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Make and use a vector variant of luax_convobj

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Which also prevents accessing the zeroeth element of an empty vector
This commit is contained in:
Bart van Strien
2018-12-03 18:19:28 +01:00
parent a1d6da4624
commit 7253118100
3 changed files with 20 additions and 6 deletions
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src/common/runtime.cpp
+14 -2
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@@ -623,7 +623,7 @@ int luax_convobj(lua_State *L, int idx, const char *mod, const char *fn)
return 0;
}
int luax_convobj(lua_State *L, int idxs[], int n, const char *mod, const char *fn)
int luax_convobj(lua_State *L, const int idxs[], int n, const char *mod, const char *fn)
{
luax_getfunction(L, mod, fn);
for (int i = 0; i < n; i++)
@@ -638,6 +638,12 @@ int luax_convobj(lua_State *L, int idxs[], int n, const char *mod, const char *f
return 0;
}
int luax_convobj(lua_State *L, const std::vector<int>& idxs, const char *module, const char *function)
{
const int *idxPtr = idxs.size() > 0 ? &idxs[0] : nullptr;
return luax_convobj(L, idxPtr, (int) idxs.size(), module, function);
}
int luax_pconvobj(lua_State *L, int idx, const char *mod, const char *fn)
{
// Convert string to a file.
@@ -649,7 +655,7 @@ int luax_pconvobj(lua_State *L, int idx, const char *mod, const char *fn)
return ret;
}
int luax_pconvobj(lua_State *L, int idxs[], int n, const char *mod, const char *fn)
int luax_pconvobj(lua_State *L, const int idxs[], int n, const char *mod, const char *fn)
{
luax_getfunction(L, mod, fn);
for (int i = 0; i < n; i++)
@@ -662,6 +668,12 @@ int luax_pconvobj(lua_State *L, int idxs[], int n, const char *mod, const char *
return ret;
}
int luax_pconvobj(lua_State *L, const std::vector<int>& idxs, const char *module, const char *function)
{
const int *idxPtr = idxs.size() > 0 ? &idxs[0] : nullptr;
return luax_pconvobj(L, idxPtr, (int) idxs.size(), module, function);
}
int luax_insist(lua_State *L, int idx, const char *k)
{
// Convert to absolute index if necessary.
src/common/runtime.h
+4 -2
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@@ -389,11 +389,13 @@ int luax_convobj(lua_State *L, int idx, const char *module, const char *function
* @param module The module in the love table.
* @param function The function in the module.
**/
int luax_convobj(lua_State *L, int idxs[], int n, const char *module, const char *function);
int luax_convobj(lua_State *L, const int idxs[], int n, const char *module, const char *function);
int luax_convobj(lua_State *L, const std::vector<int>& idxs, const char *module, const char *function);
// pcall versions of the above
int luax_pconvobj(lua_State *L, int idx, const char *module, const char *function);
int luax_pconvobj(lua_State *L, int idxs[], int n, const char *module, const char *function);
int luax_pconvobj(lua_State *L, const int idxs[], int n, const char *module, const char *function);
int luax_pconvobj(lua_State *L, const std::vector<int>& idxs, const char *module, const char *function);
/**
* 'Insist' that a table 'k' exists in the table at idx. Insistence involves that the
src/modules/graphics/wrap_Graphics.cpp
+2 -2
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@@ -1091,7 +1091,7 @@ int w_newFont(lua_State *L)
for (int i = 0; i < lua_gettop(L); i++)
idxs.push_back(i + 1);
luax_convobj(L, &idxs[0], (int) idxs.size(), "font", "newRasterizer");
luax_convobj(L, idxs, "font", "newRasterizer");
}
love::font::Rasterizer *rasterizer = luax_checktype<love::font::Rasterizer>(L, 1);
@@ -1122,7 +1122,7 @@ int w_newImageFont(lua_State *L)
for (int i = 0; i < lua_gettop(L); i++)
idxs.push_back(i + 1);
luax_convobj(L, &idxs[0], (int) idxs.size(), "font", "newImageRasterizer");
luax_convobj(L, idxs, "font", "newImageRasterizer");
}
love::font::Rasterizer *rasterizer = luax_checktype<love::font::Rasterizer>(L, 1);