SLiCAPlex.py

SLiCAP tokenizer for netlist files.

Imported by the module SLiCAPmath.py

find_column(token)

Computes and returns the column number of ‘token’.

Parameters:token (ply.lex.token) – Token of which the column number has to be calculated. Returns:Column position of this token. Return type:int

printError(msg, line, pos)

Prints the line with the error and an error message, and shows the position of the error.

Parameters:

• msg (str) – Error message.
• line – Input line with the error.
• line – str
• pos (int) – Position of therror in the input line.

Returns:

out: Input line with error message.

Return type:

str

replaceScaleFactors(txt)

Replaces scale factors in expressions with their value in scientific notation:

Parameters:txt (str) – Expression or number with scale factors Returns:out: Text in which scale factors are replaced with their corresponding scientific notation. Return type:str Example:

>>> replaceScaleFactors('sin(2*pi*1M)')
'sin(2*pi*1E6)'

t_CMD(t)

.[a-zA-Z]+

t_COMMENT(t)

*.*|(;.*)

t_EXPR(t)

{[w()/+-^ .]}

t_LEFTBR(t)

(

t_PARAMS(t)

params:/i

t_PARDEF(t)

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

t_RETURN(t)

r

t_SCALE(t)

[+-]?d+.?d*[yzafpnumkMGTPEZY]

t_SCI(t)

[+-]?d+.?d*[eE][+-]?d+

t_error(t)

t_newline(t)

n+

t_t_RIGHTBR(t)

)

tokenize(cirFileName)

Reset the lexer, and create the tokens from the file: ‘cirFileName’.

Parameters:cirFileName (str) – Name of the netlist file to be tokenized. Returns:lexer Return type:ply.lex.lex

tokenizeTxt(textString)

Reset the lexer, and create the tokens from text input ‘textString’.

Parameters:textString (str) – Text input to be tokenized. Returns:lexer Return type:ply.lex.lex