1 files changed, 56 insertions, 0 deletions
diff --git a/src/main/java/com/google/devtools/build/lib/syntax/StringLiteral.java b/src/main/java/com/google/devtools/build/lib/syntax/StringLiteral.java
new file mode 100644
index 0000000000..98d5045800
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/syntax/StringLiteral.java
@@ -0,0 +1,56 @@
+// Copyright 2014 Google Inc. 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.syntax;
+
+/**
+ * Syntax node for a string literal.
+ */
+public final class StringLiteral extends Literal<String> {
+
+  private final char quoteChar;
+
+  public StringLiteral(String value, char quoteChar) {
+    super(value);
+    this.quoteChar = quoteChar;
+  }
+
+  @Override
+  public String toString() {
+    return new StringBuilder()
+        .append(quoteChar)
+        .append(value.replace(Character.toString(quoteChar), "\\" + quoteChar))
+        .append(quoteChar)
+        .toString();
+  }
+
+  @Override
+  public void accept(SyntaxTreeVisitor visitor) {
+    visitor.visit(this);
+  }
+
+  /**
+   * Gets the quote character that was used for this string.  For example, if
+   * the string was 'hello, world!', then this method returns '\''.
+   *
+   * @return the character used to quote the string.
+   */
+  public char getQuoteChar() {
+    return quoteChar;
+  }
+
+  @Override
+  SkylarkType validate(ValidationEnvironment env) throws EvalException {
+    return SkylarkType.STRING;
+  }
+}