#
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at
http://mozilla.org/MPL/2.0/.
#
# This file incorporates work covered by the following license notice:
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed
# with this work for additional information regarding copyright
# ownership. The ASF licenses this file to you under the Apache
# License, Version 2.0 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at
http://www.apache.org/licenses/LICENSE-2.0 .
#
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
