native: rename cgen to code_gen to avoid confusion with cgen

examples/dynamic_library_loading/use.v

@@ -9,8 +9,7 @@ fn main() {
 	library_file_path := os.join_path(os.getwd(), dl.get_libname('library'))
 	handle := dl.open_opt(library_file_path, dl.rtld_lazy) ?
 	eprintln('handle: ${ptr_str(handle)}')
-	mut f := FNAdder(0)
-	f = dl.sym_opt(handle, 'add_1') ?
+	f := FNAdder(dl.sym_opt(handle, 'add_1') ?)
 	eprintln('f: ${ptr_str(f)}')
 	res := f(1, 2)
 	eprintln('res: $res')

vlib/v/gen/native/gen.v

@@ -26,7 +26,7 @@ pub struct Gen {
 	out_name string
 	pref     &pref.Preferences // Preferences shared from V struct
 mut:
-	cgen                 CodeGen
+	code_gen             CodeGen
 	table                &ast.Table
 	buf                  []byte
 	sect_header_name_pos int
@@ -79,12 +79,12 @@ pub fn gen(files []&ast.File, table &ast.Table, out_name string, pref &pref.Pref
 		out_name: out_name
 		pref: pref
 		// TODO: workaround, needs to support recursive init
-		cgen: get_backend(pref.arch) or {
+		code_gen: get_backend(pref.arch) or {
 			eprintln('No available backend for this configuration. Use `-a arm64` or `-a amd64`.')
 			exit(1)
 		}
 	}
-	g.cgen.g = g
+	g.code_gen.g = g
 	g.generate_header()
 	for file in files {
 		if file.warnings.len > 0 {
@@ -404,8 +404,8 @@ fn (mut g Gen) for_in_stmt(node ast.ForInStmt) {
 }
 
 pub fn (mut g Gen) gen_exit(node ast.Expr) {
-	// check node type and then call the cgen method
-	g.cgen.gen_exit(mut g, node)
+	// check node type and then call the code_gen method
+	g.code_gen.gen_exit(mut g, node)
 }
 
 fn (mut g Gen) stmt(node ast.Stmt) {
@@ -543,7 +543,7 @@ fn (mut g Gen) expr(node ast.Expr) {
 
 /*
 fn (mut g Gen) allocate_var(name string, size int, initial_val int) {
-	g.cgen.allocate_var(name, size, initial_val)
+	g.code_gen.allocate_var(name, size, initial_val)
 }
 */
 

vlib/v/gen/native/macho_test.v

@@ -9,7 +9,7 @@ fn test_macho() {
 		pref: &pref.Preferences{}
 		out_name: 'test.bin'
 		table: ast.new_table()
-		cgen: native.Amd64{
+		code_gen: native.Amd64{
 			g: 0
 		}
 	}