1 files changed, 9 insertions, 0 deletions

diff --git a/edify/parser.y b/edify/parser.y
index 3f9ade144..f8fb2d12f 100644
--- a/edify/parser.y
+++ b/edify/parser.y
@@ -29,6 +29,10 @@ extern int gColumn;
 void yyerror(Expr** root, int* error_count, const char* s);
 int yyparse(Expr** root, int* error_count);
 
+struct yy_buffer_state;
+void yy_switch_to_buffer(struct yy_buffer_state* new_buffer);
+struct yy_buffer_state* yy_scan_string(const char* yystr);
+
 %}
 
 %locations
@@ -128,3 +132,8 @@ void yyerror(Expr** root, int* error_count, const char* s) {
   printf("line %d col %d: %s\n", gLine, gColumn, s);
   ++*error_count;
 }
+
+int parse_string(const char* str, Expr** root, int* error_count) {
+    yy_switch_to_buffer(yy_scan_string(str));
+    return yyparse(root, error_count);
+}