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PhutilJavaFragmentLexer.php
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Sun, Nov 24, 12:21

PhutilJavaFragmentLexer.php
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<?php
final class PhutilJavaFragmentLexer extends PhutilLexer {
protected function getRawRules() {
$keywords = array(
'assert',
'break',
'case',
'catch',
'continue',
'default',
'do',
'else',
'finally',
'for',
'if',
'goto',
'instanceof',
'new',
'return',
'switch',
'this',
'throw',
'try',
'while',
);
$declarations = array(
'abstract',
'const',
'enum',
'extends',
'final',
'implements',
'native',
'private',
'protected',
'public',
'static',
'strictfp',
'super',
'synchronized',
'throws',
'transient',
'volatile',
);
$types = array(
'boolean',
'byte',
'char',
'double',
'float',
'int',
'long',
'short',
'void',
);
$constants = array(
'true',
'false',
'null',
);
$nonsemantic_rules = array(
array('\s+', null),
array('//.*?\\n', 'c'),
array('/\\*.*?\\*/', 'c'),
);
return array(
'start' => array_merge(
$nonsemantic_rules,
array(
array('('.implode('|', $keywords).')\\b', 'k'),
array('@[^\\W\\d][\\w.]*', 'nd'),
array('('.implode('|', $declarations).')\\b', 'k'),
array('('.implode('|', $types).')\\b', 'kt'),
array('(package|import\\s+static|import)\\b', 'kn', 'import'),
array('('.implode('|', $constants).')\\b', 'kc'),
array('(class|interface)\\b', 'kd', 'class'),
array('"(\\\\.|[^"\\\\]+)*"', 's'),
array("'(\\\\.|[^\\\\]|\\\\u[0-9a-f-A-F]{4})'", 's'),
array('([^\\W\\d]|\\$)[\\w$]*:', 'nl'),
array('([^\\W\\d]|\\$)[\\w$]*', 'n'),
array(
'(([0-9][0-9_]*\\.([0-9][0-9_]*)?|'.
'\\.[0-9][0-9_]*)([eE][+-]?[0-9][0-9_]*)?[fFdD]?|'.
'[0-9][eE][+-]?[0-9][0-9_]*[fFdD]?|'.
'[0-9]([eE][+-]?[0-9][0-9_]*)?[fFdD]|'.
'0[xX]([0-9a-fA-F][0-9a-fA-F_]*\\.?|'.
'([0-9a-fA-F][0-9a-fA-F_]*)?\\.[0-9a-fA-F][0-9a-fA-F_]*)'.
'[pP][+-]?[0-9][0-9_]*[fFdD]?)',
'mf',
),
array('0[xX][0-9a-fA-F][0-9a-fA-F_]*[lL]?', 'mh'),
array('0[bB][01][01_]*[lL]?', 'mb'),
array('0[0-7_]+[lL]?', 'mo'),
array('(0|[1-9][0-9_]*[lL]?)', 'mi'),
array('([~^*!%&\\[\\](){}<>|+=:;,./?-])', 'o'),
array('(\S+|\s+)', null),
)),
'class' => array_merge(
$nonsemantic_rules,
array(
array('([^\W\d]|\$)[\w$]*', 'nc', '!pop'),
array('', null, '!pop'),
)),
'import' => array_merge(
$nonsemantic_rules,
array(
array('[\w.]+\*?', 'nn', '!pop'),
array('', null, '!pop'),
)),
);
}
}

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