zeek/src/script_opt/StmtOptInfo.h

31 lines
872 B
C++

// See the file "COPYING" in the main distribution directory for copyright.
// Auxiliary information associated with statements to aid script
// optimization.
#pragma once
namespace zeek::detail
{
class StmtOptInfo
{
public:
// We number statements by their traversal order in the AST.
int stmt_num = -1; // -1 = not assigned yet
// The confluence block nesting associated with the statement.
// We number these using 0 for the outermost block of a function
// (which, strictly speaking, isn't a confluence block).
int block_level = -1;
// True if we observe that there is a branch out of the statement
// to just beyond its extent, such as due to a "break".
bool contains_branch_beyond = false;
// Whether this statement is free of the possible influence
// of conditional code.
bool is_free_of_conditionals = true;
};
} // namespace zeek::detail