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Clean up RuleContext to use a Table instead of a Map of Maps. #13164

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Clean up RuleContext to use a Table instead of a Map of Maps. #13164

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66 changes: 25 additions & 41 deletions src/main/java/com/google/devtools/build/lib/analysis/RuleContext.java
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Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.ImmutableTable;
import com.google.common.collect.Iterables;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Lists;
Expand Down Expand Up @@ -217,7 +218,7 @@ public ImmutableList<TransitiveInfoCollection> getFiles() {
private final ConstraintSemantics<RuleContext> constraintSemantics;
private final ImmutableSet<String> requiredConfigFragments;
private final List<Expander> makeVariableExpanders = new ArrayList<>();
private final ImmutableMap<String, ImmutableMap<String, String>> execProperties;
private final ImmutableTable<String, String, String> execProperties;

/** Map of exec group names to ActionOwners. */
private final Map<String, ActionOwner> actionOwners = new HashMap<>();
Expand Down Expand Up @@ -635,17 +636,16 @@ private static ImmutableMap<String, String> computeExecProperties(
Map<String, String> execProperties = new HashMap<>();

if (executionPlatform != null) {
Map<String, Map<String, String>> execPropertiesPerGroup =
ImmutableTable<String, String, String> execPropertiesPerGroup =
parseExecGroups(executionPlatform.execProperties());

if (execPropertiesPerGroup.containsKey(DEFAULT_EXEC_GROUP_NAME)) {
execProperties.putAll(execPropertiesPerGroup.get(DEFAULT_EXEC_GROUP_NAME));
execPropertiesPerGroup.remove(DEFAULT_EXEC_GROUP_NAME);
if (execPropertiesPerGroup.containsRow(DEFAULT_EXEC_GROUP_NAME)) {
execProperties.putAll(execPropertiesPerGroup.row(DEFAULT_EXEC_GROUP_NAME));
}

for (Map.Entry<String, Map<String, String>> execGroup : execPropertiesPerGroup.entrySet()) {
if (execGroups.contains(execGroup.getKey())) {
execProperties.putAll(execGroup.getValue());
for (String execGroup : execPropertiesPerGroup.rowKeySet()) {
if (execGroups.contains(execGroup)) {
execProperties.putAll(execPropertiesPerGroup.row(execGroup));
}
}
}
Expand Down Expand Up @@ -1404,10 +1404,10 @@ public ImmutableSortedSet<String> getRequiredConfigFragments() {
return ans.build();
}

private ImmutableMap<String, ImmutableMap<String, String>> parseExecProperties(
private ImmutableTable<String, String, String> parseExecProperties(
Map<String, String> execProperties) throws InvalidExecGroupException {
if (execProperties.isEmpty()) {
return ImmutableMap.of(DEFAULT_EXEC_GROUP_NAME, ImmutableMap.of());
return ImmutableTable.of();
} else {
return parseExecProperties(
execProperties, toolchainContexts == null ? null : toolchainContexts.getExecGroups());
Expand All @@ -1420,39 +1420,35 @@ private ImmutableMap<String, ImmutableMap<String, String>> parseExecProperties(
* former get parsed into the default exec group, the latter get parsed into their relevant exec
* groups.
*/
private static Map<String, Map<String, String>> parseExecGroups(
private static ImmutableTable<String, String, String> parseExecGroups(
Map<String, String> rawExecProperties) {
Map<String, Map<String, String>> consolidatedProperties = new HashMap<>();
consolidatedProperties.put(DEFAULT_EXEC_GROUP_NAME, new HashMap<>());
ImmutableTable.Builder<String, String, String> execProperties = ImmutableTable.builder();
for (Map.Entry<String, String> execProperty : rawExecProperties.entrySet()) {
String rawProperty = execProperty.getKey();
int delimiterIndex = rawProperty.indexOf('.');
if (delimiterIndex == -1) {
consolidatedProperties
.get(DEFAULT_EXEC_GROUP_NAME)
.put(rawProperty, execProperty.getValue());
execProperties.put(DEFAULT_EXEC_GROUP_NAME, rawProperty, execProperty.getValue());
} else {
String execGroup = rawProperty.substring(0, delimiterIndex);
String property = rawProperty.substring(delimiterIndex + 1);
consolidatedProperties.putIfAbsent(execGroup, new HashMap<>());
consolidatedProperties.get(execGroup).put(property, execProperty.getValue());
execProperties.put(execGroup, property, execProperty.getValue());
}
}
return consolidatedProperties;
return execProperties.build();
}

/**
* Parse raw exec properties attribute value into a map of exec group names to their properties.
* If given a set of exec groups, validates all the exec groups in the map are applicable to the
* action.
*/
private static ImmutableMap<String, ImmutableMap<String, String>> parseExecProperties(
private static ImmutableTable<String, String, String> parseExecProperties(
Map<String, String> rawExecProperties, @Nullable Set<String> execGroups)
throws InvalidExecGroupException {
Map<String, Map<String, String>> consolidatedProperties = parseExecGroups(rawExecProperties);
ImmutableTable<String, String, String> consolidatedProperties =
parseExecGroups(rawExecProperties);
if (execGroups != null) {
for (Map.Entry<String, Map<String, String>> execGroup : consolidatedProperties.entrySet()) {
String execGroupName = execGroup.getKey();
for (String execGroupName : consolidatedProperties.rowKeySet()) {
if (!execGroupName.equals(DEFAULT_EXEC_GROUP_NAME) && !execGroups.contains(execGroupName)) {
throw new InvalidExecGroupException(
String.format(
Expand All @@ -1461,14 +1457,7 @@ private static ImmutableMap<String, ImmutableMap<String, String>> parseExecPrope
}
}

// Copy everything to immutable maps.
ImmutableMap.Builder<String, ImmutableMap<String, String>> execProperties =
new ImmutableMap.Builder<>();
for (Map.Entry<String, Map<String, String>> execGroupMap : consolidatedProperties.entrySet()) {
execProperties.put(execGroupMap.getKey(), ImmutableMap.copyOf(execGroupMap.getValue()));
}

return execProperties.build();
return consolidatedProperties;
}

/**
Expand All @@ -1480,16 +1469,16 @@ private static ImmutableMap<String, ImmutableMap<String, String>> parseExecPrope
* @param execProperties Map of exec group name to map of properties and values
*/
private static ImmutableMap<String, String> getExecProperties(
String execGroup, Map<String, ImmutableMap<String, String>> execProperties) {
if (!execProperties.containsKey(execGroup) || execGroup.equals(DEFAULT_EXEC_GROUP_NAME)) {
return execProperties.get(DEFAULT_EXEC_GROUP_NAME);
String execGroup, ImmutableTable<String, String, String> execProperties) {
if (!execProperties.containsRow(execGroup) || execGroup.equals(DEFAULT_EXEC_GROUP_NAME)) {
return execProperties.row(DEFAULT_EXEC_GROUP_NAME);
}

// Use a HashMap to build here because we expect duplicate keys to happen
// (and rewrite previous entries).
Map<String, String> targetAndGroupProperties =
new HashMap<>(execProperties.get(DEFAULT_EXEC_GROUP_NAME));
targetAndGroupProperties.putAll(execProperties.get(execGroup));
new HashMap<>(execProperties.row(DEFAULT_EXEC_GROUP_NAME));
targetAndGroupProperties.putAll(execProperties.row(execGroup));
return ImmutableMap.copyOf(targetAndGroupProperties);
}

Expand All @@ -1510,11 +1499,6 @@ public DetailedExitCode getDetailedExitCode() {
}
}

@VisibleForTesting
public ImmutableMap<String, ImmutableMap<String, String>> getExecPropertiesForTesting() {
return execProperties;
}

private void checkAttributeIsDependency(String attributeName) {
Attribute attributeDefinition = attributes.getAttributeDefinition(attributeName);
if (attributeDefinition == null) {
Expand Down