nuget
An expressin for create a new symbol inside the runtime environment
DeclareNewSymbol
01 Syntax
SMRUCC.Rsharp.Interpreter.ExecuteEngine.ExpressionSymbols.Closure.DeclareNewSymbol
02 Methods
| Name | Overloads | Summary |
|---|---|---|
| .ctor | 2 | create new symbol without initial value |
| GetSymbolName | 1 | get symbol name string |
| Evaluate | 1 | Push current variable into the target environment envir. |
| PushNames | 1 | |
| ToString | 1 |
03 Properties
| Name | Overloads | Summary |
|---|---|---|
| names | 1 | tuple names. (对于tuple语法，会存在多个变量) |
| hasInitializeExpression | 1 | true for if the DeclareNewSymbol.value expression is not nothing |
| getName | 1 | get name by index |
| type | 1 | get object value type for current new symbol |
| symbolSize | 1 | the size of the symbol names |
| isTuple | 1 | does current symbol declaration contains multiple symbol targets? |
| value | 1 | The symbol initial value.(初始值) |
| unit | 1 | the unit name of the symbol value if it is a vector |
| expressionName | 1 | |
| stackFrame | 1 |
04 Members
#ctor(ValueAssignExpression,
StackFrame)create new symbol with a specific initial value
Parameters
| Name | Type | Description |
|---|---|---|
assign | ValueAssignExpression | - |
stack | StackFrame | - |
#ctor(SymbolReference,
StackFrame)create new symbol without initial value
Parameters
| Name | Type | Description |
|---|---|---|
symbol | SymbolReference | - |
stack | StackFrame | - |
GetSymbolName
get symbol name string
Returns
usually be the first element of the names array. For multiple names, a string json array text will be generates from this function.
Evaluate(Environment)
Push current variable into the target environment **envir**.
Parameters
| Name | Type | Description |
|---|---|---|
envir | Environment | - |
Parameters
| Name | Type | Description |
|---|---|---|
names | String() | The variable names |
value | Object | .NET runtime object value. |
type | TypeCodes | - |
envir | Boolean | - |
Returns
用于初始化环境对象
names
tuple names. (对于tuple语法，会存在多个变量)
hasInitializeExpression
true for if the DeclareNewSymbol.value expression is not nothing
getName(
Int32)get name by index
Parameters
| Name | Type | Description |
|---|---|---|
i | Int32 | - |
type
get object value type for current new symbol
symbolSize
the size of the symbol names
isTuple
does current symbol declaration contains multiple symbol targets?
Returns
TRUE means contains multiple symbol target, it is a new tuple syntax; FALSE means just has one symbol target to create in the context.
value
The symbol initial value.(初始值)
unit
the unit name of the symbol value if it is a vector
expressionName
stackFrame
ToString()