Use messages for (some) public API errors

pkg/front_end/lib/src/fasta/fasta_codes_generated.dart

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // NOTE: THIS FILE IS GENERATED. DO NOT EDIT.
 //
 // Instead modify 'pkg/front_end/messages.yaml' and run
 // 'pkg/front_end/tool/_fasta/generate_messages.dart' to update.
 
 part of fasta.codes;
@@ skipping 95 matching lines @@
 const Code<Null> codeAwaitAsIdentifier = messageAwaitAsIdentifier;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageAwaitAsIdentifier = const MessageCode(
     "AwaitAsIdentifier",
     dart2jsCode: "*ignored*",
     message:
         r"""'await' can't be used as an identifier in 'async', 'async*', or 'sync*' methods.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<Message Function(String string)> templateMissingSdkSummary =
+    const Template<Message Function(String string)>(
+        messageTemplate: r"""SDK summary not found: #string.""",
+        withArguments: _withArgumentsMissingSdkSummary);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(String string)> codeMissingSdkSummary =
+    const Code<Message Function(String string)>(
+  "MissingSdkSummary",
+  templateMissingSdkSummary,
+);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsMissingSdkSummary(String string) {
+  return new Message(codeMissingSdkSummary,
+      message: """SDK summary not found: $string.""",
+      arguments: {'string': string});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeFactoryNotSync = messageFactoryNotSync;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageFactoryNotSync = const MessageCode("FactoryNotSync",
     dart2jsCode: "*ignored*",
     message: r"""Factories can't use 'async', 'async*', or 'sync*'.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Template<Message Function(String string, String name)>
     templateUnexpected =
@@ skipping 377 matching lines @@
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 Message _withArgumentsExpectedString(Token token) {
   String lexeme = token.lexeme;
   return new Message(codeExpectedString,
       message: """Expected a String, but got '$lexeme'.""",
       arguments: {'token': token});
 }
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<
+    Message Function(String string)> templateVerificationError = const Template<
+        Message Function(String string)>(
+    messageTemplate:
+        r"""An internal error was found while verifying the output of the compiler. #string""",
+    withArguments: _withArgumentsVerificationError);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(String string)> codeVerificationError =
+    const Code<Message Function(String string)>(
+  "VerificationError",
+  templateVerificationError,
+);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsVerificationError(String string) {
+  return new Message(codeVerificationError,
+      message:
+          """An internal error was found while verifying the output of the compiler. $string""",
+      arguments: {'string': string});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeFastaUsageShort = messageFastaUsageShort;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageFastaUsageShort =
     const MessageCode("FastaUsageShort", message: r"""Frequently used options:
 
   -o <file> Generate the output into <file>.
   -h        Display this message (add -v for information about all options).""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
@@ skipping 306 matching lines @@
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageInvalidAwaitFor = const MessageCode("InvalidAwaitFor",
     dart2jsCode: "INVALID_AWAIT_FOR",
     message:
         r"""'await' is only supported in methods with an 'async' or 'async*' body modifier.""",
     tip:
         r"""Try adding 'async' or 'async*' to the method body or removing the 'await' keyword.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<Message Function(String string)> templateMissingInputFile =
+    const Template<Message Function(String string)>(
+        messageTemplate: r"""Input file not found: #string.""",
+        withArguments: _withArgumentsMissingInputFile);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(String string)> codeMissingInputFile =
+    const Code<Message Function(String string)>(
+  "MissingInputFile",
+  templateMissingInputFile,
+);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsMissingInputFile(String string) {
+  return new Message(codeMissingInputFile,
+      message: """Input file not found: $string.""",
+      arguments: {'string': string});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Template<Message Function(Token token)> templateExpectedType =
     const Template<Message Function(Token token)>(
         messageTemplate: r"""Expected a type, but got '#lexeme'.""",
         withArguments: _withArgumentsExpectedType);
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Message Function(Token token)> codeExpectedType =
     const Code<Message Function(Token token)>(
         "ExpectedType", templateExpectedType,
         dart2jsCode: "*fatal*");
@@ skipping 125 matching lines @@
 
   --fatal=errors
   --fatal=warnings
   --fatal=nits
     Makes messages of the given kinds fatal, that is, immediately stop the
     compiler with a non-zero exit-code. In --verbose mode, also display an
     internal stack trace from the compiler. Multiple kinds can be separated by
     commas, for example, --fatal=errors,warnings.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Null> codeMissingMain = messageMissingMain;
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const MessageCode messageMissingMain = const MessageCode("MissingMain",
+    dart2jsCode: "MISSING_MAIN",
+    message: r"""No 'main' method found.""",
+    tip: r"""Try adding a method named 'main' to your program.""");
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeAwaitForNotAsync = messageAwaitForNotAsync;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageAwaitForNotAsync = const MessageCode(
     "AwaitForNotAsync",
     dart2jsCode: "*ignored*",
     message:
         r"""Asynchronous for-loop can only be used in 'async' or 'async*' methods.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
@@ skipping 75 matching lines @@
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeTypeRequired = messageTypeRequired;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageTypeRequired = const MessageCode("TypeRequired",
     message: r"""A type or modifier is required here.""",
     tip: r"""Try adding a type, 'var', 'const', or 'final'.""");
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Template<Message Function(String string)> templateMissingSdkRoot =
+    const Template<Message Function(String string)>(
+        messageTemplate: r"""SDK root directory not found: #string.""",
+        withArguments: _withArgumentsMissingSdkRoot);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+const Code<Message Function(String string)> codeMissingSdkRoot =
+    const Code<Message Function(String string)>(
+  "MissingSdkRoot",
+  templateMissingSdkRoot,
+);
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
+Message _withArgumentsMissingSdkRoot(String string) {
+  return new Message(codeMissingSdkRoot,
+      message: """SDK root directory not found: $string.""",
+      arguments: {'string': string});
+}
+
+// DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const Code<Null> codeInvalidVoid = messageInvalidVoid;
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 const MessageCode messageInvalidVoid = const MessageCode("InvalidVoid",
     dart2jsCode: "VOID_NOT_ALLOWED",
     message:
         r"""Type 'void' can't be used here because it isn't a return type.""",
     tip:
         r"""Try removing 'void' keyword or replace it with 'var', 'final', or a type.""");
 
@@ skipping 139 matching lines @@
 
 // DO NOT EDIT. THIS FILE IS GENERATED. SEE TOP OF FILE.
 Message _withArgumentsNonAsciiIdentifier(String character, int codePoint) {
   String unicode = "(U+${codePoint.toRadixString(16).padLeft(4, '0')})";
   return new Message(codeNonAsciiIdentifier,
       message:
           """The non-ASCII character '$character' ($unicode) can't be used in identifiers, only in strings and comments.""",
       tip: """Try using an US-ASCII letter, a digit, '_' (an underscore), or '\$' (a dollar sign).""",
       arguments: {'character': character, 'codePoint': codePoint});
 }