Fixes #346.

Author: simonbrowndotje

changelog.md

@@ -7,6 +7,7 @@
 - structurizr-component: Adds `ImplementationWithSuffixSupportingTypesStrategy`.
 - structurizr-dsl: Adds `supportingTypes implementation-prefix <prefix>`.
 - structurizr-dsl: Adds `supportingTypes implementation-suffix <suffix>`.
+- structurizr-dsl: Fixes https://github.com/structurizr/java/issues/346 (`// comment \` joins lines).
 
 ## 3.0.0 (19th September 2024)
 

structurizr-dsl/src/main/java/com/structurizr/dsl/StructurizrDslParser.java

@@ -1069,7 +1069,7 @@ private List<DslLine> preProcessLines(List<String> lines) {
         boolean lineComplete = true;
 
         for (String line : lines) {
-            if (line.endsWith(MULTI_LINE_SEPARATOR)) {
+            if (!COMMENT_PATTERN.matcher(line).matches() && line.endsWith(MULTI_LINE_SEPARATOR)) {
                 buf.append(line, 0, line.length()-1);
                 lineComplete = false;
             } else {

structurizr-dsl/src/test/resources/dsl/test.dsl

@@ -27,6 +27,7 @@ workspace "Name" "Description" {
         !impliedRelationships "com.structurizr.model.CreateImpliedRelationshipsUnlessSameRelationshipExistsStrategy"
         !impliedRelationships true
 
+        // single line comment with long line split character \
         properties {
             "Name" "Value"
         }