FreeC++ IDE 的开发。 目标:做成一个自由开源的C/C++集成开发工具。最重要的是要轻便,调试功能要强大(最好要有CodeBlocks的轻便,VS的强大的调试工具)。

A.2.1 Expressions (6.5.1)primary-expression: identifier constant string-literal ( expression )

(6.5.2)postfix-expression: primary-expression{[ expression ]} primary-expression{( argument-expression-list_opt )} primary-expression{. identifier} primary-expression{-> identifier} primary-expression{++} primary-expression{--} primary-expression{-> identifier}

	( type-name ) { initializer-list } {[ expression ]}
	( type-name ) { initializer-list } {( argument-expression-list_opt )}
	( type-name ) { initializer-list } {. identifier}
	( type-name ) { initializer-list } {-> identifier}
	( type-name ) { initializer-list } {++}
	( type-name ) { initializer-list } {--}
	( type-name ) { initializer-list } {-> identifier}
	( type-name ) { initializer-list ,} {[ expression ]}
	( type-name ) { initializer-list ,} {( argument-expression-list_opt )}
	( type-name ) { initializer-list ,} {. identifier}
	( type-name ) { initializer-list ,} {-> identifier}
	( type-name ) { initializer-list ,} {++}
	( type-name ) { initializer-list ,} {--}
	( type-name ) { initializer-list ,} {-> identifier}

(6.5.2) argument-expression-list: assignment-expression{, assignment-expression}

(6.5.3) unary-expression: postfix-expression ++ unary-expression -- unary-expression unary-operator cast-expression sizeof unary-expression sizeof ( type-name )

(6.5.3) unary-operator: one of & * + - ~ !

(6.5.4) cast-expression: unary-expression ( type-name ) cast-expression

(6.5.5) multiplicative-expression: cast-expression{ * cast-expression} cast-expression{ / cast-expression} cast-expression{ % cast-expression}

(6.5.6) additive-expression: multiplicative-expression{+ multiplicative-expression} multiplicative-expression{- multiplicative-expression}

(6.5.7) shift-expression: additive-expression{<< additive-expression} additive-expression{>> additive-expression}

(6.5.8) relational-expression: shift-expression{< shift-expression} shift-expression{> shift-expression} shift-expression{<= shift-expression} shift-expression{<= shift-expression}

(6.5.9) equality-expression: relational-expression{== relational-expression} relational-expression{!= relational-expression}

(6.5.10) AND-expression: equality-expression{& equality-expression}

(6.5.11) exclusive-OR-expression: AND-expression{^ AND-expression}

(6.5.12) inclusive-OR-expression: exclusive-OR-expression{| exclusive-OR-expression}

(6.5.13) logical-AND-expression: inclusive-OR-expression{&& inclusive-OR-expression}

(6.5.14) logical-OR-expression: logical-AND-expression{|| logical-AND-expression}

(6.5.15) conditional-expression: logical-OR-expression logical-OR-expression ? expression : conditional-expression

(6.5.16) assignment-expression: conditional-expression unary-expression assignment-operator assignment-expression

(6.5.16) assignment-operator: one of = *= /= %= += -= <<= >>= &= ^= |=

(6.5.17) expression: assignment-expression{, assignment-expression}

(6.6) constant-expression: conditional-expression

A.2.4 External definitions (6.9) translation-unit: external-declaration{external-declaration}

(6.9) external-declaration: function-definition declaration

(6.9.1) function-definition: declaration-specifiers declarator declaration-list_opt compound-statement

(6.9.1) declaration-list: declaration{declaration}

A.2.2 Declarations (6.7) declaration: declaration-specifiers init-declarator-listopt ;

(6.7) declaration-specifiers: storage-class-specifier declaration-specifiers_opt type-specifier declaration-specifiers_opt type-qualifier declaration-specifiers_opt function-specifier declaration-specifiers_opt

(6.7) init-declarator-list: init-declarator init-declarator-list , init-declarator (6.7) init-declarator: declarator declarator = initializer (6.7.1) storage-class-specifier: typedef extern static auto register (6.7.2) type-specifier: void char short int long float double signed unsigned _Bool _Complex _Imaginary struct-or-union-specifier enum-specifier typedef-name

(6.7.2.1) struct-or-union-specifier: struct-or-union identifier_opt { struct-declaration-list } struct-or-union identifier (6.7.2.1) struct-or-union: struct union (6.7.2.1) struct-declaration-list: struct-declaration struct-declaration-list struct-declaration (6.7.2.1) struct-declaration: specifier-qualifier-list struct-declarator-list ; (6.7.2.1) specifier-qualifier-list: type-specifier specifier-qualifier-listopt type-qualifier specifier-qualifier-listopt (6.7.2.1) struct-declarator-list: struct-declarator struct-declarator-list , struct-declarator (6.7.2.1) struct-declarator: declarator declarator_opt : constant-expression (6.7.2.2) enum-specifier: enum identifieropt { enumerator-list } enum identifieropt { enumerator-list , } enum identifier (6.7.2.2) enumerator-list: enumerator enumerator-list , enumerator (6.7.2.2) enumerator: enumeration-constant enumeration-constant = constant-expression (6.7.3) type-qualifier: const restrict volatile (6.7.4) function-specifier: inline (6.7.5) declarator: pointer_opt direct-declarator (6.7.5) direct-declarator: identifier ( declarator ) direct-declarator [ type-qualifier-listopt assignment-expressionopt ] direct-declarator [ static type-qualifier-listopt assignment-expression ] direct-declarator [ type-qualifier-list static assignment-expression ] direct-declarator [ type-qualifier-listopt * ] direct-declarator ( parameter-type-list ) direct-declarator ( identifier-listopt ) (6.7.5) pointer: * type-qualifier-listopt * type-qualifier-listopt pointer (6.7.5) type-qualifier-list: type-qualifier type-qualifier-list type-qualifier (6.7.5) parameter-type-list: parameter-list parameter-list , ... (6.7.5) parameter-list: parameter-declaration parameter-list , parameter-declaration (6.7.5) parameter-declaration: declaration-specifiers declarator declaration-specifiers abstract-declaratoropt (6.7.5) identifier-list: identifier identifier-list , identifier (6.7.6) type-name: specifier-qualifier-list abstract-declaratoropt (6.7.6) abstract-declarator: pointer pointeropt direct-abstract-declarator (6.7.6) direct-abstract-declarator: ( abstract-declarator ) direct-abstract-declarator_opt [ assignment-expressionopt ] direct-abstract-declarator_opt [ * ] direct-abstract-declarator_opt ( parameter-type-listopt ) (6.7.7) typedef-name: identifier (6.7.8) initializer: assignment-expression { initializer-list } { initializer-list , } (6.7.8) initializer-list: designationopt initializer initializer-list , designationopt initializer (6.7.8) designation: designator-list = (6.7.8) designator-list: designator designator-list designator (6.7.8) designator: [ constant-expression ] . identifier

A.2.3 Statements (6.8) statement: labeled-statement compound-statement expression-statement selection-statement iteration-statement jump-statement

(6.8.1) labeled-statement: identifier : statement case constant-expression : statement default : statement (6.8.2) compound-statement: { block-item-listopt } (6.8.2) block-item-list: block-item block-item-list block-item (6.8.2) block-item: declaration statement (6.8.3) expression-statement: expressionopt ; (6.8.4) selection-statement: if ( expression ) statement if ( expression ) statement else statement switch ( expression ) statement (6.8.5) iteration-statement: while ( expression ) statement do statement while ( expression ) ; for ( expressionopt ; expressionopt ; expressionopt ) statement for ( declaration expressionopt ; expressionopt ) statement (6.8.6) jump-statement: goto identifier ; continue ; break ; return expressionopt ;