belka/elna
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Implement defer

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This commit is contained in:
Eugen Wissner
2025-02-07 22:12:59 +01:00
parent 077de53c74
commit 8a0f282714
13 changed files with 484 additions and 335 deletions
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21
boot/lexer.ll
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@ -127,6 +127,9 @@ as {
sizeof {
return yy::parser::make_SIZEOF(this->location);
}
defer {
return yy::parser::make_DEFER(this->location);
}
[A-Za-z_][A-Za-z0-9_]* {
return yy::parser::make_IDENTIFIER(yytext, this->location);
}
@ -155,15 +158,12 @@ sizeof {
return yy::parser::make_CHARACTER(std::string(&character, 1), this->location);
}
'\\[0nabtfrv\\'"?]' {
std::optional<char> escape = elna::boot::escape_char(yytext[2]);
if (escape.has_value())
{
return yy::parser::make_CHARACTER(std::string(&escape.value(), 1), this->location);
}
else
char escape = elna::boot::escape_char(yytext[2]);
if (escape == escape_invalid_char)
{
REJECT;
}
return yy::parser::make_CHARACTER(std::string(&escape, 1), this->location);
}
\"[[:print:]]*\" {
std::string result;
@ -191,15 +191,12 @@ sizeof {
{
++current_position;
std::optional<char> escape = elna::boot::escape_char(*current_position);
if (escape.has_value())
{
result.push_back(escape.value());
}
else
char escape = elna::boot::escape_char(*current_position);
if (escape == elna::boot::escape_invalid_char)
{
REJECT;
}
result.push_back(escape);
}
else
{