Function AST_GetClause

src/ast/ast.c:280–296

retrieve the first instance of the specified clause in the AST segment if any

// retrieve the first instance of the specified clause in the AST segment if any
const cypher_astnode_t *AST_GetClause
(
	const AST *ast,
	cypher_astnode_type_t clause_type,
	uint *clause_idx
) {
	uint clause_count = cypher_ast_query_nclauses(ast->root);
	for(uint i = 0; i < clause_count; i ++) {
		const cypher_astnode_t *child = cypher_ast_query_get_clause(ast->root, i);
		if(cypher_astnode_type(child) == clause_type) {
			if(clause_idx) *clause_idx = i;
			return child;
		}
	}

	return NULL;
}

const cypher_astnode_t *AST_GetClauseByIdx
(