Move CommandLine, CommandLineItem, and ParamFileInfo from lib.analysis.actions -> lib.actions.
These are fundamental types that want to sit alongside types like Spawn.
RELNOTES: None
PiperOrigin-RevId: 185887971
diff --git a/src/main/java/com/google/devtools/build/lib/actions/CommandLine.java b/src/main/java/com/google/devtools/build/lib/actions/CommandLine.java
new file mode 100644
index 0000000..dcf1006
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/actions/CommandLine.java
@@ -0,0 +1,184 @@
+// Copyright 2014 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.actions;
+
+import com.google.common.base.Joiner;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Iterables;
+import com.google.devtools.build.lib.actions.Artifact.ArtifactExpander;
+import com.google.devtools.build.lib.collect.CollectionUtils;
+import com.google.devtools.build.lib.skyframe.serialization.ObjectCodec;
+import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec;
+import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.Strategy;
+import com.google.devtools.build.lib.skyframe.serialization.autocodec.AutoCodec.VisibleForSerialization;
+import com.google.devtools.build.lib.util.Fingerprint;
+
+/** A representation of a list of arguments. */
+@AutoCodec(strategy = Strategy.POLYMORPHIC)
+public abstract class CommandLine {
+ public static final ObjectCodec<CommandLine> CODEC = new CommandLine_AutoCodec();
+
+ @AutoCodec
+ @VisibleForSerialization
+ static class EmptyCommandLine extends CommandLine {
+ public static final ObjectCodec<EmptyCommandLine> CODEC =
+ new CommandLine_EmptyCommandLine_AutoCodec();
+
+ @Override
+ public Iterable<String> arguments() throws CommandLineExpansionException {
+ return ImmutableList.of();
+ }
+ }
+
+ public static final CommandLine EMPTY = new EmptyCommandLine();
+
+ /** Returns the command line. */
+ public abstract Iterable<String> arguments() throws CommandLineExpansionException;
+
+ /**
+ * Returns the evaluated command line with enclosed artifacts expanded by {@code artifactExpander}
+ * at execution time.
+ *
+ * <p>By default, this method just delegates to {@link #arguments()}, without performing any
+ * artifact expansion. Subclasses should override this method if they contain TreeArtifacts and
+ * need to expand them for proper argument evaluation.
+ */
+ public Iterable<String> arguments(ArtifactExpander artifactExpander)
+ throws CommandLineExpansionException {
+ return arguments();
+ }
+
+ public void addToFingerprint(ActionKeyContext actionKeyContext, Fingerprint fingerprint)
+ throws CommandLineExpansionException {
+ for (String s : arguments()) {
+ fingerprint.addString(s);
+ }
+ }
+
+ @AutoCodec
+ @VisibleForSerialization
+ static class ArgumentCommandLine extends CommandLine {
+ public static final ObjectCodec<ArgumentCommandLine> CODEC =
+ new CommandLine_ArgumentCommandLine_AutoCodec();
+
+ private Iterable<String> args;
+
+ ArgumentCommandLine(Iterable<String> args) {
+ this.args = args;
+ }
+
+ @Override
+ public Iterable<String> arguments() throws CommandLineExpansionException {
+ return args;
+ }
+ }
+
+ /** Returns a {@link CommandLine} backed by a copy of the given list of arguments. */
+ public static CommandLine of(Iterable<String> arguments) {
+ final Iterable<String> immutableArguments = CollectionUtils.makeImmutable(arguments);
+ return new ArgumentCommandLine(immutableArguments);
+ }
+
+ @AutoCodec
+ @VisibleForSerialization
+ static class ConcatenatedCommandLine extends CommandLine {
+ public static final ObjectCodec<ConcatenatedCommandLine> CODEC =
+ new CommandLine_ConcatenatedCommandLine_AutoCodec();
+
+ private ImmutableList<String> executableArgs;
+ private CommandLine commandLine;
+
+ @VisibleForSerialization
+ ConcatenatedCommandLine(ImmutableList<String> executableArgs, CommandLine commandLine) {
+ this.executableArgs = executableArgs;
+ this.commandLine = commandLine;
+ }
+
+ @Override
+ public Iterable<String> arguments() throws CommandLineExpansionException {
+ return Iterables.concat(executableArgs, commandLine.arguments());
+ }
+
+ @Override
+ public Iterable<String> arguments(ArtifactExpander artifactExpander)
+ throws CommandLineExpansionException {
+ return Iterables.concat(executableArgs, commandLine.arguments(artifactExpander));
+ }
+ }
+
+ /**
+ * Returns a {@link CommandLine} that is constructed by prepending the {@code executableArgs} to
+ * {@code commandLine}.
+ */
+ public static CommandLine concat(
+ final ImmutableList<String> executableArgs, final CommandLine commandLine) {
+ if (executableArgs.isEmpty()) {
+ return commandLine;
+ }
+ return new ConcatenatedCommandLine(executableArgs, commandLine);
+ }
+
+ @AutoCodec
+ @VisibleForSerialization
+ static class ReverseConcatenatedCommandLine extends CommandLine {
+ public static final ObjectCodec<ReverseConcatenatedCommandLine> CODEC =
+ new CommandLine_ReverseConcatenatedCommandLine_AutoCodec();
+
+ private ImmutableList<String> executableArgs;
+ private CommandLine commandLine;
+
+ @VisibleForSerialization
+ ReverseConcatenatedCommandLine(ImmutableList<String> executableArgs, CommandLine commandLine) {
+ this.executableArgs = executableArgs;
+ this.commandLine = commandLine;
+ }
+
+ @Override
+ public Iterable<String> arguments() throws CommandLineExpansionException {
+ return Iterables.concat(commandLine.arguments(), executableArgs);
+ }
+
+ @Override
+ public Iterable<String> arguments(ArtifactExpander artifactExpander)
+ throws CommandLineExpansionException {
+ return Iterables.concat(commandLine.arguments(artifactExpander), executableArgs);
+ }
+ }
+
+ /**
+ * Returns a {@link CommandLine} that is constructed by appending the {@code args} to {@code
+ * commandLine}.
+ */
+ public static CommandLine concat(
+ final CommandLine commandLine, final ImmutableList<String> args) {
+ if (args.isEmpty()) {
+ return commandLine;
+ }
+ return new ReverseConcatenatedCommandLine(args, commandLine);
+ }
+
+ /**
+ * This helps when debugging Blaze code that uses {@link CommandLine}s, as you can see their
+ * content directly in the variable inspector.
+ */
+ @Override
+ public String toString() {
+ try {
+ return Joiner.on(' ').join(arguments());
+ } catch (CommandLineExpansionException e) {
+ return "Error in expanding command line";
+ }
+ }
+}
