Parse tree format (left) and abstract syntax tree (right).

Parse tree format (left) and abstract syntax tree (right).

Context in source publication

Context 1
... abstract syntax tree on the other hand, ignores a significant amount of the syntactic information that a parse tree; which is a pictorial version of the grammatical structure of a sentence, would contain. Figure 2 demonstrates graphically the parse tree and AST using arithmetic expression 2 + (2 + 2) ...