Add automatic generation of headers

- The 'stripdecls.py' script replaces declarations in all headers by includes to
  generated headers.
  `ag '#\s*if(?!ndef NEOVIM_).*((?!#\s*endif).*\n)*#ifdef INCLUDE_GENERATED'`
  was used for this.
- Add and integrate gendeclarations.lua into the build system to generate the
  required includes.
- Add -Wno-unused-function
- Made a bunch of old-style definitions ANSI

This adds a requirement: all type and structure definitions must be present
before INCLUDE_GENERATED_DECLARATIONS-protected include.

Warning: mch_expandpath (path.h.generated.h) was moved manually. So far it is
the only exception.

1 files changed, 3 insertions, 8 deletions

diff --git a/src/nvim/os/job.c b/src/nvim/os/job.c
index d19e009421..f9f94158ae 100644
--- a/src/nvim/os/job.c
+++ b/src/nvim/os/job.c
@@ -58,16 +58,11 @@ static uint32_t job_count = 0;
 static uv_prepare_t job_prepare;
 
 // Some helpers shared in this module
-static bool is_alive(Job *job);
-static Job * find_job(int id);
-static void free_job(Job *job);
 
+#ifdef INCLUDE_GENERATED_DECLARATIONS
+# include "os/job.c.generated.h"
+#endif
 // Callbacks for libuv
-static void job_prepare_cb(uv_prepare_t *handle);
-static void read_cb(RStream *rstream, void *data, bool eof);
-static void exit_cb(uv_process_t *proc, int64_t status, int term_signal);
-static void close_cb(uv_handle_t *handle);
-static void emit_exit_event(Job *job);
 
 /// Initializes job control resources
 void job_init()