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// Copyright (C) 2016 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package clang
import (
"path/filepath"
"strings"
"android/soong/android"
"android/soong/genrule"
"github.com/google/blueprint"
)
func init() {
android.RegisterModuleType("clang_tblgen", clangTblgenFactory)
}
var (
pctx = android.NewPackageContext("android/soong/clang")
clangTblgen = pctx.HostBinToolVariable("clangTblgen", "clang-tblgen")
tblgenRule = pctx.StaticRule("tblgenRule", blueprint.RuleParams{
Depfile: "${out}.d",
Deps: blueprint.DepsGCC,
Command: "${clangTblgen} ${includes} ${generator} -d ${depfile} -o ${out} ${in}",
CommandDeps: []string{"${clangTblgen}"},
Description: "Clang TableGen $in => $out",
}, "includes", "depfile", "generator")
)
type tblgenProperties struct {
In string
Outs []string
}
type tblgen struct {
android.ModuleBase
properties tblgenProperties
exportedHeaderDirs android.Paths
generatedHeaders android.Paths
}
var _ genrule.SourceFileGenerator = (*tblgen)(nil)
func (t *tblgen) GenerateAndroidBuildActions(ctx android.ModuleContext) {
in := android.PathForModuleSrc(ctx, t.properties.In)
includes := []string{
"-I " + ctx.ModuleDir(),
"-I external/llvm/include",
"-I external/llvm/lib/Target",
"-I external/clang/include",
"-I " + filepath.Dir(in.String()),
}
for _, o := range t.properties.Outs {
out := android.PathForModuleGen(ctx, o)
generator := outToGenerator(ctx, o)
ctx.ModuleBuild(pctx, android.ModuleBuildParams{
Rule: tblgenRule,
Input: in,
Output: out,
Args: map[string]string{
"includes": strings.Join(includes, " "),
"generator": generator,
},
})
t.generatedHeaders = append(t.generatedHeaders, out)
}
t.exportedHeaderDirs = append(t.exportedHeaderDirs, android.PathForModuleGen(ctx, ""))
}
func outToGenerator(ctx android.ModuleContext, out string) string {
out = filepath.Base(out)
switch {
case out == "AttrDump.inc":
return "-gen-clang-attr-dump"
case out == "AttrImpl.inc":
return "-gen-clang-attr-impl"
case out == "AttrHasAttributeImpl.inc":
return "-gen-clang-attr-has-attribute-impl"
case out == "AttrList.inc":
return "-gen-clang-attr-list"
case out == "AttrSpellingListIndex.inc":
return "-gen-clang-attr-spelling-index"
case out == "AttrPCHRead.inc":
return "-gen-clang-attr-pch-read"
case out == "AttrPCHWrite.inc":
return "-gen-clang-attr-pch-write"
case out == "Attrs.inc":
return "-gen-clang-attr-classes"
case out == "AttrParserStringSwitches.inc":
return "-gen-clang-attr-parser-string-switches"
case out == "AttrVisitor.inc":
return "-gen-clang-attr-ast-visitor"
case out == "AttrParsedAttrKinds.inc":
return "-gen-clang-attr-parsed-attr-kinds"
case out == "AttrParsedAttrImpl.inc":
return "-gen-clang-attr-parsed-attr-impl"
case out == "AttrParsedAttrList.inc":
return "-gen-clang-attr-parsed-attr-list"
case out == "AttrTemplateInstantiate.inc":
return "-gen-clang-attr-template-instantiate"
case out == "Checkers.inc":
return "-gen-clang-sa-checkers"
case out == "CommentCommandInfo.inc":
return "-gen-clang-comment-command-info"
case out == "CommentCommandList.inc":
return "-gen-clang-comment-command-list"
case out == "CommentHTMLNamedCharacterReferences.inc":
return "-gen-clang-comment-html-named-character-references"
case out == "CommentHTMLTagsProperties.inc":
return "-gen-clang-comment-html-tags-properties"
case out == "CommentHTMLTags.inc":
return "-gen-clang-comment-html-tags"
case out == "CommentNodes.inc":
return "-gen-clang-comment-nodes"
case strings.HasPrefix(out, "Diagnostic") && strings.HasSuffix(out, "Kinds.inc"):
component := strings.TrimPrefix(strings.TrimSuffix(out, "Kinds.inc"), "Diagnostic")
return "-gen-clang-diags-defs -clang-component=" + component
case out == "DiagnosticGroups.inc":
return "-gen-clang-diag-groups"
case out == "DiagnosticIndexName.inc":
return "-gen-clang-diag-groups"
case out == "DeclNodes.inc":
return "-gen-clang-decl-nodes"
case out == "StmtNodes.inc":
return "-gen-clang-stmt-nodes"
case out == "arm_neon.inc":
return "-gen-arm-neon-sema"
case out == "arm_neon.h":
return "-gen-arm-neon"
}
ctx.ModuleErrorf("couldn't map output file %q to a generator", out)
return ""
}
func (t *tblgen) DepsMutator(ctx android.BottomUpMutatorContext) {
}
func (t *tblgen) GeneratedHeaderDirs() android.Paths {
return t.exportedHeaderDirs
}
func (t *tblgen) GeneratedSourceFiles() android.Paths {
return t.generatedHeaders
}
func clangTblgenFactory() android.Module {
t := &tblgen{}
t.AddProperties(&t.properties)
android.InitAndroidModule(t)
return t
}