diff options
Diffstat (limited to 'slideshow/source/engine/arith-grammar.txt')
| -rw-r--r-- | slideshow/source/engine/arith-grammar.txt | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/slideshow/source/engine/arith-grammar.txt b/slideshow/source/engine/arith-grammar.txt deleted file mode 100644 index b12d320ef..000000000 --- a/slideshow/source/engine/arith-grammar.txt +++ /dev/null @@ -1,61 +0,0 @@ -Based on the C grammar for arithmetic expressions -================================================= - -number_digit = '0'|'1'|'2'|'3'|'4'|'5'|'6'|'7'|'8'|'9' - -number_exponent = 'e'|'E' - -basic_number = basic_number number_digit | number_digit - -number = - basic_number | - - basic_number number_exponent basic_number | - basic_number number_exponent '-' basic_number | - basic_number number_exponent '+' basic_number | - - '.' basic_number number_exponent basic_number | - '.' basic_number number_exponent '-' basic_number | - '.' basic_number number_exponent '+' basic_number | - - basic_number '.' number_exponent basic_number | - basic_number '.' number_exponent '-' basic_number | - basic_number '.' number_exponent '+' basic_number | - - basic_number '.' basic_number number_exponent basic_number | - basic_number '.' basic_number number_exponent '-' basic_number | - basic_number '.' basic_number number_exponent '+' basic_number - - -identifier = '$'|'pi'|'e'|'X'|'Y'|'Width'|'Height' - ^ ^ ^ ^ ^ - | | | | | - '$' in PPT | | | | - '#ppt_x' in PPT | | | - '#ppt_y' in PPT | | - '#ppt_w' in PPT | - '#ppt_h' in PPT - -unary_function = 'abs'|'sqrt'|'sin'|'cos'|'tan'|'atan'|'acos'|'asin'|'exp'|'log' -binary_function = 'min'|'max' - - -basic_expression = - number | - identifier | - unary_function '(' additive_expression ')' | - binary_function '(' additive_expression ',' additive_expression ')' | - '(' additive_expression ')' - -unary_expression = '-' basic_expression - -multiplicative_expression = - basic_expression | - multiplicative_expression '*' basic_expression | - multiplicative_expression '/' basic_expression - -additive_expression = - multiplicative_expression | - additive_expression '+' multiplicative_expression | - additive_expression '-' multiplicative_expression - |