Check that local, top level, and exported include paths exist

Require directories listed in the include_dirs, local_include_dirs, and
exported_include_dirs properties to exist.

Change-Id: I5b079bd2c607839bb28dae43801cd7345bde2299

1 files changed, 31 insertions, 0 deletions

diff --git a/common/paths.go b/common/paths.go
index bcd6d8c7..070662ad 100644
--- a/common/paths.go
+++ b/common/paths.go
@@ -16,6 +16,7 @@ package common
 
 import (
 	"path/filepath"
+	"os"
 )
 
 // ModuleOutDir returns the path to the module-specific output directory.
@@ -74,3 +75,33 @@ func ModuleProtoDir(ctx AndroidModuleContext) string {
 func ModuleJSCompiledDir(ctx AndroidModuleContext) string {
 	return filepath.Join(ModuleOutDir(ctx), "js")
 }
+
+// CheckModuleSrcDirsExist logs an error on a property if any of the directories relative to the
+// Blueprints file don't exist.
+func CheckModuleSrcDirsExist(ctx AndroidModuleContext, dirs []string, prop string) {
+	for _, dir := range dirs {
+		fullDir := filepath.Join(ModuleSrcDir(ctx), dir)
+		if _, err := os.Stat(fullDir); err != nil {
+			if os.IsNotExist(err) {
+				ctx.PropertyErrorf(prop, "module source directory %q does not exist", dir)
+			} else {
+				ctx.PropertyErrorf(prop, "%s", err.Error())
+			}
+		}
+	}
+}
+
+// CheckModuleSrcDirsExist logs an error on a property if any of the directories relative to the
+// top of the source tree don't exist.
+func CheckSrcDirsExist(ctx AndroidModuleContext, dirs []string, prop string) {
+	for _, dir := range dirs {
+		fullDir := filepath.Join(ctx.AConfig().SrcDir(), dir)
+		if _, err := os.Stat(fullDir); err != nil {
+			if os.IsNotExist(err) {
+				ctx.PropertyErrorf(prop, "top-level source directory %q does not exist", dir)
+			} else {
+				ctx.PropertyErrorf(prop, "%s", err.Error())
+			}
+		}
+	}
+}