apilint: Lint unhidden @IntDef and @LongDef

@IntDefs and @LongDefs cannot be stored in a .class file, because the constant
names are lost. Instead, they are packaged out-of-band.

Therefore, they should never be in the API.

Test: python tools/apilint/apilint.py api/current.txt
Change-Id: If22e0cf7db0bb90dae6174bf546f2ec8be4e5458

1 files changed, 13 insertions, 2 deletions

diff --git a/tools/apilint/apilint.py b/tools/apilint/apilint.py
index a91fbe76be8d..f967c2fa6bcb 100644
--- a/tools/apilint/apilint.py
+++ b/tools/apilint/apilint.py
@@ -170,6 +170,7 @@ class Class():
         self.ctors = []
         self.fields = []
         self.methods = []
+        self.annotations = []
 
         if sig_format == 2:
             V2LineParser(raw).parse_into_class(self)
@@ -353,8 +354,8 @@ class V2LineParser(object):
 
     def parse_into_class(self, clazz):
         clazz.split = []
-        annotations = self.parse_annotations()
-        if "@Deprecated" in annotations:
+        clazz.annotations = self.parse_annotations()
+        if "@Deprecated" in clazz.annotations:
             clazz.split.append("deprecated")
         clazz.split.extend(self.parse_modifiers())
         kind = self.parse_one_of("class", "interface", "@interface", "enum")
@@ -2000,6 +2001,16 @@ def has_nullability(annotations):
 
 
 @verifier
+def verify_intdef(clazz):
+    """intdefs must be @hide, because the constant names cannot be stored in
+       the stubs (only the values are, which is not useful)"""
+    if "@interface" not in clazz.split:
+        return
+    if "@IntDef" in clazz.annotations or "@LongDef" in clazz.annotations:
+        error(clazz, None, None, "@IntDef and @LongDef annotations must be @hide")
+
+
+@verifier
 def verify_singleton(clazz):
     """Catch singleton objects with constructors."""