primary-expression :
identifier
constant
string-literal
( expression )
expression :
assignment-expression
expression , assignment-expression
constant-expression :
conditional-expression
conditional-expression :
logical-OR-expression
logical-OR-expression ? expression : conditional-expression
assignment-expression :
conditional-expression
unary-expression assignment-operator assignment-expression
postfix-expression :
primary-expression
postfix-expression [ expression ]
postfix-expression ( argument-expression-list opt )
postfix-expression . identifier
postfix-expression –> identifier
postfix-expression ++
postfix-expression ––
argument-expression-list :
assignment-expression
argument-expression-list , assignment-expression
unary-expression :
postfix-expression
++ unary-expression
–– unary-expression
unary-operator cast-expression
sizeof unary-expression
sizeof ( type-name )
unary-operator : one of
& * + – ~ !
cast-expression :
unary-expression
( type-name ) cast-expression
multiplicative-expression :
cast-expression
multiplicative-expression * cast-expression
multiplicative-expression / cast-expression
multiplicative-expression % cast-expression
additive-expression :
multiplicative-expression
additive-expression + multiplicative-expression
additive-expression – multiplicative-expression
shift-expression :
additive-expression
shift-expression << additive-expression
shift-expression >> additive-expression
relational-expression :
shift-expression
relational-expression < shift-expression
relational-expression > shift-expression
relational-expression <= shift-expression
relational-expression >= shift-expression
equality-expression :
relational-expression
equality-expression == relational-expression
equality-expression != relational-expression
AND-expression :
equality-expression
AND-expression & equality-expression
exclusive-OR-expression :
AND-expression
exclusive-OR-expression ^ AND-expression
inclusive-OR-expression :
exclusive-OR-expression
inclusive-OR-expression | exclusive-OR-expression
logical-AND-expression :
inclusive-OR-expression
logical-AND-expression && inclusive-OR-expression
logical-OR-expression :
logical-AND-expression
logical-OR-expression || logical-AND-expression