diff options
Diffstat (limited to 'src/nvim/generators/gen_declarations.lua')
| -rw-r--r-- | src/nvim/generators/gen_declarations.lua | 186 |
1 files changed, 0 insertions, 186 deletions
diff --git a/src/nvim/generators/gen_declarations.lua b/src/nvim/generators/gen_declarations.lua deleted file mode 100644 index 6e1ea92572..0000000000 --- a/src/nvim/generators/gen_declarations.lua +++ /dev/null @@ -1,186 +0,0 @@ -local grammar = require('generators.c_grammar').grammar - ---- @param fname string ---- @return string? -local function read_file(fname) - local f = io.open(fname, 'r') - if not f then - return - end - local contents = f:read('*a') - f:close() - return contents -end - ---- @param fname string ---- @param contents string[] -local function write_file(fname, contents) - local contents_s = table.concat(contents, '\n') .. '\n' - local fcontents = read_file(fname) - if fcontents == contents_s then - return - end - local f = assert(io.open(fname, 'w')) - f:write(contents_s) - f:close() -end - ---- @param fname string ---- @param non_static_fname string ---- @return string? non_static -local function add_iwyu_non_static(fname, non_static_fname) - if fname:find('.*/src/nvim/.*%.c$') then - -- Add an IWYU pragma comment if the corresponding .h file exists. - local header_fname = fname:sub(1, -3) .. '.h' - local header_f = io.open(header_fname, 'r') - if header_f then - header_f:close() - return (header_fname:gsub('.*/src/nvim/', 'nvim/')) - end - elseif non_static_fname:find('/include/api/private/dispatch_wrappers%.h%.generated%.h$') then - return 'nvim/api/private/dispatch.h' - elseif non_static_fname:find('/include/ui_events_call%.h%.generated%.h$') then - return 'nvim/ui.h' - elseif non_static_fname:find('/include/ui_events_client%.h%.generated%.h$') then - return 'nvim/ui_client.h' - elseif non_static_fname:find('/include/ui_events_remote%.h%.generated%.h$') then - return 'nvim/api/ui.h' - end -end - ---- @param d string -local function process_decl(d) - -- Comments are really handled by preprocessor, so the following is not - -- needed - d = d:gsub('/%*.-%*/', '') - d = d:gsub('//.-\n', '\n') - d = d:gsub('# .-\n', '') - d = d:gsub('\n', ' ') - d = d:gsub('%s+', ' ') - d = d:gsub(' ?%( ?', '(') - d = d:gsub(' ?, ?', ', ') - d = d:gsub(' ?(%*+) ?', ' %1') - d = d:gsub(' ?(FUNC_ATTR_)', ' %1') - d = d:gsub(' $', '') - d = d:gsub('^ ', '') - return d .. ';' -end - ---- @param fname string ---- @param text string ---- @return string[] static ---- @return string[] non_static ---- @return boolean any_static -local function gen_declarations(fname, text) - local non_static = {} --- @type string[] - local static = {} --- @type string[] - - local neededfile = fname:match('[^/]+$') - local curfile = nil - local any_static = false - for _, node in ipairs(grammar:match(text)) do - if node[1] == 'preproc' then - curfile = node.content:match('^%a* %d+ "[^"]-/?([^"/]+)"') or curfile - elseif node[1] == 'proto' and curfile == neededfile then - local node_text = text:sub(node.pos, node.endpos - 1) - local declaration = process_decl(node_text) - - if node.static then - if not any_static and declaration:find('FUNC_ATTR_') then - any_static = true - end - static[#static + 1] = declaration - else - non_static[#non_static + 1] = 'DLLEXPORT ' .. declaration - end - end - end - - return static, non_static, any_static -end - -local usage = [[ -Usage: - - gen_declarations.lua definitions.c static.h non-static.h definitions.i - -Generates declarations for a C file definitions.c, putting declarations for -static functions into static.h and declarations for non-static functions into -non-static.h. File `definitions.i' should contain an already preprocessed -version of definitions.c and it is the only one which is actually parsed, -definitions.c is needed only to determine functions from which file out of all -functions found in definitions.i are needed and to generate an IWYU comment. -]] - -local function main() - local fname = arg[1] - local static_fname = arg[2] - local non_static_fname = arg[3] - local preproc_fname = arg[4] - local static_basename = arg[5] - - if fname == '--help' or #arg < 5 then - print(usage) - os.exit() - end - - local text = assert(read_file(preproc_fname)) - - local static_decls, non_static_decls, any_static = gen_declarations(fname, text) - - local static = {} --- @type string[] - if fname:find('.*/src/nvim/.*%.h$') then - static[#static + 1] = ('// IWYU pragma: private, include "%s"'):format( - fname:gsub('.*/src/nvim/', 'nvim/') - ) - end - vim.list_extend(static, { - '#define DEFINE_FUNC_ATTRIBUTES', - '#include "nvim/func_attr.h"', - '#undef DEFINE_FUNC_ATTRIBUTES', - }) - vim.list_extend(static, static_decls) - vim.list_extend(static, { - '#define DEFINE_EMPTY_ATTRIBUTES', - '#include "nvim/func_attr.h" // IWYU pragma: export', - '', - }) - - write_file(static_fname, static) - - if any_static then - local orig_text = assert(read_file(fname)) - local pat = '\n#%s?include%s+"' .. static_basename .. '"\n' - local pat_comment = '\n#%s?include%s+"' .. static_basename .. '"%s*//' - if not orig_text:find(pat) and not orig_text:find(pat_comment) then - error(('fail: missing include for %s in %s'):format(static_basename, fname)) - end - end - - if non_static_fname ~= 'SKIP' then - local non_static = {} --- @type string[] - local iwyu_non_static = add_iwyu_non_static(fname, non_static_fname) - if iwyu_non_static then - non_static[#non_static + 1] = ('// IWYU pragma: private, include "%s"'):format( - iwyu_non_static - ) - end - vim.list_extend(non_static, { - '#define DEFINE_FUNC_ATTRIBUTES', - '#include "nvim/func_attr.h"', - '#undef DEFINE_FUNC_ATTRIBUTES', - '#ifndef DLLEXPORT', - '# ifdef MSWIN', - '# define DLLEXPORT __declspec(dllexport)', - '# else', - '# define DLLEXPORT', - '# endif', - '#endif', - }) - vim.list_extend(non_static, non_static_decls) - non_static[#non_static + 1] = '#include "nvim/func_attr.h"' - write_file(non_static_fname, non_static) - end -end - -return main() |