diff options
Diffstat (limited to 'c_compiler/src/expression.cpp')
| -rw-r--r-- | c_compiler/src/expression.cpp | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/c_compiler/src/expression.cpp b/c_compiler/src/expression.cpp index 3df0a94..59440ec 100644 --- a/c_compiler/src/expression.cpp +++ b/c_compiler/src/expression.cpp @@ -147,7 +147,32 @@ PostfixArrayElement::PostfixArrayElement(Expression *postfix_expression, Express Bindings PostfixArrayElement::printAsm(Bindings bindings, int &label_count) const { - stackPosition(bindings, label_count); + std::shared_ptr<PostfixArrayElement> array_element + (std::dynamic_pointer_cast<PostfixArrayElement>(postfix_expression_)); + + std::vector<int> array_sizes = bindings.getArraySizes(postfix_expression_->id()); + + int counter = 1; + printf("\tmove\t$t1,$0\n"); + index_expression_->printAsm(bindings, label_count); + printf("\taddu\t$t1,$t1,$2\n"); + while(array_element != nullptr) + { + array_element->getIndex()->printAsm(bindings, label_count); + int sum = 0; + std::for_each(array_sizes.end()-counter, array_sizes.end(), [&] (int n) { + sum += n; + }); + printf("\tmul\t$2,$2,%d\n", sum); + printf("\taddu\t$t1,$t1,$2\n"); + array_element = std::dynamic_pointer_cast<PostfixArrayElement>(array_element->getPostfix()); + counter++; + } + auto identifier_expression = std::make_shared<Identifier>(postfix_expression_->id()); + identifier_expression->stackPosition(bindings, label_count); + printf("\tsll\t$t1,$t1,%d\n", postfix_expression_->getType(bindings)->getSize()/2); + printf("\taddu\t$t0,$t0,$t1\n"); + TypePtr type_ptr = postfix_expression_->getType(bindings); std::shared_ptr<Pointer> pointer_type_ptr; pointer_type_ptr = std::dynamic_pointer_cast<Pointer>(type_ptr); @@ -185,6 +210,25 @@ TypePtr PostfixArrayElement::getType(const Bindings &bindings) const return postfix_expression_->getType(bindings); } +std::string PostfixArrayElement::id() const +{ + return postfix_expression_->id(); +} + +ExpressionPtr PostfixArrayElement::getIndex() const +{ + if(index_expression_ == nullptr) + throw std::runtime_error("Error : No index expression found"); + return index_expression_; +} + +ExpressionPtr PostfixArrayElement::getPostfix() const +{ + if(postfix_expression_ == nullptr) + throw std::runtime_error("Error : No index expression postfix"); + return postfix_expression_; +} + // PostfixFunctionCall |