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Store type hint of declared identifiers

This commit is contained in:
George Marques 2018-05-29 23:16:53 -03:00
parent b7a00aead0
commit f7793fc5c9
No known key found for this signature in database
GPG Key ID: 046BD46A3201E43D
2 changed files with 78 additions and 19 deletions
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49
modules/gdscript/gdscript_parser.cpp
View File

@ -1098,8 +1098,7 @@ GDScriptParser::Node *GDScriptParser::_parse_expression(Node *p_parent, bool p_s
return NULL;
}
CastNode *cn = alloc_node<CastNode>();
DataType casttype;
if (!_parse_type(casttype)) {
if (!_parse_type(cn->cast_type)) {
_set_error("Expected type after 'as'.");
return NULL;
}
@ -2510,8 +2509,7 @@ void GDScriptParser::_parse_block(BlockNode *p_block, bool p_static) {
Node *assigned = NULL;
if (tokenizer->get_token() == GDScriptTokenizer::TK_COLON) {
DataType vartype;
if (!_parse_type(vartype)) {
if (!_parse_type(lv->datatype)) {
_set_error("Expected type for variable.");
return;
}
@ -3293,6 +3291,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
tokenizer->advance();
Vector<StringName> arguments;
Vector<DataType> argument_types;
Vector<Node *> default_values;
int fnline = tokenizer->get_token_line();
@ -3323,13 +3322,14 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
tokenizer->advance();
DataType argtype;
if (tokenizer->get_token() == GDScriptTokenizer::TK_COLON) {
DataType argtype;
if (!_parse_type(argtype)) {
_set_error("Expected type for argument.");
return;
}
}
argument_types.push_back(argtype);
if (defaulting && tokenizer->get_token() != GDScriptTokenizer::TK_OP_ASSIGN) {
@ -3438,9 +3438,10 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
}
}
DataType return_type;
if (tokenizer->get_token() == GDScriptTokenizer::TK_FORWARD_ARROW) {
DataType rettype;
if (!_parse_type(rettype, true)) {
if (!_parse_type(return_type, true)) {
_set_error("Expected return type for function.");
return;
}
@ -3454,7 +3455,9 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
FunctionNode *function = alloc_node<FunctionNode>();
function->name = name;
function->return_type = return_type;
function->arguments = arguments;
function->argument_types = argument_types;
function->default_values = default_values;
function->_static = _static;
function->line = fnline;
@ -4174,8 +4177,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
rpc_mode = MultiplayerAPI::RPC_MODE_DISABLED;
if (tokenizer->get_token() == GDScriptTokenizer::TK_COLON) {
DataType vartype;
if (!_parse_type(vartype)) {
if (!_parse_type(member.data_type)) {
_set_error("Expected type for class variable.");
return;
}
@ -4341,8 +4343,7 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
tokenizer->advance();
if (tokenizer->get_token() == GDScriptTokenizer::TK_COLON) {
DataType consttype;
if (!_parse_type(consttype)) {
if (!_parse_type(constant.type)) {
_set_error("Expected type for class constant.");
return;
}
@ -4464,6 +4465,9 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
enum_dict[constant.identifier] = cn->value;
}
constant.type.has_type = true;
constant.type.kind = DataType::BUILTIN;
constant.type.builtin_type = Variant::INT;
p_class->constant_expressions.push_back(constant);
}
}
@ -4473,7 +4477,12 @@ void GDScriptParser::_parse_class(ClassNode *p_class) {
enum_constant.identifier = enum_name;
ConstantNode *cn = alloc_node<ConstantNode>();
cn->value = enum_dict;
cn->datatype.has_type = true;
cn->datatype.kind = DataType::BUILTIN;
cn->datatype.builtin_type = Variant::DICTIONARY;
p_class->constant_expressions.push_back(enum_constant);
enum_constant.expression = cn;
enum_constant.type = cn->datatype;
p_class->constant_expressions.push_back(enum_constant);
}
@ -4716,15 +4725,23 @@ bool GDScriptParser::_parse_type(DataType &r_type, bool p_can_be_void) {
r_type.has_type = true;
switch (tokenizer->get_token()) {
case GDScriptTokenizer::TK_IDENTIFIER: {
StringName id = tokenizer->get_token_identifier();
} break;
case GDScriptTokenizer::TK_BUILT_IN_TYPE: {
} break;
case GDScriptTokenizer::TK_PR_VOID: {
if (!p_can_be_void) {
return false;
}
r_type.kind = DataType::BUILTIN;
r_type.builtin_type = Variant::NIL;
} break;
case GDScriptTokenizer::TK_BUILT_IN_TYPE: {
r_type.kind = DataType::BUILTIN;
r_type.builtin_type = tokenizer->get_token_type();
} break;
case GDScriptTokenizer::TK_IDENTIFIER: {
StringName id = tokenizer->get_token_identifier();
if (ClassDB::class_exists(id)) {
r_type.kind = DataType::NATIVE;
r_type.native_type = id;
}
} break;
default: {
return false;

48
modules/gdscript/gdscript_parser.h
View File

@ -100,7 +100,7 @@ public:
Type type;
virtual DataType get_datatype() const { return DataType(); }
virtual void set_datatype(DataType p_datatype) {}
virtual void set_datatype(const DataType &p_datatype) {}
virtual ~Node() {}
};
@ -124,6 +124,7 @@ public:
Variant default_value;
#endif
StringName identifier;
DataType data_type;
StringName setter;
StringName getter;
int line;
@ -133,6 +134,7 @@ public:
struct Constant {
StringName identifier;
Node *expression;
DataType type;
};
struct Signal {
@ -166,10 +168,15 @@ public:
bool _static;
MultiplayerAPI::RPCMode rpc_mode;
StringName name;
DataType return_type;
Vector<StringName> arguments;
Vector<DataType> argument_types;
Vector<Node *> default_values;
BlockNode *body;
virtual DataType get_datatype() const { return return_type; }
virtual void set_datatype(const DataType &p_datatype) { return_type = p_datatype; }
FunctionNode() {
type = TYPE_FUNCTION;
_static = false;
@ -184,6 +191,7 @@ public:
Map<StringName, int> locals;
List<Node *> statements;
Vector<StringName> variables;
Vector<DataType> variable_types;
Vector<int> variable_lines;
Node *if_condition; //tiny hack to improve code completion on if () blocks
@ -203,6 +211,9 @@ public:
struct TypeNode : public Node {
Variant::Type vtype;
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
TypeNode() { type = TYPE_TYPE; }
};
struct BuiltInFunctionNode : public Node {
@ -213,6 +224,9 @@ public:
struct IdentifierNode : public Node {
StringName name;
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
IdentifierNode() { type = TYPE_IDENTIFIER; }
};
@ -220,6 +234,9 @@ public:
StringName name;
Node *assign;
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
LocalVarNode() {
type = TYPE_LOCAL_VAR;
assign = NULL;
@ -228,13 +245,24 @@ public:
struct ConstantNode : public Node {
Variant value;
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
ConstantNode() { type = TYPE_CONSTANT; }
};
struct ArrayNode : public Node {
Vector<Node *> elements;
ArrayNode() { type = TYPE_ARRAY; }
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
ArrayNode() {
type = TYPE_ARRAY;
datatype.has_type = true;
datatype.kind = DataType::BUILTIN;
datatype.builtin_type = Variant::ARRAY;
}
};
struct DictionaryNode : public Node {
@ -246,7 +274,15 @@ public:
};
Vector<Pair> elements;
DictionaryNode() { type = TYPE_DICTIONARY; }
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
DictionaryNode() {
type = TYPE_DICTIONARY;
datatype.has_type = true;
datatype.kind = DataType::BUILTIN;
datatype.builtin_type = Variant::DICTIONARY;
}
};
struct SelfNode : public Node {
@ -312,6 +348,9 @@ public:
Operator op;
Vector<Node *> arguments;
DataType datatype;
virtual DataType get_datatype() const { return datatype; }
virtual void set_datatype(const DataType &p_datatype) { datatype = p_datatype; }
OperatorNode() { type = TYPE_OPERATOR; }
};
@ -381,6 +420,9 @@ public:
struct CastNode : public Node {
Node *source_node;
DataType cast_type;
virtual DataType get_datatype() const { return cast_type; }
virtual void set_datatype(const DataType &p_datatype) { cast_type = p_datatype; }
CastNode() { type = TYPE_CAST; }
};