Add binding for new gcc_jit_lvalue_get_name function

Author: GuillaumeGomez

gccjit_sys/src/lib.rs

@@ -699,4 +699,7 @@ extern "C" {
 
     #[cfg(feature="master")]
     pub fn gcc_jit_lvalue_add_attribute(variable: *mut gcc_jit_lvalue, attribute: gcc_jit_variable_attribute);
+
+    #[cfg(feature="master")]
+    pub fn gcc_jit_lvalue_get_name(lvalue: *mut gcc_jit_lvalue) -> *const c_char;
 }

src/lvalue.rs

@@ -1,6 +1,9 @@
-use std::{ffi::CString, marker::PhantomData};
+use std::ffi::{CStr, CString};
+use std::marker::PhantomData;
 use std::fmt;
 use std::ptr;
+use std::str::Utf8Error;
+
 use context::Context;
 use rvalue::{RValue, ToRValue};
 use rvalue;
@@ -238,6 +241,18 @@ impl<'ctx> LValue<'ctx> {
             },
         }
     }
+
+    #[cfg(feature = "master")]
+    pub fn get_name(&self) -> Result<Option<&'ctx str>, Utf8Error> {
+        unsafe {
+            let str = gccjit_sys::gcc_jit_lvalue_get_name(self.ptr);
+            if str.is_null() {
+                Ok(None)
+            } else {
+                Ok(Some(CStr::from_ptr(str).to_str()?))
+            }
+        }
+    }
 }
 
 pub unsafe fn from_ptr<'ctx>(ptr: *mut gccjit_sys::gcc_jit_lvalue) -> LValue<'ctx> {