[544deb9] | 1 | #include "ReplacePseudoFunc.hpp" |
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| 2 | |
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| 3 | #include <set> |
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| 4 | |
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[ac939461] | 5 | #include "AST/Decl.hpp" |
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[544deb9] | 6 | #include "AST/Inspect.hpp" |
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[ac939461] | 7 | #include "AST/Pass.hpp" |
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| 8 | #include "AST/Stmt.hpp" |
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| 9 | #include "Common/utility.h" |
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[544deb9] | 10 | #include "ResolvExpr/Resolver.h" |
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[a55ebcc] | 11 | #include "SymTab/Mangler.h" |
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| 12 | |
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| 13 | #include "AST/Print.hpp" |
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| 14 | |
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| 15 | #include "ResolvExpr/CandidateFinder.hpp" |
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| 16 | |
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[ac939461] | 17 | namespace Validate { |
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| 18 | |
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| 19 | namespace { |
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| 20 | |
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[544deb9] | 21 | std::set<std::string> queryLabels; |
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| 22 | std::set<std::string> queryValues; |
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| 23 | |
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[a55ebcc] | 24 | // struct AutoInit { |
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| 25 | // ast::EnumDecl const* postvisit( const ast::EnumDecl* expr ); |
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| 26 | // }; |
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| 27 | |
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[c75b30a] | 28 | struct WrapEnumValueExpr final : public ast::WithShortCircuiting, |
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| 29 | public ast::WithSymbolTable, |
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| 30 | public ast::WithConstTranslationUnit { |
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| 31 | void previsit(const ast::DeclStmt* expr); |
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| 32 | void previsit(const ast::ApplicationExpr* expr); |
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| 33 | void previsit(const ast::CastExpr* expr); |
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[a55ebcc] | 34 | void previsit(const ast::VariableExpr* ) { visit_children = false; } |
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[c75b30a] | 35 | |
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| 36 | ast::Expr const* postvisit(const ast::VariableExpr* expr); |
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| 37 | }; |
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| 38 | |
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[544deb9] | 39 | struct FindGenEnumArray final : public ast::WithShortCircuiting { |
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| 40 | void previsit(const ast::ApplicationExpr* enumDecl); |
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[ac939461] | 41 | }; |
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[544deb9] | 42 | |
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[c75b30a] | 43 | struct PseudoFuncGenerateRoutine final : public ast::WithDeclsToAdd<>, |
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| 44 | public ast::WithSymbolTable, |
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[a55ebcc] | 45 | public ast::WithShortCircuiting, |
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| 46 | public ast::WithConstTranslationUnit { |
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[c75b30a] | 47 | void previsit(const ast::EnumDecl* enumDecl); |
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| 48 | }; |
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| 49 | |
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| 50 | struct ReplacePseudoFuncCore : public ast::WithShortCircuiting, |
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| 51 | public ast::WithSymbolTable, |
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| 52 | public ast::WithConstTranslationUnit { |
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| 53 | ast::Expr const* postvisit(ast::ApplicationExpr const* decl); |
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| 54 | }; |
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| 55 | |
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[a55ebcc] | 56 | // ast::EnumDecl const * AutoInit::postvisit( const ast::EnumDecl * expr ) { |
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| 57 | // for ( size_t i = 0; i < expr->members.size(); i++ ) { |
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| 58 | // auto mem = expr->members[i].as<ast::ObjectDecl>(); |
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| 59 | // assert( mem ); |
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| 60 | // if ( mem->init ) |
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| 61 | // } |
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| 62 | // return expr; |
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| 63 | // } |
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[c75b30a] | 64 | |
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[a55ebcc] | 65 | void WrapEnumValueExpr::previsit(const ast::ApplicationExpr* expr) { |
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[c75b30a] | 66 | auto varExpr = expr->func.as<ast::VariableExpr>(); |
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| 67 | auto fname = ast::getFunctionName(expr); |
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| 68 | if ( !varExpr || varExpr->var->linkage == ast::Linkage::Intrinsic ) { |
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| 69 | if ( fname == "?{}" || fname == "?=?" ) |
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| 70 | visit_children = false; |
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| 71 | } |
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| 72 | |
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[a55ebcc] | 73 | if (fname == "labelE" || fname == "valueE" || fname == "posE") { |
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[c75b30a] | 74 | visit_children = false; |
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[a55ebcc] | 75 | } |
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[c75b30a] | 76 | } |
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| 77 | |
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| 78 | void WrapEnumValueExpr::previsit(const ast::DeclStmt*) { |
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| 79 | visit_children = false; |
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| 80 | } |
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| 81 | |
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| 82 | void WrapEnumValueExpr::previsit(const ast::CastExpr* expr) { |
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| 83 | if (expr->result && expr->result.as<ast::ReferenceType>()) { |
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| 84 | visit_children = false; |
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| 85 | } |
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| 86 | } |
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| 87 | |
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| 88 | ast::Expr const* WrapEnumValueExpr::postvisit(const ast::VariableExpr* expr) { |
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| 89 | if (!expr->result) { |
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| 90 | return expr; |
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| 91 | } |
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| 92 | if (auto enumInst = expr->result.as<ast::EnumInstType>()) { |
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| 93 | if (enumInst->base && enumInst->base->base) { |
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| 94 | auto untyped = new ast::UntypedExpr( |
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| 95 | expr->location, new ast::NameExpr(expr->location, "valueE"), |
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[a55ebcc] | 96 | { std::move( expr ) }); |
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[c75b30a] | 97 | ResolvExpr::ResolveContext context{symtab, transUnit().global}; |
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| 98 | auto result = ResolvExpr::findVoidExpression(untyped, context); |
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[a55ebcc] | 99 | ast::ptr<ast::ApplicationExpr> ret = |
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[c75b30a] | 100 | result.strict_as<ast::ApplicationExpr>(); |
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[a55ebcc] | 101 | return ast::deepCopy( ret ); |
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[c75b30a] | 102 | } |
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| 103 | } |
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| 104 | return expr; |
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| 105 | } |
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| 106 | |
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[544deb9] | 107 | void FindGenEnumArray::previsit(const ast::ApplicationExpr* expr) { |
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| 108 | auto fname = ast::getFunctionName(expr); |
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| 109 | if (fname == "labelE" || fname == "valueE") { |
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| 110 | if (expr->args.size() != 1) { |
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| 111 | SemanticError(expr, "Position Expression only take one parameter"); |
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| 112 | } |
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| 113 | const ast::VariableExpr* arg = |
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| 114 | expr->args.front().as<const ast::VariableExpr>(); |
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| 115 | if (!arg) { |
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| 116 | SemanticError(expr, "Unimplement Pseudo Function Cases"); |
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| 117 | } |
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| 118 | const ast::ObjectDecl* argAsVar = arg->var.as<const ast::ObjectDecl>(); |
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| 119 | const std::string referredName = argAsVar->name; |
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| 120 | const ast::EnumInstType* argType = |
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| 121 | argAsVar->type.as<const ast::EnumInstType>(); |
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| 122 | if (!argType) { |
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| 123 | SemanticError( |
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| 124 | argAsVar, |
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| 125 | "Position can only be used on an enumeration instance"); |
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| 126 | } |
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| 127 | ast::ptr<ast::EnumDecl> base = argType->base; |
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| 128 | assert(base); |
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| 129 | if (fname == "labelE") queryLabels.insert(base->name); |
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| 130 | if (fname == "valueE") queryValues.insert(base->name); |
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| 131 | } |
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[ac939461] | 132 | } |
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| 133 | |
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[a55ebcc] | 134 | const ast::Init * getAutoInit( const CodeLocation & location, |
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| 135 | const ast::Type * type, ResolvExpr::ResolveContext context, const ast::Init * prev ) { |
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| 136 | if ( auto prevInit = dynamic_cast< const ast::SingleInit * >( prev ) ) { |
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| 137 | auto prevInitExpr = prevInit->value; |
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| 138 | if ( auto constInit = prevInitExpr.as< ast::ConstantExpr >() ) { |
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| 139 | // Assume no string literal for now |
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| 140 | return new ast::SingleInit( |
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| 141 | location, |
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| 142 | ast::ConstantExpr::from_int( |
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| 143 | location, constInit->intValue() + 1 ) |
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| 144 | ); |
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| 145 | } else { |
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| 146 | auto untypedThisInit = new ast::UntypedExpr( |
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| 147 | location, |
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| 148 | new ast::NameExpr( location, "?++" ), |
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| 149 | { prevInitExpr } |
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| 150 | ); |
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| 151 | auto typedInit = ResolvExpr::findSingleExpression(untypedThisInit, type, |
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| 152 | context ); |
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| 153 | return new ast::SingleInit( location, typedInit ); |
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| 154 | } |
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| 155 | } |
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| 156 | SemanticError( prev, "Auto Init a List is not implemented" ); |
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| 157 | return prev; |
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| 158 | } |
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| 159 | |
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[544deb9] | 160 | void PseudoFuncGenerateRoutine::previsit(const ast::EnumDecl* enumDecl) { |
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| 161 | visit_children = false; |
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| 162 | const CodeLocation& location = enumDecl->location; |
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| 163 | if (enumDecl->members.size() == 0 || !enumDecl->base) return; |
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| 164 | |
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| 165 | std::vector<ast::ptr<ast::Init>> inits; |
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| 166 | std::vector<ast::ptr<ast::Init>> labels; |
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[a55ebcc] | 167 | auto type = enumDecl->base; |
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| 168 | |
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| 169 | for ( size_t i = 0; i < enumDecl->members.size(); i++ ) { |
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| 170 | ast::ptr<ast::Decl> mem = enumDecl->members.at( i ); |
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| 171 | auto memAsObjectDecl = mem.as< ast::ObjectDecl >(); |
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| 172 | assert( memAsObjectDecl ); |
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| 173 | if ( memAsObjectDecl->init ) { |
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| 174 | inits.emplace_back( memAsObjectDecl->init ); |
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| 175 | } else { |
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| 176 | const CodeLocation & location = mem->location; |
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| 177 | if ( i == 0 ) { |
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| 178 | inits.emplace_back( new ast::SingleInit( |
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| 179 | location, |
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| 180 | ast::ConstantExpr::from_int( mem->location, 0 ) |
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| 181 | ) ); |
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| 182 | } else { |
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| 183 | inits.emplace_back( getAutoInit( location, enumDecl->base, |
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| 184 | ResolvExpr::ResolveContext{symtab, transUnit().global}, |
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| 185 | inits.at( i - 1 ).as<ast::SingleInit>()) ); |
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| 186 | } |
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| 187 | } |
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[544deb9] | 188 | labels.emplace_back(new ast::SingleInit( |
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[a55ebcc] | 189 | location, ast::ConstantExpr::from_string(location, mem->name))); |
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| 190 | } |
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[544deb9] | 191 | if (queryValues.count(enumDecl->name)) { |
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| 192 | auto init = new ast::ListInit(location, std::move(inits)); |
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[c75b30a] | 193 | const ast::ArrayType* arrT = new ast::ArrayType( |
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| 194 | enumDecl->base, |
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| 195 | ast::ConstantExpr::from_int(location, enumDecl->members.size()), |
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| 196 | ast::LengthFlag::FixedLen, ast::DimensionFlag::DynamicDim); |
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| 197 | ast::ObjectDecl* values = new ast::ObjectDecl( |
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| 198 | location, "values_" + enumDecl->name, arrT, init, |
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| 199 | ast::Storage::Static, ast::Linkage::AutoGen); |
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[544deb9] | 200 | symtab.addId(values); |
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| 201 | values->mangleName = Mangle::mangle(values); |
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| 202 | declsToAddAfter.push_back(values); |
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| 203 | } |
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| 204 | if (queryLabels.count(enumDecl->name)) { |
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| 205 | auto label_strings = new ast::ListInit(location, std::move(labels)); |
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[c75b30a] | 206 | auto labels = new ast::ObjectDecl( |
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[544deb9] | 207 | location, "labels_" + enumDecl->name, |
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| 208 | new ast::ArrayType( |
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| 209 | new ast::PointerType(new ast::BasicType{ast::BasicType::Char}), |
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| 210 | ast::ConstantExpr::from_int(location, enumDecl->members.size()), |
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| 211 | ast::LengthFlag::FixedLen, ast::DimensionFlag::DynamicDim), |
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| 212 | label_strings, ast::Storage::Static, ast::Linkage::AutoGen); |
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[c75b30a] | 213 | symtab.addId(labels); |
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| 214 | labels->mangleName = Mangle::mangle(labels); |
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| 215 | declsToAddAfter.push_back(labels); |
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[544deb9] | 216 | } |
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| 217 | } |
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| 218 | |
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[c75b30a] | 219 | ast::ApplicationExpr const* getPseudoFuncApplication( |
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| 220 | const CodeLocation location, ResolvExpr::ResolveContext context, |
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| 221 | const ast::VariableExpr* arg, const ast::EnumDecl* base, const std::string & name) { |
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| 222 | ast::Expr* toResolve = new ast::NameExpr(location, name + base->name); |
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| 223 | auto result = ResolvExpr::findVoidExpression(toResolve, context); |
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| 224 | assert(result.get()); |
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| 225 | auto arrAsVar = result.strict_as<ast::VariableExpr>(); |
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| 226 | auto untyped = new ast::UntypedExpr( |
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| 227 | location, new ast::NameExpr(location, "?[?]"), |
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[496ffc17] | 228 | { std::move(arrAsVar), std::move(arg) }); |
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[c75b30a] | 229 | auto typedResult = ResolvExpr::findVoidExpression(untyped, context); |
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| 230 | |
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| 231 | ast::ptr<ast::ApplicationExpr> ret = |
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| 232 | typedResult.strict_as<ast::ApplicationExpr>(); |
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| 233 | return ast::deepCopy(ret); |
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| 234 | } |
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[544deb9] | 235 | |
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| 236 | ast::Expr const* ReplacePseudoFuncCore::postvisit( |
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| 237 | ast::ApplicationExpr const* expr) { |
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| 238 | auto fname = ast::getFunctionName(expr); |
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| 239 | auto location = expr->location; |
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| 240 | if (fname == "posE" || fname == "valueE" || fname == "labelE") { |
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| 241 | if (expr->args.size() != 1) { |
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| 242 | SemanticError(expr, |
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| 243 | "Pseudo Enum Expression only take one parameter"); |
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[ac939461] | 244 | } |
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[544deb9] | 245 | ast::ptr<ast::VariableExpr> arg = |
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| 246 | expr->args.front().as<const ast::VariableExpr>(); |
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| 247 | if (!arg) { |
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| 248 | SemanticError(expr, "Unimplement Pseudo Function Cases"); |
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[ac939461] | 249 | } |
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[544deb9] | 250 | const ast::ObjectDecl* argAsVar = arg->var.as<const ast::ObjectDecl>(); |
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[ac939461] | 251 | const std::string referredName = argAsVar->name; |
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[544deb9] | 252 | const ast::EnumInstType* argType = |
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| 253 | argAsVar->type.as<const ast::EnumInstType>(); |
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| 254 | if (!argType) { |
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| 255 | SemanticError(argAsVar, |
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| 256 | "Pseudo Enum Expression can only be used on an " |
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| 257 | "enumeration instance"); |
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| 258 | } |
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| 259 | const ast::EnumDecl* base = argType->base; |
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[c75b30a] | 260 | ResolvExpr::ResolveContext context{symtab, transUnit().global}; |
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| 261 | // If resolvable as constant |
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[544deb9] | 262 | for (size_t i = 0; i < base->members.size(); i++) { |
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| 263 | if (base->members[i]->name == referredName) { |
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| 264 | if (fname == "posE") |
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| 265 | return ast::ConstantExpr::from_int(expr->location, i); |
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| 266 | else if (fname == "labelE") |
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| 267 | return ast::ConstantExpr::from_string(expr->location, |
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| 268 | referredName); |
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[a55ebcc] | 269 | else { |
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[c75b30a] | 270 | return getPseudoFuncApplication(location, context, arg.get(), |
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[a55ebcc] | 271 | base, "values_"); |
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| 272 | } |
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| 273 | |
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[544deb9] | 274 | } |
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| 275 | } |
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| 276 | |
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| 277 | if (fname == "labelE") { |
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[c75b30a] | 278 | if (auto labelExpr = |
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| 279 | getPseudoFuncApplication(location, context, arg.get(), base, "labels_")) { |
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| 280 | return labelExpr; |
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[544deb9] | 281 | } |
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[c75b30a] | 282 | } else if (fname == "valueE") { |
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| 283 | if (auto valueExpr = |
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| 284 | getPseudoFuncApplication(location, context, arg.get(), base, "values_")) { |
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| 285 | return valueExpr; |
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[ac939461] | 286 | } |
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[c75b30a] | 287 | } else { // it is position; replace itself |
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| 288 | return std::move( arg.get() ); |
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[ac939461] | 289 | } |
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| 290 | } |
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| 291 | return expr; |
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| 292 | } |
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| 293 | |
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[544deb9] | 294 | } // namespace |
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[ac939461] | 295 | |
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[544deb9] | 296 | void replacePseudoFunc(ast::TranslationUnit& translationUnit) { |
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[c75b30a] | 297 | ast::Pass<WrapEnumValueExpr>::run(translationUnit); |
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[544deb9] | 298 | ast::Pass<FindGenEnumArray>::run(translationUnit); |
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| 299 | ast::Pass<PseudoFuncGenerateRoutine>::run(translationUnit); |
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| 300 | ast::Pass<ReplacePseudoFuncCore>::run(translationUnit); |
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[ac939461] | 301 | } |
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[544deb9] | 302 | } // namespace Validate |
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