comunic/3rdparty/luminous/languages/vim.php
2016-11-19 12:08:12 +01:00

64 lines
2.1 KiB
PHP
Executable File

<?php
// I can't find some formal definition of vimscript's grammar.
// I'm pretty sure it's more complex than this, but, who knows.
require_once(dirname(__FILE__) . '/include/vim_list.php');
class LuminousVimScriptScanner extends LuminousSimpleScanner {
public function string_override() {
$comment = $this->bol();
$this->skip_whitespace();
assert($this->peek() === '"');
if ($comment) {
$this->record($this->scan("/.*/"), 'COMMENT');
} else {
if ($this->scan("/ \" (?> [^\n\"\\\\]+ | \\\\. )*$ /mx")) {
$this->record($this->match(), 'COMMENT');
}
else {
$m = $this->scan(LuminousTokenPresets::$DOUBLE_STR);
assert($m !== null);
$this->record($m, 'STRING');
}
}
}
static function comment_filter($token) {
$token = LuminousUtils::escape_token($token);
$str = &$token[1];
// It pays to run the strpos checks first.
if (strpos(substr($str, 1), '"') !== false)
$str = preg_replace('/(?<!^)"(?>[^"]*)"/', "<STRING>$0</STRING>", $str);
if (strpos($str, ':') !== false)
$str = preg_replace('/(?<=^")((?>\W*))((?>[A-Z]\w+(?>(?>\s+\w+)*)))(:\s*)(.*)/',
'$1<DOCTAG>$2</DOCTAG>$3<DOCSTR>$4</DOCSTR>', $str);
return $token;
}
function init() {
$this->add_pattern('COMMENT_STRING', "/[\t ]*\"/");
$this->add_pattern('STRING', "/'(?>[^\n\\\\']+ | \\\\. )*'/x");
$this->add_pattern('NUMERIC','/\#[a-f0-9]+/i');
$this->add_pattern('NUMERIC', LuminousTokenPresets::$NUM_HEX);
$this->add_pattern('NUMERIC', LuminousTokenPresets::$NUM_REAL);
$this->add_pattern('IDENT', '/[a-z_]\w*/i');
$this->add_pattern('OPERATOR', '@[~¬!%^&*\-=+;:,<.>/?\|]+@');
$this->add_identifier_mapping('FUNCTION',
$GLOBALS['luminous_vim_functions']);
$this->add_identifier_mapping('KEYWORD',
$GLOBALS['luminous_vim_keywords']);
$this->remove_stream_filter('oo-syntax');
$this->remove_filter('comment-to-doc');
$this->add_filter('comment', 'COMMENT', array($this, 'comment_filter'));
$this->overrides = array('COMMENT_STRING' => array($this, 'string_override'));
}
}