minishell/exec/src/arith/arith.c

86 lines
2.9 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* arith.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/07/26 15:14:50 by maiboyer #+# #+# */
/* Updated: 2024/07/27 22:58:45 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "./arith.h"
/// ADD OPERATOR STUFF
t_error _binary_get_op(t_ast_arithmetic_operator op, t_arith_op_func *out)
{
if (out == NULL)
return (ERROR);
if (op == ARITH_PLUS)
return (*out = _binary_op_add, NO_ERROR);
if (op == ARITH_MINUS)
return (*out = _binary_op_sub, NO_ERROR);
if (op == ARITH_MULT)
return (*out = _binary_op_mul, NO_ERROR);
if (op == ARITH_DIVIDE)
return (*out = _binary_op_div, NO_ERROR);
if (op == ARITH_MOD)
return (*out = _binary_op_mod, NO_ERROR);
return (ERROR);
}
//NOT FINISH
t_error _get_node_number(t_ast_node self, t_state *state, t_i64 *out)
{
if (self == NULL || state == NULL || out == NULL)
return (ERROR);
if (self->kind == AST_ARITHMETIC_LITTERAL)
return (run_arithmetic_literal(\
&self->data.arithmetic_literal, state, out));
if (self->kind == AST_ARITHMETIC_BINARY)
return (run_arithmetic_binary(\
&self->data.arithmetic_binary, state, out));
return (ERROR);
}
// this is black magic don't worry
t_ast_node _arith_binary_to_ast_node(t_ast_arithmetic_binary *self)
{
t_u8 *ptr;
ptr = (void *)(self);
return ((void *)(ptr - offsetof(\
struct s_ast_node, data.arithmetic_binary)));
}
/// AFTER 65
/// the from node needs to change
/// if they find a raw_string, it is a variable expansion,
/// so create a AST_EXPANSION
/// AFTER 67
/// probably an variable expansion i guess
t_error run_arithmetic_literal(t_ast_arithmetic_literal *arithmetic_literal, \
t_state *state, t_i64 *out)
{
if (arithmetic_literal == NULL || state == NULL || out == NULL)
return (ERROR);
if (arithmetic_literal->value->kind == AST_RAW_STRING)
return (str_to_i64(\
arithmetic_literal->value->data.raw_string.str, 10, out));
return (ERROR);
}
t_error run_arithmetic_binary(t_ast_arithmetic_binary *arithmetic_binary, \
t_state *state, t_i64 *out)
{
t_arith_op_func func;
if (arithmetic_binary == NULL || state == NULL || out == NULL)
return (ERROR);
if (_binary_get_op(arithmetic_binary->op, &func))
return (ERROR);
if (func(_arith_binary_to_ast_node(arithmetic_binary), state, out))
return (ERROR);
return (NO_ERROR);
}