Summary: public 1. Change exps result of translating call expressions 2. Modify field/method_deref_trans to make them work with rvalues returned by function 3. Add E2E test Reviewed By: jberdine Differential Revision: D2874822 fb-gh-sync-id: 42c617dmaster
Andrzej Kotulski
10 years ago
committed by
facebook-github-bot-1
parent
74dbfd72b5
commit
44a6ec4f10
@ -1,50 +1,132 @@
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digraph iCFG {
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13 [label="13: DeclStmt \n _fun_get(0:int ,&SIL_materialize_temp__n$1:struct X *) [line 22]\n n$2=*&SIL_materialize_temp__n$1:struct X [line 22]\n _fun_X_X(&x:struct X *,&SIL_materialize_temp__n$1:struct X ) [line 22]\n REMOVE_TEMPS(n$2); [line 22]\n " shape="box"]
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35 [label="35: Return Stmt \n _fun_get(1:int ,&__temp_return_n$1:class X *) [line 50]\n n$2=_fun_X_div(&__temp_return_n$1:class X &) [line 50]\n *&return:int =n$2 [line 50]\n REMOVE_TEMPS(n$2); [line 50]\n NULLIFY(&__temp_return_n$1,false); [line 50]\n APPLY_ABSTRACTION; [line 50]\n " shape="box"]
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35 -> 34 ;
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34 [label="34: Exit get_method_div1 \n " color=yellow style=filled]
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33 [label="33: Start get_method_div1\nFormals: \nLocals: __temp_return_n$1:class X \n DECLARE_LOCALS(&return,&__temp_return_n$1); [line 49]\n " color=yellow style=filled]
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33 -> 35 ;
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32 [label="32: Return Stmt \n _fun_get(1:int ,&__temp_return_n$1:class X *) [line 46]\n n$2=*&__temp_return_n$1.f:int [line 46]\n *&return:int =(1 / n$2) [line 46]\n REMOVE_TEMPS(n$2); [line 46]\n NULLIFY(&__temp_return_n$1,false); [line 46]\n APPLY_ABSTRACTION; [line 46]\n " shape="box"]
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32 -> 31 ;
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31 [label="31: Exit get_field_div1 \n " color=yellow style=filled]
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30 [label="30: Start get_field_div1\nFormals: \nLocals: __temp_return_n$1:class X \n DECLARE_LOCALS(&return,&__temp_return_n$1); [line 45]\n " color=yellow style=filled]
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30 -> 32 ;
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29 [label="29: DeclStmt \n _fun_get(1:int ,&SIL_materialize_temp__n$1:class X *) [line 41]\n _fun_X_X(&x:class X *,&SIL_materialize_temp__n$1:class X &) [line 41]\n " shape="box"]
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29 -> 28 ;
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28 [label="28: Return Stmt \n n$0=*&x.f:int [line 42]\n *&return:int =(1 / n$0) [line 42]\n REMOVE_TEMPS(n$0); [line 42]\n NULLIFY(&SIL_materialize_temp__n$1,false); [line 42]\n NULLIFY(&x,false); [line 42]\n APPLY_ABSTRACTION; [line 42]\n " shape="box"]
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28 -> 27 ;
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27 [label="27: Exit get_div1 \n " color=yellow style=filled]
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26 [label="26: Start get_div1\nFormals: \nLocals: x:class X SIL_materialize_temp__n$1:class X \n DECLARE_LOCALS(&return,&x,&SIL_materialize_temp__n$1); [line 40]\n " color=yellow style=filled]
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26 -> 29 ;
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25 [label="25: Return Stmt \n _fun_get(0:int ,&__temp_return_n$1:class X *) [line 37]\n n$2=_fun_X_div(&__temp_return_n$1:class X &) [line 37]\n *&return:int =n$2 [line 37]\n REMOVE_TEMPS(n$2); [line 37]\n NULLIFY(&__temp_return_n$1,false); [line 37]\n APPLY_ABSTRACTION; [line 37]\n " shape="box"]
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25 -> 24 ;
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24 [label="24: Exit get_method_div0 \n " color=yellow style=filled]
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23 [label="23: Start get_method_div0\nFormals: \nLocals: __temp_return_n$1:class X \n DECLARE_LOCALS(&return,&__temp_return_n$1); [line 36]\n " color=yellow style=filled]
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23 -> 25 ;
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22 [label="22: Call _fun_X_skip \n _fun_get(0:int ,&__temp_return_n$4:class X *) [line 32]\n n$5=_fun_X_skip(&__temp_return_n$4:class X &) [line 32]\n REMOVE_TEMPS(n$5); [line 32]\n " shape="box"]
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22 -> 21 ;
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21 [label="21: Return Stmt \n _fun_get(0:int ,&__temp_return_n$1:class X *) [line 33]\n n$2=*&__temp_return_n$1.f:int [line 33]\n *&return:int =(1 / n$2) [line 33]\n REMOVE_TEMPS(n$2); [line 33]\n NULLIFY(&__temp_return_n$1,false); [line 33]\n NULLIFY(&__temp_return_n$4,false); [line 33]\n APPLY_ABSTRACTION; [line 33]\n " shape="box"]
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21 -> 20 ;
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20 [label="20: Exit get_field_div0 \n " color=yellow style=filled]
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19 [label="19: Start get_field_div0\nFormals: \nLocals: __temp_return_n$1:class X __temp_return_n$4:class X \n DECLARE_LOCALS(&return,&__temp_return_n$1,&__temp_return_n$4); [line 31]\n " color=yellow style=filled]
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19 -> 22 ;
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18 [label="18: DeclStmt \n _fun_get(0:int ,&SIL_materialize_temp__n$1:class X *) [line 27]\n _fun_X_X(&x:class X *,&SIL_materialize_temp__n$1:class X &) [line 27]\n " shape="box"]
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18 -> 17 ;
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17 [label="17: Return Stmt \n n$0=*&x.f:int [line 28]\n *&return:int =(1 / n$0) [line 28]\n REMOVE_TEMPS(n$0); [line 28]\n NULLIFY(&SIL_materialize_temp__n$1,false); [line 28]\n NULLIFY(&x,false); [line 28]\n APPLY_ABSTRACTION; [line 28]\n " shape="box"]
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17 -> 16 ;
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16 [label="16: Exit get_div0 \n " color=yellow style=filled]
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15 [label="15: Start get_div0\nFormals: \nLocals: x:class X SIL_materialize_temp__n$1:class X \n DECLARE_LOCALS(&return,&x,&SIL_materialize_temp__n$1); [line 26]\n " color=yellow style=filled]
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15 -> 18 ;
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14 [label="14: DeclStmt \n _fun_X_X(&x:class X *) [line 21]\n " shape="box"]
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14 -> 13 ;
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13 [label="13: BinaryOperatorStmt: Assign \n n$1=*&a:int [line 22]\n *&x.f:int =n$1 [line 22]\n REMOVE_TEMPS(n$1); [line 22]\n NULLIFY(&a,false); [line 22]\n " shape="box"]
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13 -> 12 ;
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12 [label="12: Return Stmt \n n$0=*&x.f:int [line 23]\n *&return:int =(1 / n$0) [line 23]\n REMOVE_TEMPS(n$0); [line 23]\n NULLIFY(&SIL_materialize_temp__n$1,false); [line 23]\n NULLIFY(&x,false); [line 23]\n APPLY_ABSTRACTION; [line 23]\n " shape="box"]
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12 [label="12: Return Stmt \n n$0=*&__return_param:void * [line 23]\n _fun_X_X(n$0:class X *,&x:class X &) [line 23]\n REMOVE_TEMPS(n$0); [line 23]\n NULLIFY(&__return_param,false); [line 23]\n NULLIFY(&x,false); [line 23]\n APPLY_ABSTRACTION; [line 23]\n " shape="box"]
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12 -> 11 ;
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11 [label="11: Exit test \n " color=yellow style=filled]
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11 [label="11: Exit get \n " color=yellow style=filled]
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10 [label="10: Start test\nFormals: \nLocals: x:struct X SIL_materialize_temp__n$1:struct X \n DECLARE_LOCALS(&return,&x,&SIL_materialize_temp__n$1); [line 21]\n " color=yellow style=filled]
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10 [label="10: Start get\nFormals: a:int __return_param:class X *\nLocals: x:class X \n DECLARE_LOCALS(&return,&x); [line 20]\n " color=yellow style=filled]
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10 -> 13 ;
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9 [label="9: DeclStmt \n _fun_X_X(&x:struct X *) [line 16]\n " shape="box"]
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10 -> 14 ;
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9 [label="9: Return Stmt \n n$0=*&this:class X * [line 15]\n n$1=*n$0.f:int [line 15]\n *&return:int =(1 / n$1) [line 15]\n REMOVE_TEMPS(n$0,n$1); [line 15]\n NULLIFY(&this,false); [line 15]\n APPLY_ABSTRACTION; [line 15]\n " shape="box"]
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9 -> 8 ;
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8 [label="8: BinaryOperatorStmt: Assign \n n$1=*&a:int [line 17]\n *&x.f:int =n$1 [line 17]\n REMOVE_TEMPS(n$1); [line 17]\n NULLIFY(&a,false); [line 17]\n " shape="box"]
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8 [label="8: Exit X_div \n " color=yellow style=filled]
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8 -> 7 ;
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7 [label="7: Return Stmt \n n$0=*&__return_param:void * [line 18]\n _fun_X_X(n$0:struct X *,&x:struct X ) [line 18]\n REMOVE_TEMPS(n$0); [line 18]\n NULLIFY(&__return_param,false); [line 18]\n NULLIFY(&x,false); [line 18]\n APPLY_ABSTRACTION; [line 18]\n " shape="box"]
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7 [label="7: Start X_div\nFormals: this:class X *\nLocals: \n DECLARE_LOCALS(&return); [line 15]\n " color=yellow style=filled]
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7 -> 6 ;
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6 [label="6: Exit get \n " color=yellow style=filled]
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7 -> 9 ;
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6 [label="6: BinaryOperatorStmt: Assign \n n$0=*&this:class X * [line 14]\n *n$0.f:int =1 [line 14]\n REMOVE_TEMPS(n$0); [line 14]\n NULLIFY(&this,false); [line 14]\n APPLY_ABSTRACTION; [line 14]\n " shape="box"]
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5 [label="5: Start get\nFormals: a:int __return_param:struct X *\nLocals: x:struct X \n DECLARE_LOCALS(&return,&x); [line 15]\n " color=yellow style=filled]
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6 -> 5 ;
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5 [label="5: Exit X_X \n " color=yellow style=filled]
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5 -> 9 ;
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4 [label="4: Exit X_X \n " color=yellow style=filled]
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4 [label="4: Start X_X\nFormals: this:class X *\nLocals: \n DECLARE_LOCALS(&return); [line 14]\n " color=yellow style=filled]
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3 [label="3: Start X_X\nFormals: this:class X * :void \nLocals: \n DECLARE_LOCALS(&return); [line 10]\n NULLIFY(&,false); [line 10]\n NULLIFY(&this,false); [line 10]\n " color=yellow style=filled]
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4 -> 6 ;
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3 [label="3: BinaryOperatorStmt: Assign \n n$0=*&this:class X * [line 13]\n n$1=*&x:class X & [line 13]\n n$2=*n$1.f:int [line 13]\n *n$0.f:int =n$2 [line 13]\n REMOVE_TEMPS(n$0,n$1,n$2); [line 13]\n NULLIFY(&this,false); [line 13]\n NULLIFY(&x,false); [line 13]\n APPLY_ABSTRACTION; [line 13]\n " shape="box"]
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3 -> 4 ;
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3 -> 2 ;
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2 [label="2: Exit X_X \n " color=yellow style=filled]
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1 [label="1: Start X_X\nFormals: this:class X *\nLocals: \n DECLARE_LOCALS(&return); [line 10]\n NULLIFY(&this,false); [line 10]\n " color=yellow style=filled]
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1 [label="1: Start X_X\nFormals: this:class X * x:class X &\nLocals: \n DECLARE_LOCALS(&return); [line 13]\n " color=yellow style=filled]
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1 -> 2 ;
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1 -> 3 ;
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}
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@ -0,0 +1,65 @@
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/*
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* Copyright (c) 2016 - 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 endtoend.cpp;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static utils.matchers.ResultContainsExactly.containsExactly;
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import com.google.common.collect.ImmutableList;
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import org.junit.BeforeClass;
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import org.junit.ClassRule;
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import org.junit.Test;
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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.InferResults;
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import utils.InferRunner;
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public class ReturnStructTest {
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public static final String FILE =
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"infer/tests/codetoanalyze/cpp/frontend/types/return_struct.cpp";
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private static ImmutableList<String> inferCmd;
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public static final String DIVIDE_BY_ZERO = "DIVIDE_BY_ZERO";
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@ClassRule
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public static DebuggableTemporaryFolder folder =
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new DebuggableTemporaryFolder();
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@BeforeClass
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public static void runInfer() throws InterruptedException, IOException {
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inferCmd = InferRunner.createCPPInferCommand(folder, FILE);
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}
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@Test
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public void whenInferRunsOnDiv0MethodsErrorIsFound()
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throws InterruptedException, IOException, InferException {
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InferResults inferResults = InferRunner.runInferCPP(inferCmd);
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String[] procedures = {
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"get_div0",
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"get_field_div0",
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"get_method_div0",
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};
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assertThat(
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"Results should contain the expected divide by zero",
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inferResults,
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containsExactly(
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DIVIDE_BY_ZERO,
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FILE,
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procedures
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)
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);
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}
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}
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