aboutsummaryrefslogtreecommitdiff
path: root/libbuild2/parser.hxx
diff options
context:
space:
mode:
authorBoris Kolpackov <boris@codesynthesis.com>2022-04-06 11:26:52 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2022-04-06 13:51:56 +0200
commit76be0a35f6c37cda7ba65530330f1ac246fb52a8 (patch)
treef613ceafcf6c7208984d4536653061c4e0c23be7 /libbuild2/parser.hxx
parent0a9dd0c7d31cbba2170fdfda4b747a1fe5ce665a (diff)
Add support for rule hints
A rule hint is a target attribute, for example: [rule_hint=cxx] exe{hello}: c{hello} Rule hints can be used to resolve ambiguity when multiple rules match the same target as well as to override an unambiguous match.
Diffstat (limited to 'libbuild2/parser.hxx')
-rw-r--r--libbuild2/parser.hxx15
1 files changed, 11 insertions, 4 deletions
diff --git a/libbuild2/parser.hxx b/libbuild2/parser.hxx
index 1474c5e..4f105e5 100644
--- a/libbuild2/parser.hxx
+++ b/libbuild2/parser.hxx
@@ -162,13 +162,20 @@ namespace build2
enter_adhoc_members (adhoc_names_loc&&, bool);
small_vector<reference_wrapper<target>, 1>
- enter_targets (names&&, const location&, adhoc_names&&, size_t);
+ enter_targets (names&&, const location&,
+ adhoc_names&&,
+ size_t,
+ const attributes&);
+
+ void
+ apply_target_attributes (target&, const attributes&);
void
parse_dependency (token&, token_type&,
names&&, const location&,
adhoc_names&&,
- names&&, const location&);
+ names&&, const location&,
+ const attributes&);
void
parse_assert (token&, token_type&);
@@ -305,8 +312,8 @@ namespace build2
// then parse the attribute sequence until ']' storing the result in the
// new stack entry. Then get the next token and, if standalone is false,
// verify it is not newline/eos (i.e., there is something after it).
- // Return the indication of whether we have seen `[` (even if it's the
- // `[]` empty list) and its location.
+ // Return the indication of whether we have seen any attributes (note
+ // that the `[]` empty list does not count) and the location of `[`.
//
// Note that during pre-parsing nothing is pushed into the stack.
//