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norm: almost everything

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maix0 2024-10-12 16:22:37 +02:00
parent 8122ecfc95
commit 54a1041aa7
9 changed files with 311 additions and 264 deletions
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124
parser/src/yard/yard.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* yard.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/07 18:04:13 by rparodi #+# #+# */
/* Updated: 2024/10/12 16:11:10 by maiboyer ### ########.fr */
/* */
/* ************************************************************************** */
#include "ast/ast.h"
#include "me/printf/printf.h"
#include "me/printf/printf.h"
#include "me/types.h"
#include "me/vec/vec_token.h"
#include "parser/token.h"
#include <stdio.h>
int _get_prec(t_token *token);
t_str token_name(t_token *token);
t_error ast_from_cmd(t_token tok, t_vec_ast *output_queue);
t_error ast_from_op(t_token tok, t_vec_ast *output_queue);
t_error _yard_parenthesis(\
t_token tok, t_vec_token *stack, t_vec_ast *output_queue)
{
t_token op;
t_ast_node snode;
t_ast_node tmp;
token_free(tok);
while (vec_token_last(stack) != NULL && \
vec_token_last(stack)->type != TOK_LPAREN)
{
vec_token_pop(stack, &op);
if (ast_from_op(op, output_queue))
return (token_free(op), ERROR);
}
if (!(vec_token_last(stack) != NULL && \
vec_token_last(stack)->type == TOK_LPAREN))
return (ERROR);
vec_token_pop(stack, &tok);
token_free(tok);
snode = ast_alloc(AST_SUBSHELL);
vec_ast_pop(output_queue, &tmp);
vec_ast_push(&snode->data.subshell.body, tmp);
vec_ast_push(output_queue, snode);
return (NO_ERROR);
}
t_error _yard_operator(t_token tok, t_vec_token *stack, t_vec_ast *output_queue)
{
t_token op;
while (vec_token_last(stack) != NULL && vec_token_last(stack)->type \
!= TOK_LPAREN && _get_prec(vec_token_last(stack)) > _get_prec(&tok))
{
vec_token_pop(stack, &op);
if (ast_from_op(op, output_queue))
return (token_free(tok), token_free(op), ERROR);
}
vec_token_push(stack, tok);
return (NO_ERROR);
}
t_error _yard_final(t_vec_token stack, t_vec_ast output_q, t_vec_ast *out)
{
t_token op;
while (!vec_token_pop(&stack, &op))
{
if (op.type == TOK_LPAREN)
return (token_free(op), ERROR);
if (ast_from_op(op, &output_q))
return (vec_token_free(stack), vec_ast_free(output_q), \
token_free(op), ERROR);
}
vec_token_free(stack);
return (*out = output_q, NO_ERROR);
}
t_error _yard_loop(t_token tok, t_vec_token *stack, t_vec_ast *output_q)
{
if (tok.type == TOK_CMD)
{
if (ast_from_cmd(tok, output_q))
return (ERROR);
}
else if (tok.type == TOK_OR \
|| tok.type == TOK_AND || tok.type == TOK_PIPE)
{
if (_yard_operator(tok, stack, output_q))
return (ERROR);
}
else if (tok.type == TOK_RPAREN)
{
if (_yard_parenthesis(tok, stack, output_q))
return (ERROR);
}
else if (tok.type == TOK_LPAREN)
vec_token_push(stack, tok);
else
return (me_eprintf("Syntax Error\n"), ERROR);
return (NO_ERROR);
}
t_error yard(t_vec_token ts, t_vec_ast *out)
{
t_token tok;
t_vec_ast output_q;
t_vec_token stack;
output_q = vec_ast_new(16, ast_free);
stack = vec_token_new(16, token_free);
while (!vec_token_pop_front(&ts, &tok))
{
if (_yard_loop(tok, &stack, &output_q))
return (vec_token_free(stack), vec_ast_free(output_q), ERROR);
}
vec_token_free(ts);
return (_yard_final(stack, output_q, out));
}