Symbol table for symbol Management

An instance that outputs a symbol table Type table and various symbol tables in the symbol table Module

Examples include:

Table constants table externals table identifierstable globals table types table labels;

The types table involves

The subset of the symbol table above implements three namespaces of ansi c. Identifiers stores the General identifier. externals stores the identifier declared as extern, which is used to warn that the external identifier declaration conflict globals is part of the identifiers table and stores the identifier with a file scope.

The internal identifier defined by the compiler is saved in labels, and the type tag is saved in types.