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84 lines
1.8 KiB
C++
84 lines
1.8 KiB
C++
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#include "basic_printers.hpp"
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#include "error_handling.hpp"
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namespace printers {
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namespace utils {
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std::string to_printable_symbol(char ch) {
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switch (ch) {
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case '\a':
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return "\\a";
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case '\b':
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return "\\b";
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case '\e':
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return "\\e";
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case '\f':
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return "\\f";
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case '\n':
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return "\\n";
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case '\r':
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return "\\r";
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case '\t':
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return "\\t";
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case '\v':
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return "\\v";
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// case ' ':
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// return "\\s";
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default:
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return std::string(1, ch);
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}
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}
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} // namespace utils
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void print_literal(const nodes::Literal &literal, Printer &printer) {
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switch (literal.get_any()->index()) {
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case 0: // double
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// print in parseable form ??
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printer.print(literal.get<double>().value());
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return;
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case 1: // long long
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printer.print(literal.get<long long>().value());
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return;
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case 2: // std::string
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printer.print("\"\"");
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// more efficient approach ??
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for (auto &ch : *literal.get<std::string>().value()) {
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printer.print(utils::to_printable_symbol(ch));
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}
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printer.print("\"\"");
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return;
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case 3: // char
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printer.print("\'\'");
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printer.print(utils::to_printable_symbol(*literal.get<char>().value()));
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printer.print("\'\'");
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return;
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case 4: // bool
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printer.print(literal.get<bool>().value() ? "true" : "false");
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return;
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case 5: // unit
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printer.print("()");
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return;
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case 6: // null
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printer.print("null");
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return;
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default:
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break;
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}
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error_handling::handle_general_error("Unreachable");
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exit(1); // unreachable
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}
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void print_identifier(const nodes::Identifier &identifier, Printer &printer) {
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printer.print(identifier.get());
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}
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void print_annotation(const std::string &annotation, Printer &printer) {
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printer.print('@');
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printer.print(annotation);
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}
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} // namespace printers
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