1 //===--- OpenMPKinds.cpp - Token Kinds Support ----------------------------===//
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 /// \file
10 /// \brief This file implements the OpenMP enum and support functions.
11 ///
12 //===----------------------------------------------------------------------===//
13 
14 #include "clang/Basic/OpenMPKinds.h"
15 #include "clang/Basic/IdentifierTable.h"
16 #include "llvm/ADT/StringRef.h"
17 #include "llvm/ADT/StringSwitch.h"
18 #include "llvm/Support/ErrorHandling.h"
19 #include <cassert>
20 
21 using namespace clang;
22 
23 OpenMPDirectiveKind clang::getOpenMPDirectiveKind(StringRef Str) {
24   return llvm::StringSwitch<OpenMPDirectiveKind>(Str)
25 #define OPENMP_DIRECTIVE(Name) \
26            .Case(#Name, OMPD_##Name)
27 #include "clang/Basic/OpenMPKinds.def"
28            .Default(OMPD_unknown);
29 }
30 
31 const char *clang::getOpenMPDirectiveName(OpenMPDirectiveKind Kind) {
32   assert(Kind < NUM_OPENMP_DIRECTIVES);
33   switch (Kind) {
34   case OMPD_unknown:
35     return "unknown";
36 #define OPENMP_DIRECTIVE(Name) \
37   case OMPD_##Name : return #Name;
38 #include "clang/Basic/OpenMPKinds.def"
39   case NUM_OPENMP_DIRECTIVES:
40     break;
41   }
42   llvm_unreachable("Invalid OpenMP directive kind");
43 }
44 
45 OpenMPClauseKind clang::getOpenMPClauseKind(StringRef Str) {
46   return llvm::StringSwitch<OpenMPClauseKind>(Str)
47 #define OPENMP_CLAUSE(Name, Class) \
48            .Case(#Name, OMPC_##Name)
49 #include "clang/Basic/OpenMPKinds.def"
50            .Default(OMPC_unknown);
51 }
52 
53 const char *clang::getOpenMPClauseName(OpenMPClauseKind Kind) {
54   assert(Kind < NUM_OPENMP_CLAUSES);
55   switch (Kind) {
56   case OMPC_unknown:
57     return "unknown";
58 #define OPENMP_CLAUSE(Name, Class) \
59   case OMPC_##Name : return #Name;
60 #include "clang/Basic/OpenMPKinds.def"
61   case OMPC_threadprivate:
62     return "threadprivate or thread local";
63   case NUM_OPENMP_CLAUSES:
64     break;
65   }
66   llvm_unreachable("Invalid OpenMP clause kind");
67 }
68 
69 unsigned clang::getOpenMPSimpleClauseType(OpenMPClauseKind Kind,
70                                           StringRef Str) {
71   switch (Kind) {
72   case OMPC_default:
73     return llvm::StringSwitch<OpenMPDefaultClauseKind>(Str)
74 #define OPENMP_DEFAULT_KIND(Name) \
75              .Case(#Name, OMPC_DEFAULT_##Name)
76 #include "clang/Basic/OpenMPKinds.def"
77              .Default(OMPC_DEFAULT_unknown);
78   case OMPC_unknown:
79   case OMPC_threadprivate:
80   case OMPC_if:
81   case OMPC_private:
82   case OMPC_firstprivate:
83   case OMPC_shared:
84   case NUM_OPENMP_CLAUSES:
85     break;
86   }
87   llvm_unreachable("Invalid OpenMP simple clause kind");
88 }
89 
90 const char *clang::getOpenMPSimpleClauseTypeName(OpenMPClauseKind Kind,
91                                                  unsigned Type) {
92   switch (Kind) {
93   case OMPC_default:
94     switch (Type) {
95     case OMPC_DEFAULT_unknown:
96       return "unknown";
97 #define OPENMP_DEFAULT_KIND(Name) \
98     case OMPC_DEFAULT_##Name : return #Name;
99 #include "clang/Basic/OpenMPKinds.def"
100     }
101     llvm_unreachable("Invalid OpenMP 'default' clause type");
102   case OMPC_unknown:
103   case OMPC_threadprivate:
104   case OMPC_if:
105   case OMPC_private:
106   case OMPC_firstprivate:
107   case OMPC_shared:
108   case NUM_OPENMP_CLAUSES:
109     break;
110   }
111   llvm_unreachable("Invalid OpenMP simple clause kind");
112 }
113 
114 bool clang::isAllowedClauseForDirective(OpenMPDirectiveKind DKind,
115                                         OpenMPClauseKind CKind) {
116   assert(DKind < NUM_OPENMP_DIRECTIVES);
117   assert(CKind < NUM_OPENMP_CLAUSES);
118   switch (DKind) {
119   case OMPD_parallel:
120     switch (CKind) {
121 #define OPENMP_PARALLEL_CLAUSE(Name) \
122     case OMPC_##Name: return true;
123 #include "clang/Basic/OpenMPKinds.def"
124     default:
125       break;
126     }
127     break;
128   case OMPD_unknown:
129   case OMPD_threadprivate:
130   case OMPD_task:
131   case NUM_OPENMP_DIRECTIVES:
132     break;
133   }
134   return false;
135 }
136