Java example source code file (Syntax.java)
The Syntax.java Java example source code/*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package jdk.nashorn.internal.runtime.regexp.joni;
import static jdk.nashorn.internal.runtime.regexp.joni.constants.MetaChar.INEFFECTIVE_META_CHAR;
import jdk.nashorn.internal.runtime.regexp.joni.constants.SyntaxProperties;
public final class Syntax implements SyntaxProperties{
private final int op;
private final int op2;
private final int behavior;
public final int options;
public final MetaCharTable metaCharTable;
public Syntax(int op, int op2, int behavior, int options, MetaCharTable metaCharTable) {
this.op = op;
this.op2 = op2;
this.behavior = behavior;
this.options = options;
this.metaCharTable = metaCharTable;
}
public static class MetaCharTable {
public final int esc;
public final int anyChar;
public final int anyTime;
public final int zeroOrOneTime;
public final int oneOrMoreTime;
public final int anyCharAnyTime;
public MetaCharTable(int esc, int anyChar, int anyTime,
int zeroOrOneTime, int oneOrMoreTime, int anyCharAnyTime) {
this.esc = esc;
this.anyChar = anyChar;
this.anyTime = anyTime;
this.zeroOrOneTime = zeroOrOneTime;
this.oneOrMoreTime = oneOrMoreTime;
this.anyCharAnyTime = anyCharAnyTime;
}
}
/**
* OP
*
*/
protected boolean isOp(int opm) {
return (op & opm) != 0;
}
public boolean opVariableMetaCharacters() {
return isOp(OP_VARIABLE_META_CHARACTERS);
}
public boolean opDotAnyChar() {
return isOp(OP_DOT_ANYCHAR);
}
public boolean opAsteriskZeroInf() {
return isOp(OP_ASTERISK_ZERO_INF);
}
public boolean opEscAsteriskZeroInf() {
return isOp(OP_ESC_ASTERISK_ZERO_INF);
}
public boolean opPlusOneInf() {
return isOp(OP_PLUS_ONE_INF);
}
public boolean opEscPlusOneInf() {
return isOp(OP_ESC_PLUS_ONE_INF);
}
public boolean opQMarkZeroOne() {
return isOp(OP_QMARK_ZERO_ONE);
}
public boolean opEscQMarkZeroOne() {
return isOp(OP_ESC_QMARK_ZERO_ONE);
}
public boolean opBraceInterval() {
return isOp(OP_BRACE_INTERVAL);
}
public boolean opEscBraceInterval() {
return isOp(OP_ESC_BRACE_INTERVAL);
}
public boolean opVBarAlt() {
return isOp(OP_VBAR_ALT);
}
public boolean opEscVBarAlt() {
return isOp(OP_ESC_VBAR_ALT);
}
public boolean opLParenSubexp() {
return isOp(OP_LPAREN_SUBEXP);
}
public boolean opEscLParenSubexp() {
return isOp(OP_ESC_LPAREN_SUBEXP);
}
public boolean opEscAZBufAnchor() {
return isOp(OP_ESC_AZ_BUF_ANCHOR);
}
public boolean opEscCapitalGBeginAnchor() {
return isOp(OP_ESC_CAPITAL_G_BEGIN_ANCHOR);
}
public boolean opDecimalBackref() {
return isOp(OP_DECIMAL_BACKREF);
}
public boolean opBracketCC() {
return isOp(OP_BRACKET_CC);
}
public boolean opEscWWord() {
return isOp(OP_ESC_W_WORD);
}
public boolean opEscLtGtWordBeginEnd() {
return isOp(OP_ESC_LTGT_WORD_BEGIN_END);
}
public boolean opEscBWordBound() {
return isOp(OP_ESC_B_WORD_BOUND);
}
public boolean opEscSWhiteSpace() {
return isOp(OP_ESC_S_WHITE_SPACE);
}
public boolean opEscDDigit() {
return isOp(OP_ESC_D_DIGIT);
}
public boolean opLineAnchor() {
return isOp(OP_LINE_ANCHOR);
}
public boolean opPosixBracket() {
return isOp(OP_POSIX_BRACKET);
}
public boolean opQMarkNonGreedy() {
return isOp(OP_QMARK_NON_GREEDY);
}
public boolean opEscControlChars() {
return isOp(OP_ESC_CONTROL_CHARS);
}
public boolean opEscCControl() {
return isOp(OP_ESC_C_CONTROL);
}
public boolean opEscOctal3() {
return isOp(OP_ESC_OCTAL3);
}
public boolean opEscXHex2() {
return isOp(OP_ESC_X_HEX2);
}
public boolean opEscXBraceHex8() {
return isOp(OP_ESC_X_BRACE_HEX8);
}
/**
* OP
*
*/
protected boolean isOp2(int opm) {
return (op2 & opm) != 0;
}
public boolean op2EscCapitalQQuote() {
return isOp2(OP2_ESC_CAPITAL_Q_QUOTE);
}
public boolean op2QMarkGroupEffect() {
return isOp2(OP2_QMARK_GROUP_EFFECT);
}
public boolean op2OptionPerl() {
return isOp2(OP2_OPTION_PERL);
}
public boolean op2OptionRuby() {
return isOp2(OP2_OPTION_RUBY);
}
public boolean op2PlusPossessiveRepeat() {
return isOp2(OP2_PLUS_POSSESSIVE_REPEAT);
}
public boolean op2PlusPossessiveInterval() {
return isOp2(OP2_PLUS_POSSESSIVE_INTERVAL);
}
public boolean op2CClassSetOp() {
return isOp2(OP2_CCLASS_SET_OP);
}
public boolean op2QMarkLtNamedGroup() {
return isOp2(OP2_QMARK_LT_NAMED_GROUP);
}
public boolean op2EscKNamedBackref() {
return isOp2(OP2_ESC_K_NAMED_BACKREF);
}
public boolean op2EscGSubexpCall() {
return isOp2(OP2_ESC_G_SUBEXP_CALL);
}
public boolean op2AtMarkCaptureHistory() {
return isOp2(OP2_ATMARK_CAPTURE_HISTORY);
}
public boolean op2EscCapitalCBarControl() {
return isOp2(OP2_ESC_CAPITAL_C_BAR_CONTROL);
}
public boolean op2EscCapitalMBarMeta() {
return isOp2(OP2_ESC_CAPITAL_M_BAR_META);
}
public boolean op2EscVVtab() {
return isOp2(OP2_ESC_V_VTAB);
}
public boolean op2EscUHex4() {
return isOp2(OP2_ESC_U_HEX4);
}
public boolean op2EscGnuBufAnchor() {
return isOp2(OP2_ESC_GNU_BUF_ANCHOR);
}
public boolean op2EscPBraceCharProperty() {
return isOp2(OP2_ESC_P_BRACE_CHAR_PROPERTY);
}
public boolean op2EscPBraceCircumflexNot() {
return isOp2(OP2_ESC_P_BRACE_CIRCUMFLEX_NOT);
}
public boolean op2EscHXDigit() {
return isOp2(OP2_ESC_H_XDIGIT);
}
public boolean op2IneffectiveEscape() {
return isOp2(OP2_INEFFECTIVE_ESCAPE);
}
/**
* BEHAVIOR
*
*/
protected boolean isBehavior(int bvm) {
return (behavior & bvm) != 0;
}
public boolean contextIndepRepeatOps() {
return isBehavior(CONTEXT_INDEP_REPEAT_OPS);
}
public boolean contextInvalidRepeatOps() {
return isBehavior(CONTEXT_INVALID_REPEAT_OPS);
}
public boolean allowUnmatchedCloseSubexp() {
return isBehavior(ALLOW_UNMATCHED_CLOSE_SUBEXP);
}
public boolean allowInvalidInterval() {
return isBehavior(ALLOW_INVALID_INTERVAL);
}
public boolean allowIntervalLowAbbrev() {
return isBehavior(ALLOW_INTERVAL_LOW_ABBREV);
}
public boolean strictCheckBackref() {
return isBehavior(STRICT_CHECK_BACKREF);
}
public boolean differentLengthAltLookBehind() {
return isBehavior(DIFFERENT_LEN_ALT_LOOK_BEHIND);
}
public boolean captureOnlyNamedGroup() {
return isBehavior(CAPTURE_ONLY_NAMED_GROUP);
}
public boolean allowMultiplexDefinitionName() {
return isBehavior(ALLOW_MULTIPLEX_DEFINITION_NAME);
}
public boolean fixedIntervalIsGreedyOnly() {
return isBehavior(FIXED_INTERVAL_IS_GREEDY_ONLY);
}
public boolean notNewlineInNegativeCC() {
return isBehavior(NOT_NEWLINE_IN_NEGATIVE_CC);
}
public boolean backSlashEscapeInCC() {
return isBehavior(BACKSLASH_ESCAPE_IN_CC);
}
public boolean allowEmptyRangeInCC() {
return isBehavior(ALLOW_EMPTY_RANGE_IN_CC);
}
public boolean allowDoubleRangeOpInCC() {
return isBehavior(ALLOW_DOUBLE_RANGE_OP_IN_CC);
}
public boolean warnCCOpNotEscaped() {
return isBehavior(WARN_CC_OP_NOT_ESCAPED);
}
public boolean warnReduntantNestedRepeat() {
return isBehavior(WARN_REDUNDANT_NESTED_REPEAT);
}
public static final Syntax RUBY = new Syntax(
(( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
OP_ESC_OCTAL3 | OP_ESC_X_HEX2 |
OP_ESC_X_BRACE_HEX8 | OP_ESC_CONTROL_CHARS |
OP_ESC_C_CONTROL )
& ~OP_ESC_LTGT_WORD_BEGIN_END ),
( OP2_QMARK_GROUP_EFFECT |
OP2_OPTION_RUBY |
OP2_QMARK_LT_NAMED_GROUP | OP2_ESC_K_NAMED_BACKREF |
OP2_ESC_G_SUBEXP_CALL |
OP2_ESC_P_BRACE_CHAR_PROPERTY |
OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
OP2_PLUS_POSSESSIVE_REPEAT |
OP2_CCLASS_SET_OP | OP2_ESC_CAPITAL_C_BAR_CONTROL |
OP2_ESC_CAPITAL_M_BAR_META | OP2_ESC_V_VTAB |
OP2_ESC_H_XDIGIT ),
( GNU_REGEX_BV |
ALLOW_INTERVAL_LOW_ABBREV |
DIFFERENT_LEN_ALT_LOOK_BEHIND |
CAPTURE_ONLY_NAMED_GROUP |
ALLOW_MULTIPLEX_DEFINITION_NAME |
FIXED_INTERVAL_IS_GREEDY_ONLY |
WARN_CC_OP_NOT_ESCAPED |
WARN_REDUNDANT_NESTED_REPEAT ),
Option.NONE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax DEFAULT = RUBY;
public static final Syntax ASIS = new Syntax(
0,
OP2_INEFFECTIVE_ESCAPE,
0,
Option.NONE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax PosixBasic = new Syntax(
(POSIX_COMMON_OP | OP_ESC_LPAREN_SUBEXP |
OP_ESC_BRACE_INTERVAL ),
0,
0,
( Option.SINGLELINE | Option.MULTILINE ),
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax PosixExtended = new Syntax(
( POSIX_COMMON_OP | OP_LPAREN_SUBEXP |
OP_BRACE_INTERVAL |
OP_PLUS_ONE_INF | OP_QMARK_ZERO_ONE |OP_VBAR_ALT ),
0,
( CONTEXT_INDEP_ANCHORS |
CONTEXT_INDEP_REPEAT_OPS | CONTEXT_INVALID_REPEAT_OPS |
ALLOW_UNMATCHED_CLOSE_SUBEXP |
ALLOW_DOUBLE_RANGE_OP_IN_CC ),
( Option.SINGLELINE | Option.MULTILINE ),
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax Emacs = new Syntax(
( OP_DOT_ANYCHAR | OP_BRACKET_CC |
OP_ESC_BRACE_INTERVAL |
OP_ESC_LPAREN_SUBEXP | OP_ESC_VBAR_ALT |
OP_ASTERISK_ZERO_INF | OP_PLUS_ONE_INF |
OP_QMARK_ZERO_ONE | OP_DECIMAL_BACKREF |
OP_LINE_ANCHOR | OP_ESC_CONTROL_CHARS ),
OP2_ESC_GNU_BUF_ANCHOR,
ALLOW_EMPTY_RANGE_IN_CC,
Option.NONE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax Grep = new Syntax(
( OP_DOT_ANYCHAR | OP_BRACKET_CC | OP_POSIX_BRACKET |
OP_ESC_BRACE_INTERVAL | OP_ESC_LPAREN_SUBEXP |
OP_ESC_VBAR_ALT |
OP_ASTERISK_ZERO_INF | OP_ESC_PLUS_ONE_INF |
OP_ESC_QMARK_ZERO_ONE | OP_LINE_ANCHOR |
OP_ESC_W_WORD | OP_ESC_B_WORD_BOUND |
OP_ESC_LTGT_WORD_BEGIN_END | OP_DECIMAL_BACKREF ),
0,
( ALLOW_EMPTY_RANGE_IN_CC | NOT_NEWLINE_IN_NEGATIVE_CC ),
Option.NONE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax GnuRegex = new Syntax(
GNU_REGEX_OP,
0,
GNU_REGEX_BV,
Option.NONE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax Java = new Syntax(
(( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
OP_ESC_CONTROL_CHARS | OP_ESC_C_CONTROL |
OP_ESC_OCTAL3 | OP_ESC_X_HEX2 )
& ~OP_ESC_LTGT_WORD_BEGIN_END ),
( OP2_ESC_CAPITAL_Q_QUOTE | OP2_QMARK_GROUP_EFFECT |
OP2_OPTION_PERL | OP2_PLUS_POSSESSIVE_REPEAT |
OP2_PLUS_POSSESSIVE_INTERVAL | OP2_CCLASS_SET_OP |
OP2_ESC_V_VTAB | OP2_ESC_U_HEX4 |
OP2_ESC_P_BRACE_CHAR_PROPERTY ),
( GNU_REGEX_BV | DIFFERENT_LEN_ALT_LOOK_BEHIND ),
Option.SINGLELINE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax Perl = new Syntax(
(( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
OP_ESC_OCTAL3 | OP_ESC_X_HEX2 |
OP_ESC_X_BRACE_HEX8 | OP_ESC_CONTROL_CHARS |
OP_ESC_C_CONTROL )
& ~OP_ESC_LTGT_WORD_BEGIN_END ),
( OP2_ESC_CAPITAL_Q_QUOTE |
OP2_QMARK_GROUP_EFFECT | OP2_OPTION_PERL |
OP2_ESC_P_BRACE_CHAR_PROPERTY |
OP2_ESC_P_BRACE_CIRCUMFLEX_NOT ),
GNU_REGEX_BV,
Option.SINGLELINE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax PerlNG = new Syntax(
(( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
OP_ESC_OCTAL3 | OP_ESC_X_HEX2 |
OP_ESC_X_BRACE_HEX8 | OP_ESC_CONTROL_CHARS |
OP_ESC_C_CONTROL )
& ~OP_ESC_LTGT_WORD_BEGIN_END ),
( OP2_ESC_CAPITAL_Q_QUOTE |
OP2_QMARK_GROUP_EFFECT | OP2_OPTION_PERL |
OP2_ESC_P_BRACE_CHAR_PROPERTY |
OP2_ESC_P_BRACE_CIRCUMFLEX_NOT |
OP2_QMARK_LT_NAMED_GROUP |
OP2_ESC_K_NAMED_BACKREF |
OP2_ESC_G_SUBEXP_CALL ),
( GNU_REGEX_BV |
CAPTURE_ONLY_NAMED_GROUP |
ALLOW_MULTIPLEX_DEFINITION_NAME ),
Option.SINGLELINE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
public static final Syntax JAVASCRIPT = new Syntax(
(( GNU_REGEX_OP | OP_QMARK_NON_GREEDY |
OP_ESC_CONTROL_CHARS | OP_ESC_C_CONTROL | OP_ESC_X_HEX2)
& ~OP_ESC_LTGT_WORD_BEGIN_END ),
( OP2_QMARK_GROUP_EFFECT |
OP2_ESC_V_VTAB | OP2_ESC_U_HEX4 ),
( GNU_REGEX_BV | DIFFERENT_LEN_ALT_LOOK_BEHIND ),
Option.SINGLELINE,
new MetaCharTable(
'\\', /* esc */
INEFFECTIVE_META_CHAR, /* anychar '.' */
INEFFECTIVE_META_CHAR, /* anytime '*' */
INEFFECTIVE_META_CHAR, /* zero or one time '?' */
INEFFECTIVE_META_CHAR, /* one or more time '+' */
INEFFECTIVE_META_CHAR /* anychar anytime */
)
);
}
Other Java examples (source code examples)Here is a short list of links related to this Java Syntax.java source code file: |
The search page
Other Java source code examples at this package level
Click here to learn more about this project
