drop reserved words 'build'/'rule'/'subninja'/etc.

Instead, parse them as normal words, which makes them work as paths.
We instead rely on the *position* (i.e., we start a statement with a
keyword and not a path) to distinguish the keyword 'build' from the file
'build'.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/parsers_test.cc b/src/parsers_test.cc
index c20a812..9bd16a9 100644
--- a/src/parsers_test.cc
+++ b/src/parsers_test.cc
@@ -174,6 +174,13 @@ TEST_F(ParserTest, CanonicalizePaths) {
   EXPECT_TRUE(state.LookupNode("bar/foo.cc"));
 }
 
+TEST_F(ParserTest, ReservedWords) {
+  ASSERT_NO_FATAL_FAILURE(AssertParse(
+"rule build\n"
+"  command = rule run $out\n"
+"build subninja: build include foo.cc\n"));
+}
+
 TEST_F(ParserTest, Errors) {
   {
     ManifestParser parser(NULL, NULL);