add version info

tools/pikaCompiler/src/class_info.rs

@@ -3,6 +3,7 @@ use crate::method_info::MethodInfo;
 use crate::my_string;
 use crate::object_info::ObjectInfo;
 use crate::script::Script;
+use crate::version_info::VersionInfo;
 use std::collections::BTreeMap;
 #[derive(Debug)]
 pub struct ClassInfo {
@@ -111,11 +112,27 @@ impl ClassInfo {
         return method_impl;
     }
 
-    pub fn script_fn(&self) -> String {
+    pub fn script_fn(&self, version_info: VersionInfo) -> String {
         let mut script_fn = String::new();
         /* add pikaScriptInit function define */
         script_fn.push_str("PikaObj *__pikaMain;\r\n");
         script_fn.push_str("PikaObj *pikaScriptInit(void){\r\n");
+        /* print version info */
+        script_fn.push_str(
+            "    __platform_printf(\"======[pikascript packages installed]======\\r\\n\");\r\n",
+        );
+        for (package_name, package_version) in version_info.package_list {
+            script_fn.push_str(
+                format!(
+                    "    __platform_printf(\"{}=={}\\r\\n\");\r\n",
+                    package_name, package_version
+                )
+                .as_str(),
+            );
+        }
+        script_fn.push_str(
+            "    __platform_printf(\"===========================================\\r\\n\");\r\n",
+        );
         /* create the root object */
         script_fn.push_str("    __pikaMain = newRootObj(\"pikaMain\", New_PikaMain);\r\n");
         /* use obj_run to run the script in main.py */

tools/pikaCompiler/src/main.rs

@@ -113,7 +113,8 @@ fn main() {
         .get_mut(&"PikaMain".to_string())
         .unwrap();
     /* make the pikascript.c */
-    f.write(pika_main.script_fn().as_bytes()).unwrap();
+    f.write(pika_main.script_fn(version_info).as_bytes())
+        .unwrap();
 
     /* make the pikascript.h */
     let api_file_path = format!("{}pikaScript.h", compiler.dist_path);

tools/pikaCompiler/src/version_info.rs

@@ -20,7 +20,7 @@ impl VersionInfo {
 
     fn analyze_line(mut self, line: String) -> VersionInfo {
         /* skip void line */
-        if (line.as_str() == "") {
+        if line.as_str() == "" {
             return self;
         }
         /* print the package info */