st/lang
1
0
Fork 0
mirror of https://codeberg.org/ProgramSnail/lang.git synced 2026-01-25 13:07:13 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

fixes, expression printers

Browse source
This commit is contained in:
ProgramSnail 2023-07-24 21:23:18 +03:00
parent 3669084f55
commit bf49f4030c
9 changed files with 349 additions and 101 deletions
Download patch file Download diff file Expand all files Collapse all files

51
src/basic_printers.cpp
View file

@ -2,56 +2,29 @@
#include "error_handling.hpp"
#include <string>
namespace printers {
namespace utils {
std::string to_printable_symbol(char ch) {
switch (ch) {
case '\a':
return "\\a";
case '\b':
return "\\b";
case '\e':
return "\\e";
case '\f':
return "\\f";
case '\n':
return "\\n";
case '\r':
return "\\r";
case '\t':
return "\\t";
case '\v':
return "\\v";
// case ' ':
// return "\\s";
default:
return std::string(1, ch);
}
}
} // namespace utils
void print_literal(const nodes::Literal &literal, Printer &printer) {
switch (literal.get_any()->index()) {
case 0: // double
// print in parseable form ??
printer.print(literal.get<double>().value());
printer.print(std::to_string(*literal.get<double>().value()));
return;
case 1: // long long
printer.print(literal.get<long long>().value());
printer.print(std::to_string(*literal.get<long long>().value()));
return;
case 2: // std::string
printer.print("\"\"");
// more efficient approach ??
for (auto &ch : *literal.get<std::string>().value()) {
printer.print(utils::to_printable_symbol(ch));
}
printer.print("\"\"");
printer.print("\"");
printer.print_converted(
*literal.get<std::string>()
.value()); // special symbols are converted inside
printer.print("\"");
return;
case 3: // char
printer.print("\'\'");
printer.print(utils::to_printable_symbol(*literal.get<char>().value()));
printer.print_converted(std::string(1, *literal.get<char>().value()));
printer.print("\'\'");
return;
case 4: // bool
@ -72,11 +45,11 @@ void print_literal(const nodes::Literal &literal, Printer &printer) {
}
void print_identifier(const nodes::Identifier &identifier, Printer &printer) {
printer.print(identifier.get());
printer.print(*identifier.get());
}
void print_annotation(const std::string &annotation, Printer &printer) {
printer.print('@');
printer.print("@");
printer.print(annotation);
}