Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...
This is a COBOL parser based on an ANTLR4 grammar, which generates an Abstract Syntax Tree (AST) and Abstract Semantic Graph (ASG) for COBOL code. The AST represents plain COBOL source code in a ...