PUMA Library Reference Manual
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Puma::CT_Expression Class Reference

#include <Puma/CTree.h>

Inheritance diagram for Puma::CT_Expression:

Description

Base class for all expression tree nodes.

Public Member Functions

 CT_Expression ()
 Constructor.
const char * NodeName () const
 Get the name of the node.
int Sons () const
 Get the number of sons.
CTypeInfo * Type () const
 Get the type of the expression.
CExprValue * Value () const
 Get the value of the expression.
CSemValue * SemValue () const
 Get the semantic value information of the expression.
virtual CT_Expression * IsExpression ()
 Get this.
Public Member Functions inherited from Puma::CTree
virtual ~CTree ()
 Destructor.
virtual CTree * Son (int n) const
 Get the n-th son.
virtual Token * token () const
 Get the first token of the syntactic construct represented by this sub-tree.
virtual Token * end_token () const
 Get the last token of the syntactic construct represented by this sub-tree.
virtual CT_Token * token_node () const
 Get the CT_Token node of the first token of the syntactic construct represented by this sub-tree.
virtual CT_Token * end_token_node () const
 Get the CT_Token node of the last token of the syntactic construct represented by this sub-tree.
virtual void ReplaceSon (CTree *old_son, CTree *new_son)
 Replace a son.
virtual CTree * Parent () const
 Get the parent node.
virtual CSemScope * SemScope () const
 Get the scope opened by the node.
virtual CSemObject * SemObject () const
 Get the semantic information of the node.
virtual CT_SimpleName * IsSimpleName ()
 Get a pointer to CT_SimpleName if the current node represents a name.
virtual CT_String * IsString ()
 Get a pointer to CT_String if the current node represents a string.
virtual CT_Declarator * IsDeclarator ()
 Get a pointer to CT_Declarator if the current node represents a declarator.
virtual CT_Statement * IsStatement ()
 Get a pointer to CT_Statement if the current node represents a statement.
virtual CT_Decl * IsDeclaration ()
 Get a pointer to CT_Decl if the current node represents a declaration.
virtual CT_Call * IsCall ()
 Get a pointer to CT_Call if the current node represents a call expression.
virtual CT_List * IsList ()
 Get a pointer to CT_List if the current node represents a list.
virtual CT_DelayedParse * IsDelayedParse ()
 Get a pointer to CT_DelayedParse if the current node represents a delayed code fragment.
bool HasValueNull () const
 Return true if the tree has the constant value 0.
Public Member Functions inherited from Puma::CSemValue
 CSemValue ()
 Constructor.
virtual ~CSemValue ()
 Destructor.
void setValue (CExprValue *v)
 Set the semantic value information object.
void setValueRef (CExprValue *v)
 Set the semantic value information object as reference.
void setType (CTypeInfo *t)
 Set the type information object.
void setTypeRef (CTypeInfo *t)
 Set the type information object as reference.
CExprValue * getValue ()
 Get the semantic information about the value.
CTypeInfo * getType ()
 Get the type of the value.

Static Public Member Functions

static const char * NodeId ()
 Get the identifier for this node type.

Additional Inherited Members

Static Public Attributes inherited from Puma::CTree
static int alloc
static int release
Protected Member Functions inherited from Puma::CTree
CTree * Son (CTree *const *sons, int len, int n) const
 Get the n-th son from given sons array.
int Sons (CTree *const *sons, int len) const
 Get the number of sons in the given sons array.
void ReplaceSon (CTree **sons, int len, CTree *old_son, CTree *new_son)
 Replace a son.
void ReplaceSon (CTree *&son, CTree *old_son, CTree *new_son)
 Replace a son if it equals the given son.
void AddSon (CTree *&son, CTree *new_son)
 Add a new son.
void SetParent (const CTree *parent)
 Set the parent tree node.
void SetParent (CTree *node, const CTree *parent)
 Set the parent tree node of the given tree node.
 CTree ()
 Default constructor.
Protected Attributes inherited from Puma::CSemValue
CExprValue * value
 The semantic value information object.
CTypeInfo * type
 The type information object.

Constructor & Destructor Documentation

◆ CT_Expression()

Puma::CT_Expression::CT_Expression ( )
inline

Constructor.

Member Function Documentation

◆ IsExpression()

virtual CT_Expression * Puma::CT_Expression::IsExpression ( )
inlinevirtual

Get this.

Reimplemented from Puma::CTree.

◆ NodeId()

const char * Puma::CT_Expression::NodeId ( )
static

Get the identifier for this node type.

Can be compared with NodeName().

◆ NodeName()

◆ SemValue()

CSemValue * Puma::CT_Expression::SemValue ( ) const
inlinevirtual

Get the semantic value information of the expression.

Returns
The value object or NULL.

Reimplemented from Puma::CTree.

◆ Sons()

◆ Type()

CTypeInfo * Puma::CT_Expression::Type ( ) const
inlinevirtual

Get the type of the expression.

Returns
The type information object or NULL.

Reimplemented from Puma::CTree.

◆ Value()

CExprValue * Puma::CT_Expression::Value ( ) const
inlinevirtual

Get the value of the expression.

Returns
The value object or NULL.

Reimplemented from Puma::CTree.