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libxml2/0006-Avoid-unnecessary-backups-of-the-context-node.patch
Igor Gnatenko 06a8f6badc
backport more patches from upstream 
Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>
2018-08-02 20:54:55 +02:00

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From 029d0e960c02d83111acb5ab057ee055821943f7 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Thu, 25 May 2017 01:28:27 +0200
Subject: [PATCH 06/13] Avoid unnecessary backups of the context node
---
xpath.c | 42 ------------------------------------------
1 file changed, 42 deletions(-)
diff --git a/xpath.c b/xpath.c
index 1e98ddc2..b1bd7e07 100644
--- a/xpath.c
+++ b/xpath.c
@@ -12829,8 +12829,6 @@ xmlXPathCompOpEvalLast(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op,
int total = 0, cur;
xmlXPathCompExprPtr comp;
xmlXPathObjectPtr arg1, arg2;
- xmlNodePtr bak;
- xmlDocPtr bakd;
int pp;
int cs;
@@ -12840,8 +12838,6 @@ xmlXPathCompOpEvalLast(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op,
case XPATH_OP_END:
return (0);
case XPATH_OP_UNION:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total =
@@ -12861,8 +12857,6 @@ xmlXPathCompOpEvalLast(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op,
nodesetval->nodeNr -
1];
}
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
cur =
@@ -13244,8 +13238,6 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
int equal, ret;
xmlXPathCompExprPtr comp;
xmlXPathObjectPtr arg1, arg2;
- xmlNodePtr bak;
- xmlDocPtr bakd;
int pp;
int cs;
@@ -13255,8 +13247,6 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
case XPATH_OP_END:
return (0);
case XPATH_OP_AND:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
@@ -13265,8 +13255,6 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
if ((ctxt->value == NULL) || (ctxt->value->boolval == 0))
return (total);
arg2 = valuePop(ctxt);
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13281,8 +13269,6 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
xmlXPathReleaseObject(ctxt->context, arg2);
return (total);
case XPATH_OP_OR:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
@@ -13291,8 +13277,6 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
if ((ctxt->value == NULL) || (ctxt->value->boolval == 1))
return (total);
arg2 = valuePop(ctxt);
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13307,14 +13291,10 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
xmlXPathReleaseObject(ctxt->context, arg2);
return (total);
case XPATH_OP_EQUAL:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
CHECK_ERROR0;
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13326,14 +13306,10 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
valuePush(ctxt, xmlXPathCacheNewBoolean(ctxt->context, equal));
return (total);
case XPATH_OP_CMP:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
CHECK_ERROR0;
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13342,15 +13318,11 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
valuePush(ctxt, xmlXPathCacheNewBoolean(ctxt->context, ret));
return (total);
case XPATH_OP_PLUS:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
CHECK_ERROR0;
if (op->ch2 != -1) {
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13368,14 +13340,10 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
}
return (total);
case XPATH_OP_MULT:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
CHECK_ERROR0;
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13388,14 +13356,10 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
xmlXPathModValues(ctxt);
return (total);
case XPATH_OP_UNION:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
CHECK_ERROR0;
- ctxt->context->doc = bakd;
- ctxt->context->node = bak;
ctxt->context->proximityPosition = pp;
ctxt->context->contextSize = cs;
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
@@ -13552,24 +13516,18 @@ xmlXPathCompOpEval(xmlXPathParserContextPtr ctxt, xmlXPathStepOpPtr op)
return (total);
}
case XPATH_OP_ARG:
- bakd = ctxt->context->doc;
- bak = ctxt->context->node;
pp = ctxt->context->proximityPosition;
cs = ctxt->context->contextSize;
if (op->ch1 != -1) {
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch1]);
ctxt->context->contextSize = cs;
ctxt->context->proximityPosition = pp;
- ctxt->context->node = bak;
- ctxt->context->doc = bakd;
CHECK_ERROR0;
}
if (op->ch2 != -1) {
total += xmlXPathCompOpEval(ctxt, &comp->steps[op->ch2]);
ctxt->context->contextSize = cs;
ctxt->context->proximityPosition = pp;
- ctxt->context->node = bak;
- ctxt->context->doc = bakd;
CHECK_ERROR0;
}
return (total);
--
2.18.0
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