Antlr4 简介 ANTLR(全名:ANother Tool for Language Recognition)是基于LL(*)算法实现的语法解析器生成器(parser generator),用Java语言编写,使用自上而下(top-down)的递归下降LL剖析器方法。由旧金山大学的Terence
go run ./cmd/pego ./examples/calc/grammer.pegoTesting parse by generated parser_gen.go:go test ./examples/calc/Given:1+2*(3-4)/5 Get:1+2*(3-4)/5 + <root> #1 (0:0-0:11): "1+2*(3-4)/5" + expr #2 (0:0-0:11): "1+2*(3-4)/5" + term #3 (0:0-0:1): ...
至于用什么手段来生成,你可以通过Go语言内置的Parser读取文本文件中的Go源代码,然后根据AST来生成目标代码,也可以简单地把这个源结构体和Generator的代码放在一起编译,让结构体作为Generator的输入参数(这样会更简单一些),都是可以的。 当然这种思路并不是唯一选择,我们还可以通过解析thrift的IDL,生成一套HTTP接口的结构...
golemon - A port of the Lemon parser-generator goll1e - An LL(1) parser generator for the Go programming language. golua - Go wrapper for LUA's C API golua-fork - A fork of GoLua that works on current releases of Go gotcl - Tcl interpreter in Go meme - Scheme interpreter...
A Golang PEG Parser Generator. Contribute to JnBrymn/gopar development by creating an account on GitHub.
goll1e - An LL(1) parser generator for the Go programming language. golua - Go wrapper for LUA's C API golua-fork - A fork of GoLua that works on current releases of Go gotcl - Tcl interpreter in Go meme - Scheme interpreter in Go ngaro - A ngaro virtual machine to run retro...
file, err := parser.ParseFile(fs, source,nil,0)// ...} generator 是如何生成代码的? generator 对象通过 Generate 这个方法来生成代码 func(g *generator)p(formatstring, args ...interface{}) { fmt.Fprintf(&g.buf, g.indent+format+"\n", args...) ...
Lex(A Lexical Analyzer Generator)用于生成词法分析器,用于把输入分割成一个个有意义的词块(称为token)。 Yacc(Yet Another Compiler-Compiler)用于生成语法解析器,用于确定上述分隔好的token之间的关联。 下图描述了整个处理的流程: Lex根据输入的patterns生成词法分析器。
golemon - A port of the Lemon parser-generator goll1e - An LL(1) parser generator for the Go programming language. golua - Go wrapper for LUA's C API golua-fork - A fork of GoLua that works on current releases of Go gotcl - Tcl interpreter in Go meme - Scheme interpreter in Go...
● 新增PCG-DXSM(Permuted Congruential Generator) 和ChaCha8两种随机数生成器。删除 Mitchell & Reeds LFSR 生成器。 示例: // 列举了部分math/rand库的使用 packagemain import( "fmt" "math/rand/v2" "os" "strings" "text/tabwriter" "time"