guillm/42sh
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

feat(parser): redirections

Browse source
This commit is contained in:
Matteo Flebus 2026-01-27 19:56:33 +01:00
parent 04ff7376eb
commit 8a5c589742
17 changed files with 78 additions and 108 deletions
Download patch file Download diff file Expand all files Collapse all files

28
src/parser/grammar_advanced.c
View file

@ -1,3 +1,5 @@
#define _POSIX_C_SOURCE 200809L
#include "grammar_advanced.h"
#include <stdio.h>
@ -8,23 +10,20 @@
static enum ast_redir_type redir_tok_to_ast_type(enum token_type tok_type)
{
switch(tok_type)
switch (tok_type)
{
case TOKEN_REDIR_LEFT:
return AST_REDIR_TYPE_LESS;
case TOKEN_REDIR_RIGHT:
return AST_REDIR_TYPE_GREAT;
// TODO finish this
default:
return AST_REDIR_TYPE_NULL;
case TOKEN_REDIR_LEFT:
return AST_REDIR_TYPE_LESS;
case TOKEN_REDIR_RIGHT:
return AST_REDIR_TYPE_GREAT;
// TODO finish this
default:
return AST_REDIR_TYPE_NULL;
}
}
struct ast *parse_redirection(struct lexer_context *ctx)
{
(void)ctx;
return NULL;
/*
struct token *token = PEEK_TOKEN();
int io_number = -1;
if (token->type == TOKEN_IONUMBER)
@ -37,10 +36,9 @@ struct ast *parse_redirection(struct lexer_context *ctx)
if (!is_token_redir(token))
{
perror("Syntax error: expected a redirection token but got something "
"else");
"else");
return NULL;
}
// char *redir_op = strdup(token->data);
enum ast_redir_type redir_type = redir_tok_to_ast_type(token->type);
POP_TOKEN();
@ -49,14 +47,12 @@ struct ast *parse_redirection(struct lexer_context *ctx)
if (token->type != TOKEN_WORD)
{
perror("Syntax error: expected a word after redirection");
// free(redir_op);
return NULL;
}
char *target = strdup(token->data);
POP_TOKEN();
return ast_create_redir(io_number, redir_type, target);
*/
return ast_create_redir(target, io_number, redir_type);
}
struct ast *parse_prefix(struct lexer_context *ctx)