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debugging with LUA
Author
Hi ppl.
Imagine I have a code at main.lua and I do LUA_dostring("mais.lua");
Ok, this runs the script. But what abou if I want to run it line by line? (I mean, like goto cursor, next cursor, etc).
How do I get the names for all variables on the Stack?
Im only just learning LUA, but it seems to me that this code from the LUA 5 manual should help,
Hope it helps.
int listvars (lua_State *L, int level) { lua_Debug ar; int i; const char *name; if (lua_getstack(L, level, &ar) == 0) return 0; /* failure: no such level in the stack */ i = 1; while ((name = lua_getlocal(L, &ar, i++)) != NULL) { printf("local %d %s\n", i-1, name); lua_pop(L, 1); /* remove variable value */ } lua_getinfo(L, "f", &ar); /* retrieves function */ i = 1; while ((name = lua_getpuvalue(L, -1, i++)) != NULL) { printf("upvalue %d %s\n", i-1, name); lua_pop(L, 1); /* remove upvalue value */ } return 1;} Hope it helps.
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