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285 | /**************************************************************************/
/* visual_script_expression.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#ifndef VISUAL_SCRIPT_EXPRESSION_H
#define VISUAL_SCRIPT_EXPRESSION_H
#include "visual_script.h"
#include "visual_script_builtin_funcs.h"
class VisualScriptExpression : public VisualScriptNode {
GDCLASS(VisualScriptExpression, VisualScriptNode);
friend class VisualScriptNodeInstanceExpression;
struct Input {
Variant::Type type;
String name;
Input() { type = Variant::NIL; }<--- Variable 'type' is assigned in constructor body. Consider performing initialization in initialization list. [+]When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'type' a value by passing the value to the constructor in the initialization list.
};
Vector<Input> inputs;
Variant::Type output_type;
String expression;
bool sequenced;
int str_ofs;
bool expression_dirty;
bool _compile_expression();
enum TokenType {
TK_CURLY_BRACKET_OPEN,
TK_CURLY_BRACKET_CLOSE,
TK_BRACKET_OPEN,
TK_BRACKET_CLOSE,
TK_PARENTHESIS_OPEN,
TK_PARENTHESIS_CLOSE,
TK_IDENTIFIER,
TK_BUILTIN_FUNC,
TK_SELF,
TK_CONSTANT,
TK_BASIC_TYPE,
TK_COLON,
TK_COMMA,
TK_PERIOD,
TK_OP_IN,
TK_OP_EQUAL,
TK_OP_NOT_EQUAL,
TK_OP_LESS,
TK_OP_LESS_EQUAL,
TK_OP_GREATER,
TK_OP_GREATER_EQUAL,
TK_OP_AND,
TK_OP_OR,
TK_OP_NOT,
TK_OP_ADD,
TK_OP_SUB,
TK_OP_MUL,
TK_OP_DIV,
TK_OP_MOD,
TK_OP_SHIFT_LEFT,
TK_OP_SHIFT_RIGHT,
TK_OP_BIT_AND,
TK_OP_BIT_OR,
TK_OP_BIT_XOR,
TK_OP_BIT_INVERT,
TK_EOF,
TK_ERROR,
TK_MAX
};
static const char *token_name[TK_MAX];
struct Token {
TokenType type;
Variant value;
};
void _set_error(const String &p_err) {
if (error_set) {
return;
}
error_str = p_err;
error_set = true;
}
Error _get_token(Token &r_token);
String error_str;
bool error_set;
struct ENode {
enum Type {
TYPE_INPUT,
TYPE_CONSTANT,
TYPE_SELF,
TYPE_OPERATOR,
TYPE_INDEX,
TYPE_NAMED_INDEX,
TYPE_ARRAY,
TYPE_DICTIONARY,
TYPE_CONSTRUCTOR,
TYPE_BUILTIN_FUNC,
TYPE_CALL
};
ENode *next;
Type type;
ENode() { next = nullptr; }<--- Member variable 'ENode::type' is not initialized in the constructor.
virtual ~ENode() {
if (next) {
memdelete(next);
}
}
};
struct Expression {
bool is_op;
union {
Variant::Operator op;
ENode *node;
};
};
ENode *_parse_expression();
struct InputNode : public ENode {
int index;
InputNode() {<--- Member variable 'InputNode::index' is not initialized in the constructor.
type = TYPE_INPUT;
}
};
struct ConstantNode : public ENode {
Variant value;
ConstantNode() {
type = TYPE_CONSTANT;
}
};
struct OperatorNode : public ENode {
Variant::Operator op;
ENode *nodes[2];
OperatorNode() {<--- Member variable 'OperatorNode::nodes' is not initialized in the constructor.
type = TYPE_OPERATOR;
}
};
struct SelfNode : public ENode {
SelfNode() {
type = TYPE_SELF;
}
};
struct IndexNode : public ENode {
ENode *base;
ENode *index;
IndexNode() {<--- Member variable 'IndexNode::base' is not initialized in the constructor.<--- Member variable 'IndexNode::index' is not initialized in the constructor.
type = TYPE_INDEX;
}
};
struct NamedIndexNode : public ENode {
ENode *base;
StringName name;
NamedIndexNode() {<--- Member variable 'NamedIndexNode::base' is not initialized in the constructor.
type = TYPE_NAMED_INDEX;
}
};
struct ConstructorNode : public ENode {
Variant::Type data_type;
Vector<ENode *> arguments;
ConstructorNode() {
type = TYPE_CONSTRUCTOR;
}
};
struct CallNode : public ENode {
ENode *base;
StringName method;
Vector<ENode *> arguments;
CallNode() {<--- Member variable 'CallNode::base' is not initialized in the constructor.
type = TYPE_CALL;
}
};
struct ArrayNode : public ENode {
Vector<ENode *> array;
ArrayNode() {
type = TYPE_ARRAY;
}
};
struct DictionaryNode : public ENode {
Vector<ENode *> dict;
DictionaryNode() {
type = TYPE_DICTIONARY;
}
};
struct BuiltinFuncNode : public ENode {
VisualScriptBuiltinFunc::BuiltinFunc func;
Vector<ENode *> arguments;
BuiltinFuncNode() {<--- Member variable 'BuiltinFuncNode::func' is not initialized in the constructor.
type = TYPE_BUILTIN_FUNC;
}
};
template <class T>
T *alloc_node() {
T *node = memnew(T);
node->next = nodes;
nodes = node;
return node;
}
ENode *root;
ENode *nodes;
protected:
bool _set(const StringName &p_name, const Variant &p_value);
bool _get(const StringName &p_name, Variant &r_ret) const;
void _get_property_list(List<PropertyInfo> *p_list) const;
public:
virtual int get_output_sequence_port_count() const;<--- Function in derived class
virtual bool has_input_sequence_port() const;<--- Function in derived class
virtual String get_output_sequence_port_text(int p_port) const;<--- Function in derived class
virtual int get_input_value_port_count() const;<--- Function in derived class
virtual int get_output_value_port_count() const;<--- Function in derived class
virtual PropertyInfo get_input_value_port_info(int p_idx) const;<--- Function in derived class
virtual PropertyInfo get_output_value_port_info(int p_idx) const;<--- Function in derived class
virtual String get_caption() const;<--- Function in derived class
virtual String get_text() const;<--- Function in derived class
virtual String get_category() const { return "operators"; }<--- Function in derived class
virtual VisualScriptNodeInstance *instance(VisualScriptInstance *p_instance);<--- Function in derived class
VisualScriptExpression();
~VisualScriptExpression();
};
void register_visual_script_expression_node();
#endif // VISUAL_SCRIPT_EXPRESSION_H
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