diff options
Diffstat (limited to 'c_compiler/src/declaration.cpp')
| -rw-r--r-- | c_compiler/src/declaration.cpp | 260 |
1 files changed, 130 insertions, 130 deletions
diff --git a/c_compiler/src/declaration.cpp b/c_compiler/src/declaration.cpp index 7c7791e..9918294 100644 --- a/c_compiler/src/declaration.cpp +++ b/c_compiler/src/declaration.cpp @@ -12,261 +12,261 @@ // Declaration definition Declaration::Declaration(Expression *initializer) - : initializer_(initializer), extern_declaration_(false) + : initializer_(initializer), extern_declaration_(false) {} Declaration::Declaration(ExpressionPtr initializer) - : initializer_(initializer), extern_declaration_(false) + : initializer_(initializer), extern_declaration_(false) {} void Declaration::linkDeclaration(Declaration* next_declaration) { - DeclarationPtr decl_ptr(next_declaration); - next_declaration_ = decl_ptr; + DeclarationPtr decl_ptr(next_declaration); + next_declaration_ = decl_ptr; } void Declaration::linkListDeclaration(Declaration* next_declaration) { - DeclarationPtr decl_ptr(next_declaration); - next_list_declaration_ = decl_ptr; + DeclarationPtr decl_ptr(next_declaration); + next_list_declaration_ = decl_ptr; } void Declaration::setType(TypePtr type) { - type_ = type; + type_ = type; } void Declaration::setInitializer(Expression* initializer) { - ExpressionPtr expression_ptr(initializer); - initializer_ = expression_ptr; + ExpressionPtr expression_ptr(initializer); + initializer_ = expression_ptr; } void Declaration::setExternDeclaration(bool is_extern) { - extern_declaration_ = is_extern; + extern_declaration_ = is_extern; } DeclarationPtr Declaration::getNext() const { - return next_declaration_; + return next_declaration_; } DeclarationPtr Declaration::getNextListItem() const { - return next_list_declaration_; + return next_list_declaration_; } ExpressionPtr Declaration::getInitializer() const { - return initializer_; + return initializer_; } TypePtr Declaration::getType() const { - return type_; + return type_; } // IdentifierDeclaration definition IdentifierDeclaration::IdentifierDeclaration(const std::string &id, Expression *initializer) - : Declaration(initializer), id_(id) + : Declaration(initializer), id_(id) {} IdentifierDeclaration::IdentifierDeclaration(const std::string &id, ExpressionPtr initializer) - : Declaration(initializer), id_(id) + : Declaration(initializer), id_(id) {} void IdentifierDeclaration::print() const { - if(next_declaration_ != nullptr) - next_declaration_->print(); + if(next_declaration_ != nullptr) + next_declaration_->print(); - if(id_ != "") - printf("%s\n", id_.c_str()); + if(id_ != "") + printf("%s\n", id_.c_str()); } void IdentifierDeclaration::printXml() const { - if(next_declaration_ != nullptr) - next_declaration_->printXml(); + if(next_declaration_ != nullptr) + next_declaration_->printXml(); - if(next_list_declaration_ != nullptr) - next_list_declaration_->printXml(); + if(next_list_declaration_ != nullptr) + next_list_declaration_->printXml(); - if(id_ != "") - printf("<Variable id=\"%s\" />", id_.c_str()); + if(id_ != "") + printf("<Variable id=\"%s\" />", id_.c_str()); } Bindings IdentifierDeclaration::printAsm(Bindings bindings, int& label_count) const { - (void)label_count; - if(!extern_declaration_) - { - if(initializer_ == nullptr) - printf("\t.comm\t%s,4,4\n", id_.c_str()); - else - printf("\t.data\n\t.globl\t%s\n%s:\n\t.word\t%d\n", - id_.c_str(), id_.c_str(), initializer_->constantFold()); - } + (void)label_count; + if(!extern_declaration_) + { + if(initializer_ == nullptr) + printf("\t.comm\t%s,4,4\n", id_.c_str()); + else + printf("\t.data\n\t.globl\t%s\n%s:\n\t.word\t%d\n", + id_.c_str(), id_.c_str(), initializer_->constantFold()); + } - bindings.insertBinding(id_, type_, -1); - return bindings; + bindings.insertBinding(id_, type_, -1); + return bindings; } Bindings IdentifierDeclaration::localAsm(Bindings bindings, int& label_count) const { - if(next_declaration_ != nullptr) - bindings = next_declaration_->localAsm(bindings, label_count); + if(next_declaration_ != nullptr) + bindings = next_declaration_->localAsm(bindings, label_count); - if(next_list_declaration_ != nullptr) - bindings = next_list_declaration_->localAsm(bindings, label_count); + if(next_list_declaration_ != nullptr) + bindings = next_list_declaration_->localAsm(bindings, label_count); - if(id_ != "") - { - int stack_position = bindings.currentStackPosition(); - if(initializer_ != nullptr) + if(id_ != "") { - initializer_->printAsm(bindings, label_count); - type_->store(stack_position); + int stack_position = bindings.currentStackPosition(); + if(initializer_ != nullptr) + { + initializer_->printAsm(bindings, label_count); + type_->store(stack_position); + } + bindings.insertBinding(id_, type_, stack_position); + type_->increaseStackPosition(bindings); } - bindings.insertBinding(id_, type_, stack_position); - type_->increaseStackPosition(bindings); - } - return bindings; + return bindings; } void IdentifierDeclaration::countDeclarations(int &declaration_count) const { - if(next_declaration_ != nullptr) - next_declaration_->countDeclarations(declaration_count); + if(next_declaration_ != nullptr) + next_declaration_->countDeclarations(declaration_count); - if(next_list_declaration_ != nullptr) - next_list_declaration_->countDeclarations(declaration_count); + if(next_list_declaration_ != nullptr) + next_list_declaration_->countDeclarations(declaration_count); - ++declaration_count; + ++declaration_count; } std::string IdentifierDeclaration::getId() const { - return id_; + return id_; } // Array declaration class ArrayDeclaration::ArrayDeclaration(Declaration *declarator, ExpressionPtr initializer, const int &size) - : Declaration(initializer), size_(size), declarator_(declarator) + : Declaration(initializer), size_(size), declarator_(declarator) {} void ArrayDeclaration::print() const { - if(next_declaration_ != nullptr) - next_declaration_->print(); - if(next_list_declaration_ != nullptr) - next_list_declaration_->print(); + if(next_declaration_ != nullptr) + next_declaration_->print(); + if(next_list_declaration_ != nullptr) + next_list_declaration_->print(); - printf("Array Declaration\n"); - declarator_->print(); + printf("Array Declaration\n"); + declarator_->print(); } void ArrayDeclaration::printXml() const { - if(next_declaration_ != nullptr) - next_declaration_->printXml(); - if(next_list_declaration_ != nullptr) - next_list_declaration_->printXml(); - declarator_->printXml(); + if(next_declaration_ != nullptr) + next_declaration_->printXml(); + if(next_list_declaration_ != nullptr) + next_list_declaration_->printXml(); + declarator_->printXml(); } Bindings ArrayDeclaration::printAsm(Bindings bindings, int &label_count) const { - if(next_declaration_ != nullptr) - bindings = next_declaration_->printAsm(bindings, label_count); - if(next_list_declaration_ != nullptr) - bindings = next_list_declaration_->printAsm(bindings, label_count); - bindings = declarator_->printAsm(bindings, label_count); + if(next_declaration_ != nullptr) + bindings = next_declaration_->printAsm(bindings, label_count); + if(next_list_declaration_ != nullptr) + bindings = next_list_declaration_->printAsm(bindings, label_count); + bindings = declarator_->printAsm(bindings, label_count); - return bindings; + return bindings; } Bindings ArrayDeclaration::localAsm(Bindings bindings, int &label_count) const { - if(next_declaration_ != nullptr) - bindings = next_declaration_->localAsm(bindings, label_count); - if(next_list_declaration_ != nullptr) - bindings = next_list_declaration_->localAsm(bindings, label_count); + if(next_declaration_ != nullptr) + bindings = next_declaration_->localAsm(bindings, label_count); + if(next_list_declaration_ != nullptr) + bindings = next_list_declaration_->localAsm(bindings, label_count); - if(getId() != "") - { - - int stack_position = bindings.currentStackPosition(); - std::shared_ptr<ArrayDeclaration> array_declaration( - std::dynamic_pointer_cast<ArrayDeclaration>(declarator_)); - std::vector<int> array_sizes = { size_ }; - while(array_declaration != nullptr) + if(getId() != "") { - array_sizes.push_back(array_declaration->getSize()); - array_declaration = std::dynamic_pointer_cast<ArrayDeclaration> - (array_declaration->getNextArrayDeclaration()); - } - - std::shared_ptr<Initializer> initializer; - if(initializer_ != nullptr) - { - initializer = std::static_pointer_cast<Initializer>(initializer_); - initializer->printInitializerAsm(bindings, label_count, array_sizes.size()-1, array_sizes, type_->type()); - } - else - { - int sum = 1; - std::for_each(array_sizes.begin(), array_sizes.end(), [&] (int n) { - sum *= n; - }); - sum *= getType()->getSize(); - bindings.increaseStackPosition(sum); + + int stack_position = bindings.currentStackPosition(); + std::shared_ptr<ArrayDeclaration> array_declaration( + std::dynamic_pointer_cast<ArrayDeclaration>(declarator_)); + std::vector<int> array_sizes = { size_ }; + while(array_declaration != nullptr) + { + array_sizes.push_back(array_declaration->getSize()); + array_declaration = std::dynamic_pointer_cast<ArrayDeclaration> + (array_declaration->getNextArrayDeclaration()); + } + + std::shared_ptr<Initializer> initializer; + if(initializer_ != nullptr) + { + initializer = std::static_pointer_cast<Initializer>(initializer_); + initializer->printInitializerAsm(bindings, label_count, array_sizes.size()-1, array_sizes, type_->type()); + } + else + { + int sum = 1; + std::for_each(array_sizes.begin(), array_sizes.end(), [&] (int n) { + sum *= n; + }); + sum *= getType()->getSize(); + bindings.increaseStackPosition(sum); + } + // reverse vector to store in binding + std::reverse(array_sizes.begin(), array_sizes.end()); + bindings.insertBinding(getId(), type_, stack_position, array_sizes); } - // reverse vector to store in binding - std::reverse(array_sizes.begin(), array_sizes.end()); - bindings.insertBinding(getId(), type_, stack_position, array_sizes); - } - return bindings; + return bindings; } void ArrayDeclaration::countDeclarations(int &declaration_count) const { - if(next_declaration_ != nullptr) - next_declaration_->countDeclarations(declaration_count); - if(next_list_declaration_ != nullptr) - next_list_declaration_->countDeclarations(declaration_count); - - std::shared_ptr<ArrayDeclaration> array_declaration( - std::dynamic_pointer_cast<ArrayDeclaration>(declarator_)); - int size = size_; - while(array_declaration != nullptr) - { - size *= array_declaration->getSize(); - array_declaration = std::dynamic_pointer_cast<ArrayDeclaration>( - array_declaration->getNextArrayDeclaration()); - } - - declaration_count += size; + if(next_declaration_ != nullptr) + next_declaration_->countDeclarations(declaration_count); + if(next_list_declaration_ != nullptr) + next_list_declaration_->countDeclarations(declaration_count); + + std::shared_ptr<ArrayDeclaration> array_declaration( + std::dynamic_pointer_cast<ArrayDeclaration>(declarator_)); + int size = size_; + while(array_declaration != nullptr) + { + size *= array_declaration->getSize(); + array_declaration = std::dynamic_pointer_cast<ArrayDeclaration>( + array_declaration->getNextArrayDeclaration()); + } + + declaration_count += size; } std::string ArrayDeclaration::getId() const { - return declarator_->getId(); + return declarator_->getId(); } int ArrayDeclaration::getSize() const { - return size_; + return size_; } DeclarationPtr ArrayDeclaration::getNextArrayDeclaration() const { - return declarator_; + return declarator_; } |