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< > BotCompany Repo | #1002329 // Java(X) Parsing Rules using empty classes (current)

Document

case-sensitive // cause that's what Java is

= source
<sourcepart> <source> = source

! <int> = translatorcall

<translatorcall> = sourcepart

<classdecl> = sourcepart

<modifiers> class <identifier> <typeparams> = classhead

static = modifier
public = modifier
abstract = modifier
protected = modifier
final = modifier
transient = modifier
volatile = modifier
synchronized = modifier

= modifiers
<modifier> <modifiers> = modifiers

<classhead> { } = emptyclass

<emptyclass> = classdecl

<classhead> { <classbody> } = classdecl

<classbody> <classbody> = classbody

; = classbody

<vardecl> = classbody

<qid> = type
<qid> <typeparams> = type
<type> [] = type

<> = typeargs
< <typelist> > = typeargs

<typeargs> = typeargs_opt
= typeargs_opt

= typeparams
< <typeparamlist_opt> > = typeparams

= typeparamlist_opt
<typeparamlist> = typeparamlist_opt

<typeparam> = typeparamlist
<typeparam>, <typeparamlist> = typeparamlist

<type> = typeparam
<type> extends <type> = typeparam
<type> implements <type> = typeparam

<type> = typelist
<type>, <typelist> = typelist

<block> = blockorsemicolon
; = blockorsemicolon

() = argsdecl2
(<argsdecl>) = argsdecl2

= throws_opt
throws <typelist> = throws_opt

<modifiers> <type> <identifier> <argsdecl2> <throws_opt> <blockorsemicolon> = method

<modifiers> <identifier> <argsdecl2> <throws_opt> <block> = constructordecl
<modifiers> * <argsdecl2> <throws_opt> <block> = constructordecl // javax

<constructordecl> = classbody
<method> = classbody

<classdecl> = classbody // inner classes!

<identifier> = expX
<quoted> = expX
<int> = expX
-<int> = expX

// explist, args

<exp> = actualExplist
<exp>, <actualExplist> = actualExplist
<actualExplist> = explist
= explist

(<explist>) = args

// function calls - precedence?

<identifier> <args> = call
<call> = expX

// method call - precedence?

<exp>.<call> = methodcall
<methodcall> = expX

// qualified identifier

<identifier> = qid
<identifier>.<qid> = qid
<qid> = expX

// "new" expressions

new <qid> <typeargs_opt> = newexp // JavaX!
new <qid> <typeargs_opt> <args> = newexp
<newexp> = exp

// bracketing expressions - gives highest precedence

( <exp> ) = expX

// binary operators

<expX> = exp3

<exp3> = exp2
<exp2> * <exp3> = exp2
<exp2> / <exp3> = exp2

<exp2> = exp1
<exp1> + <exp2> = exp1
<exp1> - <exp2> = exp1

<exp1> = exp0
<exp1> < <exp1> = exp0
<exp1> > <exp1> = exp0
<exp1> != <exp1> = exp0

= empty // hack...
<exp1> = <empty> = <exp1> = exp0

// m1 = minus 1...
<exp0> = expm1
<exp0> ? <exp0> : <exp0> = expm1 // priority?

// casts (where in hierarchy?)

(<type>) <exp1> = exp1

<expm1> = exp

<type> <identifier> = argsdecl
<type> * <identifier> = argsdecl // javax
<argsdecl>, <argsdecl> = argsdecl

// variable declarations (both local and fields)

// simple variable declaration

<modifiers> <type> <identifier> = vardeclShort
<vardeclShort>; = <vardecl>

// same with initializer

<modifiers> <type> <identifier> = <exp> = vardeclShort

// todo: multiple decls...

<vardecl> = statement
<classdecl> = statement -- local class declared in code

// empty statement

; = statement

// if statements!

= else
else <statement> = else

if (<exp>) <statement> <else> = if

// extra rule because parser has trouble with empty classes at end of stream...
if (<exp>) <statement> = if

<if> = statement

// empty statement

; = emptyStatement
<emptyStatement> = statement

// return statement!

ret = returnKeyword
return = returnKeyword

<returnKeyword> <exp>; = return
<return> = statement

// statement list

= statements
<statement> <statements> = statements

// blocks!

{ <statements> } = block
<block> = statement

// assigments!

<exp> = <exp> = assignmentShort
<exp> += <exp> = assignmentShort
<exp> -= <exp> = assignmentShort
<exp> *= <exp> = assignmentShort
<exp> /= <exp> = assignmentShort
// etc...

<assignmentShort>; = statement
<call>; = statement
<methodcall>; = statement
<newexp>; = statement

// for! - gotta look how it is defined exactly...

= for1
<vardeclShort> = for1
<explist> = for1
<assignmentShort> = for1

<explist> = for2

for (<for1>; <for2>; <for1>) <statement> = for
<for> = statement

// foreach

for (<modifiers> <type> <identifier> : <exp>) <statement> = foreach
<foreach> = statement

// imports

import <qid>; = import
import <qid>.*; = import
import static <qid>; = import
import static <qid>.*; = import

<import> = sourcepart

// synchronized statement

synchronized(<exp>) <statement> = statement

// try / catch

catch (<vardecl>) <block> = catch

finally <block> = catches
<catch> = catches
<catch> <catches> = catches

try <block> <catches> = try

<try> = statement

Author comment

Began life as a copy of #1002324

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Snippet ID: #1002329
Snippet name: Java(X) Parsing Rules using empty classes (current)
Eternal ID of this version: #1002329/1
Text MD5: 5dd9dfd537b7cbb49a52ee9afcd1f134
Author: stefan
Category: javax
Type: Document
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2016-02-01 21:54:35
Source code size: 4889 bytes / 266 lines
Pitched / IR pitched: No / No
Views / Downloads: 782 / 1220
Referenced in: #1002326 - Test Java Parsing
#1002369 - NL Parser, reworking the interface (CURRENT)
#1002372 - New Parser Bot (parse/jparse)
#1002384 - Chase Java Parsing explist_opt bug
#1002472 - NL Parser, implementing names & new eval order (superseded by #1002719)
#1002475 - Very New Parser Bot
#1002719 - "Bottom-Up" NL Parser, faster explainMatch (LIVE EVERYWHERE)
#3000202 - Answer for stefanreich (>> T conversion bot)
#3000238 - Answer for stefanreich (>> t power bot)
#3000382 - Answer for ferdie (>> t = 1, f = 0)
#3000383 - Answer for funkoverflow (>> t=1, f=0 okay)