[vala/wip/issue/1329: 1/2] codegen: Split reserved identifiers for C and Vala

[Rico Tzschichholz <ricotz src gnome org>]

commit 4d9c0d031278cb9eaccbd52d4fcf01535ea85f25
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Sat Jun 11 13:28:11 2022 +0200

    codegen: Split reserved identifiers for C and Vala

 codegen/valaccodeattribute.vala  |  4 ++--
 codegen/valaccodebasemodule.vala | 11 +++++++----
 2 files changed, 9 insertions(+), 6 deletions(-)
---
diff --git a/codegen/valaccodeattribute.vala b/codegen/valaccodeattribute.vala
index 3c3b18ef4..a996480d7 100644
--- a/codegen/valaccodeattribute.vala
+++ b/codegen/valaccodeattribute.vala
@@ -787,7 +787,7 @@ public class Vala.CCodeAttribute : AttributeCache {
                                return Symbol.camel_case_to_lower_case (sym.name).replace ("_", "-");;
                        } else if (sym is LocalVariable) {
                                unowned string name = sym.name;
-                               if (CCodeBaseModule.reserved_identifiers.contains (name)) {
+                               if (CCodeBaseModule.reserved_identifiers.contains (name) || 
CCodeBaseModule.reserved_vala_identifiers.contains (name)) {
                                        return "_%s_".printf (name);
                                } else {
                                        return name;
@@ -798,7 +798,7 @@ public class Vala.CCodeAttribute : AttributeCache {
                                        return "...";
                                }
                                unowned string name = sym.name;
-                               if (CCodeBaseModule.reserved_identifiers.contains (name)) {
+                               if (CCodeBaseModule.reserved_identifiers.contains (name) || 
CCodeBaseModule.reserved_vala_identifiers.contains (name)) {
                                        return "_%s_".printf (name);
                                } else {
                                        return name;
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 121344373..fcdbe66c2 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -275,6 +275,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
        public Set<string> predefined_marshal_set;
        /* (constant) hash table with all reserved identifiers in the generated code */
        public static Set<string> reserved_identifiers;
+       public static Set<string> reserved_vala_identifiers;
 
        public int next_temp_var_id {
                get { return emit_context.next_temp_var_id; }
@@ -459,10 +460,12 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                // MSVC keywords
                reserved_identifiers.add ("cdecl");
 
+               reserved_vala_identifiers = new HashSet<string> (str_hash, str_equal);
+
                // reserved for Vala/GObject naming conventions
-               reserved_identifiers.add ("error");
-               reserved_identifiers.add ("result");
-               reserved_identifiers.add ("self");
+               reserved_vala_identifiers.add ("error");
+               reserved_vala_identifiers.add ("result");
+               reserved_vala_identifiers.add ("self");
        }
 
        public override void emit (CodeContext context) {
@@ -2713,7 +2716,7 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
                                next_temp_var_id++;
                        }
                        return variable_name_map.get (name);
-               } else if (reserved_identifiers.contains (name)) {
+               } else if (reserved_identifiers.contains (name) || reserved_vala_identifiers.contains (name)) 
{
                        return "_%s_".printf (name);
                } else {
                        return name;