Allow PNaCl NMF to set translator optimization options for experimentation.

ppapi/native_client/src/trusted/plugin/json_manifest.h

 /*
  * Copyright (c) 2012 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // Manifest processing for JSON manifests.
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_JSON_MANIFEST_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_JSON_MANIFEST_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "native_client/src/include/nacl_macros.h"
 #include "native_client/src/include/nacl_string.h"
 #include "native_client/src/trusted/plugin/manifest.h"
 #include "third_party/jsoncpp/source/include/json/value.h"
 
 namespace pp {
 class URLUtil_Dev;
 }  // namespace pp
 
 namespace plugin {
 
 class ErrorInfo;
+class PnaclOptions;
 
 class JsonManifest : public Manifest {
  public:
   JsonManifest(const pp::URLUtil_Dev* url_util,
            const nacl::string& manifest_base_url,
            const nacl::string& sandbox_isa,
            bool prefer_portable)
       : url_util_(url_util),
         manifest_base_url_(manifest_base_url),
         sandbox_isa_(sandbox_isa),
         prefer_portable_(prefer_portable),
         dictionary_(Json::nullValue) { }
   virtual ~JsonManifest() { }
 
   // Initialize the manifest object for use by later lookups.  The return
   // value is true if the manifest parses correctly and matches the schema.
   bool Init(const nacl::string& json, ErrorInfo* error_info);
 
   // Gets the full program URL for the current sandbox ISA from the
-  // manifest file. Sets |pnacl_translate| to |true| if the program is
-  // portable bitcode that must be translated.
+  // manifest file.
   virtual bool GetProgramURL(nacl::string* full_url,
-                             nacl::string* cache_identity,
-                             ErrorInfo* error_info,
-                             bool* pnacl_translate) const;
+                             PnaclOptions* pnacl_options,
+                             ErrorInfo* error_info) const;
 
   // Resolves a URL relative to the manifest base URL
   virtual bool ResolveURL(const nacl::string& relative_url,
                           nacl::string* full_url,
                           ErrorInfo* error_info) const;
 
   // Gets the file names from the "files" section of the manifest.  No
   // checking that the keys' values are proper ISA dictionaries -- it
   // is assumed that other consistency checks take care of that, and
   // that the keys are appropriate for use with ResolveKey.
   virtual bool GetFileKeys(std::set<nacl::string>* keys) const;
 
   // Resolves a key from the "files" section to a fully resolved URL,
   // i.e., relative URL values are fully expanded relative to the
-  // manifest's URL (via ResolveURL).  |pnacl_translate| tells the caller
-  // whether the resolution requires a pnacl translation step.
+  // manifest's URL (via ResolveURL).
   // If there was an error, details are reported via error_info.
   virtual bool ResolveKey(const nacl::string& key,
                           nacl::string* full_url,
-                          nacl::string* cache_identity,
-                          ErrorInfo* error_info,
-                          bool* pnacl_translate) const;
+                          PnaclOptions* pnacl_options,
+                          ErrorInfo* error_info) const;
 
  private:
   NACL_DISALLOW_COPY_AND_ASSIGN(JsonManifest);
 
   // Checks that |dictionary_| is a valid manifest, according to the schema.
   // Returns true on success, and sets |error_info| to a detailed message
   // if not.
   bool MatchesSchema(ErrorInfo* error_info);
 
   const pp::URLUtil_Dev* url_util_;
   nacl::string manifest_base_url_;
   nacl::string sandbox_isa_;
   // Determines whether portable programs are chosen in manifest files over
   // native programs.
   bool prefer_portable_;
 
   Json::Value dictionary_;
 };
 
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_JSON_MANIFEST_H_