asgardius/virtualx-engine
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Use type information to enable GDScript introspection

Browse source 
This makes the Script API provide accurate information when requesting
property or method info.
This commit is contained in:
George Marques 2018-05-29 23:16:57 -03:00
parent 4b18c4e448
commit e3d72d14ff
No known key found for this signature in database
GPG key ID: 046BD46A3201E43D
6 changed files with 129 additions and 98 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
modules/gdscript/gdscript.cpp
View file

@ -220,16 +220,14 @@ void GDScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {
void GDScript::get_script_method_list(List<MethodInfo> *p_list) const {
for (const Map<StringName, GDScriptFunction *>::Element *E = member_functions.front(); E; E = E->next()) {
GDScriptFunction *func = E->get();
MethodInfo mi;
mi.name = E->key();
for (int i = 0; i < E->get()->get_argument_count(); i++) {
PropertyInfo arg;
arg.type = Variant::NIL; //variant
arg.name = E->get()->get_argument_name(i);
mi.arguments.push_back(arg);
for (int i = 0; i < func->get_argument_count(); i++) {
mi.arguments.push_back(func->get_argument_type(i));
}
mi.return_val.name = "Variant";
mi.return_val = func->get_return_type();
p_list->push_back(mi);
}
}
@ -277,16 +275,14 @@ MethodInfo GDScript::get_method_info(const StringName &p_method) const {
if (!E)
return MethodInfo();
GDScriptFunction *func = E->get();
MethodInfo mi;
mi.name = E->key();
for (int i = 0; i < E->get()->get_argument_count(); i++) {
PropertyInfo arg;
arg.type = Variant::NIL; //variant
arg.name = E->get()->get_argument_name(i);
mi.arguments.push_back(arg);
for (int i = 0; i < func->get_argument_count(); i++) {
mi.arguments.push_back(func->get_argument_type(i));
}
mi.return_val.name = "Variant";
mi.return_val = func->get_return_type();
return mi;
}

1
modules/gdscript/gdscript.h
View file

@ -152,6 +152,7 @@ public:
}
const Map<StringName, GDScriptFunction *> &get_member_functions() const { return member_functions; }
const Ref<GDScriptNativeClass> &get_native() const { return native; }
const String &get_script_class_name() const { return name; }
virtual bool has_script_signal(const StringName &p_signal) const;
virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;

110
modules/gdscript/gdscript_compiler.cpp
View file

@ -111,23 +111,50 @@ bool GDScriptCompiler::_create_binary_operator(CodeGen &codegen, const GDScriptP
return true;
}
/*
int GDScriptCompiler::_parse_subexpression(CodeGen& codegen,const GDScriptParser::Node *p_expression) {
int ret = _parse_expression(codegen,p_expression);
if (ret<0)
return ret;
if (ret&(GDScriptFunction::ADDR_TYPE_STACK<<GDScriptFunction::ADDR_BITS)) {
codegen.stack_level++;
codegen.check_max_stack_level();
//stack was used, keep value
GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::DataType &p_datatype) const {
if (!p_datatype.has_type) {
return GDScriptDataType();
}
return ret;
GDScriptDataType result;
result.has_type = true;
switch (p_datatype.kind) {
case GDScriptParser::DataType::BUILTIN: {
result.kind = GDScriptDataType::BUILTIN;
result.builtin_type = p_datatype.builtin_type;
} break;
case GDScriptParser::DataType::NATIVE: {
result.kind = GDScriptDataType::NATIVE;
result.native_type = p_datatype.native_type;
} break;
case GDScriptParser::DataType::SCRIPT: {
result.kind = GDScriptDataType::SCRIPT;
result.script_type = p_datatype.script_type;
result.native_type = result.script_type->get_instance_base_type();
}
case GDScriptParser::DataType::GDSCRIPT: {
result.kind = GDScriptDataType::GDSCRIPT;
result.script_type = p_datatype.script_type;
result.native_type = result.script_type->get_instance_base_type();
} break;
case GDScriptParser::DataType::CLASS: {
result.kind = GDScriptDataType::GDSCRIPT;
if (p_datatype.class_type->name == StringName()) {
result.script_type = Ref<GDScript>(main_script);
} else {
result.script_type = class_map[p_datatype.class_type->name];
}
result.native_type = result.script_type->get_instance_base_type();
} break;
default: {
ERR_PRINT("Parser bug: converting unresolved type.");
result.has_type = false;
}
}
return result;
}
*/
int GDScriptCompiler::_parse_assign_right_expression(CodeGen &codegen, const GDScriptParser::OperatorNode *p_expression, int p_stack_level) {
@ -1883,41 +1910,41 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner
for (int i = 0; i < p_class->variables.size(); i++) {
StringName name = p_class->variables[i].identifier;
if (p_script->member_indices.has(name)) {
_set_error("Member '" + name + "' already exists (in current or parent class)", p_class);
return ERR_ALREADY_EXISTS;
}
if (_is_class_member_property(p_script, name)) {
_set_error("Member '" + name + "' already exists as a class property.", p_class);
return ERR_ALREADY_EXISTS;
}
if (p_class->variables[i]._export.type != Variant::NIL) {
p_script->member_info[name] = p_class->variables[i]._export;
#ifdef TOOLS_ENABLED
if (p_class->variables[i].default_value.get_type() != Variant::NIL) {
p_script->member_default_values[name] = p_class->variables[i].default_value;
}
#endif
} else {
p_script->member_info[name] = PropertyInfo(Variant::NIL, name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_SCRIPT_VARIABLE);
}
//int new_idx = p_script->member_indices.size();
GDScript::MemberInfo minfo;
minfo.index = p_script->member_indices.size();
minfo.setter = p_class->variables[i].setter;
minfo.getter = p_class->variables[i].getter;
minfo.rpc_mode = p_class->variables[i].rpc_mode;
minfo.data_type = _gdtype_from_datatype(p_class->variables[i].data_type);
PropertyInfo prop_info = minfo.data_type;
prop_info.name = name;
PropertyInfo export_info = p_class->variables[i]._export;
if (export_info.type != Variant::NIL) {
if (!minfo.data_type.has_type) {
prop_info.type = export_info.type;
prop_info.class_name = export_info.class_name;
}
prop_info.hint = export_info.hint;
prop_info.hint_string = export_info.hint_string;
prop_info.usage = export_info.usage;
#ifdef TOOLS_ENABLED
if (p_class->variables[i].default_value.get_type() != Variant::NIL) {
p_script->member_default_values[name] = p_class->variables[i].default_value;
}
#endif
} else {
prop_info.usage = PROPERTY_USAGE_SCRIPT_VARIABLE;
}
p_script->member_info[name] = prop_info;
p_script->member_indices[name] = minfo;
p_script->members.insert(name);
#ifdef TOOLS_ENABLED
p_script->member_lines[name] = p_class->variables[i].line;
#endif
}
@ -1928,15 +1955,9 @@ Error GDScriptCompiler::_parse_class_level(GDScript *p_script, GDScript *p_owner
ERR_CONTINUE(E->get().expression->type != GDScriptParser::Node::TYPE_CONSTANT);
if (_is_class_member_property(p_script, name)) {
_set_error("Member '" + name + "' already exists as a class property.", p_class);
return ERR_ALREADY_EXISTS;
}
GDScriptParser::ConstantNode *constant = static_cast<GDScriptParser::ConstantNode *>(E->get().expression);
p_script->constants.insert(name, constant->value);
//p_script->constants[constant->value].make_const();
#ifdef TOOLS_ENABLED
p_script->member_lines[name] = E->get().expression->line;
@ -2144,6 +2165,7 @@ Error GDScriptCompiler::compile(const GDScriptParser *p_parser, GDScript *p_scri
err_column = -1;
error = "";
parser = p_parser;
main_script = p_script;
const GDScriptParser::Node *root = parser->get_parse_tree();
ERR_FAIL_COND_V(root->type != GDScriptParser::Node::TYPE_CLASS, ERR_INVALID_DATA);

3
modules/gdscript/gdscript_compiler.h
View file

@ -41,6 +41,7 @@ class GDScriptCompiler {
Map<StringName, Ref<GDScript> > class_map;
Set<StringName> parsed_classes;
Set<StringName> parsing_classes;
GDScript *main_script;
struct CodeGen {
GDScript *script;
@ -142,6 +143,8 @@ class GDScriptCompiler {
bool _create_unary_operator(CodeGen &codegen, const GDScriptParser::OperatorNode *on, Variant::Operator op, int p_stack_level);
bool _create_binary_operator(CodeGen &codegen, const GDScriptParser::OperatorNode *on, Variant::Operator op, int p_stack_level, bool p_initializer = false);
GDScriptDataType _gdtype_from_datatype(const GDScriptParser::DataType &p_datatype) const;
int _parse_assign_right_expression(CodeGen &codegen, const GDScriptParser::OperatorNode *p_expression, int p_stack_level);
int _parse_expression(CodeGen &codegen, const GDScriptParser::Node *p_expression, int p_stack_level, bool p_root = false, bool p_initializer = false);
Error _parse_block(CodeGen &codegen, const GDScriptParser::BlockNode *p_block, int p_stack_level = 0, int p_break_addr = -1, int p_continue_addr = -1);

50
modules/gdscript/gdscript_parser.cpp
View file

@ -4957,6 +4957,56 @@ void GDScriptParser::_determine_inheritance(ClassNode *p_class) {
}
}
String GDScriptParser::DataType::to_string() const {
if (!has_type) return "var";
switch (kind) {
case BUILTIN: {
if (builtin_type == Variant::NIL) return "null";
return Variant::get_type_name(builtin_type);
} break;
case NATIVE: {
if (is_meta_type) {
return "GDScriptNativeClass";
}
return native_type.operator String();
} break;
case GDSCRIPT: {
Ref<GDScript> gds = script_type;
const String &gds_class = gds->get_script_class_name();
if (!gds_class.empty()) {
return gds_class;
}
} // fallthrough
case SCRIPT: {
if (is_meta_type) {
return script_type->get_class_name().operator String();
}
String name = script_type->get_name();
if (name != String()) {
return name;
}
name = script_type->get_path().get_file();
if (name != String()) {
return name;
}
return native_type.operator String();
} break;
case CLASS: {
ERR_FAIL_COND_V(!class_type, String());
if (is_meta_type) {
return "GDScript";
}
if (class_type->name == StringName()) {
return "self";
}
return class_type->name.operator String();
} break;
}
return "Unresolved";
}
bool GDScriptParser::_parse_type(DataType &r_type, bool p_can_be_void) {
tokenizer->advance();
r_type.has_type = true;

43
modules/gdscript/gdscript_parser.h
View file

@ -62,48 +62,7 @@ public:
Ref<Script> script_type;
ClassNode *class_type;
String to_string() const {
if (!has_type) return "var";
switch (kind) {
case BUILTIN: {
if (builtin_type == Variant::NIL) return "null";
return Variant::get_type_name(builtin_type);
} break;
case NATIVE: {
if (is_meta_type) {
return "GDScriptNativeClass";
}
return native_type.operator String();
} break;
case SCRIPT:
case GDSCRIPT: {
if (is_meta_type) {
return script_type->get_class_name().operator String();
}
String name = script_type->get_name();
if (name != String()) {
return name;
}
name = script_type->get_path().get_file();
if (name != String()) {
return name;
}
return native_type.operator String();
} break;
case CLASS: {
ERR_FAIL_COND_V(!class_type, String());
if (is_meta_type) {
return "GDScript";
}
if (class_type->name == StringName()) {
return "self";
}
return class_type->name.operator String();
} break;
}
return "Unresolved";
}
String to_string() const;
bool operator==(const DataType &other) const {
if (!has_type || !other.has_type) {