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Merge pull request #1233 from xiemaisi/js/amd-type-inference

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Approved by asger-semmle
This commit is contained in:
semmle-qlci
2019-04-11 15:20:00 +01:00
committed by GitHub
parent ac3421f6be 301dab0e40
commit a1cc2fbed3
7 changed files with 36 additions and 4 deletions
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16
javascript/ql/src/semmle/javascript/dataflow/internal/InterModuleTypeInference.qll
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@@ -248,10 +248,18 @@ private class AnalyzedAmdImport extends AnalyzedPropertyRead, DataFlow::Node {
Module required;
AnalyzedAmdImport() {
exists(AmdModule amd, PathExpr dep, Parameter p |
amd.getDefine().dependencyParameter(dep, p) and
this = DataFlow::parameterNode(p) and
required.getFile() = amd.resolve(dep)
exists(AmdModule amd, PathExpr dep |
exists(Parameter p |
amd.getDefine().dependencyParameter(dep, p) and
this = DataFlow::parameterNode(p)
)
or
exists(CallExpr requireCall |
requireCall = amd.getDefine().getARequireCall() and
dep = requireCall.getAnArgument() and
this = requireCall.flow()
) |
required = dep.(Import).getImportedModule()
)
}

8
javascript/ql/test/library-tests/Flow/AbstractValues.expected
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@@ -19,6 +19,14 @@
| amd3.js:1:1:5:0 | module object of module amd3 |
| amd3.js:1:24:4:1 | anonymous function |
| amd3.js:1:24:4:1 | instance of anonymous function |
| amd4.js:1:1:4:0 | exports object of module amd4 |
| amd4.js:1:1:4:0 | module object of module amd4 |
| amd4.js:1:28:3:1 | anonymous function |
| amd4.js:1:28:3:1 | instance of anonymous function |
| amd5.js:1:1:4:0 | exports object of module amd5 |
| amd5.js:1:1:4:0 | module object of module amd5 |
| amd5.js:1:21:3:1 | anonymous function |
| amd5.js:1:21:3:1 | instance of anonymous function |
| amd.js:1:1:7:0 | exports object of module amd |
| amd.js:1:1:7:0 | module object of module amd |
| amd.js:1:31:6:1 | anonymous function |

6
javascript/ql/test/library-tests/Flow/abseval.expected
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@@ -12,6 +12,12 @@
| amd3.js:3:7:3:8 | _c | amd3.js:3:12:3:12 | c | c.js:1:1:7:0 | exports object of module c |
| amd3.js:3:7:3:8 | _c | amd3.js:3:12:3:12 | c | c.js:1:18:1:19 | object literal |
| amd3.js:3:7:3:8 | _c | amd3.js:3:12:3:12 | c | file://:0:0:0:0 | indefinite value (call) |
| amd4.js:2:7:2:8 | _u | amd4.js:2:12:2:12 | u | file://:0:0:0:0 | indefinite value (call) |
| amd4.js:2:7:2:8 | _u | amd4.js:2:12:2:12 | u | file://:0:0:0:0 | non-empty, non-numeric string |
| amd4.js:2:7:2:8 | _u | amd4.js:2:12:2:12 | u | reexport/lib/src/utils/util.js:1:1:3:0 | exports object of module util |
| amd5.js:2:7:2:8 | _u | amd5.js:2:12:2:32 | req('sr ... /util') | file://:0:0:0:0 | indefinite value (call) |
| amd5.js:2:7:2:8 | _u | amd5.js:2:12:2:32 | req('sr ... /util') | file://:0:0:0:0 | non-empty, non-numeric string |
| amd5.js:2:7:2:8 | _u | amd5.js:2:12:2:32 | req('sr ... /util') | reexport/lib/src/utils/util.js:1:1:3:0 | exports object of module util |
| amd.js:2:7:2:7 | m | amd.js:2:11:2:13 | mod | amd.js:1:1:7:0 | module object of module amd |
| amd.js:2:7:2:7 | m | amd.js:2:11:2:13 | mod | file://:0:0:0:0 | indefinite value (call) |
| amd.js:3:7:3:7 | e | amd.js:3:11:3:13 | exp | amd.js:1:1:7:0 | exports object of module amd |

3
javascript/ql/test/library-tests/Flow/amd4.js Normal file
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@@ -0,0 +1,3 @@
define(['src/utils/util'], function(u) {
var _u = u;
});

3
javascript/ql/test/library-tests/Flow/amd5.js Normal file
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@@ -0,0 +1,3 @@
define(['require'], function(req) {
var _u = req('src/utils/util');
});

2
javascript/ql/test/library-tests/Flow/getAPrototype.expected
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@@ -3,6 +3,8 @@
| a.js:15:1:17:1 | instance of function bump | a.js:15:1:17:1 | instance of function bump |
| amd2.js:1:8:3:1 | instance of anonymous function | amd2.js:1:8:3:1 | instance of anonymous function |
| amd3.js:1:24:4:1 | instance of anonymous function | amd3.js:1:24:4:1 | instance of anonymous function |
| amd4.js:1:28:3:1 | instance of anonymous function | amd4.js:1:28:3:1 | instance of anonymous function |
| amd5.js:1:21:3:1 | instance of anonymous function | amd5.js:1:21:3:1 | instance of anonymous function |
| amd.js:1:31:6:1 | instance of anonymous function | amd.js:1:31:6:1 | instance of anonymous function |
| arguments.js:1:2:3:1 | instance of anonymous function | arguments.js:1:2:3:1 | instance of anonymous function |
| arguments.js:5:2:8:1 | instance of anonymous function | arguments.js:5:2:8:1 | instance of anonymous function |

2
javascript/ql/test/library-tests/Flow/types.expected
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@@ -5,6 +5,8 @@
| a.js:14:12:14:24 | notAlwaysZero | a.js:14:28:14:28 | 0 | number |
| amd3.js:2:7:2:8 | _a | amd3.js:2:12:2:12 | a | boolean, class, date, function, null, number, object, regular expression,string or undefined |
| amd3.js:3:7:3:8 | _c | amd3.js:3:12:3:12 | c | boolean, class, date, function, null, number, object, regular expression,string or undefined |
| amd4.js:2:7:2:8 | _u | amd4.js:2:12:2:12 | u | boolean, class, date, function, null, number, object, regular expression,string or undefined |
| amd5.js:2:7:2:8 | _u | amd5.js:2:12:2:32 | req('sr ... /util') | boolean, class, date, function, null, number, object, regular expression,string or undefined |
| amd.js:2:7:2:7 | m | amd.js:2:11:2:13 | mod | boolean, class, date, function, null, number, object, regular expression,string or undefined |
| amd.js:3:7:3:7 | e | amd.js:3:11:3:13 | exp | boolean, class, date, function, null, number, object, regular expression,string or undefined |
| arguments.js:2:7:2:7 | y | arguments.js:2:11:2:11 | x | number |