Mercurial > vim
annotate src/if_lua.c @ 2683:0c7d6d01e058 v7.3.101
updated for version 7.3.101
Problem: ino_t defined with wrong size.
Solution: Move including auto/config.h before other includes. (Marius
Geminas)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Mon, 17 Jan 2011 19:53:27 +0100 |
| parents | fa5dee44df3f |
| children | 92a181a1cec3 |
| 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 |
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103 #define lua_setmetatable dll_lua_setmetatable |
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104 #define lua_call dll_lua_call |
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105 #define lua_pcall dll_lua_pcall |
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106 /* libs */ |
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107 #define luaopen_base dll_luaopen_base |
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108 #define luaopen_table dll_luaopen_table |
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109 #define luaopen_string dll_luaopen_string |
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110 #define luaopen_math dll_luaopen_math |
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111 #define luaopen_io dll_luaopen_io |
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112 #define luaopen_os dll_luaopen_os |
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113 #define luaopen_package dll_luaopen_package |
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114 #define luaopen_debug dll_luaopen_debug |
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115 #define luaL_openlibs dll_luaL_openlibs |
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116 |
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117 /* lauxlib */ |
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118 void (*dll_luaL_register) (lua_State *L, const char *libname, const luaL_Reg *l); |
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119 int (*dll_luaL_typerror) (lua_State *L, int narg, const char *tname); |
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120 const char *(*dll_luaL_checklstring) (lua_State *L, int numArg, size_t *l); |
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121 lua_Integer (*dll_luaL_checkinteger) (lua_State *L, int numArg); |
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122 lua_Integer (*dll_luaL_optinteger) (lua_State *L, int nArg, lua_Integer def); |
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123 void (*dll_luaL_checktype) (lua_State *L, int narg, int t); |
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124 int (*dll_luaL_error) (lua_State *L, const char *fmt, ...); |
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125 int (*dll_luaL_loadfile) (lua_State *L, const char *filename); |
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126 int (*dll_luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz, const char *name); |
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127 lua_State *(*dll_luaL_newstate) (void); |
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128 void (*dll_luaL_buffinit) (lua_State *L, luaL_Buffer *B); |
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129 char *(*dll_luaL_prepbuffer) (luaL_Buffer *B); |
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130 void (*dll_luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l); |
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131 void (*dll_luaL_pushresult) (luaL_Buffer *B); |
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132 /* lua */ |
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133 void (*dll_lua_close) (lua_State *L); |
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134 int (*dll_lua_gettop) (lua_State *L); |
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135 void (*dll_lua_settop) (lua_State *L, int idx); |
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136 void (*dll_lua_pushvalue) (lua_State *L, int idx); |
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137 void (*dll_lua_replace) (lua_State *L, int idx); |
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138 int (*dll_lua_isnumber) (lua_State *L, int idx); |
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139 int (*dll_lua_isstring) (lua_State *L, int idx); |
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140 int (*dll_lua_type) (lua_State *L, int idx); |
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141 int (*dll_lua_rawequal) (lua_State *L, int idx1, int idx2); |
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142 lua_Number (*dll_lua_tonumber) (lua_State *L, int idx); |
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143 lua_Integer (*dll_lua_tointeger) (lua_State *L, int idx); |
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144 int (*dll_lua_toboolean) (lua_State *L, int idx); |
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145 const char *(*dll_lua_tolstring) (lua_State *L, int idx, size_t *len); |
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146 void *(*dll_lua_touserdata) (lua_State *L, int idx); |
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147 void (*dll_lua_pushnil) (lua_State *L); |
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148 void (*dll_lua_pushnumber) (lua_State *L, lua_Number n); |
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149 void (*dll_lua_pushinteger) (lua_State *L, lua_Integer n); |
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150 void (*dll_lua_pushlstring) (lua_State *L, const char *s, size_t l); |
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151 void (*dll_lua_pushstring) (lua_State *L, const char *s); |
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152 const char *(*dll_lua_pushfstring) (lua_State *L, const char *fmt, ...); |
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153 void (*dll_lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n); |
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154 void (*dll_lua_pushboolean) (lua_State *L, int b); |
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155 void (*dll_lua_pushlightuserdata) (lua_State *L, void *p); |
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156 void (*dll_lua_getfield) (lua_State *L, int idx, const char *k); |
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157 void (*dll_lua_rawget) (lua_State *L, int idx); |
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158 void (*dll_lua_createtable) (lua_State *L, int narr, int nrec); |
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159 void *(*dll_lua_newuserdata) (lua_State *L, size_t sz); |
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160 int (*dll_lua_getmetatable) (lua_State *L, int objindex); |
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161 void (*dll_lua_setfield) (lua_State *L, int idx, const char *k); |
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162 void (*dll_lua_rawset) (lua_State *L, int idx); |
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163 void (*dll_lua_rawseti) (lua_State *L, int idx, int n); |
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164 int (*dll_lua_setmetatable) (lua_State *L, int objindex); |
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165 void (*dll_lua_call) (lua_State *L, int nargs, int nresults); |
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166 int (*dll_lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc); |
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167 /* libs */ |
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168 int (*dll_luaopen_base) (lua_State *L); |
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169 int (*dll_luaopen_table) (lua_State *L); |
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170 int (*dll_luaopen_string) (lua_State *L); |
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171 int (*dll_luaopen_math) (lua_State *L); |
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172 int (*dll_luaopen_io) (lua_State *L); |
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173 int (*dll_luaopen_os) (lua_State *L); |
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174 int (*dll_luaopen_package) (lua_State *L); |
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175 int (*dll_luaopen_debug) (lua_State *L); |
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176 void (*dll_luaL_openlibs) (lua_State *L); |
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177 |
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178 typedef void **luaV_function; |
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179 typedef struct { |
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180 const char *name; |
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181 luaV_function func; |
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182 } luaV_Reg; |
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183 |
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184 static const luaV_Reg luaV_dll[] = { |
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185 /* lauxlib */ |
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186 {"luaL_register", (luaV_function) &dll_luaL_register}, |
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187 {"luaL_typerror", (luaV_function) &dll_luaL_typerror}, |
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188 {"luaL_checklstring", (luaV_function) &dll_luaL_checklstring}, |
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189 {"luaL_checkinteger", (luaV_function) &dll_luaL_checkinteger}, |
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190 {"luaL_optinteger", (luaV_function) &dll_luaL_optinteger}, |
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191 {"luaL_checktype", (luaV_function) &dll_luaL_checktype}, |
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192 {"luaL_error", (luaV_function) &dll_luaL_error}, |
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193 {"luaL_loadfile", (luaV_function) &dll_luaL_loadfile}, |
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194 {"luaL_loadbuffer", (luaV_function) &dll_luaL_loadbuffer}, |
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195 {"luaL_newstate", (luaV_function) &dll_luaL_newstate}, |
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196 {"luaL_buffinit", (luaV_function) &dll_luaL_buffinit}, |
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197 {"luaL_prepbuffer", (luaV_function) &dll_luaL_prepbuffer}, |
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198 {"luaL_addlstring", (luaV_function) &dll_luaL_addlstring}, |
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199 {"luaL_pushresult", (luaV_function) &dll_luaL_pushresult}, |
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200 /* lua */ |
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201 {"lua_close", (luaV_function) &dll_lua_close}, |
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202 {"lua_gettop", (luaV_function) &dll_lua_gettop}, |
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203 {"lua_settop", (luaV_function) &dll_lua_settop}, |
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204 {"lua_pushvalue", (luaV_function) &dll_lua_pushvalue}, |
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205 {"lua_replace", (luaV_function) &dll_lua_replace}, |
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206 {"lua_isnumber", (luaV_function) &dll_lua_isnumber}, |
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207 {"lua_isstring", (luaV_function) &dll_lua_isstring}, |
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208 {"lua_type", (luaV_function) &dll_lua_type}, |
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209 {"lua_rawequal", (luaV_function) &dll_lua_rawequal}, |
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210 {"lua_tonumber", (luaV_function) &dll_lua_tonumber}, |
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211 {"lua_tointeger", (luaV_function) &dll_lua_tointeger}, |
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212 {"lua_toboolean", (luaV_function) &dll_lua_toboolean}, |
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213 {"lua_tolstring", (luaV_function) &dll_lua_tolstring}, |
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214 {"lua_touserdata", (luaV_function) &dll_lua_touserdata}, |
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215 {"lua_pushnil", (luaV_function) &dll_lua_pushnil}, |
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216 {"lua_pushnumber", (luaV_function) &dll_lua_pushnumber}, |
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217 {"lua_pushinteger", (luaV_function) &dll_lua_pushinteger}, |
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218 {"lua_pushlstring", (luaV_function) &dll_lua_pushlstring}, |
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219 {"lua_pushstring", (luaV_function) &dll_lua_pushstring}, |
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220 {"lua_pushfstring", (luaV_function) &dll_lua_pushfstring}, |
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221 {"lua_pushcclosure", (luaV_function) &dll_lua_pushcclosure}, |
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222 {"lua_pushboolean", (luaV_function) &dll_lua_pushboolean}, |
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223 {"lua_pushlightuserdata", (luaV_function) &dll_lua_pushlightuserdata}, |
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224 {"lua_getfield", (luaV_function) &dll_lua_getfield}, |
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225 {"lua_rawget", (luaV_function) &dll_lua_rawget}, |
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226 {"lua_createtable", (luaV_function) &dll_lua_createtable}, |
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227 {"lua_newuserdata", (luaV_function) &dll_lua_newuserdata}, |
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228 {"lua_getmetatable", (luaV_function) &dll_lua_getmetatable}, |
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229 {"lua_setfield", (luaV_function) &dll_lua_setfield}, |
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230 {"lua_rawset", (luaV_function) &dll_lua_rawset}, |
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231 {"lua_rawseti", (luaV_function) &dll_lua_rawseti}, |
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232 {"lua_setmetatable", (luaV_function) &dll_lua_setmetatable}, |
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233 {"lua_call", (luaV_function) &dll_lua_call}, |
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234 {"lua_pcall", (luaV_function) &dll_lua_pcall}, |
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235 /* libs */ |
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236 {"luaopen_base", (luaV_function) &dll_luaopen_base}, |
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237 {"luaopen_table", (luaV_function) &dll_luaopen_table}, |
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238 {"luaopen_string", (luaV_function) &dll_luaopen_string}, |
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239 {"luaopen_math", (luaV_function) &dll_luaopen_math}, |
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240 {"luaopen_io", (luaV_function) &dll_luaopen_io}, |
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241 {"luaopen_os", (luaV_function) &dll_luaopen_os}, |
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242 {"luaopen_package", (luaV_function) &dll_luaopen_package}, |
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243 {"luaopen_debug", (luaV_function) &dll_luaopen_debug}, |
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244 {"luaL_openlibs", (luaV_function) &dll_luaL_openlibs}, |
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245 {NULL, NULL} |
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246 }; |
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247 |
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248 static HANDLE hinstLua = NULL; |
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249 |
| 2330 | 250 static void |
| 251 end_dynamic_lua(void) | |
| 252 { | |
| 253 if (hinstLua) | |
| 254 { | |
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255 close_dll(hinstLua); |
| 2330 | 256 hinstLua = 0; |
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257 } |
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258 } |
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259 |
| 2330 | 260 static int |
| 261 lua_link_init(char *libname, int verbose) | |
| 262 { | |
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263 const luaV_Reg *reg; |
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264 if (hinstLua) return OK; |
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265 hinstLua = load_dll(libname); |
| 2330 | 266 if (!hinstLua) |
| 267 { | |
| 268 if (verbose) | |
| 269 EMSG2(_(e_loadlib), libname); | |
| 270 return FAIL; | |
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271 } |
| 2330 | 272 for (reg = luaV_dll; reg->func; reg++) |
| 273 { | |
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274 if ((*reg->func = symbol_from_dll(hinstLua, reg->name)) == NULL) |
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275 { |
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276 close_dll(hinstLua); |
| 2330 | 277 hinstLua = 0; |
| 278 if (verbose) | |
| 279 EMSG2(_(e_loadfunc), reg->name); | |
| 280 return FAIL; | |
| 281 } | |
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282 } |
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283 return OK; |
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284 } |
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285 |
| 2330 | 286 int |
| 287 lua_enabled(int verbose) | |
| 288 { | |
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289 return lua_link_init(DYNAMIC_LUA_DLL, verbose) == OK; |
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290 } |
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291 |
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292 #endif /* DYNAMIC_LUA */ |
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293 |
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294 |
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295 /* ======= Internal ======= */ |
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296 |
| 2330 | 297 static void |
| 298 luaV_newmetatable(lua_State *L, const char *tname) | |
| 299 { | |
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300 lua_newtable(L); |
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301 lua_pushlightuserdata(L, (void *) tname); |
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302 lua_pushvalue(L, -2); |
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303 lua_rawset(L, LUA_REGISTRYINDEX); |
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304 } |
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305 |
| 2330 | 306 static void * |
| 307 luaV_toudata(lua_State *L, int ud, const char *tname) | |
| 308 { | |
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309 void *p = lua_touserdata(L, ud); |
| 2330 | 310 |
| 311 if (p != NULL) /* value is userdata? */ | |
| 312 { | |
| 313 if (lua_getmetatable(L, ud)) /* does it have a metatable? */ | |
| 314 { | |
| 315 luaV_getfield(L, tname); /* get metatable */ | |
| 316 if (lua_rawequal(L, -1, -2)) /* MTs match? */ | |
| 317 { | |
| 318 lua_pop(L, 2); /* MTs */ | |
| 319 return p; | |
| 320 } | |
| 321 } | |
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322 } |
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323 return NULL; |
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324 } |
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325 |
| 2330 | 326 static void * |
| 327 luaV_checkudata(lua_State *L, int ud, const char *tname) | |
| 328 { | |
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329 void *p = luaV_toudata(L, ud, tname); |
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330 if (p == NULL) luaL_typerror(L, ud, tname); |
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331 return p; |
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332 } |
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333 |
| 2330 | 334 static void |
| 335 luaV_pushtypval(lua_State *L, typval_T *tv) | |
| 336 { | |
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337 if (tv == NULL) luaL_error(L, "null type"); |
| 2330 | 338 switch (tv->v_type) |
| 339 { | |
| 340 case VAR_STRING: | |
| 341 lua_pushstring(L, (char *) tv->vval.v_string); | |
| 342 break; | |
| 343 case VAR_NUMBER: | |
| 344 lua_pushinteger(L, (int) tv->vval.v_number); | |
| 345 break; | |
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346 #ifdef FEAT_FLOAT |
| 2330 | 347 case VAR_FLOAT: |
| 348 lua_pushnumber(L, (lua_Number) tv->vval.v_float); | |
| 349 break; | |
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350 #endif |
| 2330 | 351 case VAR_LIST: { |
| 352 list_T *l = tv->vval.v_list; | |
| 353 | |
| 354 if (l != NULL) | |
| 355 { | |
| 356 /* check cache */ | |
| 357 lua_pushlightuserdata(L, (void *) l); | |
| 358 lua_rawget(L, LUA_ENVIRONINDEX); | |
| 359 if (lua_isnil(L, -1)) /* not interned? */ | |
| 360 { | |
| 361 listitem_T *li; | |
| 362 int n = 0; | |
| 363 lua_pop(L, 1); /* nil */ | |
| 364 lua_newtable(L); | |
| 365 lua_pushlightuserdata(L, (void *) l); | |
| 366 lua_pushvalue(L, -2); | |
| 367 lua_rawset(L, LUA_ENVIRONINDEX); | |
| 368 for (li = l->lv_first; li != NULL; li = li->li_next) | |
| 369 { | |
| 370 luaV_pushtypval(L, &li->li_tv); | |
| 371 lua_rawseti(L, -2, ++n); | |
| 372 } | |
| 373 } | |
| 374 } | |
| 375 else lua_pushnil(L); | |
| 376 break; | |
| 377 } | |
| 378 case VAR_DICT: { | |
| 379 dict_T *d = tv->vval.v_dict; | |
| 380 | |
| 381 if (d != NULL) | |
| 382 { | |
| 383 /* check cache */ | |
| 384 lua_pushlightuserdata(L, (void *) d); | |
| 385 lua_rawget(L, LUA_ENVIRONINDEX); | |
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386 if (lua_isnil(L, -1)) /* not interned? */ |
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387 { |
| 2330 | 388 hashtab_T *ht = &d->dv_hashtab; |
| 389 hashitem_T *hi; | |
| 390 int n = ht->ht_used; /* remaining items */ | |
| 391 lua_pop(L, 1); /* nil */ | |
| 392 lua_newtable(L); | |
| 393 lua_pushlightuserdata(L, (void *) d); | |
| 394 lua_pushvalue(L, -2); | |
| 395 lua_rawset(L, LUA_ENVIRONINDEX); | |
| 396 for (hi = ht->ht_array; n > 0; hi++) | |
| 397 { | |
| 398 if (!HASHITEM_EMPTY(hi)) | |
| 399 { | |
| 400 dictitem_T *di = dict_lookup(hi); | |
| 401 luaV_pushtypval(L, &di->di_tv); | |
| 402 lua_setfield(L, -2, (char *) hi->hi_key); | |
| 403 n--; | |
| 404 } | |
| 405 } | |
| 406 } | |
| 407 } | |
| 408 else lua_pushnil(L); | |
| 409 break; | |
| 410 } | |
| 411 default: | |
| 412 luaL_error(L, "invalid type"); | |
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413 } |
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414 } |
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415 |
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416 /* similar to luaL_addlstring, but replaces \0 with \n if toline and |
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417 * \n with \0 otherwise */ |
| 2330 | 418 static void |
| 419 luaV_addlstring(luaL_Buffer *b, const char *s, size_t l, int toline) | |
| 420 { | |
| 421 while (l--) | |
| 422 { | |
| 423 if (*s == '\0' && toline) | |
| 424 luaL_addchar(b, '\n'); | |
| 425 else if (*s == '\n' && !toline) | |
| 426 luaL_addchar(b, '\0'); | |
| 427 else | |
| 428 luaL_addchar(b, *s); | |
| 429 s++; | |
|
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430 } |
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431 } |
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432 |
| 2330 | 433 static void |
| 434 luaV_pushline(lua_State *L, buf_T *buf, linenr_T n) | |
| 435 { | |
|
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436 const char *s = (const char *) ml_get_buf(buf, n, FALSE); |
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437 luaL_Buffer b; |
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438 luaL_buffinit(L, &b); |
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439 luaV_addlstring(&b, s, strlen(s), 0); |
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440 luaL_pushresult(&b); |
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441 } |
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442 |
| 2330 | 443 static char_u * |
| 444 luaV_toline(lua_State *L, int pos) | |
| 445 { | |
|
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446 size_t l; |
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447 const char *s = lua_tolstring(L, pos, &l); |
| 2330 | 448 |
|
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449 luaL_Buffer b; |
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450 luaL_buffinit(L, &b); |
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451 luaV_addlstring(&b, s, l, 1); |
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452 luaL_pushresult(&b); |
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453 return (char_u *) lua_tostring(L, -1); |
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454 } |
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455 |
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456 /* pops a string s from the top of the stack and calls mf(t) for pieces t of |
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457 * s separated by newlines */ |
| 2330 | 458 static void |
| 459 luaV_msgfunc(lua_State *L, msgfunc_T mf) | |
| 460 { | |
|
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461 luaL_Buffer b; |
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462 size_t l; |
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463 const char *p, *s = lua_tolstring(L, -1, &l); |
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464 luaL_buffinit(L, &b); |
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465 luaV_addlstring(&b, s, l, 0); |
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466 luaL_pushresult(&b); |
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467 /* break string */ |
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468 p = s = lua_tolstring(L, -1, &l); |
| 2330 | 469 while (l--) |
| 470 { | |
| 471 if (*p++ == '\0') /* break? */ | |
| 472 { | |
| 473 mf((char_u *) s); | |
| 474 s = p; | |
| 475 } | |
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476 } |
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477 mf((char_u *) s); |
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478 lua_pop(L, 2); /* original and modified strings */ |
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479 } |
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480 |
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481 |
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482 /* ======= Buffer type ======= */ |
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483 |
| 2330 | 484 static luaV_Buffer * |
| 485 luaV_newbuffer(lua_State *L, buf_T *buf) | |
| 486 { | |
|
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487 luaV_Buffer *b = (luaV_Buffer *) lua_newuserdata(L, sizeof(luaV_Buffer)); |
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488 *b = buf; |
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489 lua_pushlightuserdata(L, (void *) buf); |
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490 lua_pushvalue(L, -2); |
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491 lua_rawset(L, LUA_ENVIRONINDEX); /* env[buf] = udata */ |
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492 /* to avoid GC, store as key in env */ |
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493 lua_pushvalue(L, -1); |
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494 lua_pushboolean(L, 1); |
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495 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = true */ |
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496 /* set metatable */ |
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497 luaV_getfield(L, LUAVIM_BUFFER); |
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498 lua_setmetatable(L, -2); |
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499 return b; |
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500 } |
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501 |
| 2330 | 502 static luaV_Buffer * |
| 503 luaV_pushbuffer (lua_State *L, buf_T *buf) | |
| 504 { | |
|
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505 luaV_Buffer *b = NULL; |
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506 if (buf == NULL) |
| 2330 | 507 lua_pushnil(L); |
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508 else { |
| 2330 | 509 lua_pushlightuserdata(L, (void *) buf); |
| 510 lua_rawget(L, LUA_ENVIRONINDEX); | |
| 511 if (lua_isnil(L, -1)) /* not interned? */ | |
| 512 { | |
| 513 lua_pop(L, 1); | |
| 514 b = luaV_newbuffer(L, buf); | |
| 515 } | |
| 516 else | |
| 517 b = (luaV_Buffer *) lua_touserdata(L, -1); | |
|
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518 } |
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519 return b; |
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520 } |
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521 |
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522 /* Buffer metamethods */ |
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523 |
| 2330 | 524 static int |
| 525 luaV_buffer_tostring(lua_State *L) | |
| 526 { | |
|
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527 lua_pushfstring(L, "%s: %p", LUAVIM_BUFFER, lua_touserdata(L, 1)); |
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528 return 1; |
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529 } |
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530 |
| 2330 | 531 static int |
| 532 luaV_buffer_len(lua_State *L) | |
| 533 { | |
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534 luaV_Buffer *b = lua_touserdata(L, 1); |
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535 lua_pushinteger(L, (*b)->b_ml.ml_line_count); |
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536 return 1; |
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537 } |
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538 |
| 2330 | 539 static int |
| 540 luaV_buffer_call(lua_State *L) | |
| 541 { | |
|
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542 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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543 lua_settop(L, 1); |
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544 set_curbuf(*b, DOBUF_SPLIT); |
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545 return 1; |
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546 } |
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547 |
| 2330 | 548 static int |
| 549 luaV_buffer_index(lua_State *L) | |
| 550 { | |
|
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551 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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552 linenr_T n = (linenr_T) lua_tointeger(L, 2); |
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553 if (n > 0 && n <= (*b)->b_ml.ml_line_count) |
| 2330 | 554 luaV_pushline(L, *b, n); |
| 555 else if (lua_isstring(L, 2)) | |
| 556 { | |
| 557 const char *s = lua_tostring(L, 2); | |
| 558 if (strncmp(s, "name", 4) == 0) | |
| 559 lua_pushstring(L, (char *) (*b)->b_sfname); | |
| 560 else if (strncmp(s, "fname", 5) == 0) | |
| 561 lua_pushstring(L, (char *) (*b)->b_ffname); | |
| 562 else if (strncmp(s, "number", 6) == 0) | |
| 563 lua_pushinteger(L, (*b)->b_fnum); | |
| 564 /* methods */ | |
| 565 else if (strncmp(s, "insert", 6) == 0 | |
| 566 || strncmp(s, "next", 4) == 0 | |
| 567 || strncmp(s, "previous", 8) == 0 | |
| 568 || strncmp(s, "isvalid", 7) == 0) | |
| 569 { | |
| 570 lua_getmetatable(L, 1); | |
| 571 lua_getfield(L, -1, s); | |
| 572 } | |
| 573 else | |
| 574 lua_pushnil(L); | |
|
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575 } |
| 2330 | 576 else |
| 577 lua_pushnil(L); | |
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578 return 1; |
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579 } |
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580 |
| 2330 | 581 static int |
| 582 luaV_buffer_newindex(lua_State *L) | |
| 583 { | |
|
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584 luaV_Buffer *b = (luaV_Buffer *) lua_touserdata(L, 1); |
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585 linenr_T n = (linenr_T) luaL_checkinteger(L, 2); |
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586 #ifdef HAVE_SANDBOX |
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587 luaV_checksandbox(L); |
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588 #endif |
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589 if (n < 1 || n > (*b)->b_ml.ml_line_count) |
| 2330 | 590 luaL_error(L, "invalid line number"); |
| 591 if (lua_isnil(L, 3)) /* delete line */ | |
| 592 { | |
| 593 buf_T *buf = curbuf; | |
| 594 curbuf = *b; | |
| 595 if (u_savedel(n, 1L) == FAIL) | |
| 596 { | |
| 597 curbuf = buf; | |
| 598 luaL_error(L, "cannot save undo information"); | |
| 599 } | |
| 600 else if (ml_delete(n, FALSE) == FAIL) | |
| 601 { | |
| 602 curbuf = buf; | |
| 603 luaL_error(L, "cannot delete line"); | |
| 604 } | |
| 605 else { | |
| 606 deleted_lines_mark(n, 1L); | |
| 607 if (*b == curwin->w_buffer) /* fix cursor in current window? */ | |
| 608 { | |
| 609 if (curwin->w_cursor.lnum >= n) | |
| 610 { | |
| 611 if (curwin->w_cursor.lnum > n) | |
| 612 { | |
| 613 curwin->w_cursor.lnum -= 1; | |
| 614 check_cursor_col(); | |
| 615 } | |
| 616 else check_cursor(); | |
| 617 changed_cline_bef_curs(); | |
| 618 } | |
| 619 invalidate_botline(); | |
| 620 } | |
| 621 } | |
| 622 curbuf = buf; | |
|
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623 } |
| 2330 | 624 else if (lua_isstring(L, 3)) /* update line */ |
| 625 { | |
| 626 buf_T *buf = curbuf; | |
| 627 curbuf = *b; | |
| 628 if (u_savesub(n) == FAIL) | |
| 629 { | |
| 630 curbuf = buf; | |
| 631 luaL_error(L, "cannot save undo information"); | |
| 632 } | |
| 633 else if (ml_replace(n, luaV_toline(L, 3), TRUE) == FAIL) | |
| 634 { | |
| 635 curbuf = buf; | |
| 636 luaL_error(L, "cannot replace line"); | |
| 637 } | |
| 638 else changed_bytes(n, 0); | |
| 639 curbuf = buf; | |
| 640 if (*b == curwin->w_buffer) | |
| 641 check_cursor_col(); | |
|
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642 } |
|
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|
643 else |
| 2330 | 644 luaL_error(L, "wrong argument to change line"); |
|
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645 return 0; |
|
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646 } |
|
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|
647 |
| 2330 | 648 static int |
| 649 luaV_buffer_insert(lua_State *L) | |
| 650 { | |
|
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651 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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652 linenr_T last = (*b)->b_ml.ml_line_count; |
|
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653 linenr_T n = (linenr_T) luaL_optinteger(L, 3, last); |
|
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654 buf_T *buf; |
|
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655 luaL_checktype(L, 2, LUA_TSTRING); |
|
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656 #ifdef HAVE_SANDBOX |
|
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657 luaV_checksandbox(L); |
|
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658 #endif |
|
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|
659 /* fix insertion line */ |
|
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660 if (n < 0) n = 0; |
|
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661 if (n > last) n = last; |
|
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662 /* insert */ |
|
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663 buf = curbuf; |
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664 curbuf = *b; |
| 2330 | 665 if (u_save(n, n + 1) == FAIL) |
| 666 { | |
| 667 curbuf = buf; | |
| 668 luaL_error(L, "cannot save undo information"); | |
|
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669 } |
| 2330 | 670 else if (ml_append(n, luaV_toline(L, 2), 0, FALSE) == FAIL) |
| 671 { | |
| 672 curbuf = buf; | |
| 673 luaL_error(L, "cannot insert line"); | |
|
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674 } |
|
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|
675 else |
| 2330 | 676 appended_lines_mark(n, 1L); |
|
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677 curbuf = buf; |
|
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|
678 update_screen(VALID); |
|
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|
679 return 0; |
|
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|
680 } |
|
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|
681 |
| 2330 | 682 static int |
| 683 luaV_buffer_next(lua_State *L) | |
| 684 { | |
|
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685 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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|
686 luaV_pushbuffer(L, (*b)->b_next); |
|
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|
687 return 1; |
|
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|
688 } |
|
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|
689 |
| 2330 | 690 static int |
| 691 luaV_buffer_previous(lua_State *L) | |
| 692 { | |
|
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693 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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|
694 luaV_pushbuffer(L, (*b)->b_prev); |
|
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|
695 return 1; |
|
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|
696 } |
|
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|
697 |
| 2330 | 698 static int |
| 699 luaV_buffer_isvalid(lua_State *L) | |
| 700 { | |
|
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701 luaV_Buffer *b = luaV_checkudata(L, 1, LUAVIM_BUFFER); |
|
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|
702 lua_pushlightuserdata(L, (void *) (*b)); |
|
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|
703 lua_rawget(L, LUA_ENVIRONINDEX); |
|
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|
704 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
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|
705 return 1; |
|
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|
706 } |
|
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|
707 |
|
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|
708 static const luaL_Reg luaV_Buffer_mt[] = { |
|
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|
709 {"__tostring", luaV_buffer_tostring}, |
|
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|
710 {"__len", luaV_buffer_len}, |
|
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|
711 {"__call", luaV_buffer_call}, |
|
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712 {"__index", luaV_buffer_index}, |
|
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|
713 {"__newindex", luaV_buffer_newindex}, |
|
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|
714 {"insert", luaV_buffer_insert}, |
|
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|
715 {"next", luaV_buffer_next}, |
|
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|
716 {"previous", luaV_buffer_previous}, |
|
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|
717 {"isvalid", luaV_buffer_isvalid}, |
|
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Added Lua interfae. (Luis Carvalho)
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|
718 {NULL, NULL} |
|
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parents:
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|
719 }; |
|
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|
720 |
|
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|
721 |
|
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|
722 /* ======= Window type ======= */ |
|
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diff
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|
723 |
| 2330 | 724 static luaV_Window * |
| 725 luaV_newwindow(lua_State *L, win_T *win) | |
| 726 { | |
|
2320
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|
727 luaV_Window *w = (luaV_Window *) lua_newuserdata(L, sizeof(luaV_Window)); |
|
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|
728 *w = win; |
|
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Added Lua interfae. (Luis Carvalho)
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parents:
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|
729 lua_pushlightuserdata(L, (void *) win); |
|
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parents:
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changeset
|
730 lua_pushvalue(L, -2); |
|
966a5609669e
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|
731 lua_rawset(L, LUA_ENVIRONINDEX); /* env[win] = udata */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
732 /* to avoid GC, store as key in env */ |
|
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|
733 lua_pushvalue(L, -1); |
|
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diff
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|
734 lua_pushboolean(L, 1); |
|
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parents:
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|
735 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = true */ |
|
966a5609669e
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|
736 /* set metatable */ |
|
966a5609669e
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diff
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|
737 luaV_getfield(L, LUAVIM_WINDOW); |
|
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|
738 lua_setmetatable(L, -2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
739 return w; |
|
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|
740 } |
|
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parents:
diff
changeset
|
741 |
| 2330 | 742 static luaV_Window * |
| 743 luaV_pushwindow(lua_State *L, win_T *win) | |
| 744 { | |
|
2320
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|
745 luaV_Window *w = NULL; |
|
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|
746 if (win == NULL) |
| 2330 | 747 lua_pushnil(L); |
|
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|
748 else { |
| 2330 | 749 lua_pushlightuserdata(L, (void *) win); |
| 750 lua_rawget(L, LUA_ENVIRONINDEX); | |
| 751 if (lua_isnil(L, -1)) /* not interned? */ | |
| 752 { | |
| 753 lua_pop(L, 1); | |
| 754 w = luaV_newwindow(L, win); | |
| 755 } | |
| 756 else w = (luaV_Window *) lua_touserdata(L, -1); | |
|
2320
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|
757 } |
|
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|
758 return w; |
|
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diff
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|
759 } |
|
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diff
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|
760 |
|
966a5609669e
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diff
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|
761 /* Window metamethods */ |
|
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diff
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|
762 |
| 2330 | 763 static int |
| 764 luaV_window_tostring(lua_State *L) | |
| 765 { | |
|
2320
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diff
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|
766 lua_pushfstring(L, "%s: %p", LUAVIM_WINDOW, lua_touserdata(L, 1)); |
|
966a5609669e
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parents:
diff
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|
767 return 1; |
|
966a5609669e
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parents:
diff
changeset
|
768 } |
|
966a5609669e
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parents:
diff
changeset
|
769 |
| 2330 | 770 static int |
| 771 luaV_window_call(lua_State *L) | |
| 772 { | |
|
2320
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diff
changeset
|
773 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
|
966a5609669e
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|
774 lua_settop(L, 1); |
|
966a5609669e
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|
775 win_goto(*w); |
|
966a5609669e
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|
776 return 1; |
|
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|
777 } |
|
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parents:
diff
changeset
|
778 |
| 2330 | 779 static int |
| 780 luaV_window_index(lua_State *L) | |
| 781 { | |
|
2320
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|
782 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
|
966a5609669e
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|
783 const char *s = luaL_checkstring(L, 2); |
|
966a5609669e
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parents:
diff
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|
784 if (strncmp(s, "buffer", 6) == 0) |
| 2330 | 785 luaV_pushbuffer(L, (*w)->w_buffer); |
|
2320
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diff
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|
786 else if (strncmp(s, "line", 4) == 0) |
| 2330 | 787 lua_pushinteger(L, (*w)->w_cursor.lnum); |
|
2320
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diff
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|
788 else if (strncmp(s, "col", 3) == 0) |
| 2330 | 789 lua_pushinteger(L, (*w)->w_cursor.col + 1); |
|
2320
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|
790 #ifdef FEAT_VERTSPLIT |
|
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parents:
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|
791 else if (strncmp(s, "width", 5) == 0) |
| 2330 | 792 lua_pushinteger(L, W_WIDTH((*w))); |
|
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|
793 #endif |
|
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|
794 else if (strncmp(s, "height", 6) == 0) |
| 2330 | 795 lua_pushinteger(L, (*w)->w_height); |
|
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Added Lua interfae. (Luis Carvalho)
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|
796 /* methods */ |
|
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|
797 else if (strncmp(s, "next", 4) == 0 |
| 2330 | 798 || strncmp(s, "previous", 8) == 0 |
| 799 || strncmp(s, "isvalid", 7) == 0) | |
| 800 { | |
| 801 lua_getmetatable(L, 1); | |
| 802 lua_getfield(L, -1, s); | |
|
2320
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|
803 } |
|
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parents:
diff
changeset
|
804 else |
| 2330 | 805 lua_pushnil(L); |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
806 return 1; |
|
966a5609669e
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|
807 } |
|
966a5609669e
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parents:
diff
changeset
|
808 |
| 2330 | 809 static int |
| 810 luaV_window_newindex (lua_State *L) | |
| 811 { | |
|
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Added Lua interfae. (Luis Carvalho)
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|
812 luaV_Window *w = (luaV_Window *) lua_touserdata(L, 1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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changeset
|
813 const char *s = luaL_checkstring(L, 2); |
|
966a5609669e
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|
814 int v = luaL_checkinteger(L, 3); |
| 2330 | 815 if (strncmp(s, "line", 4) == 0) |
| 816 { | |
|
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parents:
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|
817 #ifdef HAVE_SANDBOX |
| 2330 | 818 luaV_checksandbox(L); |
|
2320
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parents:
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changeset
|
819 #endif |
| 2330 | 820 if (v < 1 || v > (*w)->w_buffer->b_ml.ml_line_count) |
| 821 luaL_error(L, "line out of range"); | |
| 822 (*w)->w_cursor.lnum = v; | |
| 823 update_screen(VALID); | |
|
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|
824 } |
| 2330 | 825 else if (strncmp(s, "col", 3) == 0) |
| 826 { | |
|
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|
827 #ifdef HAVE_SANDBOX |
| 2330 | 828 luaV_checksandbox(L); |
|
2320
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diff
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|
829 #endif |
| 2330 | 830 (*w)->w_cursor.col = v - 1; |
| 831 update_screen(VALID); | |
|
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|
832 } |
|
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changeset
|
833 #ifdef FEAT_VERTSPLIT |
| 2330 | 834 else if (strncmp(s, "width", 5) == 0) |
| 835 { | |
| 836 win_T *win = curwin; | |
|
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changeset
|
837 #ifdef FEAT_GUI |
| 2330 | 838 need_mouse_correct = TRUE; |
|
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Added Lua interfae. (Luis Carvalho)
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|
839 #endif |
| 2330 | 840 curwin = *w; |
| 841 win_setwidth(v); | |
| 842 curwin = win; | |
|
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parents:
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|
843 } |
|
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
844 #endif |
| 2330 | 845 else if (strncmp(s, "height", 6) == 0) |
| 846 { | |
| 847 win_T *win = curwin; | |
|
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parents:
diff
changeset
|
848 #ifdef FEAT_GUI |
| 2330 | 849 need_mouse_correct = TRUE; |
|
2320
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Added Lua interfae. (Luis Carvalho)
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changeset
|
850 #endif |
| 2330 | 851 curwin = *w; |
| 852 win_setheight(v); | |
| 853 curwin = win; | |
|
2320
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|
854 } |
|
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diff
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|
855 else |
| 2330 | 856 luaL_error(L, "invalid window property: `%s'", s); |
|
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|
857 return 0; |
|
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|
858 } |
|
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parents:
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|
859 |
| 2330 | 860 static int |
| 861 luaV_window_next(lua_State *L) | |
| 862 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
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|
863 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
|
966a5609669e
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|
864 luaV_pushwindow(L, (*w)->w_next); |
|
966a5609669e
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parents:
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|
865 return 1; |
|
966a5609669e
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parents:
diff
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|
866 } |
|
966a5609669e
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parents:
diff
changeset
|
867 |
| 2330 | 868 static int |
| 869 luaV_window_previous(lua_State *L) | |
| 870 { | |
|
2320
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|
871 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
|
966a5609669e
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|
872 luaV_pushwindow(L, (*w)->w_prev); |
|
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|
873 return 1; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
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diff
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|
874 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
875 |
| 2330 | 876 static int |
| 877 luaV_window_isvalid(lua_State *L) | |
| 878 { | |
|
2320
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Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
879 luaV_Window *w = luaV_checkudata(L, 1, LUAVIM_WINDOW); |
|
966a5609669e
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parents:
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|
880 lua_pushlightuserdata(L, (void *) (*w)); |
|
966a5609669e
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|
881 lua_rawget(L, LUA_ENVIRONINDEX); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
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|
882 lua_pushboolean(L, !lua_isnil(L, -1)); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
883 return 1; |
|
966a5609669e
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parents:
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|
884 } |
|
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diff
changeset
|
885 |
|
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diff
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|
886 static const luaL_Reg luaV_Window_mt[] = { |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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|
887 {"__tostring", luaV_window_tostring}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
888 {"__call", luaV_window_call}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
889 {"__index", luaV_window_index}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
890 {"__newindex", luaV_window_newindex}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
891 {"next", luaV_window_next}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
892 {"previous", luaV_window_previous}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
893 {"isvalid", luaV_window_isvalid}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
894 {NULL, NULL} |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
895 }; |
|
966a5609669e
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parents:
diff
changeset
|
896 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
897 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
898 /* ======= Vim module ======= */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
899 |
| 2330 | 900 static int |
| 901 luaV_print(lua_State *L) | |
| 902 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
903 int i, n = lua_gettop(L); /* nargs */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
904 const char *s; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
905 size_t l; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
906 luaL_Buffer b; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
907 luaL_buffinit(L, &b); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
908 lua_getglobal(L, "tostring"); |
| 2330 | 909 for (i = 1; i <= n; i++) |
| 910 { | |
| 911 lua_pushvalue(L, -1); /* tostring */ | |
| 912 lua_pushvalue(L, i); /* arg */ | |
| 913 lua_call(L, 1, 1); | |
| 914 s = lua_tolstring(L, -1, &l); | |
| 915 if (s == NULL) | |
| 916 return luaL_error(L, "cannot convert to string"); | |
| 917 if (i > 1) luaL_addchar(&b, ' '); /* use space instead of tab */ | |
| 918 luaV_addlstring(&b, s, l, 0); | |
| 919 lua_pop(L, 1); | |
|
2320
966a5609669e
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diff
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|
920 } |
|
966a5609669e
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parents:
diff
changeset
|
921 luaL_pushresult(&b); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
922 luaV_msg(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
923 return 0; |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
924 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
925 |
| 2330 | 926 static int |
| 927 luaV_command(lua_State *L) | |
| 928 { | |
|
2320
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parents:
diff
changeset
|
929 do_cmdline_cmd((char_u *) luaL_checkstring(L, 1)); |
|
966a5609669e
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parents:
diff
changeset
|
930 update_screen(VALID); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
931 return 0; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
932 } |
|
966a5609669e
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parents:
diff
changeset
|
933 |
| 2330 | 934 static int |
| 935 luaV_eval(lua_State *L) | |
| 936 { | |
|
2320
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diff
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|
937 typval_T *tv = eval_expr((char_u *) luaL_checkstring(L, 1), NULL); |
|
966a5609669e
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diff
changeset
|
938 if (tv == NULL) luaL_error(L, "invalid expression"); |
|
966a5609669e
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parents:
diff
changeset
|
939 luaV_pushtypval(L, tv); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
940 return 1; |
|
966a5609669e
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parents:
diff
changeset
|
941 } |
|
966a5609669e
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parents:
diff
changeset
|
942 |
| 2330 | 943 static int |
|
2331
3840b7508835
Make it easier to build with Lua. Remove compiler warnings.
Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
944 luaV_beep(lua_State *L UNUSED) |
| 2330 | 945 { |
|
2320
966a5609669e
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parents:
diff
changeset
|
946 vim_beep(); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
947 return 0; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
948 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
949 |
| 2330 | 950 static int |
| 951 luaV_line(lua_State *L) | |
| 952 { | |
|
2320
966a5609669e
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parents:
diff
changeset
|
953 luaV_pushline(L, curbuf, curwin->w_cursor.lnum); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
954 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
955 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
956 |
| 2330 | 957 static int |
| 958 luaV_buffer(lua_State *L) | |
| 959 { | |
|
2320
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parents:
diff
changeset
|
960 buf_T *buf; |
| 2330 | 961 if (lua_isstring(L, 1)) /* get by number or name? */ |
| 962 { | |
| 963 if (lua_isnumber(L, 1)) /* by number? */ | |
| 964 { | |
| 965 int n = lua_tointeger(L, 1); | |
| 966 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 967 if (buf->b_fnum == n) break; | |
| 968 } | |
| 969 else { /* by name */ | |
| 970 size_t l; | |
| 971 const char *s = lua_tolstring(L, 1, &l); | |
| 972 for (buf = firstbuf; buf != NULL; buf = buf->b_next) | |
| 973 { | |
| 974 if (buf->b_ffname == NULL || buf->b_sfname == NULL) | |
| 975 { | |
| 976 if (l == 0) break; | |
| 977 } | |
|
2331
3840b7508835
Make it easier to build with Lua. Remove compiler warnings.
Bram Moolenaar <bram@vim.org>
parents:
2330
diff
changeset
|
978 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
|
979 || strncmp(s, (char *)buf->b_sfname, l) == 0) |
| 2330 | 980 break; |
| 981 } | |
| 982 } | |
| 983 if (buf == NULL) /* not found? */ | |
| 984 lua_pushnil(L); | |
| 985 else | |
| 986 luaV_pushbuffer(L, buf); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
987 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
988 else { |
| 2330 | 989 buf = (lua_toboolean(L, 1)) ? firstbuf : curbuf; /* first buffer? */ |
| 990 luaV_pushbuffer(L, buf); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
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|
991 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
992 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
993 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
994 |
| 2330 | 995 static int |
| 996 luaV_window(lua_State *L) | |
| 997 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
998 win_T *win; |
| 2330 | 999 if (lua_isnumber(L, 1)) /* get by number? */ |
| 1000 { | |
| 1001 int n = lua_tointeger(L, 1); | |
| 1002 for (win = firstwin; win != NULL; win = win->w_next, n--) | |
| 1003 if (n == 1) break; | |
| 1004 if (win == NULL) /* not found? */ | |
| 1005 lua_pushnil(L); | |
| 1006 else | |
| 1007 luaV_pushwindow(L, win); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1008 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1009 else { |
| 2330 | 1010 win = (lua_toboolean(L, 1)) ? firstwin : curwin; /* first window? */ |
| 1011 luaV_pushwindow(L, win); | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1012 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1013 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1014 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1015 |
| 2330 | 1016 static int |
| 1017 luaV_open(lua_State *L) | |
| 1018 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1019 luaV_Buffer *b; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1020 char_u *s = NULL; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1021 #ifdef HAVE_SANDBOX |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1022 luaV_checksandbox(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1023 #endif |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1024 if (lua_isstring(L, 1)) s = (char_u *) lua_tostring(L, 1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1025 b = luaV_pushbuffer(L, buflist_new(s, NULL, 1L, BLN_LISTED)); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1026 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1027 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1028 |
| 2330 | 1029 static int |
| 1030 luaV_isbuffer(lua_State *L) | |
| 1031 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1032 lua_pushboolean(L, luaV_toudata(L, 1, LUAVIM_BUFFER) != NULL); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1033 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1034 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1035 |
| 2330 | 1036 static int |
| 1037 luaV_iswindow(lua_State *L) | |
| 1038 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1039 lua_pushboolean(L, luaV_toudata(L, 1, LUAVIM_WINDOW) != NULL); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1040 return 1; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1041 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1042 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1043 /* for freeing buffer and window objects; lightuserdata as arg */ |
| 2330 | 1044 static int |
| 1045 luaV_free(lua_State *L) | |
| 1046 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1047 lua_pushvalue(L, 1); /* lightudata */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1048 lua_rawget(L, LUA_ENVIRONINDEX); |
| 2330 | 1049 if (!lua_isnil(L, -1)) |
| 1050 { | |
| 1051 lua_pushnil(L); | |
| 1052 lua_rawset(L, LUA_ENVIRONINDEX); /* env[udata] = nil */ | |
| 1053 lua_pushnil(L); | |
| 1054 lua_rawset(L, LUA_ENVIRONINDEX); /* env[lightudata] = nil */ | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1055 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1056 return 0; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1057 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1058 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1059 static const luaL_Reg luaV_module[] = { |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1060 {"command", luaV_command}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1061 {"eval", luaV_eval}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1062 {"beep", luaV_beep}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1063 {"line", luaV_line}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1064 {"buffer", luaV_buffer}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1065 {"window", luaV_window}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1066 {"open", luaV_open}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1067 {"isbuffer", luaV_isbuffer}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1068 {"iswindow", luaV_iswindow}, |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1069 {NULL, NULL} |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1070 }; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1071 |
| 2330 | 1072 static int |
| 1073 luaopen_vim(lua_State *L) | |
| 1074 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1075 /* set environment */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1076 lua_newtable(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1077 lua_newtable(L); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1078 lua_pushliteral(L, "v"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1079 lua_setfield(L, -2, "__mode"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1080 lua_setmetatable(L, -2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1081 lua_replace(L, LUA_ENVIRONINDEX); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1082 /* print */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1083 lua_pushcfunction(L, luaV_print); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1084 lua_setglobal(L, "print"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1085 /* free */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1086 lua_pushlightuserdata(L, (void *) LUAVIM_FREE); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1087 lua_pushcfunction(L, luaV_free); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1088 lua_rawset(L, LUA_REGISTRYINDEX); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1089 /* register */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1090 luaV_newmetatable(L, LUAVIM_BUFFER); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1091 luaL_register(L, NULL, luaV_Buffer_mt); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1092 luaV_newmetatable(L, LUAVIM_WINDOW); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1093 luaL_register(L, NULL, luaV_Window_mt); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1094 luaL_register(L, LUAVIM_NAME, luaV_module); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1095 return 0; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1096 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1097 |
| 2330 | 1098 static lua_State * |
| 1099 luaV_newstate(void) | |
| 1100 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1101 lua_State *L = luaL_newstate(); |
|
2431
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1102 luaL_openlibs(L); /* core libs */ |
|
7b764999f9b9
Update for Lua interface. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
2373
diff
changeset
|
1103 lua_pushcfunction(L, luaopen_vim); /* vim */ |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1104 lua_call(L, 0, 0); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1105 return L; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1106 } |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1107 |
| 2330 | 1108 static void |
| 1109 luaV_setrange(lua_State *L, int line1, int line2) | |
| 1110 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1111 lua_getglobal(L, LUAVIM_NAME); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1112 lua_pushinteger(L, line1); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1113 lua_setfield(L, -2, "firstline"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1114 lua_pushinteger(L, line2); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1115 lua_setfield(L, -2, "lastline"); |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1116 lua_pop(L, 1); /* vim table */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1117 } |
|
966a5609669e
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parents:
diff
changeset
|
1118 |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
changeset
|
1119 |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1120 /* ======= Interface ======= */ |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1121 |
|
966a5609669e
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Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1122 static lua_State *L = NULL; |
|
966a5609669e
Added Lua interfae. (Luis Carvalho)
Bram Moolenaar <bram@vim.org>
parents:
diff
changeset
|
1123 |
| 2330 | 1124 static int |
|
2543
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1125 lua_is_open(void) |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1126 { |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1127 return L != NULL; |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1128 } |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1129 |
|
8c512e2c7cb5
Fix: Lua interface tried to load the library when closing a buffer or window.
Bram Moolenaar <bram@vim.org>
parents:
2431
diff
changeset
|
1130 static int |
| 2330 | 1131 lua_init(void) |
| 1132 { | |
| 1133 if (L == NULL) | |
| 1134 { | |
|
2320
966a5609669e
Added Lua interfae. (Luis Carvalho)
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parents:
diff
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|
1135 #ifdef DYNAMIC_LUA |
| 2330 | 1136 if (!lua_enabled(TRUE)) |
| 1137 { | |
| 1138 EMSG(_("Lua library cannot be loaded.")); | |
| 1139 return FAIL; | |
| 1140 } | |
|
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1141 #endif |
| 2330 | 1142 L = luaV_newstate(); |
|
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1143 } |
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1144 return OK; |
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1145 } |
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1146 |
| 2330 | 1147 void |
| 1148 lua_end(void) | |
| 1149 { | |
| 1150 if (L != NULL) | |
| 1151 { | |
| 1152 lua_close(L); | |
| 1153 L = NULL; | |
|
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1154 #ifdef DYNAMIC_LUA |
| 2330 | 1155 end_dynamic_lua(); |
|
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1156 #endif |
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1157 } |
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1158 } |
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1159 |
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1160 /* ex commands */ |
| 2330 | 1161 void |
| 1162 ex_lua(exarg_T *eap) | |
| 1163 { | |
|
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1164 char *script; |
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1165 if (lua_init() == FAIL) return; |
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1166 script = (char *) script_get(eap, eap->arg); |
| 2330 | 1167 if (!eap->skip) |
| 1168 { | |
| 1169 char *s = (script) ? script : (char *) eap->arg; | |
| 1170 luaV_setrange(L, eap->line1, eap->line2); | |
| 1171 if (luaL_loadbuffer(L, s, strlen(s), LUAVIM_CHUNKNAME) | |
| 1172 || lua_pcall(L, 0, 0, 0)) | |
| 1173 luaV_emsg(L); | |
|
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1174 } |
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1175 if (script != NULL) vim_free(script); |
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1176 } |
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1177 |
| 2330 | 1178 void |
| 1179 ex_luado(exarg_T *eap) | |
| 1180 { | |
|
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1181 linenr_T l; |
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1182 const char *s = (const char *) eap->arg; |
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1183 luaL_Buffer b; |
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1184 size_t len; |
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1185 if (lua_init() == FAIL) return; |
| 2330 | 1186 if (u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) |
| 1187 { | |
| 1188 EMSG(_("cannot save undo information")); | |
| 1189 return; | |
|
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1190 } |
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1191 luaV_setrange(L, eap->line1, eap->line2); |
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1192 luaL_buffinit(L, &b); |
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1193 luaL_addlstring(&b, "return function(line) ", 22); /* header */ |
|
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1194 luaL_addlstring(&b, s, strlen(s)); |
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1195 luaL_addlstring(&b, " end", 4); /* footer */ |
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1196 luaL_pushresult(&b); |
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1197 s = lua_tolstring(L, -1, &len); |
| 2330 | 1198 if (luaL_loadbuffer(L, s, len, LUAVIM_CHUNKNAME)) |
| 1199 { | |
| 1200 luaV_emsg(L); | |
| 1201 lua_pop(L, 1); /* function body */ | |
| 1202 return; | |
|
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1203 } |
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1204 lua_call(L, 0, 1); |
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1205 lua_replace(L, -2); /* function -> body */ |
| 2330 | 1206 for (l = eap->line1; l <= eap->line2; l++) |
| 1207 { | |
| 1208 lua_pushvalue(L, -1); /* function */ | |
| 1209 luaV_pushline(L, curbuf, l); /* current line as arg */ | |
| 1210 if (lua_pcall(L, 1, 1, 0)) | |
| 1211 { | |
| 1212 luaV_emsg(L); | |
| 1213 break; | |
| 1214 } | |
| 1215 if (lua_isstring(L, -1)) /* update line? */ | |
| 1216 { | |
|
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1217 #ifdef HAVE_SANDBOX |
| 2330 | 1218 luaV_checksandbox(L); |
|
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1219 #endif |
| 2330 | 1220 ml_replace(l, luaV_toline(L, -1), TRUE); |
| 1221 changed_bytes(l, 0); | |
| 1222 lua_pop(L, 1); /* result from luaV_toline */ | |
| 1223 } | |
| 1224 lua_pop(L, 1); /* line */ | |
|
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1225 } |
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1226 lua_pop(L, 1); /* function */ |
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1227 check_cursor(); |
|
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1228 update_screen(NOT_VALID); |
|
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1229 } |
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1230 |
| 2330 | 1231 void |
| 1232 ex_luafile(exarg_T *eap) | |
| 1233 { | |
| 1234 if (lua_init() == FAIL) | |
| 1235 return; | |
| 1236 if (!eap->skip) | |
| 1237 { | |
| 1238 luaV_setrange(L, eap->line1, eap->line2); | |
| 1239 if (luaL_loadfile(L, (char *) eap->arg) || lua_pcall(L, 0, 0, 0)) | |
| 1240 luaV_emsg(L); | |
|
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1241 } |
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1242 } |
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1243 |
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1244 /* buffer */ |
| 2330 | 1245 void |
| 1246 lua_buffer_free(buf_T *buf) | |
| 1247 { | |
|
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1248 if (!lua_is_open()) return; |
|
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1249 luaV_getfield(L, LUAVIM_FREE); |
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1250 lua_pushlightuserdata(L, (void *) buf); |
|
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1251 lua_call(L, 1, 0); |
|
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1252 } |
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1253 |
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1254 /* window */ |
| 2330 | 1255 void |
| 1256 lua_window_free(win_T *win) | |
| 1257 { | |
|
2543
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|
1258 if (!lua_is_open()) return; |
|
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1259 luaV_getfield(L, LUAVIM_FREE); |
|
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1260 lua_pushlightuserdata(L, (void *) win); |
|
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1261 lua_call(L, 1, 0); |
|
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1262 } |
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1263 |
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1264 #endif |