/
logger.d
56 lines (48 loc) · 1.49 KB
/
logger.d
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module logger;
import lex.token;
import lex.lexer;
import tango.io.Stdout;
import tango.util.Convert;
import tango.text.Util;
class Logger {
private:
bool _errors = false;
void _printerror(Lexer lexer, char[] msg, char[] desc, char[][] usages, uint line, uint column) {
Stdout("Syntax Error: ")(lexer.filename).newline;
Stdout(" Line (")(line)(":")(column)(") ")(lexer.line(line).replace('\t', ' ')).newline;
uint position = to!(char[])(line).length + 1 + to!(char[])(column).length + 11;
for (uint i; i < position; i++) {
Stdout(" ");
}
Stdout("\x1b[1;31m");
for (uint i = 0; i < column-1; i++) {
Stdout("-");
}
Stdout("^\x1b[0;37m").newline;
//Console.forecolor = Color.Gray;
Stdout(" Reason: ")(msg).newline;
if (desc !is null) {
Stdout(" Hint: \x1b[1;33m")(desc)("\x1b[0;37m").newline;
}
if (usages !is null) {
Stdout(" Usage: ")("\x1b[0;34m")(usages[0])("\x1b[0;37m").newline;
foreach(usage; usages[1..$]) {
Stdout(" ")("\x1b[0;34m")(usage)("\x1b[0;37m").newline;
}
}
_errors = true;
}
public:
void error(Lexer lexer, Token token, char[] msg, char[] desc = null, char[][] usages = null) {
_printerror(lexer, msg, desc, usages, token.line, token.column);
}
void errorAtEnd(Lexer lexer, Token token, char[] msg, char[] desc = null, char[][] usages = null) {
_printerror(lexer, msg, desc, usages, token.lineEnd, token.columnEnd);
}
bool errors() {
return _errors;
}
void println(char[] string) {
Stdout(string).newline;
}
}