mewin/godot-cpp
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

buuunch of stuff

Browse Source
This commit is contained in:
Karroffel
2017-03-06 08:49:24 +01:00
parent 92e1f553ec
commit 632c953e42
45 changed files with 474 additions and 533 deletions
Download Patch File Download Diff File Expand all files Collapse all files

393
binding_generator/src/main.rs
View File

@@ -68,6 +68,8 @@ fn main() {
let json: Vec<GodotClass> = serde_json::from_str::<Vec<GodotClass>>(&file_contents).unwrap();
let mut icalls: HashSet<(String, Vec<String>)> = HashSet::new();
for class in json {
let used_classes = get_used_classes(&class);
@@ -76,8 +78,17 @@ fn main() {
header.write_all(generate_class_header(&used_classes, &class).as_bytes());
let mut implementation = File::create((base_dir.to_string() + "impl/" + strip_name(&class.name) + ".cpp").as_str()).unwrap();
implementation.write_all(generate_class_implementation(&used_classes, &class).as_bytes());
implementation.write_all(generate_class_implementation(&mut icalls, &used_classes, &class).as_bytes());
}
// generate icall files
let mut icall_header = File::create((base_dir.to_string() + "__icalls.hpp").as_str()).unwrap();
icall_header.write_all(generate_icall_header(&icalls).as_bytes());
let mut icall_implmentation = File::create((base_dir.to_string() + "impl/__icalls.cpp").as_str()).unwrap();
icall_implmentation.write_all(generate_icall_implementation(&icalls).as_bytes());
}
fn get_used_classes(class: &GodotClass) -> HashSet<&String> {
@@ -110,12 +121,12 @@ fn generate_class_header(used_classes: &HashSet<&String>, class: &GodotClass) ->
contents = contents + "#define ";
contents = contents + strip_name(&class.name).to_string().to_uppercase().as_str() + "_H\n\n";
contents = contents + "\n#include \"core/CoreTypes.h\"\n";
contents = contents + "\n#include \"core/CoreTypes.hpp\"\n";
contents = contents + "\n#include <godot.h>\n\n\n";
if class.base_class != "" {
contents = contents + "\n#include \"" + strip_name(&class.base_class) + ".h\"\n\n\n";
contents = contents + "\n#include \"" + strip_name(&class.base_class) + ".hpp\"\n\n\n";
}
contents = contents + "namespace godot {\n\n";
@@ -138,10 +149,6 @@ fn generate_class_header(used_classes: &HashSet<&String>, class: &GodotClass) ->
name
};
if class.singleton {
contents = contents + "\n\nstatic godot_object *" + core_obj_name.as_str() + ";\n\n";
}
contents = contents + "class " + strip_name(&class.name);
if class.base_class != "" {
@@ -178,8 +185,8 @@ fn generate_class_header(used_classes: &HashSet<&String>, class: &GodotClass) ->
}
if class.instanciable {
contents = contents + "\tstatic " + strip_name(&class.name) + " _new();\n";
contents = contents + "\tvoid _destroy();\n\n";
contents = contents + "\tstatic " + strip_name(&class.name) + "& __new();\n";
contents = contents + "\tvoid __destroy();\n\n";
}
for (name, value) in &class.constants {
@@ -189,7 +196,7 @@ fn generate_class_header(used_classes: &HashSet<&String>, class: &GodotClass) ->
contents += "\n\n";
for method in &class.methods {
contents = contents + "\t" + (if class.singleton { "static " } else if method.is_virtual { "virtual " } else { "" }) + strip_name(&method.return_type) + (if !is_core_type(&method.return_type) && !is_primitive(&method.return_type) { " &" } else { " " }) + method.name.as_str() + "(";
contents = contents + "\t" + (if class.singleton { "static " } else if method.is_virtual { "virtual " } else { "" }) + strip_name(&method.return_type) + (if !is_core_type(&method.return_type) && !is_primitive(&method.return_type) { " &" } else { " " }) + escape_cpp(&method.name) + "(";
for (i, argument) in (&method.arguments).iter().enumerate() {
if !is_primitive(&argument._type) {
@@ -204,11 +211,21 @@ fn generate_class_header(used_classes: &HashSet<&String>, class: &GodotClass) ->
}
}
contents = contents + ")" + if method.is_const { " const" } else { "" } + ";\n";
contents = contents + ")" + if method.is_const && !class.singleton { " const" } else { "" } + ";\n";
// contents = contents + ")" + if method.is_const { " const" } else { "" } + ";\n";
}
contents = contents + "};\n\n";
if class.base_class == "" {
// Object
contents = contents + "\ninline Variant::operator Object() const\n{\n\n";
contents = contents + "\treturn Object(godot_variant_as_object(&_godot_variant));\n\n";
contents = contents + "\n}\n\n";
}
contents = contents + "}\n";
contents = contents + "#endif\n";
@@ -217,22 +234,26 @@ fn generate_class_header(used_classes: &HashSet<&String>, class: &GodotClass) ->
}
fn generate_class_implementation(used_classes: &HashSet<&String>, class: &GodotClass) -> String {
fn generate_class_implementation(icalls: &mut HashSet<(String, Vec<String>)>, used_classes: &HashSet<&String>, class: &GodotClass) -> String {
let mut contents = String::new();
contents = contents + "#include \"" + strip_name(&class.name) + ".hpp" + "\"\n";
/* contents = contents + "\n#include \"core/CoreTypes.h\"\n";
contents = contents + "\n#include \"core/CoreTypes.hpp\"\n";
contents = contents + "\n#include <godot.h>\n\n\n";
if class.base_class != "" {
contents = contents + "\n#include \"" + strip_name(&class.base_class) + ".h\"\n\n\n";
if class.instanciable {
contents = contents + "#include \"ClassDB.hpp\"\n";
}
contents = contents + "namespace godot {\n\n";
contents = contents + "\n#include \"__icalls.hpp\"\n\n\n";
// contents += forward_declares;
for used_class in used_classes {
contents = contents + "#include \"" + strip_name(used_class) + ".hpp\"\n";
}
contents = contents + "\n\n";
contents = contents + "namespace godot {\n\n";
let core_obj_name = {
let mut name = String::new();
@@ -244,65 +265,46 @@ fn generate_class_implementation(used_classes: &HashSet<&String>, class: &GodotC
name
};
if class.singleton {
contents = contents + "\n\nstatic godot_object *" + core_obj_name.as_str() + ";\n\n";
}
contents = contents + "\n\n\nclass " + strip_name(&class.name);
if class.base_class != "" {
contents = contents + " : public " + strip_name(&class.base_class);
}
contents = contents + " {\n";
if class.base_class == "" {
contents = contents + "protected:\n\tgodot_object *__core_object = 0;\n\n";
}
contents = contents + "\n\n\n";
if class.singleton {
contents = contents + "private:\n";
contents = contents + "\tstatic void ___singleton_init() { "
+ core_obj_name.as_str() + " = godot_global_get_singleton(\"" + strip_name(&class.name) + "\"); }\n\n";
contents = contents + "static godot_object *" + core_obj_name.as_str() + ";\n\n\n\n\n";
}
if class.singleton {
contents = contents + "void " + strip_name(&class.name) + "::___singleton_init()\n{\n\t"
+ core_obj_name.as_str() + " = godot_global_get_singleton(\"" + strip_name(&class.name) + "\");\n}\n\n";
}
contents = contents + "public:\n\n";
// default constructor
{
contents = contents + "\t" + strip_name(&class.name) + "() {\n";
contents = contents + "\t\t\n";
contents = contents + "\t}\n\n";
contents = contents + "" + strip_name(&class.name) + "::" + strip_name(&class.name) + "()\n{\n";
contents = contents + "\t\n";
contents = contents + "}\n\n";
}
// pointer constructor
{
contents = contents + "\t" + strip_name(&class.name) + "(godot_object *ptr) {\n";
contents = contents + "\t\t__core_object = ptr;\n";
contents = contents + "\t}\n\n\n";
contents = contents + "" + strip_name(&class.name) + "::" + strip_name(&class.name) + "(godot_object *ptr)\n{\n";
contents = contents + "\t__core_object = ptr;\n";
contents = contents + "}\n\n\n";
}
if class.base_class != "" {
contents = contents + "\tvoid _init() {\n";
contents = contents + "\t\t\n";
contents = contents + "\t}\n\n";
contents = contents + "void " + strip_name(&class.name) + "::" + "_init()\n{\n";
contents = contents + "\t\n";
contents = contents + "}\n\n";
}
if class.instanciable {
contents = contents + "\tstatic " + strip_name(&class.name) + "& _new();\n";
contents = contents + "\tvoid _destroy();\n\n";
}
for (name, value) in &class.constants {
contents = contents + "\tconst static int " + name.as_str() + " = " + value.as_i64().unwrap().to_string().as_str() + ";\n";
}
contents += "\n\n";
for method in &class.methods {
contents = contents + "\t" + (if class.singleton { "static " } else { "" }) + strip_name(&method.return_type) + (if !is_core_type(&method.return_type) && !is_primitive(&method.return_type) { " &" } else { " " }) + method.name.as_str() + "(";
contents = contents + strip_name(&method.return_type) + (if !is_core_type(&method.return_type) && !is_primitive(&method.return_type) { " &" } else { " " }) + strip_name(&class.name) + "::" + escape_cpp(&method.name) + "(";
for (i, argument) in (&method.arguments).iter().enumerate() {
if !is_primitive(&argument._type) {
@@ -317,94 +319,269 @@ fn generate_class_implementation(used_classes: &HashSet<&String>, class: &GodotC
}
}
contents = contents + ") {\n";
contents = contents + ")" + if method.is_const && !class.singleton { " const" } else { "" } + "\n{\n";
if class.singleton {
contents = contents + "\t\tif (" + core_obj_name.as_str() + " == 0) {\n";
contents = contents + "\t\t\t___singleton_init();\n";
contents = contents + "\t\t}\n\n";
contents = contents + "\tif (" + core_obj_name.as_str() + " == 0) {\n";
contents = contents + "\t\t___singleton_init();\n";
contents = contents + "\t}\n\n";
}
contents = contents + "\t\tstatic godot_method_bind *mb = NULL;\n"
+ "\t\tif (mb == NULL) {\n"
+ "\t\t\tmb = godot_method_bind_get_method(\"" + class.name.as_str() + "\", \"" + method.name.as_str() + "\");\n"
+ "\t\t}\n";
contents = contents + "\tstatic godot_method_bind *mb = NULL;\n"
+ "\tif (mb == NULL) {\n"
+ "\t\tmb = godot_method_bind_get_method(\"" + class.name.as_str() + "\", \"" + method.name.as_str() + "\");\n"
+ "\t}\n\t";
if method.return_type != "void" {
// contents = contents + "\t\t" + strip_name(&method.return_type) + (if !is_core_type(&method.return_type) && !is_primitive(&method.return_type) { "*" } else { "" }) + " ret;" + "\n";
contents = contents + "\t\t" + if !is_core_type(&method.return_type) && !is_primitive(&method.return_type) { "godot_object*" } else { strip_name(&method.return_type) } + " ret;\n";
}
contents = contents + "\t\tconst void *args[] = {\n";
for argument in &method.arguments {
contents = contents + "\t\t\t";
if is_primitive(&argument._type) {
contents = contents + "&" + argument.name.as_str();
} else if is_core_type(&argument._type) {
contents = contents + "(void *) &" + escape_cpp(&argument.name);
} else {
contents = contents + "(void *) &" + escape_cpp(&argument.name);
contents = contents + "return ";
if !is_primitive(&method.return_type) && !is_core_type(&method.return_type) {
contents = contents + "reinterpret_cast<" + strip_name(&method.return_type) + "&>(";
}
contents = contents + ",\n";
}
contents = contents + "\t\t};\n";
let mut args = Vec::new();
contents = contents + "\t\tgodot_method_bind_ptrcall(mb, " + core_obj_name.as_str() + ", args, " + if method.return_type == "void" { "NULL" } else { "&ret" } + ");\n";
fn get_icall_type_name(t: &String) -> String {
if is_core_type(t) || is_primitive(t) {
t.clone()
} else {
"Object".to_string()
}
}
for arg in &method.arguments {
args.push(get_icall_type_name(&arg._type));
}
let icallsig = (get_icall_type_name(&method.return_type), args);
let name = get_icall_name(&icallsig);
icalls.insert(icallsig);
contents = contents + name.as_str() + "(mb, " + core_obj_name.as_str();
for arg in &method.arguments {
contents = contents + ", " + escape_cpp(&arg.name);
}
if !is_primitive(&method.return_type) && !is_core_type(&method.return_type) {
contents = contents + "\t\treturn reinterpret_cast<" + strip_name(&method.return_type) + "&>(ret);\n";
} else if method.return_type != "void" {
contents = contents + "\t\treturn ret;\n";
contents = contents + ")";
}
contents = contents + ");\n";
contents = contents + "\t}\n\n";
contents = contents + "}\n\n";
}
contents = contents + "};\n\n";
contents = contents + "}\n";
if class.instanciable {
contents = contents + "#include \"ClassDB.h\"\n";
contents = contents + "namespace godot {\n\n";
contents = contents + "" + strip_name(&class.name) + "& " + strip_name(&class.name) + "::_new() {\n";
contents = contents + strip_name(&class.name) + "& " + strip_name(&class.name) + "::__new() {\n";
contents = contents + "\tObject ptr = ClassDB::instance(\"" + class.name.as_str() + "\");\n";
contents = contents + "\treturn reinterpret_cast<" + strip_name(&class.name) + "&>(ptr);";
contents = contents + "\treturn reinterpret_cast<" + strip_name(&class.name) + "&>(ptr);\n";
contents = contents + "}\n\n";
contents = contents + "void " + strip_name(&class.name) + "::_destroy() {\n";
contents = contents + "void " + strip_name(&class.name) + "::__destroy() {\n";
contents = contents + "\tgodot_object_destroy(__core_object);\n";
contents = contents + "}\n\n\n";
if class.base_class == "" {
/* if class.base_class == "" {
// Object
contents = contents + "Variant::operator Object()const {\n\n";
contents = contents + "\treturn Object(godot_variant_as_object(&_godot_variant));\n\n";
contents = contents + "}\n\n";
}
} */
}
contents = contents + "}\n";
contents = contents + "}\n";
contents
}
fn get_icall_name(sig: &(String, Vec<String>)) -> String {
let &(ref ret, ref args) = sig;
let mut name = String::new();
name = name + "___godot_icall_";
name = name + strip_name(&ret);
for arg in args {
name = name + "_" + strip_name(&arg);
}
name
}
fn get_icall_name_ref(sig: (&String, &Vec<String>)) -> String {
let (ref ret, args) = sig;
let mut name = String::new();
name = name + "___godot_icall_";
name = name + strip_name(&ret);
for arg in args {
name = name + "_" + strip_name(&arg);
}
name
}
fn generate_icall_header(icalls: &HashSet<(String, Vec<String>)>) -> String {
fn return_type(t: &String) -> &str {
if is_primitive(t) || is_core_type(t) {
t.as_str()
} else {
"Object& "
}
}
let mut contents = String::new();
contents = contents + "#ifndef __ICALLS_H\n";
contents = contents + "#define __ICALLS_H\n\n\n";
contents = contents + "#include <godot.h>\n\n\n";
contents = contents + "#include \"core/CoreTypes.hpp\"\n";
contents = contents + "#include \"Object.hpp\"\n\n\n";
contents = contents + "using namespace godot;\n\n\n";
for &(ref ret, ref args) in icalls {
contents = contents + return_type(ret) + " " + get_icall_name_ref((ret, args)).as_str() + "(godot_method_bind *mb, godot_object *inst";
for arg in args {
contents = contents + ", ";
if !is_primitive(&arg) {
contents = contents + "const " + arg.as_str() + "&";
} else {
contents = contents + "const " + arg.as_str() + "";
}
}
contents = contents + ");\n";
}
contents = contents + "#endif";
contents
}
fn generate_icall_implementation(icalls: &HashSet<(String, Vec<String>)>) -> String {
fn return_type(t: &String) -> &str {
if is_primitive(t) || is_core_type(t) {
t.as_str()
} else {
"Object& "
}
}
let mut contents = String::new();
contents = contents + "#include \"__icalls.hpp\"\n";
contents = contents + "#include <godot.h>\n\n\n";
contents = contents + "#include \"core/CoreTypes.hpp\"\n";
contents = contents + "#include \"Object.hpp\"\n\n\n";
contents = contents + "using namespace godot;\n\n\n";
for &(ref ret, ref args) in icalls {
contents = contents + return_type(ret) + " " + get_icall_name_ref((ret, args)).as_str() + "(godot_method_bind *mb, godot_object *inst";
let mut i = 0;
for arg in args {
contents = contents + ", ";
if !is_primitive(&arg) {
contents = contents + "const " + arg.as_str() + "&";
} else {
contents = contents + "const " + arg.as_str() + "";
}
contents = contents + " arg" + i.to_string().as_str();
i = i + 1;
}
contents = contents + ")\n";
contents = contents + "{\n";
if ret != "void" {
contents = contents + "\t" + if !is_core_type(ret) && !is_primitive(ret) { "godot_object*" } else { strip_name(ret) } + " ret;\n";
}
contents = contents + "\tconst void *args[] = {\n";
let mut j = 0;
for arg in args {
contents = contents + "\t\t";
if is_primitive(arg) {
contents = contents + "&arg" + j.to_string().as_str();
} else if is_core_type(arg) {
contents = contents + "(void *) &arg" + j.to_string().as_str();
} else {
contents = contents + "(void *) &arg" + j.to_string().as_str();
}
contents = contents + ",\n";
j = j + 1;
}
contents = contents + "\t};\n";
contents = contents + "\tgodot_method_bind_ptrcall(mb, inst, args, " + if ret == "void" { "NULL" } else { "&ret" } + ");\n";
if !is_primitive(ret) && !is_core_type(ret) {
contents = contents + "\treturn reinterpret_cast<Object&>(ret);\n";
} else if ret != "void" {
contents = contents + "\treturn ret;\n";
}
contents = contents + "}\n\n";
}
// contents = contents + "#endif";
contents = contents + "#endif\n";
*/
contents
}
fn is_core_type(name: &String) -> bool {
let core_types = vec!["Array", "PoolStringArray", "Vector2", "Vector3", "String", "Variant"];
let core_types = vec!["Array",
"Basis",
"Color",
"Dictionary",
"Error",
"Image",
"InputEvent",
"NodePath",
"Plane",
"PoolByteArray",
"PoolIntArray",
"PoolRealArray",
"PoolStringArray",
"PoolVector2Array",
"PoolVector3Array",
"PoolColorArray",
"Quat",
"Rect2",
"Rect3",
"RID",
"String",
"Transform",
"Transform2D",
"Variant",
"Vector2",
"Vector3"];
core_types.contains(&name.as_str())
}
@@ -418,6 +595,14 @@ fn escape_cpp(name: &String) -> &str {
"class" => "_class",
"char" => "_char",
"short" => "_short",
"bool" => "_bool",
"int" => "_int",
"default" => "_default",
"case" => "_case",
"switch" => "_switch",
"export" => "_export",
"template" => "_template",
"new" => "new_",
x => x
}
}