C语言BNF语法的图形化展示.pdf

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file

function definition

declaration specifier

declarator

declaration

storage class specifier

type specifier

storage modifier

structure or union specifier

struct member declaration

bit field declaration

enum specifier

parameter type list

abstract declarator

initialized declaration list

identifier

constant

floating-point constant

fractional constant

exponent part

integer constant

character constant

escape sequence

string literal

expression

primary expression

postfix expression

argument expression list

unary operator

cast expression

binary operator

assignment operator

statement

labeled statemen

compound statement

expression statement

selection statement

Iteration statement

Jump statement

preprocessor directive

if section

if group

elif group

else group

endif line

control line

preprocessing token

stringized token

macro parameter

concatenated token

Appendix B Syntax of ANSI C file: function definition:

Syntax of ANSI C 479 declaration specifier: declarator: declaration:

480 Appendix B storage class specifier: type specifier: storage modifier: ~~ volatile

Syntax of ANSI C structure or union specifier: 481 struct member declaration: bit field declaration: I -r---------.-~ constant ~ '---.I declarator~ • -\..:..I -jexpressionj - enum specifier:

482 parameter type list: Appendix B abstract declarator: f initialized declaration list:

Syntax of ANSI C 483 Identifier: constant: _I floating-point 1 1 constant 1 _I integer 1 1 constant 1 . 1 enumeration 1 1 constant 1 _I character 1 1 constant 1 floating-point constant:

484 fractional constant: Appendix B exponent part: integer constant: character constant:

Syntax of ANSI C escape sequence: 485 string literal: note: a = octal digit h = hex/decimal digit expression: primary expressionj---T----;===.:=:;---r----T ... expression

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C语言BNF语法的图形化展示.pdf

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