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cc: add += and function pointers

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This commit is contained in:
Paul Mathieu
2021-04-17 23:04:30 -07:00
parent 36bc1417b6
commit 2ab6b4a5a9
2 changed files with 8 additions and 2 deletions
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5
tools/cc.ebnf
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@@ -55,7 +55,7 @@ initializer_list: "{" [init_list_field ("," init_list_field)* ","? ] "}"
?prec14_expr: prec13_expr
| prec2_expr "=" prec14_expr -> assignment
| prec2_expr "+=" prec14_expr
| prec2_expr "+=" prec14_expr -> add_ass
| prec2_expr "-=" prec14_expr
| prec2_expr "*=" prec14_expr
| prec2_expr "/=" prec14_expr
@@ -104,7 +104,7 @@ initializer_list: "{" [init_list_field ("," init_list_field)* ","? ] "}"
| "-" prec2_expr
| "!" prec2_expr -> bool_not
| "~" prec2_expr
| "(" type ")" prec2_expr -> cast
| "(" (type | funptr_type) ")" prec2_expr -> cast
| "*" prec2_expr -> dereference
| "&" prec2_expr -> address_of
| "sizeof" prec2_expr -> sizeof
@@ -131,6 +131,7 @@ type: type_qualifier* IDENTIFIER
| struct_type
| type "*" -> pointer
?array_size: INT
funptr_type: type "(" "*" ")" "(" [fun_param ("," fun_param)*] ")"
?type_qualifier: "volatile" -> volatile
| "const" -> const