Replace libdeno with rusty_v8 (#3556)

1 files changed, 2 insertions, 39 deletions

diff --git a/core/flags.rs b/core/flags.rs
index 380adbfa2..7c1f5c449 100644
--- a/core/flags.rs
+++ b/core/flags.rs
@@ -1,44 +1,7 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-//! This module wraps libdeno::deno_set_v8_flags
-use crate::libdeno::deno_set_v8_flags;
-use libc::c_char;
-use libc::c_int;
-use std::ffi::CStr;
-use std::ffi::CString;
-use std::vec::Vec;
-
+use rusty_v8 as v8;
 /// Pass the command line arguments to v8.
 /// Returns a vector of command line arguments that V8 did not understand.
 pub fn v8_set_flags(args: Vec<String>) -> Vec<String> {
-  // deno_set_v8_flags(int* argc, char** argv) mutates argc and argv to remove
-  // flags that v8 understands.
-
-  // Make a new array, that can be modified by V8::SetFlagsFromCommandLine(),
-  // containing mutable raw pointers to the individual command line args.
-  let mut raw_argv = args
-    .iter()
-    .map(|arg| CString::new(arg.as_str()).unwrap().into_bytes_with_nul())
-    .collect::<Vec<_>>();
-  let mut c_argv = raw_argv
-    .iter_mut()
-    .map(|arg| arg.as_mut_ptr() as *mut c_char)
-    .collect::<Vec<_>>();
-
-  // Store the length of the c_argv array in a local variable. We'll pass
-  // a pointer to this local variable to deno_set_v8_flags(), which then
-  // updates its value.
-  let mut c_argv_len = c_argv.len() as c_int;
-  // Let v8 parse the arguments it recognizes and remove them from c_argv.
-  unsafe { deno_set_v8_flags(&mut c_argv_len, c_argv.as_mut_ptr()) };
-  // If c_argv_len was updated we have to change the length of c_argv to match.
-  c_argv.truncate(c_argv_len as usize);
-  // Copy the modified arguments list into a proper rust vec and return it.
-  c_argv
-    .iter()
-    .map(|ptr| unsafe {
-      let cstr = CStr::from_ptr(*ptr as *const c_char);
-      let slice = cstr.to_str().unwrap();
-      slice.to_string()
-    })
-    .collect()
+  v8::V8::set_flags_from_command_line(args)
 }