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Code Issues Packages Projects Releases 10 Wiki Activity

Switch Declaration to use inheritance+cast (#714)

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This commit is contained in:
Jon Meow
2021-08-06 14:57:44 -07:00
committed by GitHub
parent 7c03858b55
commit c1148caf7d
11 changed files with 206 additions and 202 deletions
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executable_semantics/syntax/parser.ypp
+8 -8
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@@ -91,10 +91,10 @@ void Carbon::Parser::error(const location_type&, const std::string& message) {
%token <std::string> identifier
%token <std::string> sized_type_literal
%type <std::string> designator
%type <Declaration> declaration
%type <const Declaration*> declaration
%type <FunctionDefinition> function_declaration
%type <FunctionDefinition> function_definition
%type <std::list<Declaration>> declaration_list
%type <std::list<const Declaration*>> declaration_list
%type <const Statement*> statement
%type <const Statement*> if_statement
%type <const Statement*> optional_else
@@ -558,25 +558,25 @@ alternative_list:
;
declaration:
function_definition
{ $$ = Declaration::MakeFunctionDeclaration(std::move($1)); }
{ $$ = global_arena->New<FunctionDeclaration>(std::move($1)); }
| function_declaration
{ $$ = Declaration::MakeFunctionDeclaration(std::move($1)); }
{ $$ = global_arena->New<FunctionDeclaration>(std::move($1)); }
| STRUCT identifier "{" member_list "}"
{
$$ = Declaration::MakeStructDeclaration(yylineno, $2, $4);
$$ = global_arena->New<StructDeclaration>(yylineno, $2, $4);
}
| CHOICE identifier "{" alternative_list "}"
{
$$ = Declaration::MakeChoiceDeclaration(yylineno, $2, $4);
$$ = global_arena->New<ChoiceDeclaration>(yylineno, $2, $4);
}
| VAR variable_declaration "=" expression ";"
{
$$ = Declaration::MakeVariableDeclaration(yylineno, $2, $4);
$$ = global_arena->New<VariableDeclaration>(yylineno, $2, $4);
}
;
declaration_list:
// Empty
{ $$ = std::list<Declaration>(); }
{ $$ = std::list<const Declaration*>(); }
| declaration declaration_list
{
$$ = $2;