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Function `dmd.escape.checkParamArgumentEscape`

Function parameter par is being initialized to arg, and par may escape. Detect if scoped values can escape this way. Print error messages when these are detected.


						
				bool checkParamArgumentEscape
				(
				

				  dmd.dscope.Scope* sc,
				

				  FuncDeclaration fdc,
				

				  Identifier parId,
				

				  VarDeclaration vPar,
				

				  dmd.astenums.STC parStc,
				

				  Expression arg,
				

				  bool assertmsg,
				

				  bool gag
				

				);

Parameters

Name	Description
sc	used to determine current function and module
fdc	function being called, `null` if called indirectly
parId	name of function parameter for error messages
vPar	`VarDeclaration` corresponding to `par`
parStc	storage classes of function parameter (may have added `scope` from `pure`)
arg	initializer for param
assertmsg	true if the parameter is the msg argument to assert(bool, msg).
gag	do not print error messages

Returns

true if pointers to the stack can escape via assignment

Authors

Walter Bright

License

Boost License 1.0