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JVM language frontend based on SootUp
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| .data/ | ||
| logs | ||
| /lsp/*.log | ||
| *.class | ||
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| *.dylib | ||
| *.so | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| /* | ||
| * Copyright (c) 2021, Fraunhofer AISEC. All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| * $$$$$$\ $$$$$$$\ $$$$$$\ | ||
| * $$ __$$\ $$ __$$\ $$ __$$\ | ||
| * $$ / \__|$$ | $$ |$$ / \__| | ||
| * $$ | $$$$$$$ |$$ |$$$$\ | ||
| * $$ | $$ ____/ $$ |\_$$ | | ||
| * $$ | $$\ $$ | $$ | $$ | | ||
| * \$$$$$ |$$ | \$$$$$ | | ||
| * \______/ \__| \______/ | ||
| * | ||
| */ | ||
| plugins { | ||
| id("cpg.frontend-conventions") | ||
| } | ||
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| publishing { | ||
| publications { | ||
| named<MavenPublication>("cpg-language-jvm") { | ||
| pom { | ||
| artifactId = "cpg-language-jvm" | ||
| name.set("Code Property Graph - JVM bytecode Frontend") | ||
| description.set("A JVM bytecode frontend for the CPG") | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
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| tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach { | ||
| kotlinOptions { | ||
| freeCompilerArgs = listOf("-Xcontext-receivers") | ||
| } | ||
| } | ||
|
|
||
| dependencies { | ||
| api(libs.bundles.sootup) | ||
| } |
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cpg-language-jvm/src/main/kotlin/de/fraunhofer/aisec/cpg/frontends/jvm/DeclarationHandler.kt
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright (c) 2024, Fraunhofer AISEC. All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| * | ||
| * $$$$$$\ $$$$$$$\ $$$$$$\ | ||
| * $$ __$$\ $$ __$$\ $$ __$$\ | ||
| * $$ / \__|$$ | $$ |$$ / \__| | ||
| * $$ | $$$$$$$ |$$ |$$$$\ | ||
| * $$ | $$ ____/ $$ |\_$$ | | ||
| * $$ | $$\ $$ | $$ | $$ | | ||
| * \$$$$$ |$$ | \$$$$$ | | ||
| * \______/ \__| \______/ | ||
| * | ||
| */ | ||
| package de.fraunhofer.aisec.cpg.frontends.jvm | ||
|
|
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| import de.fraunhofer.aisec.cpg.frontends.Handler | ||
| import de.fraunhofer.aisec.cpg.graph.* | ||
| import de.fraunhofer.aisec.cpg.graph.declarations.* | ||
| import sootup.core.jimple.basic.Local | ||
| import sootup.core.model.SootClass | ||
| import sootup.core.model.SootField | ||
| import sootup.core.model.SootMethod | ||
| import sootup.java.core.JavaSootClass | ||
| import sootup.java.core.JavaSootField | ||
| import sootup.java.core.JavaSootMethod | ||
| import sootup.java.core.jimple.basic.JavaLocal | ||
|
|
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| class DeclarationHandler(frontend: JVMLanguageFrontend) : | ||
| Handler<Declaration, Any, JVMLanguageFrontend>(::ProblemDeclaration, frontend) { | ||
| init { | ||
| map.put(SootClass::class.java) { handleClass(it as SootClass) } | ||
| map.put(JavaSootClass::class.java) { handleClass(it as SootClass) } | ||
| map.put(SootMethod::class.java) { handleMethod(it as SootMethod) } | ||
| map.put(JavaSootMethod::class.java) { handleMethod(it as SootMethod) } | ||
| map.put(SootField::class.java) { handleField(it as SootField) } | ||
| map.put(JavaSootField::class.java) { handleField(it as SootField) } | ||
| map.put(Local::class.java) { handleLocal(it as Local) } | ||
| map.put(JavaLocal::class.java) { handleLocal(it as Local) } | ||
| } | ||
|
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| private fun handleClass(sootClass: SootClass): RecordDeclaration { | ||
| val record = | ||
| newRecordDeclaration( | ||
| sootClass.getName(), | ||
| if (sootClass.isInterface()) { | ||
| "interface" | ||
| } else { | ||
| "class" | ||
| }, | ||
| rawNode = sootClass | ||
| ) | ||
|
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| // Collect super class | ||
| val o = sootClass.superclass | ||
| if (o.isPresent) { | ||
| record.addSuperClass(frontend.typeOf(o.get())) | ||
| } | ||
|
|
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| // Collect implemented interfaces | ||
| for (i in sootClass.interfaces) { | ||
| record.implementedInterfaces += frontend.typeOf(i) | ||
| } | ||
|
|
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| // Enter the class scope | ||
| frontend.scopeManager.enterScope(record) | ||
|
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| // Loop through all fields | ||
| for (sootField in sootClass.fields) { | ||
| val field = handle(sootField) | ||
| frontend.scopeManager.addDeclaration(field) | ||
| } | ||
|
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| // Loop through all methods | ||
| for (sootMethod in sootClass.methods) { | ||
| val method = handle(sootMethod) | ||
| frontend.scopeManager.addDeclaration(method) | ||
| } | ||
|
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| // Leave the class scope | ||
| frontend.scopeManager.leaveScope(record) | ||
|
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| return record | ||
| } | ||
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| private fun handleMethod(sootMethod: SootMethod): MethodDeclaration { | ||
| val record = frontend.scopeManager.currentRecord | ||
|
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| val method = | ||
| if (sootMethod.name == "<init>") { | ||
| newConstructorDeclaration(sootMethod.name, record, rawNode = sootMethod) | ||
| } else { | ||
| newMethodDeclaration( | ||
| sootMethod.name, | ||
| sootMethod.isStatic, | ||
| frontend.scopeManager.currentRecord, | ||
| rawNode = sootMethod, | ||
| ) | ||
| } | ||
|
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| // Enter method scope | ||
| frontend.scopeManager.enterScope(method) | ||
|
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| // Add "@this" as the receiver | ||
| method.receiver = | ||
| newVariableDeclaration("@this", method.recordDeclaration?.toType() ?: unknownType()) | ||
| .implicit("@this") | ||
| frontend.scopeManager.addDeclaration(method.receiver) | ||
|
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| // Add method parameters | ||
| for ((index, type) in sootMethod.parameterTypes.withIndex()) { | ||
| val param = newParameterDeclaration("@parameter${index}", frontend.typeOf(type)) | ||
| frontend.scopeManager.addDeclaration(param) | ||
| } | ||
|
|
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| if (sootMethod.isConcrete) { | ||
| // Handle method body | ||
| method.body = frontend.statementHandler.handle(sootMethod.body) | ||
| } | ||
|
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| // Leave method scope | ||
| frontend.scopeManager.leaveScope(method) | ||
|
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| return method | ||
| } | ||
|
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| fun handleField(field: SootField): FieldDeclaration { | ||
| return newFieldDeclaration( | ||
| field.name, | ||
| frontend.typeOf(field.type), | ||
| field.modifiers.map { it.name.lowercase() }, | ||
| rawNode = field | ||
| ) | ||
| } | ||
|
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| private fun handleLocal(local: Local): VariableDeclaration { | ||
| return newVariableDeclaration(local.name, frontend.typeOf(local.type), rawNode = local) | ||
| } | ||
| } |
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