feat: add kcl version api for the wasm host

.github/workflows/build-test-centos7-amd64.yaml

@@ -1,7 +1,11 @@
 name: Build and Test on centos7 amd64
-
-on: ["push", "pull_request"]
-
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test-centos7:
     name: Build and Test on centos7 amd64

.github/workflows/build-test-macos-arm64.yml

@@ -1,5 +1,11 @@
 name: Build and Test on MacOS ARCH64
-on: ["push", "pull_request"]
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test:
     # Ref: https://github.com/actions/runner-images/tree/main/images/macos

.github/workflows/build-test-ubuntu-arm64.yml

@@ -1,7 +1,11 @@
 name: Build and Test on Linux ARCH64
-
-on: ["push", "pull_request"]
-
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test-arm64:
     name: Build and Test on Linux ARM64

.github/workflows/macos_test.yaml

@@ -1,5 +1,11 @@
 name: build-and-test-macos
-on: ["push", "pull_request"]
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test:
     # Ref: https://github.com/actions/runner-images/tree/main/images/macos

.github/workflows/mingw_test.yaml

@@ -1,5 +1,11 @@
 name: build-and-test-windows-mingw
-on: ["push", "pull_request"]
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test:
     name: build and test on windows mingw

.github/workflows/ubuntu_test.yaml

@@ -1,5 +1,11 @@
 name: build-and-test-ubuntu
-on: ["push", "pull_request"]
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test:
     # Ref: https://github.com/actions/runner-images/tree/main/images/linux

.github/workflows/wasm_test.yaml

@@ -1,5 +1,11 @@
 name: build-and-test-wasm
-on: ["push", "pull_request"]
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test:
     # Ref: https://github.com/actions/runner-images/tree/main/images/linux

.github/workflows/windows_test.yaml

@@ -1,5 +1,11 @@
 name: build-and-test-windows
-on: ["push", "pull_request"]
+on:
+  pull_request:
+    branches:
+     - main
+  push:
+    branches:
+     - main
 jobs:
   build-and-test:
     name: build and test on windows

kclvm/src/lib.rs

@@ -160,6 +160,23 @@ pub unsafe extern "C" fn kcl_fmt(src_ptr: *const c_char) -> *const c_char {
     }
 }
 
+fn intern_fmt(src: &str) -> Result<String, String> {
+    let api = API::default();
+    let args = &FormatCodeArgs {
+        source: src.to_string(),
+    };
+    match api.format_code(args) {
+        Ok(result) => String::from_utf8(result.formatted).map_err(|err| err.to_string()),
+        Err(err) => Err(err.to_string()),
+    }
+}
+
+/// Exposes a normal kcl version function to the WASM host.
+#[no_mangle]
+pub unsafe extern "C" fn kcl_version() -> *const c_char {
+    CString::new(kclvm_version::VERSION).unwrap().into_raw()
+}
+
 /// Exposes a normal kcl runtime error function to the WASM host.
 #[no_mangle]
 pub unsafe extern "C" fn kcl_runtime_err(buffer: *mut u8, length: usize) -> isize {
@@ -178,17 +195,6 @@ pub unsafe extern "C" fn kcl_runtime_err(buffer: *mut u8, length: usize) -> isiz
     })
 }
 
-fn intern_fmt(src: &str) -> Result<String, String> {
-    let api = API::default();
-    let args = &FormatCodeArgs {
-        source: src.to_string(),
-    };
-    match api.format_code(args) {
-        Ok(result) => String::from_utf8(result.formatted).map_err(|err| err.to_string()),
-        Err(err) => Err(err.to_string()),
-    }
-}
-
 /// Exposes an allocation function to the WASM host.
 ///
 /// _This implementation is copied from wasm-bindgen_