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tryc's Introduction

tryC - a small interpreter written by C

tryC is a very simple interpreter made by hand in C language, about 570 lines:

Use recursive descent method for grammatical analysis, do not explicitly build a grammar tree, generate intermediate code or target code; interpret and execute at the same time as grammatical analysis.

The try language implemented by tryC:

  • Dynamic types, supported data types: double-precision floating-point numbers, character types, strings, arrays of floating-point numbers;
  • Support the definition of functions and variables, recursive call of functions, nested scope;

tryC是一个用c语言手搓的非常简单的解释器,大约570行:

采用递归下降法进行语法分析,不显式构建语法树,不生成中间代码或目标代码,在语法分析的同时进行解释执行;

tryC实现的try语言:

  • 动态类型,支持的数据类型:双精度浮点数、字符型、字符串、浮点数数组
  • 支持函数和变量的定义、函数的递归调用、嵌套作用域

files:

source:tryC.c

example:test.try

build and run:

build:

gcc -o tryc tryC.c

usage:

tryc [-d] filename

documents in Chinese

用c语言手搓一个600行的类c语言解释器: 给编程初学者的解释器教程(1)- 目标和前言

用c语言手搓一个600行的类c语言解释器: 给编程初学者的解释器教程(2)- 简介和设计

用c语言手搓一个600行的类c语言解释器: 给编程初学者的解释器教程(3)- 词法分析

用c语言手搓一个600行的类c语言解释器: 给编程初学者的解释器教程(4)- 语法分析1:EBNF和递归下降文法

用c语言手搓一个600行的类c语言解释器: 给编程初学者的解释器教程(5)- 语法分析2: tryC的语法分析实现

用c语言手搓一个600行的类c语言解释器: 给编程初学者的解释器教程(6)- 语义分析:符号表和变量、函数

tryc's People

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