cc/gen.go - SHIFTPHONES/android_build_soong - Gitiles

 // Copyright 2015 Google Inc. All rights reserved.
 //
 // 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 cc

 import (
 	"path/filepath"
 	"strings"

 	"github.com/google/blueprint"

 	"android/soong/android"
 )

 func init() {
 	pctx.SourcePathVariable("lexCmd", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/flex")
 	pctx.SourcePathVariable("m4Cmd", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/m4")

 	pctx.HostBinToolVariable("aidlCmd", "aidl-cpp")
 	pctx.HostBinToolVariable("syspropCmd", "sysprop_cpp")
 }

 var (
 	lex = pctx.AndroidStaticRule("lex",
 		blueprint.RuleParams{
 			Command:     "M4=$m4Cmd $lexCmd -o$out $in",
 			CommandDeps: []string{"$lexCmd", "$m4Cmd"},
 		})

 	sysprop = pctx.AndroidStaticRule("sysprop",
 		blueprint.RuleParams{
 			Command: "$syspropCmd --header-dir=$headerOutDir --public-header-dir=$publicOutDir " +
 				"--source-dir=$srcOutDir --include-name=$includeName $in",
 			CommandDeps: []string{"$syspropCmd"},
 		},
 		"headerOutDir", "publicOutDir", "srcOutDir", "includeName")

 	windmc = pctx.AndroidStaticRule("windmc",
 		blueprint.RuleParams{
 			Command:     "$windmcCmd -r$$(dirname $out) -h$$(dirname $out) $in",
 			CommandDeps: []string{"$windmcCmd"},
 		},
 		"windmcCmd")
 )

 type YaccProperties struct {
 	// list of module-specific flags that will be used for .y and .yy compiles
 	Flags []string

 	// whether the yacc files will produce a location.hh file
 	Gen_location_hh *bool

 	// whether the yacc files will product a position.hh file
 	Gen_position_hh *bool
 }

 func genYacc(ctx android.ModuleContext, rule *android.RuleBuilder, yaccFile android.Path,
 	outFile android.ModuleGenPath, props *YaccProperties) (headerFiles android.Paths) {

 	outDir := android.PathForModuleGen(ctx, "yacc")
 	headerFile := android.GenPathWithExt(ctx, "yacc", yaccFile, "h")
 	ret := android.Paths{headerFile}

 	cmd := rule.Command()

 	// Fix up #line markers to not use the sbox temporary directory
 	sedCmd := "sed -i.bak 's#__SBOX_OUT_DIR__#" + outDir.String() + "#'"
 	rule.Command().Text(sedCmd).Input(outFile)
 	rule.Command().Text(sedCmd).Input(headerFile)

 	var flags []string
 	if props != nil {
 		flags = props.Flags

 		if Bool(props.Gen_location_hh) {
 			locationHeader := outFile.InSameDir(ctx, "location.hh")
 			ret = append(ret, locationHeader)
 			cmd.ImplicitOutput(locationHeader)
 			rule.Command().Text(sedCmd).Input(locationHeader)
 		}
 		if Bool(props.Gen_position_hh) {
 			positionHeader := outFile.InSameDir(ctx, "position.hh")
 			ret = append(ret, positionHeader)
 			cmd.ImplicitOutput(positionHeader)
 			rule.Command().Text(sedCmd).Input(positionHeader)
 		}
 	}

 	cmd.Text("BISON_PKGDATADIR=prebuilts/build-tools/common/bison").
 		FlagWithInput("M4=", ctx.Config().PrebuiltBuildTool(ctx, "m4")).
 		PrebuiltBuildTool(ctx, "bison").
 		Flag("-d").
 		Flags(flags).
 		FlagWithOutput("--defines=", headerFile).
 		Flag("-o").Output(outFile).Input(yaccFile)

 	return ret
 }

 func genAidl(ctx android.ModuleContext, rule *android.RuleBuilder, aidlFile android.Path,
 	outFile, depFile android.ModuleGenPath, aidlFlags string) android.Paths {

 	aidlPackage := strings.TrimSuffix(aidlFile.Rel(), aidlFile.Base())
 	baseName := strings.TrimSuffix(aidlFile.Base(), aidlFile.Ext())
 	shortName := baseName
 	// TODO(b/111362593): aidl_to_cpp_common.cpp uses heuristics to figure out if
 	//   an interface name has a leading I. Those same heuristics have been
 	//   moved here.
 	if len(baseName) >= 2 && baseName[0] == 'I' &&
 		strings.ToUpper(baseName)[1] == baseName[1] {
 		shortName = strings.TrimPrefix(baseName, "I")
 	}

 	outDir := android.PathForModuleGen(ctx, "aidl")
 	headerI := outDir.Join(ctx, aidlPackage, baseName+".h")
 	headerBn := outDir.Join(ctx, aidlPackage, "Bn"+shortName+".h")
 	headerBp := outDir.Join(ctx, aidlPackage, "Bp"+shortName+".h")

 	baseDir := strings.TrimSuffix(aidlFile.String(), aidlFile.Rel())
 	if baseDir != "" {
 		aidlFlags += " -I" + baseDir
 	}

 	cmd := rule.Command()
 	cmd.BuiltTool(ctx, "aidl-cpp").
 		FlagWithDepFile("-d", depFile).
 		Flag("--ninja").
 		Flag(aidlFlags).
 		Input(aidlFile).
 		OutputDir().
 		Output(outFile).
 		ImplicitOutputs(android.WritablePaths{
 			headerI,
 			headerBn,
 			headerBp,
 		})

 	return android.Paths{
 		headerI,
 		headerBn,
 		headerBp,
 	}
 }

 func genLex(ctx android.ModuleContext, lexFile android.Path, outFile android.ModuleGenPath) {
 	ctx.Build(pctx, android.BuildParams{
 		Rule:        lex,
 		Description: "lex " + lexFile.Rel(),
 		Output:      outFile,
 		Input:       lexFile,
 	})
 }

 func genSysprop(ctx android.ModuleContext, syspropFile android.Path) (android.Path, android.Paths) {
 	headerFile := android.PathForModuleGen(ctx, "sysprop", "include", syspropFile.Rel()+".h")
 	publicHeaderFile := android.PathForModuleGen(ctx, "sysprop/public", "include", syspropFile.Rel()+".h")
 	cppFile := android.PathForModuleGen(ctx, "sysprop", syspropFile.Rel()+".cpp")

 	headers := android.WritablePaths{headerFile, publicHeaderFile}

 	ctx.Build(pctx, android.BuildParams{
 		Rule:            sysprop,
 		Description:     "sysprop " + syspropFile.Rel(),
 		Output:          cppFile,
 		ImplicitOutputs: headers,
 		Input:           syspropFile,
 		Args: map[string]string{
 			"headerOutDir": filepath.Dir(headerFile.String()),
 			"publicOutDir": filepath.Dir(publicHeaderFile.String()),
 			"srcOutDir":    filepath.Dir(cppFile.String()),
 			"includeName":  syspropFile.Rel() + ".h",
 		},
 	})

 	return cppFile, headers.Paths()
 }

 func genWinMsg(ctx android.ModuleContext, srcFile android.Path, flags builderFlags) (android.Path, android.Path) {
 	headerFile := android.GenPathWithExt(ctx, "windmc", srcFile, "h")
 	rcFile := android.GenPathWithExt(ctx, "windmc", srcFile, "rc")

 	windmcCmd := gccCmd(flags.toolchain, "windmc")

 	ctx.Build(pctx, android.BuildParams{
 		Rule:           windmc,
 		Description:    "windmc " + srcFile.Rel(),
 		Output:         rcFile,
 		ImplicitOutput: headerFile,
 		Input:          srcFile,
 		Args: map[string]string{
 			"windmcCmd": windmcCmd,
 		},
 	})

 	return rcFile, headerFile
 }

 func genSources(ctx android.ModuleContext, srcFiles android.Paths,
 	buildFlags builderFlags) (android.Paths, android.Paths) {

 	var deps android.Paths
 	var rsFiles android.Paths

 	var aidlRule *android.RuleBuilder

 	var yaccRule_ *android.RuleBuilder
 	yaccRule := func() *android.RuleBuilder {
 		if yaccRule_ == nil {
 			yaccRule_ = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "yacc"))
 		}
 		return yaccRule_
 	}

 	for i, srcFile := range srcFiles {
 		switch srcFile.Ext() {
 		case ".y":
 			cFile := android.GenPathWithExt(ctx, "yacc", srcFile, "c")
 			srcFiles[i] = cFile
 			deps = append(deps, genYacc(ctx, yaccRule(), srcFile, cFile, buildFlags.yacc)...)
 		case ".yy":
 			cppFile := android.GenPathWithExt(ctx, "yacc", srcFile, "cpp")
 			srcFiles[i] = cppFile
 			deps = append(deps, genYacc(ctx, yaccRule(), srcFile, cppFile, buildFlags.yacc)...)
 		case ".l":
 			cFile := android.GenPathWithExt(ctx, "lex", srcFile, "c")
 			srcFiles[i] = cFile
 			genLex(ctx, srcFile, cFile)
 		case ".ll":
 			cppFile := android.GenPathWithExt(ctx, "lex", srcFile, "cpp")
 			srcFiles[i] = cppFile
 			genLex(ctx, srcFile, cppFile)
 		case ".proto":
 			ccFile, headerFile := genProto(ctx, srcFile, buildFlags)
 			srcFiles[i] = ccFile
 			deps = append(deps, headerFile)
 		case ".aidl":
 			if aidlRule == nil {
 				aidlRule = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "aidl"))
 			}
 			cppFile := android.GenPathWithExt(ctx, "aidl", srcFile, "cpp")
 			depFile := android.GenPathWithExt(ctx, "aidl", srcFile, "cpp.d")
 			srcFiles[i] = cppFile
 			deps = append(deps, genAidl(ctx, aidlRule, srcFile, cppFile, depFile, buildFlags.aidlFlags)...)
 		case ".rscript", ".fs":
 			cppFile := rsGeneratedCppFile(ctx, srcFile)
 			rsFiles = append(rsFiles, srcFiles[i])
 			srcFiles[i] = cppFile
 		case ".mc":
 			rcFile, headerFile := genWinMsg(ctx, srcFile, buildFlags)
 			srcFiles[i] = rcFile
 			deps = append(deps, headerFile)
 		case ".sysprop":
 			cppFile, headerFiles := genSysprop(ctx, srcFile)
 			srcFiles[i] = cppFile
 			deps = append(deps, headerFiles...)
 		}
 	}

 	if aidlRule != nil {
 		aidlRule.Build(pctx, ctx, "aidl", "gen aidl")
 	}

 	if yaccRule_ != nil {
 		yaccRule_.Build(pctx, ctx, "yacc", "gen yacc")
 	}

 	if len(rsFiles) > 0 {
 		deps = append(deps, rsGenerateCpp(ctx, rsFiles, buildFlags.rsFlags)...)
 	}

 	return srcFiles, deps
 }
	// Copyright 2015 Google Inc. All rights reserved.
	//
	// 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 cc

	import (
	"path/filepath"
	"strings"

	"github.com/google/blueprint"

	"android/soong/android"
	)

	func init() {
	pctx.SourcePathVariable("lexCmd", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/flex")
	pctx.SourcePathVariable("m4Cmd", "prebuilts/build-tools/${config.HostPrebuiltTag}/bin/m4")

	pctx.HostBinToolVariable("aidlCmd", "aidl-cpp")
	pctx.HostBinToolVariable("syspropCmd", "sysprop_cpp")
	}

	var (
	lex = pctx.AndroidStaticRule("lex",
	blueprint.RuleParams{
	Command: "M4=$m4Cmd $lexCmd -o$out $in",
	CommandDeps: []string{"$lexCmd", "$m4Cmd"},
	})

	sysprop = pctx.AndroidStaticRule("sysprop",
	blueprint.RuleParams{
	Command: "$syspropCmd --header-dir=$headerOutDir --public-header-dir=$publicOutDir " +
	"--source-dir=$srcOutDir --include-name=$includeName $in",
	CommandDeps: []string{"$syspropCmd"},
	},
	"headerOutDir", "publicOutDir", "srcOutDir", "includeName")

	windmc = pctx.AndroidStaticRule("windmc",
	blueprint.RuleParams{
	Command: "$windmcCmd -r$$(dirname $out) -h$$(dirname $out) $in",
	CommandDeps: []string{"$windmcCmd"},
	},
	"windmcCmd")
	)

	type YaccProperties struct {
	// list of module-specific flags that will be used for .y and .yy compiles
	Flags []string

	// whether the yacc files will produce a location.hh file
	Gen_location_hh *bool

	// whether the yacc files will product a position.hh file
	Gen_position_hh *bool
	}

	func genYacc(ctx android.ModuleContext, rule *android.RuleBuilder, yaccFile android.Path,
	outFile android.ModuleGenPath, props *YaccProperties) (headerFiles android.Paths) {

	outDir := android.PathForModuleGen(ctx, "yacc")
	headerFile := android.GenPathWithExt(ctx, "yacc", yaccFile, "h")
	ret := android.Paths{headerFile}

	cmd := rule.Command()

	// Fix up #line markers to not use the sbox temporary directory
	sedCmd := "sed -i.bak 's#__SBOX_OUT_DIR__#" + outDir.String() + "#'"
	rule.Command().Text(sedCmd).Input(outFile)
	rule.Command().Text(sedCmd).Input(headerFile)

	var flags []string
	if props != nil {
	flags = props.Flags

	if Bool(props.Gen_location_hh) {
	locationHeader := outFile.InSameDir(ctx, "location.hh")
	ret = append(ret, locationHeader)
	cmd.ImplicitOutput(locationHeader)
	rule.Command().Text(sedCmd).Input(locationHeader)
	}
	if Bool(props.Gen_position_hh) {
	positionHeader := outFile.InSameDir(ctx, "position.hh")
	ret = append(ret, positionHeader)
	cmd.ImplicitOutput(positionHeader)
	rule.Command().Text(sedCmd).Input(positionHeader)
	}
	}

	cmd.Text("BISON_PKGDATADIR=prebuilts/build-tools/common/bison").
	FlagWithInput("M4=", ctx.Config().PrebuiltBuildTool(ctx, "m4")).
	PrebuiltBuildTool(ctx, "bison").
	Flag("-d").
	Flags(flags).
	FlagWithOutput("--defines=", headerFile).
	Flag("-o").Output(outFile).Input(yaccFile)

	return ret
	}

	func genAidl(ctx android.ModuleContext, rule *android.RuleBuilder, aidlFile android.Path,
	outFile, depFile android.ModuleGenPath, aidlFlags string) android.Paths {

	aidlPackage := strings.TrimSuffix(aidlFile.Rel(), aidlFile.Base())
	baseName := strings.TrimSuffix(aidlFile.Base(), aidlFile.Ext())
	shortName := baseName
	// TODO(b/111362593): aidl_to_cpp_common.cpp uses heuristics to figure out if
	// an interface name has a leading I. Those same heuristics have been
	// moved here.
	if len(baseName) >= 2 && baseName[0] == 'I' &&
	strings.ToUpper(baseName)[1] == baseName[1] {
	shortName = strings.TrimPrefix(baseName, "I")
	}

	outDir := android.PathForModuleGen(ctx, "aidl")
	headerI := outDir.Join(ctx, aidlPackage, baseName+".h")
	headerBn := outDir.Join(ctx, aidlPackage, "Bn"+shortName+".h")
	headerBp := outDir.Join(ctx, aidlPackage, "Bp"+shortName+".h")

	baseDir := strings.TrimSuffix(aidlFile.String(), aidlFile.Rel())
	if baseDir != "" {
	aidlFlags += " -I" + baseDir
	}

	cmd := rule.Command()
	cmd.BuiltTool(ctx, "aidl-cpp").
	FlagWithDepFile("-d", depFile).
	Flag("--ninja").
	Flag(aidlFlags).
	Input(aidlFile).
	OutputDir().
	Output(outFile).
	ImplicitOutputs(android.WritablePaths{
	headerI,
	headerBn,
	headerBp,
	})

	return android.Paths{
	headerI,
	headerBn,
	headerBp,
	}
	}

	func genLex(ctx android.ModuleContext, lexFile android.Path, outFile android.ModuleGenPath) {
	ctx.Build(pctx, android.BuildParams{
	Rule: lex,
	Description: "lex " + lexFile.Rel(),
	Output: outFile,
	Input: lexFile,
	})
	}

	func genSysprop(ctx android.ModuleContext, syspropFile android.Path) (android.Path, android.Paths) {
	headerFile := android.PathForModuleGen(ctx, "sysprop", "include", syspropFile.Rel()+".h")
	publicHeaderFile := android.PathForModuleGen(ctx, "sysprop/public", "include", syspropFile.Rel()+".h")
	cppFile := android.PathForModuleGen(ctx, "sysprop", syspropFile.Rel()+".cpp")

	headers := android.WritablePaths{headerFile, publicHeaderFile}

	ctx.Build(pctx, android.BuildParams{
	Rule: sysprop,
	Description: "sysprop " + syspropFile.Rel(),
	Output: cppFile,
	ImplicitOutputs: headers,
	Input: syspropFile,
	Args: map[string]string{
	"headerOutDir": filepath.Dir(headerFile.String()),
	"publicOutDir": filepath.Dir(publicHeaderFile.String()),
	"srcOutDir": filepath.Dir(cppFile.String()),
	"includeName": syspropFile.Rel() + ".h",
	},
	})

	return cppFile, headers.Paths()
	}

	func genWinMsg(ctx android.ModuleContext, srcFile android.Path, flags builderFlags) (android.Path, android.Path) {
	headerFile := android.GenPathWithExt(ctx, "windmc", srcFile, "h")
	rcFile := android.GenPathWithExt(ctx, "windmc", srcFile, "rc")

	windmcCmd := gccCmd(flags.toolchain, "windmc")

	ctx.Build(pctx, android.BuildParams{
	Rule: windmc,
	Description: "windmc " + srcFile.Rel(),
	Output: rcFile,
	ImplicitOutput: headerFile,
	Input: srcFile,
	Args: map[string]string{
	"windmcCmd": windmcCmd,
	},
	})

	return rcFile, headerFile
	}

	func genSources(ctx android.ModuleContext, srcFiles android.Paths,
	buildFlags builderFlags) (android.Paths, android.Paths) {

	var deps android.Paths
	var rsFiles android.Paths

	var aidlRule *android.RuleBuilder

	var yaccRule_ *android.RuleBuilder
	yaccRule := func() *android.RuleBuilder {
	if yaccRule_ == nil {
	yaccRule_ = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "yacc"))
	}
	return yaccRule_
	}

	for i, srcFile := range srcFiles {
	switch srcFile.Ext() {
	case ".y":
	cFile := android.GenPathWithExt(ctx, "yacc", srcFile, "c")
	srcFiles[i] = cFile
	deps = append(deps, genYacc(ctx, yaccRule(), srcFile, cFile, buildFlags.yacc)...)
	case ".yy":
	cppFile := android.GenPathWithExt(ctx, "yacc", srcFile, "cpp")
	srcFiles[i] = cppFile
	deps = append(deps, genYacc(ctx, yaccRule(), srcFile, cppFile, buildFlags.yacc)...)
	case ".l":
	cFile := android.GenPathWithExt(ctx, "lex", srcFile, "c")
	srcFiles[i] = cFile
	genLex(ctx, srcFile, cFile)
	case ".ll":
	cppFile := android.GenPathWithExt(ctx, "lex", srcFile, "cpp")
	srcFiles[i] = cppFile
	genLex(ctx, srcFile, cppFile)
	case ".proto":
	ccFile, headerFile := genProto(ctx, srcFile, buildFlags)
	srcFiles[i] = ccFile
	deps = append(deps, headerFile)
	case ".aidl":
	if aidlRule == nil {
	aidlRule = android.NewRuleBuilder().Sbox(android.PathForModuleGen(ctx, "aidl"))
	}
	cppFile := android.GenPathWithExt(ctx, "aidl", srcFile, "cpp")
	depFile := android.GenPathWithExt(ctx, "aidl", srcFile, "cpp.d")
	srcFiles[i] = cppFile
	deps = append(deps, genAidl(ctx, aidlRule, srcFile, cppFile, depFile, buildFlags.aidlFlags)...)
	case ".rscript", ".fs":
	cppFile := rsGeneratedCppFile(ctx, srcFile)
	rsFiles = append(rsFiles, srcFiles[i])
	srcFiles[i] = cppFile
	case ".mc":
	rcFile, headerFile := genWinMsg(ctx, srcFile, buildFlags)
	srcFiles[i] = rcFile
	deps = append(deps, headerFile)
	case ".sysprop":
	cppFile, headerFiles := genSysprop(ctx, srcFile)
	srcFiles[i] = cppFile
	deps = append(deps, headerFiles...)
	}
	}

	if aidlRule != nil {
	aidlRule.Build(pctx, ctx, "aidl", "gen aidl")
	}

	if yaccRule_ != nil {
	yaccRule_.Build(pctx, ctx, "yacc", "gen yacc")
	}

	if len(rsFiles) > 0 {
	deps = append(deps, rsGenerateCpp(ctx, rsFiles, buildFlags.rsFlags)...)
	}

	return srcFiles, deps
	}