DefinedTracker Struct Reference

Collaboration diagram for DefinedTracker:

List of all members.

Public Types
enum	TrackerState { DefinedMacro, NotDefinedMacro, Unknown }
Public Attributes
enum DefinedTracker::TrackerState	State
IdentifierInfo *	TheMacro

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Detailed Description

DefinedTracker - This struct is used while parsing expressions to keep track of whether !defined(X) has been seen.

With this simple scheme, we handle the basic forms: !defined(X) and !defined X but we also trivially handle (silly) stuff like: !!!defined(X) and +!defined(X) and !+!+!defined(X) and !(defined(X)).

Definition at line 68 of file PPExpressions.cpp.

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Member Enumeration Documentation

enum DefinedTracker::TrackerState

Each time a Value is evaluated, it returns information about whether the parsed value is of the form defined(X), !defined(X) or is something else.

Enumerator:

DefinedMacro
NotDefinedMacro
Unknown

Definition at line 71 of file PPExpressions.cpp.

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Member Data Documentation

enum DefinedTracker::TrackerState DefinedTracker::State

Referenced by EvaluateDefined(), and EvaluateValue().

IdentifierInfo* DefinedTracker::TheMacro

TheMacro - When the state is DefinedMacro or NotDefinedMacro, this indicates the macro that was checked.

Definition at line 78 of file PPExpressions.cpp.

Referenced by EvaluateDefined().

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The documentation for this struct was generated from the following file:

• PPExpressions.cpp