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authorPeter Collingbourne <peter@pcc.me.uk>2011-09-22 16:04:03 (GMT)
committerPeter Collingbourne <peter@pcc.me.uk>2011-10-15 19:23:50 (GMT)
commit7cf2bdffe2a95ea5e30e9c3166ef4398add8e6b9 (patch)
tree2b8cd622a0fa858beb0b91da121255a82274272b /src/parsers.cc
parent07c1f9b14b5f7071a5def7d09414ec852a4372ef (diff)
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Implement generator rules
Introduce a rule attribute "generator" which, if present, specifies that this rule is used to re-invoke the generator program. Files built using generator rules are treated specially in two ways: firstly, they will not be rebuilt if the command line changes; and secondly, they are not cleaned by default. A command line flag "-g" is introduced for the clean tool, which causes it to remove generator files. Fixes issue #102.
Diffstat (limited to 'src/parsers.cc')
-rw-r--r--src/parsers.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/parsers.cc b/src/parsers.cc
index 9ed2938..c086109 100644
--- a/src/parsers.cc
+++ b/src/parsers.cc
@@ -383,6 +383,12 @@ bool ManifestParser::ParseRule(string* err) {
eval_target = &rule->depfile_;
} else if (key == "description") {
eval_target = &rule->description_;
+ } else if (key == "generator") {
+ rule->generator_ = true;
+ string dummy;
+ if (!tokenizer_.ReadToNewline(&dummy, err))
+ return false;
+ continue;
} else {
// Die on other keyvals for now; revisit if we want to add a
// scope here.