/** @param rules the raw rule objects to parse. */
@VisibleForTesting
synchronized void parseRawRulesInternal(Iterable<Map<String, Object>> rules)
throws BuildTargetException, IOException {
for (Map<String, Object> map : rules) {
if (isMetaRule(map)) {
parseMetaRule(map);
continue;
}
BuildRuleType buildRuleType = parseBuildRuleTypeFromRawRule(map);
BuildTarget target = parseBuildTargetFromRawRule(map);
BuildRuleFactory<?> factory = buildRuleTypes.getFactory(buildRuleType);
if (factory == null) {
throw new HumanReadableException(
"Unrecognized rule %s while parsing %s.",
buildRuleType, target.getBuildFile(projectFilesystem));
}
BuildFileTree buildFileTree;
buildFileTree = buildFileTreeCache.getInput();
BuildRuleBuilder<?> buildRuleBuilder =
factory.newInstance(
new BuildRuleFactoryParams(
map,
projectFilesystem,
buildFileTree,
buildTargetParser,
target,
ruleKeyBuilderFactory));
Object existingRule = knownBuildTargets.put(target, buildRuleBuilder);
if (existingRule != null) {
throw new RuntimeException("Duplicate definition for " + target.getFullyQualifiedName());
}
parsedBuildFiles.put(normalize(target.getBuildFile(projectFilesystem).toPath()), map);
}
}
/**
* @param map the map of values that define the rule.
* @return the type of rule defined by the map.
*/
private BuildRuleType parseBuildRuleTypeFromRawRule(Map<String, Object> map) {
String type = (String) map.get("type");
return buildRuleTypes.getBuildRuleType(type);
}