feat(parser): and_or_rule in progress

src/lexer/lexer_utils.c

@@ -98,6 +98,14 @@ static void set_token_keyword(struct token *tok, char *begin, ssize_t size)
     {
         tok->type = TOKEN_ELIF;
     }
+    else if (strncmp(begin, "&&", size) == 0)
+    {
+        tok->type = TOKEN_AND;
+    }
+    else if (strncmp(begin, "||", size) == 0)
+    {
+        tok->type = TOKEN_OR;
+    }
 
     // no keywords found.
     if (tok->type == TOKEN_NULL)

src/lexer/lexer_utils.h

@@ -56,7 +56,9 @@ enum token_type
     TOKEN_THEN,
     TOKEN_ELSE,
     TOKEN_FI,
-    TOKEN_ELIF
+    TOKEN_ELIF,
+    TOKEN_AND,
+    TOKEN_OR
 };
 
 struct token

src/parser/parsing_utils.c

@@ -13,6 +13,20 @@
 
 // === Static functions
 
+enum ast_and_or_type and_or_tok_to_ast(enum token_type tok_type)
+{
+    switch (tok_type)
+    {
+    case TOKEN_AND:
+        return AST_AND_OR_TYPE_AND;
+    case TOKEN_OR:
+        return AST_AND_OR_TYPE_OR;
+    default:
+        fprintf(stderr, "and_or impossible to init, wrong token type");
+        return AST_AND_OR_NULL;
+    }
+}
+
 /* Returns true if c is a command terminator, false otherwise
 static bool isterminator(struct token *token)
 {
@@ -98,7 +112,37 @@ struct ast *parse_list(struct lexer_context *ctx)
 
 struct ast *parse_and_or(struct lexer_context *ctx)
 {
-    return parse_pipeline(ctx);
+    struct ast *result = parse_pipeline(ctx);
+    struct token *token = PEEK_TOKEN();
+
+    if (token->type == TOKEN_AND || token->type == TOKEN_OR)
+    {
+        // set left part
+
+        struct ast *left = result;
+
+        // eat and_or token
+        token = POP_TOKEN();
+
+        // set type
+        enum ast_and_or_type type = and_or_tok_to_ast(token->type);
+
+        token = PEEK_TOKEN();
+
+        // skip newlines
+        while (token->type == TOKEN_NEWLINE)
+        {
+            token = POP_TOKEN();
+            token = PEEK_TOKEN();
+        }
+
+        // right part
+        struct ast *right = parse_pipeline(ctx);
+
+        result = ast_create_and_or(left, right, type);
+    }
+
+    return result;
 }
 
 struct ast *parse_pipeline(struct lexer_context *ctx)

src/utils/ast/ast_and_or.h

@@ -7,6 +7,7 @@
 
 enum ast_and_or_type
 {
+    AST_AND_OR_NULL,
     AST_AND_OR_TYPE_AND,
     AST_AND_OR_TYPE_OR
 };