The for keyword

The initial section of for statement

The conditional section of for statement

The incremental section of for statement

The statement section of for statement

\(x+y\): x + y

add operation for pointer \(p+x,x+p\): p + x, x + p

\(x-y\): x - y

sub operation for pointer \(p-x\): p - x

The distance of pointers \(p-q\): p - q

\(x\times y\): x * y

\(x\div y\): x / y

\(x\bmod y\): x % y

addition assignment: a += b

subtraction assignment: a -= b

multiplication assignment: a *= b

division assignment: a /= b

addition assignment for pointer: p += q

subtraction assignment for pointer: p -= q

logical and: x && y

logical or: x || y

bitwise and: x & y

bitwise and assignment: a &= b

bitwise or: x | y

bitwise or assignment: a |= b

bitwise xor: x ^ y

bitwise xor assignment: a ^= b

bitwise not: ~x

left shift: x << y

left shift assignment: a <<= b

right shift: x >> y

right shift assignment: a >>= b

\(x\lt y\): x < y

\(x\leq y\): x <= y

\(x\gt y\): x > y

\(x\geq y\): x >= y

\(x=y\): x == y

\(x\not= y\): x != y

not operator !: !x

addressing operator &: &x

dereferencing operator *: *p

assign operator: x=y

pre-increment operator: ++a

pre-decrement operator: --a

post-increment operator: a++

post-decrement operator: a--

The number

conditional operator: a ? x : y;. It has three AST (cond, then and else)

comma operator: x,b

the cast operation: (type) x

accessing the member of the struct

the return keyword

the if keyword

the else keyword

the switch keyword, it has the conditional expression and compound statement by cases or defaults

the case keyword, it has the value of label number and a constant value

the default keyword

the while keyword

the for keyword

the break keyword

the continue keyword

the goto keyword, it has name of the target label

the label, it has name of label.

the compound statement

the local variable. It has a type information (as StorageClass) and an offset value

the global variable. It has a type information (as StorageClass) and an name

the function definition

the function call. It has a offset value and arguments (Maybe)

the expression of a statement

the statement of a expression (GNU extension)

indicates nothing to do

The empty node

ATKind representing the kind of node and the two branches ATree it has