fix main function detection to rely on actually resolved types

This commit is contained in:
Ladislav Thon
2014-02-16 02:24:17 +01:00
committed by Evgeny Gerashchenko
parent a2f6b99862
commit 36bc7580aa
21 changed files with 242 additions and 84 deletions
@@ -49,7 +49,7 @@ import org.jetbrains.jet.lang.resolve.java.AnalyzerFacadeForJVM;
import org.jetbrains.jet.lang.resolve.java.PackageClassUtils;
import org.jetbrains.jet.lang.resolve.name.FqName;
import org.jetbrains.jet.lang.types.lang.InlineUtil;
import org.jetbrains.jet.plugin.JetMainDetector;
import org.jetbrains.jet.plugin.MainFunctionDetector;
import org.jetbrains.jet.utils.KotlinPaths;
import java.io.File;
@@ -162,10 +162,11 @@ public class KotlinToJVMBytecodeCompiler {
}
@Nullable
private static FqName findMainClass(@NotNull List<JetFile> files) {
private static FqName findMainClass(@NotNull GenerationState generationState, @NotNull List<JetFile> files) {
MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(generationState.getBindingContext());
FqName mainClass = null;
for (JetFile file : files) {
if (JetMainDetector.hasMain(file.getDeclarations())) {
if (mainFunctionDetector.hasMain(file.getDeclarations())) {
if (mainClass != null) {
// more than one main
return null;
@@ -184,13 +185,13 @@ public class KotlinToJVMBytecodeCompiler {
boolean includeRuntime
) {
FqName mainClass = findMainClass(environment.getSourceFiles());
GenerationState generationState = analyzeAndGenerate(environment);
if (generationState == null) {
return false;
}
FqName mainClass = findMainClass(generationState, environment.getSourceFiles());
try {
OutputDirector outputDirector = outputDir != null ? new SingleDirectoryDirector(outputDir) : null;
writeOutput(environment.getConfiguration(), generationState.getFactory(), outputDirector, jar, includeRuntime, mainClass);
@@ -309,4 +310,4 @@ public class KotlinToJVMBytecodeCompiler {
}
return generationState;
}
}
}
@@ -47,7 +47,7 @@ import org.jetbrains.jet.lang.resolve.scopes.receivers.ThisReceiver;
import org.jetbrains.jet.lang.types.JetType;
import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
import org.jetbrains.jet.lexer.JetTokens;
import org.jetbrains.jet.plugin.JetMainDetector;
import org.jetbrains.jet.plugin.MainFunctionDetector;
import java.util.*;
@@ -557,7 +557,8 @@ public class JetFlowInformationProvider {
else if (element instanceof JetParameter) {
PsiElement psiElement = element.getParent().getParent();
if (psiElement instanceof JetFunction) {
boolean isMain = (psiElement instanceof JetNamedFunction) && JetMainDetector.isMain((JetNamedFunction) psiElement);
MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(trace.getBindingContext());
boolean isMain = (psiElement instanceof JetNamedFunction) && mainFunctionDetector.isMain((JetNamedFunction) psiElement);
if (psiElement instanceof JetFunctionLiteral) return;
DeclarationDescriptor descriptor = trace.get(BindingContext.DECLARATION_TO_DESCRIPTOR, psiElement);
assert descriptor instanceof FunctionDescriptor : psiElement.getText();
@@ -1,70 +0,0 @@
/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* 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 org.jetbrains.jet.plugin;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.psi.*;
import java.util.Collection;
import java.util.List;
public class JetMainDetector {
private JetMainDetector() {
}
public static boolean hasMain(@NotNull List<JetDeclaration> declarations) {
return findMainFunction(declarations) != null;
}
public static boolean isMain(@NotNull JetNamedFunction function) {
if ("main".equals(function.getName())) {
List<JetParameter> parameters = function.getValueParameters();
if (parameters.size() == 1) {
JetTypeReference reference = parameters.get(0).getTypeReference();
if (reference != null && reference.getText().equals("Array<String>")) { // TODO correct check
return true;
}
}
}
return false;
}
@Nullable
public static JetNamedFunction getMainFunction(@NotNull Collection<JetFile> files) {
for (JetFile file : files) {
JetNamedFunction mainFunction = findMainFunction(file.getDeclarations());
if (mainFunction != null) {
return mainFunction;
}
}
return null;
}
@Nullable
private static JetNamedFunction findMainFunction(@NotNull List<JetDeclaration> declarations) {
for (JetDeclaration declaration : declarations) {
if (declaration instanceof JetNamedFunction) {
JetNamedFunction candidateFunction = (JetNamedFunction) declaration;
if (isMain(candidateFunction)) {
return candidateFunction;
}
}
}
return null;
}
}
@@ -0,0 +1,116 @@
/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* 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 org.jetbrains.jet.plugin;
import com.intellij.util.NotNullFunction;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
import org.jetbrains.jet.lang.psi.JetDeclaration;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.psi.JetNamedFunction;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.lazy.ResolveSession;
import org.jetbrains.jet.lang.types.JetType;
import org.jetbrains.jet.lang.types.TypeProjection;
import org.jetbrains.jet.lang.types.checker.JetTypeChecker;
import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
import java.util.Collection;
import java.util.List;
public class MainFunctionDetector {
private final NotNullFunction<JetNamedFunction, FunctionDescriptor> getFunctionDescriptor;
/** Assumes that the function declaration is already resolved and the descriptor can be found in the {@code bindingContext}. */
public MainFunctionDetector(@NotNull final BindingContext bindingContext) {
this.getFunctionDescriptor = new NotNullFunction<JetNamedFunction, FunctionDescriptor>() {
@NotNull
@Override
public FunctionDescriptor fun(JetNamedFunction function) {
SimpleFunctionDescriptor functionDescriptor = bindingContext.get(BindingContext.FUNCTION, function);
if (functionDescriptor == null) {
throw new IllegalStateException("No descriptor resolved for " + function + " " + function.getText());
}
return functionDescriptor;
}
};
}
/** Uses the {@code resolveSession} to resolve the function declaration. Suitable when the function declaration is not resolved yet. */
public MainFunctionDetector(@NotNull final ResolveSession resolveSession) {
this.getFunctionDescriptor = new NotNullFunction<JetNamedFunction, FunctionDescriptor>() {
@NotNull
@Override
public FunctionDescriptor fun(JetNamedFunction function) {
return (FunctionDescriptor) resolveSession.resolveToDescriptor(function);
}
};
}
public boolean hasMain(@NotNull List<JetDeclaration> declarations) {
return findMainFunction(declarations) != null;
}
public boolean isMain(@NotNull JetNamedFunction function) {
if ("main".equals(function.getName())) {
FunctionDescriptor functionDescriptor = getFunctionDescriptor.fun(function);
List<ValueParameterDescriptor> parameters = functionDescriptor.getValueParameters();
if (parameters.size() == 1) {
ValueParameterDescriptor parameter = parameters.get(0);
JetType parameterType = parameter.getType();
KotlinBuiltIns kotlinBuiltIns = KotlinBuiltIns.getInstance();
if (kotlinBuiltIns.isArray(parameterType)) {
List<TypeProjection> typeArguments = parameterType.getArguments();
if (typeArguments.size() == 1) {
JetType typeArgument = typeArguments.get(0).getType();
if (JetTypeChecker.INSTANCE.equalTypes(typeArgument, kotlinBuiltIns.getStringType())) {
return true;
}
}
}
}
}
return false;
}
@Nullable
public JetNamedFunction getMainFunction(@NotNull Collection<JetFile> files) {
for (JetFile file : files) {
JetNamedFunction mainFunction = findMainFunction(file.getDeclarations());
if (mainFunction != null) {
return mainFunction;
}
}
return null;
}
@Nullable
private JetNamedFunction findMainFunction(@NotNull List<JetDeclaration> declarations) {
for (JetDeclaration declaration : declarations) {
if (declaration instanceof JetNamedFunction) {
JetNamedFunction candidateFunction = (JetNamedFunction) declaration;
if (isMain(candidateFunction)) {
return candidateFunction;
}
}
}
return null;
}
}
@@ -125,6 +125,16 @@ public class AntTaskTest extends KotlinIntegrationTestBase {
doJsAntTest();
}
@Test
public void k2jsWithMainFQArgs() throws Exception {
doJsAntTest();
}
@Test
public void k2jsWithMainVarargs() throws Exception {
doJsAntTest();
}
@Test
public void k2jsManySources() throws Exception {
doJsAntTest();
@@ -32,6 +32,22 @@ public class CompilerSmokeTest extends KotlinIntegrationTestBase {
runJava("hello.run", "-cp", jar, "Hello.HelloPackage");
}
@Test
public void compileAndRunHelloAppFQMain() throws Exception {
String jar = tmpdir.getTmpDir().getAbsolutePath() + File.separator + "hello.jar";
assertEquals("compilation failed", 0, runCompiler("hello.compile", "-src", "hello.kt", "-jar", jar));
runJava("hello.run", "-cp", jar, "Hello.HelloPackage");
}
@Test
public void compileAndRunHelloAppVarargMain() throws Exception {
String jar = tmpdir.getTmpDir().getAbsolutePath() + File.separator + "hello.jar";
assertEquals("compilation failed", 0, runCompiler("hello.compile", "-src", "hello.kt", "-jar", jar));
runJava("hello.run", "-cp", jar, "Hello.HelloPackage");
}
@Test
public void compileAndRunModule() throws Exception {
String jar = tmpdir.getTmpDir().getAbsolutePath() + File.separator + "smoke.jar";
@@ -0,0 +1,5 @@
package Hello
fun main(args: kotlin.Array<kotlin.String>) {
System.out.println("Hello from fully qualified main!")
}
@@ -0,0 +1,4 @@
OUT:
Hello from fully qualified main!
Return code: 0
@@ -0,0 +1,5 @@
package Hello
fun main(vararg args: kotlin.String) {
System.out.println("Hello from vararg main!")
}
@@ -0,0 +1,4 @@
OUT:
Hello from vararg main!
Return code: 0
@@ -0,0 +1,10 @@
OUT:
Buildfile: [TestData]/build.xml
build:
[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
BUILD SUCCESSFUL
Total time: [time]
Return code: 0
@@ -0,0 +1,7 @@
<project name="Ant Task Test" default="build">
<taskdef resource="org/jetbrains/jet/buildtools/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
<target name="build">
<kotlin2js src="${test.data}/root1" output="${temp}/out.js" main="call"/>
</target>
</project>
@@ -0,0 +1,9 @@
package foo
var ok = "FAIL"
fun main(args: kotlin.Array<kotlin.String>) {
ok = "OK"
}
fun box(): String = ok
@@ -0,0 +1,10 @@
OUT:
Buildfile: [TestData]/build.xml
build:
[kotlin2js] Compiling [[TestData]/root1] => [[Temp]/out.js]
BUILD SUCCESSFUL
Total time: [time]
Return code: 0
@@ -0,0 +1,7 @@
<project name="Ant Task Test" default="build">
<taskdef resource="org/jetbrains/jet/buildtools/ant/antlib.xml" classpath="${kotlin.lib}/kotlin-ant.jar"/>
<target name="build">
<kotlin2js src="${test.data}/root1" output="${temp}/out.js" main="call"/>
</target>
</project>
@@ -0,0 +1,9 @@
package foo
var ok = "FAIL"
fun main(vararg args: kotlin.String) {
ok = "OK"
}
fun box(): String = ok
@@ -39,9 +39,11 @@ import org.jdom.Element;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.psi.JetNamedFunction;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.name.FqName;
import org.jetbrains.jet.lang.resolve.name.Name;
import org.jetbrains.jet.plugin.JetMainDetector;
import org.jetbrains.jet.plugin.MainFunctionDetector;
import org.jetbrains.jet.plugin.project.AnalyzerFacadeWithCache;
import org.jetbrains.jet.plugin.stubindex.JetTopLevelFunctionsFqnNameIndex;
import java.util.*;
@@ -269,7 +271,9 @@ public class JetRunConfiguration extends ModuleBasedConfiguration<RunConfigurati
Collection<JetNamedFunction> mainFunctions = JetTopLevelFunctionsFqnNameIndex.getInstance().get(
mainFunFqName, module.getProject(), module.getModuleRuntimeScope(true));
for (JetNamedFunction function : mainFunctions) {
if (JetMainDetector.isMain(function)) {
BindingContext bindingContext = AnalyzerFacadeWithCache.getContextForElement(function);
MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(bindingContext);
if (mainFunctionDetector.isMain(function)) {
return function;
}
}
@@ -27,14 +27,18 @@ import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.analyzer.AnalyzerFacade;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.psi.JetPsiUtil;
import org.jetbrains.jet.lang.resolve.java.PackageClassUtils;
import org.jetbrains.jet.lang.resolve.lazy.ResolveSession;
import org.jetbrains.jet.lang.resolve.name.FqName;
import org.jetbrains.jet.plugin.JetMainDetector;
import org.jetbrains.jet.plugin.MainFunctionDetector;
import org.jetbrains.jet.plugin.JetPluginUtil;
import org.jetbrains.jet.plugin.project.AnalyzerFacadeProvider;
import org.jetbrains.jet.plugin.project.ProjectStructureUtil;
import java.util.Collections;
import java.util.List;
public class JetRunConfigurationProducer extends RuntimeConfigurationProducer implements Cloneable {
@@ -79,7 +83,10 @@ public class JetRunConfigurationProducer extends RuntimeConfigurationProducer im
PsiFile psiFile = location.getPsiElement().getContainingFile();
if (psiFile instanceof JetFile) {
JetFile jetFile = (JetFile) psiFile;
if (JetMainDetector.hasMain(jetFile.getDeclarations())) {
AnalyzerFacade analyzerFacade = AnalyzerFacadeProvider.getAnalyzerFacadeForFile(jetFile);
ResolveSession resolveSession = analyzerFacade.getLazyResolveSession(jetFile.getProject(), Collections.singleton(jetFile));
MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(resolveSession);
if (mainFunctionDetector.hasMain(jetFile.getDeclarations())) {
return jetFile;
}
}
@@ -25,6 +25,7 @@ import org.jetbrains.jet.lang.psi.JetExpression;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.psi.JetNamedFunction;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.plugin.MainFunctionDetector;
import org.jetbrains.k2js.config.Config;
import org.jetbrains.k2js.facade.MainCallParameters;
import org.jetbrains.k2js.facade.exceptions.MainFunctionNotFoundException;
@@ -49,7 +50,6 @@ import java.util.Collection;
import java.util.Collections;
import java.util.List;
import static org.jetbrains.jet.plugin.JetMainDetector.getMainFunction;
import static org.jetbrains.k2js.translate.utils.BindingUtils.getFunctionDescriptor;
import static org.jetbrains.k2js.translate.utils.JsAstUtils.*;
import static org.jetbrains.k2js.translate.utils.dangerous.DangerousData.collect;
@@ -170,7 +170,8 @@ public final class Translation {
@Nullable
private static JsStatement generateCallToMain(@NotNull TranslationContext context, @NotNull Collection<JetFile> files,
@NotNull List<String> arguments) throws MainFunctionNotFoundException {
JetNamedFunction mainFunction = getMainFunction(files);
MainFunctionDetector mainFunctionDetector = new MainFunctionDetector(context.bindingContext());
JetNamedFunction mainFunction = mainFunctionDetector.getMainFunction(files);
if (mainFunction == null) {
return null;
}