Evaluate Function (String, Logic) |  |
Evaluate an expression contained in a string.
Namespace: XSharp.RT
Assembly: XSharp.RT (in XSharp.RT.dll) Version: 2.19
Syntax[NeedsAccessToLocalsAttribute(TRUE)] FUNCTION Evaluate( cString AS STRING, lAllowSingleQuotes AS LOGIC ) AS USUAL
Parameters
- cString
- Type: String
The string containing the expression to evaluate. - lAllowSingleQuotes
- Type: Logic
Should single quotes be allowed as string delimiters.
Return Value
Type: UsualThe value of the expression.
Remarks
Evaluate() invokes the macro compiler each time it evaluates an expression.
Alternatively, you could use MCompile() to compile an expression only once, then use MExec() to execute the compiled form as often as you want.
Alternatively, you could use MCompile() to compile an expression only once, then use MExec() to execute the compiled form as often as you want.
Examples
This example shows typical uses of Evaluate():
X#
1LOCAL cVar AS STRING 2cVar := "World" 3World := "Hello" // World is a PRIVATE variable 4? Evaluate(cVar) // Hello 5? Evaluate("2+3") // 5 6Two := 2 // Two is a PRIVATE variable 7Evaluate("Two+3") // 5
See Also