fix: MCPCをvendored fork化しMCP準拠と接続安定性を改善

- Git submoduleを廃止してMCPCを直接管理
- Windowsで254リクエスト付近に発生する切断を修正
- JSON-RPC 2.0エラー応答を標準化
- tool schemaとruntimeの必須・任意引数を一致
- 1000回連続呼び出しの回帰テストを追加

1 files changed, 150 insertions, 0 deletions

diff --git a/third_party/mcpc/src/tool.h b/third_party/mcpc/src/tool.h
new file mode 100644
index 0000000..7da9bcd
--- /dev/null
+++ b/third_party/mcpc/src/tool.h
@@ -0,0 +1,150 @@
+// This file is part of the mcpc library.
+//
+// Copyright (C) 2025 Michael Lee <micl2e2 AT proton.me>
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy of
+// this software and associated documentation files (the "Software"), to deal in
+// the Software without restriction, including without limitation the rights to
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do so,
+// subject to the following conditions: 
+// 
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software. 
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#ifndef h_tool
+#define h_tool
+
+#include <mcpc/tool.h>
+
+#include "ext_stdint.h"
+
+typedef mcpc_anypool_t mcpc_toolpool_t;
+typedef mcpc_anypool_t mcpc_toolproppool_t;
+
+// ---------------------------- toolprop ----------------------------
+
+void mcpc_toolprop_free (mcpc_toolprop_t * toolprop);
+
+mcpc_errcode_t mcpc_toolprop_getref_name (const mcpc_toolprop_t * toolprop, const char8_t ** ret, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_getref_desc (const mcpc_toolprop_t * toolprop, const char8_t ** ret, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_data_type (const mcpc_toolprop_t * toolprop, mcpc_anytype_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_set_nament (mcpc_toolprop_t * toolprop, const char8_t * name);
+
+mcpc_errcode_t mcpc_toolprop_set_i8 (mcpc_toolprop_t * toolprop, i8_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_u8 (mcpc_toolprop_t * toolprop, u8_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_i16 (mcpc_toolprop_t * toolprop, i16_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_u16 (mcpc_toolprop_t * toolprop, u16_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_i32 (mcpc_toolprop_t * toolprop, i32_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_u32 (mcpc_toolprop_t * toolprop, u32_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_i64 (mcpc_toolprop_t * toolprop, i64_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_u64 (mcpc_toolprop_t * toolprop, u64_t val);
+
+mcpc_errcode_t mcpc_toolprop_set_func (mcpc_toolprop_t * toolprop, void *val);
+
+mcpc_errcode_t mcpc_toolprop_get_i8 (const mcpc_toolprop_t * toolprop, i8_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_u8 (const mcpc_toolprop_t * toolprop, u8_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_i16 (const mcpc_toolprop_t * toolprop, i16_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_u16 (const mcpc_toolprop_t * toolprop, u16_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_i32 (const mcpc_toolprop_t * toolprop, i32_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_u32 (const mcpc_toolprop_t * toolprop, u32_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_i64 (const mcpc_toolprop_t * toolprop, i64_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_u64 (const mcpc_toolprop_t * toolprop, u64_t * ret);
+
+mcpc_errcode_t mcpc_toolprop_get_func (const mcpc_toolprop_t * toolprop, void *ret);
+
+mcpc_errcode_t mcpc_toolprop_set_i8s (mcpc_toolprop_t * toolprop, const i8_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_u8s (mcpc_toolprop_t * toolprop, const u8_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_i16s (mcpc_toolprop_t * toolprop, const i16_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_u16s (mcpc_toolprop_t * toolprop, const u16_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_i32s (mcpc_toolprop_t * toolprop, const i32_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_u32s (mcpc_toolprop_t * toolprop, const u32_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_i64s (mcpc_toolprop_t * toolprop, const i64_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_u64s (mcpc_toolprop_t * toolprop, const u64_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_set_u8str (mcpc_toolprop_t * toolprop, const char8_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_toolprop_get_i8s (const mcpc_toolprop_t * toolprop, i8_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_u8s (const mcpc_toolprop_t * toolprop, u8_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_i16s (const mcpc_toolprop_t * toolprop, i16_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_u16s (const mcpc_toolprop_t * toolprop, u16_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_i32s (const mcpc_toolprop_t * toolprop, i32_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_u32s (const mcpc_toolprop_t * toolprop, u32_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_i64s (const mcpc_toolprop_t * toolprop, i64_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_u64s (const mcpc_toolprop_t * toolprop, u64_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_toolprop_get_u8str (const mcpc_toolprop_t * toolprop, char8_t * ret, size_t ret_cap,
+					size_t *ret_len);
+
+const mcpc_toolproppool_t *mcpc_tool_get_toolproppool (const mcpc_tool_t * tool);
+
+// -------------------------- toolproppool --------------------------
+
+size_t mcpc_toolproppool_get_len (const mcpc_toolproppool_t * toolproppool);
+
+const mcpc_toolprop_t *mcpc_toolproppool_get (const mcpc_toolproppool_t * toolproppool, size_t idx);
+
+// ------------------------------ tool ------------------------------
+
+mcpc_errcode_t mcpc_tool_getref_name (const mcpc_tool_t * tool, const char8_t ** ret, size_t *ret_len);
+
+mcpc_errcode_t mcpc_tool_getref_desc (const mcpc_tool_t * tool, const char8_t ** ret, size_t *ret_len);
+
+void mcpc_tool_free (mcpc_tool_t * tool);
+
+// ---------------------------- toolpool ----------------------------
+
+mcpc_toolpool_t *mcpc_toolpool_new ();
+
+void mcpc_toolpool_free (mcpc_toolpool_t * toolpool);
+
+void mcpc_toolpool_addcpy (mcpc_toolpool_t * toolpool, const mcpc_tool_t * tool);
+
+void mcpc_toolpool_addfre (mcpc_toolpool_t * toolpool, mcpc_tool_t * tool);
+
+size_t mcpc_toolpool_get_len (const mcpc_toolpool_t * toolpool);
+
+const mcpc_tool_t *mcpc_toolpool_get (const mcpc_toolpool_t * toolpool, size_t idx);
+
+const mcpc_tool_t *mcpc_toolpool_getbyname (const mcpc_toolpool_t * toolpool, const char8_t * name, size_t name_len);
+
+
+#endif