Syntax
=====

.. code-block:: text

    list_inst = DEFI_LIST_INST (
        ◇ MODELE = model,
        ◇ METHODE =/"AUTO ",
                    /"MANUEL" (by default),
        # If: equal_to (" METHODE ", 'MANUEL')
            ◆ DEFI_LIST = _F (
                 ◆/VALE = float,
                   /LIST_INST = listr8,
                   /RESULTAT = result,
                 ◇ & SUBD_PAS = int,
              ),
        # If: (equal_to (" METHODE ", 'AUTO'))
            ◆ DEFI_LIST = _F (
                 ◆/VALE = float,
                   /LIST_INST = listr8,
                 ◇ PAS_MINI = float,
                 ◇ PAS_MAXI = float,
                 ◇ NB_PAS_MAXI = int (default: 1000000),
              ),
        ECHEC = _F (
             ◇ EVENEMENT =/"COLLISION ",
                           /"DELTA_GRANDEUR ",
                           /"DIVE_RESI ",
                           /"ERREUR" (by default),
                           /"INSTABILITE ",
                           /"INTERPENETRATION ",
                           /"RESI_MAXI ",
             # If: equal_to (" EVENEMENT ", 'ERREUR')
                 # If: equal_to (" ACTION ", 'DECOUPE') or equal_to (" ACTION ", 'AUTRE_PILOTAGE')
                     # If: equal_to (" SUBD_METHODE ", 'AUTO')
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     # If: equal_to (" SUBD_METHODE ", 'MANUEL')
                         ◇ SUBD_PAS = int (default: 4),
                         ◇ SUBD_NIVEAU = int (default: 3),
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     ◇ SUBD_METHODE =/"AUTO ",
                                      /"MANUEL" (by default),
                 # If: equal_to (" ACTION ", 'ITER_SUPPL')
                     # If: equal_to (" SUBD_METHODE ", 'AUTO')
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     # If: equal_to (" SUBD_METHODE ", 'MANUEL')
                         ◇ SUBD_PAS = int (default: 4),
                         ◇ SUBD_NIVEAU = int (default: 3),
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     ◇ PCENT_ITER_PLUS = int (default: 50),
                     ◇ SUBD_METHODE =/"AUTO ",
                                      /"MANUEL" (by default),
                 ◇ ACTION =/"ARRET ",
                            /"AUTRE_PILOTAGE ",
                            /"DECOUPE" (by default),
                            /"ITER_SUPPL ",
             # If: equal_to (" EVENEMENT ", 'DELTA_GRANDEUR')
                 # If: equal_to (" ACTION ", 'DECOUPE') or equal_to (" ACTION ", 'AUTRE_PILOTAGE')
                     # If: equal_to (" SUBD_METHODE ", 'AUTO')
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     # If: equal_to (" SUBD_METHODE ", 'MANUEL')
                         ◇ SUBD_PAS = int (default: 4),
                         ◇ SUBD_NIVEAU = int (default: 3),
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     ◇ SUBD_METHODE =/"AUTO ",
                                      /"MANUEL" (by default),
                 ◇/GROUP_MA = grma,
                   /GROUP_NO = big,
                 ◆ VALE_REF = float,
                 ◆ NOM_CHAM =/"DEPL ",
                              /"SIEF_ELGA ",
                              /"VARI_ELGA ",
                 ◆ NOM_CMP = text,
                 ◇ ACTION =/"ARRET ",
                            /"DECOUPE" (by default),
             # If: equal_to (" EVENEMENT ", 'COLLISION')
                 # If: equal_to (" ACTION ", 'DECOUPE')
                     # If: equal_to (" SUBD_METHODE ", 'MANUEL')
                         ◇ SUBD_PAS = int (default: 4),
                         ◇ SUBD_NIVEAU = int (default: 3),
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     # If: equal_to (" SUBD_METHODE ", 'AUTO')
                         ◆ SUBD_INST = float,
                         ◆ SUBD_DUREE = float,
                     ◇ SUBD_METHODE =/"AUTO" (by default),
                                      /"MANUEL ",
                 ◇ ACTION =/"ARRET ",
                            /"DECOUPE" (by default),
             # If: equal_to (" EVENEMENT ", 'INTERPENETRATION')
                 # If: equal_to (" ACTION ", 'ADAPT_COEF_PENA')
                     ◇ COEF_MAXI = float (default: 1000000000000.0),
                 ◆ PENE_MAXI = float,
                 ◇ ACTION =/"ADAPT_COEF_PENA" (by default),
                            /"ARRET ",
             # If: equal_to (" EVENEMENT ", 'DIVE_RESI')
                 # If: equal_to (" ACTION ", 'DECOUPE') or equal_to (" ACTION ", 'AUTRE_PILOTAGE')
                     # If: equal_to (" SUBD_METHODE ", 'AUTO')
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     # If: equal_to (" SUBD_METHODE ", 'MANUEL')
                         ◇ SUBD_PAS = int (default: 4),
                         ◇ SUBD_NIVEAU = int (default: 3),
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     ◇ SUBD_METHODE =/"AUTO ",
                                      /"MANUEL" (by default),
                 ◇ ACTION = "DECOUPE ",
             # If: equal_to (" EVENEMENT ", 'RESI_MAXI')
                 # If: equal_to (" ACTION ", 'DECOUPE') or equal_to (" ACTION ", 'AUTRE_PILOTAGE')
                     # If: equal_to (" SUBD_METHODE ", 'AUTO')
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     # If: equal_to (" SUBD_METHODE ", 'MANUEL')
                         ◇ SUBD_PAS = int (default: 4),
                         ◇ SUBD_NIVEAU = int (default: 3),
                         ◇ SUBD_PAS_MINI = float (default: 0.0),
                     ◇ SUBD_METHODE =/"AUTO ",
                                      /"MANUEL" (by default),
                 ◆ RESI_GLOB_MAXI = float,
                 ◇ ACTION = "DECOUPE ",
             # If: equal_to (" EVENEMENT ", 'INSTABILITE')
                 ◇ ACTION =/"ARRET ",
                            /"CONTINUE" (by default),
          ),
        # If: equal_to (" METHODE ", 'AUTO')
            ADAPTATION = _F (
                 ◇ EVENEMENT =/"AUCUN ",
                               /"SEUIL" (by default),
                               /"TOUT_INST ",
                 # If: equal_to (" EVENEMENT ", 'SEUIL')
                     ◇ NB_INCR_SEUIL = int (default: 2),
                     ◇ NOM_PARA = "NB_ITER_NEWTON ",
                     ◇ CRIT_COMP =/"GE",
                                   /"GT",
                                   /"THE" (by default),
                                   /"LT",
                     # If: equal_to (" NOM_PARA ", 'NB_ITER_NEWTON')
                         ◇ VALE_I = int,
                 ◇ MODE_CALCUL_TPLUS =/"DELTA_GRANDEUR ",
                                       /"FIXE" (by default),
                                       /"IMPLEX ",
                                       /"ITER_NEWTON ",
                 # If: equal_to (" MODE_CALCUL_TPLUS ", 'FIXE')
                     ◇ PCENT_AUGM = float (default: 100.0),
                 # If: equal_to (" MODE_CALCUL_TPLUS ", 'DELTA_GRANDEUR')
                     ◇/GROUP_MA = grma,
                       /GROUP_NO = big,
                     ◆ VALE_REF = float,
                     ◆ NOM_CHAM =/"DEPL ",
                                  /"SIEF_ELGA ",
                                  /"VARI_ELGA ",
                     ◆ NOM_CMP = text,
                 # If: equal_to (" MODE_CALCUL_TPLUS ", 'ITER_NEWTON')
                     ◆ NB_ITER_NEWTON_REF = int,
              ),
        ◇ INFO =/1 (by default),
                 /2,
    )

    ◆: mandatory
    ◇: optional
    : present by default
    &: together
    /: only one among
    |: several possible choices