Vala.Expression – vala – Vala Binding Reference

Description:

public abstract class Expression : CodeNode

Base class for all code nodes that might be used as an expression.

Namespace: Vala

Package: vala

Content:

Properties:

public DataType? formal_target_type { get; set; }

public DataType? formal_value_type { get; set; }

public bool lvalue { get; set; }

Specifies that this expression is used as lvalue, i.e. the left hand side of an assignment.

public Statement? parent_statement { get; }

public unowned Symbol symbol_reference { get; set; }

The symbol this expression refers to.

public DataType target_type { get; set; }

public TargetValue? target_value { get; set; }

public DataType value_type { get; set; }

The static type of the value of this expression.

Creation methods:

protected Expression ()

Methods:

public override bool check (CodeContext context)

public void insert_statement (Block block, Statement stmt)

public virtual bool is_accessible (Symbol sym)

Check whether symbol_references in this expression are at least as accessible as the specified symbol.

public bool is_always_false ()

Check whether this expression is always false.

public bool is_always_true ()

Check whether this expression is always true.

public virtual bool is_constant ()

Returns whether this expression is constant, i.e. whether this expression only consists of literals and other constants.

public virtual bool is_non_null ()

Returns whether this expression is guaranteed to be non-null.

public abstract bool is_pure ()

Returns whether this expression is pure, i.e. whether this expression is free of side-effects.

Fields:

Inherited Members:

Expression