Ruby runtime = context.getRuntime(); int uid = runtime.getPosix().getuid(); int euid = runtime.getPosix().geteuid(); if (block.isGiven()) { try { runtime.getPosix().seteuid(uid); runtime.getPosix().setuid(euid); return block.yield(context, runtime.getNil()); } finally { runtime.getPosix().seteuid(euid); runtime.getPosix().setuid(uid); } } else { runtime.getPosix().seteuid(uid); runtime.getPosix().setuid(euid); return RubyFixnum.zero(runtime); }
Ruby runtime = context.getRuntime(); int gid = runtime.getPosix().getgid(); int egid = runtime.getPosix().getegid(); if (block.isGiven()) { try { runtime.getPosix().setegid(gid); runtime.getPosix().setgid(egid); return block.yield(context, runtime.getNil()); } finally { runtime.getPosix().setegid(egid); runtime.getPosix().setgid(gid); } } else { runtime.getPosix().setegid(gid); runtime.getPosix().setgid(egid); return RubyFixnum.zero(runtime); }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/RubyProcess.java File path: /jruby-1.4.0/src/org/jruby/RubyProcess.java
Method name: IRubyObject switch_rb(ThreadContext, IRubyObject, Block) Method name: IRubyObject switch_rb(ThreadContext, IRubyObject, Block)
Number of AST nodes: 11 Number of AST nodes: 11
1
Ruby runtime = context.getRuntime();
1
Ruby runtime = context.getRuntime();
2
            int uid = runtime.getPosix().getuid();
2
            int gid = runtime.getPosix().getgid();
3
            int euid = runtime.getPosix().geteuid();
3
            int egid = runtime.getPosix().getegid();
4
            
4
            
5
            if (block.isGiven()) {
5
            if (block.isGiven()) {
6
                try {
6
                try {
7
                    runtime.getPosix().seteuid(uid);
7
                    runtime.getPosix().setegid(gid);
8
                    runtime.getPosix().setuid(euid);
8
                    runtime.getPosix().setgid(egid);
9
                    
9
                    
10
                    return block.yield(context, runtime.getNil());
10
                    return block.yield(context, runtime.getNil());
11
                } finally {
11
                } finally {
12
                    runtime.getPosix().seteuid(euid);
12
                    runtime.getPosix().setegid(egid);
13
                    runtime.getPosix().setuid(uid);
13
                    runtime.getPosix().setgid(gid);
14
                }
14
                }
15
            } else {
15
            } else {
16
                runtime.getPosix().seteuid(uid);
16
                runtime.getPosix().setegid(gid);
17
                runtime.getPosix().setuid(euid);
17
                runtime.getPosix().setgid(egid);
18
                
18
                
19
                return RubyFixnum.zero(runtime);
19
                return RubyFixnum.zero(runtime);
20
            }
20
            }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases0
Number of non-refactorable cases1
Time elapsed for finding largest common nesting structure subtrees (ms)0.4
Clones locationClones are in the same java file
Number of node comparisons41
  1. {Non-refactorable}
    Mapping Summary
    Number of mapped statements11
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)4.4
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    Ruby runtime = context.getRuntime();
    1
    Ruby runtime = context.getRuntime();
    2
    int uid = runtime.getPosix().getuid();
    2
    int uid = runtime.getPosix().getuid();
    2
    int gid = runtime.getPosix().getgid();
    Differences
    Expression1Expression2Difference
    uidgidVARIABLE_NAME_MISMATCH
    getuidgetgidMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().getuid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().getgid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2
    int gid = runtime.getPosix().getgid();
    3
    int euid = runtime.getPosix().geteuid();
    3
    int euid = runtime.getPosix().geteuid();
    3
    int egid = runtime.getPosix().getegid();
    Differences
    Expression1Expression2Difference
    euidegidVARIABLE_NAME_MISMATCH
    geteuidgetegidMETHOD_INVOCATION_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().geteuid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().getegid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3
    int egid = runtime.getPosix().getegid();
    4
    if (block.isGiven())
    4
    if (block.isGiven())
    5
    try
    5
    try
    5
    try
    Differences
    Expression1Expression2Difference
    seteuidsetegidMETHOD_INVOCATION_NAME_MISMATCH
    euidegidVARIABLE_NAME_MISMATCH
    setuidsetgidMETHOD_INVOCATION_NAME_MISMATCH
    uidgidVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().seteuid(euid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setegid(egid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setuid(uid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setgid(gid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5
    try
    6
    runtime.getPosix().seteuid(uid);
    6
    runtime.getPosix().seteuid(uid);
    6
    runtime.getPosix().setegid(gid);
    Differences
    Expression1Expression2Difference
    seteuidsetegidMETHOD_INVOCATION_NAME_MISMATCH
    uidgidVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().seteuid(uid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setegid(gid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6
    runtime.getPosix().setegid(gid);
    7
    runtime.getPosix().setuid(euid);
    7
    runtime.getPosix().setuid(euid);
    7
    runtime.getPosix().setgid(egid);
    Differences
    Expression1Expression2Difference
    setuidsetgidMETHOD_INVOCATION_NAME_MISMATCH
    euidegidVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().setuid(euid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setgid(egid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7
    runtime.getPosix().setgid(egid);
    8
    return block.yield(context, runtime.getNil());
    8
    return block.yield(context, runtime.getNil());
    else
    else
    9
    runtime.getPosix().seteuid(uid);
    9
    runtime.getPosix().seteuid(uid);
    9
    runtime.getPosix().setegid(gid);
    Differences
    Expression1Expression2Difference
    seteuidsetegidMETHOD_INVOCATION_NAME_MISMATCH
    uidgidVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().seteuid(uid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setegid(gid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9
    runtime.getPosix().setegid(gid);
    10
    runtime.getPosix().setuid(euid);
    10
    runtime.getPosix().setuid(euid);
    10
    runtime.getPosix().setgid(egid);
    Differences
    Expression1Expression2Difference
    setuidsetgidMETHOD_INVOCATION_NAME_MISMATCH
    euidegidVARIABLE_NAME_MISMATCH
    Preondition Violations
    Expression runtime.getPosix().setuid(euid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    Expression runtime.getPosix().setgid(egid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10
    runtime.getPosix().setgid(egid);
    11
    return RubyFixnum.zero(runtime);
    11
    return RubyFixnum.zero(runtime);
    Precondition Violations (16)
    Row Violation
    1Expression runtime.getPosix().getuid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    2Expression runtime.getPosix().getgid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    3Expression runtime.getPosix().geteuid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    4Expression runtime.getPosix().getegid() cannot be parameterized, because it has dependencies to/from statements that will be extracted
    5Expression runtime.getPosix().seteuid(euid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    6Expression runtime.getPosix().setegid(egid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    7Expression runtime.getPosix().setuid(uid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    8Expression runtime.getPosix().setgid(gid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    9Expression runtime.getPosix().seteuid(uid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    10Expression runtime.getPosix().setegid(gid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    11Expression runtime.getPosix().setuid(euid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    12Expression runtime.getPosix().setgid(egid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    13Expression runtime.getPosix().seteuid(uid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    14Expression runtime.getPosix().setegid(gid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    15Expression runtime.getPosix().setuid(euid) cannot be parameterized, because it has dependencies to/from statements that will be extracted
    16Expression runtime.getPosix().setgid(egid) cannot be parameterized, because it has dependencies to/from statements that will be extracted