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