argument extracting basics

examples/helloworld/src/lib.rs

@@ -1,20 +1,38 @@
+use std::intrinsics::transmute;
+
 use ivory::*;
 use ivory::externs::printf;
-use ivory::zend::{ExecuteData, Value};
+use ivory::zend::{ExecuteData, ZVal};
 
 #[ivory_export]
 fn hello_other(_other: String) {
-    printf(format!("Hello ",));
+    printf(format!("Hello ", ));
 }
 
 #[ivory_export]
 fn hello_world() {
-    printf("Hello world, Rust!");
+    printf("Hello world, Rust2!");
 }
 
+
+#[no_mangle]
+pub extern "C" fn dump(data: *const ExecuteData, retval: *mut ZVal) {
+    let data: &ExecuteData = unsafe { data.as_ref() }.unwrap();
+    let num = data.num_args();
+    for arg in data.args() {
+        printf(format!("{}\n", unsafe { arg.as_i64() }));
+    }
+}
+
+const FUNCTION_META_DUMP: ::ivory::zend::FunctionMeta = ::ivory::zend::FunctionMeta {
+    name: { concat!("dump", "\0").as_ptr() as *const ::libc::c_char },
+    func: dump,
+    args: &[],
+};
+
 ivory_module!({
     name: "demo",
     version: "0.0.1",
-    functions: &[hello_world, hello_other],
+    functions: &[hello_world, hello_other, dump],
     info: &[("demo extension", "enabled")]
 });