1 files changed, 141 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/runtime/ClientOptions.java b/src/main/java/com/google/devtools/build/lib/runtime/ClientOptions.java
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index 0000000000..db6f9882b8
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+++ b/src/main/java/com/google/devtools/build/lib/runtime/ClientOptions.java
@@ -0,0 +1,141 @@
+// 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.runtime;
+
+import com.google.devtools.common.options.Converter;
+import com.google.devtools.common.options.Converters;
+import com.google.devtools.common.options.Option;
+import com.google.devtools.common.options.OptionDocumentationCategory;
+import com.google.devtools.common.options.OptionEffectTag;
+import com.google.devtools.common.options.OptionMetadataTag;
+import com.google.devtools.common.options.OptionsBase;
+import com.google.devtools.common.options.OptionsParsingException;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Options that the Bazel client passes to server, which are then incorporated into the environment.
+ *
+ * <p>The rc file options are parsed in their own right and appear, if applicable, in the final
+ * value of the parsed options. The environment variables update the stored values in the
+ * CommandEnvironment. These options should never be accessed directly from this class after command
+ * environment initialization.
+ */
+public class ClientOptions extends OptionsBase {
+  /**
+   * A class representing a blazerc option. blazeRc is serial number of the rc file this option came
+   * from, option is the name of the option and value is its value (or null if not specified).
+   */
+  public static class OptionOverride {
+    final int blazeRc;
+    final String command;
+    final String option;
+
+    public OptionOverride(int blazeRc, String command, String option) {
+      this.blazeRc = blazeRc;
+      this.command = command;
+      this.option = option;
+    }
+
+    @Override
+    public String toString() {
+      return String.format("%d:%s=%s", blazeRc, command, option);
+    }
+  }
+
+  /** Converter for --default_override. The format is: --default_override=blazerc:command=option. */
+  public static class OptionOverrideConverter implements Converter<OptionOverride> {
+    static final String ERROR_MESSAGE =
+        "option overrides must be in form rcfile:command=option, where rcfile is a nonzero integer";
+
+    public OptionOverrideConverter() {}
+
+    @Override
+    public OptionOverride convert(String input) throws OptionsParsingException {
+      int colonPos = input.indexOf(':');
+      int assignmentPos = input.indexOf('=');
+
+      if (colonPos < 0) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      if (assignmentPos <= colonPos + 1) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      int blazeRc;
+      try {
+        blazeRc = Integer.valueOf(input.substring(0, colonPos));
+      } catch (NumberFormatException e) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      if (blazeRc < 0) {
+        throw new OptionsParsingException(ERROR_MESSAGE);
+      }
+
+      String command = input.substring(colonPos + 1, assignmentPos);
+      String option = input.substring(assignmentPos + 1);
+
+      return new OptionOverride(blazeRc, command, option);
+    }
+
+    @Override
+    public String getTypeDescription() {
+      return "blazerc option override";
+    }
+  }
+
+  @Option(
+    name = "client_env",
+    defaultValue = "",
+    documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
+    metadataTags = {OptionMetadataTag.HIDDEN},
+    effectTags = {OptionEffectTag.CHANGES_INPUTS},
+    converter = Converters.AssignmentConverter.class,
+    allowMultiple = true,
+    help = "A system-generated parameter which specifies the client's environment"
+  )
+  public List<Map.Entry<String, String>> clientEnv;
+
+  /**
+   * These are the actual default overrides. Each value is a tuple of (bazelrc index, command name,
+   * value). The blazerc index is a number used to find the blazerc in --rc_source's values.
+   *
+   * <p>For example: "--default_override=rc:build=--cpu=piii"
+   */
+  @Option(
+    name = "default_override",
+    defaultValue = "",
+    allowMultiple = true,
+    documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
+    effectTags = {OptionEffectTag.CHANGES_INPUTS},
+    metadataTags = {OptionMetadataTag.HIDDEN},
+    converter = OptionOverrideConverter.class,
+    help = ""
+  )
+  public List<OptionOverride> optionsOverrides;
+
+  /** This is the filename that the Blaze client parsed. */
+  @Option(
+    name = "rc_source",
+    defaultValue = "",
+    allowMultiple = true,
+    documentationCategory = OptionDocumentationCategory.UNDOCUMENTED,
+    effectTags = {OptionEffectTag.CHANGES_INPUTS},
+    metadataTags = {OptionMetadataTag.HIDDEN},
+    help = ""
+  )
+  public List<String> rcSource;
+}