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 | 8603 | OpRuleManager::OpRuleManager(TypeChecker *typeChecker) | |
| 16 | 8603 | : typeChecker(typeChecker), resourceManager(typeChecker->resourceManager) {} | |
| 17 | |||
| 18 | 75267 | 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 | 75267 | const QualType lhsType = lhs.type; | |
| 22 | 75267 | const QualType rhsType = rhs.type; | |
| 23 | |||
| 24 | // Check if lhs is a temporary | ||
| 25 |
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75267 | 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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75266 | if (lhsType.is(TY_DYN)) |
| 30 | 580 | return {rhsType, nullptr}; | |
| 31 | |||
| 32 | // Check if we try to assign a constant value | ||
| 33 |
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74686 | ensureNoConstAssign(node, lhsType, isDecl, isReturn); |
| 34 | |||
| 35 | // Allow pointers and references of the same type straight away | ||
| 36 |
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74686 | 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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11903 | if (rhs.entry && lhsType.isPtr() && lhsType.isHeap() && rhsType.removeReferenceWrapper().isPtr() && rhsType.isHeap()) |
| 39 |
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1086 | rhs.entry->updateState(MOVED, node); |
| 40 | 11903 | return {rhsType, nullptr}; | |
| 41 | } | ||
| 42 | // Allow ref type to type of the same contained type straight away | ||
| 43 |
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62783 | if (rhsType.isRef()) { |
| 44 | // If this is const ref, remove both: the reference and the constness | ||
| 45 |
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1593 | const QualType rhsNonRef = rhsType.getContained().toNonConst(); |
| 46 |
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1593 | if (lhsType.matches(rhsNonRef, false, false, true)) { |
| 47 |
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1591 | if (rhsNonRef.is(TY_STRUCT)) |
| 48 |
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1591 | return performStructAssign(node, lhs, rhs, rhsNonRef, isDecl, isReturn); |
| 49 | 794 | return {lhsType, nullptr}; | |
| 50 | } | ||
| 51 | } | ||
| 52 | // Allow arrays, structs, interfaces, functions, procedures of the same type straight away | ||
| 53 |
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61192 | if (lhsType.isOneOf({TY_ARRAY, TY_INTERFACE, TY_FUNCTION, TY_PROCEDURE}) && lhsType.matches(rhsType, false, true, true)) |
| 54 | 339 | return {rhsType, nullptr}; | |
| 55 | // Allow struct of the same type straight away | ||
| 56 |
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60853 | if (lhsType.is(TY_STRUCT) && lhsType.matches(rhsType, false, true, true)) |
| 57 |
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12194 | 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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27114 | if (!isDecl && !isReturn && lhsType.isRef() && lhsType.getContained().is(TY_STRUCT) && lhs.entry != nullptr && |
| 63 |
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75773 | 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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48652 | const QualType resultType = getAssignResultTypeCommon(node, lhs, rhs, isDecl, isReturn); |
| 68 |
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48650 | if (!resultType.is(TY_INVALID)) |
| 69 | 2227 | return {resultType, nullptr}; | |
| 70 | |||
| 71 | // Check primitive type combinations | ||
| 72 | 46423 | const QualType binOpType = | |
| 73 |
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46423 | validateBinaryOperation(node, ASSIGN_OP_RULES, std::size(ASSIGN_OP_RULES), "=", lhsType, rhsType, true, errMsgPrefix); |
| 74 | 46410 | return {binOpType, nullptr}; | |
| 75 | } | ||
| 76 | |||
| 77 | 1739 | QualType OpRuleManager::getFieldAssignResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, bool imm, | |
| 78 | bool isDecl) const { | ||
| 79 | // Retrieve types | ||
| 80 | 1739 | const QualType lhsType = lhs.type; | |
| 81 | 1739 | const QualType rhsType = rhs.type; | |
| 82 |
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1739 | assert(!lhsType.is(TY_DYN)); |
| 83 | |||
| 84 | // Check if we try to assign a constant value | ||
| 85 |
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1739 | ensureNoConstAssign(node, lhsType, isDecl); |
| 86 | |||
| 87 | // Allow pointers, arrays and structs of the same type straight away | ||
| 88 |
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1739 | 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; | |
| 93 | } | ||
| 94 | // Allow struct of the same type straight away | ||
| 95 |
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627 | if (lhsType.is(TY_STRUCT) && lhsType.matches(rhsType, false, true, true)) |
| 96 |
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39 | return performStructAssign(node, lhs, rhs, rhsType, isDecl, false).first; |
| 97 | // Allow ref type to type of the same contained type straight away | ||
| 98 |
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588 | 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; | |
| 103 | |||
| 104 | // In case of a return expression, we perform temp stealing | ||
| 105 |
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1 | if (rhsType.getContained().is(TY_STRUCT) && !rhs.isTemporary()) |
| 106 | ✗ | typeChecker->implicitlyCallStructCopyCtor(rhs.entry, rhs.entry->declNode); | |
| 107 | 1 | return lhsType; | |
| 108 | } | ||
| 109 | // Allow ref type to type of the same contained type straight away | ||
| 110 |
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587 | if (rhsType.isRef()) { |
| 111 | // If this is const ref, remove both: the reference and the constness | ||
| 112 |
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62 | const QualType rhsNonRef = rhsType.getContained().toNonConst(); |
| 113 |
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62 | if (lhsType.matches(rhsNonRef, false, false, true)) |
| 114 |
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62 | return performStructAssign(node, lhs, rhs, rhsNonRef, isDecl, false).first; |
| 115 | } | ||
| 116 | // Allow immediate value to const ref of the same contained type straight away | ||
| 117 |
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525 | if (lhsType.isConstRef() && imm) |
| 118 | 1 | return rhsType; | |
| 119 | |||
| 120 | // Check common type combinations | ||
| 121 |
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524 | const QualType resultType = getAssignResultTypeCommon(node, lhs, rhs, isDecl, false); |
| 122 |
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524 | if (!resultType.is(TY_INVALID)) |
| 123 | 4 | return resultType; | |
| 124 | |||
| 125 | // Check primitive type combinations | ||
| 126 |
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520 | return validateBinaryOperation(node, ASSIGN_OP_RULES, std::size(ASSIGN_OP_RULES), "=", lhsType, rhsType, true, |
| 127 | 519 | ERROR_FIELD_ASSIGN); | |
| 128 | } | ||
| 129 | |||
| 130 | 49176 | QualType OpRuleManager::getAssignResultTypeCommon(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, bool isDecl, | |
| 131 | bool isReturn) { | ||
| 132 | // Retrieve types | ||
| 133 | 49176 | const QualType lhsType = lhs.type; | |
| 134 | 49176 | const QualType rhsType = rhs.type; | |
| 135 | |||
| 136 | // Allow type to ref type of the same contained type straight away | ||
| 137 |
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49176 | if (lhsType.isRef() && lhsType.getContained().matches(rhsType, false, false, true)) { |
| 138 |
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1754 | const bool isDeclOrReturn = isDecl || isReturn; |
| 139 |
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1754 | if (isDeclOrReturn && !lhsType.canBind(rhsType, rhs.isTemporary())) |
| 140 |
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3 | throw SemanticError(node, TEMP_TO_NON_CONST_REF, "Temporary values can only be bound to const reference variables/fields"); |
| 141 |
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1753 | if (isReturn && rhs.isTemporary()) |
| 142 |
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3 | throw SemanticError(node, RETURN_OF_TEMPORARY_VALUE, "Cannot return reference to temporary value"); |
| 143 | 1752 | return lhsType; | |
| 144 | } | ||
| 145 | // Allow char* = string | ||
| 146 |
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47422 | if (lhsType.isPtrTo(TY_CHAR) && rhsType.is(TY_STRING) && lhsType.getQualifiers() == rhsType.getQualifiers()) |
| 147 | 1 | return lhsType; | |
| 148 | // Allow array to pointer | ||
| 149 |
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47421 | if (lhsType.isPtr() && rhsType.isArray() && lhsType.getContained().matches(rhsType.getContained(), false, false, true)) |
| 150 | 7 | return lhsType; | |
| 151 | // Allow interface* = struct* or interface& = struct that implements this interface | ||
| 152 |
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47414 | const bool sameChainDepth = Type::hasSameTypeChainDepth(lhsType.getType(), rhsType.getType()); |
| 153 |
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47414 | const bool typesCompatible = (lhsType.isPtr() && rhsType.isPtr() && sameChainDepth) || lhsType.isRef(); |
| 154 |
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47414 | if (typesCompatible && lhsType.isBase(TY_INTERFACE) && rhsType.isBase(TY_STRUCT)) { |
| 155 | 56 | QualType lhsTypeCopy = lhsType; | |
| 156 | 56 | QualType rhsTypeCopy = rhsType; | |
| 157 |
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56 | QualType::unwrapBothWithRefWrappers(lhsTypeCopy, rhsTypeCopy); |
| 158 |
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56 | if (lhsTypeCopy.matchesInterfaceImplementedByStruct(rhsTypeCopy)) |
| 159 | 56 | return lhsType; | |
| 160 | } | ||
| 161 | // Allow type* = heap type* straight away. This is used for initializing non-owning pointers to heap allocations | ||
| 162 |
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|
47358 | if (lhsType.isPtr() && rhsType.isHeap() && lhsType.matches(rhsType, false, true, true)) { |
| 163 | 415 | TypeQualifiers rhsQualifiers = rhsType.getQualifiers(); | |
| 164 | 415 | rhsQualifiers.isHeap = false; | |
| 165 |
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415 | if (lhsType.getQualifiers() == rhsQualifiers) |
| 166 | 415 | return lhsType; | |
| 167 | } | ||
| 168 | |||
| 169 | // Nothing matched | ||
| 170 |
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46943 | return QualType(TY_INVALID); |
| 171 | } | ||
| 172 | |||
| 173 | 13099 | std::pair<QualType, Function *> OpRuleManager::performStructAssign(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 174 | const QualType &rhsType, bool isDecl, bool isReturn) const { | ||
| 175 | 13099 | const bool rhsIsRef = rhs.type.isRef(); | |
| 176 | |||
| 177 | // Check is there is an overloaded operator function available | ||
| 178 |
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13099 | if (!isDecl && !isReturn && lhs.entry->isInitialized()) { |
| 179 |
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539 | const auto [type, _] = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_ASSIGN, {lhs, rhs}, 0); |
| 180 |
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539 | if (!type.is(TY_INVALID)) |
| 181 | 400 | return {type, nullptr}; | |
| 182 | } | ||
| 183 | |||
| 184 | // If temp stealing is possible, delete any rhs anonymous entry | ||
| 185 |
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12699 | if (!rhsIsRef && rhs.isTemporary()) { |
| 186 |
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11261 | if (rhs.entry != nullptr && rhs.entry->anonymous) |
| 187 | 7964 | typeChecker->currentScope->symbolTable.deleteAnonymous(rhs.entry->name); | |
| 188 | 11261 | return {rhsType, nullptr}; | |
| 189 | } | ||
| 190 | |||
| 191 | // If RVO is possible, cancel here | ||
| 192 |
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1438 | if (!rhsIsRef && isReturn && !rhs.isTemporary()) |
| 193 | 426 | return {rhsType, nullptr}; | |
| 194 | |||
| 195 | // => We have to copy | ||
| 196 | // If struct, try to call copy ctor | ||
| 197 |
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1012 | if (rhsType.is(TY_STRUCT)) |
| 198 |
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969 | return {rhsType, typeChecker->implicitlyCallStructCopyCtor(rhsType, node)}; |
| 199 | |||
| 200 | // Perform shallow copy | ||
| 201 | 43 | return {rhsType, nullptr}; | |
| 202 | } | ||
| 203 | |||
| 204 | 1170 | ExprResult OpRuleManager::getPlusEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 205 | // Check is there is an overloaded operator function available | ||
| 206 |
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1170 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_PLUS_EQUAL, {lhs, rhs}, 0); |
| 207 |
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1170 | if (!resultType.type.is(TY_INVALID)) |
| 208 | 416 | return resultType; | |
| 209 | |||
| 210 | // Check if we try to assign a constant value | ||
| 211 |
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754 | ensureNoConstAssign(node, lhs.type); |
| 212 | |||
| 213 | // Remove reference wrappers | ||
| 214 |
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754 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 215 |
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754 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 216 | |||
| 217 | // Check if this is an unsafe operation | ||
| 218 |
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754 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 219 |
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166 | ensureUnsafeAllowed(node, "+=", lhsType, rhsType); |
| 220 | 166 | return lhs; | |
| 221 | } | ||
| 222 | |||
| 223 |
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588 | return {validateBinaryOperation(node, PLUS_EQUAL_OP_RULES, std::size(PLUS_EQUAL_OP_RULES), "+=", lhsType, rhsType)}; |
| 224 | } | ||
| 225 | |||
| 226 | 81 | ExprResult OpRuleManager::getMinusEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 227 | // Check is there is an overloaded operator function available | ||
| 228 |
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81 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MINUS_EQUAL, {lhs, rhs}, 0); |
| 229 |
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81 | if (!resultType.type.is(TY_INVALID)) |
| 230 | 7 | return resultType; | |
| 231 | |||
| 232 | // Check if we try to assign a constant value | ||
| 233 |
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74 | ensureNoConstAssign(node, lhs.type); |
| 234 | |||
| 235 | // Remove reference wrappers | ||
| 236 |
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74 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 237 |
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74 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 238 | |||
| 239 | // Check if this is an unsafe operation | ||
| 240 |
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74 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 241 |
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5 | ensureUnsafeAllowed(node, "-=", lhsType, rhsType); |
| 242 | 5 | return lhs; | |
| 243 | } | ||
| 244 | |||
| 245 |
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69 | return {validateBinaryOperation(node, MINUS_EQUAL_OP_RULES, std::size(MINUS_EQUAL_OP_RULES), "-=", lhsType, rhsType)}; |
| 246 | } | ||
| 247 | |||
| 248 | 170 | ExprResult OpRuleManager::getMulEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 249 | // Check is there is an overloaded operator function available | ||
| 250 |
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170 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MUL_EQUAL, {lhs, rhs}, 0); |
| 251 |
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170 | if (!resultType.type.is(TY_INVALID)) |
| 252 | 2 | return resultType; | |
| 253 | |||
| 254 | // Check if we try to assign a constant value | ||
| 255 |
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168 | ensureNoConstAssign(node, lhs.type); |
| 256 | |||
| 257 | // Remove reference wrappers | ||
| 258 |
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168 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 259 |
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168 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 260 | |||
| 261 |
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168 | return {validateBinaryOperation(node, MUL_EQUAL_OP_RULES, std::size(MUL_EQUAL_OP_RULES), "*=", lhsType, rhsType)}; |
| 262 | } | ||
| 263 | |||
| 264 | 104 | ExprResult OpRuleManager::getDivEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 265 | // Check is there is an overloaded operator function available | ||
| 266 |
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104 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_DIV_EQUAL, {lhs, rhs}, 0); |
| 267 |
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104 | if (!resultType.type.is(TY_INVALID)) |
| 268 | 62 | return resultType; | |
| 269 | |||
| 270 | // Check if we try to assign a constant value | ||
| 271 |
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42 | ensureNoConstAssign(node, lhs.type); |
| 272 | |||
| 273 | // Remove reference wrappers | ||
| 274 |
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42 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 275 |
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42 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 276 | |||
| 277 |
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42 | return {validateBinaryOperation(node, DIV_EQUAL_OP_RULES, std::size(DIV_EQUAL_OP_RULES), "/=", lhsType, rhsType)}; |
| 278 | } | ||
| 279 | |||
| 280 | 41 | QualType OpRuleManager::getRemEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 281 | // Check if we try to assign a constant value | ||
| 282 |
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41 | ensureNoConstAssign(node, lhs.type); |
| 283 | |||
| 284 | // Remove reference wrappers | ||
| 285 |
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41 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 286 |
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41 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 287 | |||
| 288 |
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82 | return validateBinaryOperation(node, REM_EQUAL_OP_RULES, std::size(REM_EQUAL_OP_RULES), "%=", lhsType, rhsType); |
| 289 | } | ||
| 290 | |||
| 291 | 12 | QualType OpRuleManager::getSHLEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 292 | // Check if we try to assign a constant value | ||
| 293 |
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12 | ensureNoConstAssign(node, lhs.type); |
| 294 | |||
| 295 | // Remove reference wrappers | ||
| 296 |
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12 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 297 |
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12 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 298 | |||
| 299 |
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24 | return validateBinaryOperation(node, SHL_EQUAL_OP_RULES, std::size(SHL_EQUAL_OP_RULES), "<<=", lhsType, rhsType); |
| 300 | } | ||
| 301 | |||
| 302 | 13 | QualType OpRuleManager::getSHREqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 303 | // Check if we try to assign a constant value | ||
| 304 |
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13 | ensureNoConstAssign(node, lhs.type); |
| 305 | |||
| 306 | // Remove reference wrappers | ||
| 307 |
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13 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 308 |
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13 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 309 | |||
| 310 |
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26 | return validateBinaryOperation(node, SHR_EQUAL_OP_RULES, std::size(SHR_EQUAL_OP_RULES), ">>=", lhsType, rhsType); |
| 311 | } | ||
| 312 | |||
| 313 | 17 | QualType OpRuleManager::getAndEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 314 | // Check if we try to assign a constant value | ||
| 315 |
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17 | ensureNoConstAssign(node, lhs.type); |
| 316 | |||
| 317 | // Remove reference wrappers | ||
| 318 |
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17 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 319 |
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17 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 320 | |||
| 321 |
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34 | return validateBinaryOperation(node, AND_EQUAL_OP_RULES, std::size(AND_EQUAL_OP_RULES), "&=", lhsType, rhsType); |
| 322 | } | ||
| 323 | |||
| 324 | 13 | QualType OpRuleManager::getOrEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 325 | // Check if we try to assign a constant value | ||
| 326 |
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13 | ensureNoConstAssign(node, lhs.type); |
| 327 | |||
| 328 | // Remove reference wrappers | ||
| 329 |
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13 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 330 |
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13 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 331 | |||
| 332 |
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26 | return validateBinaryOperation(node, OR_EQUAL_OP_RULES, std::size(OR_EQUAL_OP_RULES), "|=", lhsType, rhsType); |
| 333 | } | ||
| 334 | |||
| 335 | 687 | QualType OpRuleManager::getXorEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 336 | // Check if we try to assign a constant value | ||
| 337 |
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687 | ensureNoConstAssign(node, lhs.type); |
| 338 | |||
| 339 | // Remove reference wrappers | ||
| 340 |
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687 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 341 |
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687 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 342 | |||
| 343 |
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1374 | return validateBinaryOperation(node, XOR_EQUAL_OP_RULES, std::size(XOR_EQUAL_OP_RULES), "^=", lhsType, rhsType); |
| 344 | } | ||
| 345 | |||
| 346 | 2447 | QualType OpRuleManager::getLogicalOrResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 347 | // Remove reference wrappers | ||
| 348 |
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2447 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 349 |
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2447 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 350 | |||
| 351 |
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4893 | return validateBinaryOperation(node, LOGICAL_OR_OP_RULES, std::size(LOGICAL_OR_OP_RULES), "||", lhsType, rhsType); |
| 352 | } | ||
| 353 | |||
| 354 | 1523 | QualType OpRuleManager::getLogicalAndResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 355 | // Remove reference wrappers | ||
| 356 |
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1523 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 357 |
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1523 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 358 | |||
| 359 |
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3046 | return validateBinaryOperation(node, LOGICAL_AND_OP_RULES, std::size(LOGICAL_AND_OP_RULES), "&&", lhsType, rhsType); |
| 360 | } | ||
| 361 | |||
| 362 | 280 | ExprResult OpRuleManager::getBitwiseOrResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 363 | size_t opIdx) const { | ||
| 364 | // Check if there is an overloaded operator function available | ||
| 365 |
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280 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_BITWISE_OR, {lhs, rhs}, opIdx); |
| 366 |
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280 | if (!resultType.type.is(TY_INVALID)) |
| 367 | 4 | return resultType; | |
| 368 | |||
| 369 | // Remove reference wrappers | ||
| 370 |
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276 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 371 |
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276 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 372 | |||
| 373 |
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276 | return {validateBinaryOperation(node, BITWISE_OR_OP_RULES, std::size(BITWISE_OR_OP_RULES), "|", lhsType, rhsType)}; |
| 374 | } | ||
| 375 | |||
| 376 | 41 | ExprResult OpRuleManager::getBitwiseXorResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 377 | size_t opIdx) const { | ||
| 378 | // Check if there is an overloaded operator function available | ||
| 379 |
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41 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_BITWISE_XOR, {lhs, rhs}, opIdx); |
| 380 |
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41 | if (!resultType.type.is(TY_INVALID)) |
| 381 | 3 | return resultType; | |
| 382 | |||
| 383 | // Remove reference wrappers | ||
| 384 |
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38 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 385 |
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38 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 386 | |||
| 387 |
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38 | return {validateBinaryOperation(node, BITWISE_XOR_OP_RULES, std::size(BITWISE_XOR_OP_RULES), "^", lhsType, rhsType)}; |
| 388 | } | ||
| 389 | |||
| 390 | 73 | ExprResult OpRuleManager::getBitwiseAndResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 391 | size_t opIdx) const { | ||
| 392 | // Check if there is an overloaded operator function available | ||
| 393 |
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73 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_BITWISE_AND, {lhs, rhs}, opIdx); |
| 394 |
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73 | if (!resultType.type.is(TY_INVALID)) |
| 395 | 4 | return resultType; | |
| 396 | |||
| 397 | // Remove reference wrappers | ||
| 398 |
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69 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 399 |
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69 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 400 | |||
| 401 |
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|
69 | return {validateBinaryOperation(node, BITWISE_AND_OP_RULES, std::size(BITWISE_AND_OP_RULES), "&", lhsType, rhsType)}; |
| 402 | } | ||
| 403 | |||
| 404 | 13528 | ExprResult OpRuleManager::getEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 405 | // Check is there is an overloaded operator function available | ||
| 406 |
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|
13528 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_EQUAL, {lhs, rhs}, 0); |
| 407 |
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|
13528 | if (!resultType.type.is(TY_INVALID)) |
| 408 | 1294 | return resultType; | |
| 409 | |||
| 410 | // Remove reference wrappers | ||
| 411 |
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12234 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 412 |
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12234 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 413 | |||
| 414 | // Allow 'pointer == unsigned long' straight away | ||
| 415 |
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|
12234 | if (lhsType.isPtr() && rhsType.is(TY_LONG) && rhsType.isUnsigned()) |
| 416 |
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|
1 | return ExprResult(QualType(TY_BOOL)); |
| 417 | |||
| 418 | // Allow 'string == char*' and vice versa straight away | ||
| 419 |
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|
12233 | if ((lhsType.is(TY_STRING) && rhsType.isPtrTo(TY_CHAR)) || (lhsType.isPtrTo(TY_CHAR) && rhsType.is(TY_STRING))) |
| 420 | ✗ | return ExprResult(QualType(TY_BOOL)); | |
| 421 | |||
| 422 | // Check primitive type combinations | ||
| 423 |
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|
12233 | return ExprResult(validateBinaryOperation(node, EQUAL_OP_RULES, std::size(EQUAL_OP_RULES), "==", lhsType, rhsType)); |
| 424 | } | ||
| 425 | |||
| 426 | 3563 | ExprResult OpRuleManager::getNotEqualResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) const { | |
| 427 | // Check is there is an overloaded operator function available | ||
| 428 |
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|
3563 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_NOT_EQUAL, {lhs, rhs}, 0); |
| 429 |
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|
3563 | if (!resultType.type.is(TY_INVALID)) |
| 430 | 71 | return resultType; | |
| 431 | |||
| 432 | // Remove reference wrappers | ||
| 433 |
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3492 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 434 |
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3492 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 435 | |||
| 436 | // Allow 'pointer != unsigned long' straight away | ||
| 437 |
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|
3492 | if (lhsType.isPtr() && rhsType.is(TY_LONG) && rhsType.isUnsigned()) |
| 438 |
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1 | return ExprResult(QualType(TY_BOOL)); |
| 439 | |||
| 440 | // Allow 'string != char*' and vice versa straight away | ||
| 441 |
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|
3491 | if ((lhsType.is(TY_STRING) && rhsType.isPtrTo(TY_CHAR)) || (lhsType.isPtrTo(TY_CHAR) && rhsType.is(TY_STRING))) |
| 442 |
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23 | return ExprResult(QualType(TY_BOOL)); |
| 443 | |||
| 444 | // Check primitive type combinations | ||
| 445 |
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|
3468 | return ExprResult(validateBinaryOperation(node, NOT_EQUAL_OP_RULES, std::size(NOT_EQUAL_OP_RULES), "!=", lhsType, rhsType)); |
| 446 | } | ||
| 447 | |||
| 448 | 4282 | QualType OpRuleManager::getLessResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 449 | // Remove reference wrappers | ||
| 450 |
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4282 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 451 |
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4282 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 452 | |||
| 453 |
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|
8564 | return validateBinaryOperation(node, LESS_OP_RULES, std::size(LESS_OP_RULES), "<", lhsType, rhsType); |
| 454 | } | ||
| 455 | |||
| 456 | 1715 | QualType OpRuleManager::getGreaterResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 457 | // Remove reference wrappers | ||
| 458 |
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1715 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 459 |
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1715 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 460 | |||
| 461 |
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|
3429 | return validateBinaryOperation(node, GREATER_OP_RULES, std::size(GREATER_OP_RULES), ">", lhsType, rhsType); |
| 462 | } | ||
| 463 | |||
| 464 | 1222 | QualType OpRuleManager::getLessEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 465 | // Remove reference wrappers | ||
| 466 |
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1222 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 467 |
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1222 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 468 | |||
| 469 |
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2444 | return validateBinaryOperation(node, LESS_EQUAL_OP_RULES, std::size(LESS_EQUAL_OP_RULES), "<=", lhsType, rhsType); |
| 470 | } | ||
| 471 | |||
| 472 | 2016 | QualType OpRuleManager::getGreaterEqualResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 473 | // Remove reference wrappers | ||
| 474 |
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2016 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 475 |
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2016 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 476 | |||
| 477 | // Allow 'pointer == pointer' straight away | ||
| 478 |
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2016 | if (lhsType.isPtr() && rhsType.isPtr()) |
| 479 |
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|
4 | return QualType(TY_BOOL); |
| 480 | |||
| 481 |
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2012 | return validateBinaryOperation(node, GREATER_EQUAL_OP_RULES, std::size(GREATER_EQUAL_OP_RULES), ">=", lhsType, rhsType); |
| 482 | } | ||
| 483 | |||
| 484 | 2098 | ExprResult OpRuleManager::getShiftLeftResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 485 | size_t opIdx) const { | ||
| 486 | // Check is there is an overloaded operator function available | ||
| 487 |
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2098 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_SHL, {lhs, rhs}, opIdx); |
| 488 |
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2098 | if (!resultType.type.is(TY_INVALID)) |
| 489 | 2048 | return resultType; | |
| 490 | |||
| 491 | // Remove reference wrappers | ||
| 492 |
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50 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 493 |
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50 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 494 | |||
| 495 |
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50 | return {validateBinaryOperation(node, SHIFT_LEFT_OP_RULES, std::size(SHIFT_LEFT_OP_RULES), "<<", lhsType, rhsType)}; |
| 496 | } | ||
| 497 | |||
| 498 | 189 | ExprResult OpRuleManager::getShiftRightResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, | |
| 499 | size_t opIdx) const { | ||
| 500 | // Check is there is an overloaded operator function available | ||
| 501 |
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189 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_SHR, {lhs, rhs}, opIdx); |
| 502 |
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189 | if (!resultType.type.is(TY_INVALID)) |
| 503 | 1 | return resultType; | |
| 504 | |||
| 505 | // Remove reference wrappers | ||
| 506 |
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188 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 507 |
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188 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 508 | |||
| 509 |
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|
188 | return {validateBinaryOperation(node, SHIFT_RIGHT_OP_RULES, std::size(SHIFT_RIGHT_OP_RULES), ">>", lhsType, rhsType)}; |
| 510 | } | ||
| 511 | |||
| 512 | 6782 | ExprResult OpRuleManager::getPlusResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 513 | // Check is there is an overloaded operator function available | ||
| 514 |
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|
6782 | const ExprResult result = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_PLUS, {lhs, rhs}, opIdx); |
| 515 |
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|
6782 | if (!result.type.is(TY_INVALID)) |
| 516 | 593 | return result; | |
| 517 | |||
| 518 | // Remove reference wrappers | ||
| 519 |
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|
6189 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 520 |
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|
6189 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 521 | |||
| 522 | // Allow any* + <int/long/short> | ||
| 523 |
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6189 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 524 |
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927 | ensureUnsafeAllowed(node, "+", lhsType, rhsType); |
| 525 | 927 | return {lhsType}; | |
| 526 | } | ||
| 527 | // Allow <int/long/short> + any* | ||
| 528 |
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|
5262 | if (lhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT}) && rhsType.isPtr()) { |
| 529 | ✗ | ensureUnsafeAllowed(node, "+", lhsType, rhsType); | |
| 530 | ✗ | return {rhsType}; | |
| 531 | } | ||
| 532 | |||
| 533 |
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5262 | return {validateBinaryOperation(node, PLUS_OP_RULES, std::size(PLUS_OP_RULES), "+", lhsType, rhsType)}; |
| 534 | } | ||
| 535 | |||
| 536 | 3828 | ExprResult OpRuleManager::getMinusResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 537 | // Check is there is an overloaded operator function available | ||
| 538 |
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3828 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MINUS, {lhs, rhs}, opIdx); |
| 539 |
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3828 | if (!resultType.type.is(TY_INVALID)) |
| 540 | 1 | return resultType; | |
| 541 | |||
| 542 | // Remove reference wrappers | ||
| 543 |
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3827 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 544 |
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3827 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 545 | |||
| 546 | // Allow any* - <int/long/short> | ||
| 547 |
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3827 | if (lhsType.isPtr() && rhsType.isOneOf({TY_INT, TY_LONG, TY_SHORT})) { |
| 548 |
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3 | ensureUnsafeAllowed(node, "-", lhsType, rhsType); |
| 549 | 3 | return lhs; | |
| 550 | } | ||
| 551 | |||
| 552 |
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|
3824 | return {validateBinaryOperation(node, MINUS_OP_RULES, std::size(MINUS_OP_RULES), "-", lhsType, rhsType)}; |
| 553 | } | ||
| 554 | |||
| 555 | 2343 | ExprResult OpRuleManager::getMulResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 556 | // Check is there is an overloaded operator function available | ||
| 557 |
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|
2343 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_MUL, {lhs, rhs}, opIdx); |
| 558 |
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2343 | if (!resultType.type.is(TY_INVALID)) |
| 559 | 9 | return resultType; | |
| 560 | |||
| 561 | // Remove reference wrappers | ||
| 562 |
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2334 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 563 |
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2334 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 564 | |||
| 565 |
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|
2334 | return {validateBinaryOperation(node, MUL_OP_RULES, std::size(MUL_OP_RULES), "*", lhsType, rhsType)}; |
| 566 | } | ||
| 567 | |||
| 568 | 518 | ExprResult OpRuleManager::getDivResultType(ASTNode *node, const ExprResult &lhs, const ExprResult &rhs, size_t opIdx) const { | |
| 569 | // Check is there is an overloaded operator function available | ||
| 570 |
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518 | const ExprResult resultType = isOperatorOverloadingFctAvailable<2>(node, OP_FCT_DIV, {lhs, rhs}, opIdx); |
| 571 |
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518 | if (!resultType.type.is(TY_INVALID)) |
| 572 | 5 | return resultType; | |
| 573 | |||
| 574 | // Remove reference wrappers | ||
| 575 |
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513 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 576 |
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513 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 577 | |||
| 578 |
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|
513 | return {validateBinaryOperation(node, DIV_OP_RULES, std::size(DIV_OP_RULES), "/", lhsType, rhsType)}; |
| 579 | } | ||
| 580 | |||
| 581 | 128 | ExprResult OpRuleManager::getRemResultType(const ASTNode *node, const ExprResult &lhs, const ExprResult &rhs) { | |
| 582 | // Remove reference wrappers | ||
| 583 |
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128 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 584 |
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128 | const QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 585 | |||
| 586 |
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128 | return {validateBinaryOperation(node, REM_OP_RULES, std::size(REM_OP_RULES), "%", lhsType, rhsType)}; |
| 587 | } | ||
| 588 | |||
| 589 | 1004 | QualType OpRuleManager::getPrefixMinusResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 590 | // Remove reference wrappers | ||
| 591 |
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1004 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 592 | |||
| 593 |
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|
2008 | return validateUnaryOperation(node, PREFIX_MINUS_OP_RULES, std::size(PREFIX_MINUS_OP_RULES), "-", lhsType); |
| 594 | } | ||
| 595 | |||
| 596 | 88 | QualType OpRuleManager::getPrefixPlusPlusResultType(const ASTNode *node, const ExprResult &lhs) const { | |
| 597 | // Check if we try to assign a constant value | ||
| 598 |
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88 | ensureNoConstAssign(node, lhs.type); |
| 599 | |||
| 600 | // Remove reference wrappers | ||
| 601 |
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88 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 602 | |||
| 603 | // Check if this is an unsafe operation | ||
| 604 |
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|
88 | if (lhsType.isPtr()) { |
| 605 | ✗ | ensureUnsafeAllowed(node, "++", lhsType); | |
| 606 | ✗ | return lhsType; | |
| 607 | } | ||
| 608 | |||
| 609 |
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|
88 | return validateUnaryOperation(node, PREFIX_PLUS_PLUS_OP_RULES, std::size(PREFIX_PLUS_PLUS_OP_RULES), "++", lhsType); |
| 610 | } | ||
| 611 | |||
| 612 | 16 | QualType OpRuleManager::getPrefixMinusMinusResultType(const ASTNode *node, const ExprResult &lhs) const { | |
| 613 | // Check if we try to assign a constant value | ||
| 614 |
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16 | ensureNoConstAssign(node, lhs.type); |
| 615 | |||
| 616 | // Remove reference wrappers | ||
| 617 |
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16 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 618 | |||
| 619 | // Check if this is an unsafe operation | ||
| 620 |
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|
16 | if (lhsType.isPtr()) { |
| 621 | ✗ | ensureUnsafeAllowed(node, "--", lhsType); | |
| 622 | ✗ | return lhsType; | |
| 623 | } | ||
| 624 | |||
| 625 |
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16 | return validateUnaryOperation(node, PREFIX_MINUS_MINUS_OP_RULES, std::size(PREFIX_MINUS_MINUS_OP_RULES), "--", lhsType); |
| 626 | } | ||
| 627 | |||
| 628 | 3550 | QualType OpRuleManager::getPrefixNotResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 629 | // Remove reference wrappers | ||
| 630 |
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3550 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 631 | |||
| 632 |
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|
7100 | return validateUnaryOperation(node, PREFIX_NOT_OP_RULES, std::size(PREFIX_NOT_OP_RULES), "!", lhsType); |
| 633 | } | ||
| 634 | |||
| 635 | 12 | ExprResult OpRuleManager::getPrefixBitwiseNotResultType(ASTNode *node, const ExprResult &lhs) const { | |
| 636 | // Check if there is an overloaded operator function available | ||
| 637 |
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12 | const ExprResult resultType = isOperatorOverloadingFctAvailable<1>(node, OP_FCT_BITWISE_NOT, {lhs}, 0); |
| 638 |
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12 | if (!resultType.type.is(TY_INVALID)) |
| 639 | 2 | return resultType; | |
| 640 | |||
| 641 | // Remove reference wrappers | ||
| 642 |
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10 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 643 | |||
| 644 |
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10 | return {validateUnaryOperation(node, PREFIX_BITWISE_NOT_OP_RULES, std::size(PREFIX_BITWISE_NOT_OP_RULES), "~", lhsType)}; |
| 645 | } | ||
| 646 | |||
| 647 | 917 | QualType OpRuleManager::getPrefixMulResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 648 | // Remove reference wrappers | ||
| 649 |
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917 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 650 | |||
| 651 |
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917 | if (!lhsType.isPtr()) |
| 652 |
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|
1 | throw SemanticError(node, OPERATOR_WRONG_DATA_TYPE, "Cannot apply de-referencing operator on type " + lhsType.getName(true)); |
| 653 |
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|
1832 | return lhsType.getContained(); |
| 654 | } | ||
| 655 | |||
| 656 | 770 | QualType OpRuleManager::getPrefixBitwiseAndResultType(const ASTNode *node, const ExprResult &lhs) { | |
| 657 | // Remove reference wrappers | ||
| 658 |
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770 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 659 | |||
| 660 |
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|
1540 | return lhsType.toPtr(node); |
| 661 | } | ||
| 662 | |||
| 663 | 4628 | ExprResult OpRuleManager::getPostfixPlusPlusResultType(ASTNode *node, const ExprResult &lhs) const { | |
| 664 | // Check is there is an overloaded operator function available | ||
| 665 |
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4628 | const ExprResult resultType = isOperatorOverloadingFctAvailable<1>(node, OP_FCT_POSTFIX_PLUS_PLUS, {lhs}, 0); |
| 666 |
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|
4627 | if (!resultType.type.is(TY_INVALID)) |
| 667 | 9 | return resultType; | |
| 668 | |||
| 669 | // Check if we try to assign a constant value | ||
| 670 |
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|
4618 | ensureNoConstAssign(node, lhs.type); |
| 671 | |||
| 672 | // Remove reference wrappers | ||
| 673 |
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|
4618 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 674 | |||
| 675 | // Check if this is an unsafe operation | ||
| 676 |
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4618 | if (lhsType.isPtr()) { |
| 677 |
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25 | ensureUnsafeAllowed(node, "++", lhsType); |
| 678 | 25 | return lhs; | |
| 679 | } | ||
| 680 | |||
| 681 |
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|
4593 | return {validateUnaryOperation(node, POSTFIX_PLUS_PLUS_OP_RULES, std::size(POSTFIX_PLUS_PLUS_OP_RULES), "++", lhsType)}; |
| 682 | } | ||
| 683 | |||
| 684 | 451 | ExprResult OpRuleManager::getPostfixMinusMinusResultType(ASTNode *node, const ExprResult &lhs) const { | |
| 685 | // Check is there is an overloaded operator function available | ||
| 686 |
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|
451 | const ExprResult resultType = isOperatorOverloadingFctAvailable<1>(node, OP_FCT_POSTFIX_MINUS_MINUS, {lhs}, 0); |
| 687 |
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|
451 | if (!resultType.type.is(TY_INVALID)) |
| 688 | 7 | return resultType; | |
| 689 | |||
| 690 | // Check if we try to assign a constant value | ||
| 691 |
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|
444 | ensureNoConstAssign(node, lhs.type); |
| 692 | |||
| 693 | // Remove reference wrappers | ||
| 694 |
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|
444 | const QualType lhsType = lhs.type.removeReferenceWrapper(); |
| 695 | |||
| 696 | // Check if this is an unsafe operation | ||
| 697 |
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444 | if (lhsType.isPtr()) { |
| 698 |
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|
2 | ensureUnsafeAllowed(node, "--", lhsType); |
| 699 | 2 | return lhs; | |
| 700 | } | ||
| 701 | |||
| 702 |
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|
442 | return {validateUnaryOperation(node, POSTFIX_MINUS_MINUS_OP_RULES, std::size(POSTFIX_MINUS_MINUS_OP_RULES), "--", lhsType)}; |
| 703 | } | ||
| 704 | |||
| 705 | 8154 | QualType OpRuleManager::getCastResultType(const ASTNode *node, QualType lhsType, const ExprResult &rhs) const { | |
| 706 | // Remove reference wrappers | ||
| 707 |
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|
8154 | lhsType = lhsType.removeReferenceWrapper(); |
| 708 |
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|
8154 | QualType rhsType = rhs.type.removeReferenceWrapper(); |
| 709 | |||
| 710 | // Only allow to cast the 'heap' qualifier away, if we are in unsafe mode | ||
| 711 |
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|
8154 | if (lhsType.getQualifiers().isHeap != rhsType.getQualifiers().isHeap) |
| 712 |
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348 | ensureUnsafeAllowed(node, "(cast)", lhsType, rhsType); |
| 713 | |||
| 714 | // Allow identity casts | ||
| 715 |
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|
8154 | if (lhsType.matches(rhsType, false, true, true)) |
| 716 | 882 | return lhsType; | |
| 717 | // Allow casts string -> char* and string -> char[] | ||
| 718 |
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|
7272 | if (lhsType.isOneOf({TY_PTR, TY_ARRAY}) && lhsType.getContained().is(TY_CHAR) && rhsType.is(TY_STRING)) |
| 719 | 1654 | return lhsType; | |
| 720 | // Allow casts char* -> string and char[] -> string | ||
| 721 |
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|
5618 | if (lhsType.is(TY_STRING) && rhsType.isOneOf({TY_PTR, TY_ARRAY}) && rhsType.getContained().is(TY_CHAR)) |
| 722 | 156 | return lhsType; | |
| 723 | // Allow safe upcasts baseStruct* <- derivedStruct* and interface* <- struct* without requiring an unsafe | ||
| 724 | // block. These are the only struct-pointer casts where the target subobject is guaranteed to be present; | ||
| 725 | // the IR generator advances the pointer to that subobject (past any vtable prefix). The reverse direction | ||
| 726 | // (down/sibling casts) is not covered here and still falls through to the unsafe any* -> any* rule below. | ||
| 727 |
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5462 | if (lhsType.isPtr() && rhsType.isPtr()) { |
| 728 |
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2483 | const QualType lhsContained = lhsType.getContained(); |
| 729 |
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2483 | const QualType rhsContained = rhsType.getContained(); |
| 730 |
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|
2483 | if (lhsContained.matchesInterfaceImplementedByStruct(rhsContained) || lhsContained.matchesComposedBaseOfStruct(rhsContained)) |
| 731 | 469 | return lhsType; | |
| 732 | } | ||
| 733 | // Allow casts any* -> any* | ||
| 734 |
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|
4993 | if (lhsType.isOneOf({TY_PTR, TY_STRING}) && rhsType.isOneOf({TY_PTR, TY_STRING})) { |
| 735 |
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2014 | ensureUnsafeAllowed(node, "(cast)", lhsType, rhsType); |
| 736 | 2014 | return lhsType; | |
| 737 | } | ||
| 738 | // Allow casts p()/f<>() -> byte* | ||
| 739 |
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|
2979 | if (lhsType.isPtrTo(TY_BYTE) && rhsType.isOneOf({TY_FUNCTION, TY_PROCEDURE})) { |
| 740 |
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8 | ensureUnsafeAllowed(node, "(cast)", lhsType, rhsType); |
| 741 | 8 | return lhsType; | |
| 742 | } | ||
| 743 | // Check primitive type combinations | ||
| 744 |
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2971 | return validateBinaryOperation(node, CAST_OP_RULES, std::size(CAST_OP_RULES), "(cast)", lhsType, rhsType, true); |
| 745 | } | ||
| 746 | |||
| 747 | template <size_t N> | ||
| 748 | 47228 | ExprResult OpRuleManager::isOperatorOverloadingFctAvailable(ASTNode *node, const char *const fctName, | |
| 749 | const std::array<ExprResult, N> &op, size_t opIdx) const { | ||
| 750 | static_assert(N == 1 || N == 2, "Only unary and binary operators are overloadable"); | ||
| 751 | 47228 | Scope *calleeParentScope = nullptr; | |
| 752 | 47228 | const Function *callee = nullptr; | |
| 753 |
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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|
1189776 | for (const auto &sourceFile : typeChecker->resourceManager.sourceFiles | std::views::values) { |
| 754 | // Check if there is a registered operator function | ||
| 755 |
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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|
2280006 | if (!sourceFile->getNameRegistryEntry(fctName)) |
| 756 | 419323 | continue; | |
| 757 | |||
| 758 | // Match callees in the global scope of this source file | ||
| 759 | 340679 | calleeParentScope = sourceFile->globalScope.get(); | |
| 760 |
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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|
340679 | const QualType thisType(TY_DYN); |
| 761 |
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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|
681358 | ArgList args(N); |
| 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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|
340679 | args[0] = {typeChecker->mapLocalTypeToImportedScopeType(calleeParentScope, op[0].type), op[0].isTemporary()}; |
| 763 | if constexpr (N == 2) | ||
| 764 |
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322789 | args[1] = {typeChecker->mapLocalTypeToImportedScopeType(calleeParentScope, op[1].type), op[1].isTemporary()}; |
| 765 |
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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|
1022037 | callee = FunctionManager::match(calleeParentScope, fctName, thisType, args, {}, false, node); |
| 766 |
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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|
340679 | if (callee) |
| 767 | 5361 | break; | |
| 768 | } | ||
| 769 | |||
| 770 | // Return invalid type if the callee was not found | ||
| 771 |
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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|
47228 | if (!callee) |
| 772 | 41867 | return ExprResult(QualType(TY_INVALID)); | |
| 773 |
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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5361 | assert(calleeParentScope != nullptr); |
| 774 | |||
| 775 | // Save the pointer to the operator function in the AST node | ||
| 776 | 5361 | std::vector<const Function *> &opFctPointers = typeChecker->getOpFctPointers(node); | |
| 777 |
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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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5361 | if (opFctPointers.size() <= opIdx) |
| 778 |
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); |
| 779 | 5361 | opFctPointers.at(opIdx) = callee; | |
| 780 | |||
| 781 | // Check if we need to request a re-visit, because the function body was not type-checked yet | ||
| 782 | 5361 | TypeChecker::requestRevisitIfRequired(callee); | |
| 783 | |||
| 784 | // Check if the called function has sufficient visibility | ||
| 785 |
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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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5361 | const bool isImported = calleeParentScope != nullptr && calleeParentScope->isImportedBy(typeChecker->rootScope); |
| 786 | 5361 | const SymbolTableEntry *calleeEntry = callee->entry; | |
| 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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5361 | if (isImported && !calleeEntry->getQualType().isPublic()) |
| 788 |
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, |
| 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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2 | "Overloaded operator '" + callee->getSignature() + "' has insufficient visibility"); |
| 790 | |||
| 791 | // Procedures always have the return type 'bool' | ||
| 792 |
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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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5360 | if (callee->isProcedure()) |
| 793 | 901 | return ExprResult(QualType(TY_BOOL)); | |
| 794 | 4459 | const QualType &returnType = callee->returnType; | |
| 795 | |||
| 796 | // Add anonymous symbol to keep track of dtor call, if non-trivially destructible | ||
| 797 | 4459 | SymbolTableEntry *anonymousSymbol = nullptr; | |
| 798 |
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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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4459 | if (returnType.is(TY_STRUCT) && !returnType.isTriviallyDestructible(node)) |
| 799 | 611 | anonymousSymbol = typeChecker->currentScope->symbolTable.insertAnonymous(returnType, node, opIdx); | |
| 800 | |||
| 801 | 4459 | return {typeChecker->mapImportedScopeTypeToLocalType(calleeParentScope, returnType), anonymousSymbol}; | |
| 802 | } | ||
| 803 | |||
| 804 | 9703 | QualType OpRuleManager::validateUnaryOperation(const ASTNode *node, const UnaryOpRule opRules[], size_t opRulesSize, | |
| 805 | const char *name, const QualType &lhs) { | ||
| 806 |
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20628 | for (size_t i = 0; i < opRulesSize; i++) { |
| 807 | 20626 | const UnaryOpRule &rule = opRules[i]; | |
| 808 |
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20626 | if (std::get<0>(rule) == lhs.getSuperType()) |
| 809 |
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9701 | return QualType(std::get<1>(rule)); |
| 810 | } | ||
| 811 |
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2 | throw getExceptionUnary(node, name, lhs); |
| 812 | } | ||
| 813 | |||
| 814 | 93148 | QualType OpRuleManager::validateBinaryOperation(const ASTNode *node, const BinaryOpRule opRules[], size_t opRulesSize, | |
| 815 | const char *name, const QualType &lhs, const QualType &rhs, | ||
| 816 | bool preserveQualifiersFromLhs, const char *customMessagePrefix) { | ||
| 817 |
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917460 | for (size_t i = 0; i < opRulesSize; i++) { |
| 818 | 917440 | const BinaryOpRule &rule = opRules[i]; | |
| 819 |
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917440 | if (std::get<0>(rule) == lhs.getSuperType() && std::get<1>(rule) == rhs.getSuperType()) { |
| 820 |
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93128 | QualType resultType((std::get<2>(rule))); |
| 821 |
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93128 | if (preserveQualifiersFromLhs) |
| 822 | 49900 | resultType.setQualifiers(lhs.getQualifiers()); | |
| 823 | 93128 | return resultType; | |
| 824 | } | ||
| 825 | } | ||
| 826 |
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20 | throw getExceptionBinary(node, name, lhs, rhs, customMessagePrefix); |
| 827 | } | ||
| 828 | |||
| 829 | 2 | SemanticError OpRuleManager::getExceptionUnary(const ASTNode *node, const char *name, const QualType &lhs) { | |
| 830 |
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8 | return {node, OPERATOR_WRONG_DATA_TYPE, "Cannot apply '" + std::string(name) + "' operator on type " + lhs.getName(true)}; |
| 831 | } | ||
| 832 | |||
| 833 | 20 | SemanticError OpRuleManager::getExceptionBinary(const ASTNode *node, const char *name, const QualType &lhs, const QualType &rhs, | |
| 834 | const char *messagePrefix) { | ||
| 835 | // Build error message | ||
| 836 |
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20 | std::stringstream errorMsg; |
| 837 |
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20 | if (strlen(messagePrefix) != 0) |
| 838 |
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4 | errorMsg << messagePrefix << ". Expected " << lhs.getName(true) << " but got " << rhs.getName(true); |
| 839 | else | ||
| 840 |
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16 | errorMsg << "Cannot apply '" << name << "' operator on types " << lhs.getName(true) << " and " << rhs.getName(true); |
| 841 | |||
| 842 | // Return the exception | ||
| 843 |
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60 | return {node, OPERATOR_WRONG_DATA_TYPE, errorMsg.str()}; |
| 844 | 20 | } | |
| 845 | |||
| 846 | 27 | void OpRuleManager::ensureUnsafeAllowed(const ASTNode *node, const char *name, const QualType &lhs) const { | |
| 847 |
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27 | if (typeChecker->currentScope->doesAllowUnsafeOperations()) |
| 848 | 27 | return; | |
| 849 | // Print error message | ||
| 850 | ✗ | const std::string lhsName = lhs.getName(true); | |
| 851 | ✗ | const std::string errorMsg = "Cannot apply '" + std::string(name) + "' operator on type " + lhsName + | |
| 852 | ✗ | " as this is an unsafe operation. Please use unsafe blocks if you know what you are doing."; | |
| 853 | ✗ | SOFT_ERROR_VOID(node, UNSAFE_OPERATION_IN_SAFE_CONTEXT, errorMsg) | |
| 854 | ✗ | } | |
| 855 | |||
| 856 | 3471 | void OpRuleManager::ensureUnsafeAllowed(const ASTNode *node, const char *name, const QualType &lhs, const QualType &rhs) const { | |
| 857 |
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3471 | if (typeChecker->currentScope->doesAllowUnsafeOperations()) |
| 858 | 3470 | return; | |
| 859 | // Print error message | ||
| 860 |
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1 | const std::string lhsName = lhs.getName(true); |
| 861 |
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1 | const std::string rhsName = rhs.getName(true); |
| 862 |
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3 | const std::string errorMsg = "Cannot apply '" + std::string(name) + "' operator on types " + lhsName + " and " + rhsName + |
| 863 |
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1 | " as this is an unsafe operation. Please use unsafe blocks if you know what you are doing."; |
| 864 |
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1 | SOFT_ERROR_VOID(node, UNSAFE_OPERATION_IN_SAFE_CONTEXT, errorMsg) |
| 865 | 1 | } | |
| 866 | |||
| 867 | 83412 | void OpRuleManager::ensureNoConstAssign(const ASTNode *node, const QualType &lhs, bool isDecl, bool isReturn) const { | |
| 868 | // Check if we try to assign a constant value | ||
| 869 |
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83412 | if (lhs.removeReferenceWrapper().isConst() && !isDecl && !isReturn) { |
| 870 |
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14 | const std::string errorMessage = "Trying to assign value to an immutable variable of type " + lhs.getName(true); |
| 871 |
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14 | SOFT_ERROR_VOID(node, REASSIGN_CONST_VARIABLE, errorMessage); |
| 872 | 14 | } | |
| 873 | } | ||
| 874 | |||
| 875 | } // namespace spice::compiler | ||
| 876 |