GCC Code Coverage Report


Directory: ../
Coverage: low: ≥ 0% medium: ≥ 75.0% high: ≥ 90.0%
Coverage Exec / Excl / Total
Lines: 100.0% 6 / 0 / 6
Functions: -% 0 / 0 / 0
Branches: 38.7% 101 / 0 / 261

src/symboltablebuilder/Scope.h
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1 // Copyright (c) 2021-2026 ChilliBits. All rights reserved.
2
3 #pragma once
4
5 #include <map>
6 #include <memory>
7 #include <sstream>
8 #include <string>
9 #include <vector>
10
11 #include <model/Function.h>
12 #include <model/Interface.h>
13 #include <model/Struct.h>
14 #include <model/Union.h>
15 #include <symboltablebuilder/SymbolTable.h>
16 #include <util/GlobalDefinitions.h>
17
18 namespace spice::compiler {
19
20 // Forward declarations
21 class FctDefNode;
22 class ProcDefNode;
23 class SourceFile;
24 class SymbolTableEntry;
25 class GenericType;
26 class CompilerWarning;
27 class Function;
28 class Struct;
29 class ASTNode;
30 using FunctionManifestationList = std::map</*mangledName=*/std::string, Function>;
31 using FunctionRegistry = std::map</*fctId=*/std::string, /*manifestationList=*/FunctionManifestationList>;
32 using StructManifestationList = std::map</*mangledName=*/std::string, Struct>;
33 using StructRegistry = std::map</*structId=*/std::string, /*manifestationList=*/StructManifestationList>;
34 using InterfaceManifestationList = std::map</*mangledName=*/std::string, Interface>;
35 using InterfaceRegistry = std::map<CodeLoc, InterfaceManifestationList>;
36 using UnionManifestationList = std::map</*mangledName=*/std::string, Union>;
37 using UnionRegistry = std::map</*unionId=*/std::string, /*manifestationList=*/UnionManifestationList>;
38
39 enum class ScopeType : uint8_t {
40 GLOBAL,
41 FUNC_PROC_BODY,
42 LAMBDA_BODY,
43 STRUCT,
44 INTERFACE,
45 UNION,
46 ENUM,
47 IF_ELSE_BODY,
48 WHILE_BODY,
49 FOR_BODY,
50 FOREACH_BODY,
51 CASE_BODY,
52 DEFAULT_BODY,
53 UNSAFE_BODY,
54 ANONYMOUS_BLOCK_BODY,
55 EXPR_BODY
56 };
57
58 /**
59 * Represents an enclosed group of instructions, which are semantically separated from other scopes.
60 * In the source code, scopes usually are written as curly braces.
61 *
62 * Following language structures use scopes:
63 * - global scope
64 * - functions/procedures
65 * - structs
66 * - enums
67 * - interfaces
68 * - thread blocks
69 * - unsafe blocks
70 * - for loops
71 * - foreach loops
72 * - while loops
73 * - if statements
74 * - anonymous scopes
75 * - conditions, and expressions that are only evaluated conditionally (e.g. the right side of '&&' and '||')
76 */
77 class Scope {
78 public:
79 // Constructors
80 Scope(Scope *parent, SourceFile *sourceFile, ScopeType scopeType, const CodeLoc *codeLoc);
81
82 // Friend classes
83 friend class FunctionManager;
84 friend class StructManager;
85 friend class InterfaceManager;
86 friend class UnionManager;
87
88 // Public methods
89 // Scope management
90 Scope *createChildScope(const std::string &scopeName, ScopeType scopeType, const CodeLoc *declCodeLoc);
91 void renameChildScope(const std::string &oldName, const std::string &newName);
92 Scope *copyChildScope(const std::string &oldName, const std::string &newName);
93 std::shared_ptr<Scope> deepCopyScope();
94 [[nodiscard]] Scope *getChildScope(const std::string &scopeName) const;
95 [[nodiscard]] std::vector<SymbolTableEntry *> getVarsGoingOutOfScope();
96
97 // Generic types
98 void insertGenericType(const std::string &typeName, const GenericType &genericType);
99 GenericType *lookupGenericTypeStrict(const std::string &typeName);
100
101 // Util
102 void collectWarnings(std::vector<CompilerWarning> &warnings) const;
103 void ensureSuccessfulTypeInference() const;
104 [[nodiscard]] size_t getFieldCount() const;
105 [[nodiscard]] std::vector<const Function *> getVirtualMethods();
106 [[nodiscard]] std::vector<Struct *> getAllStructManifestationsInDeclarationOrder();
107 [[nodiscard]] std::vector<Union *> getAllUnionManifestationsInDeclarationOrder();
108 void collectManifestationFingerprint(std::stringstream &fingerprint) const;
109 [[nodiscard]] unsigned int getLoopNestingDepth() const;
110 [[nodiscard]] Scope *getFunctionScope();
111 [[nodiscard]] bool isInCaseBranch() const;
112 [[nodiscard]] bool isInAsyncScope() const;
113 [[nodiscard]] bool doesAllowUnsafeOperations() const;
114 [[nodiscard]] bool isImportedBy(const Scope *askingScope) const;
115 [[nodiscard]] nlohmann::json getSymbolTableJSON() const;
116 837278 [[nodiscard]] ALWAYS_INLINE bool isRootScope() const { return parent == nullptr; }
117
118 // Wrapper methods for symbol table
119 ALWAYS_INLINE SymbolTableEntry *insert(const std::string &name, ASTNode *declNode) {
120
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539082 return symbolTable.insert(name, declNode);
121 }
122
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1052572 ALWAYS_INLINE SymbolTableEntry *lookup(const std::string &symbolName) { return symbolTable.lookup(symbolName); }
123
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1522451 ALWAYS_INLINE SymbolTableEntry *lookupStrict(const std::string &symbolName) { return symbolTable.lookupStrict(symbolName); }
124 ALWAYS_INLINE SymbolTableEntry *lookupField(unsigned int n) {
125
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940479 assert(type == ScopeType::STRUCT || type == ScopeType::UNION);
126
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940479 return symbolTable.lookupStrictByIndex(n);
127 }
128
129 // Public members
130 Scope *parent;
131 SourceFile *sourceFile;
132 std::map<std::string, std::shared_ptr<Scope>> children;
133 SymbolTable symbolTable = SymbolTable(parent == nullptr ? nullptr : &parent->symbolTable, this);
134 const CodeLoc *codeLoc = nullptr;
135 const ScopeType type;
136 bool isGenericScope = false;
137 bool isAsyncScope = false;
138 bool isDtorScope = false;
139 // Only for expression scopes: dtor calls for the temporaries of the expression, in the order they are to be generated
140 std::vector<std::pair<SymbolTableEntry *, Function *>> temporaryDtorsToCall;
141
142 private:
143 // Private members
144 FunctionRegistry functions;
145 StructRegistry structs;
146 InterfaceRegistry interfaces;
147 UnionRegistry unions;
148 std::map<std::string, GenericType> genericTypes;
149 };
150
151 } // namespace spice::compiler
152