From 0ce098033bc4d63399a068aa78ce8f164798d750 Mon Sep 17 00:00:00 2001
From: Dnomd343 <dnomd343@gmail.com>
Date: Sun, 1 Dec 2024 18:21:40 +0800
Subject: [PATCH] feat: add go-ffi demo

---
 src/core_ffi/go_ffi/demo.c      |  7 +++++++
 src/core_ffi/go_ffi/demo.cc     |  7 +++++++
 src/core_ffi/go_ffi/demo.h      | 11 +++++++++++
 src/core_ffi/go_ffi/klotski.go  | 13 +++++++++++++
 src/core_ffi/go_ffi/test_c.sh   |  7 +++++++
 src/core_ffi/go_ffi/test_cpp.sh |  7 +++++++
 6 files changed, 52 insertions(+)
 create mode 100644 src/core_ffi/go_ffi/demo.c
 create mode 100644 src/core_ffi/go_ffi/demo.cc
 create mode 100644 src/core_ffi/go_ffi/demo.h
 create mode 100644 src/core_ffi/go_ffi/klotski.go
 create mode 100755 src/core_ffi/go_ffi/test_c.sh
 create mode 100755 src/core_ffi/go_ffi/test_cpp.sh

diff --git a/src/core_ffi/go_ffi/demo.c b/src/core_ffi/go_ffi/demo.c
new file mode 100644
index 0000000..1964cae
--- /dev/null
+++ b/src/core_ffi/go_ffi/demo.c
@@ -0,0 +1,7 @@
+#include "demo.h"
+
+#include <stdio.h>
+
+void hello() {
+    printf("hello from c\n");
+}
diff --git a/src/core_ffi/go_ffi/demo.cc b/src/core_ffi/go_ffi/demo.cc
new file mode 100644
index 0000000..228e362
--- /dev/null
+++ b/src/core_ffi/go_ffi/demo.cc
@@ -0,0 +1,7 @@
+#include "demo.h"
+
+#include <iostream>
+
+void hello() {
+    std::cout << "hello from c++" << std::endl;
+}
diff --git a/src/core_ffi/go_ffi/demo.h b/src/core_ffi/go_ffi/demo.h
new file mode 100644
index 0000000..a5889f0
--- /dev/null
+++ b/src/core_ffi/go_ffi/demo.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void hello();
+
+#ifdef __cplusplus
+}
+#endif
diff --git a/src/core_ffi/go_ffi/klotski.go b/src/core_ffi/go_ffi/klotski.go
new file mode 100644
index 0000000..033b78d
--- /dev/null
+++ b/src/core_ffi/go_ffi/klotski.go
@@ -0,0 +1,13 @@
+package main
+
+/*
+#cgo LDFLAGS: -L${SRCDIR}/ -ldemo -lstdc++
+#include "demo.h"
+*/
+import "C"
+import "fmt"
+
+func main() {
+    fmt.Println("hello from go")
+    C.hello()
+}
diff --git a/src/core_ffi/go_ffi/test_c.sh b/src/core_ffi/go_ffi/test_c.sh
new file mode 100755
index 0000000..4cb3030
--- /dev/null
+++ b/src/core_ffi/go_ffi/test_c.sh
@@ -0,0 +1,7 @@
+gcc -O3 -c demo.c -o demo.o
+ar rcs libdemo.a demo.o
+rm -f demo.o
+ranlib libdemo.a
+
+go run klotski.go
+rm -f libdemo.a
diff --git a/src/core_ffi/go_ffi/test_cpp.sh b/src/core_ffi/go_ffi/test_cpp.sh
new file mode 100755
index 0000000..822a912
--- /dev/null
+++ b/src/core_ffi/go_ffi/test_cpp.sh
@@ -0,0 +1,7 @@
+g++ -O3 -c demo.cc -o demo.o
+ar rcs libdemo.a demo.o
+rm -f demo.o
+ranlib libdemo.a
+
+go run klotski.go
+rm -f libdemo.a