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author | Andrei Karas <akaras@inbox.ru> | 2015-06-19 17:43:00 +0300 |
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committer | Andrei Karas <akaras@inbox.ru> | 2015-06-19 17:43:00 +0300 |
commit | 748dc1dfbad72879c22f4b04c2f94a302f3875ec (patch) | |
tree | 9ecd6e694bf6ee68e3436d5928518fafe312ba2a /src/analysis/expression.cpp | |
parent | 07d855f00bef2bc0443f5549073747dee8df858f (diff) | |
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Fix some issues in expressions like this "if (EXPR || EXPR)"
Diffstat (limited to 'src/analysis/expression.cpp')
-rw-r--r-- | src/analysis/expression.cpp | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/src/analysis/expression.cpp b/src/analysis/expression.cpp index 69c9f69..f852f9f 100644 --- a/src/analysis/expression.cpp +++ b/src/analysis/expression.cpp @@ -87,7 +87,7 @@ void analyseNeExpr(NeExprNode *node, const WalkItem &wi, WalkItem &wo) if (node->args.size() < 2 || command == FindArgs) return; -// Log::log("analyseNeExpr 1\n"); + //Log::dumpWI(node, "NE in ", wo); // PARM_DECL? Node *node1 = skipNop(node->args[0]); // INTEGER_CST? @@ -101,7 +101,6 @@ void analyseNeExpr(NeExprNode *node, const WalkItem &wi, WalkItem &wo) wi.checkNullVars.find(node1->label) != wi.checkNullVars.end() && node2->label == "0") { -// Log::log("analyseNeExpr 2\n"); wo.checkedNonNullVars.insert(node1->label); wo.cleanExpr = true; wo.uselessExpr = false; @@ -111,6 +110,7 @@ void analyseNeExpr(NeExprNode *node, const WalkItem &wi, WalkItem &wo) wo.cleanExpr = false; wo.uselessExpr = true; } + //Log::dumpWI(node, "NE out ", wo); } void analyseEqExpr(EqExprNode *node, const WalkItem &wi, WalkItem &wo) @@ -119,7 +119,7 @@ void analyseEqExpr(EqExprNode *node, const WalkItem &wi, WalkItem &wo) if (node->args.size() < 2 || command == FindArgs) return; -// Log::log("analyseEqExpr 1\n"); + //Log::dumpWI(node, "EQ in ", wo); // PARM_DECL? Node *node1 = skipNop(node->args[0]); // INTEGER_CST? @@ -132,7 +132,6 @@ void analyseEqExpr(EqExprNode *node, const WalkItem &wi, WalkItem &wo) wi.checkNullVars.find(node1->label) != wi.checkNullVars.end() && node2->label == "0") { -// Log::log("analyseEqExpr 2\n"); wo.checkedNullVars.insert(node1->label); wo.cleanExpr = true; wo.uselessExpr = false; @@ -142,6 +141,7 @@ void analyseEqExpr(EqExprNode *node, const WalkItem &wi, WalkItem &wo) wo.cleanExpr = false; wo.uselessExpr = true; } + //Log::dumpWI(node, "EQ out ", wo); } void analyseTruthOrIfExpr(TruthOrIfExprNode *node, const WalkItem &wi, WalkItem &wo) @@ -158,9 +158,18 @@ void analyseTruthOrIfExpr(TruthOrIfExprNode *node, const WalkItem &wi, WalkItem //Log::dumpWI(node, "wo1 ", wo1); //Log::dumpWI(node, "wo2 ", wo2); if (wo1.cleanExpr) - mergeChecked(wo, wo1); + { + mergeNullChecked(wo, wo1); + //mergeNonNullChecked(wo, wo1); + } if (wo2.cleanExpr) - mergeChecked(wo, wo2); + { + mergeNullChecked(wo, wo2); + //mergeNonNullChecked(wo, wo2); + } + // need check for cleanExpr? + intersectNonNullChecked(wo, wo1, wo2); + wo.cleanExpr = false; wo.stopWalking = true; wo.uselessExpr = wo1.uselessExpr || wo2.uselessExpr; |