Merge pull request #14 from deeplex/dev/13-parse_context-state-API

feat: Add state API to `parse_context`

Author: BurningEnlightenment

.github/workflows/cpp-ci.yml

@@ -40,7 +40,7 @@ jobs:
         uses: lukka/run-vcpkg@v10
         with:
           vcpkgDirectory: ${{ github.workspace }}/build/vcpkg
-          vcpkgGitCommitId: 71d3fa60b67540e9bf5fde2bf2188f579ff09433
+          vcpkgGitCommitId: 1271068e139c1fc30bae405c0bca0e379e155bd2
           prependedCacheKey: compiler=${{ matrix.compiler }}
           #appendedCacheKey: r00
 
@@ -100,7 +100,7 @@ jobs:
         uses: lukka/run-vcpkg@v10
         with:
           vcpkgDirectory: ${{ github.workspace }}/../vcpkg
-          vcpkgGitCommitId: 71d3fa60b67540e9bf5fde2bf2188f579ff09433
+          vcpkgGitCommitId: 1271068e139c1fc30bae405c0bca0e379e155bd2
           prependedCacheKey: compiler=clang-15
           #appendedCacheKey: r00
 

CMakeLists.txt

@@ -109,6 +109,11 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
         /Zc:__cplusplus # correctly define the __cplusplus macro
     )
 endif()
+if (WIN32)
+    target_compile_definitions(compiler_settings INTERFACE
+        -D_ENABLE_EXTENDED_ALIGNED_STORAGE=1
+    )
+endif()
 
 
 ########################################################################

sources.cmake

@@ -31,6 +31,7 @@ dplx_target_sources(deeppack
         dp/layout_descriptor
         dp/macros
         dp/object_def
+        dp/state
         dp/tuple_def
 
         dp/codecs/auto_enum

src/dp_tests/test_input_stream.hpp

@@ -88,22 +88,25 @@ class simple_test_input_stream final : public dp::input_buffer
     }
 };
 
-class simple_test_parse_context final : private dp::parse_context
+class simple_test_parse_context final
 {
+    dp::parse_context ctx;
+
 public:
+    // NOLINTNEXTLINE(cppcoreguidelines-non-private-member-variables-in-classes)
     simple_test_input_stream stream;
 
     explicit simple_test_parse_context(
             std::span<std::byte const> const readBuffer,
             bool const initiallyEmpty = false)
-        : parse_context{stream}
+        : ctx{stream}
         , stream(readBuffer, initiallyEmpty)
     {
     }
 
     auto as_parse_context() noexcept -> dp::parse_context &
     {
-        return *this;
+        return ctx;
     }
 };
 

src/dp_tests/test_output_stream.hpp

@@ -250,22 +250,25 @@ class test_output_stream final : public dp::output_buffer
     }
 };
 
-class test_emit_context final : private dp::emit_context
+class test_emit_context final
 {
+    dp::emit_context ctx;
+
 public:
+    // NOLINTNEXTLINE(cppcoreguidelines-non-private-member-variables-in-classes)
     test_output_stream stream;
 
     explicit test_emit_context(
             std::initializer_list<std::size_t> const gatherBufferSizes,
             bool const initiallyEmpty = false)
-        : emit_context{stream}
+        : ctx{stream}
         , stream(gatherBufferSizes, initiallyEmpty)
     {
     }
 
     auto as_emit_context() noexcept -> dp::emit_context &
     {
-        return *this;
+        return ctx;
     }
 };
 

src/dplx/dp/items/parse_context.hpp

@@ -7,14 +7,36 @@
 
 #pragma once
 
+#include <cstddef>
+#include <memory_resource>
+
 #include <dplx/dp/fwd.hpp>
+#include <dplx/dp/state.hpp>
 
 namespace dplx::dp
 {
 
 struct parse_context
 {
     input_buffer &in;
+    state_store states;
+    link_store links;
+
+    explicit parse_context(
+            input_buffer &inStreamBuffer,
+            std::pmr::polymorphic_allocator<std::byte> const &allocator
+            = std::pmr::polymorphic_allocator<std::byte>{})
+        : in(inStreamBuffer)
+        , states(allocator)
+        , links(allocator)
+    {
+    }
+
+    [[nodiscard]] auto get_allocator() const noexcept
+            -> std::pmr::polymorphic_allocator<std::byte>
+    {
+        return states.get_allocator();
+    }
 };
 
 } // namespace dplx::dp