LangScan: tutorial

How to Build

To build langscan, run the following commands. You need to prepare requirements beforehand.

% tar zxf langscan-XXX.tar.gz  # XXX is the version number
% cd langscan-XXX
% ./configure
% make

You don't have to install the LangScan files to your system directory (ex. /usr/local/*). Instead, you can try LangScan in the build directory.

Example

% cat -n hello.c
     1  #include <stdio.h>
     2
     3  int main(int argc, char **argv)
     4  {
     5    printf("Hello World.\n");
     6    return 0;
     7  }
% ruby -rlangscan/c -e 'LangScan::C.scan(ARGF.readlines.join) {|f| p f}' hello.c
...

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