1 files changed, 14 insertions, 0 deletions
diff --git a/src/runtime/c/pgf/linearizer.h b/src/runtime/c/pgf/linearizer.h
index 57fad962f..78ac092b6 100644
--- a/src/runtime/c/pgf/linearizer.h
+++ b/src/runtime/c/pgf/linearizer.h
@@ -18,6 +18,7 @@ typedef enum {
 	PGF_CNC_TREE_APP,
 	PGF_CNC_TREE_CHUNKS,
 	PGF_CNC_TREE_LIT,
+	PGF_CNC_TREE_LINDEF
 } PgfCncTreeTag;
 
 typedef struct {
@@ -50,6 +51,19 @@ typedef struct {
 	PgfLiteral lit;
 } PgfCncTreeLit;
 
+typedef struct {
+	PgfCId abs_id;
+
+	PgfCCat* ccat;
+	PgfCncFun* fun;
+	int fid;
+
+	size_t n_vars;
+	PgfPrintContext* context;
+
+	GuString str;
+} PgfCncTreeLinDef;
+
 #endif
 
 /// An enumeration of #PgfCncTree trees.