Closes #25

core/dbc_parser.cpp

@@ -19,6 +19,35 @@
 #include <utility>
 
 namespace {
+    // Attribute statements end at a semicolon outside quoted text.
+    void ReadAttributeLines(std::ifstream &input, std::string &statement,
+                            std::size_t &lineNumber) {
+        bool inQuote = false;
+        bool escaped = false;
+        std::string part = statement;
+        for (;;) {
+            for (const char character: part) {
+                if (escaped) {
+                    escaped = false;
+                } else if (inQuote && character == '\\') {
+                    escaped = true;
+                } else if (character == '"') {
+                    inQuote = !inQuote;
+                } else if (!inQuote && character == ';') {
+                    return;
+                }
+            }
+            if (!std::getline(input, part))
+                return;
+            ++lineNumber;
+            if (!part.empty() && part.back() == '\r')
+                part.pop_back();
+            statement += '\n';
+            statement += part;
+            escaped = false;
+        }
+    }
+
     // Read through the closing unescaped quote, preserving comment whitespace.
     void ReadCommentLines(std::ifstream &input, std::string &statement,
                           std::size_t &lineNumber) {
@@ -112,6 +141,9 @@ DbcParseResult DbcParser::ParseFileWithDiagnostics(const std::string &filePath)
         if (keyword == "CM_") {
             line = rawLine;
             ReadCommentLines(input, line, lineNumber);
+        } else if (keyword == "BA_DEF_" || keyword == "BA_DEF_DEF_" || keyword == "BA_") {
+            line = rawLine.substr(rawLine.find(keyword));
+            ReadAttributeLines(input, line, lineNumber);
         }
 
         try {