[af746cc] | 1 | #include "AST/Create.hpp" |
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| 2 | #include "AST/Pass.hpp" |
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| 3 | #include "AST/TranslationUnit.hpp" |
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| 4 | #include "CodeGen/OperatorTable.h" // for isCtorDtor, isCtorDtorAssign |
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| 5 | #include "InitTweak/InitTweak.h" // for isAssignment, isCopyConstructor |
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| 6 | namespace Validate { |
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| 7 | |
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| 8 | namespace { |
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| 9 | class EnumAttrFuncGenerator { |
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| 10 | const ast::EnumDecl* decl; |
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| 11 | const ast::EnumInstType* instType; |
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| 12 | // const ast::EnumAttrType* attrType; |
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| 13 | unsigned int functionNesting; |
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| 14 | ast::Linkage::Spec proto_linkage; |
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| 15 | |
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| 16 | public: |
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| 17 | std::list<ast::ptr<ast::Decl>> forwards; |
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| 18 | std::list<ast::ptr<ast::Decl>> definitions; |
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| 19 | |
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| 20 | void generateAndAppendFunctions(std::list<ast::ptr<ast::Decl>>&); |
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| 21 | |
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| 22 | EnumAttrFuncGenerator(const ast::EnumDecl* decl, |
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| 23 | const ast::EnumInstType* instType, |
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| 24 | // const ast::EnumAttrType* enumAttrType, |
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| 25 | unsigned int functionNesting) |
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| 26 | : decl(decl), |
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| 27 | instType{instType}, |
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| 28 | // attrType{enumAttrType}, |
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| 29 | functionNesting{functionNesting}, |
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| 30 | proto_linkage{ast::Linkage::Cforall} {} |
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| 31 | |
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| 32 | void genAttrFunctions(); |
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| 33 | void genSuccPredPosn(); |
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| 34 | void genSuccPredDecl(); |
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| 35 | |
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| 36 | void appendReturnThis(ast::FunctionDecl* decl) { |
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| 37 | assert(1 <= decl->params.size()); |
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| 38 | assert(1 == decl->returns.size()); |
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| 39 | assert(decl->stmts); |
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| 40 | |
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| 41 | const CodeLocation& location = (decl->stmts->kids.empty()) |
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| 42 | ? decl->stmts->location |
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| 43 | : decl->stmts->kids.back()->location; |
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| 44 | const ast::DeclWithType* thisParam = decl->params.front(); |
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| 45 | decl->stmts.get_and_mutate()->push_back(new ast::ReturnStmt( |
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| 46 | location, new ast::VariableExpr(location, thisParam))); |
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| 47 | } |
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| 48 | void genAttrStandardFuncs() { |
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| 49 | ast::FunctionDecl* (EnumAttrFuncGenerator::*standardProtos[4])() |
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| 50 | const = {&EnumAttrFuncGenerator::genCtorProto, |
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| 51 | &EnumAttrFuncGenerator::genCopyProto, |
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| 52 | &EnumAttrFuncGenerator::genDtorProto, |
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| 53 | &EnumAttrFuncGenerator::genAssignProto}; |
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| 54 | for (auto& generator : standardProtos) { |
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| 55 | ast::FunctionDecl* decl = (this->*generator)(); |
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| 56 | produceForwardDecl(decl); |
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| 57 | genFuncBody(decl); |
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| 58 | if (CodeGen::isAssignment(decl->name)) { |
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| 59 | appendReturnThis(decl); |
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| 60 | } |
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| 61 | produceDecl(decl); |
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| 62 | } |
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| 63 | } |
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| 64 | |
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| 65 | private: |
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| 66 | const CodeLocation& getLocation() const { return decl->location; } |
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| 67 | |
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| 68 | ast::FunctionDecl* genProto( |
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| 69 | std::string&& name, std::vector<ast::ptr<ast::DeclWithType>>&& params, |
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| 70 | std::vector<ast::ptr<ast::DeclWithType>>&& returns) const; |
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| 71 | |
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| 72 | void produceDecl(const ast::FunctionDecl* decl); |
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| 73 | void produceForwardDecl(const ast::FunctionDecl* decl); |
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| 74 | |
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| 75 | const ast::Decl* getDecl() const { return decl; } |
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| 76 | |
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| 77 | ast::FunctionDecl* genPosnProto() const; |
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| 78 | ast::FunctionDecl* genLabelProto() const; |
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| 79 | ast::FunctionDecl* genValueProto() const; |
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| 80 | ast::FunctionDecl* genSuccProto() const; |
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| 81 | ast::FunctionDecl* genPredProto() const; |
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| 82 | |
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| 83 | ast::FunctionDecl* genSuccPosProto() const; |
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| 84 | ast::FunctionDecl* genPredPosProto() const; |
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| 85 | |
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| 86 | // --------------------------------------------------- |
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| 87 | // ast::FunctionDecl* genAttrCtorProto() const; |
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| 88 | /// Changes the node inside a pointer so that it has the unused attribute. |
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| 89 | void addUnusedAttribute(ast::ptr<ast::DeclWithType>& declPtr) { |
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| 90 | ast::DeclWithType* decl = declPtr.get_and_mutate(); |
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| 91 | decl->attributes.push_back(new ast::Attribute("unused")); |
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| 92 | } |
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| 93 | |
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| 94 | ast::ObjectDecl* dstParam() const { |
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| 95 | return new ast::ObjectDecl(getLocation(), "_dst", |
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| 96 | new ast::ReferenceType(new ast::EnumAttrType( |
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| 97 | ast::deepCopy(instType)))); |
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| 98 | } |
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| 99 | |
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| 100 | ast::ObjectDecl* srcParam() const { |
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| 101 | return new ast::ObjectDecl( |
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| 102 | getLocation(), "_src", |
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| 103 | new ast::EnumAttrType(ast::deepCopy(instType))); |
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| 104 | } |
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| 105 | |
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| 106 | /// E = EnumAttrType<T>` |
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| 107 | /// `void ?{}(E & _dst)`. |
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| 108 | ast::FunctionDecl* genCtorProto() const { |
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| 109 | return genProto("?{}", {dstParam()}, {}); |
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| 110 | } |
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| 111 | |
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| 112 | /// void ?{}(E & _dst, E _src)`. |
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| 113 | ast::FunctionDecl* genCopyProto() const { |
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| 114 | return genProto("?{}", {dstParam(), srcParam()}, {}); |
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| 115 | } |
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| 116 | |
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| 117 | ///`void ^?{}(E & _dst)`. |
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| 118 | ast::FunctionDecl* genDtorProto() const { |
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| 119 | // The destructor must be mutex on a concurrent type. |
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| 120 | return genProto("^?{}", {dstParam()}, {}); |
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| 121 | } |
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| 122 | |
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| 123 | /// `E ?{}(E & _dst, E _src)`. |
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| 124 | ast::FunctionDecl* genAssignProto() const { |
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| 125 | // Only the name is different, so just reuse the generation function. |
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| 126 | auto retval = srcParam(); |
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| 127 | retval->name = "_ret"; |
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| 128 | return genProto("?=?", {dstParam(), srcParam()}, {retval}); |
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| 129 | } |
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| 130 | |
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| 131 | void genFuncBody(ast::FunctionDecl* func) { |
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| 132 | const CodeLocation& location = func->location; |
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| 133 | auto& params = func->params; |
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| 134 | if (InitTweak::isCopyConstructor(func) || |
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| 135 | InitTweak::isAssignment(func)) { |
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| 136 | assert(2 == params.size()); |
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| 137 | auto dstParam = params.front().strict_as<ast::ObjectDecl>(); |
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| 138 | auto srcParam = params.back().strict_as<ast::ObjectDecl>(); |
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| 139 | func->stmts = genCopyBody(location, dstParam, srcParam); |
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| 140 | } else { |
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| 141 | assert(1 == params.size()); |
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| 142 | // Default constructor and destructor is empty. |
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| 143 | func->stmts = new ast::CompoundStmt(location); |
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| 144 | // Add unused attribute to parameter to silence warnings. |
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| 145 | addUnusedAttribute(params.front()); |
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| 146 | |
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| 147 | // Just an extra step to make the forward and declaration match. |
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| 148 | if (forwards.empty()) return; |
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| 149 | ast::FunctionDecl* fwd = strict_dynamic_cast<ast::FunctionDecl*>( |
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| 150 | forwards.back().get_and_mutate()); |
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| 151 | addUnusedAttribute(fwd->params.front()); |
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| 152 | } |
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| 153 | } |
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| 154 | |
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| 155 | const ast::CompoundStmt* genCopyBody(const CodeLocation& location, |
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| 156 | const ast::ObjectDecl* dstParam, |
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| 157 | const ast::ObjectDecl* srcParam) { |
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| 158 | // const CodeLocation& location = func->location; |
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| 159 | // auto& params = func->params; |
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| 160 | // assert(2 == params.size()); |
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| 161 | // auto dstParam = params.front().strict_as<ast::ObjectDecl>(); |
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| 162 | // auto srcParam = params.back().strict_as<ast::ObjectDecl>(); |
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| 163 | return new ast::CompoundStmt( |
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| 164 | location, |
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| 165 | {new ast::ExprStmt( |
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| 166 | location, |
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| 167 | new ast::UntypedExpr( |
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| 168 | location, new ast::NameExpr(location, "__builtin_memcpy"), |
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| 169 | { |
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| 170 | new ast::AddressExpr(location, new ast::VariableExpr( |
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| 171 | location, dstParam)), |
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| 172 | new ast::AddressExpr(location, new ast::VariableExpr( |
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| 173 | location, srcParam)), |
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| 174 | new ast::SizeofExpr(location, srcParam->type), |
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| 175 | }))}); |
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| 176 | } |
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| 177 | |
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| 178 | void genDtorBody(ast::FunctionDecl* func) { |
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| 179 | const CodeLocation& location = func->location; |
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| 180 | auto& params = func->params; |
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| 181 | assert(1 == params.size()); |
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| 182 | func->stmts = new ast::CompoundStmt(location); |
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| 183 | addUnusedAttribute(params.front()); |
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| 184 | |
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| 185 | // Just an extra step to make the forward and declaration match. |
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| 186 | if (forwards.empty()) return; |
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| 187 | ast::FunctionDecl* fwd = strict_dynamic_cast<ast::FunctionDecl*>( |
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| 188 | forwards.back().get_and_mutate()); |
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| 189 | addUnusedAttribute(fwd->params.front()); |
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| 190 | } |
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| 191 | |
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| 192 | // ast::FunctionDecl* |
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| 193 | // ---------------------------------------------------- |
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| 194 | |
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| 195 | ast::FunctionDecl* genSuccPredFunc(bool succ); |
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| 196 | |
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| 197 | const ast::Init* getAutoInit(const ast::Init* prev) const; |
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| 198 | |
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| 199 | std::vector<ast::ptr<ast::Init>> genLabelInit() const; |
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| 200 | |
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| 201 | std::vector<ast::ptr<ast::Init>> genValueInit() const; |
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| 202 | ast::ObjectDecl* genAttrArrayProto( |
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| 203 | const ast::EnumAttribute attr, const CodeLocation& location, |
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| 204 | std::vector<ast::ptr<ast::Init>>& inits) const; |
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| 205 | void genValueOrLabelBody(ast::FunctionDecl* func, |
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| 206 | ast::ObjectDecl* arrDecl) const; |
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| 207 | void genPosnBody(ast::FunctionDecl* func) const; |
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| 208 | void genAttributesDecls(const ast::EnumAttribute attr); |
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| 209 | }; |
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| 210 | |
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| 211 | std::vector<ast::ptr<ast::Init>> EnumAttrFuncGenerator::genLabelInit() const { |
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| 212 | std::vector<ast::ptr<ast::Init>> inits; |
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| 213 | for (size_t i = 0; i < decl->members.size(); i++) { |
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| 214 | ast::ptr<ast::Decl> mem = decl->members.at(i); |
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| 215 | auto memAsObjectDecl = mem.as<ast::ObjectDecl>(); |
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| 216 | assert(memAsObjectDecl); |
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| 217 | inits.emplace_back(new ast::SingleInit( |
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| 218 | mem->location, |
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| 219 | ast::ConstantExpr::from_string(mem->location, mem->name))); |
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| 220 | } |
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| 221 | return inits; |
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| 222 | } |
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| 223 | |
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| 224 | std::vector<ast::ptr<ast::Init>> EnumAttrFuncGenerator::genValueInit() const { |
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| 225 | std::vector<ast::ptr<ast::Init>> inits; |
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| 226 | for (size_t i = 0; i < decl->members.size(); i++) { |
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| 227 | ast::ptr<ast::Decl> mem = decl->members.at(i); |
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| 228 | auto memAsObjectDecl = mem.as<ast::ObjectDecl>(); |
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| 229 | assert(memAsObjectDecl); |
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| 230 | if (memAsObjectDecl->init) { |
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| 231 | inits.emplace_back(memAsObjectDecl->init); |
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| 232 | } else { |
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| 233 | const CodeLocation& location = mem->location; |
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| 234 | if (i == 0) { |
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| 235 | inits.emplace_back(new ast::SingleInit( |
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| 236 | location, ast::ConstantExpr::from_int(mem->location, 0))); |
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| 237 | } else { |
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| 238 | inits.emplace_back(getAutoInit(inits.at(i - 1))); |
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| 239 | } |
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| 240 | } |
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| 241 | } |
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| 242 | return inits; |
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| 243 | } |
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| 244 | const ast::Init* EnumAttrFuncGenerator::getAutoInit( |
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| 245 | const ast::Init* prev) const { |
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| 246 | if (prev == nullptr) { |
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| 247 | return new ast::SingleInit( |
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| 248 | getLocation(), ast::ConstantExpr::from_int(getLocation(), 0)); |
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| 249 | } |
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| 250 | auto prevInit = dynamic_cast<const ast::SingleInit*>(prev); |
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| 251 | assert(prevInit); |
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| 252 | auto prevInitExpr = prevInit->value; |
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| 253 | if (auto constInit = prevInitExpr.as<ast::ConstantExpr>()) { |
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| 254 | // Assume no string literal for now |
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| 255 | return new ast::SingleInit( |
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| 256 | getLocation(), ast::ConstantExpr::from_int( |
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| 257 | getLocation(), constInit->intValue() + 1)); |
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| 258 | } else { |
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| 259 | auto untypedThisInit = new ast::UntypedExpr( |
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| 260 | getLocation(), new ast::NameExpr(getLocation(), "?++"), |
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| 261 | {prevInitExpr}); |
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| 262 | return new ast::SingleInit(getLocation(), untypedThisInit); |
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| 263 | } |
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| 264 | } |
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| 265 | |
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| 266 | ast::FunctionDecl* EnumAttrFuncGenerator::genProto( |
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| 267 | std::string&& name, std::vector<ast::ptr<ast::DeclWithType>>&& params, |
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| 268 | std::vector<ast::ptr<ast::DeclWithType>>&& returns) const { |
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| 269 | ast::FunctionDecl* decl = new ast::FunctionDecl( |
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| 270 | // Auto-generated routines use the type declaration's location. |
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| 271 | getLocation(), std::move(name), {}, {}, std::move(params), |
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| 272 | std::move(returns), |
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| 273 | // Only a prototype, no body. |
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| 274 | nullptr, |
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| 275 | // Use static storage if we are at the top level. |
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| 276 | (0 < functionNesting) ? ast::Storage::Classes() : ast::Storage::Static, |
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| 277 | proto_linkage, std::vector<ast::ptr<ast::Attribute>>(), |
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| 278 | // Auto-generated routines are inline to avoid conflicts. |
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| 279 | ast::Function::Specs(ast::Function::Inline)); |
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| 280 | decl->fixUniqueId(); |
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| 281 | return decl; |
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| 282 | } |
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| 283 | |
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| 284 | void EnumAttrFuncGenerator::produceDecl(const ast::FunctionDecl* decl) { |
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| 285 | assert(nullptr != decl->stmts); |
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| 286 | |
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| 287 | definitions.push_back(decl); |
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| 288 | } |
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| 289 | |
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| 290 | void EnumAttrFuncGenerator::produceForwardDecl(const ast::FunctionDecl* decl) { |
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| 291 | if (0 != functionNesting) return; |
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| 292 | ast::FunctionDecl* fwd = |
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| 293 | (decl->stmts) ? ast::asForward(decl) : ast::deepCopy(decl); |
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| 294 | fwd->fixUniqueId(); |
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| 295 | forwards.push_back(fwd); |
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| 296 | } |
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| 297 | |
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| 298 | ast::FunctionDecl* EnumAttrFuncGenerator::genPosnProto() const { |
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| 299 | return genProto( |
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| 300 | "posE", |
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| 301 | {new ast::ObjectDecl(getLocation(), "_i", new ast::EnumInstType(decl))}, |
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| 302 | {new ast::ObjectDecl(getLocation(), "_ret", |
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| 303 | new ast::EnumAttrType(new ast::EnumInstType(decl), |
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| 304 | ast::EnumAttribute::Posn))}); |
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| 305 | } |
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| 306 | |
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| 307 | ast::FunctionDecl* EnumAttrFuncGenerator::genLabelProto() const { |
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| 308 | return genProto( |
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| 309 | "labelE", |
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| 310 | {new ast::ObjectDecl(getLocation(), "_i", new ast::EnumInstType(decl))}, |
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| 311 | {new ast::ObjectDecl( |
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| 312 | getLocation(), "_ret", |
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| 313 | new ast::PointerType(new ast::BasicType{ast::BasicType::Char}))}); |
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| 314 | } |
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| 315 | |
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| 316 | ast::FunctionDecl* EnumAttrFuncGenerator::genValueProto() const { |
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| 317 | return genProto( |
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| 318 | "valueE", |
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| 319 | {new ast::ObjectDecl(getLocation(), "_i", new ast::EnumInstType(decl))}, |
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| 320 | {new ast::ObjectDecl(getLocation(), "_ret", |
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| 321 | ast::deepCopy(decl->base))}); |
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| 322 | } |
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| 323 | |
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| 324 | ast::FunctionDecl* EnumAttrFuncGenerator::genSuccProto() const { |
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| 325 | return genProto( |
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| 326 | "succ", |
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| 327 | {new ast::ObjectDecl(getLocation(), "_i", new ast::EnumInstType(decl))}, |
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| 328 | {new ast::ObjectDecl(getLocation(), "_ret", |
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| 329 | new ast::EnumInstType(decl))}); |
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| 330 | } |
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| 331 | |
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| 332 | ast::FunctionDecl* EnumAttrFuncGenerator::genPredProto() const { |
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| 333 | return genProto( |
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| 334 | "pred", |
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| 335 | {new ast::ObjectDecl(getLocation(), "_i", new ast::EnumInstType(decl))}, |
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| 336 | {new ast::ObjectDecl(getLocation(), "_ret", |
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| 337 | new ast::EnumInstType(decl))}); |
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| 338 | } |
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| 339 | |
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| 340 | inline ast::EnumAttrType * getPosnType( const ast::EnumDecl * decl ) { |
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| 341 | return new ast::EnumAttrType(new ast::EnumInstType(decl), ast::EnumAttribute::Posn); |
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| 342 | } |
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| 343 | |
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| 344 | ast::FunctionDecl* EnumAttrFuncGenerator::genSuccPosProto() const { |
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| 345 | return genProto( |
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| 346 | "_successor_", |
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| 347 | {new ast::ObjectDecl(getLocation(), "_i", getPosnType(decl))}, |
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| 348 | {new ast::ObjectDecl(getLocation(), "_ret", getPosnType(decl))} |
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| 349 | ); |
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| 350 | } |
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| 351 | |
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| 352 | ast::FunctionDecl* EnumAttrFuncGenerator::genPredPosProto() const { |
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| 353 | return genProto( |
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| 354 | "_predessor_", |
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| 355 | {new ast::ObjectDecl(getLocation(), "_i", getPosnType(decl))}, |
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| 356 | {new ast::ObjectDecl(getLocation(), "_ret", getPosnType(decl))} |
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| 357 | ); |
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| 358 | } |
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| 359 | |
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| 360 | ast::ObjectDecl* EnumAttrFuncGenerator::genAttrArrayProto( |
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| 361 | const ast::EnumAttribute attr, const CodeLocation& location, |
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| 362 | std::vector<ast::ptr<ast::Init>>& inits) const { |
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| 363 | ast::ArrayType* arrT = new ast::ArrayType( |
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| 364 | attr == ast::EnumAttribute::Value |
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| 365 | ? decl->base |
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| 366 | : new ast::PointerType(new ast::BasicType{ast::BasicType::Char}), |
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| 367 | ast::ConstantExpr::from_int(decl->location, decl->members.size()), |
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| 368 | ast::LengthFlag::FixedLen, ast::DimensionFlag::DynamicDim); |
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| 369 | |
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| 370 | ast::ObjectDecl* objDecl = |
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| 371 | new ast::ObjectDecl(decl->location, decl->getUnmangeldArrayName(attr), |
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| 372 | arrT, new ast::ListInit(location, std::move(inits)), |
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| 373 | ast::Storage::Static, ast::Linkage::AutoGen); |
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| 374 | |
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| 375 | return objDecl; |
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| 376 | } |
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| 377 | |
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| 378 | void EnumAttrFuncGenerator::genValueOrLabelBody( |
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| 379 | ast::FunctionDecl* func, ast::ObjectDecl* arrDecl) const { |
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| 380 | ast::UntypedExpr* untyped = ast::UntypedExpr::createCall( |
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| 381 | func->location, "?[?]", |
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| 382 | {new ast::NameExpr(func->location, arrDecl->name), |
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| 383 | new ast::CastExpr( |
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| 384 | func->location, |
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| 385 | new ast::VariableExpr(func->location, func->params.front()), |
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| 386 | new ast::EnumAttrType(new ast::EnumInstType(decl), |
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| 387 | ast::EnumAttribute::Posn))}); |
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| 388 | func->stmts = new ast::CompoundStmt( |
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| 389 | func->location, {new ast::ReturnStmt(func->location, untyped)}); |
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| 390 | } |
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| 391 | |
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| 392 | void EnumAttrFuncGenerator::genPosnBody(ast::FunctionDecl* func) const { |
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| 393 | auto castExpr = new ast::CastExpr( |
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| 394 | func->location, |
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| 395 | new ast::VariableExpr(func->location, func->params.front()), |
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| 396 | new ast::EnumAttrType(new ast::EnumInstType(decl), |
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| 397 | ast::EnumAttribute::Posn)); |
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| 398 | func->stmts = new ast::CompoundStmt( |
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| 399 | func->location, {new ast::ReturnStmt(func->location, castExpr)}); |
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| 400 | } |
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| 401 | |
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| 402 | void EnumAttrFuncGenerator::genAttributesDecls(const ast::EnumAttribute attr) { |
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| 403 | if (attr == ast::EnumAttribute::Value || |
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| 404 | attr == ast::EnumAttribute::Label) { |
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| 405 | std::vector<ast::ptr<ast::Init>> inits = |
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| 406 | attr == ast::EnumAttribute::Value ? genValueInit() : genLabelInit(); |
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| 407 | ast::ObjectDecl* arrayProto = |
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| 408 | genAttrArrayProto(attr, getLocation(), inits); |
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| 409 | forwards.push_back(arrayProto); |
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| 410 | |
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| 411 | ast::FunctionDecl* funcProto = attr == ast::EnumAttribute::Value |
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| 412 | ? genValueProto() |
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| 413 | : genLabelProto(); |
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| 414 | produceForwardDecl(funcProto); |
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| 415 | genValueOrLabelBody(funcProto, arrayProto); |
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| 416 | produceDecl(funcProto); |
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| 417 | } else { |
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| 418 | ast::FunctionDecl* funcProto = genPosnProto(); |
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| 419 | produceForwardDecl(funcProto); |
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| 420 | genPosnBody(funcProto); |
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| 421 | produceDecl(funcProto); |
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| 422 | } |
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| 423 | } |
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| 424 | |
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| 425 | ast::FunctionDecl* EnumAttrFuncGenerator::genSuccPredFunc(bool succ) { |
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| 426 | ast::FunctionDecl* funcDecl = succ ? genSuccPosProto() : genPredPosProto(); |
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| 427 | produceForwardDecl(funcDecl); |
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| 428 | |
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| 429 | const CodeLocation& location = getLocation(); |
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| 430 | |
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| 431 | auto& params = funcDecl->params; |
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| 432 | assert(params.size() == 1); |
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| 433 | auto param = params.front().strict_as<ast::ObjectDecl>(); |
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| 434 | |
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| 435 | |
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| 436 | auto rets = funcDecl->returns; |
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| 437 | assert(params.size() == 1); |
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| 438 | auto ret = rets.front().strict_as<ast::ObjectDecl>(); |
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| 439 | auto retType = ret->type.strict_as<ast::EnumAttrType>(); |
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| 440 | |
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| 441 | auto addOneExpr = ast::UntypedExpr::createCall( location, |
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| 442 | "?+?", |
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| 443 | {new ast::VariableExpr(location, param), |
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| 444 | ast::ConstantExpr::from_int(location, 1)} |
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| 445 | ); |
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| 446 | |
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| 447 | funcDecl->stmts = new ast::CompoundStmt( |
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| 448 | location, { |
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| 449 | new ast::ReturnStmt( |
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| 450 | location, |
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| 451 | new ast::CastExpr(location, addOneExpr, retType) |
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| 452 | ) |
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| 453 | } |
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| 454 | ); |
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| 455 | |
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| 456 | return funcDecl; |
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| 457 | } |
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| 458 | |
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| 459 | void EnumAttrFuncGenerator::genAttrFunctions() { |
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| 460 | if (decl->base) { |
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| 461 | genAttributesDecls(ast::EnumAttribute::Value); |
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| 462 | genAttributesDecls(ast::EnumAttribute::Label); |
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| 463 | genAttributesDecls(ast::EnumAttribute::Posn); |
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| 464 | } |
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| 465 | } |
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| 466 | |
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| 467 | void EnumAttrFuncGenerator::genSuccPredDecl() { |
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| 468 | if (decl->base) { |
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| 469 | auto succProto = genSuccProto(); |
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| 470 | auto predProto = genPredProto(); |
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| 471 | |
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| 472 | produceForwardDecl(succProto); |
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| 473 | produceForwardDecl(predProto); |
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| 474 | } |
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| 475 | } |
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| 476 | |
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| 477 | void EnumAttrFuncGenerator::genSuccPredPosn() { |
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| 478 | if (decl->base) { |
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| 479 | ast::FunctionDecl* succ = genSuccPredFunc(true); |
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| 480 | ast::FunctionDecl* pred = genSuccPredFunc(false); |
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| 481 | |
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| 482 | produceDecl(succ); |
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| 483 | produceDecl(pred); |
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| 484 | } |
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| 485 | } |
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| 486 | |
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| 487 | void EnumAttrFuncGenerator::generateAndAppendFunctions( |
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| 488 | std::list<ast::ptr<ast::Decl>>& decls) { |
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| 489 | // Generate the functions (they go into forwards and definitions). |
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| 490 | genAttrStandardFuncs(); |
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| 491 | genAttrFunctions(); |
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| 492 | genSuccPredDecl(); |
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| 493 | genSuccPredPosn(); // Posn |
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| 494 | // Now export the lists contents. |
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| 495 | decls.splice(decls.end(), forwards); |
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| 496 | decls.splice(decls.end(), definitions); |
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| 497 | } |
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| 498 | |
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| 499 | // --------------------------------------------------------- |
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| 500 | |
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| 501 | struct ImplementEnumFunc final : public ast::WithDeclsToAdd<>, |
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| 502 | public ast::WithShortCircuiting { |
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| 503 | void previsit(const ast::EnumDecl* enumDecl); |
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| 504 | void previsit(const ast::FunctionDecl* functionDecl); |
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| 505 | void postvisit(const ast::FunctionDecl* functionDecl); |
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| 506 | |
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| 507 | private: |
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| 508 | // Current level of nested functions. |
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| 509 | unsigned int functionNesting = 0; |
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| 510 | }; |
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| 511 | |
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| 512 | void ImplementEnumFunc::previsit(const ast::EnumDecl* enumDecl) { |
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| 513 | if (!enumDecl->body) return; |
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| 514 | if (!enumDecl->base) return; |
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| 515 | |
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| 516 | ast::EnumInstType enumInst(enumDecl->name); |
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| 517 | enumInst.base = enumDecl; |
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| 518 | // ast::EnumAttrType attr = ast::EnumAttrType(&enumInst); |
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| 519 | // EnumAttrFuncGenerator gen(enumDecl, &enumInst functionNesting); |
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| 520 | EnumAttrFuncGenerator gen(enumDecl, &enumInst, functionNesting); |
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| 521 | gen.generateAndAppendFunctions(declsToAddAfter); |
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| 522 | } |
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| 523 | |
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| 524 | void ImplementEnumFunc::previsit(const ast::FunctionDecl*) { |
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| 525 | functionNesting += 1; |
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| 526 | } |
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| 527 | |
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| 528 | void ImplementEnumFunc::postvisit(const ast::FunctionDecl*) { |
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| 529 | functionNesting -= 1; |
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| 530 | } |
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| 531 | |
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| 532 | } // namespace |
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| 533 | |
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| 534 | void implementEnumFunc(ast::TranslationUnit& translationUnit) { |
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| 535 | ast::Pass<ImplementEnumFunc>::run(translationUnit); |
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| 536 | } |
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| 537 | } // namespace Validate |
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