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, 225 insertions, 0 deletions

diff --git a/third_party/mcpc/src/anydata.h b/third_party/mcpc/src/anydata.h
new file mode 100644
index 0000000..1188e05
--- /dev/null
+++ b/third_party/mcpc/src/anydata.h
@@ -0,0 +1,225 @@
+// 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_anydata
+#define h_anydata
+
+#include <stddef.h>
+
+#include "ext_stdint.h"
+
+#include <mcpc/_c23_keywords.h>
+#include <mcpc/_c23_uchar.h>
+
+#include <mcpc/anydata.h>
+#include <mcpc/errcode.h>
+
+// ---------------------------- anydata ----------------------------
+
+#ifdef MCPC_C23GIVUP_FIXENUM
+enum mcpc_anydata_flags
+#else
+enum mcpc_anydata_flags:u16_t
+#endif
+{
+  ANYDATA_FL_REQUIRED = 1 << 0,
+  ANYDATA_FL_TOOL = 1 << 1,
+  ANYDATA_FL_TOOLPROP = 1 << 2,
+  ANYDATA_FL_RSC = 1 << 3,
+  ANYDATA_FL_PRMPT = 1 << 4,
+  ANYDATA_FL_PRMPTARG = 1 << 5,
+  ANYDATA_FL_USRCBRES_TOOLCALL = 1 << 6,
+  ANYDATA_FL_USRCBRES_TOOLCALL_TXTCTN = 1 << 7,
+  ANYDATA_FL_USRCBRES_TOOLCALL_IMGCTN = 1 << 8,
+  ANYDATA_FL_USRCBRES_PRMPTCALL = 1 << 9,
+  ANYDATA_FL_USRCBRES_PRMPTCALL_ASSIST = 1 << 10,
+  ANYDATA_FL_COMPLT = 1 << 11,
+  ANYDATA_FL_PRMPTARGHINT = 1 << 12,
+  ANYDATA_FL_PRESENT = 1 << 13,
+};
+typedef enum mcpc_anydata_flags mcpc_anydata_flags_t;
+
+struct mcpc_anydata
+{
+  u8_t meta1_len;
+  mcpc_mime_t data_mime;
+  mcpc_anytype_t data_typ;
+  mcpc_anydata_flags_t flags;
+  u16_t meta2_len;
+  size_t data_len;
+  const char8_t *meta1;
+  const char8_t *meta2;
+  mcpc_anypool_t *chd_pool;
+  union
+  {
+    uintmax_t data_intlk;
+    uintptr_t *data_arrlk;
+  };
+};
+
+mcpc_anydata_t *mcpc_anydata_new ();
+
+mcpc_anydata_t *mcpc_anydata_new_typ (mcpc_anytype_t typ);
+
+mcpc_anydata_t *mcpc_anydata_new_meta1_meta2 (const char8_t * meta1,
+					      const size_t meta1_len, const char8_t * meta2, const size_t meta2_len);
+
+mcpc_anydata_t *mcpc_anydata_new_meta1nt_meta2nt (const char8_t * meta1nt, const char8_t * meta2nt);
+
+mcpc_anydata_t *mcpc_anydata_new_typ_meta1 (mcpc_anytype_t typ, const char8_t * meta1, const size_t meta1_len);
+
+mcpc_anydata_t *mcpc_anydata_new_typ_meta1_meta2 (mcpc_anytype_t typ,
+						  const char8_t * meta1,
+						  const size_t meta1_len, const char8_t * meta2,
+						  const size_t meta2_len);
+
+mcpc_anydata_t *mcpc_anydata_new_typ_meta1nt_meta2nt (mcpc_anytype_t typ,
+						      const char8_t * meta1nt, const char8_t * meta2nt);
+
+void mcpc_anydata_free (mcpc_anydata_t * data);
+
+void mcpc_anydata_copy (mcpc_anydata_t * dest_data, const mcpc_anydata_t * src_data);
+
+mcpc_errcode_t mcpc_anydata_set_meta1nt (mcpc_anydata_t * anydata, const char8_t * meta1);
+
+mcpc_errcode_t mcpc_anydata_set_i8 (mcpc_anydata_t * anydata, i8_t val);
+
+mcpc_errcode_t mcpc_anydata_set_u8 (mcpc_anydata_t * anydata, u8_t val);
+
+mcpc_errcode_t mcpc_anydata_set_i16 (mcpc_anydata_t * anydata, i16_t val);
+
+mcpc_errcode_t mcpc_anydata_set_u16 (mcpc_anydata_t * anydata, u16_t val);
+
+mcpc_errcode_t mcpc_anydata_set_i32 (mcpc_anydata_t * anydata, i32_t val);
+
+mcpc_errcode_t mcpc_anydata_set_u32 (mcpc_anydata_t * anydata, u32_t val);
+
+mcpc_errcode_t mcpc_anydata_set_i64 (mcpc_anydata_t * anydata, i64_t val);
+
+mcpc_errcode_t mcpc_anydata_set_u64 (mcpc_anydata_t * anydata, u64_t val);
+
+mcpc_errcode_t mcpc_anydata_set_func (mcpc_anydata_t * anydata, void *val);
+
+mcpc_errcode_t mcpc_anydata_get_i8 (const mcpc_anydata_t * anydata, i8_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_u8 (const mcpc_anydata_t * anydata, u8_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_i16 (const mcpc_anydata_t * anydata, i16_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_u16 (const mcpc_anydata_t * anydata, u16_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_i32 (const mcpc_anydata_t * anydata, i32_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_u32 (const mcpc_anydata_t * anydata, u32_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_i64 (const mcpc_anydata_t * anydata, i64_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_u64 (const mcpc_anydata_t * anydata, u64_t * ret);
+
+mcpc_errcode_t mcpc_anydata_get_func (const mcpc_anydata_t * anydata, void *ret);
+
+mcpc_errcode_t mcpc_anydata_set_i8s (mcpc_anydata_t * anydata, const i8_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_u8s (mcpc_anydata_t * anydata, const u8_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_i16s (mcpc_anydata_t * anydata, const i16_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_u16s (mcpc_anydata_t * anydata, const u16_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_i32s (mcpc_anydata_t * anydata, const i32_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_u32s (mcpc_anydata_t * anydata, const u32_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_i64s (mcpc_anydata_t * anydata, const i64_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_u64s (mcpc_anydata_t * anydata, const u64_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_set_u8str (mcpc_anydata_t * anydata, const char8_t * arr, size_t arr_len);
+
+mcpc_errcode_t mcpc_anydata_get_i8s (const mcpc_anydata_t * anydata, i8_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_u8s (const mcpc_anydata_t * anydata, u8_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_i16s (const mcpc_anydata_t * anydata, i16_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_u16s (const mcpc_anydata_t * anydata, u16_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_i32s (const mcpc_anydata_t * anydata, i32_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_u32s (const mcpc_anydata_t * anydata, u32_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_i64s (const mcpc_anydata_t * anydata, i64_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_u64s (const mcpc_anydata_t * anydata, u64_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_get_u8str (const mcpc_anydata_t * anydata, char8_t * ret, size_t ret_cap, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_getref_u8str (const mcpc_anydata_t * anydata, const char8_t ** ret, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_getref_meta1 (const mcpc_anydata_t * anydata, const char8_t ** ret, size_t *ret_len);
+
+mcpc_errcode_t mcpc_anydata_getref_meta2 (const mcpc_anydata_t * anydata, const char8_t ** ret, size_t *ret_len);
+
+const mcpc_anydata_t *mcpc_anydata_get_child (const mcpc_anydata_t * anydata, size_t idx);
+
+void mcpc_anydata_add_child (mcpc_anydata_t * data, mcpc_anydata_t * child);
+
+void mcpc_anydata_addcpy_child (mcpc_anydata_t * data, const mcpc_anydata_t * child);
+
+// ---------------------------- anypool ----------------------------
+
+#ifdef MCPC_C23GIVUP_FIXENUM
+enum mcpc_anypool_flags
+#else
+enum mcpc_anypool_flags:u16_t
+#endif
+{
+  ANYPOOL_FL_USRCBRES_TOOLCALL = 1 << 0,
+  ANYPOOL_FL_USRCBRES_TOOLCALL_ERROR = 1 << 1,
+  ANYPOOL_FL_USRCBRES_PRMPTCALL = 1 << 2,
+};
+typedef enum mcpc_anypool_flags mcpc_anypool_flags_t;
+
+struct mcpc_anypool
+{
+  mcpc_anypool_flags_t flags;
+  size_t cap;
+  size_t len;
+  const mcpc_anydata_t *head;
+};
+
+const mcpc_anydata_t *mcpc_anypool_get (const mcpc_anypool_t * anypool, size_t idx);
+
+const mcpc_anydata_t *mcpc_anypool_getbymeta1 (const mcpc_anypool_t * anypool, const char8_t * meta1, size_t meta1_len);
+
+const mcpc_anydata_t *mcpc_anypool_getbymeta1nt (const mcpc_anypool_t * pool, const char8_t * meta1nt);
+
+mcpc_anypool_t *mcpc_anypool_new ();
+
+void mcpc_anypool_free (mcpc_anypool_t * anypool);
+
+void mcpc_anypool_copy (mcpc_anypool_t * dest_pool, const mcpc_anypool_t * src_pool);
+
+void mcpc_anypool_addfre (mcpc_anypool_t * anypool, mcpc_anydata_t * tmp_data);
+
+void mcpc_anypool_addcpy (mcpc_anypool_t * anypool, const mcpc_anydata_t * tmp_data);
+
+#endif