err with ref

Signed-off-by: Kartikay <kartikay_2101ce32@iitp.ac.in>

pkg/composableschemadsl/compiler/compiler.go

@@ -124,6 +124,7 @@ func Compile(schema InputSchema, prefix ObjectPrefixOption, opts ...Option) (*Co
 		globallyVisitedFiles: mapz.NewSet[string](),
 		locallyVisitedFiles:  mapz.NewSet[string](),
 		sourceFolder:         cfg.sourceFolder,
+		mapper:               mapper,
 	}, root)
 	if err != nil {
 		return nil, err

pkg/composableschemadsl/compiler/translator.go

@@ -763,6 +763,7 @@ type importResolutionContext struct {
 	// find a cycle, even if we're otherwise marking globally visited nodes.
 	locallyVisitedFiles *mapz.Set[string]
 	sourceFolder        string
+	mapper              input.PositionMapper
 }
 
 // Takes a parsed schema and recursively translates import syntax and replaces
@@ -812,14 +813,15 @@ func translateImports(itctx importResolutionContext, root *dslNode) error {
 			// This is a new node provided by the translateImport
 			parsedImportRoot, err := importFile(filePath)
 			if err != nil {
-				return err
+				return toContextError("failed to read import in schema file", "", topLevelNode, itctx.mapper)
 			}
 
 			// We recurse on that node to resolve any further imports
 			err = translateImports(importResolutionContext{
 				sourceFolder:         newSourceFolder,
 				locallyVisitedFiles:  currentLocallyVisitedFiles,
 				globallyVisitedFiles: itctx.globallyVisitedFiles,
+				mapper:               itctx.mapper,
 			}, parsedImportRoot)
 			if err != nil {
 				return err