Function AST_BuildReferenceMap

src/ast/ast_build_reference_map.c:510–522

Populate the AST's map of all referenced aliases.

// Populate the AST's map of all referenced aliases.
void AST_BuildReferenceMap(AST *ast, const cypher_astnode_t *project_clause) {
	ast->referenced_entities = raxNew();

	// If this segment is followed by a projection clause, map that clause's references.
	if(project_clause) _AST_MapProjectionClause(ast, project_clause);

	// Check every clause in this AST.
	uint clause_count = cypher_ast_query_nclauses(ast->root);
	for(uint i = 0; i < clause_count; i++) {
		const cypher_astnode_t *clause = cypher_ast_query_get_clause(ast->root, i);
		_ASTClause_BuildReferenceMap(ast, clause);
	}
}