Changes in src/Parser/parser.yy [2beaf9b:4eb3a7c5]
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src/Parser/parser.yy (modified) (14 diffs)
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src/Parser/parser.yy
r2beaf9b r4eb3a7c5 10 10 // Created On : Sat Sep 1 20:22:55 2001 11 11 // Last Modified By : Peter A. Buhr 12 // Last Modified On : Sun Nov 26 13:18:06 202313 // Update Count : 6 39812 // Last Modified On : Fri Feb 23 18:25:46 2024 13 // Update Count : 6484 14 14 // 15 15 … … 102 102 103 103 DeclarationNode * distAttr( DeclarationNode * typeSpec, DeclarationNode * declList ) { 104 // distribute declaration_specifier across all declared variables, e.g., static, const, but not__attribute__.104 // Distribute type specifier across all declared variables, e.g., static, const, __attribute__. 105 105 assert( declList ); 106 // printf( "distAttr1 typeSpec %p\n", typeSpec ); typeSpec->print( std::cout ); 107 DeclarationNode * cl = (new DeclarationNode)->addType( typeSpec ); 108 // printf( "distAttr2 cl %p\n", cl ); cl->type->print( std::cout ); 109 // cl->type->aggregate.name = cl->type->aggInst.aggregate->aggregate.name; 110 106 107 // Do not distribute attributes for aggregates because the attributes surrounding the aggregate belong it not the 108 // variables in the declaration list, e.g., 109 // 110 // struct __attribute__(( aligned(128) )) S { ... 111 // } v1 __attribute__(( aligned(64) )), v2 __attribute__(( aligned(32) )), v3; 112 // struct S v4; 113 // 114 // v1 => 64, v2 =>32, v3 => 128, v2 => 128 115 // 116 // Anonymous aggregates are a special case because there is no aggregate to bind the attribute to; hence it floats 117 // to the declaration list. 118 // 119 // struct __attribute__(( aligned(128) )) /*anonymous */ { ... } v1; 120 // 121 // v1 => 128 122 123 bool copyattr = ! (typeSpec->type && typeSpec->type->kind == TypeData::Aggregate && ! typeSpec->type->aggregate.anon ); 124 125 // addType copies the type information for the aggregate instances from typeSpec into cl's aggInst.aggregate. 126 DeclarationNode * cl = (new DeclarationNode)->addType( typeSpec ); // typeSpec IS DELETED!!! 127 128 // Start at second variable in declaration list and clone the type specifiers for each variable.. 111 129 for ( DeclarationNode * cur = dynamic_cast<DeclarationNode *>( declList->get_next() ); cur != nullptr; cur = dynamic_cast<DeclarationNode *>( cur->get_next() ) ) { 112 cl->cloneBaseType( cur );130 cl->cloneBaseType( cur, copyattr ); // cur is modified 113 131 } // for 114 declList->addType( cl ); 115 // printf( "distAttr3 declList %p\n", declList ); declList->print( std::cout, 0 ); 132 133 // Add first variable in declaration list with hidden type information in aggInst.aggregate, which is used by 134 // extractType to recover the type for the aggregate instances. 135 declList->addType( cl, copyattr ); // cl IS DELETED!!! 116 136 return declList; 117 137 } // distAttr … … 192 212 fieldList = DeclarationNode::newName( nullptr ); 193 213 } // if 194 // return distAttr( typeSpec, fieldList ); // mark all fields in list195 214 196 215 // printf( "fieldDecl3 typeSpec %p\n", typeSpec ); typeSpec->print( std::cout, 0 ); 197 DeclarationNode * temp = distAttr( typeSpec, fieldList ); // mark all fields in list216 DeclarationNode * temp = distAttr( typeSpec, fieldList ); // mark all fields in list 198 217 // printf( "fieldDecl4 temp %p\n", temp ); temp->print( std::cout, 0 ); 199 218 return temp; … … 761 780 | string_literal '`' identifier // CFA, postfix call 762 781 { $$ = new ExpressionNode( build_func( yylloc, new ExpressionNode( build_varref( yylloc, build_postfix_name( $3 ) ) ), $1 ) ); } 782 783 // SKULLDUGGERY: The typedef table used for parsing does not store fields in structures. To parse a qualified 784 // name, it is assumed all name-tokens after the first are identifiers, regardless of how the lexer identifies 785 // them. For example: 786 // 787 // struct S; 788 // forall(T) struct T; 789 // union U; 790 // enum E { S, T, E }; 791 // struct Z { int S, T, Z, E, U; }; 792 // void fred () { 793 // Z z; 794 // z.S; // lexer returns S is TYPEDEFname 795 // z.T; // lexer returns T is TYPEGENname 796 // z.Z; // lexer returns Z is TYPEDEFname 797 // z.U; // lexer returns U is TYPEDEFname 798 // z.E; // lexer returns E is TYPEDEFname 799 // } 763 800 | postfix_expression '.' identifier 764 801 { $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); } 802 | postfix_expression '.' TYPEDEFname // CFA, SKULLDUGGERY 803 { $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); } 804 | postfix_expression '.' TYPEGENname // CFA, SKULLDUGGERY 805 { $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_varref( yylloc, $3 ) ) ); } 806 765 807 | postfix_expression '.' INTEGERconstant // CFA, tuple index 766 808 { $$ = new ExpressionNode( build_fieldSel( yylloc, $1, build_constantInteger( yylloc, *$3 ) ) ); } … … 1039 1081 | logical_OR_expression '?' comma_expression ':' conditional_expression 1040 1082 { $$ = new ExpressionNode( build_cond( yylloc, $1, $3, $5 ) ); } 1083 // FIX ME: computes $1 twice 1041 1084 | logical_OR_expression '?' /* empty */ ':' conditional_expression // GCC, omitted first operand 1042 { $$ = new ExpressionNode( build_cond( yylloc, $1, nullptr, $4 ) ); }1085 { $$ = new ExpressionNode( build_cond( yylloc, $1, $1->clone(), $4 ) ); } 1043 1086 ; 1044 1087 … … 1855 1898 declaration_list: 1856 1899 declaration 1857 | declaration_list declaration 1858 { $$ = $1->appendList( $2 ); } 1900 | declaration_list declaration { $$ = $1->appendList( $2 ); } 1859 1901 ; 1860 1902 … … 1889 1931 declaration: // old & new style declarations 1890 1932 c_declaration ';' 1891 {1892 // printf( "C_DECLARATION1 %p %s\n", $$, $$->name ? $$->name->c_str() : "(nil)" );1893 // for ( Attribute * attr: reverseIterate( $$->attributes ) ) {1894 // printf( "\tattr %s\n", attr->name.c_str() );1895 // } // for1896 }1897 1933 | cfa_declaration ';' // CFA 1898 1934 | static_assert // C11 … … 2347 2383 sue_declaration_specifier: // struct, union, enum + storage class + type specifier 2348 2384 sue_type_specifier 2349 {2350 // printf( "sue_declaration_specifier %p %s\n", $$, $$->type->aggregate.name ? $$->type->aggregate.name->c_str() : "(nil)" );2351 // for ( Attribute * attr: reverseIterate( $$->attributes ) ) {2352 // printf( "\tattr %s\n", attr->name.c_str() );2353 // } // for2354 }2355 2385 | declaration_qualifier_list sue_type_specifier 2356 2386 { $$ = $2->addQualifiers( $1 ); } … … 2363 2393 sue_type_specifier: // struct, union, enum + type specifier 2364 2394 elaborated_type 2365 {2366 // printf( "sue_type_specifier %p %s\n", $$, $$->type->aggregate.name ? $$->type->aggregate.name->c_str() : "(nil)" );2367 // for ( Attribute * attr: reverseIterate( $$->attributes ) ) {2368 // printf( "\tattr %s\n", attr->name.c_str() );2369 // } // for2370 }2371 2395 | type_qualifier_list 2372 2396 { if ( $1->type != nullptr && $1->type->forall ) forall = true; } // remember generic type … … 2441 2465 elaborated_type: // struct, union, enum 2442 2466 aggregate_type 2443 {2444 // printf( "elaborated_type %p %s\n", $$, $$->type->aggregate.name ? $$->type->aggregate.name->c_str() : "(nil)" );2445 // for ( Attribute * attr: reverseIterate( $$->attributes ) ) {2446 // printf( "\tattr %s\n", attr->name.c_str() );2447 // } // for2448 }2449 2467 | enum_type 2450 2468 ; … … 2678 2696 { $$ = DeclarationNode::newEnum( nullptr, $4, true, false )->addQualifiers( $2 ); } 2679 2697 | ENUM attribute_list_opt '!' '{' enumerator_list comma_opt '}' // invalid syntax rule 2680 { SemanticError( yylloc, "syntax error, hiding '!'the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr; }2698 { SemanticError( yylloc, "syntax error, hiding ('!') the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr; } 2681 2699 | ENUM attribute_list_opt identifier 2682 2700 { typedefTable.makeTypedef( *$3, "enum_type 1" ); } … … 2693 2711 } 2694 2712 | ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt '!' '{' enumerator_list comma_opt '}' // unqualified type name 2695 { SemanticError( yylloc, "syntax error, hiding '!'the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr; }2713 { SemanticError( yylloc, "syntax error, hiding ('!') the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr; } 2696 2714 | ENUM '(' ')' attribute_list_opt '{' enumerator_list comma_opt '}' 2697 2715 { … … 2699 2717 } 2700 2718 | ENUM '(' ')' attribute_list_opt '!' '{' enumerator_list comma_opt '}' // invalid syntax rule 2701 { SemanticError( yylloc, "syntax error, hiding '!'the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr; }2719 { SemanticError( yylloc, "syntax error, hiding ('!') the enumerator names of an anonymous enumeration means the names are inaccessible." ); $$ = nullptr; } 2702 2720 | ENUM '(' cfa_abstract_parameter_declaration ')' attribute_list_opt identifier attribute_list_opt 2703 2721 { … … 3170 3188 // unit, which is a dubious task, especially because C uses name rather than structural typing; hence it is 3171 3189 // disallowed at the moment. 3172 if ( $1->linkage == ast::Linkage::Cforall && ! $1->storageClasses.is_static && $1->type && $1->type->kind == TypeData::AggregateInst ) { 3190 if ( $1->linkage == ast::Linkage::Cforall && ! $1->storageClasses.is_static && 3191 $1->type && $1->type->kind == TypeData::AggregateInst ) { 3173 3192 if ( $1->type->aggInst.aggregate->kind == TypeData::Enum && $1->type->aggInst.aggregate->enumeration.anon ) { 3174 3193 SemanticError( yylloc, "extern anonymous enumeration is currently unimplemented." ); $$ = nullptr;
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