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jass parser

2025-08-25 13:07:15   0  举报

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JASS Parser是一个用于解析JASS (Just Another Scripting Syntax) 代码的工具。JASS是一种专用于暴雪娱乐公司开发的游戏——尤其是《魔兽争霸III》和其自定义地图的脚本语言。JASS Parser的核心功能包括语法分析、错误检测、代码优化。

jass

jass parser

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作者其他创作

大纲/内容

词法分析

number

0-9

0[0-7]+

octal

0[xX][0-9a-fA-F]{1,8}

hex

0\.[0-9]*

float

[1-9]+

number:normal

int:[0-9]{1,10}

float:([0-9]+\. )|([0-9]+\.[0-9]+)

(\.[0-9]+)|([0-9]+\. )|([0-9]+\.[0-9]+)

number:float

$[0-9a-fA-F]{1,8}

hex

keyword

[a-zA-Z]

[a-zA-Z]+([a-z_A-Z0-9]*[a-zA-Z0-9])?

operator

operator precedence

[] ()

+{expr} -{expr}

* /

+ -

< <= > >=

== !=

separator

comma operator

+ {expr}

unary plus operator

{expr} + {epxr}

binary plus operator

- {expr}

unary minus operator

{expr} - {epxr}

binary minus operator

{expr} * {epxr}

binary multiplication operator

multiple lines comment end

single line comment start

/*

multiple lines comment start

{expr} / {epxr}

binary division operator

equality operator

assignment operator

less-than operator

less-than-or-equal-to operator

greater-than operator

greater-than-or-equal-to operator

inequality operator

[]

postfix-expression [ expression ]

subscript operator

()

postfix-expression ( expression-list? )

function call operator

\{\n}

concatline

\{other}

error!

new line

(\r\n|\r+)

new line

space

\x20

space

('[.]|[.]{4}')

charator

length:1,4

“([^"]|\\")+”

string

escape sequence

\',\",\\,\f,\n,\r,\t,\v

simple escape sequence

\000

octal escape sequence

\xhh

hexadecimal escape sequence

\uXXXX

universal character name

[%?@^_`~:;&|{}#]

Unused visible characters,show error!

([\x1-\x8]|[\xB\xC]|[\xE-\x1F]|[\x7F])

Unused Invisible characters,show error!

[\x80-\xFF]

read utf-8/ascii next charator,show error!

\x0

input eof,exit

语法分析

描述语定义

$value

boolean

true/false/???

integer

hex:0x???

hex:$???

charator

'?'

'????'

real

string

code

function {symbol}

handle

{symbol}

$symbol

variable

native

function

args

{value}

param

type_name

variable_name

code

function

funcion_name

expression

()

{expression}

unary operator

{expression}

constant_value

optional:binary operator

{expression}

symbol_name

optional:binary operator

{expression}

$symbol

variable_name

function_name

$variable

?:constant

type

?:array

name

?:=

{expression}

declaration

type

name

extends

type_name

$native

?:constant

native

name

takes 

{param_list}

returns

type_name

$globals

globals

{variable list}

endglobals

$function

?:constant

function

name

takes

{param...}

returns

type_name

{statement}

endfunction

$comment

{...}

line end

/*

{...}

statement

local

type

?:array

name

?:=

{expression}

set

variable_name

?:[{expression}]

{expression}

call

function_name

(

{args...}

)

if

{expression}

then

elseif*

{expression}

then

else

endif

loop

{new line}

exitwhen*

{expression}

endloop

return

?:{expression}

logic

*:type

*:native

*:globals

*:{variable list}

*:function

*:local

*:set

*:call

*:loop

*:exitwhen

*:loop/if/set/call/return

endloop

*:if

*:loop/if/set/call/return

*:elseif

*:loop/if/set/call/return

?:else

*:loop/if/set/call/return

endif

*:return

*://{line}

*:/*{...}*/

AST

NodeType

Decl

TypeDecl

GlobalVarDecl

NativeDecl

FunctionDecl

ParamList

ReturnType

Block

CommentDecl

Statement

LocalDecl

SetStatement

CallStatement

IfStatement

LoopStatement

ReturnStatement

Expression

Literal(value)

Variable(name)

BinaryOp(op, left, right)

UnaryOp(op, expr)

ArrayAccess(var, index)

FunctionCall(name, args)

语义分析

作用域解析

类型检查

可变性检查

初始化与可达性

控制流完整性

数组/切片边界与维度检查

函数/运算符重载决议

语义限制与方言差异

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