Closes #13

core/dbc_parser.h

@@ -14,7 +14,7 @@
 
 #include <string>
 
-#include "dbc_database.h"
+#include "dbc_diagnostic.h"
 
 /**
  * @brief Minimal DBC parser.
@@ -27,9 +27,8 @@
  * - basic M / mN multiplexing
  * - VAL_ signal value descriptions
  *
- * Ignores:
- * - attributes
- * - named VAL_TABLE_ tables
+ * Reports unsupported statements as warnings, except SG_MUL_VAL_ which is
+ * an error. VERSION, NS_, BS_, BU_ and NS_ symbol declarations stay quiet.
  */
 class DbcParser {
 public:
@@ -44,6 +43,14 @@ public:
      */
     DbcDatabase ParseFile(const std::string &filePath) const;
 
+    /**
+     * @brief Parse with warnings and a structured first error instead of throwing.
+     * @return Valid database with diagnostics; empty database on error.
+     * File errors use line zero; statement errors use physical one-based lines.
+     * Warnings indicate ignored syntax and possible incomplete decoding.
+     */
+    DbcParseResult ParseFileWithDiagnostics(const std::string &filePath) const;
+
 };
 
 #endif /* DBC_PARSER_H */