diff options
Diffstat (limited to 'lua/lexers/java.lua')
| -rw-r--r-- | lua/lexers/java.lua | 141 |
1 files changed, 108 insertions, 33 deletions
diff --git a/lua/lexers/java.lua b/lua/lexers/java.lua index df83b61..5c8bff2 100644 --- a/lua/lexers/java.lua +++ b/lua/lexers/java.lua @@ -1,67 +1,142 @@ --- Copyright 2006-2022 Mitchell. See LICENSE. +-- Copyright 2006-2024 Mitchell. See LICENSE. -- Java LPeg lexer. -- Modified by Brian Schott. local lexer = require('lexer') -local token, word_match = lexer.token, lexer.word_match local P, S = lpeg.P, lpeg.S -local lex = lexer.new('java') - --- Whitespace. -local ws = token(lexer.WHITESPACE, lexer.space^1) -lex:add_rule('whitespace', ws) +local lex = lexer.new(...) -- Classes. -lex:add_rule('classdef', token(lexer.KEYWORD, 'class') * ws * token(lexer.CLASS, lexer.word)) +lex:add_rule('classdef', lex:tag(lexer.KEYWORD, 'class') * lex:get_rule('whitespace') * + lex:tag(lexer.CLASS, lexer.word)) -- Keywords. -lex:add_rule('keyword', token(lexer.KEYWORD, word_match{ - 'abstract', 'assert', 'break', 'case', 'catch', 'class', 'const', 'continue', 'default', 'do', - 'else', 'enum', 'extends', 'final', 'finally', 'for', 'goto', 'if', 'implements', 'import', - 'instanceof', 'interface', 'native', 'new', 'package', 'private', 'protected', 'public', 'return', - 'static', 'strictfp', 'super', 'switch', 'synchronized', 'this', 'throw', 'throws', 'transient', - 'try', 'while', 'volatile', - -- Literals. - 'true', 'false', 'null' -})) - --- Types. -lex:add_rule('type', token(lexer.TYPE, word_match{ - 'boolean', 'byte', 'char', 'double', 'float', 'int', 'long', 'short', 'void', 'Boolean', 'Byte', - 'Character', 'Double', 'Float', 'Integer', 'Long', 'Short', 'String' -})) +lex:add_rule('keyword', lex:tag(lexer.KEYWORD, lex:word_match(lexer.KEYWORD))) -- Functions. -lex:add_rule('function', token(lexer.FUNCTION, lexer.word) * #P('(')) +local builtin_func = lex:tag(lexer.FUNCTION_BUILTIN, lex:word_match(lexer.FUNCTION_BUILTIN)) +local func = lex:tag(lexer.FUNCTION, lexer.word) +local method = lpeg.B('.') * lex:tag(lexer.FUNCTION_METHOD, lexer.word) +lex:add_rule('function', (builtin_func + method + func) * #(lexer.space^0 * '(')) + +-- Constants. +lex:add_rule('constant', lex:tag(lexer.CONSTANT_BUILTIN, lex:word_match(lexer.CONSTANT_BUILTIN) + + 'System.' * lexer.word_match('err in out'))) + +-- Types. +lex:add_rule('type', lex:tag(lexer.TYPE, lex:word_match(lexer.TYPE))) -- Identifiers. -lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.word)) +lex:add_rule('identifier', lex:tag(lexer.IDENTIFIER, lexer.word)) -- Strings. local sq_str = lexer.range("'", true) local dq_str = lexer.range('"', true) -lex:add_rule('string', token(lexer.STRING, sq_str + dq_str)) +lex:add_rule('string', lex:tag(lexer.STRING, sq_str + dq_str)) -- Comments. local line_comment = lexer.to_eol('//', true) local block_comment = lexer.range('/*', '*/') -lex:add_rule('comment', token(lexer.COMMENT, line_comment + block_comment)) +lex:add_rule('comment', lex:tag(lexer.COMMENT, line_comment + block_comment)) -- Numbers. -lex:add_rule('number', token(lexer.NUMBER, lexer.number * S('LlFfDd')^-1)) +lex:add_rule('number', lex:tag(lexer.NUMBER, lexer.number * S('LlFfDd')^-1)) -- Annotations. -lex:add_rule('annotation', token('annotation', '@' * lexer.word)) -lex:add_style('annotation', lexer.styles.preprocessor) +lex:add_rule('annotation', lex:tag(lexer.ANNOTATION, '@' * lexer.word)) -- Operators. -lex:add_rule('operator', token(lexer.OPERATOR, S('+-/*%<>!=^&|?~:;.()[]{}'))) +lex:add_rule('operator', lex:tag(lexer.OPERATOR, S('+-/*%<>!=^&|?~:;.()[]{}'))) -- Fold points. lex:add_fold_point(lexer.OPERATOR, '{', '}') lex:add_fold_point(lexer.COMMENT, '/*', '*/') -lex:add_fold_point(lexer.COMMENT, lexer.fold_consecutive_lines('//')) -lex:add_fold_point(lexer.KEYWORD, lexer.fold_consecutive_lines('import')) + +-- Word lists. +lex:set_word_list(lexer.KEYWORD, { + 'abstract', 'assert', 'break', 'case', 'catch', 'class', 'const', 'continue', 'default', 'do', + 'else', 'enum', 'extends', 'final', 'finally', 'for', 'goto', 'if', 'implements', 'import', + 'instanceof', 'interface', 'native', 'new', 'package', 'private', 'protected', 'public', 'return', + 'static', 'strictfp', 'super', 'switch', 'synchronized', 'this', 'throw', 'throws', 'transient', + 'try', 'while', 'volatile', -- + 'true', 'false', 'null' -- literals +}) + +lex:set_word_list(lexer.FUNCTION_BUILTIN, { + 'clone', 'equals', 'finalize', 'getClass', 'hashCode', 'notify', 'notifyAll', 'toString', 'wait', -- + 'Boolean.compare', 'Boolean.getBoolean', 'Boolean.parseBoolean', 'Boolean.valueOf', -- + 'Byte.compare', 'Byte.decode', 'Byte.parseByte', 'Byte.valueOf', -- + 'Character.charCount', 'Character.codePointAt', 'Character.codePointBefore', + 'Character.codePointCount', 'Character.compare', 'Character.digit', 'Character.forDigit', + 'Character.getName', 'Character.getNumericValue', 'Character.getType', 'Character.isAlphabetic', + 'Character.isDefined', 'Character.isDigit', 'Character.isIdentifierIgnorable', + 'Character.isIdeographic', 'Character.isISOControl', 'Character.isJavaIdentifierPart', + 'Character.isJavaIdentifierStart', 'Character.isLetter', 'Character.isLetterOrDigit', + 'Character.isLowerCase', 'Character.isMirrored', 'Character.isSpaceChar', + 'Character.isSupplementaryCodePoint', 'Character.isSurrogate', 'Character.isSurrogatePair', + 'Character.isTitleCase', 'Character.isUnicodeIdentifierPart', + 'Character.isUnicodeIdentifierStart', 'Character.isUpperCase', 'Character.isValidCodePoint', + 'Character.isWhitespace', 'Character.offsetByCodePoints', 'Character.reverseBytes', + 'Character.toChars', 'Character.toCodePoint', 'Character.toLowerCase', 'Character.toTitleCase', + 'Character.toUpperCase', 'Character.valueOf', -- + 'Double.compare', 'Double.doubleToLongBits', 'Double.doubleToRawLongBits', 'Double.isInfinite', + 'Double.longBitsToDouble', 'Double.parseDouble', 'Double.toHexString', 'Double.valueOf', -- + 'Integer.bitCount', 'Integer.compare', 'Integer.decode', 'Integer.getInteger', + 'Integer.highestOneBit', 'Integer.lowestOneBit', 'Integer.numberOfLeadingZeros', + 'Integer.numberOfTrailingZeros', 'Integer.parseInt', 'Integer.reverse', 'Integer.reverseBytes', + 'Integer.rotateLeft', 'Integer.rotateRight', 'Integer.signum', 'Integer.toBinaryString', + 'Integer.toHexString', 'Integer.toOctalString', 'Integer.valueOf', -- + 'Math.abs', 'Math.acos', 'Math.asin', 'Math.atan', 'Math.atan2', 'Math.cbrt', 'Math.ceil', + 'Math.copySign', 'Math.cos', 'Math.cosh', 'Math.exp', 'Math.expm1', 'Math.floor', + 'Math.getExponent', 'Math.hypot', 'Math.IEEEremainder', 'Math.log', 'Math.log10', 'Math.log1p', + 'Math.max', 'Math.min', 'Math.nextAfter', 'Math.nextUp', 'Math.pow', 'Math.random', 'Math.rint', + 'Math.round', 'Math.scalb', 'Math.signum', 'Math.sin', 'Math.sinh', 'Math.sqrt', 'Math.tan', + 'Math.tanh', 'Math.toDegrees', 'Math.toRadians', 'Math.ulp', -- + 'Runtime.getRuntime', -- + 'String.copyValueOf', 'String.format', 'String.valueOf', -- + 'System.arraycopy', 'System.clearProperty', 'System.console', 'System.currentTimeMillis', + 'System.exit', 'System.gc', 'System.getenv', 'System.getProperties', 'System.getProperty', + 'System.getSecurityManager', 'System.identityHashCode', 'System.inheritedChannel', + 'System.lineSeparator', 'System.load', 'System.loadLibrary', 'System.mapLibraryName', + 'System.nanoTime', 'System.runFinalization', 'System.setErr', 'System.setIn', 'System.setOut', + 'System.setProperties', 'System.setProperty', 'System.setSecurityManager', -- + 'Thread.activeCount', 'Thread.currentThread', 'Thread.dumpStack', 'Thread.enumerate', + 'Thread.getAllStackTraces', 'Thread.getDefaultUncaughtExceptionHandler', 'Thread.holdsLock', + 'Thread.interrupted', 'Thread.setDefaultUncaughtExceptionHandler', 'Thread.sleep', 'Thread.yield' -- +}) + +lex:set_word_list(lexer.CONSTANT_BUILTIN, { + 'Double.MAX_EXPONENT', 'Double.MAX_VALUE', 'Double.MIN_EXPONENT', 'Double.MIN_NORMAL', + 'Double.MIN_VALUE', 'Double.NaN', 'Double.NEGATIVE_INFINITY', 'Double.POSITIVE_INFINITY', -- + 'Integer.MAX_VALUE', 'Integer.MIN_VALUE', -- + 'Math.E', 'Math.PI', -- + 'Thread.MAX_PRIORITY', 'Thread.MIN_PRIORITY', 'Thread.NORM_PRIORITY' +}) + +lex:set_word_list(lexer.TYPE, { + 'boolean', 'byte', 'char', 'double', 'float', 'int', 'long', 'short', 'void', 'Boolean', 'Byte', + 'Character', 'Class', 'Double', 'Enum', 'Float', 'Integer', 'Long', 'Object', 'Process', + 'Runtime', 'Short', 'String', 'StringBuffer', 'StringBuilder', 'Thread', 'Throwable', 'Void', + -- Exceptions. + 'ArithmeticException', 'ArrayIndexOutOfBoundsException', 'ArrayStoreException', + 'ClassCastException', 'ClassNotFoundException', 'CloneNotSupportedException', + 'EnumConstantNotPresentException', 'Exception', 'IllegalAccessException', + 'IllegalArgumentException', 'IllegalMonitorStateException', 'IllegalStateException', + 'IllegalThreadStateException', 'IndexOutOfBoundsException', 'InstantiationException', + 'InterruptedException', 'NegativeArraySizeException', 'NoSuchFieldException', + 'NoSuchMethodException', 'NullPointerException', 'NumberFormatException', + 'ReflectiveOperationException', 'RuntimeException', 'SecurityException', + 'StringIndexOutOfBoundsException', 'TypeNotPresentException', 'UnsupportedOperationException', + -- Errors. + 'AbstractMethodError', 'AssertionError', 'BootstrapMethodError', 'ClassCircularityError', + 'ClassFormatError', 'Error', 'ExceptionInInitializerError', 'IllegalAccessError', + 'IncompatibleClassChangeError', 'InstantiationError', 'InternalError', 'LinkageError', + 'NoClassDefFoundError', 'NoSuchFieldError', 'NoSuchMethodError', 'OutOfMemoryError', + 'StackOverflowError', 'ThreadDeath', 'UnknownError', 'UnsatisfiedLinkError', + 'UnsupportedClassVersionError', 'VerifyError', 'VirtualMachineError' +}) + +lexer.property['scintillua.comment'] = '//' return lex |