CExpressionBase

Abstract base class for AST expressions.

API > API/Runtime > API/Runtime/VerseCompiler > API/Runtime/VerseCompiler/uLang > API/Runtime/VerseCompiler/uLang/Semantics

Inheritance Hierarchy

References

   
Module VerseCompiler
Header /Engine/Source/Runtime/VerseCompiler/Public/uLang/Semantics/Expression.h
Include #include "uLang/Semantics/Expression.h"

Syntax

class CExpressionBase :  
    public uLang::CAstNode ,  
    public uLang::CAttributable

Remarks

Abstract base class for AST expressions. Created from abstract syntax tree (CExpressionBase and CSemanticProgram) generated by semantic analyzer.

Variables

  Type Name Description
Protected variable TOptional< SAnalysisResult > _Report  

Constructors

  Type Name Description
Public function  

CExpressionBase ( EVstMappingType VstMappingType
)

  
Public function  

CExpressionBase ( const CTypeBase* InResultType
)

  

Functions

  Type Name Description
Public function Static bool  
Public function Static bool

AreSubExprsEqual ( const TArray< TSPtr< CExpressionBase > >& Lhs,
const TArray< TSPtr< CExpressionBase > >& Rhs
)

  
Public function Static bool Comparison.
Public function Virtual Const bool

CanFail ()

 Returns whether the expression may fail.
Public function Const EInvokeTime Determines if expression is immediate (completes within the current update/frame) or async (completes within the current update/frame or later).
Public function Virtual Const const CExpressionBase * Returns itself or the first async sub-expression or return nullptr if it and all its sub-expressions are immediate.
Public function Virtual Const const CTypeBase *

GetResultType ( const CSemanticProgram& Program
)

 Type methods.
Public function Const const CTypeBase *  
Public function void

IrSetResultType ( const CTypeBase* TypeBase
)

  
Public function Const bool  
Public function Static bool

IsSubExprEqual ( const CExpressionBase& Lhs,
const CExpressionBase& Rhs
)

  
Public function Static bool

IsSubExprEqual ( const CExpressionBase* Lhs,
const CExpressionBase* Rhs
)

 CExpressionBase Inline Methods.
Public function Static bool

IsSubExprEqual ( const TSRef< CExpressionBase >& Lhs,
const TSRef< CExpressionBase >& Rhs
)

  
Public function Static bool

IsSubExprEqual ( const TSPtr< CExpressionBase >& Lhs,
const TSPtr< CExpressionBase >& Rhs
)

  
Public function void

RefineResultType ( const CTypeBase* RefinedResultType
)

  
Public function void

SetResultType ( const CTypeBase* InResultType
)

  

Overridden from CAstNode

  Type Name Description
Public function Virtual CExpressionBase *  
Public function Virtual Const const CExpressionBase *  
Public function Virtual Const bool  
Public function Virtual Const void Iterates over this AST node's immediate fields, calling Visitor.VisitImmediate for each immediate field.

Operators

  Type Name Description
Public function Const bool

operator!= ( const CExpressionBase& Other
)

  
Public function Const bool

operator== ( const CExpressionBase& Other
)

  

Classes

  Type Name Description
Protected struct SAnalysisResult Analysis Results.  

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