added a check for variables hiding global invocations

src/main/java/org/jsweet/transpiler/JSweetProblem.java

@@ -81,6 +81,10 @@ public enum JSweetProblem {
 	 * defined in superclasses.
 	 */
 	FIELD_CONFLICTS_METHOD(Severity.ERROR),
+	/**
+	 * Raised when a method invocation is hidden by a local variable or parameter.
+	 */
+	HIDDEN_INVOCATION(Severity.ERROR),
 	/**
 	 * Raised when an inner class is found.
 	 */
@@ -298,6 +302,8 @@ public enum JSweetProblem {
 			return String.format("synchronization is not allowed in JSweet", params);
 		case METHOD_CONFLICTS_FIELD:
 			return String.format("method %s has the same name as a field in %s", params);
+		case HIDDEN_INVOCATION:
+			return String.format("invocation of '%s' is hidden by a local variable", params);
 		case FIELD_CONFLICTS_METHOD:
 			return String.format("field %s has the same name as a method in %s", params);
 		case INNER_CLASS:

src/main/java/org/jsweet/transpiler/typescript/Java2TypeScriptTranslator.java

@@ -1075,6 +1075,13 @@ public class Java2TypeScriptTranslator extends AbstractTreePrinter {
 				} else {
 					JCFieldAccess staticFieldAccess = (JCFieldAccess) staticImport.qualid;
 					methSym = Util.findMethodDeclarationInType(context.types, staticFieldAccess.selected.type.tsym, methName, type);
+					if (methSym != null) {
+						Map<String, VarSymbol> vars = new HashMap<>();
+						Util.fillAllVariablesInScope(vars, getStack(), inv, getParent(JCMethodDecl.class));
+						if(vars.containsKey(methSym.getSimpleName().toString())) {
+							report(inv, JSweetProblem.HIDDEN_INVOCATION, methSym.getSimpleName());
+						}
+					}
 					// staticImported = true;
 					if (JSweetConfig.TS_STRICT_MODE_KEYWORDS.contains(methName.toLowerCase())) {
 						// if method is a reserved TS keyword, no "static

src/main/java/org/jsweet/transpiler/util/Util.java

@@ -260,6 +260,11 @@ public class Util {
 		case ENHANCED_FOR_LOOP:
 			putVar(vars, ((JCEnhancedForLoop) parent).var.sym);
 			break;
+		case METHOD:
+			for(JCVariableDecl var : ((JCMethodDecl)parent).params) {
+				putVar(vars, var.sym);
+			}
+			break;
 		default:
 
 		}

src/test/java/org/jsweet/test/transpiler/StructuralTests.java

@@ -39,6 +39,7 @@ import source.structural.Inheritance;
 import source.structural.InnerClass;
 import source.structural.Name;
 import source.structural.NameClashes;
+import source.structural.NameClashesWithMethodInvocations;
 import source.structural.NoInstanceofForInterfaces;
 import source.structural.NoWildcardsInImports;
 import source.structural.TwoClassesInSameFile;
@@ -65,6 +66,13 @@ public class StructuralTests extends AbstractTest {
 		} , getSourceFile(NameClashes.class));
 	}
 
+	@Test
+	public void testVariableMethodNameClashes() {
+		transpile(logHandler -> {
+			logHandler.assertReportedProblems(JSweetProblem.HIDDEN_INVOCATION, JSweetProblem.HIDDEN_INVOCATION);
+		} , getSourceFile(NameClashesWithMethodInvocations.class));
+	}
+
 	@Test
 	public void testTwoClassesInSameFile() {
 		transpile(logHandler -> {
@@ -203,8 +211,7 @@ public class StructuralTests extends AbstractTest {
 			Assert.assertEquals("invoked", r.get("test"));
 			Assert.assertEquals("invoked1_2", r.get("Static"));
 			Assert.assertEquals("invoked1_2", r.get("test2"));
-		} , getSourceFile(Globals.class), getSourceFile(source.structural.globalclasses.e.Globals.class),
-				getSourceFile(GlobalFunctionAccessFromMain.class));
+		} , getSourceFile(Globals.class), getSourceFile(source.structural.globalclasses.e.Globals.class), getSourceFile(GlobalFunctionAccessFromMain.class));
 	}
 
 	@Test
@@ -220,7 +227,7 @@ public class StructuralTests extends AbstractTest {
 			logHandler.assertReportedProblems();
 		} , getSourceFile(Name.class));
 	}
-	
+
 	@Test
 	public void testAutoImportClassesInSamePackage() {
 		eval((logHandler, r) -> {

src/test/java/source/structural/NameClashesWithMethodInvocations.java

@@ -0,0 +1,41 @@
+/* 
+ * JSweet - http://www.jsweet.org
+ * Copyright (C) 2015 CINCHEO SAS <renaud.pawlak@cincheo.fr>
+ * 
+ * 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 source.structural;
+
+import static jsweet.dom.Globals.alert;
+
+public class NameClashesWithMethodInvocations {
+
+	public void m1(boolean alert) {
+		// name clash between parameter and method call
+		alert("test");
+	}
+
+	public void m2() {
+		// name clash between local variable and method call
+		String alert = "test";
+		alert(alert);
+	}
+
+	public void m3() {
+		// name clash between local variable and method call
+		@SuppressWarnings("unused")
+		String m2 = "test";
+		m2();
+	}
+	
+}