mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-12-24 11:12:11 +00:00
98 lines
2.5 KiB
Plaintext
98 lines
2.5 KiB
Plaintext
|
%{
|
||
|
|
// Copyright 2019 The CC Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
%}
|
||
|
|
|
||
|
|
%yyc c
|
||
|
|
%yyn c = s.next()
|
||
|
|
%yym s.mark = len(s.charBuf)
|
||
|
|
|
||
|
|
%{
|
||
|
|
package cc // import "modernc.org/cc/v3"
|
||
|
|
|
||
|
|
func (s *scanner) scan() (r rune) {
|
||
|
|
%}
|
||
|
|
|
||
|
|
c-char [^'\n\x80\\]|{escape-sequence}
|
||
|
|
c-char-sequence {c-char}+
|
||
|
|
character-constant '{c-char-sequence}'
|
||
|
|
comment "/*"([^*\x80]|\*+[^*/\x80])*\*+\/
|
||
|
|
comment-not-terminated "/*"([^*\x80]|\*+[^*/\x80])*(\*+)?\n\x80
|
||
|
|
digit [0-9]
|
||
|
|
escape-sequence {simple-sequence}|{octal-escape-sequence}|{hexadecimal-escape-sequence}|{universal-character-name}
|
||
|
|
hex-quad {hexadecimal-digit}{hexadecimal-digit}{hexadecimal-digit}{hexadecimal-digit}
|
||
|
|
hexadecimal-digit [0-9a-fA-F]
|
||
|
|
hexadecimal-escape-sequence \\x{hexadecimal-digit}+
|
||
|
|
identifier {identifier-nondigit}({identifier-nondigit}|{digit}|"$")*
|
||
|
|
identifier-nondigit {nondigit}|"$"|{universal-character-name}
|
||
|
|
line-comment "//"[^\n\x80]*
|
||
|
|
nondigit [_a-zA-Z\x81]
|
||
|
|
octal-digit [0-7]
|
||
|
|
octal-escape-sequence \\{octal-digit}{octal-digit}?{octal-digit}?
|
||
|
|
pp-number ({digit}|\.{digit})({digit}|{identifier-nondigit}|[eEpP]{sign}|\.)*
|
||
|
|
s-char [^\x22\n\x80\\]|{escape-sequence}
|
||
|
|
s-char-sequence {s-char}+
|
||
|
|
sign [-+]
|
||
|
|
simple-sequence \\['\x22?\\abfnrtv]
|
||
|
|
string-literal \x22{s-char-sequence}?\x22
|
||
|
|
universal-character-name \\u{hex-quad}|\\U{hex-quad}{hex-quad}
|
||
|
|
white-space [ \t\f\v]
|
||
|
|
|
||
|
|
%%
|
||
|
|
c := s.initScan()
|
||
|
|
|
||
|
|
({white-space}|{comment})*{line-comment} |
|
||
|
|
({white-space}|{comment})+{line-comment}?
|
||
|
|
return ' '
|
||
|
|
|
||
|
|
(({white-space}|{comment})*{comment-not-terminated})+
|
||
|
|
return s.unterminatedComment()
|
||
|
|
|
||
|
|
"!=" return NEQ
|
||
|
|
"##" return PPPASTE
|
||
|
|
"%:" return '#'
|
||
|
|
"%:%:" return PPPASTE
|
||
|
|
"%=" return MODASSIGN
|
||
|
|
"%>" return '}'
|
||
|
|
"&&" return ANDAND
|
||
|
|
"&=" return ANDASSIGN
|
||
|
|
"*=" return MULASSIGN
|
||
|
|
"++" return INC
|
||
|
|
"+=" return ADDASSIGN
|
||
|
|
"--" return DEC
|
||
|
|
"-=" return SUBASSIGN
|
||
|
|
"->" return ARROW
|
||
|
|
"..." return DDD
|
||
|
|
"/=" return DIVASSIGN
|
||
|
|
":>" return ']'
|
||
|
|
"<%" return '{'
|
||
|
|
"<:" return '['
|
||
|
|
"<<" return LSH
|
||
|
|
"<<=" return LSHASSIGN
|
||
|
|
"<=" return LEQ
|
||
|
|
"==" return EQ
|
||
|
|
">=" return GEQ
|
||
|
|
">>" return RSH
|
||
|
|
">>=" return RSHASSIGN
|
||
|
|
"^=" return XORASSIGN
|
||
|
|
"|=" return ORASSIGN
|
||
|
|
"||" return OROR
|
||
|
|
|
||
|
|
L{string-literal} return LONGSTRINGLITERAL
|
||
|
|
L{character-constant} return LONGCHARCONST
|
||
|
|
{character-constant} return CHARCONST
|
||
|
|
{identifier} return IDENTIFIER
|
||
|
|
{pp-number} return PPNUMBER
|
||
|
|
{string-literal} return STRINGLITERAL
|
||
|
|
|
||
|
|
\r?\n return '\n'
|
||
|
|
|
||
|
|
%%
|
||
|
|
if c, ok := s.abort(); ok {
|
||
|
|
return rune(c)
|
||
|
|
}
|
||
|
|
|
||
|
|
goto yyAction
|
||
|
|
}
|