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Add arbitrary string type to the native object API (#4218)

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* Custom strings are very common for optimizations around small objects
  or growth style optimizations, i.e.: grow at 1.57 times vs doubling vs..

  A second common strategy is to cooperate w/ the memory allocator
  see FBString[1] and seastar[2] string for examples.

[1] fbstring: https://github.com/facebook/folly/blob/master/folly/docs/FBString.md
[2] sstring: https://github.com/scylladb/seastar/blob/master/core/sstring.hh
This commit is contained in:
Alexander Gallego
2017-03-20 19:02:04 -04:00
committed by Wouter van Oortmerssen
parent 9c25ecdcd1
commit f2071e4f80
5 changed files with 35 additions and 2 deletions
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5
src/flatc.cpp
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@@ -86,6 +86,8 @@ std::string FlatCompiler::GetUsageString(const char* program_name) const {
" --escape-proto-ids Disable appending '_' in namespaces names.\n"
" --gen-object-api Generate an additional object-based API.\n"
" --cpp-ptr-type T Set object API pointer type (default std::unique_ptr)\n"
" --cpp-str-type T Set object API string type (default std::string)\n"
" T::c_str() and T::length() must be supported\n"
" --no-js-exports Removes Node.js style export lines in JS.\n"
" --goog-js-export Uses goog.exports* for closure compiler exporting in JS.\n"
" --raw-binary Allow binaries without file_indentifier to be read.\n"
@@ -178,6 +180,9 @@ int FlatCompiler::Compile(int argc, const char** argv) {
} else if (arg == "--cpp-ptr-type") {
if (++argi >= argc) Error("missing type following" + arg, true);
opts.cpp_object_api_pointer_type = argv[argi];
} else if (arg == "--cpp-str-type") {
if (++argi >= argc) Error("missing type following" + arg, true);
opts.cpp_object_api_string_type = argv[argi];
} else if(arg == "--gen-all") {
opts.generate_all = true;
opts.include_dependence_headers = false;