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Pass string_view instead of const char* to callback functions

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King_DuckZ 2022-04-28 22:55:22 +02:00
parent f84234cede
commit 6f4b0ce094
7 changed files with 63 additions and 42 deletions
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25
examples/calendar/main.cpp
View file

@ -97,8 +97,8 @@ System.print("You have %(cale.appointment_count()) appointment(s)")
class MyConf : public wren::DefConfiguration {
public:
char* load_module_fn(wren::VM* vm, const char* module_name) {
if (std::string_view{module_name} == "calendar") {
char* load_module_fn(wren::VM* vm, std::string_view module_name) {
if (module_name == "calendar") {
constexpr const std::size_t buff_sz = sizeof(g_calendar_src);
char* const buff = static_cast<char*>(MyConf::reallocate_fn(nullptr, buff_sz));
std::copy(g_calendar_src, g_calendar_src + buff_sz / sizeof(g_calendar_src[0]), buff);
@ -107,11 +107,13 @@ System.print("You have %(cale.appointment_count()) appointment(s)")
return nullptr;
}
wren::foreign_method_t foreign_method_fn(wren::VM* vm, const char* m, const char* c, bool is_static, const char* s) {
std::string_view module(m);
std::string_view class_name(c);
std::string_view signature(s);
wren::foreign_method_t foreign_method_fn(
wren::VM* vm,
std::string_view module,
std::string_view class_name,
bool is_static,
std::string_view signature
) {
if (module == "calendar" and class_name == "Calendar") {
if (is_static and signature == "today()")
return &Calendar::today;
@ -123,10 +125,11 @@ System.print("You have %(cale.appointment_count()) appointment(s)")
return nullptr;
}
wren::foreign_class_t foreign_class_fn(wren::VM* vm, const char* m, const char* c) {
std::string_view module(m);
std::string_view class_name(c);
wren::foreign_class_t foreign_class_fn(
wren::VM* vm,
std::string_view module,
std::string_view class_name
) {
if (module == "calendar" and class_name == "Calendar") {
return wren::make_foreign_class<Calendar>();
}

9
examples/dieroll/main.cpp
View file

@ -51,14 +51,11 @@ namespace {
public:
wren::foreign_method_t foreign_method_fn (
wren::VM* vm,
const char* module_ptr,
const char* class_name_ptr,
std::string_view module,
std::string_view class_name,
bool is_static,
const char* signature_ptr
std::string_view signature
) {
std::string_view module(module_ptr);
std::string_view class_name(class_name_ptr);
std::string_view signature(signature_ptr);
//std::cout << "requested: \"" << module << "\" \"" <<
// class_name << "\" \"" << signature << "\" static: " <<
// std::boolalpha << is_static << '\n';

13
examples/greet/main.cpp
View file

@ -63,18 +63,15 @@ class MyConfig : public wren::DefConfiguration {
public:
wren::foreign_method_t foreign_method_fn (
wren::VM* vm,
const char* module_ptr,
const char* class_name_ptr,
std::string_view module,
std::string_view class_name,
bool is_static,
const char* signature_ptr
std::string_view signature
) {
//std::cout << "VM " << vm << " requested foreign method " <<
// class_name_ptr << "::" << signature_ptr <<
// " in module " << module_ptr << "\n";
// class_name << "::" << signature <<
// " in module " << module << "\n";
std::string_view module(module_ptr);
std::string_view class_name(class_name_ptr);
std::string_view signature(signature_ptr);
if ("User" == class_name and "main" == module and "get_env(_)" == signature)
return &user_get_env;

5
include/wrenpp/def_configuration.hpp
View file

@ -18,6 +18,7 @@
#pragma once
#include "configuration.hpp"
#include "wrenpp/wren_types.hpp"
#include "error_type.hpp"
namespace wren {
@ -27,8 +28,8 @@ namespace wren {
class DefConfiguration : public Configuration {
public:
static void write_fn (VM*, const char* text);
static void error_fn (VM*, ErrorType, const char* module, int line, const char* msg);
static void write_fn (VM*, wren_string_t text);
static void error_fn (VM*, ErrorType, wren_string_t module, int line, wren_string_t msg);
static void* reallocate_fn(void* ptr, std::size_t size);
};
} //namespace wren

27
include/wrenpp/vm.hpp
View file

@ -21,6 +21,7 @@
#include "error_type.hpp"
#include "handle.hpp"
#include "StringCRC32.hpp"
#include "wren_types.hpp"
#include <memory>
#include <tuple>
#include <utility>
@ -49,14 +50,14 @@ namespace wren {
namespace detail {
struct Callbacks {
void (*write_fn)(Configuration&, VM*, const char*) {nullptr};
void (*error_fn)(Configuration&, VM*, ErrorType, const char*, int, const char*) {nullptr};
void (*write_fn)(Configuration&, VM*, wren_string_t) {nullptr};
void (*error_fn)(Configuration&, VM*, ErrorType, wren_string_t, int, wren_string_t) {nullptr};
void* (*reallocate_fn)(void*, std::size_t) {nullptr};
const char* (*resolve_module_fn)(Configuration&, VM*, const char*, const char*) {nullptr};
char* (*load_module_fn)(Configuration&, VM*, const char*) {nullptr};
foreign_method_t (*foreign_method_fn)(Configuration&, VM*, const char*, const char*, bool, const char*) {nullptr};
foreign_class_t (*foreign_class_fn)(Configuration&, VM*, const char*, const char*) {nullptr};
void (*load_module_complete_fn)(Configuration&, VM*, const char*);
const char* (*resolve_module_fn)(Configuration&, VM*, wren_string_t, wren_string_t) {nullptr};
char* (*load_module_fn)(Configuration&, VM*, wren_string_t) {nullptr};
foreign_method_t (*foreign_method_fn)(Configuration&, VM*, wren_string_t, wren_string_t, bool, wren_string_t) {nullptr};
foreign_class_t (*foreign_class_fn)(Configuration&, VM*, wren_string_t, wren_string_t) {nullptr};
void (*load_module_complete_fn)(Configuration&, VM*, wren_string_t);
Configuration* config_obj {nullptr};
VM* owner {nullptr};
@ -125,13 +126,13 @@ namespace wren {
};
namespace detail {
define_method_info(write_fn, write, void, VM*, const char*);
define_method_info(error_fn, error, void, VM*, ErrorType, const char*, int, const char*);
define_method_info(write_fn, write, void, VM*, wren_string_t);
define_method_info(error_fn, error, void, VM*, ErrorType, wren_string_t, int, wren_string_t);
define_method_info(reallocate_fn, reallocate, void*, void*, std::size_t);
define_method_info(resolve_module_fn, resolve_module, const char*, const char*, const char*);
define_method_info(load_module_fn, load_module, char*, VM*, const char*);
define_method_info(foreign_method_fn, foreign_method, foreign_method_t, VM*, const char*, const char*, bool, const char*);
define_method_info(foreign_class_fn, foreign_class, foreign_class_t, VM*, const char*, const char*);
define_method_info(resolve_module_fn, resolve_module, wren_string_t, wren_string_t, wren_string_t);
define_method_info(load_module_fn, load_module, char*, VM*, wren_string_t);
define_method_info(foreign_method_fn, foreign_method, foreign_method_t, VM*, wren_string_t, wren_string_t, bool, wren_string_t);
define_method_info(foreign_class_fn, foreign_class, foreign_class_t, VM*, wren_string_t, wren_string_t);
template <typename T, typename F> struct AnyFunctionWrap;
template <typename T, typename R, typename... Args>

22
include/wrenpp/wren_types.hpp Normal file
View file

@ -0,0 +1,22 @@
/* Copyright 2020-2022, Michele Santullo
* This file is part of wrenpp.
*
* Wrenpp is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Wrenpp is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with wrenpp. If not, see <http://www.gnu.org/licenses/>.
*/
#include <string_view>
namespace wren {
typedef std::string_view wren_string_t;
} //namespace wren

4
src/def_configuration.cpp
View file

@ -20,11 +20,11 @@
#include <algorithm>
namespace wren {
void DefConfiguration::write_fn (VM*, const char* text) {
void DefConfiguration::write_fn (VM*, wren_string_t text) {
std::cout << text;
}
void DefConfiguration::error_fn (VM*, ErrorType type, const char* module, int line, const char* message) {
void DefConfiguration::error_fn (VM*, ErrorType type, wren_string_t module, int line, wren_string_t message) {
std::cerr << "Wren error: " << message << " in " << module << ':' << line << '\n';
}