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change all expression and statement pointers to be const (#449)

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* change all expression and statement pointers to be const

* const in paren tests
This commit is contained in:
Jeremy G. Siek
2021-04-19 21:47:19 -04:00
committed by GitHub
parent 153d92b390
commit 34f1a03f7b
21 changed files with 258 additions and 229 deletions
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executable_semantics/syntax/parser.ypp
+21 -21
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@@ -96,24 +96,24 @@ void yy::parser::error(
%type <Carbon::FunctionDefinition*> function_declaration
%type <Carbon::FunctionDefinition*> function_definition
%type <std::list<Carbon::Declaration>*> declaration_list
%type <Carbon::Statement*> statement
%type <Carbon::Statement*> optional_else
%type <Carbon::Statement*> statement_list
%type <Carbon::Expression*> expression
%type <Carbon::Expression*> pattern
%type <Carbon::Expression*> return_type
%type <Carbon::Expression*> paren_expression
%type <Carbon::Expression*> tuple
%type <const Carbon::Statement*> statement
%type <const Carbon::Statement*> optional_else
%type <const Carbon::Statement*> statement_list
%type <const Carbon::Expression*> expression
%type <const Carbon::Expression*> pattern
%type <const Carbon::Expression*> return_type
%type <const Carbon::Expression*> paren_expression
%type <const Carbon::Expression*> tuple
%type <Carbon::Member*> variable_declaration
%type <Carbon::Member*> member
%type <std::list<Carbon::Member*>*> member_list
%type <Carbon::FieldInitializer> field_initializer
%type <Carbon::ParenContents> paren_contents
%type <std::vector<Carbon::FieldInitializer>> paren_contents_without_trailing_comma
%type <std::pair<std::string, Carbon::Expression*>*> alternative
%type <std::list<std::pair<std::string, Carbon::Expression*>>*> alternative_list
%type <std::pair<Carbon::Expression*, Carbon::Statement*>*> clause
%type <std::list<std::pair<Carbon::Expression*, Carbon::Statement*>>*> clause_list
%type <std::pair<std::string, const Carbon::Expression*>*> alternative
%type <std::list<std::pair<std::string, const Carbon::Expression*>>*> alternative_list
%type <std::pair<const Carbon::Expression*, const Carbon::Statement*>*> clause
%type <std::list<std::pair<const Carbon::Expression*, const Carbon::Statement*>>*> clause_list
%token END_OF_FILE 0
%token AND
%token OR
@@ -266,18 +266,18 @@ paren_contents_without_trailing_comma:
;
clause:
CASE pattern DBLARROW statement
{ $$ = new std::pair<Carbon::Expression*, Carbon::Statement*>($2, $4); }
{ $$ = new std::pair<const Carbon::Expression*, const Carbon::Statement*>($2, $4); }
| DEFAULT DBLARROW statement
{
auto vp = Carbon::MakeVarPat(yylineno, "_",
Carbon::MakeAutoType(yylineno));
$$ = new std::pair<Carbon::Expression*, Carbon::Statement*>(vp, $3);
$$ = new std::pair<const Carbon::Expression*, const Carbon::Statement*>(vp, $3);
}
;
clause_list:
// Empty
{
$$ = new std::list<std::pair<Carbon::Expression*, Carbon::Statement*>>();
$$ = new std::list<std::pair<const Carbon::Expression*, const Carbon::Statement*>>();
}
| clause clause_list
{ $$ = $2; $$->push_front(*$1); }
@@ -326,7 +326,7 @@ return_type:
{
$$ = Carbon::MakeTuple(
yylineno,
new std::vector<std::pair<std::string, Carbon::Expression*>>());
new std::vector<std::pair<std::string, const Carbon::Expression*>>());
}
| ARROW expression
{ $$ = $2; }
@@ -358,21 +358,21 @@ member_list:
;
alternative:
identifier tuple
{ $$ = new std::pair<std::string, Carbon::Expression*>($1, $2); }
{ $$ = new std::pair<std::string, const Carbon::Expression*>($1, $2); }
| identifier
{
$$ = new std::pair<std::string, Carbon::Expression*>(
$$ = new std::pair<std::string, const Carbon::Expression*>(
$1, Carbon::MakeTuple(
yylineno,
new std::vector<std::pair<std::string, Carbon::Expression*>>()));
new std::vector<std::pair<std::string, const Carbon::Expression*>>()));
}
;
alternative_list:
// Empty
{ $$ = new std::list<std::pair<std::string, Carbon::Expression*>>(); }
{ $$ = new std::list<std::pair<std::string, const Carbon::Expression*>>(); }
| alternative
{
$$ = new std::list<std::pair<std::string, Carbon::Expression*>>();
$$ = new std::list<std::pair<std::string, const Carbon::Expression*>>();
$$->push_front(*$1);
}
| alternative "," alternative_list