Make the C++ generator use non-hardcoded namespaces.

- Make the C++ generator use program->get_namespace("cpp")
  instead of program->get_cpp_namespace()
- Eliminate the explicit "cpp_namespace" in t_program.
- Deprecate the cpp_namespace token.
- Update example .thrift files and syntax files.


git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@665513 13f79535-47bb-0310-9956-ffa450edef68

compiler/cpp/src/generate/t_cpp_generator.cc

@@ -297,8 +297,8 @@ void t_cpp_generator::init_generator() {
   }
 
   // Open namespace
-  ns_open_ = namespace_open(program_->get_cpp_namespace());
-  ns_close_ = namespace_close(program_->get_cpp_namespace());
+  ns_open_ = namespace_open(program_->get_namespace("cpp"));
+  ns_close_ = namespace_close(program_->get_namespace("cpp"));
 
   f_types_ <<
     ns_open_ << endl <<
@@ -2293,7 +2293,7 @@ void t_cpp_generator::generate_service_skeleton(t_service* tservice) {
   // Service implementation file includes
   string f_skeleton_name = get_out_dir()+svcname+"_server.skeleton.cpp";
 
-  string ns = namespace_prefix(tservice->get_program()->get_cpp_namespace());
+  string ns = namespace_prefix(tservice->get_program()->get_namespace("cpp"));
 
   ofstream f_skeleton;
   f_skeleton.open(f_skeleton_name.c_str());
@@ -2885,7 +2885,7 @@ string t_cpp_generator::type_name(t_type* ttype, bool in_typedef, bool arg) {
   if (program != NULL && program != program_) {
     pname =
       class_prefix +
-      namespace_prefix(program->get_cpp_namespace()) +
+      namespace_prefix(program->get_namespace("cpp")) +
       ttype->get_name();
   } else {
     pname = class_prefix + ttype->get_name();
@@ -3119,7 +3119,7 @@ string t_cpp_generator::local_reflection_name(const char* prefix, t_type* ttype,
   if (external &&
       ttype->get_program() != NULL &&
       ttype->get_program() != program_) {
-    nspace = namespace_prefix(ttype->get_program()->get_cpp_namespace());
+    nspace = namespace_prefix(ttype->get_program()->get_namespace("cpp"));
   }
 
   return nspace + "trlo_" + prefix + "_" + prog + "_" + name;

compiler/cpp/src/parse/t_program.h

@@ -160,14 +160,6 @@ class t_program : public t_doc {
 
   // Language specific namespace / packaging
 
-  void set_cpp_namespace(std::string cpp_namespace) {
-    cpp_namespace_ = cpp_namespace;
-  }
-
-  const std::string& get_cpp_namespace() const {
-    return cpp_namespace_;
-  }
-
   void add_cpp_include(std::string path) {
     cpp_includes_.push_back(path);
   }
@@ -291,9 +283,6 @@ class t_program : public t_doc {
   // Dynamic namespaces
   std::map<std::string, std::string> namespaces_;
 
-  // C++ namespace
-  std::string cpp_namespace_;
-
   // C++ extra includes
   std::vector<std::string> cpp_includes_;
 

compiler/cpp/src/thrifty.yy

@@ -254,11 +254,13 @@ Header:
         g_program->set_namespace($2, $3);
       }
     }
+/* TODO(dreiss): Get rid of this once everyone is using the new hotness. */
 | tok_cpp_namespace tok_identifier
     {
+      pwarning(1, "'cpp_namespace' is deprecated. Use 'namespace cpp' instead");
       pdebug("Header -> tok_cpp_namespace tok_identifier");
       if (g_parse_mode == PROGRAM) {
-        g_program->set_cpp_namespace($2);
+        g_program->set_namespace("cpp", $2);
       }
     }
 | tok_cpp_include tok_literal

test/ConstantsDemo.thrift

@@ -1,4 +1,4 @@
-cpp_namespace yozone
+namespace cpp yozone
 
 struct thing {
   1: i32 hello,

test/DebugProtoTest.thrift

@@ -1,4 +1,4 @@
-cpp_namespace thrift.test
+namespace cpp thrift.test
 
 struct Doubles {
  1: double nan,

test/DenseLinkingTest.thrift

@@ -14,7 +14,7 @@ If I messed up the naming of the reflection local typespecs,
 then compiling this should give errors because of doubly defined symbols.
 */
 
-cpp_namespace thrift.test
+namespace cpp thrift.test
 
 struct OneOfEachZZ {
   1: bool im_true,

test/DocTest.thrift

@@ -5,7 +5,7 @@
  */
 
 java_package thrift.test
-cpp_namespace thrift.test
+namespace cpp thrift.test
 
 // C++ comment
 /* c style comment */

test/OptionalRequiredTest.thrift

@@ -1,4 +1,4 @@
-cpp_namespace thrift.test
+namespace cpp thrift.test
 
 struct OldSchool {
   1: i16    im_int;

test/StressTest.thrift

@@ -1,4 +1,4 @@
-cpp_namespace test.stress
+namespace cpp test.stress
 
 service Service {
 

test/ThriftTest.thrift

@@ -1,5 +1,5 @@
 java_package thrift.test
-cpp_namespace thrift.test
+namespace cpp thrift.test
 ruby_namespace Thrift.Test
 perl_package ThriftTest
 csharp_namespace Thrift.Test
@@ -119,4 +119,4 @@ struct VersioningTestV2 {
        10: map<i32, i32> newmap,
        11: string newstring,
        12: i32 end_in_both
-}
+}

thrift.el

@@ -10,7 +10,7 @@
 (defconst thrift-font-lock-keywords
   (list
    '("#.*$" . font-lock-comment-face)  ;; perl style comments
-   '("\\<\\(include\\|struct\\|exception\\|typedef\\|cpp_namespace\\|java_package\\|cocoa_prefix\\|csharp_namespace\\|php_namespace\\|ruby_namespace\\|py_module\\|perl_package\\|smalltalk_category\\|smalltalk_prefix\\|const\\|enum\\|service\\|extends\\|void\\|async\\|throws\\|optional\\|required\\)\\>" . font-lock-keyword-face)  ;; keywords
+   '("\\<\\(include\\|struct\\|exception\\|typedef\\|java_package\\|cocoa_prefix\\|csharp_namespace\\|php_namespace\\|ruby_namespace\\|py_module\\|perl_package\\|smalltalk_category\\|smalltalk_prefix\\|const\\|enum\\|service\\|extends\\|void\\|async\\|throws\\|optional\\|required\\)\\>" . font-lock-keyword-face)  ;; keywords
    '("\\<\\(bool\\|byte\\|i16\\|i32\\|i64\\|double\\|string\\|binary\\|map\\|list\\|set\\)\\>" . font-lock-type-face)  ;; built-in types
    '("\\<\\([0-9]+\\)\\>" . font-lock-variable-name-face)   ;; ordinals
    '("\\<\\(\\w+\\)\\s-*(" (1 font-lock-function-name-face))  ;; functions

thrift.vim

@@ -30,7 +30,7 @@ syn region thriftStringDouble matchgroup=None start=+"+  end=+"+
 syn match thriftNumber "-\=\<\d\+\>" contained
 
 " Keywords
-syn keyword thriftKeyword namespace cpp_namespace java_package cocoa_prefix
+syn keyword thriftKeyword namespace java_package cocoa_prefix
 syn keyword thriftKeyword csharp_namespace smalltalk_category smalltalk_prefix
 syn keyword thriftKeyword php_namespace ruby_namespace py_module perl_package
 syn keyword thriftKeyword xsd_all xsd_optional xsd_nillable xsd_namespace xsd_attrs

tutorial/shared.thrift

@@ -5,7 +5,7 @@
  * these definitions.
  */
 
-cpp_namespace shared
+namespace cpp shared
 java_package shared
 perl_package shared
 

tutorial/tutorial.thrift

@@ -44,7 +44,7 @@ include "shared.thrift"
  * Thrift files can namespace, package, or prefix their output in various
  * target languages.
  */
-cpp_namespace tutorial
+namespace cpp tutorial
 java_package tutorial
 php_namespace tutorial
 perl_package tutorial