258 lines
8 KiB
C++
258 lines
8 KiB
C++
/*
|
|
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
|
|
Released under Apache 2.0 license as described in the file LICENSE.
|
|
|
|
Author: Leonardo de Moura
|
|
*/
|
|
#include <sstream>
|
|
#include <lua.hpp>
|
|
#include "util/debug.h"
|
|
#include "util/name.h"
|
|
#include "util/sstream.h"
|
|
#include "util/sexpr/options.h"
|
|
#include "util/sexpr/option_declarations.h"
|
|
#include "bindings/lua/util.h"
|
|
#include "bindings/lua/name.h"
|
|
#include "bindings/lua/state.h"
|
|
|
|
namespace lean {
|
|
constexpr char const * options_mt = "options.mt";
|
|
|
|
bool is_options(lua_State * L, int idx) {
|
|
return testudata(L, idx, options_mt);
|
|
}
|
|
|
|
options & to_options(lua_State * L, int idx) {
|
|
return *static_cast<options*>(luaL_checkudata(L, idx, options_mt));
|
|
}
|
|
|
|
int push_options(lua_State * L, options const & o) {
|
|
void * mem = lua_newuserdata(L, sizeof(options));
|
|
new (mem) options(o);
|
|
luaL_getmetatable(L, options_mt);
|
|
lua_setmetatable(L, -2);
|
|
return 1;
|
|
}
|
|
|
|
static int mk_options(lua_State * L) {
|
|
// int nargs = lua_gettop(L);
|
|
options r;
|
|
return push_options(L, r);
|
|
}
|
|
|
|
static name to_key(lua_State * L, int idx) {
|
|
if (lua_isstring(L, idx)) {
|
|
char const * k = luaL_checkstring(L, idx);
|
|
return name(k);
|
|
} else {
|
|
return to_name(L, idx);
|
|
}
|
|
}
|
|
|
|
static int options_gc(lua_State * L) {
|
|
to_options(L, 1).~options();
|
|
return 0;
|
|
}
|
|
|
|
static int options_tostring(lua_State * L) {
|
|
std::ostringstream out;
|
|
out << to_options(L, 1);
|
|
lua_pushfstring(L, out.str().c_str());
|
|
return 1;
|
|
}
|
|
|
|
static int options_size(lua_State * L) {
|
|
lua_pushinteger(L, to_options(L, 1).size());
|
|
return 1;
|
|
}
|
|
|
|
static int options_contains(lua_State * L) {
|
|
lua_pushboolean(L, to_options(L, 1).contains(to_key(L, 2)));
|
|
return 1;
|
|
}
|
|
|
|
static int options_empty(lua_State * L) {
|
|
lua_pushboolean(L, to_options(L, 1).empty());
|
|
return 1;
|
|
}
|
|
|
|
static int options_get_bool(lua_State * L) {
|
|
int nargs = lua_gettop(L);
|
|
bool defval = nargs < 3 ? false : lua_toboolean(L, 3);
|
|
lua_pushboolean(L, to_options(L, 1).get_bool(to_key(L, 2), defval));
|
|
return 1;
|
|
}
|
|
|
|
static int options_get_int(lua_State * L) {
|
|
int nargs = lua_gettop(L);
|
|
int defval = nargs < 3 ? 0 : lua_tointeger(L, 3);
|
|
lua_pushinteger(L, to_options(L, 1).get_int(to_key(L, 2), defval));
|
|
return 1;
|
|
}
|
|
|
|
static int options_get_unsigned(lua_State * L) {
|
|
int nargs = lua_gettop(L);
|
|
unsigned defval = nargs < 3 ? 0 : lua_tointeger(L, 3);
|
|
lua_pushnumber(L, to_options(L, 1).get_unsigned(to_key(L, 2), defval));
|
|
return 1;
|
|
}
|
|
|
|
static int options_get_double(lua_State * L) {
|
|
int nargs = lua_gettop(L);
|
|
double defval = nargs < 3 ? 0.0 : lua_tonumber(L, 3);
|
|
lua_pushnumber(L, to_options(L, 1).get_double(to_key(L, 2), defval));
|
|
return 1;
|
|
}
|
|
|
|
static int options_get_string(lua_State * L) {
|
|
int nargs = lua_gettop(L);
|
|
char const * defval = nargs < 3 ? "" : lua_tostring(L, 3);
|
|
lua_pushfstring(L, to_options(L, 1).get_string(to_key(L, 2), defval));
|
|
return 1;
|
|
}
|
|
|
|
static int options_update_bool(lua_State * L) {
|
|
return push_options(L, to_options(L, 1).update(to_key(L, 2), static_cast<bool>(lua_toboolean(L, 3))));
|
|
}
|
|
|
|
static int options_update_int(lua_State * L) {
|
|
return push_options(L, to_options(L, 1).update(to_key(L, 2), static_cast<int>(lua_tointeger(L, 3))));
|
|
}
|
|
|
|
static int options_update_unsigned(lua_State * L) {
|
|
return push_options(L, to_options(L, 1).update(to_key(L, 2), static_cast<unsigned>(lua_tointeger(L, 3))));
|
|
}
|
|
|
|
static int options_update_double(lua_State * L) {
|
|
return push_options(L, to_options(L, 1).update(to_key(L, 2), lua_tonumber(L, 3)));
|
|
}
|
|
|
|
static int options_update_string(lua_State * L) {
|
|
return push_options(L, to_options(L, 1).update(to_key(L, 2), lua_tostring(L, 3)));
|
|
}
|
|
|
|
static int options_get(lua_State * L) {
|
|
name k = to_key(L, 2);
|
|
auto it = get_option_declarations().find(k);
|
|
if (it == get_option_declarations().end()) {
|
|
throw exception(sstream() << "unknown option '" << k.to_string().c_str() << "'");
|
|
} else {
|
|
option_declaration const & d = it->second;
|
|
switch (d.kind()) {
|
|
case BoolOption: return options_get_bool(L);
|
|
case IntOption: return options_get_int(L);
|
|
case UnsignedOption: return options_get_unsigned(L);
|
|
case DoubleOption: return options_get_double(L);
|
|
case StringOption: return options_get_string(L);
|
|
default: throw exception(sstream() << "unsupported option kind for '" << k.to_string().c_str() << "'");
|
|
}
|
|
}
|
|
}
|
|
|
|
static int options_update(lua_State * L) {
|
|
name k = to_key(L, 2);
|
|
auto it = get_option_declarations().find(k);
|
|
if (it == get_option_declarations().end()) {
|
|
throw exception(sstream() << "unknown option '" << k.to_string().c_str() << "'");
|
|
} else {
|
|
option_declaration const & d = it->second;
|
|
switch (d.kind()) {
|
|
case BoolOption: return options_update_bool(L);
|
|
case IntOption: return options_update_int(L);
|
|
case UnsignedOption: return options_update_unsigned(L);
|
|
case DoubleOption: return options_update_double(L);
|
|
case StringOption: return options_update_string(L);
|
|
default: throw exception(sstream() << "unsupported option kind for '" << k.to_string().c_str() << "'");
|
|
}
|
|
}
|
|
}
|
|
|
|
static int options_pred(lua_State * L) {
|
|
lua_pushboolean(L, is_options(L, 1));
|
|
return 1;
|
|
}
|
|
|
|
static char g_options_key;
|
|
|
|
options get_global_options(lua_State * L) {
|
|
state * S = get_state(L);
|
|
if (S != nullptr) {
|
|
return S->get_options();
|
|
} else {
|
|
lua_pushlightuserdata(L, static_cast<void *>(&g_options_key));
|
|
lua_gettable(L, LUA_REGISTRYINDEX);
|
|
options r;
|
|
if (is_options(L, -1))
|
|
r = to_options(L, -1);
|
|
lua_pop(L, 1);
|
|
return r;
|
|
}
|
|
}
|
|
|
|
void set_global_options(lua_State * L, options const & o) {
|
|
state * S = get_state(L);
|
|
if (S != nullptr) {
|
|
S->set_options(o);
|
|
} else {
|
|
lua_pushlightuserdata(L, static_cast<void *>(&g_options_key));
|
|
push_options(L, o);
|
|
lua_settable(L, LUA_REGISTRYINDEX);
|
|
}
|
|
}
|
|
|
|
static int _get_global_options(lua_State * L) {
|
|
return push_options(L, get_global_options(L));
|
|
}
|
|
|
|
static int _set_global_options(lua_State * L) {
|
|
options o = to_options(L, 1);
|
|
set_global_options(L, o);
|
|
return 0;
|
|
}
|
|
|
|
static int _set_global_option(lua_State * L) {
|
|
options o = get_global_options(L);
|
|
push_options(L, o);
|
|
lua_insert(L, 1);
|
|
options_update(L);
|
|
o = to_options(L, -1);
|
|
set_global_options(L, o);
|
|
return 0;
|
|
}
|
|
|
|
static const struct luaL_Reg options_m[] = {
|
|
{"__gc", options_gc}, // never throws
|
|
{"__tostring", safe_function<options_tostring>},
|
|
{"__len", safe_function<options_size> },
|
|
{"contains", safe_function<options_contains>},
|
|
{"size", safe_function<options_size>},
|
|
{"empty", safe_function<options_empty>},
|
|
{"get", safe_function<options_get>},
|
|
{"update", safe_function<options_update>},
|
|
// low-level API
|
|
{"get_bool", safe_function<options_get_bool>},
|
|
{"get_int", safe_function<options_get_int>},
|
|
{"get_unsigned", safe_function<options_get_unsigned>},
|
|
{"get_double", safe_function<options_get_double>},
|
|
{"get_string", safe_function<options_get_string>},
|
|
{"update_bool", safe_function<options_update_bool>},
|
|
{"update_int", safe_function<options_update_int>},
|
|
{"update_unsigned", safe_function<options_update_unsigned>},
|
|
{"update_double", safe_function<options_update_double>},
|
|
{"update_string", safe_function<options_update_string>},
|
|
{0, 0}
|
|
};
|
|
|
|
void open_options(lua_State * L) {
|
|
luaL_newmetatable(L, options_mt);
|
|
lua_pushvalue(L, -1);
|
|
lua_setfield(L, -2, "__index");
|
|
setfuncs(L, options_m, 0);
|
|
|
|
SET_GLOBAL_FUN(mk_options, "options");
|
|
SET_GLOBAL_FUN(options_pred, "is_options");
|
|
SET_GLOBAL_FUN(_get_global_options, "get_options");
|
|
SET_GLOBAL_FUN(_set_global_options, "set_options");
|
|
SET_GLOBAL_FUN(_set_global_option, "set_option");
|
|
}
|
|
}
|