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Created August 10, 2016 13:25
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自制编程语言
@JeOam
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JeOam commented Aug 14, 2016 •
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  • 如果环境无法直接运行 yacc，可以使用 GNU 项目提供的 bison。
  • 如果环境无法直接运行 lex，可以使用lex的免费版 flex。

Instal flex and yacc on OS X:

brew install flex
brew install bison

编译 mycalc 项目：

$ bison --yacc -dv mycalc.y  #  生成 y.output y.tab.c  y.tab.h 文件
$ flex mycalc.l  # 生成 lex.yy.c 文件
$ cc -o mycalc y.tab.c lex.yy.c
$ ./mycalc
... 1+1
>>2.000000

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JeOam commented Aug 28, 2016

Valgrind is an instrumentation framework for building dynamic analysis tools. There are Valgrind tools that can automatically detect many memory management and threading bugs, and profile your programs in detail. You can also use Valgrind to build new tools.

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