123 
124 bool ClangTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
125   switch (Action) {
126   case GenClangAttrClasses:
127     EmitClangAttrClass(Records, OS);
128     break;
129   case GenClangAttrImpl:
130     EmitClangAttrImpl(Records, OS);
131     break;
132   case GenClangAttrList:
133     EmitClangAttrList(Records, OS);
134     break;
135   case GenClangAttrPCHRead:
136     EmitClangAttrPCHRead(Records, OS);
137     break;
138   case GenClangAttrPCHWrite:
139     EmitClangAttrPCHWrite(Records, OS);
140     break;
141   case GenClangAttrSpellingList:
142     EmitClangAttrSpellingList(Records, OS);
143     break;
144   case GenClangAttrLateParsedList:
145     EmitClangAttrLateParsedList(Records, OS);
146     break;
147   case GenClangAttrTemplateInstantiate:
148     EmitClangAttrTemplateInstantiate(Records, OS);
149     break;
150   case GenClangAttrParsedAttrList:
151     EmitClangAttrParsedAttrList(Records, OS);
152     break;
153   case GenClangAttrParsedAttrKinds:
154     EmitClangAttrParsedAttrKinds(Records, OS);
155     break;
156   case GenClangDiagsDefs:
157     EmitClangDiagsDefs(Records, OS, ClangComponent);
158     break;
159   case GenClangDiagGroups:
160     EmitClangDiagGroups(Records, OS);
161     break;
162   case GenClangDiagsIndexName:
163     EmitClangDiagsIndexName(Records, OS);
164     break;
165   case GenClangCommentNodes:
166     EmitClangASTNodes(Records, OS, "Comment", "");
167     break;
168   case GenClangDeclNodes:
169     EmitClangASTNodes(Records, OS, "Decl", "Decl");
170     EmitClangDeclContext(Records, OS);
171     break;
172   case GenClangStmtNodes:
173     EmitClangASTNodes(Records, OS, "Stmt", "");
174     break;
175   case GenClangSACheckers:
176     EmitClangSACheckers(Records, OS);
177     break;
178   case GenClangCommentHTMLTags:
179     EmitClangCommentHTMLTags(Records, OS);
180     break;
181   case GenClangCommentHTMLTagsProperties:
182     EmitClangCommentHTMLTagsProperties(Records, OS);
183     break;
184   case GenClangCommentCommandInfo:
185     EmitClangCommentCommandInfo(Records, OS);
186     break;
187   case GenOptParserDefs:
188     EmitOptParser(Records, OS, true);
189     break;
190   case GenOptParserImpl:
191     EmitOptParser(Records, OS, false);
192     break;
193   case GenArmNeon:
194     EmitNeon(Records, OS);
195     break;
196   case GenArmNeonSema:
197     EmitNeonSema(Records, OS);
198     break;
199   case GenArmNeonTest:
200     EmitNeonTest(Records, OS);
201     break;
202   }
203 
204   return false;
205 }
206 }
207 
208 int main(int argc, char **argv) {
209   sys::PrintStackTraceOnErrorSignal();
210   PrettyStackTraceProgram X(argc, argv);
211   cl::ParseCommandLineOptions(argc, argv);
212 
213   return TableGenMain(argv[0], &ClangTableGenMain);
214 }
215