Return struct fields in struct

Author: dgherzka

c2rust-transpile/src/translator/mod.rs

@@ -1194,6 +1194,12 @@ struct ConvertedVariable {
     pub init: TranslationResult<WithStmts<Box<Expr>>>,
 }
 
+pub struct ConvertedStructFields {
+    pub field_entries: Vec<Field>,
+    pub contains_va_list: bool,
+    pub can_derive_debug: bool,
+}
+
 impl<'c> Translation<'c> {
     pub fn new(
         mut ast_context: TypedAstContext,
@@ -1628,8 +1634,11 @@ impl<'c> Translation<'c> {
                 }
 
                 // Gather up all the field names and field types
-                let (field_entries, contains_va_list, can_derive_debug) =
-                    self.convert_struct_fields(decl_id, fields, platform_byte_size)?;
+                let ConvertedStructFields {
+                    field_entries,
+                    contains_va_list,
+                    can_derive_debug,
+                } = self.convert_struct_fields(decl_id, fields, platform_byte_size)?;
 
                 let mut derives = vec![];
                 if !contains_va_list {

c2rust-transpile/src/translator/structs.rs

@@ -6,7 +6,7 @@ use std::collections::HashSet;
 use std::ops::Index;
 
 use super::named_references::NamedReference;
-use super::TranslationError;
+use super::{ConvertedStructFields, TranslationError};
 use crate::c_ast::{BinOp, CDeclId, CDeclKind, CExprId, CRecordId, CTypeId, CTypeKind};
 use crate::diagnostics::TranslationResult;
 use crate::translator::{ExprContext, Translation, PADDING_SUFFIX};
@@ -343,7 +343,7 @@ impl<'a> Translation<'a> {
         struct_id: CRecordId,
         field_ids: &[CDeclId],
         platform_byte_size: u64,
-    ) -> TranslationResult<(Vec<Field>, bool, bool)> {
+    ) -> TranslationResult<ConvertedStructFields> {
         let mut field_entries = Vec::with_capacity(field_ids.len());
         // We need to clobber bitfields in consecutive bytes together (leaving
         // regular fields alone) and add in padding as necessary
@@ -434,7 +434,11 @@ impl<'a> Translation<'a> {
                 }
             }
         }
-        Ok((field_entries, contains_va_list, can_derive_debug))
+        Ok(ConvertedStructFields {
+            field_entries,
+            contains_va_list,
+            can_derive_debug,
+        })
     }
 
     /// Here we output a block to generate a struct literal initializer in.