Extract ParseInfo from CompilationInfo.

src/globals.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_GLOBALS_H_
 #define V8_GLOBALS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 434 matching lines @@
   VISIT_ALL,
   VISIT_ALL_IN_SCAVENGE,
   VISIT_ALL_IN_SWEEP_NEWSPACE,
   VISIT_ONLY_STRONG
 };
 
 // Flag indicating whether code is built into the VM (one of the natives files).
 enum NativesFlag { NOT_NATIVES_CODE, NATIVES_CODE };
 
 
+// ParseRestriction is used to restrict the set of valid statements in a
+// unit of compilation.  Restriction violations cause a syntax error.
+enum ParseRestriction {
+  NO_PARSE_RESTRICTION,         // All expressions are allowed.
+  ONLY_SINGLE_FUNCTION_LITERAL  // Only a single FunctionLiteral expression.
+};
+
 // A CodeDesc describes a buffer holding instructions and relocation
 // information. The instructions start at the beginning of the buffer
 // and grow forward, the relocation information starts at the end of
 // the buffer and grows backward.
 //
 //  |<--------------- buffer_size ---------------->|
 //  |<-- instr_size -->|        |<-- reloc_size -->|
 //  +==================+========+==================+
 //  |   instructions   |  free  |    reloc info    |
 //  +==================+========+==================+
@@ skipping 433 matching lines @@
   DCHECK(IsValidFunctionKind(kind));
   return kind &
          (FunctionKind::kBaseConstructor | FunctionKind::kSubclassConstructor |
           FunctionKind::kDefaultConstructor);
 }
 } }  // namespace v8::internal
 
 namespace i = v8::internal;
 
 #endif  // V8_GLOBALS_H_