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refactor(parser): change node handles to node results

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Refs: #1
This commit is contained in:
Aleksander Krajewski
2026-06-03 11:57:09 +02:00
parent a1b5726271
commit af982c11ed
11 changed files with 403 additions and 401 deletions
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furc/src/front/ir_generator.cpp
+18 -15
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@@ -22,7 +22,7 @@ void ir_generator::visit(const ast::function_definition_node& funcDef) {
return;
}
for (const auto& stmt : funcDef.body()->statements) {
stmt->accept(*this);
stmt.value()->accept(*this);
}
m_currentBlock->emplace<ir::return_instruction>();
@@ -30,12 +30,15 @@ void ir_generator::visit(const ast::function_definition_node& funcDef) {
}
void ir_generator::visit(const ast::return_statement_node& returnStmt) {
if (returnStmt.value().has_error()) {
std::cerr << returnStmt.value() << '\n';
if (!returnStmt.value().has_value()) return;
auto value = returnStmt.value().value();
if (value.has_error()) {
std::cerr << value.error() << '\n';
return;
}
if (returnStmt.value().present()) {
returnStmt.value()->accept(*this);
if (value.has_value()) {
value.value()->accept(*this);
push<ir::return_instruction>(ir::operand::new_reg(m_registerCounter - 1));
} else {
push<ir::return_instruction>();
@@ -43,19 +46,19 @@ void ir_generator::visit(const ast::return_statement_node& returnStmt) {
}
void ir_generator::visit(const ast::if_statement_node& node) {
node.cond()->accept(*this);
node.cond().value()->accept(*this);
ir_register cond = m_registerCounter - 1;
push<ir::branch_cond_instruction>(ir::operand::new_reg(cond),
m_currentFunction->blocks().size(),
m_currentFunction->blocks().size() + 1);
push_block(); // then block
node.then()->accept(*this);
if (node.elze().present()) {
node.then().value()->accept(*this);
if (node.elze().has_value()) {
m_currentBlock->emplace<ir::branch_instruction>(m_currentFunction->blocks().size() + 1);
push_block(); // else block
node.elze()->accept(*this);
node.elze().value().value()->accept(*this);
}
m_currentBlock->emplace<ir::branch_instruction>(m_currentFunction->blocks().size());
@@ -64,7 +67,7 @@ void ir_generator::visit(const ast::if_statement_node& node) {
void ir_generator::visit(const ast::compound_statement_node& node) {
for (const auto& stmt : node.body()->statements) {
stmt->accept(*this);
stmt.value()->accept(*this);
}
}
@@ -110,9 +113,9 @@ static inline furlang::ir::binary_op_instruction_t binary_op_instruction_t(ast::
}
void ir_generator::visit(const ast::binop_expression_node& node) {
node.lhs()->accept(*this);
node.lhs().value()->accept(*this);
ir_register lhs = m_registerCounter - 1;
node.rhs()->accept(*this);
node.rhs().value()->accept(*this);
ir_register rhs = m_registerCounter - 1;
ir_register dst = m_registerCounter++;
push<furlang::ir::binary_op_instruction>(binary_op_instruction_t(node.type()),
@@ -122,10 +125,10 @@ void ir_generator::visit(const ast::binop_expression_node& node) {
}
void ir_generator::visit(const ast::var_assign_expression_node& node) {
node.rhs()->accept(*this);
node.rhs().value()->accept(*this);
ir_register rhs = m_registerCounter - 1;
assert(node.lhs()->expression_type() == ast::expression_node_t::VarRead);
ast::var_read_expression_node_h lhs = node.lhs();
assert(node.lhs().value()->expression_type() == ast::expression_node_t::VarRead);
auto lhs = std::dynamic_pointer_cast<ast::var_read_expression_node>(node.lhs().value());
ir_register reg = 0;
if (auto it = m_variables.find(*lhs->get_name()); it != m_variables.end()) {