Determining Which Function Called This Function (Using ColdFusion)

code-1.cfm

<cffunction name="StackTrace" access="public" returntype="void" output="false">

	<!--- Define local variables. --->
	<cfset var Trace = StructNew() />

	<cftry>
		<!--- Throw custom error. --->
		<cfthrow
			message="This is thrown to gain access to the strack trace."
			type="StackTrace"
			/>

		<!--- Catch custom error so that page doesn't crap out. --->
		<cfcatch>

			<!---
				Create the trace object. The automatically
				generated CFCATCH object (from CFTry/CFCatch)
				should now have key elements that we can get
				our hands on.
			--->
			<cfset Trace.StackTrace = CFCATCH.StackTrace />
			<cfset Trace.TagContext = CFCATCH.TagContext />

			<!--- Add stack trace to request. --->
			<cfset ArrayAppend(
				REQUEST.StackTraces,
				Trace
				) />

		</cfcatch>
	</cftry>

	<!--- Return out. --->
	<cfreturn />
</cffunction>

code-2.cfm

<cffunction name="A">
	<!--- Get stack trace. --->
	<cfset StackTrace() />

	<!--- Return the return of B(). --->
	<cfreturn B() />
</cffunction>


<cffunction name="B">
	<!--- Get stack trace. --->
	<cfset StackTrace() />

	<!--- Return the return of C(). --->
	<cfreturn C() />
</cffunction>


<cffunction name="C">
	<!--- Get stack trace. --->
	<cfset StackTrace() />

	<cfreturn "C is the bomb!" />
</cffunction>

code-3.cfm

<!--- Create the stack trace array. --->
cfset REQUEST.StackTraces = ArrayNew( 1 ) />

<!--- Call all the methods. --->
#A()#<br />
#B()#<br />
#C()#<br />

<!--- Output the stack traces. --->
<h2>
	Stack Traces
</h2>


<cfloop
	index="intI"
	from="1"
	to="#ArrayLen( REQUEST.StackTraces )#"
	step="1">

	<h4>
		Trace #intI#
	</h4>

	<cfdump var="#REQUEST.StackTraces[ intI ]#" />

</cfloop>