Catching allocation exceptions.

document_parser.cpp

@@ -51,7 +51,7 @@ namespace Sass {
       importee.parse_scss();
       return importee.root;
     }
-    catch (string path) {
+    catch (string& path) {
       read_error("error reading file \"" + path + "\"");
     }
   }

sass_interface.cpp

@@ -54,10 +54,13 @@ extern "C" {
       Document doc(0, c_ctx->input_string, cpp_ctx);
       c_ctx->output_string = process_document(doc, c_ctx->options.output_style);
     }
-    catch (Error e) {
+    catch (Error& e) {
       cerr << "ERROR -- " << e.file_name << ", line " << e.line_number << ": " << e.message << endl;
       c_ctx->output_string = 0;
     }
+    catch(bad_alloc& ba) {
+      cerr << "ERROR -- unable to allocate memory: " << ba.what() << endl;
+    }
     // TO DO: CATCH EVERYTHING ELSE
     return 0;
   }
@@ -70,10 +73,13 @@ extern "C" {
       Document doc(c_ctx->input_path, 0, cpp_ctx);
       c_ctx->output_string = process_document(doc, c_ctx->options.output_style);
     }
-    catch (Error e) {
+    catch (Error& e) {
       cerr << "ERROR -- " << e.file_name << ", line " << e.line_number << ": " << e.message << endl;
       c_ctx->output_string = 0;
     }
+    catch(bad_alloc& ba) {
+      cerr << "ERROR -- unable to allocate memory: " << ba.what() << endl;
+    }
     // TO DO: CATCH EVERYTHING ELSE
     return 0;
   }