Summary: Handle C++ method declarations and create cfgs for them. Doesn't do: Method calls (CXXMethodCall) Using `this` expression in methods (including implicit ones)master
Andrzej Kotulski
10 years ago
parent
352b8edff9
commit
7a839984da
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// commented out parts are not done yet
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struct A {
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public:
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int member1;
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float member2;
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public:
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int fun(int a, int b);
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// overloading
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int fun(int a, int b, int c);
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int add(const A& other);
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struct AIn {
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int fun1() { return 1;}
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int fun(int a, int b);
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};
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// inline definition
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int def_in() { int c = 10; return c+1;}
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//static function
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//static int get_fun() {return 1;}
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};
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int A::fun(int a, int b, int c) {
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//using class members
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//fun(a,b);
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}
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int A::fun(int a, int b) {
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int c = a + b + 1;
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//using class members
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//member1 = c;
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return c*c;
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}
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int A::AIn::fun(int a, int b) {
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return a+b;
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}
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int A::add(const A& other) {
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//member1 += other.member1;
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//return member1;
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}
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void test() {
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// constructing objects
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//A a;
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//a.fun(1,2);
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A *a_ptr;
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// calling methods
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// a_ptr->fun(10,20);
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//A::get_fun();
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//a.get_fun();
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}
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@ -0,0 +1,75 @@
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digraph iCFG {
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20 [label="20: Exit test \n " color=yellow style=filled]
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19 [label="19: Start test\nFormals: \nLocals: a_ptr:struct A * \n DECLARE_LOCALS(&return,&a_ptr); [line 44]\n NULLIFY(&a_ptr,false); [line 44]\n " color=yellow style=filled]
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19 -> 20 ;
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18 [label="18: Exit A_add \n " color=yellow style=filled]
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17 [label="17: Start A_add\nFormals: this:struct A other:struct A &\nLocals: \n DECLARE_LOCALS(&return); [line 39]\n NULLIFY(&this,false); [line 39]\n NULLIFY(&other,false); [line 39]\n " color=yellow style=filled]
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17 -> 18 ;
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16 [label="16: Return Stmt \n n$5=*&a:int [line 36]\n n$6=*&b:int [line 36]\n *&return:int =(n$5 + n$6) [line 36]\n REMOVE_TEMPS(n$5,n$6); [line 36]\n NULLIFY(&a,false); [line 36]\n NULLIFY(&b,false); [line 36]\n APPLY_ABSTRACTION; [line 36]\n " shape="box"]
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16 -> 15 ;
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15 [label="15: Exit A::AIn_fun \n " color=yellow style=filled]
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14 [label="14: Start A::AIn_fun\nFormals: this:struct A::AIn a:int b:int \nLocals: \n DECLARE_LOCALS(&return); [line 35]\n NULLIFY(&this,false); [line 35]\n " color=yellow style=filled]
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14 -> 16 ;
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13 [label="13: DeclStmt \n n$3=*&a:int [line 29]\n n$4=*&b:int [line 29]\n *&c:int =((n$3 + n$4) + 1) [line 29]\n REMOVE_TEMPS(n$3,n$4); [line 29]\n NULLIFY(&a,false); [line 29]\n NULLIFY(&b,false); [line 29]\n " shape="box"]
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13 -> 12 ;
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12 [label="12: Return Stmt \n n$1=*&c:int [line 32]\n n$2=*&c:int [line 32]\n *&return:int =(n$1 * n$2) [line 32]\n REMOVE_TEMPS(n$1,n$2); [line 32]\n NULLIFY(&c,false); [line 32]\n APPLY_ABSTRACTION; [line 32]\n " shape="box"]
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12 -> 11 ;
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11 [label="11: Exit A_fun \n " color=yellow style=filled]
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10 [label="10: Start A_fun\nFormals: this:struct A a:int b:int \nLocals: c:int \n DECLARE_LOCALS(&return,&c); [line 28]\n NULLIFY(&this,false); [line 28]\n NULLIFY(&c,false); [line 28]\n " color=yellow style=filled]
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10 -> 13 ;
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9 [label="9: Exit A_fun \n " color=yellow style=filled]
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8 [label="8: Start A_fun\nFormals: this:struct A a:int b:int c:int \nLocals: \n DECLARE_LOCALS(&return); [line 23]\n NULLIFY(&this,false); [line 23]\n NULLIFY(&a,false); [line 23]\n NULLIFY(&b,false); [line 23]\n NULLIFY(&c,false); [line 23]\n " color=yellow style=filled]
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8 -> 9 ;
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7 [label="7: DeclStmt \n *&c:int =10 [line 17]\n " shape="box"]
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7 -> 6 ;
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6 [label="6: Return Stmt \n n$0=*&c:int [line 17]\n *&return:int =(n$0 + 1) [line 17]\n REMOVE_TEMPS(n$0); [line 17]\n NULLIFY(&c,false); [line 17]\n APPLY_ABSTRACTION; [line 17]\n " shape="box"]
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6 -> 5 ;
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5 [label="5: Exit A_def_in \n " color=yellow style=filled]
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4 [label="4: Start A_def_in\nFormals: this:struct A \nLocals: c:int \n DECLARE_LOCALS(&return,&c); [line 17]\n NULLIFY(&this,false); [line 17]\n NULLIFY(&c,false); [line 17]\n " color=yellow style=filled]
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4 -> 7 ;
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3 [label="3: Return Stmt \n *&return:int =1 [line 13]\n APPLY_ABSTRACTION; [line 13]\n " shape="box"]
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3 -> 2 ;
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2 [label="2: Exit A::AIn_fun1 \n " color=yellow style=filled]
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1 [label="1: Start A::AIn_fun1\nFormals: this:struct A::AIn \nLocals: \n DECLARE_LOCALS(&return); [line 13]\n NULLIFY(&this,false); [line 13]\n " color=yellow style=filled]
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1 -> 3 ;
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}
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@ -0,0 +1,51 @@
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/*
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* Copyright (c) 2013 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package frontend.cpp;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static utils.matchers.DotFilesEqual.dotFileEqualTo;
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import com.google.common.collect.ImmutableList;
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import org.junit.Rule;
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import org.junit.Test;
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import java.io.File;
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import java.io.IOException;
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import utils.DebuggableTemporaryFolder;
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import utils.InferException;
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import utils.InferRunner;
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public class MethodsTest {
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@Rule
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public DebuggableTemporaryFolder folder = new DebuggableTemporaryFolder();
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@Test
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public void whenCaptureRunCommaThenDotFilesAreTheSame()
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throws InterruptedException, IOException, InferException {
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String literal_src =
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"infer/tests/codetoanalyze/cpp/frontend/types/methods.cpp";
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String literal_dotty =
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"infer/tests/codetoanalyze/cpp/frontend/types/methods.dot";
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ImmutableList<String> inferCmd =
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InferRunner.createCPPInferCommandFrontend(
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folder,
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literal_src);
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File newDotFile = InferRunner.runInferFrontend(inferCmd);
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assertThat(
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"In the capture of " + literal_src +
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" the dotty files should be the same.",
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newDotFile, dotFileEqualTo(literal_dotty));
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}
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}
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