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1 | Initial symbol = <expression> | |
2 | ||
3 | <expression> ::= <arithmetic_expression> | <boolean_expression> | |
4 | ||
5 | <arithmetic_expression> ::= <arithmetic_expression_type> | | |
6 | <arithmetic_expression_type><operator><arithmetic_expression> | | |
7 | <parentized_expression> | | |
8 | <parentized_expression><operator><arithmetic_expression> | | |
9 | <polynomial_expression_with_result> | |
10 | ||
11 | <arithmetic_expression_type> ::= <function> | <number> | <polynomial_expression> | |
12 | ||
13 | <parentized_expression> ::= "(" <arithmetic_expression> ")" | |
14 | ||
15 | <boolean_expression> ::= <boolean_condition> | | |
16 | <boolean_condition> <boolean_operator> <boolean_expression> | | |
17 | <parentized_boolean_expression> | | |
18 | <parentized_boolean_expression><boolean_operator><boolean_expression> | |
19 | ||
20 | <parentized_boolean_expression> ::= "(" <boolean_expression> ")" | |
21 | ||
22 | <number> ::= <integer> | <float> | <signal><integer> | <signal><float> | |
23 | ||
24 | <integer> ::= <digit> | <digit><integer> | |
25 | ||
26 | <float> ::= <integer>"."<integer> | |
27 | ||
28 | <digit> ::= "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "0" | |
29 | ||
30 | <letter> ::= "a" | "b" | "c" | "d" | "e" | "f" | "g" | "h" | "i" | "j" | "k" | "l" | "m" | | |
31 | "n" | "o" | "p" | "q" | "r" | "s" | "t" | "u" | "v" | "w" | "x" | "y" | "z" | | |
32 | "A" | "B" | "C" | "D" | "E" | "F" | "G" | "H" | "I" | "J" | "K" | "L" | "M" | | |
33 | "N" | "O" | "P" | "Q" | "R" | "S" | "T" | "U" | "V" | "W" | "X" | "Y" | "Z" | |
34 | ||
35 | <signal> ::= "-" | "+" | |
36 | ||
37 | - | <operator> ::= "+" | "-" | "*" | "/" | "^" | "%" |
37 | + | <operator> ::= "+" | "-" | "*" | "/" | "%" | "^" |
38 | ||
39 | <relational_operator> ::= ">" | "<" | ">=" | "<=" | "==" | |
40 | ||
41 | <boolean_operator> ::= "&&" | "||" | |
42 | ||
43 | <boolean_condition> ::= "true" | "false" | |
44 | ||
45 | <function> ::= <function_name> "(" <parameter_list> ")" | |
46 | ||
47 | <function_name> ::= <letter> <name> | |
48 | ||
49 | <name> ::= <letter> | <digit> | <letter><name> | <digit><name> | "" | |
50 | ||
51 | <parameter_list> ::= <parameter> | <parameter>","<parameter_list> | |
52 | ||
53 | - | <parameter> ::= <function> | <number> | <polynomial_expression> |
53 | + | <parameter> ::= <function> | <number> | <function_polynomial_expression> |
54 | ||
55 | - | <polynomial_expression> ::= <polynomial_term> | |
55 | + | <function_polynomial_expression> ::= <polynomial_term> | |
56 | - | <polynomial_term> <operator> <polynomial_expression> |
56 | + | <polynomial_term><operator><function_polynomial_expression> |
57 | ||
58 | <polynomial_expression> ::= <polynomial_term> | |
59 | ||
60 | <polynomial_term> ::= <letter><exponent> | | |
61 | <signal><letter><exponent> | | |
62 | - | <exponent> ::= "^"<function><exponent> | |
62 | + | |
63 | - | "^"<polynomial_expression> | |
63 | + | |
64 | - | "^"<number><exponent> | "" |
64 | + | <exponent> ::= "^"<exponent_type><exponent> | "" |
65 | ||
66 | <exponent_type> ::= <function> | | |
67 | <number> | | |
68 | - | <result> ::= <function> | <number> | <polynomial_expression> |
68 | + | <function_polynomial_expression> | |
69 | <parentized_exponent_type> | |
70 | ||
71 | <parentized_exponent_type> ::= "(" <exponent_type> ")" | |
72 | ||
73 | <polynomial_expression_with_result> ::= <polynomial_expression> "=" <result> | |
74 | ||
75 | <result> ::= <function> | <number> | <function_polynomial_expression> |