vdoc: markdown, html, json generation + lots of fixes

cmd/v/help/default.txt

@@ -18,6 +18,7 @@ V supports the following commands:
    test              Run all test files in the provided directory.
    fmt               Format the V code provided.
    doc               Generate the documentation for a V module.
+   vlib-docs         Generate and open the documentation of all the vlib modules.
    repl              Run the REPL.
 * Installation/self updating:
    symlink           Create a symbolic link for V.
@@ -37,4 +38,4 @@ Use "v help <command>" for more information about a command, example: `v help bu
 Use "v help other" to see less frequently used commands.
 
 Note: Help is required to write more help topics.
-Only build, fmt, run, test, search, install, remove, update, bin2v are properly documented currently.
+Only build, doc, fmt, run, test, search, install, remove, update, bin2v are properly documented currently.

cmd/v/help/doc.txt

@@ -0,0 +1,16 @@
+Usage: 
+  v doc [flags] module_name output_file[.json|.md|.html]
+  v doc [flags] path_to_source.v output_file[.json|.md|.html]
+  v doc [flags] ./directory output_file[.json|.md|.html]
+  v doc [flags] . output_file[.json|.md|.html]
+
+Generates the documentation of a given directory, module, or V source file 
+and prints or saves them to its desired format. It can generate HTML, JSON, 
+or Markdown format.
+
+Options:
+  -all    Includes private and public functions/methods/structs/consts/enums.
+  -loc    Show the locations of the generated signatures. (For plaintext only)
+  -m      Generate docs for modules listed in that folder.
+  -s      Serve HTML-generated docs via HTTP.
+  -r      Include README.md to docs if present.

cmd/v/v.v

@@ -5,8 +5,6 @@ module main
 
 import help
 import os
-import v.table
-import v.doc
 import v.pref
 import v.util
 import v.builder
@@ -19,7 +17,7 @@ const (
 		'repl',
 		'build-tools', 'build-examples',
 		'build-vbinaries',
-		'setup-freetype'
+		'setup-freetype', 'doc'
 	]
 	list_of_flags_that_allow_duplicates = ['cc', 'd', 'define', 'cf', 'cflags']
 )
@@ -80,6 +78,9 @@ fn main_v() {
 			util.launch_tool(prefs.is_verbose, 'vpm', os.args[1..])
 			return
 		}
+		'vlib-docs' {
+			util.launch_tool(prefs.is_verbose, 'vdoc', ['doc', '-m', '-s', '-r', os.join_path(os.base_dir(@VEXE), 'vlib')])
+		}
 		'get' {
 			println('V Error: Use `v install` to install modules from vpm.vlang.io')
 			exit(1)
@@ -88,17 +89,6 @@ fn main_v() {
 			println(util.full_v_version(prefs.is_verbose))
 			return
 		}
-		'doc' {
-			mut mod := ''
-			if args.len == 1 {
-				println('v doc [module]')
-			} else if args.len > 1 {
-				mod = args[1]
-			}
-			table := table.new_table()
-			println(doc.doc(mod, table, prefs))
-			return
-		}
 		else {}
 	}
 	if command in ['run', 'build-module'] || command.ends_with('.v') || os.exists(command) {