Lexical preprocessors are the lowest-level of preprocessors, in so far as they alone crave lexical analysis, that is, they accomplish on the antecedent text, above-mentioned to any parsing, by assuming simple barter of tokenized appearance sequences for added tokenized appearance sequences, according to user-defined rules. They about accomplish macro substitution, textual admittance of added files, and codicillary accumulation or inclusion.
No comments:
Post a Comment