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-rw-r--r--src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java24
-rw-r--r--src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkAttributesCollection.java10
-rw-r--r--src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkModules.java19
-rw-r--r--src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java15
-rw-r--r--src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleConfiguredTargetUtil.java5
-rw-r--r--src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleContext.java4
-rw-r--r--src/main/java/com/google/devtools/build/lib/bazel/repository/skylark/SkylarkRepositoryContext.java4
-rw-r--r--src/main/java/com/google/devtools/build/lib/packages/Attribute.java2
-rw-r--r--src/main/java/com/google/devtools/build/lib/packages/ImplicitOutputsFunction.java2
-rw-r--r--src/main/java/com/google/devtools/build/lib/packages/NativeProvider.java44
-rw-r--r--src/main/java/com/google/devtools/build/lib/packages/PackageFactory.java2
-rw-r--r--src/main/java/com/google/devtools/build/lib/packages/StructProvider.java62
-rw-r--r--src/main/java/com/google/devtools/build/lib/packages/WorkspaceFactory.java2
-rw-r--r--src/main/java/com/google/devtools/build/lib/rules/core/CoreRules.java2
-rw-r--r--src/main/java/com/google/devtools/build/lib/rules/objc/ObjcProviderSkylarkConverters.java4
-rw-r--r--src/main/java/com/google/devtools/build/lib/rules/python/PyCommon.java4
-rw-r--r--src/main/java/com/google/devtools/build/lib/skylarkbuildapi/StructApi.java28
-rw-r--r--src/main/java/com/google/devtools/build/lib/skylarkbuildapi/TopLevelBootstrap.java6
-rw-r--r--src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java22
-rw-r--r--src/test/java/com/google/devtools/build/lib/syntax/EvalUtilsTest.java4
-rw-r--r--src/test/java/com/google/devtools/build/lib/syntax/SkylarkEvaluationTest.java3
21 files changed, 147 insertions, 121 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
index 04c3c1a1a9..2fd2617367 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/ConfiguredRuleClassProvider.java
@@ -46,7 +46,6 @@ import com.google.devtools.build.lib.graph.Digraph;
import com.google.devtools.build.lib.graph.Node;
import com.google.devtools.build.lib.packages.Attribute;
import com.google.devtools.build.lib.packages.NativeAspectClass;
-import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.NonconfigurableAttributeMapper;
import com.google.devtools.build.lib.packages.OutputFile;
import com.google.devtools.build.lib.packages.Rule;
@@ -243,7 +242,6 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
ImmutableMap.builder();
private ImmutableList.Builder<Class<?>> skylarkModules =
ImmutableList.<Class<?>>builder();
- private ImmutableList.Builder<NativeProvider> nativeProviders = ImmutableList.builder();
private Set<String> reservedActionMnemonics = new TreeSet<>();
private BuildConfiguration.ActionEnvironmentProvider actionEnvironmentProvider =
(BuildOptions options) -> ActionEnvironment.EMPTY;
@@ -371,11 +369,6 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
return this;
}
- public Builder addNativeProvider(NativeProvider provider) {
- this.nativeProviders.add(provider);
- return this;
- }
-
public Builder addReservedActionMnemonic(String mnemonic) {
this.reservedActionMnemonics.add(mnemonic);
return this;
@@ -514,8 +507,7 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
skylarkAccessibleTopLevels.build(),
skylarkModules.build(),
ImmutableSet.copyOf(reservedActionMnemonics),
- actionEnvironmentProvider,
- nativeProviders.build());
+ actionEnvironmentProvider);
}
@Override
@@ -628,8 +620,6 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
private final BuildConfiguration.ActionEnvironmentProvider actionEnvironmentProvider;
- private final ImmutableList<NativeProvider> nativeProviders;
-
private final ImmutableMap<String, Class<?>> configurationFragmentMap;
private ConfiguredRuleClassProvider(
@@ -651,8 +641,7 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
ImmutableMap<String, Object> skylarkAccessibleJavaClasses,
ImmutableList<Class<?>> skylarkModules,
ImmutableSet<String> reservedActionMnemonics,
- BuildConfiguration.ActionEnvironmentProvider actionEnvironmentProvider,
- ImmutableList<NativeProvider> nativeProviders) {
+ BuildConfiguration.ActionEnvironmentProvider actionEnvironmentProvider) {
this.preludeLabel = preludeLabel;
this.runfilesPrefix = runfilesPrefix;
this.toolsRepository = toolsRepository;
@@ -671,7 +660,6 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
this.globals = createGlobals(skylarkAccessibleJavaClasses, skylarkModules);
this.reservedActionMnemonics = reservedActionMnemonics;
this.actionEnvironmentProvider = actionEnvironmentProvider;
- this.nativeProviders = nativeProviders;
this.configurationFragmentMap = createFragmentMap(configurationFragmentFactories);
}
@@ -896,12 +884,4 @@ public class ConfiguredRuleClassProvider implements RuleClassProvider {
public BuildConfiguration.ActionEnvironmentProvider getActionEnvironmentProvider() {
return actionEnvironmentProvider;
}
-
- /**
- * Returns all registered {@link NativeProvider} instances, i.e. all built-in provider types that
- * are based on {@link Provider} rather than {@link TransitiveInfoProvider}.
- */
- public ImmutableList<NativeProvider> getNativeProviders() {
- return nativeProviders;
- }
}
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkAttributesCollection.java b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkAttributesCollection.java
index ae13ebf460..6ee03b72d3 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkAttributesCollection.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkAttributesCollection.java
@@ -23,7 +23,7 @@ import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.packages.Attribute;
import com.google.devtools.build.lib.packages.BuildType;
import com.google.devtools.build.lib.packages.Info;
-import com.google.devtools.build.lib.packages.NativeProvider;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.skylarkbuildapi.SkylarkAttributesCollectionApi;
import com.google.devtools.build.lib.skylarkinterface.SkylarkPrinter;
import com.google.devtools.build.lib.syntax.Environment;
@@ -59,21 +59,21 @@ class SkylarkAttributesCollection implements SkylarkAttributesCollectionApi {
this.skylarkRuleContext = skylarkRuleContext;
this.ruleClassName = ruleClassName;
attrObject =
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
attrs,
"No attribute '%s' in attr. Make sure you declared a rule attribute with this name.");
executableObject =
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
executables,
"No attribute '%s' in executable. Make sure there is a label type attribute marked "
+ "as 'executable' with this name");
fileObject =
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
singleFiles,
"No attribute '%s' in file. Make sure there is a label type attribute marked "
+ "as 'single_file' with this name");
filesObject =
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
files,
"No attribute '%s' in files. Make sure there is a label or label_list type attribute "
+ "with this name");
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkModules.java b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkModules.java
index 9271102017..3450283635 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkModules.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkModules.java
@@ -17,6 +17,7 @@ package com.google.devtools.build.lib.analysis.skylark;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.packages.BazelLibrary;
import com.google.devtools.build.lib.packages.SkylarkNativeModule;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.skylarkbuildapi.TopLevelBootstrap;
/**
@@ -26,15 +27,15 @@ public final class SkylarkModules {
private SkylarkModules() { }
- /**
- * A bootstrap for non-rules-specific globals of the build API.
- */
- private static TopLevelBootstrap topLevelBootstrap = new TopLevelBootstrap(
- BazelBuildApiGlobals.class,
- SkylarkAttr.class,
- SkylarkCommandLine.class,
- SkylarkNativeModule.class,
- SkylarkRuleClassFunctions.class);
+ /** A bootstrap for non-rules-specific globals of the build API. */
+ private static TopLevelBootstrap topLevelBootstrap =
+ new TopLevelBootstrap(
+ BazelBuildApiGlobals.class,
+ SkylarkAttr.class,
+ SkylarkCommandLine.class,
+ SkylarkNativeModule.class,
+ SkylarkRuleClassFunctions.class,
+ StructProvider.STRUCT);
/**
* Adds bindings for skylark built-ins and non-rules-specific globals of the build API to
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java
index 561055f7d1..b995abf65b 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleClassFunctions.java
@@ -51,7 +51,6 @@ import com.google.devtools.build.lib.packages.AttributeMap;
import com.google.devtools.build.lib.packages.AttributeValueSource;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction.SkylarkImplicitOutputsFunctionWithCallback;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction.SkylarkImplicitOutputsFunctionWithMap;
-import com.google.devtools.build.lib.packages.Info;
import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.Package.NameConflictException;
import com.google.devtools.build.lib.packages.PackageFactory;
@@ -73,7 +72,6 @@ import com.google.devtools.build.lib.packages.TargetUtils;
import com.google.devtools.build.lib.packages.TestSize;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
import com.google.devtools.build.lib.skylarkbuildapi.SkylarkRuleFunctionsApi;
-import com.google.devtools.build.lib.skylarkinterface.Param;
import com.google.devtools.build.lib.skylarkinterface.SkylarkPrinter;
import com.google.devtools.build.lib.skylarkinterface.SkylarkSignature;
import com.google.devtools.build.lib.syntax.BaseFunction;
@@ -209,19 +207,6 @@ public class SkylarkRuleClassFunctions implements SkylarkRuleFunctionsApi<Artifa
};
@SkylarkSignature(
- name = "struct",
- returnType = Info.class,
- doc =
- "Creates an immutable struct using the keyword arguments as attributes. It is used to "
- + "group multiple values together. Example:<br>"
- + "<pre class=\"language-python\">s = struct(x = 2, y = 3)\n"
- + "return s.x + getattr(s, \"y\") # returns 5</pre>",
- extraKeywords = @Param(name = "kwargs", doc = "the struct attributes."),
- useLocation = true
- )
- private static final NativeProvider<?> struct = NativeProvider.STRUCT;
-
- @SkylarkSignature(
name = "DefaultInfo",
returnType = Provider.class,
doc =
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleConfiguredTargetUtil.java b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleConfiguredTargetUtil.java
index 5dd147985f..2c9b62fe6b 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleConfiguredTargetUtil.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleConfiguredTargetUtil.java
@@ -39,6 +39,7 @@ import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.Rule;
import com.google.devtools.build.lib.packages.RuleClass.ConfiguredTargetFactory.RuleErrorException;
import com.google.devtools.build.lib.packages.SkylarkProviderIdentifier;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.packages.TargetUtils;
import com.google.devtools.build.lib.skylarkinterface.SkylarkValue;
import com.google.devtools.build.lib.syntax.BaseFunction;
@@ -295,7 +296,7 @@ public final class SkylarkRuleConfiguredTargetUtil {
SkylarkRuleContext context, RuleConfiguredTargetBuilder builder, Object target, Location loc)
throws EvalException {
- Info oldStyleProviders = NativeProvider.STRUCT.createEmpty(loc);
+ Info oldStyleProviders = StructProvider.STRUCT.createEmpty(loc);
ArrayList<Info> declaredProviders = new ArrayList<>();
if (target instanceof Info) {
@@ -303,7 +304,7 @@ public final class SkylarkRuleConfiguredTargetUtil {
Info struct = (Info) target;
// Use the creation location of this struct as a better reference in error messages
loc = struct.getCreationLoc();
- if (struct.getProvider().getKey().equals(NativeProvider.STRUCT.getKey())) {
+ if (struct.getProvider().getKey().equals(StructProvider.STRUCT.getKey())) {
// Old-style struct, but it may contain declared providers
oldStyleProviders = struct;
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleContext.java b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleContext.java
index 75e4f635d3..df2b386c4f 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleContext.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/skylark/SkylarkRuleContext.java
@@ -56,11 +56,11 @@ import com.google.devtools.build.lib.packages.BuildType;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction.SkylarkImplicitOutputsFunction;
import com.google.devtools.build.lib.packages.Info;
-import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.OutputFile;
import com.google.devtools.build.lib.packages.Package;
import com.google.devtools.build.lib.packages.Provider;
import com.google.devtools.build.lib.packages.RawAttributeMapper;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.shell.ShellUtils;
import com.google.devtools.build.lib.shell.ShellUtils.TokenizationException;
import com.google.devtools.build.lib.skylarkbuildapi.FileApi;
@@ -452,7 +452,7 @@ public final class SkylarkRuleContext implements SkylarkRuleContextApi {
}
}
- return NativeProvider.STRUCT.create(
+ return StructProvider.STRUCT.create(
splitAttrInfos.build(),
"No attribute '%s' in split_attr. Make sure that this attribute is defined with a "
+ "split configuration.");
diff --git a/src/main/java/com/google/devtools/build/lib/bazel/repository/skylark/SkylarkRepositoryContext.java b/src/main/java/com/google/devtools/build/lib/bazel/repository/skylark/SkylarkRepositoryContext.java
index a3f70b3813..b796384896 100644
--- a/src/main/java/com/google/devtools/build/lib/bazel/repository/skylark/SkylarkRepositoryContext.java
+++ b/src/main/java/com/google/devtools/build/lib/bazel/repository/skylark/SkylarkRepositoryContext.java
@@ -27,8 +27,8 @@ import com.google.devtools.build.lib.cmdline.Label;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.packages.Attribute;
import com.google.devtools.build.lib.packages.Info;
-import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.Rule;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.rules.repository.RepositoryFunction;
import com.google.devtools.build.lib.rules.repository.RepositoryFunction.RepositoryFunctionException;
import com.google.devtools.build.lib.rules.repository.WorkspaceAttributeMapper;
@@ -111,7 +111,7 @@ public class SkylarkRepositoryContext {
(com.google.devtools.build.lib.syntax.Environment) null));
}
}
- attrObject = NativeProvider.STRUCT.create(attrBuilder.build(), "No such attribute '%s'");
+ attrObject = StructProvider.STRUCT.create(attrBuilder.build(), "No such attribute '%s'");
}
@SkylarkCallable(
diff --git a/src/main/java/com/google/devtools/build/lib/packages/Attribute.java b/src/main/java/com/google/devtools/build/lib/packages/Attribute.java
index 933790f253..0bc32e4291 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/Attribute.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/Attribute.java
@@ -1513,7 +1513,7 @@ public final class Attribute implements Comparable<Attribute> {
private Object invokeCallback(EventHandler eventHandler, Map<String, Object> attrValues)
throws EvalException, InterruptedException {
ClassObject attrs =
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
attrValues, "No such regular (non computed) attribute '%s'.");
Object result = callback.call(eventHandler, attrs);
try {
diff --git a/src/main/java/com/google/devtools/build/lib/packages/ImplicitOutputsFunction.java b/src/main/java/com/google/devtools/build/lib/packages/ImplicitOutputsFunction.java
index 33bc2cfa76..96388f297d 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/ImplicitOutputsFunction.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/ImplicitOutputsFunction.java
@@ -105,7 +105,7 @@ public abstract class ImplicitOutputsFunction {
}
}
ClassObject attrs =
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
attrValues,
"Attribute '%s' either doesn't exist "
+ "or uses a select() (i.e. could have multiple values)");
diff --git a/src/main/java/com/google/devtools/build/lib/packages/NativeProvider.java b/src/main/java/com/google/devtools/build/lib/packages/NativeProvider.java
index 20e649b0e4..c59d81e763 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/NativeProvider.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/NativeProvider.java
@@ -13,7 +13,6 @@
// limitations under the License.
package com.google.devtools.build.lib.packages;
-import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
@@ -23,7 +22,6 @@ import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.syntax.FunctionSignature;
import com.google.devtools.build.lib.syntax.SkylarkType;
import com.google.devtools.build.lib.util.Pair;
-import java.util.Map;
import javax.annotation.Nullable;
/**
@@ -40,8 +38,7 @@ import javax.annotation.Nullable;
* </pre>
*
* To allow construction from Skylark and custom construction logic, override {@link
- * Provider#createInstanceFromSkylark(Object[], Environment, Location)} (see {@link #STRUCT} for an
- * example.
+ * ProviderFromFunction#createInstanceFromSkylark(Object[], Environment, Location)}.
*
* @deprecated use {@link BuiltinProvider} instead.
*/
@@ -51,9 +48,6 @@ public abstract class NativeProvider<V extends Info> extends ProviderFromFunctio
private final NativeKey key;
private final String errorMessageFormatForUnknownField;
- /** "struct" function. */
- public static final StructProvider STRUCT = new StructProvider();
-
private final Class<V> valueClass;
public Class<V> getValueClass() {
@@ -72,42 +66,6 @@ public abstract class NativeProvider<V extends Info> extends ProviderFromFunctio
String getSkylarkName();
}
- /**
- * The provider for the built-in type {@code struct}.
- *
- * <p>Its singleton instance is {@link #STRUCT}.
- */
- public static final class StructProvider extends NativeProvider<Info> {
- private StructProvider() {
- super(Info.class, "struct");
- }
-
- @Override
- protected Info createInstanceFromSkylark(Object[] args, Environment env, Location loc) {
- @SuppressWarnings("unchecked")
- Map<String, Object> kwargs = (Map<String, Object>) args[0];
- return SkylarkInfo.createSchemaless(this, kwargs, loc);
- }
-
- /**
- * Creates a struct with the he given field values and message format for unknown fields.
- *
- * <p>The custom message is useful for objects that have fields but aren't exactly used as
- * providers, such as the {@code native} object, and the struct fields of {@code ctx} like
- * {@code ctx.attr}.
- * */
- public SkylarkInfo create(
- Map<String, Object> values, String errorMessageFormatForUnknownField) {
- return SkylarkInfo.createSchemalessWithCustomMessage(
- this, values, errorMessageFormatForUnknownField);
- }
-
- /** Creates an empty struct with the given location. */
- public SkylarkInfo createEmpty(Location loc) {
- return SkylarkInfo.createSchemaless(this, ImmutableMap.of(), loc);
- }
- }
-
private static final FunctionSignature.WithValues<Object, SkylarkType> SIGNATURE =
FunctionSignature.WithValues.create(FunctionSignature.KWARGS);
diff --git a/src/main/java/com/google/devtools/build/lib/packages/PackageFactory.java b/src/main/java/com/google/devtools/build/lib/packages/PackageFactory.java
index ad682b6d33..71bf904666 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/PackageFactory.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/PackageFactory.java
@@ -1514,7 +1514,7 @@ public final class PackageFactory {
builder.put(function.getName(), function);
}
}
- return NativeProvider.STRUCT.create(builder.build(), "no native function or rule '%s'");
+ return StructProvider.STRUCT.create(builder.build(), "no native function or rule '%s'");
}
private void buildPkgEnv(
diff --git a/src/main/java/com/google/devtools/build/lib/packages/StructProvider.java b/src/main/java/com/google/devtools/build/lib/packages/StructProvider.java
new file mode 100644
index 0000000000..21f847528b
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/packages/StructProvider.java
@@ -0,0 +1,62 @@
+// Copyright 2018 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.google.devtools.build.lib.packages;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.devtools.build.lib.events.Location;
+import com.google.devtools.build.lib.skylarkbuildapi.StructApi;
+import com.google.devtools.build.lib.syntax.EvalException;
+import com.google.devtools.build.lib.syntax.SkylarkDict;
+import java.util.Map;
+
+/**
+ * The provider for the built-in type {@code struct}.
+ *
+ * <p>Its singleton instance is {@link StructProvider#STRUCT}.
+ */
+public final class StructProvider extends BuiltinProvider<Info>
+ implements StructApi.StructProviderApi {
+
+ /** "struct" function. */
+ public static final StructProvider STRUCT = new StructProvider();
+
+ StructProvider() {
+ super("struct", Info.class);
+ }
+
+ @Override
+ public Info createStruct(SkylarkDict<?, ?> kwargs, Location loc) throws EvalException {
+ return SkylarkInfo.createSchemaless(
+ this, kwargs.getContents(String.class, Object.class, "kwargs"), loc);
+ }
+
+ /**
+ * Creates a struct with the he given field values and message format for unknown fields.
+ *
+ * <p>The custom message is useful for objects that have fields but aren't exactly used as
+ * providers, such as the {@code native} object, and the struct fields of {@code ctx} like
+ * {@code ctx.attr}.
+ * */
+ public SkylarkInfo create(
+ Map<String, Object> values, String errorMessageFormatForUnknownField) {
+ return SkylarkInfo.createSchemalessWithCustomMessage(
+ this, values, errorMessageFormatForUnknownField);
+ }
+
+ /** Creates an empty struct with the given location. */
+ public SkylarkInfo createEmpty(Location loc) {
+ return SkylarkInfo.createSchemaless(this, ImmutableMap.of(), loc);
+ }
+}
diff --git a/src/main/java/com/google/devtools/build/lib/packages/WorkspaceFactory.java b/src/main/java/com/google/devtools/build/lib/packages/WorkspaceFactory.java
index 5d55d31012..b9d86ad461 100644
--- a/src/main/java/com/google/devtools/build/lib/packages/WorkspaceFactory.java
+++ b/src/main/java/com/google/devtools/build/lib/packages/WorkspaceFactory.java
@@ -569,7 +569,7 @@ public class WorkspaceFactory {
}
builder.put("bazel_version", version);
- return NativeProvider.STRUCT.create(builder.build(), "no native function or rule '%s'");
+ return StructProvider.STRUCT.create(builder.build(), "no native function or rule '%s'");
}
static ClassObject newNativeModule(RuleClassProvider ruleClassProvider, String version) {
diff --git a/src/main/java/com/google/devtools/build/lib/rules/core/CoreRules.java b/src/main/java/com/google/devtools/build/lib/rules/core/CoreRules.java
index 75fa2d6840..90d44a5bd6 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/core/CoreRules.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/core/CoreRules.java
@@ -18,7 +18,6 @@ import com.google.devtools.build.lib.analysis.BaseRuleClasses;
import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider;
import com.google.devtools.build.lib.analysis.ConfiguredRuleClassProvider.RuleSet;
import com.google.devtools.build.lib.analysis.test.TestConfiguration;
-import com.google.devtools.build.lib.packages.NativeProvider;
/** A set of basic rules - Bazel won't work correctly without these. */
public final class CoreRules implements RuleSet {
@@ -38,7 +37,6 @@ public final class CoreRules implements RuleSet {
builder.addRuleDefinition(new BaseRuleClasses.BinaryBaseRule());
builder.addRuleDefinition(new BaseRuleClasses.TestBaseRule());
builder.addRuleDefinition(new BaseRuleClasses.ErrorRule());
- builder.addNativeProvider(NativeProvider.STRUCT);
}
@Override
diff --git a/src/main/java/com/google/devtools/build/lib/rules/objc/ObjcProviderSkylarkConverters.java b/src/main/java/com/google/devtools/build/lib/rules/objc/ObjcProviderSkylarkConverters.java
index c2fe4d631e..f7dc98aeb5 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/objc/ObjcProviderSkylarkConverters.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/objc/ObjcProviderSkylarkConverters.java
@@ -25,7 +25,7 @@ import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.packages.Info;
-import com.google.devtools.build.lib.packages.NativeProvider;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.rules.objc.ObjcProvider.Key;
import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.syntax.EvalUtils;
@@ -171,7 +171,7 @@ public class ObjcProviderSkylarkConverters {
NestedSetBuilder<Info> result = NestedSetBuilder.stableOrder();
for (BundleableFile bundleableFile : (Iterable<BundleableFile>) javaValue) {
result.add(
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
ImmutableMap.<String, Object>of(
BUNDLED_FIELD, bundleableFile.getBundled(),
BUNDLE_PATH_FIELD, bundleableFile.getBundlePath()),
diff --git a/src/main/java/com/google/devtools/build/lib/rules/python/PyCommon.java b/src/main/java/com/google/devtools/build/lib/rules/python/PyCommon.java
index 3a8c068a0e..ede9e0f6ee 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/python/PyCommon.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/python/PyCommon.java
@@ -43,8 +43,8 @@ import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.packages.BuildType;
import com.google.devtools.build.lib.packages.Info;
-import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.Rule;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.rules.cpp.CppFileTypes;
import com.google.devtools.build.lib.syntax.EvalException;
import com.google.devtools.build.lib.syntax.EvalUtils;
@@ -180,7 +180,7 @@ public final class PyCommon {
*/
public static Info createSourceProvider(
NestedSet<Artifact> transitivePythonSources, boolean isUsingSharedLibrary) {
- return NativeProvider.STRUCT.create(
+ return StructProvider.STRUCT.create(
ImmutableMap.<String, Object>of(
TRANSITIVE_PYTHON_SRCS,
SkylarkNestedSet.of(Artifact.class, transitivePythonSources),
diff --git a/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/StructApi.java b/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/StructApi.java
index 5e7b6820ac..debb5bd1f1 100644
--- a/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/StructApi.java
+++ b/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/StructApi.java
@@ -15,11 +15,14 @@
package com.google.devtools.build.lib.skylarkbuildapi;
import com.google.devtools.build.lib.events.Location;
+import com.google.devtools.build.lib.skylarkinterface.Param;
import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable;
+import com.google.devtools.build.lib.skylarkinterface.SkylarkConstructor;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModuleCategory;
import com.google.devtools.build.lib.skylarkinterface.SkylarkValue;
import com.google.devtools.build.lib.syntax.EvalException;
+import com.google.devtools.build.lib.syntax.SkylarkDict;
/** Interface for the "struct" object in the build API. */
@SkylarkModule(
@@ -72,4 +75,29 @@ public interface StructApi extends SkylarkValue {
+ "# {\"key\":{\"inner_key\":{\"inner_inner_key\":\"text\"}}}\n</pre>",
useLocation = true)
public String toJson(Location loc) throws EvalException;
+
+ /**
+ * Callable Provider for new struct objects.
+ */
+ @SkylarkModule(name = "Provider", documented = false, doc = "")
+ public interface StructProviderApi {
+
+ @SkylarkCallable(
+ name = "struct",
+ doc =
+ "Creates an immutable struct using the keyword arguments as attributes. It is used to "
+ + "group multiple values together. Example:<br>"
+ + "<pre class=\"language-python\">s = struct(x = 2, y = 3)\n"
+ + "return s.x + getattr(s, \"y\") # returns 5</pre>",
+ extraKeywords =
+ @Param(
+ name = "kwargs",
+ type = SkylarkDict.class,
+ defaultValue = "{}",
+ doc = "Dictionary of arguments."),
+ useLocation = true,
+ selfCall = true)
+ @SkylarkConstructor(objectType = StructApi.class, receiverNameForDoc = "struct")
+ public StructApi createStruct(SkylarkDict<?, ?> kwargs, Location loc) throws EvalException;
+ }
}
diff --git a/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/TopLevelBootstrap.java b/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/TopLevelBootstrap.java
index 910a67a39b..881b5fc2fa 100644
--- a/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/TopLevelBootstrap.java
+++ b/src/main/java/com/google/devtools/build/lib/skylarkbuildapi/TopLevelBootstrap.java
@@ -26,18 +26,21 @@ public class TopLevelBootstrap implements Bootstrap {
private final Class<? extends SkylarkCommandLineApi> skylarkCommandLineApi;
private final Class<? extends SkylarkNativeModuleApi> skylarkNativeModuleApi;
private final Class<? extends SkylarkRuleFunctionsApi<?>> skylarkRuleFunctionsApi;
+ private final StructApi.StructProviderApi structProvider;
public TopLevelBootstrap(
Class<? extends SkylarkBuildApiGlobals> skylarkBuildApiGlobals,
Class<? extends SkylarkAttrApi> skylarkAttrApi,
Class<? extends SkylarkCommandLineApi> skylarkCommandLineApi,
Class<? extends SkylarkNativeModuleApi> skylarkNativeModuleApi,
- Class<? extends SkylarkRuleFunctionsApi<?>> skylarkRuleFunctionsApi) {
+ Class<? extends SkylarkRuleFunctionsApi<?>> skylarkRuleFunctionsApi,
+ StructApi.StructProviderApi structProvider) {
this.skylarkAttrApi = skylarkAttrApi;
this.skylarkBuildApiGlobals = skylarkBuildApiGlobals;
this.skylarkCommandLineApi = skylarkCommandLineApi;
this.skylarkNativeModuleApi = skylarkNativeModuleApi;
this.skylarkRuleFunctionsApi = skylarkRuleFunctionsApi;
+ this.structProvider = structProvider;
}
@Override
@@ -47,5 +50,6 @@ public class TopLevelBootstrap implements Bootstrap {
Runtime.setupModuleGlobals(builder, skylarkCommandLineApi);
Runtime.setupModuleGlobals(builder, skylarkNativeModuleApi);
Runtime.setupModuleGlobals(builder, skylarkRuleFunctionsApi);
+ builder.put("struct", structProvider);
}
}
diff --git a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
index debf9f5ab2..13d1997bec 100644
--- a/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skylark/SkylarkRuleClassFunctionsTest.java
@@ -35,7 +35,6 @@ import com.google.devtools.build.lib.packages.Attribute;
import com.google.devtools.build.lib.packages.BuildType;
import com.google.devtools.build.lib.packages.ImplicitOutputsFunction;
import com.google.devtools.build.lib.packages.Info;
-import com.google.devtools.build.lib.packages.NativeProvider;
import com.google.devtools.build.lib.packages.PredicateWithMessage;
import com.google.devtools.build.lib.packages.RequiredProviders;
import com.google.devtools.build.lib.packages.RuleClass;
@@ -45,6 +44,7 @@ import com.google.devtools.build.lib.packages.SkylarkDefinedAspect;
import com.google.devtools.build.lib.packages.SkylarkInfo;
import com.google.devtools.build.lib.packages.SkylarkProvider;
import com.google.devtools.build.lib.packages.SkylarkProviderIdentifier;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.rules.cpp.transitions.DisableLipoTransition;
import com.google.devtools.build.lib.skyframe.SkylarkImportLookupFunction;
import com.google.devtools.build.lib.skylark.util.SkylarkTestCase;
@@ -1180,17 +1180,17 @@ public class SkylarkRuleClassFunctionsTest extends SkylarkTestCase {
}
private static Info makeStruct(String field, Object value) {
- return NativeProvider.STRUCT.create(ImmutableMap.of(field, value), "no field '%'");
+ return StructProvider.STRUCT.create(ImmutableMap.of(field, value), "no field '%'");
}
private static Info makeBigStruct(Environment env) {
// struct(a=[struct(x={1:1}), ()], b=(), c={2:2})
- return NativeProvider.STRUCT.create(
+ return StructProvider.STRUCT.create(
ImmutableMap.<String, Object>of(
"a",
MutableList.<Object>of(
env,
- NativeProvider.STRUCT.create(
+ StructProvider.STRUCT.create(
ImmutableMap.<String, Object>of(
"x", SkylarkDict.<Object, Object>of(env, 1, 1)),
"no field '%s'"),
@@ -1311,9 +1311,9 @@ public class SkylarkRuleClassFunctionsTest extends SkylarkTestCase {
"data = struct(x = 1)"
);
Info data = (Info) lookup("data");
- assertThat(NativeProvider.STRUCT.isExported()).isTrue();
- assertThat(data.getProvider()).isEqualTo(NativeProvider.STRUCT);
- assertThat(data.getProvider().getKey()).isEqualTo(NativeProvider.STRUCT.getKey());
+ assertThat(StructProvider.STRUCT.isExported()).isTrue();
+ assertThat(data.getProvider()).isEqualTo(StructProvider.STRUCT);
+ assertThat(data.getProvider().getKey()).isEqualTo(StructProvider.STRUCT.getKey());
}
@Test
@@ -1656,4 +1656,12 @@ public class SkylarkRuleClassFunctionsTest extends SkylarkTestCase {
assertThat(params.get(0)).isEqualTo("NoneType");
assertThat(params.get(1)).isEqualTo("NoneType");
}
+
+ @Test
+ public void testTypeOfStruct() throws Exception {
+ eval("p = type(struct)", "s = type(struct())");
+
+ assertThat(lookup("p")).isEqualTo("Provider");
+ assertThat(lookup("s")).isEqualTo("struct");
+ }
}
diff --git a/src/test/java/com/google/devtools/build/lib/syntax/EvalUtilsTest.java b/src/test/java/com/google/devtools/build/lib/syntax/EvalUtilsTest.java
index a34eab24ba..4c1810aa16 100644
--- a/src/test/java/com/google/devtools/build/lib/syntax/EvalUtilsTest.java
+++ b/src/test/java/com/google/devtools/build/lib/syntax/EvalUtilsTest.java
@@ -21,7 +21,7 @@ import static org.junit.Assert.fail;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
-import com.google.devtools.build.lib.packages.NativeProvider;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.skylarkinterface.SkylarkModule;
import com.google.devtools.build.lib.skylarkinterface.SkylarkPrinter;
import com.google.devtools.build.lib.skylarkinterface.SkylarkValue;
@@ -129,7 +129,7 @@ public class EvalUtilsTest extends EvaluationTestCase {
SkylarkDict.of(env, "key", 123),
SkylarkDict.of(env, 123, "value"),
NestedSetBuilder.stableOrder().add(1).add(2).add(3).build(),
- NativeProvider.STRUCT.create(ImmutableMap.of("key", (Object) "value"), "no field %s"),
+ StructProvider.STRUCT.create(ImmutableMap.of("key", (Object) "value"), "no field %s"),
};
for (int i = 0; i < objects.length; ++i) {
diff --git a/src/test/java/com/google/devtools/build/lib/syntax/SkylarkEvaluationTest.java b/src/test/java/com/google/devtools/build/lib/syntax/SkylarkEvaluationTest.java
index 3e0db3dd03..422ac033a5 100644
--- a/src/test/java/com/google/devtools/build/lib/syntax/SkylarkEvaluationTest.java
+++ b/src/test/java/com/google/devtools/build/lib/syntax/SkylarkEvaluationTest.java
@@ -24,6 +24,7 @@ import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable;
import com.google.devtools.build.lib.events.Location;
import com.google.devtools.build.lib.packages.NativeInfo;
import com.google.devtools.build.lib.packages.NativeProvider;
+import com.google.devtools.build.lib.packages.StructProvider;
import com.google.devtools.build.lib.skylarkinterface.Param;
import com.google.devtools.build.lib.skylarkinterface.ParamType;
import com.google.devtools.build.lib.skylarkinterface.SkylarkCallable;
@@ -385,7 +386,7 @@ public class SkylarkEvaluationTest extends EvaluationTest {
builder.put(nativeFunction,
FuncallExpression.getBuiltinCallable(this, nativeFunction));
}
- return NativeProvider.STRUCT.create(builder.build(), "no native callable '%s'");
+ return StructProvider.STRUCT.create(builder.build(), "no native callable '%s'");
}
@SkylarkCallable(