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i need a source code compute logical expressions in lex/yacc

Hi.
i need a source code compute logical expressions in lex/yacc.
for Example:
(20>5) or (6<=6)--->true
(1<=2) and (3==1) --->false.

Jan 2 '07 #1
2 4467
deltaa5 wrote:
Hi.
i need a source code compute logical expressions in lex/yacc.
And your C++ language question is...?
for Example:
(20>5) or (6<=6)--->true
(1<=2) and (3==1) --->false.
Doesn't look so logical to me.

Jan 2 '07 #2

deltaa5 napsal:
Hi.
i need a source code compute logical expressions in lex/yacc.
for Example:
(20>5) or (6<=6)--->true
(1<=2) and (3==1) --->false.
You can reuse example in bison manual. See
http://www.gnu.org/software/bison/ma...tml#Infix-Calc
it does almost the same you need, you have to change only operations.

Jan 2 '07 #3

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