schema diff UPDATE support for parsed ext-instances

Compiled ext-instances improved and source files
split.

Author: michalvasko

CMakeLists.txt

@@ -139,7 +139,9 @@ set(libsrc
     src/schema_compile_node.c
     src/schema_compile_amend.c
     src/schema_features.c
-    src/schema_diff_change.c
+    src/schema_diff.c
+    src/schema_diff_change_compiled.c
+    src/schema_diff_change_parsed.c
     src/schema_diff_tree.c
     src/tree_data_sorted.c
     src/tree_schema.c

modules/ietf-yang-schema-comparison@2025-10-20.yang

@@ -953,6 +953,7 @@ module ietf-yang-schema-comparison {
         description
           "Reference substatement value.";
       }
+      uses ext-instance-stmts;
     }
     container include {
       if-feature parsed-schema;
@@ -981,6 +982,7 @@ module ietf-yang-schema-comparison {
         description
           "Reference substatement value.";
       }
+      uses ext-instance-stmts;
     }
     leaf organization {
       type string;
@@ -1030,6 +1032,7 @@ module ietf-yang-schema-comparison {
         description
           "Reference substatement value.";
       }
+      uses ext-instance-stmts;
     }
     container feature {
       if-feature parsed-schema;
@@ -1055,6 +1058,7 @@ module ietf-yang-schema-comparison {
         description
           "Reference substatement value.";
       }
+      uses ext-instance-stmts;
     }
     container identity {
       description
@@ -1151,6 +1155,7 @@ module ietf-yang-schema-comparison {
         description
           "Reference substatement value.";
       }
+      uses ext-instance-stmts;
     }
     container ext-instance {
       presence

src/parser_common.c

@@ -3554,7 +3554,7 @@ lysp_stmt_parse(struct lysp_ctx *pctx, const struct lysp_stmt *stmt, void **resu
 }
 
 LY_ERR
-lys_parser_ext_instance_stmt(struct lysp_ctx *pctx, struct lysp_ext_substmt *substmt, struct lysp_stmt *stmt)
+lys_parser_ext_instance_stmt(struct lysp_ctx *pctx, struct lysp_ext_substmt *substmt, const struct lysp_stmt *stmt)
 {
     LY_ERR rc = LY_SUCCESS;
 

src/parser_internal.h

@@ -457,6 +457,6 @@ LY_ERR lyd_parser_node_insert(struct lyd_node *parent, struct lyd_node **first_p
  * @param[in] stmt Parsed generic statement to process.
  * @return LY_ERR value.
  */
-LY_ERR lys_parser_ext_instance_stmt(struct lysp_ctx *pctx, struct lysp_ext_substmt *substmt, struct lysp_stmt *stmt);
+LY_ERR lys_parser_ext_instance_stmt(struct lysp_ctx *pctx, struct lysp_ext_substmt *substmt, const struct lysp_stmt *stmt);
 
 #endif /* LY_PARSER_INTERNAL_H_ */