Autonomous Development of Algorithmic Concepts for Program Comprehension

Table 1

Positions for noncontrolling language points in the first row of a matrix.

Position	Language point (node in the parse tree)
6	Assignment expression
7	Addition
8	Subtraction
9	Multiplication
10	Division
11	Modulus
12	Logical and
13	Logical or
14	Logical negation
15	Greater than
16	Less than
17	Greater than or equal to
18	Less than or equal to
19	Equal to
20	Not equal to
21	Array
22	Variable declarator
23	Variable
24	Decimal integer constant
25	Octal integer constant
26	Return statement
27	Continue statement
28	Break statement
29	Input
30	Output