Add support for parsing English-like declarations.

[cdecl99.git] / src / parse-decl.c

diff --git a/src/parse-decl.c b/src/parse-decl.c
index bce0afe186644d5f8968630ef830cbdf362f11e1..5002f593fc66422400d8d34571b2bd9857a48242 100644 (file)
--- a/src/parse-decl.c
+++ b/src/parse-decl.c
@@ -429,3 +429,40 @@ err:
        cdecl_free(decl);
        return NULL;
 }
+
+struct cdecl *cdecl_parse_english(const char *english)
+{
+       YY_BUFFER_STATE state;
+       yyscan_t scanner;
+       struct cdecl *decl;
+       int rc;
+
+       rc = yylex_init_extra(true, &scanner);
+       if (rc != 0)
+               return NULL;
+
+       state = yy_scan_string(english, scanner);
+       rc = yyparse(scanner, &decl);
+       yy_delete_buffer(state, scanner);
+       yylex_destroy(scanner);
+
+       if (rc != 0)
+               return NULL;
+
+       for (struct cdecl *i = decl; i; i = i->next) {
+               if (!forall_declarators(i, check_parameters))
+                       goto err;
+               if (!forall_declarators(i, check_rettypes))
+                       goto err;
+               if (!forall_declarators(i, check_arrays))
+                       goto err;
+
+               if (!valid_declspecs(i, true))
+                       goto err;
+       }
+
+       return decl;
+err:
+       cdecl_free(decl);
+       return NULL;
+}