backslash should work, also keep NL when they are quoted

42sh/Makefile

@@ -145,6 +145,7 @@ lexer/lexer_comment.c\
 lexer/lexer_default.c\
 lexer/lexer_delim.c\
 lexer/lexer_dquote.c\
+lexer/lexer_end.c\
 lexer/lexer_great.c\
 lexer/lexer_greatand.c\
 lexer/lexer_less.c\

42sh/includes/lexer.h

@@ -32,16 +32,12 @@
 # define TK_PAREN_CLOSE	(1 << 12)
 # define TK_BQUOTE		(1 << 13)
 # define TK_WORD		(1 << 14)
-/* # define TK_N_WORD		(1 << 14) */
-/* # define TK_Q_WORD		(1 << 15) */
-/* # define TK_DQ_WORD		(1 << 16) */
 # define TK_COMMAND		(1 << 17)
 # define TK_SUBSHELL	(1 << 18)
 # define TK_NEWLINE		(1 << 19)
 
-/* # define TK_WORD			(TK_N_WORD | TK_Q_WORD | TK_DQ_WORD) */
 # define TK_REDIR			(0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20)
-# define TK_NON_FREEABLE	(TK_PAREN_OPEN | TK_PAREN_CLOSE | TK_BQUOTE)
+# define TK_NON_FREEABLE	(TK_BQUOTE)
 
 enum	e_lexstate
 {
@@ -62,6 +58,7 @@ enum	e_lexstate
 	BACKSLASH,
 	PAREN,
 	COMMENT,
+	END,
 };
 
 struct	s_token
@@ -120,5 +117,6 @@ int			lexer_bquote(t_list **alst, t_lexer *lexer);
 int			lexer_backslash(t_list **alst, t_lexer *lexer);
 int			lexer_paren(t_list **alst, t_lexer *lexer);
 int			lexer_comment(t_list **alst, t_lexer *lexer);
+int			lexer_end(t_list **alst, t_lexer *lexer);
 
 #endif

42sh/src/lexer/get_state_global.c

@@ -33,5 +33,7 @@ t_lexstate		get_state_global(t_lexer *lexer)
 		return (BQUOTE);
 	else if (c == '(' || c == ')')
 		return (PAREN);
+	else if (c == 0)
+		return (END);
 	return (0);
 }

42sh/src/lexer/lexer_bquote.c

@@ -33,7 +33,19 @@ int		lexer_bquote(t_list **alst, t_lexer *lexer)
 		lexer->state = top_state == DQUOTE_BQUOTE ? DQUOTE : DEFAULT;
 		return (lexer_lex(alst, lexer));
 	}
+	if (lexer->str[lexer->pos] == '\\')
+	{
+		lexer->pos++;
+		if (lexer->str[lexer->pos] == 0)
+		{
+			push(&lexer->stack, BACKSLASH);
+			return (0);
+		}
+		else
+			token_append(token, lexer, 1, 1);
+		lexer->pos++;
+		return (lexer_lex(alst,lexer));
+	}
 	lexer->pos++;
 	return (lexer_lex(alst, lexer));
 }
-

42sh/src/lexer/lexer_dquote.c

@@ -21,7 +21,6 @@ int		lexer_dquote(t_list **alst, t_lexer *lexer)
 	if (lexer->str[lexer->pos] == '"')
 	{
 		lexer->pos++;
-		/* if (!(lexer->stack && *(int*)lexer->stack->content != BQUOTE)) */
 		if (!(lexer->stack && *(int*)lexer->stack->content == DQUOTE))
 		{
 			push(&lexer->stack, DQUOTE);
@@ -33,16 +32,16 @@ int		lexer_dquote(t_list **alst, t_lexer *lexer)
 	}
 	if (lexer->str[lexer->pos] == '\\')
 	{
-		if (lexer->str[lexer->pos + 1] == '"')
-			token_append(token, lexer, 1, 0);
-		else if (lexer->str[lexer->pos + 1] == 0)
+		lexer->pos++;
+		if (lexer->str[lexer->pos] == 0)
 		{
 			push(&lexer->stack, BACKSLASH);
 			return (0);
 		}
+		else
+			token_append(token, lexer, 1, 1);
 		lexer->pos++;
-		token_append(token, lexer, 1, 1);
-		return (lexer_dquote(alst,lexer));
+		return (lexer_lex(alst,lexer));
 	}
 	else if (lexer->str[lexer->pos] == '`')
 	{

42sh/src/lexer/lexer_end.c

@@ -0,0 +1,18 @@
+#include "lexer.h"
+
+int		lexer_end(t_list **alst, t_lexer *lexer)
+{
+	t_token		*token;
+
+	token = (*alst)->content;
+	if (lexer->state == QUOTE
+			|| lexer->state == DQUOTE
+			|| lexer->state == BQUOTE)
+	{
+		ft_strappend(&lexer->str, (char[]){'\n', 0});
+		token_append(token, lexer, 1, 0);
+		lexer->pos++;
+		return (0);
+	}
+	return (0);
+}

42sh/src/lexer/lexer_lex.c

@@ -31,6 +31,7 @@ int		(*g_lexer[])(t_list **alst, t_lexer *lexer) =
 	&lexer_backslash,
 	&lexer_paren,
 	&lexer_comment,
+	&lexer_end,
 };
 
 int		ft_is_delim(char c)
@@ -42,8 +43,8 @@ int		lexer_lex(t_list **alst, t_lexer *lexer)
 {
 	t_token	*token;
 
-	if (!lexer->str[lexer->pos])
-		return (0);
+	if (lexer->str[lexer->pos] == 0)
+		return (lexer_end(alst, lexer));
 	if (!*alst)
 	{
 		token = token_init();

42sh/src/main/main.c

@@ -34,8 +34,6 @@ int		interactive_shell()
 		DG("[{mag}%s{eoc}] stack=[%i] state=[%i]", lexer.str, lexer.stack ? *(int*)lexer.stack->content : 0, lexer.state);
 		token_print(token);
 	} while (lexer.stack);
-	DG("after lexing");
-	token_print(token);
 	if (ft_parse(&ast, &token))
 		return (1);
 	btree_print(STDBUG, ast, &ft_putast);