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author | Howaner <franzi.moos@googlemail.com> | 2014-10-21 17:37:03 +0200 |
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committer | Howaner <franzi.moos@googlemail.com> | 2014-10-21 17:37:03 +0200 |
commit | 283eda3c4eaa37acc242ccefdb3912768a80d14b (patch) | |
tree | fe9cdd385d5687c2f8bfe55d331ead942f28e4aa /src/Bindings/gen_LuaState_Call.lua | |
parent | Leaves are harvest-able. (diff) | |
parent | Updated ProtectionAreas (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/Bindings/gen_LuaState_Call.lua | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/src/Bindings/gen_LuaState_Call.lua b/src/Bindings/gen_LuaState_Call.lua deleted file mode 100644 index 7f62573c7..000000000 --- a/src/Bindings/gen_LuaState_Call.lua +++ /dev/null @@ -1,224 +0,0 @@ - --- gen_LuaState_Call.lua - --- Generates the cLuaState::Call() function templates that are included from LuaState.h - ---[[ -The cLuaState::Call() family of functions provides a template-based system for calling any Lua function -either by name or by reference with almost any number of parameters and return values. This is done by -providing a number of overloads of the same name with variable number of template-type parameters. To -separate the arguments from the return values, a special type of cLuaState::cRet is used. ---]] - - - - -print("Generating LuaState_Call.inc . . .") - - - - --- List of combinations (# params, # returns) to generate: -local Combinations = -{ - -- no return values: - {0, 0}, - {1, 0}, - {2, 0}, - {3, 0}, - {4, 0}, - - -- 1 return value: - {0, 1}, - {1, 1}, - {2, 1}, - {3, 1}, - {4, 1}, - {5, 1}, - {6, 1}, - {7, 1}, - {8, 1}, - {9, 1}, - {10, 1}, - - -- 2 return values: - {0, 2}, - {1, 2}, - {2, 2}, - {3, 2}, - {4, 2}, - {5, 2}, - {6, 2}, - {7, 2}, - {8, 2}, - {9, 2}, - - -- Special combinations: - {5, 5}, - {7, 3}, - {8, 3}, - {9, 5}, -} - - - - ---- Writes a single overloaded function definition for the specified number of params and returns into f ---[[ -The format for the generated function is this: -/** Call the specified 3-param 2-return Lua function: -Returns true if call succeeded, false if there was an error. */ -template <typename FnT, typename ParamT1, typename ParamT2, typename ParamT3, typename RetT1, typename RetT2> -bool Call(FnT a_Function, ParamT1 a_Param1, ParamT2 a_Param2, ParamT3 a_Param3, const cLuaState::cRet & a_RetMark, RetT1 & a_Ret1, RetT2 & a_Ret2) -{ - UNUSED(a_RetMark); - if (!PushFunction(a_Function)) - { - return false; - } - Push(a_Param1); - Push(a_Param2); - Push(a_Param3); - if (!CallFunction(2)) - { - return false; - } - GetStackValue(-2, a_Ret1); - GetStackValue(-1, a_Ret2); - lua_pop(m_LuaState, 2); - return true; -} -Note especially the negative numbers in GetStackValue() calls. ---]] -local function WriteOverload(f, a_NumParams, a_NumReturns) - -- Write the function doxy-comments: - f:write("/** Call the specified ", a_NumParams, "-param ", a_NumReturns, "-return Lua function:\n") - f:write("Returns true if call succeeded, false if there was an error. */\n") - - -- Write the template <...> line: - f:write("template <typename FnT") - for i = 1, a_NumParams do - f:write(", typename ParamT", i) - end - if (a_NumReturns > 0) then - for i = 1, a_NumReturns do - f:write(", typename RetT", i) - end - end - f:write(">\n") - - -- Write the function signature: - f:write("bool Call(") - f:write("const FnT & a_Function") - for i = 1, a_NumParams do - f:write(", ParamT", i, " a_Param", i) - end - if (a_NumReturns > 0) then - f:write(", const cLuaState::cRet & a_RetMark") - for i = 1, a_NumReturns do - f:write(", RetT", i, " & a_Ret", i) - end - end - f:write(")\n") - - -- Common code: - f:write("{\n") - if (a_NumReturns > 0) then - f:write("\tUNUSED(a_RetMark);\n") - end - f:write("\tif (!PushFunction(a_Function))\n") - f:write("\t{\n") - f:write("\t\treturn false;\n") - f:write("\t}\n") - - -- Push the params: - for i = 1, a_NumParams do - f:write("\tPush(a_Param", i, ");\n") - end - - -- Call the function: - f:write("\tif (!CallFunction(", a_NumReturns, "))\n") - f:write("\t{\n") - f:write("\t\treturn false;\n") - f:write("\t}\n") - - -- Get the return values: - for i = 1, a_NumReturns do - f:write("\tGetStackValue(", -1 - a_NumReturns + i, ", a_Ret", i, ");\n") - end - - -- Pop the returns off the stack, if needed: - if (a_NumReturns > 0) then - f:write("\tlua_pop(m_LuaState, ", a_NumReturns, ");\n") - end - - -- Everything ok: - f:write("\treturn true;\n") - f:write("}\n") - - -- Separate from the next function: - f:write("\n\n\n\n\n") -end - - - - - -local f = assert(io.open("LuaState_Call.inc", "w")) - --- Write file header: -f:write([[ -// LuaState_Call.inc - -// This file is auto-generated by gen_LuaState_Call.lua -// Make changes to the generator instead of to this file! - -// This file contains the various overloads for the cLuaState::Call() function -// Each overload handles a different number of parameters / return values -]]) -f:write("\n\n\n\n\n") - --- Write out a template function for each overload: -for _, combination in ipairs(Combinations) do - WriteOverload(f, combination[1], combination[2]) -end - --- Generate the cLuaState::GetStackValues() multi-param templates: -for i = 2, 6 do - f:write("/** Reads ", i, " consecutive values off the stack */\ntemplate <\n") - - -- Write the template function header: - local txt = {} - for idx = 1, i do - table.insert(txt, "\ttypename ArgT" .. idx) - end - f:write(table.concat(txt, ",\n")) - - -- Write the argument declarations: - txt = {} - f:write("\n>\nvoid GetStackValues(\n\tint a_BeginPos,\n") - for idx = 1, i do - table.insert(txt, "\tArgT" .. idx .. " & Arg" .. idx) - end - f:write(table.concat(txt, ",\n")) - - -- Write the function body: - f:write("\n)\n{\n") - for idx = 1, i do - f:write("\tGetStackValue(a_BeginPos + ", idx - 1, ", Arg", idx, ");\n") - end - f:write("}\n\n\n\n\n\n") -end - --- Close the generated file -f:close() - - - - - -print("LuaState_Call.inc generated.") - - - - |