Start building library

CMakeLists.txt

@@ -1,9 +1,9 @@
 cmake_minimum_required(VERSION 3.5)
 project(
-  project-name
-  VERSION 0.0.0
-  DESCRIPTION ""
-  HOMEPAGE_URL ""
+  weaseljson
+  VERSION 0.0.1
+  DESCRIPTION "A constant memory streaming json parser."
+  HOMEPAGE_URL "https://git.weaselab.dev/weaselab/weaseljson"
   LANGUAGES C CXX)
 set(CMAKE_CXX_STANDARD 20)
 
@@ -44,6 +44,55 @@ set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
 include(CTest)
 include(doctest)
 
+add_library(${PROJECT_NAME}-object OBJECT src/lib.cpp)
+target_compile_options(${PROJECT_NAME}-object PRIVATE -fno-exceptions
+                                                      -fvisibility=hidden)
+target_include_directories(${PROJECT_NAME}-object
+                           PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/include)
+
+if(NOT LD_EXE)
+  set(LD_EXE ld)
+endif()
+
+set(CMAKE_CXX_IMPLICIT_LINK_LIBRARIES "")
+
+add_custom_command(
+  OUTPUT ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.o
+  COMMAND ${LD_EXE} -r $<TARGET_OBJECTS:${PROJECT_NAME}-object> -o
+          ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.o
+  DEPENDS $<TARGET_OBJECTS:${PROJECT_NAME}-object>
+  COMMAND_EXPAND_LISTS)
+
+add_library(${PROJECT_NAME} SHARED ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.o)
+if(CMAKE_BUILD_TYPE STREQUAL Debug)
+  set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE CXX)
+else()
+  set_target_properties(${PROJECT_NAME} PROPERTIES LINKER_LANGUAGE C)
+endif()
+
+if(HAS_VERSION_SCRIPT)
+  target_link_options(
+    ${PROJECT_NAME} PRIVATE
+    LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/linker.map)
+endif()
+
+add_library(${PROJECT_NAME}-static STATIC ${CMAKE_BINARY_DIR}/${PROJECT_NAME}.o)
+if(CMAKE_BUILD_TYPE STREQUAL Debug)
+  set_target_properties(${PROJECT_NAME}-static PROPERTIES LINKER_LANGUAGE CXX)
+else()
+  set_target_properties(${PROJECT_NAME}-static PROPERTIES LINKER_LANGUAGE C)
+endif()
+if(NOT APPLE)
+  add_custom_command(
+    TARGET ${PROJECT_NAME}-static
+    POST_BUILD
+    COMMAND
+      ${CMAKE_OBJCOPY}
+      --keep-global-symbols=${CMAKE_CURRENT_SOURCE_DIR}/symbol-exports.txt
+      $<TARGET_FILE:${PROJECT_NAME}-static> || echo
+      "Proceeding with all symbols global in static library")
+endif()
+
 add_executable(mytest src/test.cpp)
 target_include_directories(mytest PRIVATE include)
 target_link_libraries(mytest PRIVATE doctest nanobench simdjson)

src/lib.cpp

@@ -0,0 +1,25 @@
+#include "parser3.h"
+#include "weaseljson.h"
+
+extern "C" {
+
+/** Create a parser. Increasing stack size increases memory usage but also
+ * increases the depth of nested json accepted. `callbacks` and `data` must
+ * outlive the returned parser. */
+__attribute__((visibility("default"))) WeaselJsonParser *
+WeaselJsonParser_create(int stackSize, const WeaselJsonCallbacks *callbacks,
+                        void *data) {}
+
+/** Restore the parser to its newly-created state */
+__attribute__((visibility("default"))) void
+WeaselJsonParser_reset(WeaselJsonParser *parser) {}
+
+/** Destroy the parser */
+__attribute__((visibility("default"))) void
+WeaselJsonParser_destroy(WeaselJsonParser *parser) {}
+
+/** Incrementally parse `len` more bytes starting at `buf`. `buf` may be
+ * modified. Call with `len` 0 to indicate end of data */
+__attribute__((visibility("default"))) WeaselJsonStatus
+WeaselJsonParser_parse(WeaselJsonParser *parser, char *buf, int len) {}
+}

symbol-exports.txt

@@ -0,0 +1,4 @@
+WeaselJsonParser_create
+WeaselJsonParser_reset
+WeaselJsonParser_destroy
+WeaselJsonParser_parse