diff options
Diffstat (limited to 'c_compiler/src/c_parser.y')
| -rw-r--r-- | c_compiler/src/c_parser.y | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/c_compiler/src/c_parser.y b/c_compiler/src/c_parser.y index b6e8159..cbf1e32 100644 --- a/c_compiler/src/c_parser.y +++ b/c_compiler/src/c_parser.y @@ -69,13 +69,13 @@ void yyerror(const char *); PostfixExpression PostfixExpression2 ArgumentExpressionList PrimaryExpression Constant Initializer InitializerList -%type <type> DeclarationSpecifierList +%type <type> DeclarationSpecifierList Pointer %type <number> T_INT_CONST %type <string> T_IDENTIFIER ASSIGN_OPER T_ASSIGN_OPER T_EQ T_AND T_ADDSUB_OP T_TILDE T_NOT T_MULT T_DIV T_REM T_EQUALITY_OP T_REL_OP T_SHIFT_OP T_INCDEC MultDivRemOP - UnaryOperator DeclarationSpecifier + UnaryOperator DeclarationSpecifier TypeQualifier TypeQualifierList %start ROOT @@ -123,11 +123,16 @@ DeclarationList: Declaration: DeclarationSpecifierList InitDeclaratorList T_SC { $$ = $2; - Declaration* tmp_decl = $2; - Type* tmp_type = new TypeContainer(); - + Declaration *tmp_decl = $2; + std::shared_ptr<Type> tmp_type; + if(tmp_decl->getType() == nullptr) + tmp_type = std::make_shared<TypeContainer>(); + else + tmp_type = tmp_decl->getType(); + while(tmp_decl != nullptr) { tmp_type->type($1->type()); + tmp_decl->setType(tmp_type); tmp_decl = tmp_decl->getNextListItem().get(); } @@ -174,9 +179,25 @@ InitDeclarator: Declarator { $$ = $1; } ; Declarator: DirectDeclarator { $$ = $1; } - | T_MULT DirectDeclarator { $$ = $2; } +| Pointer DirectDeclarator { $$ = $2; std::shared_ptr<Type> tmp($1); $$->setType(tmp); } ; +Pointer: +T_MULT { $$ = new Pointer(); delete $1; } +| T_MULT Pointer { $$ = $2; delete $1; } +| T_MULT TypeQualifierList Pointer { $$ = $3; delete $1; delete $2; } +; + +TypeQualifierList: +TypeQualifier { $$ = $1; } +| TypeQualifierList TypeQualifier { $$ = $2; delete $1; } +; + +TypeQualifier: +T_CONST { $$ = new std::string("const"); } +| T_VOLATILE { $$ = new std::string("volatile"); } +; + DirectDeclarator: T_IDENTIFIER { $$ = new Declaration(*$1); delete $1; } | T_LRB Declarator T_RRB { $$ = $2; } |