Syntaxe
=======

.. code-block:: text

    mode_meca = COMB_SISM_MODAL(
        ◆ MODE_MECA     = mode_meca,
        ◇ / TOUT_ORDRE  = / "OUI",
                          / "NON",
          / NUME_ORDRE  = int,
          / FREQ        = float,
          / NUME_MODE   = int,
          / LIST_FREQ   = listr8,
          / LIST_ORDRE  = listis,
        # Si: exists("FREQ") or exists("LIST_FREQ")
            ◇ PRECISION = float (défaut: 0.001),
            ◇ CRITERE   = / "RELATIF" (par défaut),
                          / "ABSOLU",
        ◆ / AMOR_REDUIT = float,
          / LIST_AMOR   = listr8,
          / AMOR_GENE   = matr_asse_gene_r,
        ◇ MODE_CORR     = / "OUI",
                          / "NON" (par défaut),
        # Si: equal_to("MODE_CORR", 'OUI')
            ◆ PSEUDO_MODE   = mode_meca,
            ◇ FREQ_COUP     = float,
        ◇ TYPE_ANALYSE      = / "MONO_APPUI" (par défaut),
                              / "MULT_APPUI",
                              / "ENVELOPPE"
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◆ APPUIS    = _F(
                    ◆ NOM       = text,
                    ◆ GROUP_NO  = grno,
                            ),
        # Si: equal_to("TYPE_ANALYSE", 'MONO_APPUI')
            ◆ SPECTRE   = _F(
                 ◆ LIST_AXE     = / "X",
                                  / "Y",
                                  / "Z",
                 ◆ SPEC_OSCI    = formule / nappe,
                 ◇ ECHELLE      = float (défaut: 1.0),
                 ◇ NATURE       = / "ACCE" (par défaut),
                                  / "VITE",
                                  / "DEPL",
                 ◇ CORR_FREQ    = / "OUI",
                                  / "NON" (par défaut),
                            ),
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◆ SPECTRE   = _F(
                 ◆ LIST_AXE     = / "X",
                                  / "Y",
                                  / "Z",
                 ◆ SPEC_OSCI    = formule / nappe,
                 ◇ ECHELLE      = float (défaut: 1.0),
                 ◇ NATURE       = / "ACCE" (par défaut),
                                  / "VITE",
                                  / "DEPL",
                 ◇ CORR_FREQ    = / "OUI",
                                  / "NON" (par défaut),
                 ◆ NOM_APPUI    = text,
                            ),
        ◇ DEPL_MULT_APPUI = _F(
             ◆ MODE_STAT = mode_meca,
             ◆ NOM_APPUI = text,
             ◆ | DX = float,
               | DY = float,
               | DZ = float,
                              ),
        ◆ COMB_MODE = _F(
             ◇ TYPE = / "SRSS",
                      / "CQC" (par défaut),
                      / "DSC",
                      / "ABS",
                      / "DPC",
                      / "GUPTA",
                      / "NRC_GROUPING"
                      / "NRC_DSA"
                      / "NRC_TEN_PERCENT"
             # Si: equal_to("TYPE", 'GUPTA')
                 ◆ FREQ_1 = float,
                 ◆ FREQ_2 = float,
             # Si: equal_to("TYPE", 'DSC')
                 ◆ DUREE  = float,
             # Si: equal_to("TYPE", 'NRC_DSA')
                 ◆ DUREE  = float,
          ),
        ◇ COMB_DIRECTION = / "QUAD",
                           / "NEWMARK" (par défaut),
                           / "ABS",
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◆ GROUP_APPUI_CORRELE = _F(
                 ◆ / TOUT       = "OUI" (ou non renseigné),
                   / LIST_APPUI = text,
                 ◆ NOM          = text,
              ),
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◇ COMB_DDS_CORRELE = / "QUAD",
                                 / "LINE",
                                 / "ABS" (par défaut),
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◇ CUMUL_INTER = / "QUAD" (par défaut),
                            / "LINE",
                            / "ABS",
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◇ CUMUL_INTRA = / "QUAD",
                            / "LINE" (par défaut),
                            / "ABS",
        ◆ OPTION = / "DEPL",
                   / "VITE",
                   / "ACCE_ABSOLU",
                   / "REAC_NODA",
                   / "FORC_NODA",
                   / "SIGM_ELNO",
                   / "SIEF_ELGA",
                   / "SIPO_ELNO",
                   / "EFGE_ELNO",
                   / "EGRU_ELNO",
                   / "SIEF_ELNO",
        # Si: equal_to("TYPE_ANALYSE", 'MONO_APPUI')
            ◆ TYPE_RESU = _F(
                 ◇ TYPE = / "VALE_SPEC",
                          / "VALE_QS",
                          / "VALE_DIRE",
                          / "VALE_DYNA",
                          / "VALE_INER",
                          / "VALE_TOTA" (par défaut),
                 # Si: equal_to("TYPE", 'VALE_SPEC')
                     ◆ / TOUT_ORDRE = / "OUI",
                                      / "NON",
                       / NUME_ORDRE = int,
                       / LIST_ORDRE = listis,
                       / NUME_MODE  = int,
                       / FREQ       = float,
                       / LIST_FREQ  = listr8,
                     # Si: exists("FREQ") or exists("LIST_FREQ")
                         ◇ PRECISION = float (défaut: 0.001),
                         ◇ CRITERE   = / "RELATIF" (par défaut),
                                       / "ABSOLU",
                     ◆ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_OSCI')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_QS')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_DIRE')
                     ◆ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_TOTA')
                     ◇ NEWMARK = / "OUI",
                                 / "NON",
                 # Si: equal_to("TYPE", 'VALE_DYNA')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_INER')
                     ◇ NEWMARK = / "OUI",
                                 / "NON",
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
              ),
        # Si: is_in("TYPE_ANALYSE", ('MULT_APPUI', 'ENVELOPPE'))
            ◆ TYPE_RESU = _F(
                 ◇ TYPE = / "VALE_SPEC",
                          / "VALE_QS",
                          / "VALE_DIRE",
                          / "VALE_DDS",
                          / "VALE_DYNA",
                          / "VALE_INER",
                          / "VALE_TOTA" (par défaut),
                 # Si: equal_to("TYPE", 'VALE_SPEC')
                     ◆ / TOUT_ORDRE = / "OUI",
                                      / "NON",
                       / NUME_ORDRE = int,
                       / LIST_ORDRE = listis,
                       / NUME_MODE  = int,
                       / FREQ       = float,
                       / LIST_FREQ  = listr8,
                     # Si: exists("FREQ") or exists("LIST_FREQ")
                         ◇ PRECISION = float (défaut: 0.001),
                         ◇ CRITERE   = / "RELATIF" (par défaut),
                                       / "ABSOLU",
                     ◇ / LIST_APPUI = text,
                       / TOUT_APPUI = "OUI" (ou non renseigné),
                     ◆ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_OSCI')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_QS')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_DDS')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_DIRE')
                     ◆ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_TOTA')
                     ◇ NEWMARK = "OUI" (ou non renseigné),
                 # Si: equal_to("TYPE", 'VALE_DYNA')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
                 # Si: equal_to("TYPE", 'VALE_INER')
                     ◇ LIST_AXE = / "X",
                                  / "Y",
                                  / "Z",
              ),
        ◇ INFO  = / 1 (par défaut),
                  / 2,
        ◇ TITRE = text,
    )

    ◆ : obligatoire
    ◇ : optionnel
    ⟐ : présent par défaut
    & : ensemble
    / : un seul parmi
    | : plusieurs choix possibles