Function t_PARDEF

SLiCAP/SLiCAPlex.py:22–70

r"""[a-zA-Z]\w*\s*\=\s*({[\w\(\)\/*+-\^ .]*} |([+-]?\d+\.?\d*[eE][+-]?\d+) |([+-]?\d+\.?\d*[yzafpnumkMGTP]) |([+-]?\d+\.\d*) |([+-]?\d+))

(t)

                    #'E':'18','Z':'21','Y':'24'}

def t_PARDEF(t):
    r"""[a-zA-Z]\w*\s*\=\s*({[\w\(\)\/*+-\^ .]*}
    |([+-]?\d+\.?\d*[eE][+-]?\d+)
    |([+-]?\d+\.?\d*[yzafpnumkMGTP])
    |([+-]?\d+\.\d*)
    |([+-]?\d+))"""
    # remove whitespace characters
    t.value = "".join(t.value.split())
    # split name and value/expression
    t.value = t.value.split('=')
    # replace scale factors in t.value[1]
    if t.value[1][0] == '{' and t.value[1][-1] == '}':
        # Do this for an expression
        try:
            sym_in = sp.sympify(t.value[1][1:-1]).atoms(sp.Symbol)
        except:
            sym_in = []
        pos = 1
        out = ''
        for m in re.finditer(r'\d+\.?\d*[yzafpnumkMGTP]', t.value[1]):
            out += t.value[1][pos: m.end()-1] + 'e' + _SCALEFACTORS[m.group(0)[-1]]
            pos = m.end()
        out += t.value[1][pos:-1]
        sym_out = sp.sympify(out).atoms(sp.Symbol)
        for item in sym_in:
            if item not in sym_out:
                _printError("Error in parameter name %s"%(str(item)), t)
        t.value[1] = out
    else:
        # Do this for a numeric value: last character is scale factor
        try:
            scaleFactor = _SCALEFACTORS[t.value[1][-1]]
            t.value[1] = t.value[1][0:-1] + 'e' + scaleFactor
        except KeyError:
            pass
    try:
        value = sp.sympify(t.value[1], rational=True)
        t.value[1] = value
    except TypeError:
        exc_type, value, exc_traceback = sys.exc_info()
        print('\n', value)
        _printError("Error in expression.", t)
        lexer.errCount += 1
    except sp.SympifyError:
        exc_type, value, exc_traceback = sys.exc_info()
        print('\n', value)
        _printError("Error in expression.", t)
        lexer.errCount += 1
    return t

def t_CMD(t):
    r'\.[a-zA-Z]+'