Implement --vim switch

README.markdown

@@ -1,5 +1,5 @@
 
-Run jslint on command line fast (with v8 engine)
+Run jslint on the command line fast (with v8 engine)
 ================================================
 
 jslint-v8 is a modern and extreamly fast runner for the popular jslint
@@ -10,7 +10,7 @@ Credits
 --------
 * this work was inspired by [jsbeautify][] implementation.
 * original jslint-v8 implementation by [jlbfalcao][]
-* vim support and Rakefile by [Vladimir Dobriakov][]
+* vim support and Rakefile by [Vladimir Dobriakov][] AKA [geekQ][]
 
 
 Build
@@ -35,6 +35,10 @@ Run on console
 
     jslint --browser file.js
 
+checks the style for `file.js`. You can provide all the known jslint
+switches on the command line. Here `--browser` indicates that e.g.
+XMLHttpRequest object should be allowed.
+
 
 Run from vim
 ------------
@@ -43,11 +47,14 @@ Set up `jslint` as make program in .vimrc:
 
     autocmd BufRead,BufNewFile *.js,*.json setlocal makeprg=jslint\ --vim\ \%
 
-`--vim` provides error message formatting suitable for parsing in vim
-(TODO)
+`--vim` provides error message formatting suitable for parsing in vim.
+
+Now you can check your JavaScript easily with `:make` or even
+automatically on every file save or load.
 
 [v8 doc]: http://code.google.com/apis/v8/build.html
 [jsbeautify]: http://blog.slashpoundbang.com/post/2488598258/running-javascript-from-the-command-line-with-v8
 [jlbfalcao]: https://github.com/jlbfalcao/jslint-v8
 [Vladimir Dobriakov]: http://www.mobile-web-consulting.de
 [jslint]: http://www.jslint.com/
+[geekQ]: http://www.geekQ.net/

Rakefile

@@ -5,4 +5,5 @@ end
 
 task :convert_js_to_h do
   sh "ruby convert_to_h.rb print_vim.js > print_vim.h"
+  sh "ruby convert_to_h.rb print_human.js > print_human.h"
 end

jslint.cpp

@@ -7,7 +7,7 @@
 #include <string.h>
 
 #include "jslint.h"
-#include "v8.h"
+#include "print_human.h"
 #include "print_vim.h"
 
 using namespace v8;
@@ -71,6 +71,7 @@ static void usage(char* progname)
     printf("See: http://www.JSLint.com/lint.html\n");
     printf("default selected: --bitwise --eqeqeq --immed --newcap --nomen --onevar --regexp --undef --white\n");
     printf("[options]\n");
+    printf(" --vim         : produce output in a form suitable for vim editor.\n");
     printf(" --adsafe      : ADsafe\n");
     printf(" --bitwise     : Disallow bitwise operator.\n"); 
     printf(" --browser     : Assume a browser.\n");
@@ -117,6 +118,7 @@ int main(int argc, char* argv[])
     bool overwrite = false;
     const char* output = 0;
     bool some_parameter = false;
+    bool vim_mode = false;
 
     for (int argpos = 1; argpos < argc; ++argpos) {
         if (argv[argpos][0] != '-') {
@@ -128,6 +130,8 @@ int main(int argc, char* argv[])
                    strcmp(argv[argpos], "-h") == 0) {
             usage(argv[0]);
             return -1;
+        } else if (strcmp(argv[argpos], "--vim") == 0) {
+            vim_mode = true;
         } else if (strncmp(argv[argpos], "--", 2) == 0) {
             // TODO: check if is valid.
             some_parameter = true;
@@ -167,7 +171,11 @@ int main(int argc, char* argv[])
     Handle<Script> runnerScript = Script::Compile(String::New("JSLINT(source, options);"));
     Handle<Value> result = runnerScript->Run();
 
-    Handle<Script> printScript = Script::Compile(String::New(print_vim_code));
+    Handle<Script> printScript;
+    if (vim_mode) 
+        printScript = Script::Compile(String::New(print_vim_code));
+    else 
+        printScript = Script::Compile(String::New(print_human_code));
     printScript->Run();
 
     return 0;

v8.h → print_human.h

@@ -1,4 +1,4 @@
-const char v8_code[] = {0xA,
+const char print_human_code[] = {0xA,
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 0x4A,0x53,0x4C,0x49,0x4E,0x54,0x2E,0x65,0x72,0x72,0x6F,0x72,0x73,0x2E,0x6C,0x65,
 0x6E,0x67,0x74,0x68,0x3B,0x20,0x69,0x20,0x2B,0x3D,0x20,0x31,0x29,0x20,0x7B,0xA,