diff options
Diffstat (limited to 'ldebug.c')
-rw-r--r-- | ldebug.c | 43 |
1 files changed, 9 insertions, 34 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: ldebug.c,v 1.6 2000/01/25 13:57:18 roberto Exp roberto $ | 2 | ** $Id: ldebug.c,v 1.7 2000/01/28 16:53:00 roberto Exp roberto $ |
3 | ** Debug Interface | 3 | ** Debug Interface |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -85,21 +85,6 @@ int lua_getstack (lua_State *L, int level, lua_Dbgactreg *ar) { | |||
85 | } | 85 | } |
86 | 86 | ||
87 | 87 | ||
88 | static const char *luaG_getname (lua_State *L, const char **name, StkId top) { | ||
89 | StkId f = aux_stackedfunction(L, 0, top); | ||
90 | if (f == NULL || !hasdebuginfo(L, f) || ttype(f+2) == LUA_T_NIL) | ||
91 | return ""; /* no name available */ | ||
92 | else { | ||
93 | int i = (f+2)->value.i; | ||
94 | if (ttype(f) == LUA_T_LCLMARK) | ||
95 | f = protovalue(f); | ||
96 | LUA_ASSERT(L, ttype(f) == LUA_T_LMARK, "must be a Lua function"); | ||
97 | *name = tfvalue(f)->kstr[i]->str; | ||
98 | return luaO_typename(f+2); | ||
99 | } | ||
100 | } | ||
101 | |||
102 | |||
103 | static int lua_nups (StkId f) { | 88 | static int lua_nups (StkId f) { |
104 | switch (ttype(f)) { | 89 | switch (ttype(f)) { |
105 | case LUA_T_LCLOSURE: case LUA_T_CCLOSURE: | 90 | case LUA_T_LCLOSURE: case LUA_T_CCLOSURE: |
@@ -131,10 +116,10 @@ int lua_getlocal (lua_State *L, const lua_Dbgactreg *ar, lua_Dbglocvar *v) { | |||
131 | if (!fp) return 0; /* `f' is not a Lua function? */ | 116 | if (!fp) return 0; /* `f' is not a Lua function? */ |
132 | v->name = luaF_getlocalname(fp, v->index, lua_currentline(L, f)); | 117 | v->name = luaF_getlocalname(fp, v->index, lua_currentline(L, f)); |
133 | if (!v->name) return 0; | 118 | if (!v->name) return 0; |
134 | /* if `name', there must be a LUA_T_LINE and a NAME */ | 119 | /* if `name', there must be a LUA_T_LINE */ |
135 | /* therefore, f+3 points to function base */ | 120 | /* therefore, f+2 points to function base */ |
136 | LUA_ASSERT(L, ttype(f+1) == LUA_T_LINE, ""); | 121 | LUA_ASSERT(L, ttype(f+1) == LUA_T_LINE, ""); |
137 | v->value = luaA_putluaObject(L, (f+3)+(v->index-1)); | 122 | v->value = luaA_putluaObject(L, (f+2)+(v->index-1)); |
138 | return 1; | 123 | return 1; |
139 | } | 124 | } |
140 | 125 | ||
@@ -146,7 +131,7 @@ int lua_setlocal (lua_State *L, const lua_Dbgactreg *ar, lua_Dbglocvar *v) { | |||
146 | v->name = luaF_getlocalname(fp, v->index, lua_currentline(L, f)); | 131 | v->name = luaF_getlocalname(fp, v->index, lua_currentline(L, f)); |
147 | if (!v->name) return 0; | 132 | if (!v->name) return 0; |
148 | LUA_ASSERT(L, ttype(f+1) == LUA_T_LINE, ""); | 133 | LUA_ASSERT(L, ttype(f+1) == LUA_T_LINE, ""); |
149 | *((f+3)+(v->index-1)) = *v->value; | 134 | *((f+2)+(v->index-1)) = *v->value; |
150 | return 1; | 135 | return 1; |
151 | } | 136 | } |
152 | 137 | ||
@@ -181,8 +166,6 @@ static int checkfunc (lua_State *L, TObject *o) { | |||
181 | 166 | ||
182 | static void lua_getobjname (lua_State *L, StkId f, lua_Dbgactreg *ar) { | 167 | static void lua_getobjname (lua_State *L, StkId f, lua_Dbgactreg *ar) { |
183 | GlobalVar *g; | 168 | GlobalVar *g; |
184 | ar->namewhat = luaG_getname(L, &ar->name, f); /* caller debug information */ | ||
185 | if (*ar->namewhat) return; | ||
186 | /* try to find a name for given function */ | 169 | /* try to find a name for given function */ |
187 | setnormalized(L->top, f); /* to be used by `checkfunc' */ | 170 | setnormalized(L->top, f); /* to be used by `checkfunc' */ |
188 | for (g=L->rootglobal; g; g=g->next) { | 171 | for (g=L->rootglobal; g; g=g->next) { |
@@ -229,24 +212,16 @@ int lua_getinfo (lua_State *L, const char *what, lua_Dbgactreg *ar) { | |||
229 | 212 | ||
230 | 213 | ||
231 | 214 | ||
232 | static void call_index_error (lua_State *L, TObject *o, const char *tp, | 215 | static void call_index_error (lua_State *L, TObject *o, const char *v) { |
233 | const char *v) { | 216 | luaL_verror(L, "attempt to %.10s a %.10s value", v, lua_type(L, o)); |
234 | const char *name; | ||
235 | const char *kind = luaG_getname(L, &name, L->top); | ||
236 | if (*kind) { /* is there a name? */ | ||
237 | luaL_verror(L, "%.10s `%.30s' is not a %.10s", kind, name, tp); | ||
238 | } | ||
239 | else { | ||
240 | luaL_verror(L, "attempt to %.10s a %.10s value", v, lua_type(L, o)); | ||
241 | } | ||
242 | } | 217 | } |
243 | 218 | ||
244 | 219 | ||
245 | void luaG_callerror (lua_State *L, TObject *func) { | 220 | void luaG_callerror (lua_State *L, TObject *func) { |
246 | call_index_error(L, func, "function", "call"); | 221 | call_index_error(L, func, "call"); |
247 | } | 222 | } |
248 | 223 | ||
249 | 224 | ||
250 | void luaG_indexerror (lua_State *L, TObject *t) { | 225 | void luaG_indexerror (lua_State *L, TObject *t) { |
251 | call_index_error(L, t, "table", "index"); | 226 | call_index_error(L, t, "index"); |
252 | } | 227 | } |