1 // Copyright (C) 2016 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package clang 16 17 import ( 18 "path/filepath" 19 "strings" 20 21 "android/soong/android" 22 "android/soong/genrule" 23 24 "github.com/google/blueprint" 25 ) 26 27 func init() { 28 android.RegisterModuleType("clang_tblgen", clangTblgenFactory) 29 } 30 31 var ( 32 pctx = android.NewPackageContext("android/soong/clang") 33 34 clangTblgen = pctx.HostBinToolVariable("clangTblgen", "clang-tblgen") 35 36 tblgenRule = pctx.StaticRule("tblgenRule", blueprint.RuleParams{ 37 Depfile: "${out}.d", 38 Deps: blueprint.DepsGCC, 39 Command: "${clangTblgen} ${includes} ${generator} -d ${depfile} -o ${out} ${in}", 40 CommandDeps: []string{"${clangTblgen}"}, 41 Description: "Clang TableGen $in => $out", 42 }, "includes", "depfile", "generator") 43 ) 44 45 type tblgenProperties struct { 46 In string 47 Outs []string 48 } 49 50 type tblgen struct { 51 android.ModuleBase 52 53 properties tblgenProperties 54 55 exportedHeaderDirs android.Paths 56 generatedHeaders android.Paths 57 } 58 59 var _ genrule.SourceFileGenerator = (*tblgen)(nil) 60 61 func (t *tblgen) GenerateAndroidBuildActions(ctx android.ModuleContext) { 62 in := android.PathForModuleSrc(ctx, t.properties.In) 63 64 includes := []string{ 65 "-I " + ctx.ModuleDir(), 66 "-I external/llvm/include", 67 "-I external/llvm/lib/Target", 68 "-I external/clang/include", 69 "-I " + filepath.Dir(in.String()), 70 } 71 72 for _, o := range t.properties.Outs { 73 out := android.PathForModuleGen(ctx, o) 74 generator := outToGenerator(ctx, o) 75 76 ctx.ModuleBuild(pctx, android.ModuleBuildParams{ 77 Rule: tblgenRule, 78 Input: in, 79 Output: out, 80 Args: map[string]string{ 81 "includes": strings.Join(includes, " "), 82 "generator": generator, 83 }, 84 }) 85 t.generatedHeaders = append(t.generatedHeaders, out) 86 } 87 88 t.exportedHeaderDirs = append(t.exportedHeaderDirs, android.PathForModuleGen(ctx, "")) 89 } 90 91 func outToGenerator(ctx android.ModuleContext, out string) string { 92 out = filepath.Base(out) 93 switch { 94 case out == "AttrDump.inc": 95 return "-gen-clang-attr-dump" 96 case out == "AttrImpl.inc": 97 return "-gen-clang-attr-impl" 98 case out == "AttrHasAttributeImpl.inc": 99 return "-gen-clang-attr-has-attribute-impl" 100 case out == "AttrList.inc": 101 return "-gen-clang-attr-list" 102 case out == "AttrSpellingListIndex.inc": 103 return "-gen-clang-attr-spelling-index" 104 case out == "AttrPCHRead.inc": 105 return "-gen-clang-attr-pch-read" 106 case out == "AttrPCHWrite.inc": 107 return "-gen-clang-attr-pch-write" 108 case out == "Attrs.inc": 109 return "-gen-clang-attr-classes" 110 case out == "AttrParserStringSwitches.inc": 111 return "-gen-clang-attr-parser-string-switches" 112 case out == "AttrVisitor.inc": 113 return "-gen-clang-attr-ast-visitor" 114 case out == "AttrParsedAttrKinds.inc": 115 return "-gen-clang-attr-parsed-attr-kinds" 116 case out == "AttrParsedAttrImpl.inc": 117 return "-gen-clang-attr-parsed-attr-impl" 118 case out == "AttrParsedAttrList.inc": 119 return "-gen-clang-attr-parsed-attr-list" 120 case out == "AttrTemplateInstantiate.inc": 121 return "-gen-clang-attr-template-instantiate" 122 case out == "Checkers.inc": 123 return "-gen-clang-sa-checkers" 124 case out == "CommentCommandInfo.inc": 125 return "-gen-clang-comment-command-info" 126 case out == "CommentCommandList.inc": 127 return "-gen-clang-comment-command-list" 128 case out == "CommentHTMLNamedCharacterReferences.inc": 129 return "-gen-clang-comment-html-named-character-references" 130 case out == "CommentHTMLTagsProperties.inc": 131 return "-gen-clang-comment-html-tags-properties" 132 case out == "CommentHTMLTags.inc": 133 return "-gen-clang-comment-html-tags" 134 case out == "CommentNodes.inc": 135 return "-gen-clang-comment-nodes" 136 case strings.HasPrefix(out, "Diagnostic") && strings.HasSuffix(out, "Kinds.inc"): 137 component := strings.TrimPrefix(strings.TrimSuffix(out, "Kinds.inc"), "Diagnostic") 138 return "-gen-clang-diags-defs -clang-component=" + component 139 case out == "DiagnosticGroups.inc": 140 return "-gen-clang-diag-groups" 141 case out == "DiagnosticIndexName.inc": 142 return "-gen-clang-diag-groups" 143 case out == "DeclNodes.inc": 144 return "-gen-clang-decl-nodes" 145 case out == "StmtNodes.inc": 146 return "-gen-clang-stmt-nodes" 147 case out == "arm_neon.inc": 148 return "-gen-arm-neon-sema" 149 case out == "arm_neon.h": 150 return "-gen-arm-neon" 151 } 152 153 ctx.ModuleErrorf("couldn't map output file %q to a generator", out) 154 return "" 155 } 156 157 func (t *tblgen) DepsMutator(ctx android.BottomUpMutatorContext) { 158 } 159 160 func (t *tblgen) GeneratedHeaderDirs() android.Paths { 161 return t.exportedHeaderDirs 162 } 163 164 func (t *tblgen) GeneratedSourceFiles() android.Paths { 165 return t.generatedHeaders 166 } 167 168 func clangTblgenFactory() (blueprint.Module, []interface{}) { 169 t := &tblgen{} 170 171 return android.InitAndroidModule(t, &t.properties) 172 } 173
