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author | Andrei Karas <akaras@inbox.ru> | 2015-06-18 12:22:21 +0300 |
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committer | Andrei Karas <akaras@inbox.ru> | 2015-06-18 12:22:21 +0300 |
commit | d2b4c53238a9c455eb15d58526b7e5f43100f457 (patch) | |
tree | fd3d4fcf7342cd64778b08f668e68a65e61b0cc5 /src/analysis/expression.cpp | |
parent | f414be9da2934e8601ee2d6e85500e5bbab5ceca (diff) | |
download | paranucker-d2b4c53238a9c455eb15d58526b7e5f43100f457.tar.gz paranucker-d2b4c53238a9c455eb15d58526b7e5f43100f457.tar.bz2 paranucker-d2b4c53238a9c455eb15d58526b7e5f43100f457.tar.xz paranucker-d2b4c53238a9c455eb15d58526b7e5f43100f457.zip |
Add basic analysis for nodes EQ_EXPR and TRUTH_ORIF_EXPR.
Diffstat (limited to 'src/analysis/expression.cpp')
-rw-r--r-- | src/analysis/expression.cpp | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/analysis/expression.cpp b/src/analysis/expression.cpp index 666d448..c057f88 100644 --- a/src/analysis/expression.cpp +++ b/src/analysis/expression.cpp @@ -26,10 +26,12 @@ #include "analysis/walkitem.h" #include "nodes/expr/addr_expr.h" +#include "nodes/expr/eq_expr.h" #include "nodes/expr/modify_expr.h" #include "nodes/expr/ne_expr.h" #include "nodes/expr/pointerplus_expr.h" #include "nodes/expr/return_expr.h" +#include "nodes/expr/truthorif_expr.h" #include "nodes/ref/indirect_ref.h" @@ -80,7 +82,7 @@ void analyseReturnExpr(ReturnExprNode *node, const WalkItem &wi, WalkItem &wo) void analyseNeExpr(NeExprNode *node, const WalkItem &wi, WalkItem &wo) { - // need atleast one arg for check + // need two args for check if (node->args.size() < 2 || !wi.isExpr || command == FindArgs) return; @@ -102,4 +104,32 @@ void analyseNeExpr(NeExprNode *node, const WalkItem &wi, WalkItem &wo) } } +void analyseEqExpr(EqExprNode *node, const WalkItem &wi, WalkItem &wo) +{ + // need two args for check + if (node->args.size() < 2 || !wi.isExpr || command == FindArgs) + return; + +/* + // PARM_DECL? + Node *node1 = skipNop(node->args[0]); + // INTEGER_CST? + Node *node2 = skipNop(node->args[1]); + // if (var == 0) + if (node1 && + node2 && + node1->nodeType == PARM_DECL && + node2->nodeType == INTEGER_CST && + wi.checkNullVars.find(node1->label) != wi.checkNullVars.end() && + node2->label == "0") + { + } +*/ +// do nothing for now +} + +void analyseTruthOrIfExpr(TruthOrIfExprNode *node, const WalkItem &wi, WalkItem &wo) +{ +} + } |