ada: Reject ambiguous function calls in interpolated string expressions

This patch enhances support for this language feature by rejecting
more ambiguous function calls. In terms of name resolution, the
analysis of interpolated expressions is now treated as an expression
of any type, as required by the documentation. Additionally, support
for nested interpolated strings has been removed.

gcc/ada/

	* gen_il-fields.ads (Is_Interpolated_String_Literal): New field.
	* gen_il-gen-gen_nodes.adb (Is_Interpolated_String_Literal): The
	new field is a flag handled by the parser (syntax flag).
	* par-ch2.adb (P_Interpolated_String_Literal): Decorate the new
	flag.
	* sem_ch2.adb (Analyze_Interpolated_String_Literal): Improve code
	detecting and reporting ambiguous function calls.
	* sem_res.adb (Resolve_Interpolated_String_Literal): Restrict
	resolution imposed by the context type to string literals that
	have the new flag.
	* sinfo.ads (Is_Interpolated_String_Literal): New field defined in
	string literals. Fix documentation of the syntax rule of
	interpolated string literal.

0 files changed, 0 insertions, 0 deletions