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, 89 insertions, 0 deletions

diff --git a/third_party/mcpc/mk/ccdefs-mingw.mk b/third_party/mcpc/mk/ccdefs-mingw.mk
new file mode 100644
index 0000000..4b36d0b
--- /dev/null
+++ b/third_party/mcpc/mk/ccdefs-mingw.mk
@@ -0,0 +1,89 @@
+ifneq (,$(and $(isnot_done_ccdefs),$(is_mingw)))
+    is_unix = xxx
+    CFLAGS += -Dis_mingw
+    CFLAGS += -Dis_win  # winapi?
+
+    wherecl = $(shell where cl)
+    ifneq (,$(wherecl))
+        found_cl = xxx
+    endif
+
+    # Use cl whenever possible
+    ifneq (,$(and $(found_cl),$(is_indirsh)))
+      CC = cl
+      is_cllike = xxx
+      is_winlib = xxx
+    else
+      # To find any other cc
+
+      # gh win2019 patch, intentionally to use gcc
+      ifneq (,$(is_win2019))
+          CC = gcc
+      endif
+      # GH win2022 patch, intentionally to use gcc
+      ifneq (,$(is_win2022))
+          CC = gcc
+      endif
+
+      cc_ver = $(shell $(CC) --version)
+      ifneq (,$(findstring Free Software Foundation,$(cc_ver)))
+          found_gcc = xxx
+      endif
+      ifneq (,$(found_gcc))
+          is_gcc = xxx
+          is_gcclike = xxx
+          is_unixar = xxx
+          is_winld = xxx
+          gcc_ver = $(shell $(CC) --version)
+          is_gcc8 = $(findstring 8.,$(gcc_ver))
+          is_gcc12 = $(findstring 12.,$(gcc_ver))
+          is_gcc13 = $(findstring 13.,$(gcc_ver))
+          is_gcc14 = $(findstring 14.,$(gcc_ver))
+      endif
+      ifneq (,$(found_clang))
+          is_clang = xxx
+          is_gcclike = xxx
+          is_unixar = xxx
+          is_winld = xxx
+          clang_ver = $(shell $(CC) --version)
+          is_clang18 = $(findstring 18.,$(clang_ver))
+          is_clang19 = $(findstring 19.,$(clang_ver))
+      endif
+    endif
+
+    ifeq (1,2)
+    else ifneq (,$(is_cllike))
+        CFLAGS += /Dis_win
+        CFLAGS += /Dis_wincl
+        CFLAGS += /nologo
+        CFLAGS += /std:c17
+        CFLAGS += /DMCPC_C23PTCH_KW1
+        CFLAGS += /DMCPC_C23PTCH_CKD1
+        CFLAGS += /DMCPC_C23PTCH_UCHAR1
+        CFLAGS += /DMCPC_C23GIVUP_FIXENUM
+        LDFLAGS += /nologo
+        is_cllike = xxx
+        is_winlib = xxx
+        is_cl = xxx
+        isnot_done_ccdefs = 
+    else ifneq (,$(and $(is_gcc8)))
+        CFLAGS += -std=c11
+        CFLAGS += -DMCPC_C23PTCH_KW1
+        CFLAGS += -DMCPC_C23PTCH_CKD1
+        CFLAGS += -DMCPC_C23PTCH_UCHAR1
+        CFLAGS += -DMCPC_C23GIVUP_FIXENUM
+        isnot_done_ccdefs = 
+    else ifneq (,$(and $(is_gcc12)))
+        CFLAGS += -std=c17
+        CFLAGS += -DMCPC_C23PTCH_KW1
+        CFLAGS += -DMCPC_C23PTCH_CKD1
+        CFLAGS += -DMCPC_C23PTCH_UCHAR1
+        CFLAGS += -DMCPC_C23GIVUP_FIXENUM
+        isnot_done_ccdefs = 
+    else ifneq (,$(and $(is_gcc14)))
+        # fc41
+        CFLAGS += -std=c23
+        CFLAGS += -DMCPC_C23PTCH_UCHAR2
+        isnot_done_ccdefs = 
+    endif
+endif