grammar.gml

来自「开放源码的编译器open watcom 1.6.0版的源代码」· GML 代码 · 共 38 行

.ix 'grammar' 'C language'
.ix 'syntax' 'C language'
.pp
This appendix presents the formal grammar of the C programming
language.
The following notation is used:
..sk 1 c
{digit}&SUPER0.
.discuss begin
Zero or more occurrences of
.us digit
are allowed.
.discuss end
{digit}&SUPER1.
.discuss begin
One or more occurrences of
.us digit
are allowed.
.discuss end
&LANGLE.integer-suffix&RANGLE.
.discuss begin
.us integer-suffix
is optional, with only one occurrence being allowed if present.
.discuss end
.mono A
|
.mono B
|
.mono C
.discuss begin
Choose one of
.mono A
..ct ,
.mono B
or
.mono C.
.discuss end
..tb set