ANTLR：无关输入问题
我有一个语法文件Bookings.g和我试图用该语法解析的文件 为什么我会犯这些错误 第1行：12外部输入“pcc”应为字符串 第3行：0不匹配的输入“}”，应为ScenarioPart1 第7行：13不匹配的输入“R”应为字符串 第9行：8不匹配的输入“Doll”应为字符串 第15行：8不匹配的输入“Train”应为字符串 第21行：8不匹配的输入“Ball”应为字符串 第34行：“}”处缺少EOF 语法ANTLR：无关输入问题,antlr,Antlr,我有一个语法文件Bookings.g和我试图用该语法解析的文件 为什么我会犯这些错误 第1行：12外部输入“pcc”应为字符串 第3行：0不匹配的输入“}”，应为ScenarioPart1 第7行：13不匹配的输入“R”应为字符串 第9行：8不匹配的输入“Doll”应为字符串 第15行：8不匹配的输入“Train”应为字符串 第21行：8不匹配的输入“Ball”应为字符串 第34行：“}”处缺少EOF 语法 grammar Bookings; @members { private De
grammar Bookings;
@members
{
private DefaultBookingsFile bookingsFile;
public DefaultBookingsFile getBookingsFile()
{
return this.bookingsFile;
}
}
@header {
package at.silverstrike.pcc.impl.tj3bookingsparser.grammar;
import org.slf4j.Logger;
}
@lexer::header {
package at.silverstrike.pcc.impl.tj3bookingsparser.grammar;
}
bookingsFile
:
{
this.bookingsFile = new DefaultBookingsFile();
}
header
projectIds
resourceDeclaration
task+
(
suppTask=supplementTask { this.bookingsFile.addSupplementStatement( $suppTask.suppStmt ); }
)*
supplementResource*
EOF
;
header
:
Project Prj String String DateTimeWithTimeZone Hyphen DateTimeWithTimeZone OpenParen TimeZone Utc
ScenarioPart1 OpenParen ScenarioPart2 CloseParen
CloseParen
;
ScenarioPart1
:
'scenario plan "Plan"'
;
ScenarioPart2
:
'active yes'
;
TimeZone
:
'timezone'
;
Utc
:
'"'A+'"'
;
projectIds:
Projectids Prj
;
resourceDeclaration
: Resource Identifier String
;
task
:
Task Identifier String OpenParen
(task)*
(Start DateTimeWithTimeZone
End DateTimeWithTimeZone
Scheduling Asap
Scheduled)*
CloseParen
;
/* (Complete FloatingPointNumber)* */
supplementTask returns [DefaultSupplementStatement suppStmt]
:
{
suppStmt = new DefaultSupplementStatement();
}
Supplement Task taskId=Identifier {suppStmt.setTaskId($taskId.text); }
OpenParen
(
bStmt=booking {suppStmt.addBookingStatement( $bStmt.stmt ); }
)*
Priority IntegerNumber
CloseParen
;
supplementResource
:
Supplement Resource Identifier OpenParen
workinghours+
CloseParen
;
workinghours
:
Workinghours DayOfWeek (Off|workingIntervals)
;
Workinghours
: 'workinghours'
;
workingIntervals
:
workingInterval (Comma workingInterval)*
;
workingInterval
: Time Hyphen Time
;
Time
: IntegerNumber Colon IntegerNumber
;
Colon
:
':'
;
Comma
:
','
;
DayOfWeek
: 'mon'
| 'tue'
| 'wed'
| 'thu'
| 'fri'
| 'sat'
| 'sun'
;
Off
:
'off'
;
booking returns [DefaultBookingStatement stmt]
:
{
stmt = new DefaultBookingStatement();
}
Booking resource=Identifier { stmt.setResource($resource.text); }
bt1=bookingTime { stmt.addIndBooking($bt1.indBooking); }
(Comma
bt2=bookingTime { stmt.addIndBooking($bt2.indBooking); }
)*
(OpenParen
overtime
CloseParen)
;
bookingTime returns [DefaultIndBooking indBooking]
:
startTime=DateTimeWithTimeZone
Plus
bookingDuration=FloatingPointNumberDuration
{
$indBooking = new DefaultIndBooking($startTime.text, $bookingDuration.text);
}
;
Booking
:
'booking'
;
Plus
:
'+'
;
duration
:
FloatingPointNumber 'h'
;
overtime
:
Overtime IntegerNumber
;
Overtime
:
'overtime'
;
Supplement
:
'supplement'
;
Priority
:
'priority'
;
Complete
:
'complete'
;
Start
:
'start'
;
End
:
'end'
;
Scheduling
:
'scheduling'
;
Asap
:
'asap'
;
Scheduled
:
'scheduled'
;
Task
:
'task'
;
Resource
:
'resource'
;
Projectids
:
'projectids'
;
Project
: 'project'
;
Prj
: 'prj'
;
OpenParen
: '{'
;
CloseParen
: '}'
;
Hyphen
: '-'
;
FloatingPointNumber
: D+'.'D+
;
FloatingPointNumberDuration
: D+ P D+ H
;
IntegerNumber
: D+
;
Identifier
: (D|A|P)+;
String
: '"' ~'"'* '"'
;
DateTimeWithTimeZone
: D D D D '-' D D '-' D D '-' D D ':' D D '-+' D D D D
;
fragment
D
: '0'..'9'
;
fragment
A
: 'A'..'Z'
| 'a'..'z'
;
fragment
P
: '.'
;
fragment
H
: 'h'
;
Space
: (' ' | '\t' | '\r'? '\n'){$channel=HIDDEN;}
;
project prj "pcc" "1.0" 2011-09-04-00:00-+0000 - 2011-10-04-10:00-+0000 {
timezone "UTC"
scenario plan "Plan" {
active yes
}
}
projectids prj
resource R62 "R"
task T1 "Doll" {
start 2011-09-05-14:00-+0000
end 2011-09-05-16:00-+0000
scheduling asap
scheduled
}
task T2 "Train" {
start 2011-09-05-11:00-+0000
end 2011-09-05-14:00-+0000
scheduling asap
scheduled
}
task T4 "Ball" {
task T3 "Big ball" {
start 2011-09-05-09:00-+0000
end 2011-09-05-11:00-+0000
scheduling asap
scheduled
}
task T5 "Small ball" {
start 2011-09-05-16:00-+0000
end 2011-09-05-17:00-+0000
scheduling asap
scheduled
}
}
supplement task T1 {
booking R62 2011-09-05-14:00-+0000 + 2.0h { overtime 2 }
priority 997
projectid prj
}
supplement task T2 {
booking R62 2011-09-05-11:00-+0000 + 3.0h { overtime 2 }
priority 998
projectid prj
}
supplement task T4 {
priority 0
projectid prj
}
supplement task T4.T3 {
booking R62 2011-09-05-09:00-+0000 + 2.0h { overtime 2 }
priority 1000
projectid prj
}
supplement task T4.T5 {
booking R62 2011-09-05-16:00-+0000 + 1.0h { overtime 2 }
priority 996
projectid prj
}
supplement resource R62 {
workinghours sun off
workinghours mon 9:00 - 17:00
workinghours tue 9:00 - 17:00
workinghours wed 9:00 - 17:00
workinghours thu 9:00 - 17:00
workinghours fri 9:00 - 17:00
workinghours sat off
}
grammar Bookings;
@members
{
private DefaultBookingsFile bookingsFile;
public DefaultBookingsFile getBookingsFile()
{
return this.bookingsFile;
}
}
@header {
package at.silverstrike.pcc.impl.tj3bookingsparser.grammar;
import org.slf4j.Logger;
}
@lexer::header {
package at.silverstrike.pcc.impl.tj3bookingsparser.grammar;
}
bookingsFile
:
{
this.bookingsFile = new DefaultBookingsFile();
}
header
projectIds
resourceDeclaration
task+
(
suppTask=supplementTask { this.bookingsFile.addSupplementStatement( $suppTask.suppStmt ); }
)*
supplementResource*
EOF
;
header
:
Project Prj String String DateTimeWithTimeZone Hyphen DateTimeWithTimeZone OpenParen TimeZone String
ScenarioPart1 OpenParen ScenarioPart2 CloseParen
CloseParen
;
ScenarioPart1
:
'scenario plan "Plan"'
;
ScenarioPart2
:
'active yes'
;
TimeZone
:
'timezone'
;
projectIds:
Projectids Prj
;
resourceDeclaration
: Resource Identifier String
;
task
:
Task Identifier String OpenParen
(task)*
(Start DateTimeWithTimeZone
End DateTimeWithTimeZone
Scheduling Asap
Scheduled)*
CloseParen
;
/* (Complete FloatingPointNumber)* */
supplementTask returns [DefaultSupplementStatement suppStmt]
:
{
suppStmt = new DefaultSupplementStatement();
}
Supplement Task taskId=Identifier {suppStmt.setTaskId($taskId.text); }
OpenParen
(
bStmt=booking {suppStmt.addBookingStatement( $bStmt.stmt ); }
)*
Priority IntegerNumber
ProjectIdPrj
CloseParen
;
supplementResource
:
Supplement Resource Identifier OpenParen
workinghours+
CloseParen
;
workinghours
:
Workinghours DayOfWeek (Off|workingIntervals)
;
Workinghours
: 'workinghours'
;
workingIntervals
:
workingInterval (Comma workingInterval)*
;
workingInterval
: Time Hyphen Time
;
Time
: IntegerNumber Colon IntegerNumber
;
Colon
:
':'
;
Comma
:
','
;
DayOfWeek
: 'mon'
| 'tue'
| 'wed'
| 'thu'
| 'fri'
| 'sat'
| 'sun'
;
Off
:
'off'
;
booking returns [DefaultBookingStatement stmt]
:
{
stmt = new DefaultBookingStatement();
}
Booking resource=Identifier { stmt.setResource($resource.text); }
bt1=bookingTime { stmt.addIndBooking($bt1.indBooking); }
(Comma
bt2=bookingTime { stmt.addIndBooking($bt2.indBooking); }
)*
(OpenParen
overtime
CloseParen)
;
bookingTime returns [DefaultIndBooking indBooking]
:
startTime=DateTimeWithTimeZone
Plus
bookingDuration=FloatingPointNumberDuration
{
$indBooking = new DefaultIndBooking($startTime.text, $bookingDuration.text);
}
;
ProjectIdPrj
:
'projectid prj'
;
Booking
:
'booking'
;
Plus
:
'+'
;
duration
:
FloatingPointNumber 'h'
;
overtime
:
Overtime IntegerNumber
;
Overtime
:
'overtime'
;
Supplement
:
'supplement'
;
Priority
:
'priority'
;
Complete
:
'complete'
;
Start
:
'start'
;
End
:
'end'
;
Scheduling
:
'scheduling'
;
Asap
:
'asap'
;
Scheduled
:
'scheduled'
;
Task
:
'task'
;
Resource
:
'resource'
;
Projectids
:
'projectids'
;
Project
: 'project'
;
Prj
: 'prj'
;
OpenParen
: '{'
;
CloseParen
: '}'
;
Hyphen
: '-'
;
FloatingPointNumber
: D+'.'D+
;
FloatingPointNumberDuration
: D+ P D+ H
;
IntegerNumber
: D+
;
Identifier
: (D|A|P)+;
String
: '"' ~'"'* '"'
;
DateTimeWithTimeZone
: D D D D '-' D D '-' D D '-' D D ':' D D '-+' D D D D
;
fragment
D
: '0'..'9'
;
fragment
A
: 'A'..'Z'
| 'a'..'z'
;
fragment
P
: '.'
;
fragment
H
: 'h'
;
Space
: (' ' | '\t' | '\r'? '\n'){$channel=HIDDEN;}
;
'“pcc”'“R”'“Doll”'“Train”'“Ball”字符串，而是标记为Utc
令牌，这导致它们无法满足预期字符串
令牌的生产（解析器）规则
另外，您的补充任务
规则是错误的。它看起来像：
supplementTask
: Supplement Task Identifier
OpenParen
booking*
Priority IntegerNumber
CloseParen
;
supplement task T1 {
booking R62 2011-09-05-14:00-+0000 + 2.0h { overtime 2 }
priority 997
projectid prj
}
然而，您的输入看起来像：
supplementTask
: Supplement Task Identifier
OpenParen
booking*
Priority IntegerNumber
CloseParen
;
supplement task T1 {
booking R62 2011-09-05-14:00-+0000 + 2.0h { overtime 2 }
priority 997
projectid prj
}
例如，在您的优先级
和整数编号
标记之后，没有关闭密码
，但有源“projectd prj”
仅供参考，以下是lexer生产的代币列表：
Project project
Prj prj
Utc "pcc"
String "1.0"
DateTimeWithTimeZone 2011-09-04-00:00-+0000
Hyphen -
DateTimeWithTimeZone 2011-10-04-10:00-+0000
OpenParen {
TimeZone timezone
Utc "UTC"
ScenarioPart1 scenario plan "Plan"
OpenParen {
ScenarioPart2 active yes
CloseParen }
CloseParen }
Projectids projectids
Prj prj
Resource resource
Identifier R62
Utc "R"
Task task
Identifier T1
Utc "Doll"
OpenParen {
Start start
DateTimeWithTimeZone 2011-09-05-14:00-+0000
End end
DateTimeWithTimeZone 2011-09-05-16:00-+0000
Scheduling scheduling
Asap asap
Scheduled scheduled
CloseParen }
Task task
Identifier T2
Utc "Train"
OpenParen {
Start start
DateTimeWithTimeZone 2011-09-05-11:00-+0000
End end
DateTimeWithTimeZone 2011-09-05-14:00-+0000
Scheduling scheduling
Asap asap
Scheduled scheduled
CloseParen }
Task task
Identifier T4
Utc "Ball"
OpenParen {
Task task
Identifier T3
String "Big ball"
OpenParen {
Start start
DateTimeWithTimeZone 2011-09-05-09:00-+0000
End end
DateTimeWithTimeZone 2011-09-05-11:00-+0000
Scheduling scheduling
Asap asap
Scheduled scheduled
CloseParen }
Task task
Identifier T5
String "Small ball"
OpenParen {
Start start
DateTimeWithTimeZone 2011-09-05-16:00-+0000
End end
DateTimeWithTimeZone 2011-09-05-17:00-+0000
Scheduling scheduling
Asap asap
Scheduled scheduled
CloseParen }
CloseParen }
Supplement supplement
Task task
Identifier T1
OpenParen {
Booking booking
Identifier R62
DateTimeWithTimeZone 2011-09-05-14:00-+0000
Plus +
FloatingPointNumberDuration 2.0h
OpenParen {
Overtime overtime
IntegerNumber 2
CloseParen }
Priority priority
IntegerNumber 997
Identifier projectid
Prj prj
CloseParen }
Supplement supplement
Task task
Identifier T2
OpenParen {
Booking booking
Identifier R62
DateTimeWithTimeZone 2011-09-05-11:00-+0000
Plus +
FloatingPointNumberDuration 3.0h
OpenParen {
Overtime overtime
IntegerNumber 2
CloseParen }
Priority priority
IntegerNumber 998
Identifier projectid
Prj prj
CloseParen }
Supplement supplement
Task task
Identifier T4
OpenParen {
Priority priority
IntegerNumber 0
Identifier projectid
Prj prj
CloseParen }
Supplement supplement
Task task
Identifier T4.T3
OpenParen {
Booking booking
Identifier R62
DateTimeWithTimeZone 2011-09-05-09:00-+0000
Plus +
FloatingPointNumberDuration 2.0h
OpenParen {
Overtime overtime
IntegerNumber 2
CloseParen }
Priority priority
IntegerNumber 1000
Identifier projectid
Prj prj
CloseParen }
Supplement supplement
Task task
Identifier T4.T5
OpenParen {
Booking booking
Identifier R62
DateTimeWithTimeZone 2011-09-05-16:00-+0000
Plus +
FloatingPointNumberDuration 1.0h
OpenParen {
Overtime overtime
IntegerNumber 2
CloseParen }
Priority priority
IntegerNumber 996
Identifier projectid
Prj prj
CloseParen }
Supplement supplement
Resource resource
Identifier R62
OpenParen {
Workinghours workinghours
DayOfWeek sun
Off off
Workinghours workinghours
DayOfWeek mon
Time 9:00
Hyphen -
Time 17:00
Workinghours workinghours
DayOfWeek tue
Time 9:00
Hyphen -
Time 17:00
Workinghours workinghours
DayOfWeek wed
Time 9:00
Hyphen -
Time 17:00
Workinghours workinghours
DayOfWeek thu
Time 9:00
Hyphen -
Time 17:00
Workinghours workinghours
DayOfWeek fri
Time 9:00
Hyphen -
Time 17:00
Workinghours workinghours
DayOfWeek sat
Off off
CloseParen }
工程项目
Prj Prj
Utc“pcc”
字符串“1.0”
DateTimeWithTimeZone 2011-09-04-00:00-+0000
连字符-
DateTimeWithTimeZone 2011-10-04-10:00-+0000
OpenParen{
时区时区
Utc“Utc”
场景第1部分场景计划“计划”
OpenParen{
场景第2部分活动是
CloseParen}
CloseParen}
射影射影
Prj Prj
资源
标识符R62
Utc“R”
任务
标识符T1
Utc“娃娃”
OpenParen{
开始
DateTimeWithTimeZone 2011-09-05-14:00-+0000
结束
DateTimeWithTimeZone 2011-09-05-16:00-+0000
排程
尽快
预定
CloseParen}
任务
标识符T2
Utc“列车”
OpenParen{
开始
DateTimeWithTimeZone 2011-09-05-11:00-+0000
结束
DateTimeWithTimeZone 2011-09-05-14:00-+0000
排程
尽快
预定
CloseParen}
任务
标识符T4
Utc“球”
OpenParen{
任务
标识符T3
串“大球”
OpenParen{
开始
DateTimeWithTimeZone 2011-09-05-09:00-+0000
结束
DateTimeWithTimeZone 2011-09-05-11:00-+0000
排程
尽快
预定
CloseParen}
任务
标识符T5
弦“小球”
OpenParen{
开始
DateTimeWithTimeZone 2011-09-05-16:00-+0000
结束
DateTimeWithTimeZone 2011-09-05-17:00-+0000
排程
尽快
预定
CloseParen}
CloseParen}
补充资料
任务
标识符T1
OpenParen{
预订
标识符R62
DateTimeWithTimeZone 2011-09-05-14:00-+0000
加上+
浮点数持续时间2.0h
OpenParen{
加班
整数2
CloseParen}
优先权
整数997
标识符投影
Prj Prj
CloseParen}
补充资料
任务
标识符T2
OpenParen{
预订
标识符