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i hate this

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This commit is contained in:
bronku 2025-11-25 18:02:30 +01:00
parent 619ea2c03f
commit 269b932a3b
1 changed files with 10 additions and 4 deletions
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14
src/lexer.l
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@ -1,7 +1,7 @@
%option c++
%option noyywrap
%option yyclass="Scanner"
%x STRING_DQ STRING_SQ STRING_TDQ STRING_TSQ
%x STRING_DQ STRING_SQ STRING_TDQ STRING_TSQ NEWLINE
%{
#include "scanner.hpp"
@ -10,11 +10,15 @@
%}
%%
<NEWLINE>^[ \t]*\r?\n { /* Ignore lines containing whitespace only */ }
<NEWLINE>^[ \t]*#.*\n { /* Ignore comment-only lines */ }
^[ \t]*\r?\n { /* Ignore lines containing whitespace only */ }
^[ \t]*#.*\n { /* Ignore comment-only lines */ }
^[ \t]+ {
<NEWLINE>[ \t]+ {
BEGIN(INITIAL);
int col = indent_stack.calculateColumn(yytext, yyleng);
auto action = indent_stack.updateIndentation(col);
@ -22,14 +26,16 @@
if (action == IndentAction::Dedent) return yy::parser::token::TOK_DEDENT;
}
^. {
<NEWLINE>. {
BEGIN(INITIAL);
// Line starts with non-whitespace (column 0)
auto action = indent_stack.updateIndentation(0);
yyless(0);
if (action == IndentAction::Indent) return yy::parser::token::TOK_INDENT;
if (action == IndentAction::Dedent) return yy::parser::token::TOK_DEDENT;
}
\n { return yy::parser::token::TOK_NEWLINE; }
\n { BEGIN(NEWLINE);return yy::parser::token::TOK_NEWLINE; }
def { return yy::parser::token::TOK_KW_DEF; }
if { return yy::parser::token::TOK_KW_IF; }