PostgreSQL's Parser Implementation with Flex and Bison
Understanding PostgreSQL's Parser Architecture
When examining PostgreSQL's source code, one might notice that the conventional Bison parser function yyparse is replaced by base\_yyparse(). This modification is part of PostgreSQL's customized implementation of Flex and Bison for its SQL parsing needs.
The PostgreSQL parser configuration in gram. ...
Posted on Tue, 23 Jun 2026 16:50:25 +0000 by jstarkweather
Lexical Analysis Implementation in C Language
char prog[200], token[20];
char ch;
int syn, p, m = 0, n, row, sum = 0;
const char* kwList[10] = {"if","int","for","while","do","return","break","continue","using","namesapce"};
const char* idList[8] = {"main","a","b" ...
Posted on Mon, 15 Jun 2026 17:22:14 +0000 by pacome