jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment Java Examples
The following examples show how to use
jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment.
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Example #1
| Source File: BackRefNode.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #2
| Source File: BackRefNode.java From hottub with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #3
| Source File: CClassNode.java From hottub with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #4
| Source File: CClassNode.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #5
| Source File: BackRefNode.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #6
| Source File: BackRefNode.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(int backRef, ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #7
| Source File: CClassNode.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #8
| Source File: BackRefNode.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #9
| Source File: BackRefNode.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(int backRef, ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #10
| Source File: CClassNode.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #11
| Source File: BackRefNode.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #12
| Source File: BackRefNode.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #13
| Source File: CClassNode.java From jdk8u_nashorn with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #14
| Source File: CClassNode.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #15
| Source File: BackRefNode.java From jdk8u60 with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #16
| Source File: BackRefNode.java From nashorn with GNU General Public License v2.0 | 5 votes |
|
public BackRefNode(int backRef, ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
Example #17
| Source File: CClassNode.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
public void nextStateClass(final CCStateArg arg, final ScanEnvironment env) {
if (arg.state == CCSTATE.RANGE) {
throw new SyntaxException(ErrorMessages.ERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE);
}
if (arg.state == CCSTATE.VALUE && arg.type != CCVALTYPE.CLASS) {
if (arg.type == CCVALTYPE.SB) {
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
}
arg.state = CCSTATE.VALUE;
arg.type = CCVALTYPE.CLASS;
}
Example #18
| Source File: CClassNode.java From jdk8u_nashorn with GNU General Public License v2.0 | 4 votes |
|
public void addCodeRange(final ScanEnvironment env, final int from, final int to) {
mbuf = CodeRangeBuffer.addCodeRange(mbuf, env, from, to);
}
Example #19
| Source File: QuantifierNode.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(Node tgt, boolean group, ScanEnvironment env, char[] chars, int p, int end) {
if (lower == 1 && upper == 1) return 1;
switch(tgt.getType()) {
case STR:
if (!group) {
StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
QuantifierNode qnt = (QuantifierNode)tgt;
int nestQNum = popularNum();
int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
Example #20
| Source File: QuantifierNode.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(Node tgt, boolean group, ScanEnvironment env, char[] chars, int p, int end) {
if (lower == 1 && upper == 1) return 1;
switch(tgt.getType()) {
case STR:
if (!group) {
StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
QuantifierNode qnt = (QuantifierNode)tgt;
int nestQNum = popularNum();
int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
Example #21
| Source File: CClassNode.java From jdk8u_nashorn with GNU General Public License v2.0 | 4 votes |
|
public void nextStateValue(final CCStateArg arg, final ScanEnvironment env) {
switch(arg.state) {
case VALUE:
if (arg.type == CCVALTYPE.SB) {
if (arg.vs > 0xff) {
throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
}
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
break;
case RANGE:
if (arg.inType == arg.type) {
if (arg.inType == CCVALTYPE.SB) {
if (arg.vs > 0xff || arg.v > 0xff) {
throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
}
if (arg.vs > arg.v) {
if (env.syntax.allowEmptyRangeInCC()) {
// goto ccs_range_end
arg.state = CCSTATE.COMPLETE;
break;
}
throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
}
bs.setRange(arg.vs, arg.v);
} else {
addCodeRange(env, arg.vs, arg.v);
}
} else {
if (arg.vs > arg.v) {
if (env.syntax.allowEmptyRangeInCC()) {
// goto ccs_range_end
arg.state = CCSTATE.COMPLETE;
break;
}
throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
}
bs.setRange(arg.vs, arg.v < 0xff ? arg.v : 0xff);
addCodeRange(env, arg.vs, arg.v);
}
// ccs_range_end:
arg.state = CCSTATE.COMPLETE;
break;
case COMPLETE:
case START:
arg.state = CCSTATE.VALUE;
break;
default:
break;
} // switch
arg.vsIsRaw = arg.vIsRaw;
arg.vs = arg.v;
arg.type = arg.inType;
}
Example #22
| Source File: QuantifierNode.java From hottub with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(final Node tgt, final boolean group, final ScanEnvironment env, final char[] chars, final int p, final int end) {
if (lower == 1 && upper == 1) {
return 1;
}
switch(tgt.getType()) {
case STR:
if (!group) {
final StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
final StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
final QuantifierNode qnt = (QuantifierNode)tgt;
final int nestQNum = popularNum();
final int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
Example #23
| Source File: QuantifierNode.java From jdk8u_nashorn with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(final Node tgt, final boolean group, final ScanEnvironment env, final char[] chars, final int p, final int end) {
if (lower == 1 && upper == 1) {
return 1;
}
switch(tgt.getType()) {
case STR:
if (!group) {
final StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
final StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
final QuantifierNode qnt = (QuantifierNode)tgt;
final int nestQNum = popularNum();
final int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
Example #24
| Source File: CClassNode.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public void nextStateValue(final CCStateArg arg, final ScanEnvironment env) {
switch(arg.state) {
case VALUE:
if (arg.type == CCVALTYPE.SB) {
if (arg.vs > 0xff) {
throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
}
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
break;
case RANGE:
if (arg.inType == arg.type) {
if (arg.inType == CCVALTYPE.SB) {
if (arg.vs > 0xff || arg.v > 0xff) {
throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
}
if (arg.vs > arg.v) {
if (env.syntax.allowEmptyRangeInCC()) {
// goto ccs_range_end
arg.state = CCSTATE.COMPLETE;
break;
}
throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
}
bs.setRange(arg.vs, arg.v);
} else {
addCodeRange(env, arg.vs, arg.v);
}
} else {
if (arg.vs > arg.v) {
if (env.syntax.allowEmptyRangeInCC()) {
// goto ccs_range_end
arg.state = CCSTATE.COMPLETE;
break;
}
throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
}
bs.setRange(arg.vs, arg.v < 0xff ? arg.v : 0xff);
addCodeRange(env, arg.vs, arg.v);
}
// ccs_range_end:
arg.state = CCSTATE.COMPLETE;
break;
case COMPLETE:
case START:
arg.state = CCSTATE.VALUE;
break;
default:
break;
} // switch
arg.vsIsRaw = arg.vIsRaw;
arg.vs = arg.v;
arg.type = arg.inType;
}
Example #25
| Source File: CClassNode.java From hottub with GNU General Public License v2.0 | 4 votes |
|
public void addCodeRange(final ScanEnvironment env, final int from, final int to) {
mbuf = CodeRangeBuffer.addCodeRange(mbuf, env, from, to);
}
Example #26
| Source File: QuantifierNode.java From nashorn with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(Node tgt, boolean group, ScanEnvironment env, char[] chars, int p, int end) {
if (lower == 1 && upper == 1) return 1;
switch(tgt.getType()) {
case STR:
if (!group) {
StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
QuantifierNode qnt = (QuantifierNode)tgt;
int nestQNum = popularNum();
int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
Example #27
| Source File: QuantifierNode.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(final Node tgt, final boolean group, final ScanEnvironment env, final char[] chars, final int p, final int end) {
if (lower == 1 && upper == 1) {
return 1;
}
switch(tgt.getType()) {
case STR:
if (!group) {
final StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
final StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
final QuantifierNode qnt = (QuantifierNode)tgt;
final int nestQNum = popularNum();
final int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
Example #28
| Source File: CClassNode.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public void nextStateValue(final CCStateArg arg, final ScanEnvironment env) {
switch(arg.state) {
case VALUE:
if (arg.type == CCVALTYPE.SB) {
if (arg.vs > 0xff) {
throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
}
bs.set(arg.vs);
} else if (arg.type == CCVALTYPE.CODE_POINT) {
addCodeRange(env, arg.vs, arg.vs);
}
break;
case RANGE:
if (arg.inType == arg.type) {
if (arg.inType == CCVALTYPE.SB) {
if (arg.vs > 0xff || arg.v > 0xff) {
throw new ValueException(ErrorMessages.ERR_INVALID_CODE_POINT_VALUE);
}
if (arg.vs > arg.v) {
if (env.syntax.allowEmptyRangeInCC()) {
// goto ccs_range_end
arg.state = CCSTATE.COMPLETE;
break;
}
throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
}
bs.setRange(arg.vs, arg.v);
} else {
addCodeRange(env, arg.vs, arg.v);
}
} else {
if (arg.vs > arg.v) {
if (env.syntax.allowEmptyRangeInCC()) {
// goto ccs_range_end
arg.state = CCSTATE.COMPLETE;
break;
}
throw new ValueException(ErrorMessages.ERR_EMPTY_RANGE_IN_CHAR_CLASS);
}
bs.setRange(arg.vs, arg.v < 0xff ? arg.v : 0xff);
addCodeRange(env, arg.vs, arg.v);
}
// ccs_range_end:
arg.state = CCSTATE.COMPLETE;
break;
case COMPLETE:
case START:
arg.state = CCSTATE.VALUE;
break;
default:
break;
} // switch
arg.vsIsRaw = arg.vIsRaw;
arg.vs = arg.v;
arg.type = arg.inType;
}
Example #29
| Source File: CClassNode.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
public void addCodeRange(final ScanEnvironment env, final int from, final int to) {
mbuf = CodeRangeBuffer.addCodeRange(mbuf, env, from, to);
}
Example #30
| Source File: QuantifierNode.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
@SuppressWarnings("fallthrough")
public int setQuantifier(final Node tgt, final boolean group, final ScanEnvironment env, final char[] chars, final int p, final int end) {
if (lower == 1 && upper == 1) {
return 1;
}
switch(tgt.getType()) {
case STR:
if (!group) {
final StringNode sn = (StringNode)tgt;
if (sn.canBeSplit()) {
final StringNode n = sn.splitLastChar();
if (n != null) {
setTarget(n);
return 2;
}
}
}
break;
case QTFR:
/* check redundant double repeat. */
/* verbose warn (?:.?)? etc... but not warn (.?)? etc... */
final QuantifierNode qnt = (QuantifierNode)tgt;
final int nestQNum = popularNum();
final int targetQNum = qnt.popularNum();
if (Config.USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR) {
if (!isByNumber() && !qnt.isByNumber() && env.syntax.warnReduntantNestedRepeat()) {
switch(REDUCE_TABLE[targetQNum][nestQNum]) {
case ASIS:
break;
case DEL:
env.reg.getWarnings().warn(new String(chars, p, end) +
" redundant nested repeat operator");
break;
default:
env.reg.getWarnings().warn(new String(chars, p, end) +
" nested repeat operator " + PopularQStr[targetQNum] +
" and " + PopularQStr[nestQNum] + " was replaced with '" +
ReduceQStr[REDUCE_TABLE[targetQNum][nestQNum].ordinal()] + "'");
}
}
} // USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
if (targetQNum >= 0) {
if (nestQNum >= 0) {
reduceNestedQuantifier(qnt);
return 0;
} else if (targetQNum == 1 || targetQNum == 2) { /* * or + */
/* (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n} */
if (!isRepeatInfinite(upper) && upper > 1 && greedy) {
upper = lower == 0 ? 1 : lower;
}
}
}
default:
break;
}
setTarget(tgt);
return 0;
}
