Function AST_ReferredFunctions

src/ast/ast.c:262–277

recursively collect the names of all function calls beneath a node

// recursively collect the names of all function calls beneath a node
void AST_ReferredFunctions
(
	const cypher_astnode_t *root,
	rax *referred_funcs
) {
	cypher_astnode_type_t root_type = cypher_astnode_type(root);
	if(root_type == CYPHER_AST_APPLY_OPERATOR || root_type == CYPHER_AST_APPLY_ALL_OPERATOR) {
		_consume_function_call_expression(root, referred_funcs);
	} else {
		uint child_count = cypher_astnode_nchildren(root);
		for(int i = 0; i < child_count; i++) {
			const cypher_astnode_t *child = cypher_astnode_get_child(root, i);
			AST_ReferredFunctions(child, referred_funcs);
		}
	}
}

// retrieve the first instance of the specified clause in the AST segment if any
const cypher_astnode_t *AST_GetClause