jyapayne/swig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Add support for C++20 "templated" lambdas

Browse source 
Such as `auto lambda = []<typename T>(std::vector<T> t){};`
This commit is contained in:
Zackery Spytz 2019-12-07 21:08:11 -07:00 • committed by Olly Betts
commit 61928bd882
1 changed files with 10 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

15
Source/CParse/parser.y
View file

@ -1713,7 +1713,7 @@ static String *add_qualifier_to_declarator(SwigType *type, SwigType *qualifier)
%type <ptype> type_specifier primitive_type_list ;
%type <node> fname stringtype;
%type <node> featattr;
%type <node> lambda_introducer lambda_body;
%type <node> lambda_introducer lambda_body lambda_template;
%type <pl> lambda_tail;
%type <str> virt_specifier_seq virt_specifier_seq_opt;
@ -3420,17 +3420,17 @@ cpp_alternate_rettype : primitive_type { $$ = $1; }
auto myFunc = [](int x, int y) throw() -> int { return x+y; };
auto six = [](int x, int y) { return x+y; }(4, 2);
------------------------------------------------------------ */
cpp_lambda_decl : storage_class AUTO idcolon EQUAL lambda_introducer LPAREN parms RPAREN cpp_const lambda_body lambda_tail {
cpp_lambda_decl : storage_class AUTO idcolon EQUAL lambda_introducer lambda_template LPAREN parms RPAREN cpp_const lambda_body lambda_tail {
$$ = new_node("lambda");
Setattr($$,"name",$3);
add_symbols($$);
}
| storage_class AUTO idcolon EQUAL lambda_introducer LPAREN parms RPAREN cpp_const ARROW type lambda_body lambda_tail {
| storage_class AUTO idcolon EQUAL lambda_introducer lambda_template LPAREN parms RPAREN cpp_const ARROW type lambda_body lambda_tail {
$$ = new_node("lambda");
Setattr($$,"name",$3);
add_symbols($$);
}
| storage_class AUTO idcolon EQUAL lambda_introducer lambda_body lambda_tail {
| storage_class AUTO idcolon EQUAL lambda_introducer lambda_template lambda_body lambda_tail {
$$ = new_node("lambda");
Setattr($$,"name",$3);
add_symbols($$);
@ -3442,7 +3442,12 @@ lambda_introducer : LBRACKET {
$$ = 0;
}
;
lambda_template : LESSTHAN {
skip_balanced('<','>');
$$ = 0;
}
| empty { $$ = 0; }
;
lambda_body : LBRACE {
skip_balanced('{','}');
$$ = 0;