Mercurial > vim
annotate src/if_lua.c @ 3091:92a181a1cec3 v7.3.317
updated for version 7.3.317
Problem: Calling debug.debug() in Lua may cause Vim to hang.
Solution: Add a better debug method. (Rob Hoelz, Luis Carvalho)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Wed, 21 Sep 2011 17:15:39 +0200 |
| parents | 0c7d6d01e058 |
| children | 3801e4811b0e |
| rev | line source |
|---|---|
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1 /* vi:set ts=8 sts=4 sw=4: |
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2 * |
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3 * VIM - Vi IMproved by Bram Moolenaar |
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4 * |
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5 * Lua interface by Luis Carvalho |
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6 * |
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7 * Do ":help uganda" in Vim to read copying and usage conditions. |
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8 * Do ":help credits" in Vim to see a list of people who contributed. |
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9 * See README.txt for an overview of the Vim source code. |
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10 */ |
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11 |
| 2683 | 12 #include "vim.h" |
| 13 | |
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14 #include <lua.h> |
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15 #include <lualib.h> |
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16 #include <lauxlib.h> |
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17 |
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18 /* Only do the following when the feature is enabled. Needed for "make |
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19 * depend". */ |
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20 #if defined(FEAT_LUA) || defined(PROTO) |
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21 |
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22 #define LUAVIM_CHUNKNAME "vim chunk" |
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23 #define LUAVIM_NAME "vim" |
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24 |
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25 typedef buf_T *luaV_Buffer; |
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26 typedef win_T *luaV_Window; |
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27 typedef void (*msgfunc_T)(char_u *); |
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28 |
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29 static const char LUAVIM_BUFFER[] = "buffer"; |
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30 static const char LUAVIM_WINDOW[] = "window"; |
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31 static const char LUAVIM_FREE[] = "luaV_free"; |
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32 |
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33 #define luaV_getfield(L, s) \ |
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34 lua_pushlightuserdata((L), (void *)(s)); \ |
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35 lua_rawget((L), LUA_REGISTRYINDEX) |
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36 #define luaV_checksandbox(L) \ |
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37 if (sandbox) luaL_error((L), "not allowed in sandbox") |
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38 #define luaV_msg(L) luaV_msgfunc((L), (msgfunc_T) msg) |
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39 #define luaV_emsg(L) luaV_msgfunc((L), (msgfunc_T) emsg) |
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40 |
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41 |
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42 #ifdef DYNAMIC_LUA |
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43 |
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44 #ifndef WIN3264 |
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45 # include <dlfcn.h> |
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46 # define HANDLE void* |
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47 # define load_dll(n) dlopen((n), RTLD_LAZY|RTLD_GLOBAL) |
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48 # define symbol_from_dll dlsym |
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49 # define close_dll dlclose |
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50 #else |
| 2612 | 51 # define load_dll vimLoadLib |
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52 # define symbol_from_dll GetProcAddress |
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53 # define close_dll FreeLibrary |
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54 #endif |
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55 |
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56 /* lauxlib */ |
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57 #define luaL_register dll_luaL_register |
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58 #define luaL_typerror dll_luaL_typerror |
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59 #define luaL_checklstring dll_luaL_checklstring |
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60 #define luaL_checkinteger dll_luaL_checkinteger |
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61 #define luaL_optinteger dll_luaL_optinteger |
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62 #define luaL_checktype dll_luaL_checktype |
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63 #define luaL_error dll_luaL_error |
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64 #define luaL_loadfile dll_luaL_loadfile |
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65 #define luaL_loadbuffer dll_luaL_loadbuffer |
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66 #define luaL_newstate dll_luaL_newstate |
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67 #define luaL_buffinit dll_luaL_buffinit |
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68 #define luaL_prepbuffer dll_luaL_prepbuffer |
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69 #define luaL_addlstring dll_luaL_addlstring |
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70 #define luaL_pushresult dll_luaL_pushresult |
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71 /* lua */ |
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72 #define lua_close dll_lua_close |
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73 #define lua_gettop dll_lua_gettop |
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74 #define lua_settop dll_lua_settop |
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75 #define lua_pushvalue dll_lua_pushvalue |
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76 #define lua_replace dll_lua_replace |
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77 #define lua_isnumber dll_lua_isnumber |
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78 #define lua_isstring dll_lua_isstring |
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79 #define lua_type dll_lua_type |
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80 #define lua_rawequal dll_lua_rawequal |
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81 #define lua_tonumber dll_lua_tonumber |
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82 #define lua_tointeger dll_lua_tointeger |
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83 #define lua_toboolean dll_lua_toboolean |
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84 #define lua_tolstring dll_lua_tolstring |
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85 #define lua_touserdata dll_lua_touserdata |
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86 #define lua_pushnil dll_lua_pushnil |
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87 #define lua_pushnumber dll_lua_pushnumber |
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88 #define lua_pushinteger dll_lua_pushinteger |
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89 #define lua_pushlstring dll_lua_pushlstring |
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90 #define lua_pushstring dll_lua_pushstring |
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91 #define lua_pushfstring dll_lua_pushfstring |
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92 #define lua_pushcclosure dll_lua_pushcclosure |
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93 #define lua_pushboolean dll_lua_pushboolean |
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94 #define lua_pushlightuserdata dll_lua_pushlightuserdata |
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95 #define lua_getfield dll_lua_getfield |
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96 #define lua_rawget dll_lua_rawget |
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97 #define lua_createtable dll_lua_createtable |
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98 #define lua_newuserdata dll_lua_newuserdata |
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99 #define lua_getmetatable dll_lua_getmetatable |
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100 #define lua_setfield dll_lua_setfield |
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101 #define lua_rawset dll_lua_rawset |
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102 #define lua_rawseti dll_lua_rawseti |
| 3091 | 103 #define lua_remove dll_lua_remove |
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104 #define lua_setmetatable dll_lua_setmetatable |
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105 #define lua_call dll_lua_call |
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106 #define lua_pcall dll_lua_pcall |
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107 /* libs */ |
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108 #define luaopen_base dll_luaopen_base |
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109 #define luaopen_table dll_luaopen_table |
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110 #define luaopen_string dll_luaopen_string |
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111 #define luaopen_math dll_luaopen_math |
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112 #define luaopen_io dll_luaopen_io |
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113 #define luaopen_os dll_luaopen_os |
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114 #define luaopen_package dll_luaopen_package |
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115 #define luaopen_debug dll_luaopen_debug |
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116 #define luaL_openlibs dll_luaL_openlibs |
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117 |
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118 /* lauxlib */ |
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119 void (*dll_luaL_register) (lua_State *L, const char *libname, const luaL_Reg *l); |
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120 int (*dll_luaL_typerror) (lua_State *L, int narg, const char *tname); |
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121 const char *(*dll_luaL_checklstring) (lua_State *L, int numArg, size_t *l); |
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122 lua_Integer (*dll_luaL_checkinteger) (lua_State *L, int numArg); |
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123 lua_Integer (*dll_luaL_optinteger) (lua_State *L, int nArg, lua_Integer def); |
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124 void (*dll_luaL_checktype) (lua_State *L, int narg, int t); |
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125 int (*dll_luaL_error) (lua_State *L, const char *fmt, ...); |
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126 int (*dll_luaL_loadfile) (lua_State *L, const char *filename); |
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127 int (*dll_luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz, const char *name); |
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128 lua_State *(*dll_luaL_newstate) (void); |
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129 void (*dll_luaL_buffinit) (lua_State *L, luaL_Buffer *B); |
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130 char *(*dll_luaL_prepbuffer) (luaL_Buffer *B); |
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131 void (*dll_luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); |
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132 void (*dll_luaL_pushresult) (luaL_Buffer *B); |
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133 /* lua */ |
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134 void (*dll_lua_close) (lua_State *L); |
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135 int (*dll_lua_gettop) (lua_State *L); |
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136 void (*dll_lua_settop) (lua_State *L, int idx); |
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137 void (*dll_lua_pushvalue) (lua_State *L, int idx); |
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138 void (*dll_lua_replace) (lua_State *L, int idx); |
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139 int (*dll_lua_isnumber) (lua_State *L, int idx); |
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140 int (*dll_lua_isstring) (lua_State *L, int idx); |
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141 int (*dll_lua_type) (lua_State *L, int idx); |
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142 int (*dll_lua_rawequal) (lua_State *L, int idx1, int idx2); |
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143 lua_Number (*dll_lua_tonumber) (lua_State *L, int idx); |
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144 lua_Integer (*dll_lua_tointeger) (lua_State *L, int idx); |
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145 int (*dll_lua_toboolean) (lua_State *L, int idx); |
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146 const char *(*dll_lua_tolstring) (lua_State *L, int idx, size_t *len); |
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147 void *(*dll_lua_touserdata) (lua_State *L, int idx); |
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148 void (*dll_lua_pushnil) (lua_State *L); |
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149 void (*dll_lua_pushnumber) (lua_State *L, lua_Number n); |
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150 void (*dll_lua_pushinteger) (lua_State *L, lua_Integer n); |
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151 void (*dll_lua_pushlstring) (lua_State *L, const char *s, size_t l); |
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152 void (*dll_lua_pushstring) (lua_State *L, const char *s); |
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153 const char *(*dll_lua_pushfstring) (lua_State *L, const char *fmt, ...); |
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154 void (*dll_lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); |
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155 void (*dll_lua_pushboolean) (lua_State *L, int b); |
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156 void (*dll_lua_pushlightuserdata) (lua_State *L, void *p); |
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157 void (*dll_lua_getfield) (lua_State *L, int idx, const char *k); |
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158 void (*dll_lua_rawget) (lua_State *L, int idx); |
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159 void (*dll_lua_createtable) (lua_State *L, int narr, int nrec); |
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160 void *(*dll_lua_newuserdata) (lua_State *L, size_t sz); |
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161 int (*dll_lua_getmetatable) (lua_State *L, int objindex); |
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162 void (*dll_lua_setfield) (lua_State *L, int idx, const char *k); |
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163 void (*dll_lua_rawset) (lua_State *L, int idx); |
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164 void (*dll_lua_rawseti) (lua_State *L, int idx, int n); |
| 3091 | 165 void (*dll_lua_remove) (lua_State *L, int idx); |
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166 int (*dll_lua_setmetatable) (lua_State *L, int objindex); |
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167 void (*dll_lua_call) (lua_State *L, int nargs, int nresults); |
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168 int (*dll_lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc); |
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169 /* libs */ |
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170 int (*dll_luaopen_base) (lua_State *L); |
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171 int (*dll_luaopen_table) (lua_State *L); |
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172 int (*dll_luaopen_string) (lua_State *L); |
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173 int (*dll_luaopen_math) (lua_State *L); |
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174 int (*dll_luaopen_io) (lua_State *L); |
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175 int (*dll_luaopen_os) (lua_State *L); |
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176 int (*dll_luaopen_package) (lua_State *L); |
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177 int (*dll_luaopen_debug) (lua_State *L); |
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178 void (*dll_luaL_openlibs) (lua_State *L); |
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179 |
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180 typedef void **luaV_function; |
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181 typedef struct { |
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182 const char *name; |
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183 luaV_function func; |
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184 } luaV_Reg; |
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185 |
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186 static const luaV_Reg luaV_dll[] = { |
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187 /* lauxlib */ |
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188 {"luaL_register", (luaV_function) &dll_luaL_register}, |
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189 {"luaL_typerror", (luaV_function) &dll_luaL_typerror}, |
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190 {"luaL_checklstring", (luaV_function) &dll_luaL_checklstring}, |
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191 {"luaL_checkinteger", (luaV_function) &dll_luaL_checkinteger}, |
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192 {"luaL_optinteger", (luaV_function) &dll_luaL_optinteger}, |
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193 {"luaL_checktype", (luaV_function) &dll_luaL_checktype}, |
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194 {"luaL_error", (luaV_function) &dll_luaL_error}, |
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195 {"luaL_loadfile", (luaV_function) &dll_luaL_loadfile}, |
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196 {"luaL_loadbuffer", (luaV_function) &dll_luaL_loadbuffer}, |
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197 {"luaL_newstate", (luaV_function) &dll_luaL_newstate}, |
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198 {"luaL_buffinit", (luaV_function) &dll_luaL_buffinit}, |
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199 {"luaL_prepbuffer", (luaV_function) &dll_luaL_prepbuffer}, |
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200 {"luaL_addlstring", (luaV_function) &dll_luaL_addlstring}, |
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201 {"luaL_pushresult", (luaV_function) &dll_luaL_pushresult}, |
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202 /* lua */ |
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203 {"lua_close", (luaV_function) &dll_lua_close}, |
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204 {"lua_gettop", (luaV_function) &dll_lua_gettop}, |
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205 {"lua_settop", (luaV_function) &dll_lua_settop}, |
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206 {"lua_pushvalue", (luaV_function) &dll_lua_pushvalue}, |
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207 {"lua_replace", (luaV_function) &dll_lua_replace}, |
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208 {"lua_isnumber", (luaV_function) &dll_lua_isnumber}, |
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209 {"lua_isstring", (luaV_function) &dll_lua_isstring}, |
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210 {"lua_type", (luaV_function) &dll_lua_type}, |
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211 {"lua_rawequal", (luaV_function) &dll_lua_rawequal}, |
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212 {"lua_tonumber", (luaV_function) &dll_lua_tonumber}, |
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213 {"lua_tointeger", (luaV_function) &dll_lua_tointeger}, |
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214 {"lua_toboolean", (luaV_function) &dll_lua_toboolean}, |
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215 {"lua_tolstring", (luaV_function) &dll_lua_tolstring}, |
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216 {"lua_touserdata", (luaV_function) &dll_lua_touserdata}, |
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217 {"lua_pushnil", (luaV_function) &dll_lua_pushnil}, |
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218 {"lua_pushnumber", (luaV_function) &dll_lua_pushnumber}, |
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219 {"lua_pushinteger", (luaV_function) &dll_lua_pushinteger}, |
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220 {"lua_pushlstring", (luaV_function) &dll_lua_pushlstring}, |
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221 {"lua_pushstring", (luaV_function) &dll_lua_pushstring}, |
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222 {"lua_pushfstring", (luaV_function) &dll_lua_pushfstring}, |
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223 {"lua_pushcclosure", (luaV_function) &dll_lua_pushcclosure}, |
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224 {"lua_pushboolean", (luaV_function) &dll_lua_pushboolean}, |
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225 {"lua_pushlightuserdata", (luaV_function) &dll_lua_pushlightuserdata}, |
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226 {"lua_getfield", (luaV_function) &dll_lua_getfield}, |
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227 {"lua_rawget", (luaV_function) &dll_lua_rawget}, |
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228 {"lua_createtable", (luaV_function) &dll_lua_createtable}, |
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229 {"lua_newuserdata", (luaV_function) &dll_lua_newuserdata}, |
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230 {"lua_getmetatable", (luaV_function) &dll_lua_getmetatable}, |
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231 {"lua_setfield", (luaV_function) &dll_lua_setfield}, |
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232 {"lua_rawset", (luaV_function) &dll_lua_rawset}, |
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233 {"lua_rawseti", (luaV_function) &dll_lua_rawseti}, |
| 3091 | 234 {"lua_remove", (luaV_function) &dll_lua_remove}, |
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235 {"lua_setmetatable", (luaV_function) &dll_lua_setmetatable}, |
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236 {"lua_call", (luaV_function) &dll_lua_call}, |
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237 {"lua_pcall", (luaV_function) &dll_lua_pcall}, |
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238 /* libs */ |
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239 {"luaopen_base", (luaV_function) &dll_luaopen_base}, |
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240 {"luaopen_table", (luaV_function) &dll_luaopen_table}, |
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241 {"luaopen_string", (luaV_function) &dll_luaopen_string}, |
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242 {"luaopen_math", (luaV_function) &dll_luaopen_math}, |
|
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243 {"luaopen_io", (luaV_function) &dll_luaopen_io}, |
|
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244 {"luaopen_os", (luaV_function) &dll_luaopen_os}, |
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245 {"luaopen_package", (luaV_function) &dll_luaopen_package}, |
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246 {"luaopen_debug", (luaV_function) &dll_luaopen_debug}, |
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247 {"luaL_openlibs", (luaV_function) &dll_luaL_openlibs}, |
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248 {NULL, NULL} |
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249 }; |
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250 |
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251 static HANDLE hinstLua = NULL; |
|
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252 |
| 2330 | 253 static void |
| 254 end_dynamic_lua(void) | |
| 255 { | |
| 256 if (hinstLua) | |
| 257 { | |
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258 close_dll(hinstLua); |
| 2330 | 259 hinstLua = 0; |
|
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260 } |
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261 } |
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262 |
| 2330 | 263 static int |
| 264 lua_link_init(char *libname, int verbose) | |
| 265 { | |
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266 const luaV_Reg *reg; |
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267 if (hinstLua) return OK; |
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268 hinstLua = load_dll(libname); |
| 2330 | 269 if (!hinstLua) |
| 270 { | |
| 271 if (verbose) | |
| 272 EMSG2(_(e_loadlib), libname); | |
| 273 return FAIL; | |
|
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274 } |
| 2330 | 275 for (reg = luaV_dll; reg->func; reg++) |
| 276 { | |
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277 if ((*reg->func = symbol_from_dll(hinstLua, reg->name)) == NULL) |
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278 { |
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279 close_dll(hinstLua); |
| 2330 | 280 hinstLua = 0; |
| 281 if (verbose) | |
| 282 EMSG2(_(e_loadfunc), reg->name); | |
| 283 return FAIL; | |
| 284 } | |
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285 } |
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286 return OK; |
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287 } |
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288 |
| 2330 | 289 int |
| 290 lua_enabled(int verbose) | |
| 291 { | |
|
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292 return lua_link_init(DYNAMIC_LUA_DLL, verbose) == OK; |
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293 } |
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294 |
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295 #endif /* DYNAMIC_LUA */ |
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296 |
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297 |
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298 /* ======= Internal ======= */ |
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299 |
| 2330 | 300 static void |
| 301 luaV_newmetatable(lua_State *L, const char *tname) | |
| 302 { | |
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303 lua_newtable(L); |
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304 lua_pushlightuserdata(L, (void *) tname); |
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305 lua_pushvalue(L, -2); |
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306 lua_rawset(L, LUA_REGISTRYINDEX); |
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307 } |
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308 |
| 2330 | 309 static void * |
| 310 luaV_toudata(lua_State *L, int ud, const char *tname) | |
| 311 { | |
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312 void *p = lua_touserdata(L, ud); |
| 2330 | 313 |
| 314 if (p != NULL) /* value is userdata? */ | |
| 315 { | |
| 316 if (lua_getmetatable(L, ud)) /* does it have a metatable? */ | |
| 317 { | |
| 318 luaV_getfield(L, tname); /* get metatable */ | |
| 319 if (lua_rawequal(L, -1, -2)) /* MTs match? */ | |
| 320 { | |
| 321 lua_pop(L, 2); /* MTs */ | |
| 322 return p; | |
| 323 } | |
| 324 } | |
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325 } |
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326 return NULL; |
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327 } |
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328 |
| 2330 | 329 static void * |
| 330 luaV_checkudata(lua_State *L, int ud, const char *tname) | |
| 331 { | |
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332 void *p = luaV_toudata(L, ud, tname); |
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333 if (p == NULL) luaL_typerror(L, ud, tname); |
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334 return p; |
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335 } |
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336 |
| 2330 | 337 static void |
| 338 luaV_pushtypval(lua_State *L, typval_T *tv) | |
| 339 { | |
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340 if (tv == NULL) luaL_error(L, "null type"); |
| 2330 | 341 switch (tv->v_type) |
| 342 { | |
| 343 case VAR_STRING: | |
| 344 lua_pushstring(L, (char *) tv->vval.v_string); | |
| 345 break; | |
| 346 case VAR_NUMBER: | |
| 347 lua_pushinteger(L, (int) tv->vval.v_number); | |
| 348 break; | |
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349 #ifdef FEAT_FLOAT |
| 2330 | 350 case VAR_FLOAT: |
| 351 lua_pushnumber(L, (lua_Number) tv->vval.v_float); | |
| 352 break; | |
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353 #endif |
| 2330 | 354 case VAR_LIST: { |
| 355 list_T *l = tv->vval.v_list; | |
| 356 | |
| 357 if (l != NULL) | |
| 358 { | |
| 359 /* check cache */ | |
| 360 lua_pushlightuserdata(L, (void *) l); | |
| 361 lua_rawget(L, LUA_ENVIRONINDEX); | |
| 362 if (lua_isnil(L, -1)) /* not interned? */ | |
| 363 { | |
| 364 listitem_T *li; | |
| 365 int n = 0; | |
| 366 lua_pop(L, 1); /* nil */ | |
| 367 lua_newtable(L); | |
| 368 lua_pushlightuserdata(L, (void *) l); | |
| 369 lua_pushvalue(L, -2); | |
| 370 lua_rawset(L, LUA_ENVIRONINDEX); | |
| 371 for (li = l->lv_first; li != NULL; li = li->li_next) | |
| 372 { | |
| 373 luaV_pushtypval(L, &li->li_tv); | |
| 374 lua_rawseti(L, -2, ++n); | |
| 375 } | |
| 376 } | |
| 377 } | |
| 378 else lua_pushnil(L); | |
| 379 break; | |
| 380 } | |
| 381 case VAR_DICT: { | |
| 382 dict_T *d = tv->vval.v_dict; | |
| 383 | |
| 384 if (d != NULL) | |
| 385 { | |
| 386 /* check cache */ | |
| 387 lua_pushlightuserdata(L, (void *) d); | |
| 388 lua_rawget(L, LUA_ENVIRONINDEX); | |
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389 if (lua_isnil(L, -1)) /* not interned? */ |
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390 { |
| 2330 | 391 hashtab_T *ht = &d->dv_hashtab; |
| 392 hashitem_T *hi; | |
| 393 int n = ht->ht_used; /* remaining items */ | |
| 394 lua_pop(L, 1); /* nil */ | |
| 395 lua_newtable(L); | |
| 396 lua_pushlightuserdata(L, (void *) d); | |
| 397 lua_pushvalue(L, -2); | |
| 398 lua_rawset(L, LUA_ENVIRONINDEX); | |
| 399 for (hi = ht->ht_array; n > 0; hi++) | |
| 400 { | |
| 401 if (!HASHITEM_EMPTY(hi)) | |
| 402 { | |
| 403 dictitem_T *di = dict_lookup(hi); | |
| 404 luaV_pushtypval(L, &di->di_tv); | |
| 405 lua_setfield(L, -2, (char *) hi->hi_key); | |
| 406 n--; | |
| 407 } | |
| 408 } | |
| 409 } | |
| 410 } | |
| 411 else lua_pushnil(L); | |
| 412 break; | |
| 413 } | |
| 414 default: | |
| 415 luaL_error(L, "invalid type"); | |
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416 } |
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417 } |
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418 |
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419 /* similar to luaL_addlstring, but replaces \0 with \n if toline and |
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420 * \n with \0 otherwise */ |
| 2330 | 421 static void |
| 422 luaV_addlstring(luaL_Buffer *b, const char *s, size_t l, int toline) | |
| 423 { | |
| 424 while (l--) | |
| 425 { | |
| 426 if (*s == '\0' && toline) | |
| 427 luaL_addchar(b, '\n'); | |
| 428 else if (*s == '\n' && !toline) | |
| 429 luaL_addchar(b, '\0'); | |
| 430 else | |
| 431 luaL_addchar(b, *s); | |
| 432 s++; | |
|
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433 } |
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434 } |
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435 |
| 2330 | 436 static void |
| 437 luaV_pushline(lua_State *L, buf_T *buf, linenr_T n) | |
| 438 { | |
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439 const char *s = (const char *) ml_get_buf(buf, n, FALSE); |
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440 luaL_Buffer b; |
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441 luaL_buffinit(L, &b); |
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442 luaV_addlstring(&b, s, strlen(s), 0); |
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443 luaL_pushresult(&b); |
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444 } |
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445 |
| 2330 | 446 static char_u * |
| 447 luaV_toline(lua_State *L, int pos) | |
| 448 { | |
|
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449 size_t l; |
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450 const char *s = lua_tolstring(L, pos, &l); |
| 2330 | 451 |
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452 luaL_Buffer b; |
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453 luaL_buffinit(L, &b); |
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454 luaV_addlstring(&b, s, l, 1); |
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455 luaL_pushresult(&b); |
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456 return (char_u *) lua_tostring(L, -1); |
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457 } |
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458 |
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459 /* pops a string s from the top of the stack and calls mf(t) for pieces t of |
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460 * s separated by newlines */ |
| 2330 | 461 static void |
| 462 luaV_msgfunc(lua_State *L, msgfunc_T mf) | |
| 463 { | |
|
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464 luaL_Buffer b; |
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465 size_t l; |
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466 const char *p, *s = lua_tolstring(L, -1, &l); |
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467 luaL_buffinit(L, &b); |
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468 luaV_addlstring(&b, s, l, 0); |
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469 luaL_pushresult(&b); |
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470 /* break string */ |
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471 p = s = lua_tolstring(L, -1, &l); |
| 2330 | 472 while (l--) |
| 473 { | |
| 474 if (*p++ == '\0') /* break? */ | |
| 475 { | |
| 476 mf((char_u *) s); | |
| 477 s = p; | |
| 478 } | |
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479 } |
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480 mf((char_u *) s); |
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481 lua_pop(L, 2); /* original and modified strings */ |
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482 } |
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483 |
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484 |
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485 /* ======= Buffer type ======= */ |
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486 |
| 2330 | 487 static luaV_Buffer * |
| 488 luaV_newbuffer(lua_State *L, buf_T *buf) | |
| 489 { | |
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490 luaV_Buffer *b = (luaV_Buffer *) lua_newuserdata(L, sizeof(luaV_Buffer)); |
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491 *b = buf; |
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492 lua_pushlightuserdata(L, (void *) buf); |
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493 lua_pushvalue(L, -2); |
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494 lua_rawset(L, LUA_ENVIRONINDEX); /* env[buf] = udata */ |
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495 /* to avoid GC, store as key in env */ |
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496 lua_pushvalue(L, -1); |
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497 lua_pushboolean(L, 1); |
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498 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = true */ |
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499 /* set metatable */ |
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500 luaV_getfield(L, LUAVIM_BUFFER); |
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501 lua_setmetatable(L, -2); |
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502 return b; |
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503 } |
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504 |
| 2330 | 505 static luaV_Buffer * |
| 506 luaV_pushbuffer (lua_State *L, buf_T *buf) | |
| 507 { | |
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508 luaV_Buffer *b = NULL; |
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509 if (buf == NULL) |
| 2330 | 510 lua_pushnil(L); |
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511 else { |
| 2330 | 512 lua_pushlightuserdata(L, (void *) buf); |
| 513 lua_rawget(L, LUA_ENVIRONINDEX); | |
| 514 if (lua_isnil(L, -1)) /* not interned? */ | |
| 515 { | |
| 516 lua_pop(L, 1); | |
| 517 b = luaV_newbuffer(L, buf); | |
| 518 } | |
| 519 else | |
| 520 b = (luaV_Buffer *) lua_touserdata(L, -1); | |
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521 } |
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522 return b; |
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523 } |
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524 |
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525 /* Buffer metamethods */ |
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526 |
| 2330 | 527 static int |
| 528 luaV_buffer_tostring(lua_State *L) | |
| 529 { | |
|
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530 lua_pushfstring(L, "%s: %p", LUAVIM_BUFFER, lua_touserdata(L, 1)); |
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531 return 1; |
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532 } |
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533 |
| 2330 | 534 static int |
| 535 luaV_buffer_len(lua_State *L) | |
| 536 { | |
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537 luaV_Buffer *b = lua_touserdata(L, 1); |
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538 lua_pushinteger(L, (*b)->b_ml.ml_line_count); |
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539 return 1; |
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540 } |
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541 |
| 2330 | 542 static int |
| 543 luaV_buffer_call(lua_State *L) | |
| 544 { | |
|
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545 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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546 lua_settop(L, 1); |
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547 set_curbuf(*b, DOBUF_SPLIT); |
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548 return 1; |
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549 } |
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550 |
| 2330 | 551 static int |
| 552 luaV_buffer_index(lua_State *L) | |
| 553 { | |
|
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554 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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555 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
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556 if (n > 0 && n <= (*b)->b_ml.ml_line_count) |
| 2330 | 557 luaV_pushline(L, *b, n); |
| 558 else if (lua_isstring(L, 2)) | |
| 559 { | |
| 560 const char *s = lua_tostring(L, 2); | |
| 561 if (strncmp(s, "name", 4) == 0) | |
| 562 lua_pushstring(L, (char *) (*b)->b_sfname); | |
| 563 else if (strncmp(s, "fname", 5) == 0) | |
| 564 lua_pushstring(L, (char *) (*b)->b_ffname); | |
| 565 else if (strncmp(s, "number", 6) == 0) | |
| 566 lua_pushinteger(L, (*b)->b_fnum); | |
| 567 /* methods */ | |
| 568 else if (strncmp(s, "insert", 6) == 0 | |
| 569 || strncmp(s, "next", 4) == 0 | |
| 570 || strncmp(s, "previous", 8) == 0 | |
| 571 || strncmp(s, "isvalid", 7) == 0) | |
| 572 { | |
| 573 lua_getmetatable(L, 1); | |
| 574 lua_getfield(L, -1, s); | |
| 575 } | |
| 576 else | |
| 577 lua_pushnil(L); | |
|
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578 } |
| 2330 | 579 else |
| 580 lua_pushnil(L); | |
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581 return 1; |
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582 } |
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583 |
| 2330 | 584 static int |
| 585 luaV_buffer_newindex(lua_State *L) | |
| 586 { | |
|
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587 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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588 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
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589 #ifdef HAVE_SANDBOX |
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590 luaV_checksandbox(L); |
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591 #endif |
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592 if (n < 1 || n > (*b)->b_ml.ml_line_count) |
| 2330 | 593 luaL_error(L, "invalid line number"); |
| 594 if (lua_isnil(L, 3)) /* delete line */ | |
| 595 { | |
| 596 buf_T *buf = curbuf; | |
| 597 curbuf = *b; | |
| 598 if (u_savedel(n, 1L) == FAIL) | |
| 599 { | |
| 600 curbuf = buf; | |
| 601 luaL_error(L, "cannot save undo information"); | |
| 602 } | |
| 603 else if (ml_delete(n, FALSE) == FAIL) | |
| 604 { | |
| 605 curbuf = buf; | |
| 606 luaL_error(L, "cannot delete line"); | |
| 607 } | |
| 608 else { | |
| 609 deleted_lines_mark(n, 1L); | |
| 610 if (*b == curwin->w_buffer) /* fix cursor in current window? */ | |
| 611 { | |
| 612 if (curwin->w_cursor.lnum >= n) | |
| 613 { | |
| 614 if (curwin->w_cursor.lnum > n) | |
| 615 { | |
| 616 curwin->w_cursor.lnum -= 1; | |
| 617 check_cursor_col(); | |
| 618 } | |
| 619 else check_cursor(); | |
| 620 changed_cline_bef_curs(); | |
| 621 } | |
| 622 invalidate_botline(); | |
| 623 } | |
| 624 } | |
| 625 curbuf = buf; | |
|
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|
626 } |
| 2330 | 627 else if (lua_isstring(L, 3)) /* update line */ |
| 628 { | |
| 629 buf_T *buf = curbuf; | |
| 630 curbuf = *b; | |
| 631 if (u_savesub(n) == FAIL) | |
| 632 { | |
| 633 curbuf = buf; | |
| 634 luaL_error(L, "cannot save undo information"); | |
| 635 } | |
| 636 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
| 637 { | |
| 638 curbuf = buf; | |
| 639 luaL_error(L, "cannot replace line"); | |
| 640 } | |
| 641 else changed_bytes(n, 0); | |
| 642 curbuf = buf; | |
| 643 if (*b == curwin->w_buffer) | |
| 644 check_cursor_col(); | |
|
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645 } |
|
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|
646 else |
| 2330 | 647 luaL_error(L, "wrong argument to change line"); |
|
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648 return 0; |
|
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649 } |
|
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|
650 |
| 2330 | 651 static int |
| 652 luaV_buffer_insert(lua_State *L) | |
| 653 { | |
|
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654 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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655 linenr_T last = (*b)->b_ml.ml_line_count; |
|
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656 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
|
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657 buf_T *buf; |
|
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658 luaL_checktype(L, 2, LUA_TSTRING); |
|
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659 #ifdef HAVE_SANDBOX |
|
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660 luaV_checksandbox(L); |
|
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661 #endif |
|
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|
662 /* fix insertion line */ |
|
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663 if (n < 0) n = 0; |
|
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664 if (n > last) n = last; |
|
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665 /* insert */ |
|
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666 buf = curbuf; |
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667 curbuf = *b; |
| 2330 | 668 if (u_save(n, n + 1) == FAIL) |
| 669 { | |
| 670 curbuf = buf; | |
| 671 luaL_error(L, "cannot save undo information"); | |
|
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672 } |
| 2330 | 673 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
| 674 { | |
| 675 curbuf = buf; | |
| 676 luaL_error(L, "cannot insert line"); | |
|
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677 } |
|
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678 else |
| 2330 | 679 appended_lines_mark(n, 1L); |
|
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680 curbuf = buf; |
|
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681 update_screen(VALID); |
|
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682 return 0; |
|
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683 } |
|
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|
684 |
| 2330 | 685 static int |
| 686 luaV_buffer_next(lua_State *L) | |
| 687 { | |
|
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688 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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689 luaV_pushbuffer(L, (*b)->b_next); |
|
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|
690 return 1; |
|
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|
691 } |
|
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|
692 |
| 2330 | 693 static int |
| 694 luaV_buffer_previous(lua_State *L) | |
| 695 { | |
|
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696 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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697 luaV_pushbuffer(L, (*b)->b_prev); |
|
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698 return 1; |
|
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699 } |
|
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|
700 |
| 2330 | 701 static int |
| 702 luaV_buffer_isvalid(lua_State *L) | |
| 703 { | |
|
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704 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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705 lua_pushlightuserdata(L, (void *) (*b)); |
|
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|
706 lua_rawget(L, LUA_ENVIRONINDEX); |
|
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707 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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708 return 1; |
|
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709 } |
|
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|
710 |
|
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|
711 static const luaL_Reg luaV_Buffer_mt[] = { |
|
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712 {"__tostring", luaV_buffer_tostring}, |
|
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713 {"__len", luaV_buffer_len}, |
|
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714 {"__call", luaV_buffer_call}, |
|
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|
715 {"__index", luaV_buffer_index}, |
|
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|
716 {"__newindex", luaV_buffer_newindex}, |
|
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|
717 {"insert", luaV_buffer_insert}, |
|
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|
718 {"next", luaV_buffer_next}, |
|
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|
719 {"previous", luaV_buffer_previous}, |
|
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|
720 {"isvalid", luaV_buffer_isvalid}, |
|
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|
721 {NULL, NULL} |
|
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|
722 }; |
|
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|
723 |
|
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|
724 |
|
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|
725 /* ======= Window type ======= */ |
|
966a5609669e
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|
726 |
| 2330 | 727 static luaV_Window * |
| 728 luaV_newwindow(lua_State *L, win_T *win) | |
| 729 { | |
|
2320
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|
730 luaV_Window *w = (luaV_Window *) lua_newuserdata(L, sizeof(luaV_Window)); |
|
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|
731 *w = win; |
|
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|
732 lua_pushlightuserdata(L, (void *) win); |
|
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diff
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|
733 lua_pushvalue(L, -2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
734 lua_rawset(L, LUA_ENVIRONINDEX); /* env[win] = udata */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
735 /* to avoid GC, store as key in env */ |
|
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parents:
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|
736 lua_pushvalue(L, -1); |
|
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|
737 lua_pushboolean(L, 1); |
|
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parents:
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|
738 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = true */ |
|
966a5609669e
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|
739 /* set metatable */ |
|
966a5609669e
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diff
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|
740 luaV_getfield(L, LUAVIM_WINDOW); |
|
966a5609669e
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diff
changeset
|
741 lua_setmetatable(L, -2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
742 return w; |
|
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Added Lua interfae. (Luis Carvalho)
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changeset
|
743 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
744 |
| 2330 | 745 static luaV_Window * |
| 746 luaV_pushwindow(lua_State *L, win_T *win) | |
| 747 { | |
|
2320
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|
748 luaV_Window *w = NULL; |
|
966a5609669e
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parents:
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|
749 if (win == NULL) |
| 2330 | 750 lua_pushnil(L); |
|
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|
751 else { |
| 2330 | 752 lua_pushlightuserdata(L, (void *) win); |
| 753 lua_rawget(L, LUA_ENVIRONINDEX); | |
| 754 if (lua_isnil(L, -1)) /* not interned? */ | |
| 755 { | |
| 756 lua_pop(L, 1); | |
| 757 w = luaV_newwindow(L, win); | |
| 758 } | |
| 759 else w = (luaV_Window *) lua_touserdata(L, -1); | |
|
2320
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|
760 } |
|
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|
761 return w; |
|
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|
762 } |
|
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diff
changeset
|
763 |
|
966a5609669e
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diff
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|
764 /* Window metamethods */ |
|
966a5609669e
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|
765 |
| 2330 | 766 static int |
| 767 luaV_window_tostring(lua_State *L) | |
| 768 { | |
|
2320
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diff
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|
769 lua_pushfstring(L, "%s: %p", LUAVIM_WINDOW, lua_touserdata(L, 1)); |
|
966a5609669e
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|
770 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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changeset
|
771 } |
|
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parents:
diff
changeset
|
772 |
| 2330 | 773 static int |
| 774 luaV_window_call(lua_State *L) | |
| 775 { | |
|
2320
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|
776 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
|
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|
777 lua_settop(L, 1); |
|
966a5609669e
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parents:
diff
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|
778 win_goto(*w); |
|
966a5609669e
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|
779 return 1; |
|
966a5609669e
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parents:
diff
changeset
|
780 } |
|
966a5609669e
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diff
changeset
|
781 |
| 2330 | 782 static int |
| 783 luaV_window_index(lua_State *L) | |
| 784 { | |
|
2320
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|
785 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
|
966a5609669e
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|
786 const char *s = luaL_checkstring(L, 2); |
|
966a5609669e
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|
787 if (strncmp(s, "buffer", 6) == 0) |
| 2330 | 788 luaV_pushbuffer(L, (*w)->w_buffer); |
|
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diff
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|
789 else if (strncmp(s, "line", 4) == 0) |
| 2330 | 790 lua_pushinteger(L, (*w)->w_cursor.lnum); |
|
2320
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diff
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|
791 else if (strncmp(s, "col", 3) == 0) |
| 2330 | 792 lua_pushinteger(L, (*w)->w_cursor.col + 1); |
|
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|
793 #ifdef FEAT_VERTSPLIT |
|
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|
794 else if (strncmp(s, "width", 5) == 0) |
| 2330 | 795 lua_pushinteger(L, W_WIDTH((*w))); |
|
2320
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parents:
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|
796 #endif |
|
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|
797 else if (strncmp(s, "height", 6) == 0) |
| 2330 | 798 lua_pushinteger(L, (*w)->w_height); |
|
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|
799 /* methods */ |
|
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parents:
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|
800 else if (strncmp(s, "next", 4) == 0 |
| 2330 | 801 || strncmp(s, "previous", 8) == 0 |
| 802 || strncmp(s, "isvalid", 7) == 0) | |
| 803 { | |
| 804 lua_getmetatable(L, 1); | |
| 805 lua_getfield(L, -1, s); | |
|
2320
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|
806 } |
|
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changeset
|
807 else |
| 2330 | 808 lua_pushnil(L); |
|
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|
809 return 1; |
|
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|
810 } |
|
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|
811 |
| 2330 | 812 static int |
| 813 luaV_window_newindex (lua_State *L) | |
| 814 { | |
|
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parents:
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|
815 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
|
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Added Lua interfae. (Luis Carvalho)
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|
816 const char *s = luaL_checkstring(L, 2); |
|
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|
817 int v = luaL_checkinteger(L, 3); |
| 2330 | 818 if (strncmp(s, "line", 4) == 0) |
| 819 { | |
|
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|
820 #ifdef HAVE_SANDBOX |
| 2330 | 821 luaV_checksandbox(L); |
|
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|
822 #endif |
| 2330 | 823 if (v < 1 || v > (*w)->w_buffer->b_ml.ml_line_count) |
| 824 luaL_error(L, "line out of range"); | |
| 825 (*w)->w_cursor.lnum = v; | |
| 826 update_screen(VALID); | |
|
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|
827 } |
| 2330 | 828 else if (strncmp(s, "col", 3) == 0) |
| 829 { | |
|
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|
830 #ifdef HAVE_SANDBOX |
| 2330 | 831 luaV_checksandbox(L); |
|
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|
832 #endif |
| 2330 | 833 (*w)->w_cursor.col = v - 1; |
| 834 update_screen(VALID); | |
|
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|
835 } |
|
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diff
changeset
|
836 #ifdef FEAT_VERTSPLIT |
| 2330 | 837 else if (strncmp(s, "width", 5) == 0) |
| 838 { | |
| 839 win_T *win = curwin; | |
|
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|
840 #ifdef FEAT_GUI |
| 2330 | 841 need_mouse_correct = TRUE; |
|
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|
842 #endif |
| 2330 | 843 curwin = *w; |
| 844 win_setwidth(v); | |
| 845 curwin = win; | |
|
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|
846 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
847 #endif |
| 2330 | 848 else if (strncmp(s, "height", 6) == 0) |
| 849 { | |
| 850 win_T *win = curwin; | |
|
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parents:
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|
851 #ifdef FEAT_GUI |
| 2330 | 852 need_mouse_correct = TRUE; |
|
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|
853 #endif |
| 2330 | 854 curwin = *w; |
| 855 win_setheight(v); | |
| 856 curwin = win; | |
|
2320
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|
857 } |
|
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|
858 else |
| 2330 | 859 luaL_error(L, "invalid window property: `%s'", s); |
|
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|
860 return 0; |
|
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|
861 } |
|
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|
862 |
| 2330 | 863 static int |
| 864 luaV_window_next(lua_State *L) | |
| 865 { | |
|
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Added Lua interfae. (Luis Carvalho)
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|
866 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
|
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|
867 luaV_pushwindow(L, (*w)->w_next); |
|
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parents:
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|
868 return 1; |
|
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|
869 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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changeset
|
870 |
| 2330 | 871 static int |
| 872 luaV_window_previous(lua_State *L) | |
| 873 { | |
|
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|
874 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
|
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|
875 luaV_pushwindow(L, (*w)->w_prev); |
|
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|
876 return 1; |
|
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|
877 } |
|
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parents:
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|
878 |
| 2330 | 879 static int |
| 880 luaV_window_isvalid(lua_State *L) | |
| 881 { | |
|
2320
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changeset
|
882 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
|
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|
883 lua_pushlightuserdata(L, (void *) (*w)); |
|
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Added Lua interfae. (Luis Carvalho)
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|
884 lua_rawget(L, LUA_ENVIRONINDEX); |
|
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parents:
diff
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|
885 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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|
886 return 1; |
|
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|
887 } |
|
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|
888 |
|
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|
889 static const luaL_Reg luaV_Window_mt[] = { |
|
966a5609669e
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diff
changeset
|
890 {"__tostring", luaV_window_tostring}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
891 {"__call", luaV_window_call}, |
|
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Added Lua interfae. (Luis Carvalho)
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diff
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|
892 {"__index", luaV_window_index}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
893 {"__newindex", luaV_window_newindex}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
894 {"next", luaV_window_next}, |
|
966a5609669e
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parents:
diff
changeset
|
895 {"previous", luaV_window_previous}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
896 {"isvalid", luaV_window_isvalid}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
897 {NULL, NULL} |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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changeset
|
898 }; |
|
966a5609669e
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parents:
diff
changeset
|
899 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
900 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
901 /* ======= Vim module ======= */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
902 |
| 2330 | 903 static int |
| 904 luaV_print(lua_State *L) | |
| 905 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
906 int i, n = lua_gettop(L); /* nargs */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
907 const char *s; |
|
966a5609669e
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parents:
diff
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|
908 size_t l; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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diff
changeset
|
909 luaL_Buffer b; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
910 luaL_buffinit(L, &b); |
|
966a5609669e
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parents:
diff
changeset
|
911 lua_getglobal(L, "tostring"); |
| 2330 | 912 for (i = 1; i <= n; i++) |
| 913 { | |
| 914 lua_pushvalue(L, -1); /* tostring */ | |
| 915 lua_pushvalue(L, i); /* arg */ | |
| 916 lua_call(L, 1, 1); | |
| 917 s = lua_tolstring(L, -1, &l); | |
| 918 if (s == NULL) | |
| 919 return luaL_error(L, "cannot convert to string"); | |
| 920 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
| 921 luaV_addlstring(&b, s, l, 0); | |
| 922 lua_pop(L, 1); | |
|
2320
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diff
changeset
|
923 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
924 luaL_pushresult(&b); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
925 luaV_msg(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
926 return 0; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
927 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
928 |
| 2330 | 929 static int |
| 3091 | 930 luaV_debug(lua_State *L) |
| 931 { | |
| 932 lua_settop(L, 0); | |
| 933 lua_getglobal(L, "vim"); | |
| 934 lua_getfield(L, -1, "eval"); | |
| 935 lua_remove(L, -2); /* vim.eval at position 1 */ | |
| 936 for (;;) | |
| 937 { | |
| 938 const char *input; | |
| 939 size_t l; | |
| 940 lua_pushvalue(L, 1); /* vim.eval */ | |
| 941 lua_pushliteral(L, "input('lua_debug> ')"); | |
| 942 lua_call(L, 1, 1); /* return string */ | |
| 943 input = lua_tolstring(L, -1, &l); | |
| 944 if (l == 0 || strcmp(input, "cont") == 0) | |
| 945 return 0; | |
| 946 msg_putchar('\n'); /* avoid outputting on input line */ | |
| 947 if (luaL_loadbuffer(L, input, l, "=(debug command)") | |
| 948 || lua_pcall(L, 0, 0, 0)) | |
| 949 luaV_emsg(L); | |
| 950 lua_settop(L, 1); /* remove eventual returns, but keep vim.eval */ | |
| 951 } | |
| 952 } | |
| 953 | |
| 954 static int | |
| 2330 | 955 luaV_command(lua_State *L) |
| 956 { | |
|
2320
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parents:
diff
changeset
|
957 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
958 update_screen(VALID); |
|
966a5609669e
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parents:
diff
changeset
|
959 return 0; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
960 } |
|
966a5609669e
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parents:
diff
changeset
|
961 |
| 2330 | 962 static int |
| 963 luaV_eval(lua_State *L) | |
| 964 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
965 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
|
966a5609669e
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parents:
diff
changeset
|
966 if (tv == NULL) luaL_error(L, "invalid expression"); |
|
966a5609669e
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parents:
diff
changeset
|
967 luaV_pushtypval(L, tv); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
968 return 1; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
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|
969 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
970 |
| 2330 | 971 static int |
|
2331
3840b7508835
Make it easier to build with Lua. Remove compiler warnings.
Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
972 luaV_beep(lua_State *L UNUSED) |
| 2330 | 973 { |
|
2320
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parents:
diff
changeset
|
974 vim_beep(); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
975 return 0; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
976 } |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
977 |
| 2330 | 978 static int |
| 979 luaV_line(lua_State *L) | |
| 980 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
981 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
982 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
983 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
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|
984 |
| 2330 | 985 static int |
| 986 luaV_buffer(lua_State *L) | |
| 987 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
988 buf_T *buf; |
| 2330 | 989 if (lua_isstring(L, 1)) /* get by number or name? */ |
| 990 { | |
| 991 if (lua_isnumber(L, 1)) /* by number? */ | |
| 992 { | |
| 993 int n = lua_tointeger(L, 1); | |
| 994 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 995 if (buf->b_fnum == n) break; | |
| 996 } | |
| 997 else { /* by name */ | |
| 998 size_t l; | |
| 999 const char *s = lua_tolstring(L, 1, &l); | |
| 1000 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 1001 { | |
| 1002 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
| 1003 { | |
| 1004 if (l == 0) break; | |
| 1005 } | |
|
2331
3840b7508835
Make it easier to build with Lua. Remove compiler warnings.
Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
1006 else if (strncmp(s, (char *)buf->b_ffname, l) == 0 |
|
3840b7508835
Make it easier to build with Lua. Remove compiler warnings.
Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
1007 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
| 2330 | 1008 break; |
| 1009 } | |
| 1010 } | |
| 1011 if (buf == NULL) /* not found? */ | |
| 1012 lua_pushnil(L); | |
| 1013 else | |
| 1014 luaV_pushbuffer(L, buf); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1015 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1016 else { |
| 2330 | 1017 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
| 1018 luaV_pushbuffer(L, buf); | |
|
2320
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1019 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1020 return 1; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
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|
1021 } |
|
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Bram Moolenaar <bram@vim.org>
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|
1022 |
| 2330 | 1023 static int |
| 1024 luaV_window(lua_State *L) | |
| 1025 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1026 win_T *win; |
| 2330 | 1027 if (lua_isnumber(L, 1)) /* get by number? */ |
| 1028 { | |
| 1029 int n = lua_tointeger(L, 1); | |
| 1030 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
| 1031 if (n == 1) break; | |
| 1032 if (win == NULL) /* not found? */ | |
| 1033 lua_pushnil(L); | |
| 1034 else | |
| 1035 luaV_pushwindow(L, win); | |
|
2320
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parents:
diff
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|
1036 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1037 else { |
| 2330 | 1038 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
| 1039 luaV_pushwindow(L, win); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1040 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1041 return 1; |
|
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Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1042 } |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
1043 |
| 2330 | 1044 static int |
| 1045 luaV_open(lua_State *L) | |
| 1046 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
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|
1047 luaV_Buffer *b; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
1048 char_u *s = NULL; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
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|
1049 #ifdef HAVE_SANDBOX |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1050 luaV_checksandbox(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1051 #endif |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
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changeset
|
1052 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
1053 b = luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1054 return 1; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
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|
1055 } |
|
966a5609669e
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parents:
diff
changeset
|
1056 |
| 2330 | 1057 static int |
| 1058 luaV_isbuffer(lua_State *L) | |
| 1059 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1060 lua_pushboolean(L, luaV_toudata(L, 1, LUAVIM_BUFFER) != NULL); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1061 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
1062 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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diff
changeset
|
1063 |
| 2330 | 1064 static int |
| 1065 luaV_iswindow(lua_State *L) | |
| 1066 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1067 lua_pushboolean(L, luaV_toudata(L, 1, LUAVIM_WINDOW) != NULL); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1068 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1069 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1070 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1071 /* for freeing buffer and window objects; lightuserdata as arg */ |
| 2330 | 1072 static int |
| 1073 luaV_free(lua_State *L) | |
| 1074 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1075 lua_pushvalue(L, 1); /* lightudata */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1076 lua_rawget(L, LUA_ENVIRONINDEX); |
| 2330 | 1077 if (!lua_isnil(L, -1)) |
| 1078 { | |
| 1079 lua_pushnil(L); | |
| 1080 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = nil */ | |
| 1081 lua_pushnil(L); | |
| 1082 lua_rawset(L, LUA_ENVIRONINDEX); /* env[lightudata] = nil */ | |
|
2320
966a5609669e
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parents:
diff
changeset
|
1083 } |
|
966a5609669e
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parents:
diff
changeset
|
1084 return 0; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1085 } |
|
966a5609669e
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parents:
diff
changeset
|
1086 |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1087 static const luaL_Reg luaV_module[] = { |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
1088 {"command", luaV_command}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1089 {"eval", luaV_eval}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1090 {"beep", luaV_beep}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1091 {"line", luaV_line}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1092 {"buffer", luaV_buffer}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1093 {"window", luaV_window}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1094 {"open", luaV_open}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1095 {"isbuffer", luaV_isbuffer}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1096 {"iswindow", luaV_iswindow}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1097 {NULL, NULL} |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1098 }; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1099 |
| 2330 | 1100 static int |
| 1101 luaopen_vim(lua_State *L) | |
| 1102 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1103 /* set environment */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1104 lua_newtable(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1105 lua_newtable(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1106 lua_pushliteral(L, "v"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1107 lua_setfield(L, -2, "__mode"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1108 lua_setmetatable(L, -2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1109 lua_replace(L, LUA_ENVIRONINDEX); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1110 /* print */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1111 lua_pushcfunction(L, luaV_print); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1112 lua_setglobal(L, "print"); |
| 3091 | 1113 /* debug.debug */ |
| 1114 lua_getglobal(L, "debug"); | |
| 1115 lua_pushcfunction(L, luaV_debug); | |
| 1116 lua_setfield(L, -2, "debug"); | |
| 1117 lua_pop(L, 1); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1118 /* free */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1119 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1120 lua_pushcfunction(L, luaV_free); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1121 lua_rawset(L, LUA_REGISTRYINDEX); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1122 /* register */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1123 luaV_newmetatable(L, LUAVIM_BUFFER); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1124 luaL_register(L, NULL, luaV_Buffer_mt); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1125 luaV_newmetatable(L, LUAVIM_WINDOW); |
|
966a5609669e
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parents:
diff
changeset
|
1126 luaL_register(L, NULL, luaV_Window_mt); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1127 luaL_register(L, LUAVIM_NAME, luaV_module); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1128 return 0; |
|
966a5609669e
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parents:
diff
changeset
|
1129 } |
|
966a5609669e
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parents:
diff
changeset
|
1130 |
| 2330 | 1131 static lua_State * |
| 1132 luaV_newstate(void) | |
| 1133 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1134 lua_State *L = luaL_newstate(); |
|
2431
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1135 luaL_openlibs(L); /* core libs */ |
|
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1136 lua_pushcfunction(L, luaopen_vim); /* vim */ |
|
2320
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1137 lua_call(L, 0, 0); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1138 return L; |
|
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diff
changeset
|
1139 } |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1140 |
| 2330 | 1141 static void |
| 1142 luaV_setrange(lua_State *L, int line1, int line2) | |
| 1143 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1144 lua_getglobal(L, LUAVIM_NAME); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1145 lua_pushinteger(L, line1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1146 lua_setfield(L, -2, "firstline"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1147 lua_pushinteger(L, line2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1148 lua_setfield(L, -2, "lastline"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1149 lua_pop(L, 1); /* vim table */ |
|
966a5609669e
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parents:
diff
changeset
|
1150 } |
|
966a5609669e
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parents:
diff
changeset
|
1151 |
|
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parents:
diff
changeset
|
1152 |
|
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parents:
diff
changeset
|
1153 /* ======= Interface ======= */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1154 |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1155 static lua_State *L = NULL; |
|
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1156 |
| 2330 | 1157 static int |
|
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1158 lua_is_open(void) |
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1159 { |
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1160 return L != NULL; |
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1161 } |
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1162 |
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1163 static int |
| 2330 | 1164 lua_init(void) |
| 1165 { | |
| 1166 if (L == NULL) | |
| 1167 { | |
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1168 #ifdef DYNAMIC_LUA |
| 2330 | 1169 if (!lua_enabled(TRUE)) |
| 1170 { | |
| 1171 EMSG(_("Lua library cannot be loaded.")); | |
| 1172 return FAIL; | |
| 1173 } | |
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1174 #endif |
| 2330 | 1175 L = luaV_newstate(); |
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1176 } |
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1177 return OK; |
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1178 } |
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1179 |
| 2330 | 1180 void |
| 1181 lua_end(void) | |
| 1182 { | |
| 1183 if (L != NULL) | |
| 1184 { | |
| 1185 lua_close(L); | |
| 1186 L = NULL; | |
|
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1187 #ifdef DYNAMIC_LUA |
| 2330 | 1188 end_dynamic_lua(); |
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1189 #endif |
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1190 } |
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1191 } |
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1192 |
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1193 /* ex commands */ |
| 2330 | 1194 void |
| 1195 ex_lua(exarg_T *eap) | |
| 1196 { | |
|
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1197 char *script; |
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1198 if (lua_init() == FAIL) return; |
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1199 script = (char *) script_get(eap, eap->arg); |
| 2330 | 1200 if (!eap->skip) |
| 1201 { | |
| 1202 char *s = (script) ? script : (char *) eap->arg; | |
| 1203 luaV_setrange(L, eap->line1, eap->line2); | |
| 1204 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
| 1205 || lua_pcall(L, 0, 0, 0)) | |
| 1206 luaV_emsg(L); | |
|
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1207 } |
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1208 if (script != NULL) vim_free(script); |
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1209 } |
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1210 |
| 2330 | 1211 void |
| 1212 ex_luado(exarg_T *eap) | |
| 1213 { | |
|
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1214 linenr_T l; |
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1215 const char *s = (const char *) eap->arg; |
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1216 luaL_Buffer b; |
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1217 size_t len; |
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1218 if (lua_init() == FAIL) return; |
| 2330 | 1219 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
| 1220 { | |
| 1221 EMSG(_("cannot save undo information")); | |
| 1222 return; | |
|
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1223 } |
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1224 luaV_setrange(L, eap->line1, eap->line2); |
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1225 luaL_buffinit(L, &b); |
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1226 luaL_addlstring(&b, "return function(line) ", 22); /* header */ |
|
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1227 luaL_addlstring(&b, s, strlen(s)); |
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1228 luaL_addlstring(&b, " end", 4); /* footer */ |
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1229 luaL_pushresult(&b); |
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1230 s = lua_tolstring(L, -1, &len); |
| 2330 | 1231 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
| 1232 { | |
| 1233 luaV_emsg(L); | |
| 1234 lua_pop(L, 1); /* function body */ | |
| 1235 return; | |
|
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1236 } |
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1237 lua_call(L, 0, 1); |
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1238 lua_replace(L, -2); /* function -> body */ |
| 2330 | 1239 for (l = eap->line1; l <= eap->line2; l++) |
| 1240 { | |
| 1241 lua_pushvalue(L, -1); /* function */ | |
| 1242 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
| 1243 if (lua_pcall(L, 1, 1, 0)) | |
| 1244 { | |
| 1245 luaV_emsg(L); | |
| 1246 break; | |
| 1247 } | |
| 1248 if (lua_isstring(L, -1)) /* update line? */ | |
| 1249 { | |
|
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1250 #ifdef HAVE_SANDBOX |
| 2330 | 1251 luaV_checksandbox(L); |
|
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1252 #endif |
| 2330 | 1253 ml_replace(l, luaV_toline(L, -1), TRUE); |
| 1254 changed_bytes(l, 0); | |
| 1255 lua_pop(L, 1); /* result from luaV_toline */ | |
| 1256 } | |
| 1257 lua_pop(L, 1); /* line */ | |
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1258 } |
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1259 lua_pop(L, 1); /* function */ |
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1260 check_cursor(); |
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1261 update_screen(NOT_VALID); |
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1262 } |
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1263 |
| 2330 | 1264 void |
| 1265 ex_luafile(exarg_T *eap) | |
| 1266 { | |
| 1267 if (lua_init() == FAIL) | |
| 1268 return; | |
| 1269 if (!eap->skip) | |
| 1270 { | |
| 1271 luaV_setrange(L, eap->line1, eap->line2); | |
| 1272 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
| 1273 luaV_emsg(L); | |
|
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1274 } |
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1275 } |
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1276 |
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1277 /* buffer */ |
| 2330 | 1278 void |
| 1279 lua_buffer_free(buf_T *buf) | |
| 1280 { | |
|
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1281 if (!lua_is_open()) return; |
|
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1282 luaV_getfield(L, LUAVIM_FREE); |
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1283 lua_pushlightuserdata(L, (void *) buf); |
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1284 lua_call(L, 1, 0); |
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1285 } |
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1286 |
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1287 /* window */ |
| 2330 | 1288 void |
| 1289 lua_window_free(win_T *win) | |
| 1290 { | |
|
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1291 if (!lua_is_open()) return; |
|
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1292 luaV_getfield(L, LUAVIM_FREE); |
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1293 lua_pushlightuserdata(L, (void *) win); |
|
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1294 lua_call(L, 1, 0); |
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1295 } |
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1296 |
|
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1297 #endif |