1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/**************************************************************************/
/* gdscript_analyzer.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 GDSCRIPT_ANALYZER_H
#define GDSCRIPT_ANALYZER_H
#include "core/object/object.h"
#include "core/object/ref_counted.h"
#include "core/templates/hash_set.h"
#include "gdscript_cache.h"
#include "gdscript_parser.h"
class GDScriptAnalyzer {
GDScriptParser *parser = nullptr;
HashMap<String, Ref<GDScriptParserRef>> depended_parsers;
const GDScriptParser::EnumNode *current_enum = nullptr;
List<GDScriptParser::LambdaNode *> lambda_stack;
// Tests for detecting invalid overloading of script members
static _FORCE_INLINE_ bool has_member_name_conflict_in_script_class(const StringName &p_name, const GDScriptParser::ClassNode *p_current_class_node, const GDScriptParser::Node *p_member);
static _FORCE_INLINE_ bool has_member_name_conflict_in_native_type(const StringName &p_name, const StringName &p_native_type_string);
Error check_native_member_name_conflict(const StringName &p_member_name, const GDScriptParser::Node *p_member_node, const StringName &p_native_type_string);
Error check_class_member_name_conflict(const GDScriptParser::ClassNode *p_class_node, const StringName &p_member_name, const GDScriptParser::Node *p_member_node);
void get_class_node_current_scope_classes(GDScriptParser::ClassNode *p_node, List<GDScriptParser::ClassNode *> *p_list);
Error resolve_class_inheritance(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source = nullptr);
Error resolve_class_inheritance(GDScriptParser::ClassNode *p_class, bool p_recursive);
GDScriptParser::DataType resolve_datatype(GDScriptParser::TypeNode *p_type);
void decide_suite_type(GDScriptParser::Node *p_suite, GDScriptParser::Node *p_statement);
void resolve_annotation(GDScriptParser::AnnotationNode *p_annotation);
void resolve_class_member(GDScriptParser::ClassNode *p_class, StringName p_name, const GDScriptParser::Node *p_source = nullptr);
void resolve_class_member(GDScriptParser::ClassNode *p_class, int p_index, const GDScriptParser::Node *p_source = nullptr);
void resolve_class_interface(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source = nullptr);
void resolve_class_interface(GDScriptParser::ClassNode *p_class, bool p_recursive);
void resolve_class_body(GDScriptParser::ClassNode *p_class, const GDScriptParser::Node *p_source = nullptr);
void resolve_class_body(GDScriptParser::ClassNode *p_class, bool p_recursive);
void resolve_function_signature(GDScriptParser::FunctionNode *p_function, const GDScriptParser::Node *p_source = nullptr, bool p_is_lambda = false);
void resolve_function_body(GDScriptParser::FunctionNode *p_function, bool p_is_lambda = false);
void resolve_node(GDScriptParser::Node *p_node, bool p_is_root = true);
void resolve_suite(GDScriptParser::SuiteNode *p_suite);
void resolve_assignable(GDScriptParser::AssignableNode *p_assignable, const char *p_kind);
void resolve_variable(GDScriptParser::VariableNode *p_variable, bool p_is_local);
void resolve_constant(GDScriptParser::ConstantNode *p_constant, bool p_is_local);
void resolve_parameter(GDScriptParser::ParameterNode *p_parameter);
void resolve_if(GDScriptParser::IfNode *p_if);
void resolve_for(GDScriptParser::ForNode *p_for);
void resolve_while(GDScriptParser::WhileNode *p_while);
void resolve_assert(GDScriptParser::AssertNode *p_assert);
void resolve_match(GDScriptParser::MatchNode *p_match);
void resolve_match_branch(GDScriptParser::MatchBranchNode *p_match_branch, GDScriptParser::ExpressionNode *p_match_test);
void resolve_match_pattern(GDScriptParser::PatternNode *p_match_pattern, GDScriptParser::ExpressionNode *p_match_test);
void resolve_return(GDScriptParser::ReturnNode *p_return);
// Reduction functions.
void reduce_expression(GDScriptParser::ExpressionNode *p_expression, bool p_is_root = false);
void reduce_array(GDScriptParser::ArrayNode *p_array);
void reduce_assignment(GDScriptParser::AssignmentNode *p_assignment);
void reduce_await(GDScriptParser::AwaitNode *p_await);
void reduce_binary_op(GDScriptParser::BinaryOpNode *p_binary_op);
void reduce_call(GDScriptParser::CallNode *p_call, bool p_is_await = false, bool p_is_root = false);
void reduce_cast(GDScriptParser::CastNode *p_cast);
void reduce_dictionary(GDScriptParser::DictionaryNode *p_dictionary);
void reduce_get_node(GDScriptParser::GetNodeNode *p_get_node);
void reduce_identifier(GDScriptParser::IdentifierNode *p_identifier, bool can_be_builtin = false);
void reduce_identifier_from_base(GDScriptParser::IdentifierNode *p_identifier, GDScriptParser::DataType *p_base = nullptr);
void reduce_lambda(GDScriptParser::LambdaNode *p_lambda);
void reduce_literal(GDScriptParser::LiteralNode *p_literal);
void reduce_preload(GDScriptParser::PreloadNode *p_preload);
void reduce_self(GDScriptParser::SelfNode *p_self);
void reduce_subscript(GDScriptParser::SubscriptNode *p_subscript, bool p_can_be_pseudo_type = false);
void reduce_ternary_op(GDScriptParser::TernaryOpNode *p_ternary_op, bool p_is_root = false);
void reduce_type_test(GDScriptParser::TypeTestNode *p_type_test);
void reduce_unary_op(GDScriptParser::UnaryOpNode *p_unary_op);
Variant make_expression_reduced_value(GDScriptParser::ExpressionNode *p_expression, bool &is_reduced);
Variant make_array_reduced_value(GDScriptParser::ArrayNode *p_array, bool &is_reduced);
Variant make_dictionary_reduced_value(GDScriptParser::DictionaryNode *p_dictionary, bool &is_reduced);
Variant make_subscript_reduced_value(GDScriptParser::SubscriptNode *p_subscript, bool &is_reduced);
// Helpers.
Array make_array_from_element_datatype(const GDScriptParser::DataType &p_element_datatype, const GDScriptParser::Node *p_source_node = nullptr);
GDScriptParser::DataType type_from_variant(const Variant &p_value, const GDScriptParser::Node *p_source);
static GDScriptParser::DataType type_from_metatype(const GDScriptParser::DataType &p_meta_type);
GDScriptParser::DataType type_from_property(const PropertyInfo &p_property, bool p_is_arg = false, bool p_is_readonly = false) const;
GDScriptParser::DataType make_global_class_meta_type(const StringName &p_class_name, const GDScriptParser::Node *p_source);
bool get_function_signature(GDScriptParser::Node *p_source, bool p_is_constructor, GDScriptParser::DataType base_type, const StringName &p_function, GDScriptParser::DataType &r_return_type, List<GDScriptParser::DataType> &r_par_types, int &r_default_arg_count, bool &r_static, bool &r_vararg, StringName *r_native_class = nullptr);
bool function_signature_from_info(const MethodInfo &p_info, GDScriptParser::DataType &r_return_type, List<GDScriptParser::DataType> &r_par_types, int &r_default_arg_count, bool &r_static, bool &r_vararg);
void validate_call_arg(const List<GDScriptParser::DataType> &p_par_types, int p_default_args_count, bool p_is_vararg, const GDScriptParser::CallNode *p_call);
void validate_call_arg(const MethodInfo &p_method, const GDScriptParser::CallNode *p_call);
GDScriptParser::DataType get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, const GDScriptParser::DataType &p_b, bool &r_valid, const GDScriptParser::Node *p_source);
GDScriptParser::DataType get_operation_type(Variant::Operator p_operation, const GDScriptParser::DataType &p_a, bool &r_valid, const GDScriptParser::Node *p_source);
void update_const_expression_builtin_type(GDScriptParser::ExpressionNode *p_expression, const GDScriptParser::DataType &p_type, const char *p_usage, bool p_is_cast = false);
void update_array_literal_element_type(GDScriptParser::ArrayNode *p_array, const GDScriptParser::DataType &p_element_type);
bool is_type_compatible(const GDScriptParser::DataType &p_target, const GDScriptParser::DataType &p_source, bool p_allow_implicit_conversion = false, const GDScriptParser::Node *p_source_node = nullptr);
void push_error(const String &p_message, const GDScriptParser::Node *p_origin = nullptr);
void mark_node_unsafe(const GDScriptParser::Node *p_node);
void downgrade_node_type_source(GDScriptParser::Node *p_node);
void mark_lambda_use_self();
bool class_exists(const StringName &p_class) const;
Ref<GDScriptParserRef> get_parser_for(const String &p_path);
void reduce_identifier_from_base_set_class(GDScriptParser::IdentifierNode *p_identifier, GDScriptParser::DataType p_identifier_datatype);
#ifdef DEBUG_ENABLED
bool is_shadowing(GDScriptParser::IdentifierNode *p_local, const String &p_context);
#endif
public:
Error resolve_inheritance();
Error resolve_interface();
Error resolve_body();
Error resolve_dependencies();
Error analyze();
Variant make_variable_default_value(GDScriptParser::VariableNode *p_variable);
GDScriptAnalyzer(GDScriptParser *p_parser);
};
#endif // GDSCRIPT_ANALYZER_H
|