| /******************************************************************************* |
| * Copyright (c) 2005, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * Rational Software - initial implementation |
| *******************************************************************************/ |
| package org.eclipse.cdt.core.parser.tests.ast2; |
| |
| import org.eclipse.cdt.core.dom.ast.IASTCastExpression; |
| import org.eclipse.cdt.core.dom.ast.IASTCompoundStatement; |
| import org.eclipse.cdt.core.dom.ast.IASTDeclaration; |
| import org.eclipse.cdt.core.dom.ast.IASTEqualsInitializer; |
| import org.eclipse.cdt.core.dom.ast.IASTFunctionDefinition; |
| import org.eclipse.cdt.core.dom.ast.IASTReturnStatement; |
| import org.eclipse.cdt.core.dom.ast.IASTSimpleDeclaration; |
| import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit; |
| import org.eclipse.cdt.core.dom.ast.IASTTypeIdExpression; |
| import org.eclipse.cdt.core.dom.ast.IFunction; |
| import org.eclipse.cdt.core.parser.ParserLanguage; |
| import org.eclipse.cdt.internal.core.model.ASTStringUtil; |
| import org.eclipse.cdt.internal.core.parser.scanner.ExpressionEvaluator; |
| |
| /** |
| * @author dsteffle |
| */ |
| public class AST2UtilTests extends AST2TestBase { |
| public AST2UtilTests() { |
| } |
| |
| public AST2UtilTests(String name) { |
| super(name); |
| } |
| |
| public void testSimpleSignature() throws Exception { |
| StringBuilder buff = new StringBuilder(); |
| buff.append("int l, m, n=0;\n"); //$NON-NLS-1$ |
| buff.append("int j = l ? m : n;\n"); //$NON-NLS-1$ |
| buff.append("int i = l^m;\n"); //$NON-NLS-1$ |
| buff.append("int g = i<<=j;\n"); //$NON-NLS-1$ |
| buff.append("int f = sizeof( int );\n"); //$NON-NLS-1$ |
| buff.append("int e = ~f;\n"); //$NON-NLS-1$ |
| buff.append("int d = ++e;\n"); //$NON-NLS-1$ |
| buff.append("int b = d++;\n"); //$NON-NLS-1$ |
| buff.append("int c = sizeof b;\n"); //$NON-NLS-1$ |
| buff.append("int a = b + c;\n"); //$NON-NLS-1$ |
| |
| IASTTranslationUnit tu = parse(buff.toString(), ParserLanguage.C); |
| IASTDeclaration[] d = tu.getDeclarations(); |
| |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[0]).getDeclarators()[2].getInitializer()) |
| .getInitializerClause(), |
| "0"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[1]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "l ? m : n"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[2]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "l ^ m"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[3]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "i <<= j"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[4]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "sizeof(int)"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[5]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "~f"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[6]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "++e"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[7]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "d++"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[8]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "sizeof b"); //$NON-NLS-1$ |
| isExpressionStringEqual( |
| ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[9]).getDeclarators()[0].getInitializer()) |
| .getInitializerClause(), |
| "b + c"); //$NON-NLS-1$ |
| } |
| |
| public void testSimpleParameter() throws Exception { |
| StringBuilder buff = new StringBuilder(); |
| buff.append("int a(int x);\n"); //$NON-NLS-1$ |
| buff.append("int * b(char y, int x);\n"); //$NON-NLS-1$ |
| buff.append("void c(int * z, float **b);\n"); //$NON-NLS-1$ |
| buff.append("static int d(int a[restrict]);\n"); //$NON-NLS-1$ |
| buff.append("void e(const char* const);\n"); //$NON-NLS-1$ |
| |
| IASTTranslationUnit tu = parse(buff.toString(), ParserLanguage.C); |
| IASTDeclaration[] d = tu.getDeclarations(); |
| |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[0]).getDeclarators()[0], "(int)"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[1]).getDeclarators()[0], "(char, int)"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[2]).getDeclarators()[0], "(int*, float**)"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[3]).getDeclarators()[0], "(int[])"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[4]).getDeclarators()[0], "(const char* const)"); //$NON-NLS-1$ |
| |
| isSignatureEqual(((IASTSimpleDeclaration) d[0]).getDeclarators()[0], "int(int)"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[1]).getDeclarators()[0], "int*(char, int)"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[2]).getDeclarators()[0], "void(int*, float**)"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[3]).getDeclarators()[0], "int(int[])"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[4]).getDeclarators()[0], "void(const char* const)"); //$NON-NLS-1$ |
| |
| isSignatureEqual(((IASTSimpleDeclaration) d[0]).getDeclSpecifier(), "int"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[1]).getDeclSpecifier(), "int"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[2]).getDeclSpecifier(), "void"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[3]).getDeclSpecifier(), "int"); //$NON-NLS-1$ |
| isSignatureEqual(((IASTSimpleDeclaration) d[4]).getDeclSpecifier(), "void"); //$NON-NLS-1$ |
| |
| isTypeEqual(((IASTSimpleDeclaration) d[0]).getDeclarators()[0], "int (int)"); //$NON-NLS-1$ |
| isTypeEqual(((IASTSimpleDeclaration) d[1]).getDeclarators()[0], "int * (char, int)"); //$NON-NLS-1$ |
| isTypeEqual(((IASTSimpleDeclaration) d[2]).getDeclarators()[0], "void (int *, float * *)"); //$NON-NLS-1$ |
| isTypeEqual(((IASTSimpleDeclaration) d[3]).getDeclarators()[0], "int (int * restrict)"); //$NON-NLS-1$ |
| isTypeEqual(((IASTSimpleDeclaration) d[4]).getDeclarators()[0], "void (const char * const)"); //$NON-NLS-1$ |
| |
| isTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[0]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "int (int)"); //$NON-NLS-1$ |
| isTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[1]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "int * (char, int)"); //$NON-NLS-1$ |
| isTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[2]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "void (int *, float * *)"); //$NON-NLS-1$ |
| isTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[3]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "int (int * restrict)"); //$NON-NLS-1$ |
| isTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[4]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "void (const char * const)"); //$NON-NLS-1$ |
| |
| isParameterTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[0]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "(int)"); //$NON-NLS-1$ |
| isParameterTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[1]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "(char, int)"); //$NON-NLS-1$ |
| isParameterTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[2]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "(int *, float * *)"); //$NON-NLS-1$ |
| isParameterTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[3]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "(int * restrict)"); //$NON-NLS-1$ |
| isParameterTypeEqual( |
| ((IFunction) ((IASTSimpleDeclaration) d[4]).getDeclarators()[0].getName().resolveBinding()).getType(), |
| "(const char * const)"); //$NON-NLS-1$ |
| } |
| |
| public void testSimpleCParameterSignature() throws Exception { |
| StringBuilder buff = new StringBuilder(); |
| buff.append("int a(int x);\n"); //$NON-NLS-1$ |
| buff.append("int * b(char y, int x);\n"); //$NON-NLS-1$ |
| buff.append("void c(int * z, float **b);\n"); //$NON-NLS-1$ |
| buff.append("static int d(int a[restrict]);\n"); //$NON-NLS-1$ |
| |
| IASTTranslationUnit tu = parse(buff.toString(), ParserLanguage.C); |
| IASTDeclaration[] d = tu.getDeclarations(); |
| |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[0]).getDeclarators()[0], "(int)"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[1]).getDeclarators()[0], "(char, int)"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[2]).getDeclarators()[0], "(int*, float**)"); //$NON-NLS-1$ |
| isParameterSignatureEqual(((IASTSimpleDeclaration) d[3]).getDeclarators()[0], "(int[])"); //$NON-NLS-1$ |
| } |
| |
| public void testSimpleTypeId() throws Exception { |
| StringBuilder buff = new StringBuilder(); |
| buff.append("int x = sizeof( int );\n"); //$NON-NLS-1$ |
| buff.append("union Squaw { int x; double u; };\n"); //$NON-NLS-1$ |
| buff.append("int main(int argc, char **argv) {\n"); //$NON-NLS-1$ |
| buff.append("return sizeof( union Squaw );\n}\n"); //$NON-NLS-1$ |
| buff.append("typedef short Z; typedef Z jc;\n"); //$NON-NLS-1$ |
| buff.append("int y = 4;\n"); //$NON-NLS-1$ |
| buff.append("jc myJc = (jc)y;\n"); //$NON-NLS-1$ |
| |
| IASTTranslationUnit tu = parse(buff.toString(), ParserLanguage.C); |
| IASTDeclaration[] d = tu.getDeclarations(); |
| |
| // verify signatures |
| isSignatureEqual( |
| ((IASTTypeIdExpression) ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[0]).getDeclarators()[0] |
| .getInitializer()).getInitializerClause()).getTypeId(), |
| "int"); //$NON-NLS-1$ |
| isSignatureEqual( |
| ((IASTTypeIdExpression) ((IASTReturnStatement) ((IASTCompoundStatement) ((IASTFunctionDefinition) d[2]) |
| .getBody()).getStatements()[0]).getReturnValue()).getTypeId(), |
| "union Squaw"); //$NON-NLS-1$ |
| isSignatureEqual( |
| ((IASTCastExpression) ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[6]).getDeclarators()[0] |
| .getInitializer()).getInitializerClause()).getTypeId(), |
| "jc"); //$NON-NLS-1$ |
| |
| // verify types |
| isTypeEqual(((IASTTypeIdExpression) ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[0]).getDeclarators()[0] |
| .getInitializer()).getInitializerClause()).getTypeId(), "int"); //$NON-NLS-1$ |
| isTypeEqual( |
| ((IASTTypeIdExpression) ((IASTReturnStatement) ((IASTCompoundStatement) ((IASTFunctionDefinition) d[2]) |
| .getBody()).getStatements()[0]).getReturnValue()).getTypeId(), |
| "Squaw"); //$NON-NLS-1$ |
| isTypeEqual(((IASTCastExpression) ((IASTEqualsInitializer) ((IASTSimpleDeclaration) d[6]).getDeclarators()[0] |
| .getInitializer()).getInitializerClause()).getTypeId(), "short int"); //$NON-NLS-1$ |
| } |
| |
| public void testKnRC() throws Exception { |
| StringBuilder buff = new StringBuilder(); |
| buff.append("int foo(x, y) char x; int y; {}\n"); //$NON-NLS-1$ |
| buff.append("int foo2(char x, int y) {}\n"); //$NON-NLS-1$ |
| |
| IASTTranslationUnit tu = parse(buff.toString(), ParserLanguage.C, true); |
| IASTDeclaration[] d = tu.getDeclarations(); |
| |
| String fooSignature = ASTStringUtil.getSignatureString(((IASTFunctionDefinition) d[0]).getDeclarator()); |
| String foo2Signature = ASTStringUtil.getSignatureString(((IASTFunctionDefinition) d[1]).getDeclarator()); |
| |
| assertEquals(fooSignature, foo2Signature); |
| } |
| |
| public void testParseIntegral() throws Exception { |
| assertEquals(0, ExpressionEvaluator.getNumber("0".toCharArray())); |
| assertEquals(0, ExpressionEvaluator.getNumber("0x0".toCharArray())); |
| assertEquals(0, ExpressionEvaluator.getNumber("00".toCharArray())); |
| assertEquals(0, ExpressionEvaluator.getNumber("000".toCharArray())); |
| assertEquals(0, ExpressionEvaluator.getNumber("0L".toCharArray())); |
| assertEquals(0, ExpressionEvaluator.getNumber("0LL".toCharArray())); |
| |
| assertEquals(1, ExpressionEvaluator.getNumber("1".toCharArray())); |
| assertEquals(1, ExpressionEvaluator.getNumber("01".toCharArray())); |
| assertEquals(1, ExpressionEvaluator.getNumber("0x1".toCharArray())); |
| |
| assertEquals(10, ExpressionEvaluator.getNumber("10".toCharArray())); |
| assertEquals(8, ExpressionEvaluator.getNumber("010".toCharArray())); |
| assertEquals(16, ExpressionEvaluator.getNumber("0x10".toCharArray())); |
| |
| assertEquals(10, ExpressionEvaluator.getNumber("10LLL".toCharArray())); |
| assertEquals(8, ExpressionEvaluator.getNumber("010LLL".toCharArray())); |
| assertEquals(16, ExpressionEvaluator.getNumber("0x10LLL".toCharArray())); |
| } |
| } |
