Add yacc and lex support

Add support for yacc (.y or .yy) and lex (.l or .ll) files.  Also
tweak locations of .o files for normal and generated sources to
makes sure they don't collide.

Change-Id: I03172cddbdc022525bf392a81d72050406b8cdb3
diff --git a/cc/cc.go b/cc/cc.go
index e9a183e..b0dd792 100644
--- a/cc/cc.go
+++ b/cc/cc.go
@@ -32,6 +32,7 @@
 
 type Config interface {
 	SrcDir() string
+	IntermediatesDir() string
 	PrebuiltOS() string
 }
 
@@ -126,6 +127,9 @@
 	// asflags: list of module-specific flags that will be used for .S compiles
 	Asflags []string `android:"arch_variant"`
 
+	// yaccflags: list of module-specific flags that will be used for .y and .yy compiles
+	Yaccflags []string
+
 	// ldflags: list of module-specific flags that will be used for all link steps
 	Ldflags []string `android:"arch_variant"`
 
@@ -257,6 +261,7 @@
 	CFlags      []string
 	ConlyFlags  []string
 	CppFlags    []string
+	YaccFlags   []string
 	LdFlags     []string
 	LdLibs      []string
 	IncludeDirs []string
@@ -311,12 +316,12 @@
 
 	flags.IncludeDirs = append(flags.IncludeDirs, deps.IncludeDirs...)
 
-	objFiles := c.compileObjs(ctx, flags, deps)
+	objFiles := c.compileObjs(ctx, flags)
 	if ctx.Failed() {
 		return
 	}
 
-	generatedObjFiles := c.compileGeneratedObjs(ctx, flags, deps)
+	generatedObjFiles := c.compileGeneratedObjs(ctx, flags)
 	if ctx.Failed() {
 		return
 	}
@@ -388,6 +393,7 @@
 		ConlyFlags: c.properties.Conlyflags,
 		LdFlags:    c.properties.Ldflags,
 		AsFlags:    c.properties.Asflags,
+		YaccFlags:  c.properties.Yaccflags,
 		Nocrt:      c.properties.Nocrt,
 		Toolchain:  toolchain,
 		Clang:      c.properties.Clang,
@@ -521,28 +527,29 @@
 
 // Compile a list of source files into objects a specified subdirectory
 func (c *ccBase) customCompileObjs(ctx common.AndroidModuleContext, flags CCFlags,
-	deps CCDeps, subdir string, srcFiles []string) []string {
+	subdir string, srcFiles []string) []string {
+
+	buildFlags := ccFlagsToBuilderFlags(flags)
 
 	srcFiles = pathtools.PrefixPaths(srcFiles, common.ModuleSrcDir(ctx))
 	srcFiles = common.ExpandGlobs(ctx, srcFiles)
+	srcFiles, deps := genSources(ctx, srcFiles, buildFlags)
 
-	return TransformSourceToObj(ctx, subdir, srcFiles, ccFlagsToBuilderFlags(flags))
+	return TransformSourceToObj(ctx, subdir, srcFiles, buildFlags, deps)
 }
 
 // Compile files listed in c.properties.Srcs into objects
-func (c *ccBase) compileObjs(ctx common.AndroidModuleContext, flags CCFlags,
-	deps CCDeps) []string {
+func (c *ccBase) compileObjs(ctx common.AndroidModuleContext, flags CCFlags) []string {
 
 	if c.properties.SkipCompileObjs {
 		return nil
 	}
 
-	return c.customCompileObjs(ctx, flags, deps, "", c.properties.Srcs)
+	return c.customCompileObjs(ctx, flags, "", c.properties.Srcs)
 }
 
 // Compile generated source files from dependencies
-func (c *ccBase) compileGeneratedObjs(ctx common.AndroidModuleContext, flags CCFlags,
-	deps CCDeps) []string {
+func (c *ccBase) compileGeneratedObjs(ctx common.AndroidModuleContext, flags CCFlags) []string {
 	var srcs []string
 
 	if c.properties.SkipCompileObjs {
@@ -559,7 +566,7 @@
 		return nil
 	}
 
-	return TransformSourceToObj(ctx, "", srcs, ccFlagsToBuilderFlags(flags))
+	return TransformSourceToObj(ctx, "", srcs, ccFlagsToBuilderFlags(flags), nil)
 }
 
 func (c *ccBase) outputFile() string {
@@ -1013,7 +1020,7 @@
 
 	staticFlags := flags
 	staticFlags.CFlags = append(staticFlags.CFlags, c.LibraryProperties.Static.Cflags...)
-	objFilesStatic := c.customCompileObjs(ctx, staticFlags, deps, common.DeviceStaticLibrary,
+	objFilesStatic := c.customCompileObjs(ctx, staticFlags, common.DeviceStaticLibrary,
 		c.LibraryProperties.Static.Srcs)
 
 	objFiles = append(objFiles, objFilesStatic...)
@@ -1036,7 +1043,7 @@
 
 	sharedFlags := flags
 	sharedFlags.CFlags = append(sharedFlags.CFlags, c.LibraryProperties.Shared.Cflags...)
-	objFilesShared := c.customCompileObjs(ctx, sharedFlags, deps, common.DeviceSharedLibrary,
+	objFilesShared := c.customCompileObjs(ctx, sharedFlags, common.DeviceSharedLibrary,
 		c.LibraryProperties.Shared.Srcs)
 
 	objFiles = append(objFiles, objFilesShared...)