external/icu/UnpackedTarball_icu.mk | 3
external/icu/icu.changeset_36724.patch.1 | 37
external/icu/icu.changeset_36727.patch.1 | 52 +
external/icu/icu.changeset_36801.patch.1 | 1222 +++++++++++++++++++++++++++++++
4 files changed, 1314 insertions(+)
New commits:
commit f5b5f04068ff89ed3db9bf990120853b012558d9
Author: Eike Rathke <er...@redhat.com>
Date: Sat Apr 11 00:03:21 2015 +0200
icu: various regex fixes
Backported from
http://bugs.icu-project.org/trac/changeset/36724
http://bugs.icu-project.org/trac/changeset/36727
http://bugs.icu-project.org/trac/changeset/36801
Change-Id: Ib9a0d47466287fdc1d33fb191c97bc2c45116c80
Reviewed-on: https://gerrit.libreoffice.org/15237
Reviewed-by: Caolán McNamara <caol...@redhat.com>
Tested-by: Caolán McNamara <caol...@redhat.com>
diff --git a/external/icu/UnpackedTarball_icu.mk
b/external/icu/UnpackedTarball_icu.mk
index af9c751..e785d6f 100644
--- a/external/icu/UnpackedTarball_icu.mk
+++ b/external/icu/UnpackedTarball_icu.mk
@@ -27,6 +27,9 @@ $(eval $(call gb_UnpackedTarball_add_patches,icu,\
external/icu/icu4c-icu11131.patch.1 \
external/icu/icu4c-scriptrun.patch \
external/icu/icu4c-icu11451.patch.1 \
+ external/icu/icu.changeset_36724.patch.1 \
+ external/icu/icu.changeset_36727.patch.1 \
+ external/icu/icu.changeset_36801.patch.1 \
))
# vim: set noet sw=4 ts=4:
diff --git a/external/icu/icu.changeset_36724.patch.1
b/external/icu/icu.changeset_36724.patch.1
new file mode 100644
index 0000000..aba5a56
--- /dev/null
+++ b/external/icu/icu.changeset_36724.patch.1
@@ -0,0 +1,37 @@
+diff -ru2 icu/source/i18n/regexcmp.cpp icu/source/i18n/regexcmp.cpp
+--- icu/source/i18n/regexcmp.cpp 2013-10-04 22:48:42.000000000 +0200
++++ icu/source/i18n/regexcmp.cpp 2015-04-10 17:59:24.568227804 +0200
+@@ -2134,4 +2134,8 @@
+ int32_t minML = minMatchLength(fMatchOpenParen, patEnd);
+ int32_t maxML = maxMatchLength(fMatchOpenParen, patEnd);
++ if (URX_TYPE(maxML) != 0) {
++ error(U_REGEX_LOOK_BEHIND_LIMIT);
++ break;
++ }
+ if (maxML == INT32_MAX) {
+ error(U_REGEX_LOOK_BEHIND_LIMIT);
+@@ -2167,4 +2171,8 @@
+ int32_t minML = minMatchLength(fMatchOpenParen, patEnd);
+ int32_t maxML = maxMatchLength(fMatchOpenParen, patEnd);
++ if (URX_TYPE(maxML) != 0) {
++ error(U_REGEX_LOOK_BEHIND_LIMIT);
++ break;
++ }
+ if (maxML == INT32_MAX) {
+ error(U_REGEX_LOOK_BEHIND_LIMIT);
+diff -ru2 icu/source/test/testdata/regextst.txt
icu/source/test/testdata/regextst.txt
+--- icu/source/test/testdata/regextst.txt 2013-10-04 22:48:12.000000000
+0200
++++ icu/source/test/testdata/regextst.txt 2015-04-10 18:00:41.254717186
+0200
+@@ -1174,4 +1174,12 @@
+
+
++# Bug 11370
++# Max match length computation of look-behind expression gives result that
is too big to fit in the
++# in the 24 bit operand portion of the compiled code. Expressions should
fail to compile
++# (Look-behind match length must be bounded. This case is treated as
unbounded, an error.)
++
++"(?<!(0123456789a){10000000})x" E "no match"
++"(?<!\\ubeaf(\\ubeaf{11000}){11000})" E "no match"
++
+ # Random debugging, Temporary
+ #
diff --git a/external/icu/icu.changeset_36727.patch.1
b/external/icu/icu.changeset_36727.patch.1
new file mode 100644
index 0000000..567a532
--- /dev/null
+++ b/external/icu/icu.changeset_36727.patch.1
@@ -0,0 +1,52 @@
+diff -ru2 1.icu/source/i18n/regexcmp.cpp 2.icu/source/i18n/regexcmp.cpp
+--- 1.icu/source/i18n/regexcmp.cpp 2015-04-10 18:07:53.410434700 +0200
++++ 2.icu/source/i18n/regexcmp.cpp 2015-04-10 18:08:23.356622663 +0200
+@@ -2338,5 +2338,13 @@
+ if (fIntervalUpper == 0) {
+ // Pathological case. Attempt no matches, as if the block doesn't
exist.
++ // Discard the generated code for the block.
++ // If the block included parens, discard the info pertaining to them
as well.
+ fRXPat->fCompiledPat->setSize(topOfBlock);
++ if (fMatchOpenParen >= topOfBlock) {
++ fMatchOpenParen = -1;
++ }
++ if (fMatchCloseParen >= topOfBlock) {
++ fMatchCloseParen = -1;
++ }
+ return TRUE;
+ }
+diff -ru2 1.icu/source/i18n/regexcmp.h 2.icu/source/i18n/regexcmp.h
+--- 1.icu/source/i18n/regexcmp.h 2013-10-04 22:48:44.000000000 +0200
++++ 2.icu/source/i18n/regexcmp.h 2015-04-10 18:08:23.356622663 +0200
+@@ -183,5 +183,7 @@
+ // of the slot
reserved for a state save
+ // at the start of the
most recently processed
+- // parenthesized block.
++ // parenthesized
block. Updated when processing
++ // a close to the
location for the corresponding open.
++
+ int32_t fMatchCloseParen; // The position in the
pattern of the first
+ // location after the
most recently processed
+diff -ru2 1.icu/source/test/testdata/regextst.txt
2.icu/source/test/testdata/regextst.txt
+--- 1.icu/source/test/testdata/regextst.txt 2015-04-10 18:07:53.411434706
+0200
++++ 2.icu/source/test/testdata/regextst.txt 2015-04-10 18:09:19.386974352
+0200
+@@ -1174,4 +1174,13 @@
+
+
++# Bug 11369
++# Incorrect optimization of patterns with a zero length quantifier {0}
++
++"(.|b)(|b){0}\$(?#xxx){3}(?>\D*)" "AAAAABBBBBCCCCCDDDDEEEEE"
++"(|b)ab(c)" "<0><1></1>ab<2>c</2></0>"
++"(|b){0}a{3}(D*)" "<0>aaa<2></2></0>"
++"(|b){0,1}a{3}(D*)" "<0><1></1>aaa<2></2></0>"
++"((|b){0})a{3}(D*)" "<0><1></1>aaa<3></3></0>"
++
+ # Bug 11370
+ # Max match length computation of look-behind expression gives result that
is too big to fit in the
+@@ -1182,4 +1191,5 @@
+ "(?<!\\ubeaf(\\ubeaf{11000}){11000})" E "no match"
+
++
+ # Random debugging, Temporary
+ #
diff --git a/external/icu/icu.changeset_36801.patch.1
b/external/icu/icu.changeset_36801.patch.1
new file mode 100644
index 0000000..8f94c37
--- /dev/null
+++ b/external/icu/icu.changeset_36801.patch.1
@@ -0,0 +1,1222 @@
+diff -ur icu.org/source/common/unicode/utypes.h
icu/source/common/unicode/utypes.h
+--- icu.org/source/common/unicode/utypes.h 2015-04-10 23:48:23.137187140
+0200
++++ icu/source/common/unicode/utypes.h 2015-04-10 23:50:28.468988046 +0200
+@@ -647,6 +647,7 @@
+ U_REGEX_STACK_OVERFLOW, /**< Regular expression backtrack
stack overflow. */
+ U_REGEX_TIME_OUT, /**< Maximum allowed match time
exceeded */
+ U_REGEX_STOPPED_BY_CALLER, /**< Matching operation aborted by
user callback fn. */
++ U_REGEX_PATTERN_TOO_BIG, /**< Pattern exceeds limits on size
or complexity. @draft ICU 55 */
+ U_REGEX_ERROR_LIMIT, /**< This must always be the last
value to indicate the limit for regexp errors */
+
+ /*
+diff -ur icu.org/source/common/utypes.c icu/source/common/utypes.c
+--- icu.org/source/common/utypes.c 2015-04-10 23:48:23.125187063 +0200
++++ icu/source/common/utypes.c 2015-04-10 23:50:28.468988046 +0200
+@@ -1,7 +1,7 @@
+ /*
+ ******************************************************************************
+ *
+-* Copyright (C) 1997-2011, International Business Machines
++* Copyright (C) 1997-2014, International Business Machines
+ * Corporation and others. All Rights Reserved.
+ *
+ ******************************************************************************
+@@ -165,7 +165,8 @@
+ "U_REGEX_INVALID_RANGE",
+ "U_REGEX_STACK_OVERFLOW",
+ "U_REGEX_TIME_OUT",
+- "U_REGEX_STOPPED_BY_CALLER"
++ "U_REGEX_STOPPED_BY_CALLER",
++ "U_REGEX_PATTERN_TOO_BIG"
+ };
+
+ static const char * const
+diff -ur icu.org/source/i18n/regexcmp.cpp icu/source/i18n/regexcmp.cpp
+--- icu.org/source/i18n/regexcmp.cpp 2015-04-10 23:48:23.173187370 +0200
++++ icu/source/i18n/regexcmp.cpp 2015-04-10 23:50:28.470988059 +0200
+@@ -302,7 +302,7 @@
+ // present in the saved state: the input string position (int64_t) and
+ // the position in the compiled pattern.
+ //
+- fRXPat->fFrameSize+=RESTACKFRAME_HDRCOUNT;
++ allocateStackData(RESTACKFRAME_HDRCOUNT);
+
+ //
+ // Optimization pass 1: NOPs, back-references, and case-folding
+@@ -368,9 +368,9 @@
+ // the start of an ( grouping.
+ //4 NOP Resreved, will be replaced by a save if there
are
+ // OR | operators at the top level
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_STATE_SAVE, 2),
*fStatus);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_JMP, 3), *fStatus);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_FAIL, 0), *fStatus);
++ appendOp(URX_STATE_SAVE, 2);
++ appendOp(URX_JMP, 3);
++ appendOp(URX_FAIL, 0);
+
+ // Standard open nonCapture paren action emits the two NOPs and
+ // sets up the paren stack frame.
+@@ -393,7 +393,7 @@
+ }
+
+ // add the END operation to the compiled pattern.
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_END, 0), *fStatus);
++ appendOp(URX_END, 0);
+
+ // Terminate the pattern compilation state machine.
+ returnVal = FALSE;
+@@ -415,14 +415,13 @@
+ int32_t savePosition = fParenStack.popi();
+ int32_t op =
(int32_t)fRXPat->fCompiledPat->elementAti(savePosition);
+ U_ASSERT(URX_TYPE(op) == URX_NOP); // original contents of
reserved location
+- op = URX_BUILD(URX_STATE_SAVE, fRXPat->fCompiledPat->size()+1);
++ op = buildOp(URX_STATE_SAVE, fRXPat->fCompiledPat->size()+1);
+ fRXPat->fCompiledPat->setElementAt(op, savePosition);
+
+ // Append an JMP operation into the compiled pattern. The
operand for
+ // the JMP will eventually be the location following the ')' for
the
+ // group. This will be patched in later, when the ')' is
encountered.
+- op = URX_BUILD(URX_JMP, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_JMP, 0);
+
+ // Push the position of the newly added JMP op onto the
parentheses stack.
+ // This registers if for fixup when this block's close paren is
encountered.
+@@ -431,7 +430,7 @@
+ // Append a NOP to the compiled pattern. This is the slot
reserved
+ // for a SAVE in the event that there is yet another '|'
following
+ // this one.
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
++ appendOp(URX_NOP, 0);
+ fParenStack.push(fRXPat->fCompiledPat->size()-1, *fStatus);
+ }
+ break;
+@@ -457,12 +456,10 @@
+ // END_CAPTURE is encountered.
+ {
+ fixLiterals();
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
+- int32_t varsLoc = fRXPat->fFrameSize; // Reserve three
slots in match stack frame.
+- fRXPat->fFrameSize += 3;
+- int32_t cop = URX_BUILD(URX_START_CAPTURE, varsLoc);
+- fRXPat->fCompiledPat->addElement(cop, *fStatus);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
++ appendOp(URX_NOP, 0);
++ int32_t varsLoc = allocateStackData(3); // Reserve three
slots in match stack frame.
++ appendOp(URX_START_CAPTURE, varsLoc);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the two NOPs. Depending on what follows in the pattern,
the
+@@ -487,8 +484,8 @@
+ // is an '|' alternation within the parens.
+ {
+ fixLiterals();
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
++ appendOp(URX_NOP, 0);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the two NOPs.
+@@ -510,12 +507,10 @@
+ // is an '|' alternation within the parens.
+ {
+ fixLiterals();
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
+- int32_t varLoc = fRXPat->fDataSize; // Reserve a data
location for saving the
+- fRXPat->fDataSize += 1; // state stack ptr.
+- int32_t stoOp = URX_BUILD(URX_STO_SP, varLoc);
+- fRXPat->fCompiledPat->addElement(stoOp, *fStatus);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
++ appendOp(URX_NOP, 0);
++ int32_t varLoc = allocateData(1); // Reserve a data location
for saving the state stack ptr.
++ appendOp(URX_STO_SP, varLoc);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the two NOPs. Depending on what follows in the pattern,
the
+@@ -558,26 +553,14 @@
+ // Two data slots are reserved, for saving the stack ptr and the
input position.
+ {
+ fixLiterals();
+- int32_t dataLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize += 2;
+- int32_t op = URX_BUILD(URX_LA_START, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_STATE_SAVE, fRXPat->fCompiledPat->size()+ 2);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_JMP, fRXPat->fCompiledPat->size()+ 3);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_LA_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_BACKTRACK, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_NOP, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ int32_t dataLoc = allocateData(2);
++ appendOp(URX_LA_START, dataLoc);
++ appendOp(URX_STATE_SAVE, fRXPat->fCompiledPat->size()+ 2);
++ appendOp(URX_JMP, fRXPat->fCompiledPat->size()+ 3);
++ appendOp(URX_LA_END, dataLoc);
++ appendOp(URX_BACKTRACK, 0);
++ appendOp(URX_NOP, 0);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the NOPs.
+@@ -602,16 +585,10 @@
+ // an alternate (transparent)
region.
+ {
+ fixLiterals();
+- int32_t dataLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize += 2;
+- int32_t op = URX_BUILD(URX_LA_START, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_STATE_SAVE, 0); // dest address will be
patched later.
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+-
+- op = URX_BUILD(URX_NOP, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ int32_t dataLoc = allocateData(2);
++ appendOp(URX_LA_START, dataLoc);
++ appendOp(URX_STATE_SAVE, 0); // dest address will be patched
later.
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the StateSave and NOP.
+@@ -649,23 +626,19 @@
+ fixLiterals();
+
+ // Allocate data space
+- int32_t dataLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize += 4;
++ int32_t dataLoc = allocateData(4);
+
+ // Emit URX_LB_START
+- int32_t op = URX_BUILD(URX_LB_START, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LB_START, dataLoc);
+
+ // Emit URX_LB_CONT
+- op = URX_BUILD(URX_LB_CONT, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- fRXPat->fCompiledPat->addElement(0, *fStatus); //
MinMatchLength. To be filled later.
+- fRXPat->fCompiledPat->addElement(0, *fStatus); //
MaxMatchLength. To be filled later.
+-
+- // Emit the NOP
+- op = URX_BUILD(URX_NOP, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LB_CONT, dataLoc);
++ appendOp(URX_RESERVED_OP, 0); // MinMatchLength. To be filled
later.
++ appendOp(URX_RESERVED_OP, 0); // MaxMatchLength. To be filled
later.
++
++ // Emit the NOPs
++ appendOp(URX_NOP, 0);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the URX_LB_CONT and the NOP.
+@@ -705,24 +678,20 @@
+ fixLiterals();
+
+ // Allocate data space
+- int32_t dataLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize += 4;
++ int32_t dataLoc = allocateData(4);
+
+ // Emit URX_LB_START
+- int32_t op = URX_BUILD(URX_LB_START, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LB_START, dataLoc);
+
+ // Emit URX_LBN_CONT
+- op = URX_BUILD(URX_LBN_CONT, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- fRXPat->fCompiledPat->addElement(0, *fStatus); //
MinMatchLength. To be filled later.
+- fRXPat->fCompiledPat->addElement(0, *fStatus); //
MaxMatchLength. To be filled later.
+- fRXPat->fCompiledPat->addElement(0, *fStatus); // Continue
Loc. To be filled later.
+-
+- // Emit the NOP
+- op = URX_BUILD(URX_NOP, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LBN_CONT, dataLoc);
++ appendOp(URX_RESERVED_OP, 0); // MinMatchLength. To be filled
later.
++ appendOp(URX_RESERVED_OP, 0); // MaxMatchLength. To be filled
later.
++ appendOp(URX_RESERVED_OP, 0); // Continue Loc. To be filled
later.
++
++ // Emit the NOPs
++ appendOp(URX_NOP, 0);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the URX_LB_CONT and the NOP.
+@@ -792,12 +761,9 @@
+
+ if (URX_TYPE(repeatedOp) == URX_SETREF) {
+ // Emit optimized code for [char set]+
+- int32_t loopOpI = URX_BUILD(URX_LOOP_SR_I,
URX_VAL(repeatedOp));
+- fRXPat->fCompiledPat->addElement(loopOpI, *fStatus);
+- frameLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
+- int32_t loopOpC = URX_BUILD(URX_LOOP_C, frameLoc);
+- fRXPat->fCompiledPat->addElement(loopOpC, *fStatus);
++ appendOp(URX_LOOP_SR_I, URX_VAL(repeatedOp));
++ frameLoc = allocateStackData(1);
++ appendOp(URX_LOOP_C, frameLoc);
+ break;
+ }
+
+@@ -805,7 +771,7 @@
+ URX_TYPE(repeatedOp) == URX_DOTANY_ALL ||
+ URX_TYPE(repeatedOp) == URX_DOTANY_UNIX) {
+ // Emit Optimized code for .+ operations.
+- int32_t loopOpI = URX_BUILD(URX_LOOP_DOT_I, 0);
++ int32_t loopOpI = buildOp(URX_LOOP_DOT_I, 0);
+ if (URX_TYPE(repeatedOp) == URX_DOTANY_ALL) {
+ // URX_LOOP_DOT_I operand is a flag indicating ".
matches any" mode.
+ loopOpI |= 1;
+@@ -813,11 +779,9 @@
+ if (fModeFlags & UREGEX_UNIX_LINES) {
+ loopOpI |= 2;
+ }
+- fRXPat->fCompiledPat->addElement(loopOpI, *fStatus);
+- frameLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
+- int32_t loopOpC = URX_BUILD(URX_LOOP_C, frameLoc);
+- fRXPat->fCompiledPat->addElement(loopOpC, *fStatus);
++ appendOp(loopOpI);
++ frameLoc = allocateStackData(1);
++ appendOp(URX_LOOP_C, frameLoc);
+ break;
+ }
+
+@@ -831,18 +795,15 @@
+ // Zero length match is possible.
+ // Emit the code sequence that can handle it.
+ insertOp(topLoc);
+- frameLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
++ frameLoc = allocateStackData(1);
+
+- int32_t op = URX_BUILD(URX_STO_INP_LOC, frameLoc);
++ int32_t op = buildOp(URX_STO_INP_LOC, frameLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc);
+
+- op = URX_BUILD(URX_JMP_SAV_X, topLoc+1);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_JMP_SAV_X, topLoc+1);
+ } else {
+ // Simpler code when the repeated body must match something
non-empty
+- int32_t jmpOp = URX_BUILD(URX_JMP_SAV, topLoc);
+- fRXPat->fCompiledPat->addElement(jmpOp, *fStatus);
++ appendOp(URX_JMP_SAV, topLoc);
+ }
+ }
+ break;
+@@ -854,8 +815,7 @@
+ // 3. ...
+ {
+ int32_t topLoc = blockTopLoc(FALSE);
+- int32_t saveStateOp = URX_BUILD(URX_STATE_SAVE, topLoc);
+- fRXPat->fCompiledPat->addElement(saveStateOp, *fStatus);
++ appendOp(URX_STATE_SAVE, topLoc);
+ }
+ break;
+
+@@ -869,7 +829,7 @@
+ // Insert the state save into the compiled pattern, and we're done.
+ {
+ int32_t saveStateLoc = blockTopLoc(TRUE);
+- int32_t saveStateOp = URX_BUILD(URX_STATE_SAVE,
fRXPat->fCompiledPat->size());
++ int32_t saveStateOp = buildOp(URX_STATE_SAVE,
fRXPat->fCompiledPat->size());
+ fRXPat->fCompiledPat->setElementAt(saveStateOp, saveStateLoc);
+ }
+ break;
+@@ -888,14 +848,12 @@
+ int32_t jmp1_loc = blockTopLoc(TRUE);
+ int32_t jmp2_loc = fRXPat->fCompiledPat->size();
+
+- int32_t jmp1_op = URX_BUILD(URX_JMP, jmp2_loc+1);
++ int32_t jmp1_op = buildOp(URX_JMP, jmp2_loc+1);
+ fRXPat->fCompiledPat->setElementAt(jmp1_op, jmp1_loc);
+
+- int32_t jmp2_op = URX_BUILD(URX_JMP, jmp2_loc+2);
+- fRXPat->fCompiledPat->addElement(jmp2_op, *fStatus);
++ appendOp(URX_JMP, jmp2_loc+2);
+
+- int32_t save_op = URX_BUILD(URX_STATE_SAVE, jmp1_loc+1);
+- fRXPat->fCompiledPat->addElement(save_op, *fStatus);
++ appendOp(URX_STATE_SAVE, jmp1_loc+1);
+ }
+ break;
+
+@@ -935,12 +893,10 @@
+
+ if (URX_TYPE(repeatedOp) == URX_SETREF) {
+ // Emit optimized code for a [char set]*
+- int32_t loopOpI = URX_BUILD(URX_LOOP_SR_I,
URX_VAL(repeatedOp));
++ int32_t loopOpI = buildOp(URX_LOOP_SR_I,
URX_VAL(repeatedOp));
+ fRXPat->fCompiledPat->setElementAt(loopOpI, topLoc);
+- dataLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
+- int32_t loopOpC = URX_BUILD(URX_LOOP_C, dataLoc);
+- fRXPat->fCompiledPat->addElement(loopOpC, *fStatus);
++ dataLoc = allocateStackData(1);
++ appendOp(URX_LOOP_C, dataLoc);
+ break;
+ }
+
+@@ -948,7 +904,7 @@
+ URX_TYPE(repeatedOp) == URX_DOTANY_ALL ||
+ URX_TYPE(repeatedOp) == URX_DOTANY_UNIX) {
+ // Emit Optimized code for .* operations.
+- int32_t loopOpI = URX_BUILD(URX_LOOP_DOT_I, 0);
++ int32_t loopOpI = buildOp(URX_LOOP_DOT_I, 0);
+ if (URX_TYPE(repeatedOp) == URX_DOTANY_ALL) {
+ // URX_LOOP_DOT_I operand is a flag indicating .
matches any mode.
+ loopOpI |= 1;
+@@ -957,10 +913,8 @@
+ loopOpI |= 2;
+ }
+ fRXPat->fCompiledPat->setElementAt(loopOpI, topLoc);
+- dataLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
+- int32_t loopOpC = URX_BUILD(URX_LOOP_C, dataLoc);
+- fRXPat->fCompiledPat->addElement(loopOpC, *fStatus);
++ dataLoc = allocateStackData(1);
++ appendOp(URX_LOOP_C, dataLoc);
+ break;
+ }
+ }
+@@ -969,30 +923,29 @@
+ // The optimizations did not apply.
+
+ int32_t saveStateLoc = blockTopLoc(TRUE);
+- int32_t jmpOp = URX_BUILD(URX_JMP_SAV, saveStateLoc+1);
++ int32_t jmpOp = buildOp(URX_JMP_SAV, saveStateLoc+1);
+
+ // Check for minimum match length of zero, which requires
+ // extra loop-breaking code.
+ if (minMatchLength(saveStateLoc, fRXPat->fCompiledPat->size()-1)
== 0) {
+ insertOp(saveStateLoc);
+- dataLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
++ dataLoc = allocateStackData(1);
+
+- int32_t op = URX_BUILD(URX_STO_INP_LOC, dataLoc);
++ int32_t op = buildOp(URX_STO_INP_LOC, dataLoc);
+ fRXPat->fCompiledPat->setElementAt(op, saveStateLoc+1);
+- jmpOp = URX_BUILD(URX_JMP_SAV_X, saveStateLoc+2);
++ jmpOp = buildOp(URX_JMP_SAV_X, saveStateLoc+2);
+ }
+
+ // Locate the position in the compiled pattern where the match
will continue
+ // after completing the *. (4 or 5 in the comment above)
+ int32_t continueLoc = fRXPat->fCompiledPat->size()+1;
+
+- // Put together the save state op store it into the compiled code.
+- int32_t saveStateOp = URX_BUILD(URX_STATE_SAVE, continueLoc);
++ // Put together the save state op and store it into the compiled
code.
++ int32_t saveStateOp = buildOp(URX_STATE_SAVE, continueLoc);
+ fRXPat->fCompiledPat->setElementAt(saveStateOp, saveStateLoc);
+
+ // Append the URX_JMP_SAV or URX_JMPX operation to the compiled
pattern.
+- fRXPat->fCompiledPat->addElement(jmpOp, *fStatus);
++ appendOp(jmpOp);
+ }
+ break;
+
+@@ -1006,10 +959,9 @@
+ {
+ int32_t jmpLoc = blockTopLoc(TRUE); // loc
1.
+ int32_t saveLoc = fRXPat->fCompiledPat->size(); // loc
3.
+- int32_t jmpOp = URX_BUILD(URX_JMP, saveLoc);
+- int32_t stateSaveOp = URX_BUILD(URX_STATE_SAVE, jmpLoc+1);
++ int32_t jmpOp = buildOp(URX_JMP, saveLoc);
+ fRXPat->fCompiledPat->setElementAt(jmpOp, jmpLoc);
+- fRXPat->fCompiledPat->addElement(stateSaveOp, *fStatus);
++ appendOp(URX_STATE_SAVE, jmpLoc+1);
+ }
+ break;
+
+@@ -1078,9 +1030,9 @@
+
+ // First the STO_SP before the start of the loop
+ insertOp(topLoc);
+- int32_t varLoc = fRXPat->fDataSize; // Reserve a data
location for saving the
+- fRXPat->fDataSize += 1; // state stack ptr.
+- int32_t op = URX_BUILD(URX_STO_SP, varLoc);
++
++ int32_t varLoc = allocateData(1); // Reserve a data location
for saving the
++ int32_t op = buildOp(URX_STO_SP, varLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc);
+
+ int32_t loopOp = (int32_t)fRXPat->fCompiledPat->popi();
+@@ -1089,8 +1041,7 @@
+ fRXPat->fCompiledPat->push(loopOp, *fStatus);
+
+ // Then the LD_SP after the end of the loop
+- op = URX_BUILD(URX_LD_SP, varLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LD_SP, varLoc);
+ }
+
+ break;
+@@ -1126,55 +1077,49 @@
+ // scanned a ".", match any single character.
+ {
+ fixLiterals(FALSE);
+- int32_t op;
+ if (fModeFlags & UREGEX_DOTALL) {
+- op = URX_BUILD(URX_DOTANY_ALL, 0);
++ appendOp(URX_DOTANY_ALL, 0);
+ } else if (fModeFlags & UREGEX_UNIX_LINES) {
+- op = URX_BUILD(URX_DOTANY_UNIX, 0);
++ appendOp(URX_DOTANY_UNIX, 0);
+ } else {
+- op = URX_BUILD(URX_DOTANY, 0);
++ appendOp(URX_DOTANY, 0);
+ }
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+ }
+ break;
+
+ case doCaret:
+ {
+ fixLiterals(FALSE);
+- int32_t op = 0;
+ if ( (fModeFlags & UREGEX_MULTILINE) == 0 && (fModeFlags &
UREGEX_UNIX_LINES) == 0) {
+- op = URX_CARET;
++ appendOp(URX_CARET, 0);
+ } else if ((fModeFlags & UREGEX_MULTILINE) != 0 && (fModeFlags &
UREGEX_UNIX_LINES) == 0) {
+- op = URX_CARET_M;
++ appendOp(URX_CARET_M, 0);
+ } else if ((fModeFlags & UREGEX_MULTILINE) == 0 && (fModeFlags &
UREGEX_UNIX_LINES) != 0) {
+- op = URX_CARET; // Only testing true start of input.
++ appendOp(URX_CARET, 0); // Only testing true start of input.
+ } else if ((fModeFlags & UREGEX_MULTILINE) != 0 && (fModeFlags &
UREGEX_UNIX_LINES) != 0) {
+- op = URX_CARET_M_UNIX;
++ appendOp(URX_CARET_M_UNIX, 0);
+ }
+- fRXPat->fCompiledPat->addElement(URX_BUILD(op, 0), *fStatus);
+ }
+ break;
+
+ case doDollar:
+ {
+ fixLiterals(FALSE);
+- int32_t op = 0;
+ if ( (fModeFlags & UREGEX_MULTILINE) == 0 && (fModeFlags &
UREGEX_UNIX_LINES) == 0) {
+- op = URX_DOLLAR;
++ appendOp(URX_DOLLAR, 0);
+ } else if ((fModeFlags & UREGEX_MULTILINE) != 0 && (fModeFlags &
UREGEX_UNIX_LINES) == 0) {
+- op = URX_DOLLAR_M;
++ appendOp(URX_DOLLAR_M, 0);
+ } else if ((fModeFlags & UREGEX_MULTILINE) == 0 && (fModeFlags &
UREGEX_UNIX_LINES) != 0) {
+- op = URX_DOLLAR_D;
++ appendOp(URX_DOLLAR_D, 0);
+ } else if ((fModeFlags & UREGEX_MULTILINE) != 0 && (fModeFlags &
UREGEX_UNIX_LINES) != 0) {
+- op = URX_DOLLAR_MD;
++ appendOp(URX_DOLLAR_MD, 0);
+ }
+- fRXPat->fCompiledPat->addElement(URX_BUILD(op, 0), *fStatus);
+ }
+ break;
+
+ case doBackslashA:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_CARET, 0), *fStatus);
++ appendOp(URX_CARET, 0);
+ break;
+
+ case doBackslashB:
+@@ -1186,7 +1131,7 @@
+ #endif
+ fixLiterals(FALSE);
+ int32_t op = (fModeFlags & UREGEX_UWORD)? URX_BACKSLASH_BU :
URX_BACKSLASH_B;
+- fRXPat->fCompiledPat->addElement(URX_BUILD(op, 1), *fStatus);
++ appendOp(op, 1);
+ }
+ break;
+
+@@ -1199,63 +1144,59 @@
+ #endif
+ fixLiterals(FALSE);
+ int32_t op = (fModeFlags & UREGEX_UWORD)? URX_BACKSLASH_BU :
URX_BACKSLASH_B;
+- fRXPat->fCompiledPat->addElement(URX_BUILD(op, 0), *fStatus);
++ appendOp(op, 0);
+ }
+ break;
+
+ case doBackslashD:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_BACKSLASH_D, 1),
*fStatus);
++ appendOp(URX_BACKSLASH_D, 1);
+ break;
+
+ case doBackslashd:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_BACKSLASH_D, 0),
*fStatus);
++ appendOp(URX_BACKSLASH_D, 0);
+ break;
+
+ case doBackslashG:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_BACKSLASH_G, 0),
*fStatus);
++ appendOp(URX_BACKSLASH_G, 0);
+ break;
+
+ case doBackslashS:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(
+- URX_BUILD(URX_STAT_SETREF_N, URX_ISSPACE_SET), *fStatus);
++ appendOp(URX_STAT_SETREF_N, URX_ISSPACE_SET);
+ break;
+
+ case doBackslashs:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(
+- URX_BUILD(URX_STATIC_SETREF, URX_ISSPACE_SET), *fStatus);
++ appendOp(URX_STATIC_SETREF, URX_ISSPACE_SET);
+ break;
+
+ case doBackslashW:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(
+- URX_BUILD(URX_STAT_SETREF_N, URX_ISWORD_SET), *fStatus);
++ appendOp(URX_STAT_SETREF_N, URX_ISWORD_SET);
+ break;
+
+ case doBackslashw:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(
+- URX_BUILD(URX_STATIC_SETREF, URX_ISWORD_SET), *fStatus);
++ appendOp(URX_STATIC_SETREF, URX_ISWORD_SET);
+ break;
+
+ case doBackslashX:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_BACKSLASH_X, 0),
*fStatus);
++ appendOp(URX_BACKSLASH_X, 0);
+ break;
+
+
+ case doBackslashZ:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_DOLLAR, 0), *fStatus);
++ appendOp(URX_DOLLAR, 0);
+ break;
+
+ case doBackslashz:
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_BACKSLASH_Z, 0),
*fStatus);
++ appendOp(URX_BACKSLASH_Z, 0);
+ break;
+
+ case doEscapeError:
+@@ -1315,13 +1256,11 @@
+ U_ASSERT(groupNum > 0); // Shouldn't happen. '\0' begins an
octal escape sequence,
+ // and shouldn't enter this code path
at all.
+ fixLiterals(FALSE);
+- int32_t op;
+ if (fModeFlags & UREGEX_CASE_INSENSITIVE) {
+- op = URX_BUILD(URX_BACKREF_I, groupNum);
++ appendOp(URX_BACKREF_I, groupNum);
+ } else {
+- op = URX_BUILD(URX_BACKREF, groupNum);
++ appendOp(URX_BACKREF, groupNum);
+ }
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+ }
+ break;
+
+@@ -1342,22 +1281,18 @@
+ {
+ // Emit the STO_SP
+ int32_t topLoc = blockTopLoc(TRUE);
+- int32_t stoLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize++; // Reserve the data location for
storing save stack ptr.
+- int32_t op = URX_BUILD(URX_STO_SP, stoLoc);
++ int32_t stoLoc = allocateData(1); // Reserve the data location
for storing save stack ptr.
++ int32_t op = buildOp(URX_STO_SP, stoLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc);
+
+ // Emit the STATE_SAVE
+- op = URX_BUILD(URX_STATE_SAVE, fRXPat->fCompiledPat->size()+2);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_STATE_SAVE, fRXPat->fCompiledPat->size()+2);
+
+ // Emit the JMP
+- op = URX_BUILD(URX_JMP, topLoc+1);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_JMP, topLoc+1);
+
+ // Emit the LD_SP
+- op = URX_BUILD(URX_LD_SP, stoLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LD_SP, stoLoc);
+ }
+ break;
+
+@@ -1377,23 +1312,20 @@
+ insertOp(topLoc);
+
+ // emit STO_SP loc
+- int32_t stoLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize++; // Reserve the data location for
storing save stack ptr.
+- int32_t op = URX_BUILD(URX_STO_SP, stoLoc);
++ int32_t stoLoc = allocateData(1); // Reserve the data
location for storing save stack ptr.
++ int32_t op = buildOp(URX_STO_SP, stoLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc);
+
+ // Emit the SAVE_STATE 5
+ int32_t L7 = fRXPat->fCompiledPat->size()+1;
+- op = URX_BUILD(URX_STATE_SAVE, L7);
++ op = buildOp(URX_STATE_SAVE, L7);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc+1);
+
+ // Append the JMP operation.
+- op = URX_BUILD(URX_JMP, topLoc+1);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_JMP, topLoc+1);
+
+ // Emit the LD_SP loc
+- op = URX_BUILD(URX_LD_SP, stoLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LD_SP, stoLoc);
+ }
+ break;
+
+@@ -1412,19 +1344,17 @@
+ insertOp(topLoc);
+
+ // Emit the STO_SP
+- int32_t stoLoc = fRXPat->fDataSize;
+- fRXPat->fDataSize++; // Reserve the data location for
storing save stack ptr.
+- int32_t op = URX_BUILD(URX_STO_SP, stoLoc);
++ int32_t stoLoc = allocateData(1); // Reserve the data
location for storing save stack ptr.
++ int32_t op = buildOp(URX_STO_SP, stoLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc);
+
+ // Emit the SAVE_STATE
+ int32_t continueLoc = fRXPat->fCompiledPat->size()+1;
+- op = URX_BUILD(URX_STATE_SAVE, continueLoc);
++ op = buildOp(URX_STATE_SAVE, continueLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topLoc+1);
+
+ // Emit the LD_SP
+- op = URX_BUILD(URX_LD_SP, stoLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LD_SP, stoLoc);
+ }
+ break;
+
+@@ -1481,8 +1411,8 @@
+ // is an '|' alternation within the parens.
+ {
+ fixLiterals(FALSE);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_NOP, 0), *fStatus);
++ appendOp(URX_NOP, 0);
++ appendOp(URX_NOP, 0);
+
+ // On the Parentheses stack, start a new frame and add the
postions
+ // of the two NOPs (a normal non-capturing () frame, except for
the
+@@ -1819,7 +1749,6 @@
+ //
+
//------------------------------------------------------------------------------
+ void RegexCompile::fixLiterals(UBool split) {
+- int32_t op = 0; // An op from/for the compiled
pattern.
+
+ // If no literal characters have been scanned but not yet had code
generated
+ // for them, nothing needs to be done.
+@@ -1858,23 +1787,23 @@
+ // Single character, emit a URX_ONECHAR op to match it.
+ if ((fModeFlags & UREGEX_CASE_INSENSITIVE) &&
+ u_hasBinaryProperty(lastCodePoint, UCHAR_CASE_SENSITIVE)) {
+- op = URX_BUILD(URX_ONECHAR_I, lastCodePoint);
++ appendOp(URX_ONECHAR_I, lastCodePoint);
+ } else {
+- op = URX_BUILD(URX_ONECHAR, lastCodePoint);
++ appendOp(URX_ONECHAR, lastCodePoint);
+ }
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+ } else {
+ // Two or more chars, emit a URX_STRING to match them.
++ if (fLiteralChars.length() > 0x00ffffff ||
fRXPat->fLiteralText.length() > 0x00ffffff) {
++ error(U_REGEX_PATTERN_TOO_BIG);
++ }
+ if (fModeFlags & UREGEX_CASE_INSENSITIVE) {
+- op = URX_BUILD(URX_STRING_I, fRXPat->fLiteralText.length());
++ appendOp(URX_STRING_I, fRXPat->fLiteralText.length());
+ } else {
+ // TODO here: add optimization to split case sensitive strings
of length two
+ // into two single char ops, for efficiency.
+- op = URX_BUILD(URX_STRING, fRXPat->fLiteralText.length());
++ appendOp(URX_STRING, fRXPat->fLiteralText.length());
+ }
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- op = URX_BUILD(URX_STRING_LEN, fLiteralChars.length());
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_STRING_LEN, fLiteralChars.length());
+
+ // Add this string into the accumulated strings of the compiled
pattern.
+ fRXPat->fLiteralText.append(fLiteralChars);
+@@ -1884,8 +1813,58 @@
+ }
+
+
++int32_t RegexCompile::buildOp(int32_t type, int32_t val) {
++ if (U_FAILURE(*fStatus)) {
++ return 0;
++ }
++ if (type < 0 || type > 255) {
++ U_ASSERT(FALSE);
++ error(U_REGEX_INTERNAL_ERROR);
++ type = URX_RESERVED_OP;
++ }
++ if (val > 0x00ffffff) {
++ U_ASSERT(FALSE);
++ error(U_REGEX_INTERNAL_ERROR);
++ val = 0;
++ }
++ if (val < 0) {
++ if (!(type == URX_RESERVED_OP_N || type == URX_RESERVED_OP)) {
++ U_ASSERT(FALSE);
++ error(U_REGEX_INTERNAL_ERROR);
++ return -1;
++ }
++ if (URX_TYPE(val) != 0xff) {
++ U_ASSERT(FALSE);
++ error(U_REGEX_INTERNAL_ERROR);
++ return -1;
++ }
++ type = URX_RESERVED_OP_N;
++ }
++ return (type << 24) | val;
++}
++
+
++//------------------------------------------------------------------------------
++//
++// appendOp() Append a new instruction onto the compiled pattern
++// Includes error checking, limiting the size of the
++// pattern to lengths that can be represented in the
++// 24 bit operand field of an instruction.
++//
++//------------------------------------------------------------------------------
++void RegexCompile::appendOp(int32_t op) {
++ if (U_FAILURE(*fStatus)) {
++ return;
++ }
++ fRXPat->fCompiledPat->addElement(op, *fStatus);
++ if ((fRXPat->fCompiledPat->size() > 0x00fffff0) && U_SUCCESS(*fStatus)) {
++ error(U_REGEX_PATTERN_TOO_BIG);
++ }
++}
+
++void RegexCompile::appendOp(int32_t type, int32_t val) {
++ appendOp(buildOp(type, val));
++}
+
+
+
//------------------------------------------------------------------------------
+@@ -1901,7 +1880,7 @@
+ UVector64 *code = fRXPat->fCompiledPat;
+ U_ASSERT(where>0 && where < code->size());
+
+- int32_t nop = URX_BUILD(URX_NOP, 0);
++ int32_t nop = buildOp(URX_NOP, 0);
+ code->insertElementAt(nop, where, *fStatus);
+
+ // Walk through the pattern, looking for any ops with targets that
+@@ -1922,7 +1901,7 @@
+ // Target location for this opcode is after the insertion point
and
+ // needs to be incremented to adjust for the insertion.
+ opValue++;
+- op = URX_BUILD(opType, opValue);
++ op = buildOp(opType, opValue);
+ code->setElementAt(op, loc);
+ }
+ }
+@@ -1947,6 +1926,58 @@
+ }
+
+
++//------------------------------------------------------------------------------
++//
++// allocateData() Allocate storage in the matcher's static data area.
++// Return the index for the newly allocated data.
++// The storage won't actually exist until we are
running a match
++// operation, but the storage indexes are inserted
into various
++// opcodes while compiling the pattern.
++//
++//------------------------------------------------------------------------------
++int32_t RegexCompile::allocateData(int32_t size) {
++ if (U_FAILURE(*fStatus)) {
++ return 0;
++ }
++ if (size <= 0 || size > 0x100 || fRXPat->fDataSize < 0) {
++ error(U_REGEX_INTERNAL_ERROR);
++ return 0;
++ }
++ int32_t dataIndex = fRXPat->fDataSize;
++ fRXPat->fDataSize += size;
++ if (fRXPat->fDataSize >= 0x00fffff0) {
++ error(U_REGEX_INTERNAL_ERROR);
++ }
++ return dataIndex;
++}
++
++
++//------------------------------------------------------------------------------
++//
++// allocateStackData() Allocate space in the back-tracking stack frame.
++// Return the index for the newly allocated data.
++// The frame indexes are inserted into various
++// opcodes while compiling the pattern, meaning that
frame
++// size must be restricted to the size that will fit
++// as an operand (24 bits).
++//
++//------------------------------------------------------------------------------
++int32_t RegexCompile::allocateStackData(int32_t size) {
++ if (U_FAILURE(*fStatus)) {
++ return 0;
++ }
++ if (size <= 0 || size > 0x100 || fRXPat->fFrameSize < 0) {
++ error(U_REGEX_INTERNAL_ERROR);
++ return 0;
++ }
++ int32_t dataIndex = fRXPat->fFrameSize;
++ fRXPat->fFrameSize += size;
++ if (fRXPat->fFrameSize >= 0x00fffff0) {
++ error(U_REGEX_PATTERN_TOO_BIG);
++ }
++ return dataIndex;
++}
++
+
+
//------------------------------------------------------------------------------
+ //
+@@ -1989,7 +2020,7 @@
+ theLoc--;
+ }
+ if (reserveLoc) {
+- int32_t nop = URX_BUILD(URX_NOP, 0);
++ int32_t nop = buildOp(URX_NOP, 0);
+ fRXPat->fCompiledPat->insertElementAt(nop, theLoc, *fStatus);
+ }
+ }
+@@ -2064,8 +2095,7 @@
+ U_ASSERT(URX_TYPE(captureOp) == URX_START_CAPTURE);
+
+ int32_t frameVarLocation = URX_VAL(captureOp);
+- int32_t endCaptureOp = URX_BUILD(URX_END_CAPTURE,
frameVarLocation);
+- fRXPat->fCompiledPat->addElement(endCaptureOp, *fStatus);
++ appendOp(URX_END_CAPTURE, frameVarLocation);
+ }
+ break;
+ case atomic:
+@@ -2076,8 +2106,7 @@
+ int32_t stoOp =
(int32_t)fRXPat->fCompiledPat->elementAti(fMatchOpenParen+1);
+ U_ASSERT(URX_TYPE(stoOp) == URX_STO_SP);
+ int32_t stoLoc = URX_VAL(stoOp);
+- int32_t ldOp = URX_BUILD(URX_LD_SP, stoLoc);
+- fRXPat->fCompiledPat->addElement(ldOp, *fStatus);
++ appendOp(URX_LD_SP, stoLoc);
+ }
+ break;
+
+@@ -2086,8 +2115,7 @@
+ int32_t startOp =
(int32_t)fRXPat->fCompiledPat->elementAti(fMatchOpenParen-5);
+ U_ASSERT(URX_TYPE(startOp) == URX_LA_START);
+ int32_t dataLoc = URX_VAL(startOp);
+- int32_t op = URX_BUILD(URX_LA_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LA_END, dataLoc);
+ }
+ break;
+
+@@ -2097,19 +2125,16 @@
+ int32_t startOp =
(int32_t)fRXPat->fCompiledPat->elementAti(fMatchOpenParen-1);
+ U_ASSERT(URX_TYPE(startOp) == URX_LA_START);
+ int32_t dataLoc = URX_VAL(startOp);
+- int32_t op = URX_BUILD(URX_LA_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- op = URX_BUILD(URX_BACKTRACK, 0);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- op = URX_BUILD(URX_LA_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LA_END, dataLoc);
++ appendOp(URX_BACKTRACK, 0);
++ appendOp(URX_LA_END, dataLoc);
+
+ // Patch the URX_SAVE near the top of the block.
+ // The destination of the SAVE is the final LA_END that was just
added.
+ int32_t saveOp =
(int32_t)fRXPat->fCompiledPat->elementAti(fMatchOpenParen);
+ U_ASSERT(URX_TYPE(saveOp) == URX_STATE_SAVE);
+ int32_t dest = fRXPat->fCompiledPat->size()-1;
+- saveOp = URX_BUILD(URX_STATE_SAVE, dest);
++ saveOp = buildOp(URX_STATE_SAVE, dest);
+ fRXPat->fCompiledPat->setElementAt(saveOp, fMatchOpenParen);
+ }
+ break;
+@@ -2122,10 +2147,8 @@
+ int32_t startOp =
(int32_t)fRXPat->fCompiledPat->elementAti(fMatchOpenParen-4);
+ U_ASSERT(URX_TYPE(startOp) == URX_LB_START);
+ int32_t dataLoc = URX_VAL(startOp);
+- int32_t op = URX_BUILD(URX_LB_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
+- op = URX_BUILD(URX_LA_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LB_END, dataLoc);
++ appendOp(URX_LA_END, dataLoc);
+
+ // Determine the min and max bounds for the length of the
+ // string that the pattern can match.
+@@ -2161,8 +2184,7 @@
+ int32_t startOp =
(int32_t)fRXPat->fCompiledPat->elementAti(fMatchOpenParen-5);
+ U_ASSERT(URX_TYPE(startOp) == URX_LB_START);
+ int32_t dataLoc = URX_VAL(startOp);
+- int32_t op = URX_BUILD(URX_LBN_END, dataLoc);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(URX_LBN_END, dataLoc);
+
+ // Determine the min and max bounds for the length of the
+ // string that the pattern can match.
+@@ -2187,7 +2209,7 @@
+
+ // Insert the pattern location to continue at after a successful
match
+ // as the last operand of the URX_LBN_CONT
+- op = URX_BUILD(URX_RELOC_OPRND, fRXPat->fCompiledPat->size());
++ int32_t op = buildOp(URX_RELOC_OPRND,
fRXPat->fCompiledPat->size());
+ fRXPat->fCompiledPat->setElementAt(op, fMatchOpenParen-1);
+ }
+ break;
+@@ -2228,7 +2250,7 @@
+ case 0:
+ {
+ // Set of no elements. Always fails to match.
+- fRXPat->fCompiledPat->addElement(URX_BUILD(URX_BACKTRACK, 0),
*fStatus);
++ appendOp(URX_BACKTRACK, 0);
+ delete theSet;
+ }
+ break;
+@@ -2249,8 +2271,7 @@
+ // Put it into the compiled pattern as a set.
+ int32_t setNumber = fRXPat->fSets->size();
+ fRXPat->fSets->addElement(theSet, *fStatus);
+- int32_t setOp = URX_BUILD(URX_SETREF, setNumber);
+- fRXPat->fCompiledPat->addElement(setOp, *fStatus);
++ appendOp(URX_SETREF, setNumber);
+ }
+ }
+ }
+@@ -2289,13 +2310,10 @@
+ // counterLoc --> Loop counter
+ // +1 --> Input index (for breaking non-progressing
loops)
+ // (Only present if unbounded upper limit on
loop)
+- int32_t counterLoc = fRXPat->fFrameSize;
+- fRXPat->fFrameSize++;
+- if (fIntervalUpper < 0) {
+- fRXPat->fFrameSize++;
+- }
++ int32_t dataSize = fIntervalUpper < 0 ? 2 : 1;
++ int32_t counterLoc = allocateStackData(dataSize);
+
+- int32_t op = URX_BUILD(InitOp, counterLoc);
++ int32_t op = buildOp(InitOp, counterLoc);
+ fRXPat->fCompiledPat->setElementAt(op, topOfBlock);
+
+ // The second operand of CTR_INIT is the location following the end of
the loop.
+@@ -2303,7 +2321,7 @@
+ // compilation of something later on causes the code to grow and the
target
+ // position to move.
+ int32_t loopEnd = fRXPat->fCompiledPat->size();
+- op = URX_BUILD(URX_RELOC_OPRND, loopEnd);
++ op = buildOp(URX_RELOC_OPRND, loopEnd);
+ fRXPat->fCompiledPat->setElementAt(op, topOfBlock+1);
+
+ // Followed by the min and max counts.
+@@ -2312,8 +2330,7 @@
+
+ // Apend the CTR_LOOP op. The operand is the location of the CTR_INIT op.
+ // Goes at end of the block being looped over, so just append to the
code so far.
+- op = URX_BUILD(LoopOp, topOfBlock);
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(LoopOp, topOfBlock);
+
+ if ((fIntervalLow & 0xff000000) != 0 ||
+ (fIntervalUpper > 0 && (fIntervalUpper & 0xff000000) != 0)) {
+@@ -2366,7 +2383,7 @@
+ //
+ int32_t endOfSequenceLoc = fRXPat->fCompiledPat->size()-1
+ + fIntervalUpper +
(fIntervalUpper-fIntervalLow);
+- int32_t saveOp = URX_BUILD(URX_STATE_SAVE, endOfSequenceLoc);
++ int32_t saveOp = buildOp(URX_STATE_SAVE, endOfSequenceLoc);
+ if (fIntervalLow == 0) {
+ insertOp(topOfBlock);
+ fRXPat->fCompiledPat->setElementAt(saveOp, topOfBlock);
+@@ -2379,13 +2396,10 @@
+ // it was put there when it was originally encountered.
+ int32_t i;
+ for (i=1; i<fIntervalUpper; i++ ) {
+- if (i == fIntervalLow) {
+- fRXPat->fCompiledPat->addElement(saveOp, *fStatus);
+- }
+- if (i > fIntervalLow) {
+- fRXPat->fCompiledPat->addElement(saveOp, *fStatus);
++ if (i >= fIntervalLow) {
++ appendOp(saveOp);
+ }
+- fRXPat->fCompiledPat->addElement(op, *fStatus);
++ appendOp(op);
+ }
+ return TRUE;
+ }
+@@ -3516,7 +3530,7 @@
+ int32_t operandAddress = URX_VAL(op);
+ U_ASSERT(operandAddress>=0 && operandAddress<deltas.size());
+ int32_t fixedOperandAddress = operandAddress -
deltas.elementAti(operandAddress);
+- op = URX_BUILD(opType, fixedOperandAddress);
++ op = buildOp(opType, fixedOperandAddress);
+ fRXPat->fCompiledPat->setElementAt(op, dst);
+ dst++;
+ break;
+@@ -3531,7 +3545,7 @@
+ break;
+ }
+ where = fRXPat->fGroupMap->elementAti(where-1);
+- op = URX_BUILD(opType, where);
++ op = buildOp(opType, where);
+ fRXPat->fCompiledPat->setElementAt(op, dst);
+ dst++;
+
+@@ -3883,7 +3897,7 @@
+
//------------------------------------------------------------------------------
+ //
+ // scanNamedChar
+- // Get a UChar32 from a \N{UNICODE CHARACTER NAME} in the pattern.
++// Get a UChar32 from a \N{UNICODE CHARACTER NAME} in the pattern.
+ //
+ // The scan position will be at the 'N'. On return
+ // the scan position should be just after the '}'
+diff -ur icu.org/source/i18n/regexcmp.h icu/source/i18n/regexcmp.h
+--- icu.org/source/i18n/regexcmp.h 2015-04-10 23:48:23.154187249 +0200
++++ icu/source/i18n/regexcmp.h 2015-04-10 23:50:28.471988065 +0200
+@@ -103,6 +103,13 @@
+ void fixLiterals(UBool split=FALSE); // Generate code for
pending literal characters.
+ void insertOp(int32_t where); // Open up a slot for a
new op in the
+ // generated code at
the specified location.
++ void appendOp(int32_t op); // Append a new op to
the compiled pattern.
++ void appendOp(int32_t type, int32_t val); // Build & append a new
op to the compiled pattern.
++ int32_t buildOp(int32_t type, int32_t val); // Construct a new pcode
instruction.
++ int32_t allocateData(int32_t size); // Allocate space in the
matcher data area.
++ // Return index of the
newly allocated data.
++ int32_t allocateStackData(int32_t size); // Allocate space in the
match back-track stack frame.
++ // Return offset index
in the frame.
+ int32_t minMatchLength(int32_t start,
+ int32_t end);
+ int32_t maxMatchLength(int32_t start,
+diff -ur icu.org/source/i18n/regeximp.h icu/source/i18n/regeximp.h
+--- icu.org/source/i18n/regeximp.h 2015-04-10 23:48:23.156187261 +0200
++++ icu/source/i18n/regeximp.h 2015-04-10 23:50:28.471988065 +0200
+@@ -1,5 +1,5 @@
+ //
+-// Copyright (C) 2002-2013 International Business Machines Corporation
++// Copyright (C) 2002-2014 International Business Machines Corporation
+ // and others. All rights reserved.
+ //
+ // file: regeximp.h
+@@ -241,7 +241,6 @@
+ //
+ // Convenience macros for assembling and disassembling a compiled operation.
+ //
+-#define URX_BUILD(type, val) (int32_t)((type << 24) | (val))
+ #define URX_TYPE(x) ((uint32_t)(x) >> 24)
+ #define URX_VAL(x) ((x) & 0xffffff)
+
+diff -ur icu.org/source/test/intltest/regextst.cpp
icu/source/test/intltest/regextst.cpp
+--- icu.org/source/test/intltest/regextst.cpp 2015-04-10 23:48:23.111186974
+0200
++++ icu/source/test/intltest/regextst.cpp 2015-04-10 23:51:24.497346079
+0200
+@@ -135,6 +135,9 @@
+ case 22: name = "Bug10459";
+ if (exec) Bug10459();
+ break;
++ case 23: name = "TestBug11371";
++ if (exec) TestBug11371();
++ break;
+
+ default: name = "";
+ break; //needed to end loop
+@@ -5267,5 +5270,49 @@
+ utext_close(utext_txt);
+ }
+
++void RegexTest::TestBug11371() {
++ if (quick) {
++ logln("Skipping test. Runs in exhuastive mode only.");
++ return;
++ }
++ UErrorCode status = U_ZERO_ERROR;
++ UnicodeString patternString;
++
++ for (int i=0; i<8000000; i++) {
++ patternString.append(UnicodeString("()"));
++ }
++ LocalPointer<RegexPattern>
compiledPat(RegexPattern::compile(patternString, 0, status));
++ if (status != U_REGEX_PATTERN_TOO_BIG) {
++ errln("File %s, line %d expected status=U_REGEX_PATTERN_TOO_BIG; got
%s.",
++ __FILE__, __LINE__, u_errorName(status));
++ }
++
++ status = U_ZERO_ERROR;
++ patternString = "(";
++ for (int i=0; i<20000000; i++) {
++ patternString.append(UnicodeString("A++"));
++ }
++ patternString.append(UnicodeString("){0}B++"));
++ LocalPointer<RegexPattern>
compiledPat2(RegexPattern::compile(patternString, 0, status));
++ if (status != U_REGEX_PATTERN_TOO_BIG) {
++ errln("File %s, line %d expected status=U_REGEX_PATTERN_TOO_BIG; got
%s.",
++ __FILE__, __LINE__, u_errorName(status));
++ }
++
++ // Pattern with too much string data, such that string indexes overflow
operand data field size
++ // in compiled instruction.
++ status = U_ZERO_ERROR;
++ patternString = "";
++ while (patternString.length() < 0x00ffffff) {
++ patternString.append(UnicodeString("stuff and things dont you know,
these are a few of my favorite strings\n"));
++ }
++ patternString.append(UnicodeString("X? trailing string"));
++ LocalPointer<RegexPattern>
compiledPat3(RegexPattern::compile(patternString, 0, status));
++ if (status != U_REGEX_PATTERN_TOO_BIG) {
++ errln("File %s, line %d expected status=U_REGEX_PATTERN_TOO_BIG; got
%s.",
++ __FILE__, __LINE__, u_errorName(status));
++ }
++}
++
+ #endif /* !UCONFIG_NO_REGULAR_EXPRESSIONS */
+
+diff -ur icu.org/source/test/intltest/regextst.h
icu/source/test/intltest/regextst.h
+--- icu.org/source/test/intltest/regextst.h 2015-04-10 23:48:23.107186948
+0200
++++ icu/source/test/intltest/regextst.h 2015-04-10 23:51:51.749520224
+0200
+@@ -48,6 +48,7 @@
+ virtual void Bug9283();
+ virtual void CheckInvBufSize();
+ virtual void Bug10459();
++ virtual void TestBug11371();
+
+ // The following functions are internal to the regexp tests.
+ virtual void assertUText(const char *expected, UText *actual, const char
*file, int line);
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