src/typechecker/OpRuleManager.cpp
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| 1 | // Copyright (c) 2021-2026 ChilliBits. All rights reserved. | ||
| 2 | |||
| 3 | #include "OpRuleManager.h" | ||
| 4 | |||
| 5 | #include <SourceFile.h> | ||
| 6 | #include <ast/ASTNodes.h> | ||
| 7 | #include <global/GlobalResourceManager.h> | ||
| 8 | #include <symboltablebuilder/Scope.h> | ||
| 9 | #include <typechecker/FunctionManager.h> | ||
| 10 | #include <typechecker/MacroDefs.h> | ||
| 11 | #include <typechecker/TypeChecker.h> | ||
| 12 | |||
| 13 | namespace spice::compiler { | ||
| 14 | |||
| 15 | 10076 | OpRuleManager::OpRuleManager(TypeChecker *typeChecker) | |
| 16 | 10076 | : typeChecker(typeChecker), resourceManager(typeChecker->resourceManager) {} | |
| 17 | |||
| 18 | 80536 | std::pair<QualType, Function *> OpRuleManager::getAssignResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 19 | bool isDecl, bool isReturn, const char *errMsgPrefix) const { | ||
| 20 | // Retrieve types | ||
| 21 | 80536 | const QualType lhsType = lhs.type; | |
| 22 | 80536 | const QualType rhsType = rhs.type; | |
| 23 | |||
| 24 | // Check if lhs is a temporary | ||
| 25 |
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80536 | if (lhs.isTemporary()) |
| 26 |
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3 | throw SemanticError(node, OPERATOR_WRONG_DATA_TYPE, "Cannot assign to a temporary value"); |
| 27 | |||
| 28 | // Skip type compatibility check if the lhs is of type dyn -> perform type inference | ||
| 29 |
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80535 | if (lhsType.is(TY_DYN)) |
| 30 | 590 | return {rhsType, nullptr}; | |
| 31 | |||
| 32 | // Check if we try to assign a constant value | ||
| 33 |
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79945 | ensureNoConstAssign(node, lhsType, isDecl, isReturn); |
| 34 | |||
| 35 | // Allow pointers and references of the same type straight away | ||
| 36 |
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79945 | if (lhsType.isOneOf({TY_PTR, TY_REF}) && lhsType.matches(rhsType, false, false, true)) { |
| 37 | // If we perform a heap x* = heap x* assignment, we need set the right hand side to MOVED | ||
| 38 |
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12646 | if (rhs.entry && lhsType.isPtr() && lhsType.isHeap() && rhsType.removeReferenceWrapper().isPtr() && rhsType.isHeap()) |
| 39 |
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1263 | rhs.entry->updateState(MOVED, node); |
| 40 | 12646 | return {rhsType, nullptr}; | |
| 41 | } | ||
| 42 | // Allow ref type to type of the same contained type straight away | ||
| 43 |
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67299 | if (rhsType.isRef()) { |
| 44 | // If this is const ref, remove both: the reference and the constness | ||
| 45 |
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1967 | const QualType rhsNonRef = rhsType.getContained().toNonConst(); |
| 46 |
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1967 | if (lhsType.matches(rhsNonRef, false, false, true)) { |
| 47 |
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1965 | if (rhsNonRef.is(TY_STRUCT)) |
| 48 |
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1965 | return performStructAssign(node, lhs, rhs, rhsNonRef, isDecl, isReturn); |
| 49 | 1021 | return {lhsType, nullptr}; | |
| 50 | } | ||
| 51 | } | ||
| 52 | // Allow arrays, structs, interfaces, functions, procedures of the same type straight away | ||
| 53 |
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65334 | if (lhsType.isOneOf({TY_ARRAY, TY_INTERFACE, TY_FUNCTION, TY_PROCEDURE}) && lhsType.matches(rhsType, false, true, true)) |
| 54 | 352 | return {rhsType, nullptr}; | |
| 55 | // Allow struct of the same type straight away | ||
| 56 |
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64982 | if (lhsType.is(TY_STRUCT) && lhsType.matches(rhsType, false, true, true)) |
| 57 |
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12682 | return performStructAssign(node, lhs, rhs, rhsType, isDecl, isReturn); |
| 58 | // Allow assignment through an already-bound reference to a struct. Unlike binding a reference (declaration/return, | ||
| 59 | // which pass isDecl/isReturn and fall through to the common rules below), an assign-through must run the struct's | ||
| 60 | // copy-assignment operator / copy ctor on the referenced value instead of rebinding or shallow-copying it. Otherwise | ||
| 61 | // the referent would alias the rhs' owned members (heap buffers) and double-free once one of them is destructed. | ||
| 62 |
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28921 | if (!isDecl && !isReturn && lhsType.isRef() && lhsType.getContained().is(TY_STRUCT) && lhs.entry != nullptr && |
| 63 |
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81221 | lhs.entry->isInitialized() && lhsType.getContained().matches(rhsType.removeReferenceWrapper(), false, true, true)) |
| 64 |
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7 | return performStructAssign(node, lhs, rhs, lhsType.getContained(), isDecl, isReturn); |
| 65 | |||
| 66 | // Check common type combinations | ||
| 67 |
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52293 | const QualType resultType = getAssignResultTypeCommon(node, lhs, rhs, isDecl, isReturn); |
| 68 |
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52291 | if (!resultType.is(TY_INVALID)) |
| 69 | 2863 | return {resultType, nullptr}; | |
| 70 | |||
| 71 | // Check primitive type combinations | ||
| 72 | 49428 | const QualType binOpType = | |
| 73 |
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49428 | validateBinaryOperation(node, ASSIGN_OP_RULES, std::size(ASSIGN_OP_RULES), "=", lhsType, rhsType, true, errMsgPrefix); |
| 74 | 49415 | return {binOpType, nullptr}; | |
| 75 | } | ||
| 76 | |||
| 77 | 1756 | std::pair<QualType, Function *> OpRuleManager::getFieldAssignResultType(ASTNode *node, const ExprResult &lhs, | |
| 78 | const ExprResult &rhs, bool imm, bool isDecl) const { | ||
| 79 | // Retrieve types | ||
| 80 | 1756 | const QualType lhsType = lhs.type; | |
| 81 | 1756 | const QualType rhsType = rhs.type; | |
| 82 |
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1756 | assert(!lhsType.is(TY_DYN)); |
| 83 | |||
| 84 | // Check if we try to assign a constant value | ||
| 85 |
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1756 | ensureNoConstAssign(node, lhsType, isDecl); |
| 86 | |||
| 87 | // Allow pointers, arrays and structs of the same type straight away | ||
| 88 |
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1756 | if (lhsType.isOneOf({TY_PTR, TY_ARRAY}) && lhsType == rhsType) { |
| 89 | // If we perform a heap x* = heap x* assignment, we need set the right hand side to MOVED | ||
| 90 |
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1112 | if (rhs.entry && lhsType.isPtr() && lhsType.isHeap() && rhsType.removeReferenceWrapper().isPtr() && rhsType.isHeap()) |
| 91 | ✗ | rhs.entry->updateState(MOVED, node); | |
| 92 | 1112 | return {rhsType, nullptr}; | |
| 93 | } | ||
| 94 | // Allow struct of the same type straight away | ||
| 95 |
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644 | if (lhsType.is(TY_STRUCT) && lhsType.matches(rhsType, false, true, true)) |
| 96 |
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43 | return performStructAssign(node, lhs, rhs, rhsType, isDecl, false); |
| 97 | // Allow ref type to type of the same contained type straight away | ||
| 98 |
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601 | if (rhsType.isRef() && lhsType.matches(rhsType.getContained(), false, false, true)) { |
| 99 | // Check is there is an overloaded operator function available | ||
| 100 |
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1 | const auto [type, _] = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_ASSIGN, {lhs, rhs}, 0); |
| 101 |
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1 | if (!type.is(TY_INVALID)) |
| 102 | ✗ | return {type, nullptr}; | |
| 103 | |||
| 104 | // In case of a return expression, we perform temp stealing | ||
| 105 | 1 | Function *copyCtor = nullptr; | |
| 106 |
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1 | if (rhsType.getContained().is(TY_STRUCT) && !rhs.isTemporary()) |
| 107 | ✗ | copyCtor = typeChecker->implicitlyCallStructCopyCtor(rhs.entry, rhs.entry->declNode); | |
| 108 | 1 | return {lhsType, copyCtor}; | |
| 109 | } | ||
| 110 | // Allow ref type to type of the same contained type straight away | ||
| 111 |
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600 | if (rhsType.isRef()) { |
| 112 | // If this is const ref, remove both: the reference and the constness | ||
| 113 |
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74 | const QualType rhsNonRef = rhsType.getContained().toNonConst(); |
| 114 |
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74 | if (lhsType.matches(rhsNonRef, false, false, true)) |
| 115 |
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74 | return performStructAssign(node, lhs, rhs, rhsNonRef, isDecl, false); |
| 116 | } | ||
| 117 | // Allow immediate value to const ref of the same contained type straight away | ||
| 118 |
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526 | if (lhsType.isConstRef() && imm) |
| 119 | 1 | return {rhsType, nullptr}; | |
| 120 | |||
| 121 | // Check common type combinations | ||
| 122 |
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525 | const QualType resultType = getAssignResultTypeCommon(node, lhs, rhs, isDecl, false); |
| 123 |
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525 | if (!resultType.is(TY_INVALID)) |
| 124 | 4 | return {resultType, nullptr}; | |
| 125 | |||
| 126 | // Check primitive type combinations | ||
| 127 | 521 | const QualType binOpType = | |
| 128 |
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521 | validateBinaryOperation(node, ASSIGN_OP_RULES, std::size(ASSIGN_OP_RULES), "=", lhsType, rhsType, true, ERROR_FIELD_ASSIGN); |
| 129 | 520 | return {binOpType, nullptr}; | |
| 130 | } | ||
| 131 | |||
| 132 | 52818 | QualType OpRuleManager::getAssignResultTypeCommon(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, bool isDecl, | |
| 133 | bool isReturn) { | ||
| 134 | // Retrieve types | ||
| 135 | 52818 | const QualType lhsType = lhs.type; | |
| 136 | 52818 | const QualType rhsType = rhs.type; | |
| 137 | |||
| 138 | // Allow type to ref type of the same contained type straight away | ||
| 139 |
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52818 | if (lhsType.isRef() && lhsType.getContained().matches(rhsType, false, false, true)) { |
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2127 | const bool isDeclOrReturn = isDecl || isReturn; |
| 141 |
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2127 | if (isDeclOrReturn && !lhsType.canBind(rhsType, rhs.isTemporary())) |
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3 | throw SemanticError(node, TEMP_TO_NON_CONST_REF, "Temporary values can only be bound to const reference variables/fields"); |
| 143 |
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2126 | if (isReturn && rhs.isTemporary()) |
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3 | throw SemanticError(node, RETURN_OF_TEMPORARY_VALUE, "Cannot return reference to temporary value"); |
| 145 | 2125 | return lhsType; | |
| 146 | } | ||
| 147 | // Allow char* = string | ||
| 148 |
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50691 | if (lhsType.isPtrTo(TY_CHAR) && rhsType.is(TY_STRING) && lhsType.getQualifiers() == rhsType.getQualifiers()) |
| 149 | 1 | return lhsType; | |
| 150 | // Allow array to pointer | ||
| 151 |
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50690 | if (lhsType.isPtr() && rhsType.isArray() && lhsType.getContained().matches(rhsType.getContained(), false, false, true)) |
| 152 | 7 | return lhsType; | |
| 153 | // Allow interface* = struct* or interface& = struct that implements this interface | ||
| 154 |
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50683 | const bool sameChainDepth = Type::hasSameTypeChainDepth(lhsType.getType(), rhsType.getType()); |
| 155 |
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50683 | const bool typesCompatible = (lhsType.isPtr() && rhsType.isPtr() && sameChainDepth) || lhsType.isRef(); |
| 156 |
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50683 | if (typesCompatible && lhsType.isBase(TY_INTERFACE) && rhsType.isBase(TY_STRUCT)) { |
| 157 | 56 | QualType lhsTypeCopy = lhsType; | |
| 158 | 56 | QualType rhsTypeCopy = rhsType; | |
| 159 |
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56 | QualType::unwrapBothWithRefWrappers(lhsTypeCopy, rhsTypeCopy); |
| 160 |
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56 | if (lhsTypeCopy.matchesInterfaceImplementedByStruct(rhsTypeCopy)) |
| 161 | 56 | return lhsType; | |
| 162 | } | ||
| 163 | // Allow type* = heap type* straight away. This is used for initializing non-owning pointers to heap allocations | ||
| 164 |
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|
50627 | if (lhsType.isPtr() && rhsType.isHeap() && lhsType.matches(rhsType, false, true, true)) { |
| 165 | 678 | TypeQualifiers rhsQualifiers = rhsType.getQualifiers(); | |
| 166 | 678 | rhsQualifiers.isHeap = false; | |
| 167 |
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678 | if (lhsType.getQualifiers() == rhsQualifiers) |
| 168 | 678 | return lhsType; | |
| 169 | } | ||
| 170 | |||
| 171 | // Nothing matched | ||
| 172 |
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49949 | return QualType(TY_INVALID); |
| 173 | } | ||
| 174 | |||
| 175 | 13750 | std::pair<QualType, Function *> OpRuleManager::performStructAssign(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 176 | const QualType &rhsType, bool isDecl, bool isReturn) const { | ||
| 177 | 13750 | const bool rhsIsRef = rhs.type.isRef(); | |
| 178 | |||
| 179 | // Check is there is an overloaded operator function available | ||
| 180 |
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13750 | if (!isDecl && !isReturn && lhs.entry->isInitialized()) { |
| 181 |
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538 | const auto [type, _] = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_ASSIGN, {lhs, rhs}, 0); |
| 182 |
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538 | if (!type.is(TY_INVALID)) |
| 183 | 397 | return {type, nullptr}; | |
| 184 | } | ||
| 185 | |||
| 186 | // If temp stealing is possible, delete any rhs anonymous entry | ||
| 187 |
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13353 | if (!rhsIsRef && rhs.isTemporary()) { |
| 188 |
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11741 | if (rhs.entry != nullptr && rhs.entry->anonymous) |
| 189 | 7973 | typeChecker->currentScope->symbolTable.deleteAnonymous(rhs.entry->name); | |
| 190 | 11741 | return {rhsType, nullptr}; | |
| 191 | } | ||
| 192 | |||
| 193 | // If RVO is possible, cancel here | ||
| 194 |
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1612 | if (!rhsIsRef && isReturn && !rhs.isTemporary()) |
| 195 | 418 | return {rhsType, nullptr}; | |
| 196 | |||
| 197 | // => We have to copy | ||
| 198 | // If struct, try to call copy ctor | ||
| 199 |
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1194 | if (rhsType.is(TY_STRUCT)) |
| 200 |
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1145 | return {rhsType, typeChecker->implicitlyCallStructCopyCtor(rhsType, node)}; |
| 201 | |||
| 202 | // Perform shallow copy | ||
| 203 | 49 | return {rhsType, nullptr}; | |
| 204 | } | ||
| 205 | |||
| 206 | 1177 | ExprResult OpRuleManager::getPlusEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 207 | // Check is there is an overloaded operator function available | ||
| 208 |
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1177 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_PLUS_EQUAL, {lhs, rhs}, 0); |
| 209 |
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1177 | if (!resultType.type.is(TY_INVALID)) |
| 210 | 416 | return resultType; | |
| 211 | |||
| 212 | // Check if we try to assign a constant value | ||
| 213 |
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761 | ensureNoConstAssign(node, lhs.type); |
| 214 | |||
| 215 | // Remove reference wrappers | ||
| 216 |
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761 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 217 |
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761 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 218 | |||
| 219 | // Check if this is an unsafe operation | ||
| 220 |
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761 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 221 |
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166 | ensureUnsafeAllowed(node, "+=", lhsType, rhsType); |
| 222 | 166 | return lhs; | |
| 223 | } | ||
| 224 | |||
| 225 |
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595 | return {validateBinaryOperation(node, PLUS_EQUAL_OP_RULES, std::size(PLUS_EQUAL_OP_RULES), "+=", lhsType, rhsType)}; |
| 226 | } | ||
| 227 | |||
| 228 | 81 | ExprResult OpRuleManager::getMinusEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 229 | // Check is there is an overloaded operator function available | ||
| 230 |
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81 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MINUS_EQUAL, {lhs, rhs}, 0); |
| 231 |
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81 | if (!resultType.type.is(TY_INVALID)) |
| 232 | 7 | return resultType; | |
| 233 | |||
| 234 | // Check if we try to assign a constant value | ||
| 235 |
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74 | ensureNoConstAssign(node, lhs.type); |
| 236 | |||
| 237 | // Remove reference wrappers | ||
| 238 |
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74 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 239 |
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74 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 240 | |||
| 241 | // Check if this is an unsafe operation | ||
| 242 |
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74 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 243 |
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5 | ensureUnsafeAllowed(node, "-=", lhsType, rhsType); |
| 244 | 5 | return lhs; | |
| 245 | } | ||
| 246 | |||
| 247 |
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69 | return {validateBinaryOperation(node, MINUS_EQUAL_OP_RULES, std::size(MINUS_EQUAL_OP_RULES), "-=", lhsType, rhsType)}; |
| 248 | } | ||
| 249 | |||
| 250 | 176 | ExprResult OpRuleManager::getMulEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 251 | // Check is there is an overloaded operator function available | ||
| 252 |
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176 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MUL_EQUAL, {lhs, rhs}, 0); |
| 253 |
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176 | if (!resultType.type.is(TY_INVALID)) |
| 254 | 2 | return resultType; | |
| 255 | |||
| 256 | // Check if we try to assign a constant value | ||
| 257 |
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174 | ensureNoConstAssign(node, lhs.type); |
| 258 | |||
| 259 | // Remove reference wrappers | ||
| 260 |
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174 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 261 |
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174 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 262 | |||
| 263 |
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174 | return {validateBinaryOperation(node, MUL_EQUAL_OP_RULES, std::size(MUL_EQUAL_OP_RULES), "*=", lhsType, rhsType)}; |
| 264 | } | ||
| 265 | |||
| 266 | 104 | ExprResult OpRuleManager::getDivEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 267 | // Check is there is an overloaded operator function available | ||
| 268 |
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104 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_DIV_EQUAL, {lhs, rhs}, 0); |
| 269 |
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104 | if (!resultType.type.is(TY_INVALID)) |
| 270 | 62 | return resultType; | |
| 271 | |||
| 272 | // Check if we try to assign a constant value | ||
| 273 |
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42 | ensureNoConstAssign(node, lhs.type); |
| 274 | |||
| 275 | // Remove reference wrappers | ||
| 276 |
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42 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 277 |
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42 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 278 | |||
| 279 |
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42 | return {validateBinaryOperation(node, DIV_EQUAL_OP_RULES, std::size(DIV_EQUAL_OP_RULES), "/=", lhsType, rhsType)}; |
| 280 | } | ||
| 281 | |||
| 282 | 41 | QualType OpRuleManager::getRemEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 283 | // Check if we try to assign a constant value | ||
| 284 |
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41 | ensureNoConstAssign(node, lhs.type); |
| 285 | |||
| 286 | // Remove reference wrappers | ||
| 287 |
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41 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 288 |
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41 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 289 | |||
| 290 |
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82 | return validateBinaryOperation(node, REM_EQUAL_OP_RULES, std::size(REM_EQUAL_OP_RULES), "%=", lhsType, rhsType); |
| 291 | } | ||
| 292 | |||
| 293 | 12 | QualType OpRuleManager::getSHLEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 294 | // Check if we try to assign a constant value | ||
| 295 |
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12 | ensureNoConstAssign(node, lhs.type); |
| 296 | |||
| 297 | // Remove reference wrappers | ||
| 298 |
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12 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 299 |
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12 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 300 | |||
| 301 |
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24 | return validateBinaryOperation(node, SHL_EQUAL_OP_RULES, std::size(SHL_EQUAL_OP_RULES), "<<=", lhsType, rhsType); |
| 302 | } | ||
| 303 | |||
| 304 | 13 | QualType OpRuleManager::getSHREqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 305 | // Check if we try to assign a constant value | ||
| 306 |
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13 | ensureNoConstAssign(node, lhs.type); |
| 307 | |||
| 308 | // Remove reference wrappers | ||
| 309 |
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13 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 310 |
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13 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 311 | |||
| 312 |
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26 | return validateBinaryOperation(node, SHR_EQUAL_OP_RULES, std::size(SHR_EQUAL_OP_RULES), ">>=", lhsType, rhsType); |
| 313 | } | ||
| 314 | |||
| 315 | 17 | QualType OpRuleManager::getAndEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 316 | // Check if we try to assign a constant value | ||
| 317 |
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17 | ensureNoConstAssign(node, lhs.type); |
| 318 | |||
| 319 | // Remove reference wrappers | ||
| 320 |
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17 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 321 |
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17 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 322 | |||
| 323 |
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34 | return validateBinaryOperation(node, AND_EQUAL_OP_RULES, std::size(AND_EQUAL_OP_RULES), "&=", lhsType, rhsType); |
| 324 | } | ||
| 325 | |||
| 326 | 13 | QualType OpRuleManager::getOrEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 327 | // Check if we try to assign a constant value | ||
| 328 |
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13 | ensureNoConstAssign(node, lhs.type); |
| 329 | |||
| 330 | // Remove reference wrappers | ||
| 331 |
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13 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 332 |
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13 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 333 | |||
| 334 |
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26 | return validateBinaryOperation(node, OR_EQUAL_OP_RULES, std::size(OR_EQUAL_OP_RULES), "|=", lhsType, rhsType); |
| 335 | } | ||
| 336 | |||
| 337 | 726 | QualType OpRuleManager::getXorEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 338 | // Check if we try to assign a constant value | ||
| 339 |
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726 | ensureNoConstAssign(node, lhs.type); |
| 340 | |||
| 341 | // Remove reference wrappers | ||
| 342 |
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726 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 343 |
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726 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 344 | |||
| 345 |
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1452 | return validateBinaryOperation(node, XOR_EQUAL_OP_RULES, std::size(XOR_EQUAL_OP_RULES), "^=", lhsType, rhsType); |
| 346 | } | ||
| 347 | |||
| 348 | 2812 | QualType OpRuleManager::getLogicalOrResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 349 | // Remove reference wrappers | ||
| 350 |
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2812 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 351 |
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2812 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 352 | |||
| 353 |
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5623 | return validateBinaryOperation(node, LOGICAL_OR_OP_RULES, std::size(LOGICAL_OR_OP_RULES), "||", lhsType, rhsType); |
| 354 | } | ||
| 355 | |||
| 356 | 1631 | QualType OpRuleManager::getLogicalAndResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 357 | // Remove reference wrappers | ||
| 358 |
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1631 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 359 |
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1631 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 360 | |||
| 361 |
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3262 | return validateBinaryOperation(node, LOGICAL_AND_OP_RULES, std::size(LOGICAL_AND_OP_RULES), "&&", lhsType, rhsType); |
| 362 | } | ||
| 363 | |||
| 364 | 294 | ExprResult OpRuleManager::getBitwiseOrResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 365 | size_t opIdx) const { | ||
| 366 | // Check if there is an overloaded operator function available | ||
| 367 |
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294 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_BITWISE_OR, {lhs, rhs}, opIdx); |
| 368 |
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294 | if (!resultType.type.is(TY_INVALID)) |
| 369 | 4 | return resultType; | |
| 370 | |||
| 371 | // Remove reference wrappers | ||
| 372 |
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290 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 373 |
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290 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 374 | |||
| 375 |
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290 | return {validateBinaryOperation(node, BITWISE_OR_OP_RULES, std::size(BITWISE_OR_OP_RULES), "|", lhsType, rhsType)}; |
| 376 | } | ||
| 377 | |||
| 378 | 43 | ExprResult OpRuleManager::getBitwiseXorResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 379 | size_t opIdx) const { | ||
| 380 | // Check if there is an overloaded operator function available | ||
| 381 |
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43 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_BITWISE_XOR, {lhs, rhs}, opIdx); |
| 382 |
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43 | if (!resultType.type.is(TY_INVALID)) |
| 383 | 3 | return resultType; | |
| 384 | |||
| 385 | // Remove reference wrappers | ||
| 386 |
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40 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 387 |
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40 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 388 | |||
| 389 |
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40 | return {validateBinaryOperation(node, BITWISE_XOR_OP_RULES, std::size(BITWISE_XOR_OP_RULES), "^", lhsType, rhsType)}; |
| 390 | } | ||
| 391 | |||
| 392 | 73 | ExprResult OpRuleManager::getBitwiseAndResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 393 | size_t opIdx) const { | ||
| 394 | // Check if there is an overloaded operator function available | ||
| 395 |
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73 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_BITWISE_AND, {lhs, rhs}, opIdx); |
| 396 |
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|
73 | if (!resultType.type.is(TY_INVALID)) |
| 397 | 4 | return resultType; | |
| 398 | |||
| 399 | // Remove reference wrappers | ||
| 400 |
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69 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 401 |
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69 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 402 | |||
| 403 |
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|
69 | return {validateBinaryOperation(node, BITWISE_AND_OP_RULES, std::size(BITWISE_AND_OP_RULES), "&", lhsType, rhsType)}; |
| 404 | } | ||
| 405 | |||
| 406 | 14360 | ExprResult OpRuleManager::getEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 407 | // Check is there is an overloaded operator function available | ||
| 408 |
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|
14360 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_EQUAL, {lhs, rhs}, 0); |
| 409 |
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|
14360 | if (!resultType.type.is(TY_INVALID)) |
| 410 | 1323 | return resultType; | |
| 411 | |||
| 412 | // Remove reference wrappers | ||
| 413 |
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13037 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 414 |
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13037 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 415 | |||
| 416 | // Allow 'pointer == unsigned long' straight away | ||
| 417 |
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|
13037 | if (lhsType.isPtr() && rhsType.is(TY_LONG) && rhsType.isUnsigned()) |
| 418 |
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1 | return ExprResult(QualType(TY_BOOL)); |
| 419 | |||
| 420 | // Allow 'string == char*' and vice versa straight away | ||
| 421 |
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|
13036 | if ((lhsType.is(TY_STRING) && rhsType.isPtrTo(TY_CHAR)) || (lhsType.isPtrTo(TY_CHAR) && rhsType.is(TY_STRING))) |
| 422 |
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1 | return ExprResult(QualType(TY_BOOL)); |
| 423 | |||
| 424 | // Check primitive type combinations | ||
| 425 |
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|
13035 | return ExprResult(validateBinaryOperation(node, EQUAL_OP_RULES, std::size(EQUAL_OP_RULES), "==", lhsType, rhsType)); |
| 426 | } | ||
| 427 | |||
| 428 | 3837 | ExprResult OpRuleManager::getNotEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 429 | // Check is there is an overloaded operator function available | ||
| 430 |
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3837 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_NOT_EQUAL, {lhs, rhs}, 0); |
| 431 |
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3837 | if (!resultType.type.is(TY_INVALID)) |
| 432 | 71 | return resultType; | |
| 433 | |||
| 434 | // Remove reference wrappers | ||
| 435 |
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3766 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 436 |
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3766 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 437 | |||
| 438 | // Allow 'pointer != unsigned long' straight away | ||
| 439 |
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|
3766 | if (lhsType.isPtr() && rhsType.is(TY_LONG) && rhsType.isUnsigned()) |
| 440 |
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1 | return ExprResult(QualType(TY_BOOL)); |
| 441 | |||
| 442 | // Allow 'string != char*' and vice versa straight away | ||
| 443 |
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|
3765 | if ((lhsType.is(TY_STRING) && rhsType.isPtrTo(TY_CHAR)) || (lhsType.isPtrTo(TY_CHAR) && rhsType.is(TY_STRING))) |
| 444 |
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1 | return ExprResult(QualType(TY_BOOL)); |
| 445 | |||
| 446 | // Check primitive type combinations | ||
| 447 |
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3764 | return ExprResult(validateBinaryOperation(node, NOT_EQUAL_OP_RULES, std::size(NOT_EQUAL_OP_RULES), "!=", lhsType, rhsType)); |
| 448 | } | ||
| 449 | |||
| 450 | 4867 | QualType OpRuleManager::getLessResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 451 | // Remove reference wrappers | ||
| 452 |
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4867 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 453 |
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4867 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 454 | |||
| 455 |
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|
9734 | return validateBinaryOperation(node, LESS_OP_RULES, std::size(LESS_OP_RULES), "<", lhsType, rhsType); |
| 456 | } | ||
| 457 | |||
| 458 | 1760 | QualType OpRuleManager::getGreaterResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 459 | // Remove reference wrappers | ||
| 460 |
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1760 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 461 |
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1760 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 462 | |||
| 463 |
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|
3519 | return validateBinaryOperation(node, GREATER_OP_RULES, std::size(GREATER_OP_RULES), ">", lhsType, rhsType); |
| 464 | } | ||
| 465 | |||
| 466 | 1264 | QualType OpRuleManager::getLessEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 467 | // Remove reference wrappers | ||
| 468 |
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1264 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 469 |
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1264 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 470 | |||
| 471 |
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2528 | return validateBinaryOperation(node, LESS_EQUAL_OP_RULES, std::size(LESS_EQUAL_OP_RULES), "<=", lhsType, rhsType); |
| 472 | } | ||
| 473 | |||
| 474 | 2186 | QualType OpRuleManager::getGreaterEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 475 | // Remove reference wrappers | ||
| 476 |
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2186 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 477 |
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2186 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 478 | |||
| 479 | // Allow 'pointer == pointer' straight away | ||
| 480 |
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2186 | if (lhsType.isPtr() && rhsType.isPtr()) |
| 481 |
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4 | return QualType(TY_BOOL); |
| 482 | |||
| 483 |
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2182 | return validateBinaryOperation(node, GREATER_EQUAL_OP_RULES, std::size(GREATER_EQUAL_OP_RULES), ">=", lhsType, rhsType); |
| 484 | } | ||
| 485 | |||
| 486 | 2100 | ExprResult OpRuleManager::getShiftLeftResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 487 | size_t opIdx) const { | ||
| 488 | // Check is there is an overloaded operator function available | ||
| 489 |
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2100 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_SHL, {lhs, rhs}, opIdx); |
| 490 |
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2100 | if (!resultType.type.is(TY_INVALID)) |
| 491 | 2048 | return resultType; | |
| 492 | |||
| 493 | // Remove reference wrappers | ||
| 494 |
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52 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 495 |
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52 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 496 | |||
| 497 |
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52 | return {validateBinaryOperation(node, SHIFT_LEFT_OP_RULES, std::size(SHIFT_LEFT_OP_RULES), "<<", lhsType, rhsType)}; |
| 498 | } | ||
| 499 | |||
| 500 | 203 | ExprResult OpRuleManager::getShiftRightResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 501 | size_t opIdx) const { | ||
| 502 | // Check is there is an overloaded operator function available | ||
| 503 |
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203 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_SHR, {lhs, rhs}, opIdx); |
| 504 |
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203 | if (!resultType.type.is(TY_INVALID)) |
| 505 | 1 | return resultType; | |
| 506 | |||
| 507 | // Remove reference wrappers | ||
| 508 |
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202 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 509 |
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202 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 510 | |||
| 511 |
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|
202 | return {validateBinaryOperation(node, SHIFT_RIGHT_OP_RULES, std::size(SHIFT_RIGHT_OP_RULES), ">>", lhsType, rhsType)}; |
| 512 | } | ||
| 513 | |||
| 514 | 6993 | ExprResult OpRuleManager::getPlusResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 515 | // Check is there is an overloaded operator function available | ||
| 516 |
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6993 | const ExprResult result = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_PLUS, {lhs, rhs}, opIdx); |
| 517 |
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6993 | if (!result.type.is(TY_INVALID)) |
| 518 | 594 | return result; | |
| 519 | |||
| 520 | // Remove reference wrappers | ||
| 521 |
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|
6399 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 522 |
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6399 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 523 | |||
| 524 | // Allow any* + <int/long/short> | ||
| 525 |
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6399 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 526 |
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|
969 | ensureUnsafeAllowed(node, "+", lhsType, rhsType); |
| 527 | 969 | return {lhsType}; | |
| 528 | } | ||
| 529 | // Allow <int/long/short> + any* | ||
| 530 |
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5430 | if (lhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT}) && rhsType.isPtr()) { |
| 531 | ✗ | ensureUnsafeAllowed(node, "+", lhsType, rhsType); | |
| 532 | ✗ | return {rhsType}; | |
| 533 | } | ||
| 534 | |||
| 535 |
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5430 | return {validateBinaryOperation(node, PLUS_OP_RULES, std::size(PLUS_OP_RULES), "+", lhsType, rhsType)}; |
| 536 | } | ||
| 537 | |||
| 538 | 4043 | ExprResult OpRuleManager::getMinusResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 539 | // Check is there is an overloaded operator function available | ||
| 540 |
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4043 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MINUS, {lhs, rhs}, opIdx); |
| 541 |
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4043 | if (!resultType.type.is(TY_INVALID)) |
| 542 | 1 | return resultType; | |
| 543 | |||
| 544 | // Remove reference wrappers | ||
| 545 |
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4042 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 546 |
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4042 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 547 | |||
| 548 | // Allow any* - <int/long/short> | ||
| 549 |
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4042 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 550 |
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3 | ensureUnsafeAllowed(node, "-", lhsType, rhsType); |
| 551 | 3 | return lhs; | |
| 552 | } | ||
| 553 | |||
| 554 |
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|
4039 | return {validateBinaryOperation(node, MINUS_OP_RULES, std::size(MINUS_OP_RULES), "-", lhsType, rhsType)}; |
| 555 | } | ||
| 556 | |||
| 557 | 2219 | ExprResult OpRuleManager::getMulResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 558 | // Check is there is an overloaded operator function available | ||
| 559 |
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2219 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MUL, {lhs, rhs}, opIdx); |
| 560 |
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2219 | if (!resultType.type.is(TY_INVALID)) |
| 561 | 9 | return resultType; | |
| 562 | |||
| 563 | // Remove reference wrappers | ||
| 564 |
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2210 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 565 |
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2210 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 566 | |||
| 567 |
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|
2210 | return {validateBinaryOperation(node, MUL_OP_RULES, std::size(MUL_OP_RULES), "*", lhsType, rhsType)}; |
| 568 | } | ||
| 569 | |||
| 570 | 525 | ExprResult OpRuleManager::getDivResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 571 | // Check is there is an overloaded operator function available | ||
| 572 |
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525 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_DIV, {lhs, rhs}, opIdx); |
| 573 |
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525 | if (!resultType.type.is(TY_INVALID)) |
| 574 | 5 | return resultType; | |
| 575 | |||
| 576 | // Remove reference wrappers | ||
| 577 |
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520 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 578 |
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520 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 579 | |||
| 580 |
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520 | return {validateBinaryOperation(node, DIV_OP_RULES, std::size(DIV_OP_RULES), "/", lhsType, rhsType)}; |
| 581 | } | ||
| 582 | |||
| 583 | 132 | ExprResult OpRuleManager::getRemResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 584 | // Remove reference wrappers | ||
| 585 |
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132 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 586 |
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132 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 587 | |||
| 588 |
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132 | return {validateBinaryOperation(node, REM_OP_RULES, std::size(REM_OP_RULES), "%", lhsType, rhsType)}; |
| 589 | } | ||
| 590 | |||
| 591 | 1004 | QualType OpRuleManager::getPrefixMinusResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 592 | // Remove reference wrappers | ||
| 593 |
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1004 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 594 | |||
| 595 |
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|
2008 | return validateUnaryOperation(node, PREFIX_MINUS_OP_RULES, std::size(PREFIX_MINUS_OP_RULES), "-", lhsType); |
| 596 | } | ||
| 597 | |||
| 598 | 18 | QualType OpRuleManager::getPrefixPlusPlusResultType(const ASTNode *node, const ExprResult &lhs) const { | |
| 599 | // Check if we try to assign a constant value | ||
| 600 |
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|
18 | ensureNoConstAssign(node, lhs.type); |
| 601 | |||
| 602 | // Remove reference wrappers | ||
| 603 |
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18 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 604 | |||
| 605 | // Check if this is an unsafe operation | ||
| 606 |
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|
18 | if (lhsType.isPtr()) { |
| 607 | ✗ | ensureUnsafeAllowed(node, "++", lhsType); | |
| 608 | ✗ | return lhsType; | |
| 609 | } | ||
| 610 | |||
| 611 |
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|
18 | return validateUnaryOperation(node, PREFIX_PLUS_PLUS_OP_RULES, std::size(PREFIX_PLUS_PLUS_OP_RULES), "++", lhsType); |
| 612 | } | ||
| 613 | |||
| 614 | 16 | QualType OpRuleManager::getPrefixMinusMinusResultType(const ASTNode *node, const ExprResult &lhs) const { | |
| 615 | // Check if we try to assign a constant value | ||
| 616 |
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16 | ensureNoConstAssign(node, lhs.type); |
| 617 | |||
| 618 | // Remove reference wrappers | ||
| 619 |
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16 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 620 | |||
| 621 | // Check if this is an unsafe operation | ||
| 622 |
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|
16 | if (lhsType.isPtr()) { |
| 623 | ✗ | ensureUnsafeAllowed(node, "--", lhsType); | |
| 624 | ✗ | return lhsType; | |
| 625 | } | ||
| 626 | |||
| 627 |
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|
16 | return validateUnaryOperation(node, PREFIX_MINUS_MINUS_OP_RULES, std::size(PREFIX_MINUS_MINUS_OP_RULES), "--", lhsType); |
| 628 | } | ||
| 629 | |||
| 630 | 4058 | QualType OpRuleManager::getPrefixNotResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 631 | // Remove reference wrappers | ||
| 632 |
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|
4058 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 633 | |||
| 634 |
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|
8116 | return validateUnaryOperation(node, PREFIX_NOT_OP_RULES, std::size(PREFIX_NOT_OP_RULES), "!", lhsType); |
| 635 | } | ||
| 636 | |||
| 637 | 12 | ExprResult OpRuleManager::getPrefixBitwiseNotResultType(ASTNode *node, const ExprResult &lhs) const { | |
| 638 | // Check if there is an overloaded operator function available | ||
| 639 |
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12 | const ExprResult resultType = isOperatorOverloadingFctAvailable<1>(node, OP_FCT_BITWISE_NOT, {lhs}, 0); |
| 640 |
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12 | if (!resultType.type.is(TY_INVALID)) |
| 641 | 2 | return resultType; | |
| 642 | |||
| 643 | // Remove reference wrappers | ||
| 644 |
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10 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 645 | |||
| 646 |
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|
10 | return {validateUnaryOperation(node, PREFIX_BITWISE_NOT_OP_RULES, std::size(PREFIX_BITWISE_NOT_OP_RULES), "~", lhsType)}; |
| 647 | } | ||
| 648 | |||
| 649 | 1015 | QualType OpRuleManager::getPrefixMulResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 650 | // Remove reference wrappers | ||
| 651 |
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1015 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 652 | |||
| 653 |
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|
1015 | if (!lhsType.isPtr()) |
| 654 |
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|
1 | throw SemanticError(node, OPERATOR_WRONG_DATA_TYPE, "Cannot apply de-referencing operator on type " + lhsType.getName(true)); |
| 655 |
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|
2028 | return lhsType.getContained(); |
| 656 | } | ||
| 657 | |||
| 658 | 1004 | QualType OpRuleManager::getPrefixBitwiseAndResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 659 | // Remove reference wrappers | ||
| 660 |
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|
1004 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 661 | |||
| 662 |
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|
2008 | return lhsType.toPtr(node); |
| 663 | } | ||
| 664 | |||
| 665 | 5365 | ExprResult OpRuleManager::getPostfixPlusPlusResultType(ASTNode *node, const ExprResult &lhs) const { | |
| 666 | // Check is there is an overloaded operator function available | ||
| 667 |
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|
5365 | const ExprResult resultType = isOperatorOverloadingFctAvailable<1>(node, OP_FCT_POSTFIX_PLUS_PLUS, {lhs}, 0); |
| 668 |
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|
5364 | if (!resultType.type.is(TY_INVALID)) |
| 669 | 9 | return resultType; | |
| 670 | |||
| 671 | // Check if we try to assign a constant value | ||
| 672 |
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|
5355 | ensureNoConstAssign(node, lhs.type); |
| 673 | |||
| 674 | // Remove reference wrappers | ||
| 675 |
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|
5355 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 676 | |||
| 677 | // Check if this is an unsafe operation | ||
| 678 |
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|
5355 | if (lhsType.isPtr()) { |
| 679 |
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|
27 | ensureUnsafeAllowed(node, "++", lhsType); |
| 680 | 27 | return lhs; | |
| 681 | } | ||
| 682 | |||
| 683 |
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|
5328 | return {validateUnaryOperation(node, POSTFIX_PLUS_PLUS_OP_RULES, std::size(POSTFIX_PLUS_PLUS_OP_RULES), "++", lhsType)}; |
| 684 | } | ||
| 685 | |||
| 686 | 534 | ExprResult OpRuleManager::getPostfixMinusMinusResultType(ASTNode *node, const ExprResult &lhs) const { | |
| 687 | // Check is there is an overloaded operator function available | ||
| 688 |
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|
534 | const ExprResult resultType = isOperatorOverloadingFctAvailable<1>(node, OP_FCT_POSTFIX_MINUS_MINUS, {lhs}, 0); |
| 689 |
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|
534 | if (!resultType.type.is(TY_INVALID)) |
| 690 | 7 | return resultType; | |
| 691 | |||
| 692 | // Check if we try to assign a constant value | ||
| 693 |
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|
527 | ensureNoConstAssign(node, lhs.type); |
| 694 | |||
| 695 | // Remove reference wrappers | ||
| 696 |
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|
527 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 697 | |||
| 698 | // Check if this is an unsafe operation | ||
| 699 |
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|
527 | if (lhsType.isPtr()) { |
| 700 |
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|
2 | ensureUnsafeAllowed(node, "--", lhsType); |
| 701 | 2 | return lhs; | |
| 702 | } | ||
| 703 | |||
| 704 |
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|
525 | return {validateUnaryOperation(node, POSTFIX_MINUS_MINUS_OP_RULES, std::size(POSTFIX_MINUS_MINUS_OP_RULES), "--", lhsType)}; |
| 705 | } | ||
| 706 | |||
| 707 | 8828 | QualType OpRuleManager::getCastResultType(const ASTNode *node, QualType lhsType, const ExprResult &rhs) const { | |
| 708 | // Remove reference wrappers | ||
| 709 |
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|
8828 | lhsType = lhsType.removeReferenceWrapper(); |
| 710 |
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|
8828 | QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 711 | |||
| 712 | // Only allow to cast the 'heap' qualifier away, if we are in unsafe mode | ||
| 713 |
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|
8828 | if (lhsType.getQualifiers().isHeap != rhsType.getQualifiers().isHeap) |
| 714 |
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|
477 | ensureUnsafeAllowed(node, "(cast)", lhsType, rhsType); |
| 715 | |||
| 716 | // Allow identity casts | ||
| 717 |
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|
8828 | if (lhsType.matches(rhsType, false, true, true)) |
| 718 | 1021 | return lhsType; | |
| 719 | // Allow casts string -> char* and string -> char[] | ||
| 720 |
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|
7807 | if (lhsType.isOneOf({TY_PTR, TY_ARRAY}) && lhsType.getContained().is(TY_CHAR) && rhsType.is(TY_STRING)) |
| 721 | 2042 | return lhsType; | |
| 722 | // Allow casts char* -> string and char[] -> string | ||
| 723 |
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|
5765 | if (lhsType.is(TY_STRING) && rhsType.isOneOf({TY_PTR, TY_ARRAY}) && rhsType.getContained().is(TY_CHAR)) |
| 724 | 163 | return lhsType; | |
| 725 | // Allow safe upcasts baseStruct* <- derivedStruct* and interface* <- struct* without requiring an unsafe | ||
| 726 | // block. These are the only struct-pointer casts where the target subobject is guaranteed to be present; | ||
| 727 | // the IR generator advances the pointer to that subobject (past any vtable prefix). The reverse direction | ||
| 728 | // (down/sibling casts) is not covered here and still falls through to the unsafe any* -> any* rule below. | ||
| 729 |
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|
5602 | if (lhsType.isPtr() && rhsType.isPtr()) { |
| 730 |
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|
2418 | const QualType lhsContained = lhsType.getContained(); |
| 731 |
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2418 | const QualType rhsContained = rhsType.getContained(); |
| 732 |
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|
2418 | if (lhsContained.matchesInterfaceImplementedByStruct(rhsContained) || lhsContained.matchesComposedBaseOfStruct(rhsContained)) |
| 733 | 469 | return lhsType; | |
| 734 | } | ||
| 735 | // Allow casts any* -> any* | ||
| 736 |
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|
5133 | if (lhsType.isOneOf({TY_PTR, TY_STRING}) && rhsType.isOneOf({TY_PTR, TY_STRING})) { |
| 737 |
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1949 | ensureUnsafeAllowed(node, "(cast)", lhsType, rhsType); |
| 738 | 1949 | return lhsType; | |
| 739 | } | ||
| 740 | // Allow casts p()/f<>() -> byte* | ||
| 741 |
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|
3184 | if (lhsType.isPtrTo(TY_BYTE) && rhsType.isOneOf({TY_FUNCTION, TY_PROCEDURE})) { |
| 742 |
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|
8 | ensureUnsafeAllowed(node, "(cast)", lhsType, rhsType); |
| 743 | 8 | return lhsType; | |
| 744 | } | ||
| 745 | // Check primitive type combinations | ||
| 746 |
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|
3176 | return validateBinaryOperation(node, CAST_OP_RULES, std::size(CAST_OP_RULES), "(cast)", lhsType, rhsType, true); |
| 747 | } | ||
| 748 | |||
| 749 | template <size_t N> | ||
| 750 | 50381 | ExprResult OpRuleManager::isOperatorOverloadingFctAvailable(ASTNode *node, const char *const fctName, | |
| 751 | const std::array<ExprResult, N> &op, size_t opIdx) const { | ||
| 752 | static_assert(N == 1 || N == 2, "Only unary and binary operators are overloadable"); | ||
| 753 | 50381 | Scope *calleeParentScope = nullptr; | |
| 754 | 50381 | const Function *callee = nullptr; | |
| 755 |
14/20spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
1290890 | for (const auto &sourceFile : typeChecker->resourceManager.sourceFiles | std::views::values) { |
| 756 | // Check if there is a registered operator function | ||
| 757 |
8/12spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
2461818 | if (!sourceFile->getNameRegistryEntry(fctName)) |
| 758 | 445699 | continue; | |
| 759 | |||
| 760 | // Match callees in the global scope of this source file | ||
| 761 | 374907 | calleeParentScope = sourceFile->globalScope.get(); | |
| 762 |
2/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
374907 | const QualType thisType(TY_DYN); |
| 763 |
2/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
749814 | ArgList args(N); |
| 764 |
2/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
374907 | args[0] = {typeChecker->mapLocalTypeToImportedScopeType(calleeParentScope, op[0].type), op[0].isTemporary()}; |
| 765 | if constexpr (N == 2) | ||
| 766 |
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350637 | args[1] = {typeChecker->mapLocalTypeToImportedScopeType(calleeParentScope, op[1].type), op[1].isTemporary()}; |
| 767 |
4/8spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
1124721 | callee = FunctionManager::match(calleeParentScope, fctName, thisType, args, {}, false, node); |
| 768 |
4/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
374907 | if (callee) |
| 769 | 5385 | break; | |
| 770 | } | ||
| 771 | |||
| 772 | // Return invalid type if the callee was not found | ||
| 773 |
4/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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|
50381 | if (!callee) |
| 774 | 44996 | return ExprResult(QualType(TY_INVALID)); | |
| 775 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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5385 | assert(calleeParentScope != nullptr); |
| 776 | |||
| 777 | // Save the pointer to the operator function in the AST node | ||
| 778 | 5385 | std::vector<const Function *> &opFctPointers = typeChecker->getOpFctPointers(node); | |
| 779 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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5385 | if (opFctPointers.size() <= opIdx) |
| 780 |
1/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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1147 | opFctPointers.resize(opIdx + 1, nullptr); |
| 781 | 5385 | opFctPointers.at(opIdx) = callee; | |
| 782 | |||
| 783 | // Check if we need to request a re-visit, because the function body was not type-checked yet | ||
| 784 | 5385 | TypeChecker::requestRevisitIfRequired(callee); | |
| 785 | |||
| 786 | // Check if the called function has sufficient visibility | ||
| 787 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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5385 | const bool isImported = calleeParentScope != nullptr && calleeParentScope->isImportedBy(typeChecker->rootScope); |
| 788 | 5385 | const SymbolTableEntry *calleeEntry = callee->entry; | |
| 789 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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5385 | if (isImported && !calleeEntry->getQualType().isPublic()) |
| 790 |
1/4spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<1ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 1ul> const&, unsigned long) const:
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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2 | throw SemanticError(node, INSUFFICIENT_VISIBILITY, |
| 791 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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2 | "Overloaded operator '" + callee->getSignature() + "' has insufficient visibility"); |
| 792 | |||
| 793 | // Procedures always have the return type 'bool' | ||
| 794 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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5384 | if (callee->isProcedure()) |
| 795 | 898 | return ExprResult(QualType(TY_BOOL)); | |
| 796 | 4486 | const QualType &returnType = callee->returnType; | |
| 797 | |||
| 798 | // Add anonymous symbol to keep track of dtor call, if non-trivially destructible | ||
| 799 | 4486 | SymbolTableEntry *anonymousSymbol = nullptr; | |
| 800 |
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spice::compiler::ExprResult spice::compiler::OpRuleManager::isOperatorOverloadingFctAvailable<2ul>(spice::compiler::ASTNode*, char const*, std::array<spice::compiler::ExprResult, 2ul> const&, unsigned long) const:
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4486 | if (returnType.is(TY_STRUCT) && !returnType.isTriviallyDestructible(node)) |
| 801 | 611 | anonymousSymbol = typeChecker->currentScope->symbolTable.insertAnonymous(returnType, node, opIdx); | |
| 802 | |||
| 803 | 4486 | return {typeChecker->mapImportedScopeTypeToLocalType(calleeParentScope, returnType), anonymousSymbol}; | |
| 804 | } | ||
| 805 | |||
| 806 | 10959 | QualType OpRuleManager::validateUnaryOperation(const ASTNode *node, const UnaryOpRule opRules[], size_t opRulesSize, | |
| 807 | const char *name, const QualType &lhs) { | ||
| 808 |
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23364 | for (size_t i = 0; i < opRulesSize; i++) { |
| 809 | 23362 | const UnaryOpRule &rule = opRules[i]; | |
| 810 |
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23362 | if (std::get<0>(rule) == lhs.getSuperType()) |
| 811 |
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10957 | return QualType(std::get<1>(rule)); |
| 812 | } | ||
| 813 |
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2 | throw getExceptionUnary(node, name, lhs); |
| 814 | } | ||
| 815 | |||
| 816 | 99126 | QualType OpRuleManager::validateBinaryOperation(const ASTNode *node, const BinaryOpRule opRules[], size_t opRulesSize, | |
| 817 | const char *name, const QualType &lhs, const QualType &rhs, | ||
| 818 | bool preserveQualifiersFromLhs, const char *customMessagePrefix) { | ||
| 819 |
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985150 | for (size_t i = 0; i < opRulesSize; i++) { |
| 820 | 985130 | const BinaryOpRule &rule = opRules[i]; | |
| 821 |
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985130 | if (std::get<0>(rule) == lhs.getSuperType() && std::get<1>(rule) == rhs.getSuperType()) { |
| 822 |
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99106 | QualType resultType((std::get<2>(rule))); |
| 823 |
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99106 | if (preserveQualifiersFromLhs) |
| 824 | 53111 | resultType.setQualifiers(lhs.getQualifiers()); | |
| 825 | 99106 | return resultType; | |
| 826 | } | ||
| 827 | } | ||
| 828 |
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20 | throw getExceptionBinary(node, name, lhs, rhs, customMessagePrefix); |
| 829 | } | ||
| 830 | |||
| 831 | 2 | SemanticError OpRuleManager::getExceptionUnary(const ASTNode *node, const char *name, const QualType &lhs) { | |
| 832 |
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8 | return {node, OPERATOR_WRONG_DATA_TYPE, "Cannot apply '" + std::string(name) + "' operator on type " + lhs.getName(true)}; |
| 833 | } | ||
| 834 | |||
| 835 | 20 | SemanticError OpRuleManager::getExceptionBinary(const ASTNode *node, const char *name, const QualType &lhs, const QualType &rhs, | |
| 836 | const char *messagePrefix) { | ||
| 837 | // Build error message | ||
| 838 |
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20 | std::stringstream errorMsg; |
| 839 |
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20 | if (strlen(messagePrefix) != 0) |
| 840 |
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4 | errorMsg << messagePrefix << ". Expected " << lhs.getName(true) << " but got " << rhs.getName(true); |
| 841 | else | ||
| 842 |
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16 | errorMsg << "Cannot apply '" << name << "' operator on types " << lhs.getName(true) << " and " << rhs.getName(true); |
| 843 | |||
| 844 | // Return the exception | ||
| 845 |
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60 | return {node, OPERATOR_WRONG_DATA_TYPE, errorMsg.str()}; |
| 846 | 20 | } | |
| 847 | |||
| 848 | 29 | void OpRuleManager::ensureUnsafeAllowed(const ASTNode *node, const char *name, const QualType &lhs) const { | |
| 849 |
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29 | if (typeChecker->currentScope->doesAllowUnsafeOperations()) |
| 850 | 29 | return; | |
| 851 | // Print error message | ||
| 852 | ✗ | const std::string lhsName = lhs.getName(true); | |
| 853 | ✗ | const std::string errorMsg = "Cannot apply '" + std::string(name) + "' operator on type " + lhsName + | |
| 854 | ✗ | " as this is an unsafe operation. Please use unsafe blocks if you know what you are doing."; | |
| 855 | ✗ | SOFT_ERROR_VOID(node, UNSAFE_OPERATION_IN_SAFE_CONTEXT, errorMsg) | |
| 856 | ✗ | } | |
| 857 | |||
| 858 | 3577 | void OpRuleManager::ensureUnsafeAllowed(const ASTNode *node, const char *name, const QualType &lhs, const QualType &rhs) const { | |
| 859 |
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3577 | if (typeChecker->currentScope->doesAllowUnsafeOperations()) |
| 860 | 3576 | return; | |
| 861 | // Print error message | ||
| 862 |
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1 | const std::string lhsName = lhs.getName(true); |
| 863 |
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1 | const std::string rhsName = rhs.getName(true); |
| 864 |
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3 | const std::string errorMsg = "Cannot apply '" + std::string(name) + "' operator on types " + lhsName + " and " + rhsName + |
| 865 |
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1 | " as this is an unsafe operation. Please use unsafe blocks if you know what you are doing."; |
| 866 |
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1 | SOFT_ERROR_VOID(node, UNSAFE_OPERATION_IN_SAFE_CONTEXT, errorMsg) |
| 867 | 1 | } | |
| 868 | |||
| 869 | 89490 | void OpRuleManager::ensureNoConstAssign(const ASTNode *node, const QualType &lhs, bool isDecl, bool isReturn) const { | |
| 870 | // Check if we try to assign a constant value | ||
| 871 |
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89490 | if (lhs.removeReferenceWrapper().isConst() && !isDecl && !isReturn) { |
| 872 |
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14 | const std::string errorMessage = "Trying to assign value to an immutable variable of type " + lhs.getName(true); |
| 873 |
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14 | SOFT_ERROR_VOID(node, REASSIGN_CONST_VARIABLE, errorMessage); |
| 874 | 14 | } | |
| 875 | } | ||
| 876 | |||
| 877 | } // namespace spice::compiler | ||
| 878 |