Merge #11851 'eval.c: factor out eval/userfunc.c'

vim-patch:7.4.2058

src/nvim/eval/userfunc.h

@@ -0,0 +1,36 @@
+#ifndef NVIM_EVAL_USERFUNC_H
+#define NVIM_EVAL_USERFUNC_H
+
+#include "nvim/eval/typval.h"
+#include "nvim/ex_cmds_defs.h"
+
+///< Structure used by trans_function_name()
+typedef struct {
+  dict_T *fd_dict;  ///< Dictionary used.
+  char_u *fd_newkey;  ///< New key in "dict" in allocated memory.
+  dictitem_T  *fd_di;  ///< Dictionary item used.
+} funcdict_T;
+
+/// errors for when calling a function
+typedef enum {
+  ERROR_UNKNOWN = 0,
+  ERROR_TOOMANY,
+  ERROR_TOOFEW,
+  ERROR_SCRIPT,
+  ERROR_DICT,
+  ERROR_NONE,
+  ERROR_OTHER,
+  ERROR_BOTH,
+  ERROR_DELETED,
+} FnameTransError;
+
+typedef int (*ArgvFunc)(int current_argcount, typval_T *argv, int argskip,
+                        int called_func_argcount);
+
+#define FUNCARG(fp, j)  ((char_u **)(fp->uf_args.ga_data))[j]
+#define FUNCLINE(fp, j) ((char_u **)(fp->uf_lines.ga_data))[j]
+
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "eval/userfunc.h.generated.h"
+#endif
+#endif  // NVIM_EVAL_USERFUNC_H