Nasal-Interpreter/src/ast_dumper.h

89 lines
2.9 KiB
C++

#pragma once
#include "ast_visitor.h"
#include <iostream>
#include <cstring>
#include <sstream>
#include <vector>
namespace nasal {
class ast_dumper: public ast_visitor {
private:
std::vector<std::string> indent;
private:
void push_indent() {
if (indent.size()) {
if (indent.back()=="|--") {
indent.back() = "| ";
} else if (indent.back()=="+--") {
indent.back() = " ";
}
}
indent.push_back("|--");
}
void pop_indent() {indent.pop_back();}
void set_last() {indent.back() = "+--";}
void dump_indent() {
if (indent.size() && indent.back()=="| ") {
indent.back() = "|--";
}
for(const auto& i : indent) {
std::cout << i;
}
}
std::string format_location(const span& location) {
std::stringstream ss;
ss << " -> ";
location.dump_begin(ss);
ss << "\n";
return ss.str();
}
public:
bool visit_use_stmt(use_stmt*) override;
bool visit_null_expr(null_expr*) override;
bool visit_nil_expr(nil_expr*) override;
bool visit_number_literal(number_literal*) override;
bool visit_string_literal(string_literal*) override;
bool visit_identifier(identifier*) override;
bool visit_bool_literal(bool_literal*) override;
bool visit_vector_expr(vector_expr*) override;
bool visit_hash_expr(hash_expr*) override;
bool visit_hash_pair(hash_pair*) override;
bool visit_function(function*) override;
bool visit_code_block(code_block*) override;
bool visit_parameter(parameter*) override;
bool visit_ternary_operator(ternary_operator*) override;
bool visit_binary_operator(binary_operator*) override;
bool visit_unary_operator(unary_operator*) override;
bool visit_call_expr(call_expr*) override;
bool visit_call_hash(call_hash*) override;
bool visit_call_vector(call_vector*) override;
bool visit_call_function(call_function*) override;
bool visit_slice_vector(slice_vector*) override;
bool visit_definition_expr(definition_expr*) override;
bool visit_assignment_expr(assignment_expr*) override;
bool visit_multi_identifier(multi_identifier*) override;
bool visit_tuple_expr(tuple_expr*) override;
bool visit_multi_assign(multi_assign*) override;
bool visit_while_expr(while_expr*) override;
bool visit_for_expr(for_expr*) override;
bool visit_iter_expr(iter_expr*) override;
bool visit_forei_expr(forei_expr*) override;
bool visit_condition_expr(condition_expr*) override;
bool visit_if_expr(if_expr*) override;
bool visit_continue_expr(continue_expr*) override;
bool visit_break_expr(break_expr*) override;
bool visit_return_expr(return_expr*) override;
public:
void dump(code_block* root) {
root->accept(this);
}
};
}