From 5c113af0ba00c0b797ea607e2b0fc5bf56303c9b Mon Sep 17 00:00:00 2001
From: savalet <savinien.petitjean@gmail.com>
Date: Mon, 28 Apr 2025 20:06:35 +0200
Subject: [PATCH] Add backslash

---
 src/ast.h           | 7 ++++---
 src/ast/ast.c       | 6 +++++-
 src/ast/tokeniser.c | 1 +
 src/globbing.c      | 6 +++++-
 src/shell.c         | 5 ++---
 5 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/src/ast.h b/src/ast.h
index 4187be7..df882ae 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -41,9 +41,10 @@ typedef enum {
     T_THEN = 1 << 18, // then
     T_ELSE = 1 << 19, // else
     T_ENDIF = 1 << 20, // endif
-    T_EOF = 1 << 21, // \0
-    T_ARG = 1 << 22,
-    T_INVALID = 1 << 23
+    T_STAR = 1 << 21, // *
+    T_EOF = 1 << 22, // \0
+    T_ARG = 1 << 23,
+    T_INVALID = 1 << 24
 } token_type_t;
 
 typedef enum {
diff --git a/src/ast/ast.c b/src/ast/ast.c
index 115e2d6..bd45218 100644
--- a/src/ast/ast.c
+++ b/src/ast/ast.c
@@ -20,8 +20,12 @@ ast_t *parse_arg(ast_ctx_t *ctx, ast_t *node)
     ctx->act_tok = get_next_token(ctx);
     if (ctx->act_tok.type == T_SEMICOLON)
         return node;
+    if (*ctx->act_tok.str == '\\') {
+        ctx->act_tok = get_next_token(ctx);
+        ctx->act_tok.type = T_ARG;
+    }
     if (ctx->act_tok.type & (T_ARG | T_REDIRECT | T_APPEND |
-        T_IN_REDIRECT | T_HEREDOC | T_VAR)) {
+        T_IN_REDIRECT | T_HEREDOC | T_VAR | T_STAR)) {
         if (!ensure_node_cap(node))
             return NULL;
         node->vector.tokens[node->vector.sz] = ctx->act_tok;
diff --git a/src/ast/tokeniser.c b/src/ast/tokeniser.c
index de25f5d..5cd1b5b 100644
--- a/src/ast/tokeniser.c
+++ b/src/ast/tokeniser.c
@@ -33,6 +33,7 @@ const tokens_list_t TOKENS_LIST[] = {
     { T_THEN, "then", 4, "T_THEN"},
     { T_ELSE, "else", 4, "T_ELSE"},
     { T_ENDIF, "endif", 5, "T_ENDIF"},
+    { T_STAR, "*", 1, "T_STAR"},
     { T_EOF, "\0", 1, "T_EOF" }
 };
 
diff --git a/src/globbing.c b/src/globbing.c
index 2b78391..346daff 100644
--- a/src/globbing.c
+++ b/src/globbing.c
@@ -48,7 +48,11 @@ bool process_args(ast_t *node, args_t *args, size_t *toks_i, ef_t *ef)
 {
     token_t tok = node->vector.tokens[*toks_i];
 
-    if (strcspn(tok.str, "*[]?") != strlen(tok.str))
+    if (strchr(tok.str, '\\') != NULL) {
+        args->args[args->sz] = tok.str;
+        return true;
+    }
+    if (tok.type == T_STAR || strcspn(tok.str, "[]?") != strlen(tok.str))
         return (process_globbing(tok.str, args));
     if (!ensure_args_capacity(args))
         return false;
diff --git a/src/shell.c b/src/shell.c
index 5f25136..a6d7387 100644
--- a/src/shell.c
+++ b/src/shell.c
@@ -16,10 +16,9 @@
 #include "debug.h"
 #include "env.h"
 #include "history.h"
+#include "local.h"
 #include "shell.h"
 #include "u_str.h"
-#include "local.h"
-#include "loop.h"
 
 __attribute__((unused))
 static
@@ -75,7 +74,7 @@ bool change_shell_command(char **buffer, exec_ctx_t *exec_ctx,
         free(tmp_buff);
         return false;
     }
-    U_DEBUG("Buffer [%lu] [%s]\n", buffer_len, buffer);
+    U_DEBUG("Buffer [%lu] [%s]\n", buffer_len, tmp_buff);
     visitor(tmp_buff, exec_ctx);
     free(tmp_buff);
     return false;