1 /*
2 * Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @modules java.base/java.lang.reflect.code.parser
27 * @run testng TestParse
28 */
29
30 import org.testng.Assert;
31 import org.testng.annotations.Test;
32
33 import java.lang.reflect.code.Block;
34 import java.lang.reflect.code.op.CoreOp;
35 import java.lang.reflect.code.Op;
36 import java.lang.reflect.code.type.MethodRef;
37 import java.lang.reflect.code.parser.OpParser;
38 import java.util.List;
39 import java.util.function.IntUnaryOperator;
40
41 import static java.lang.reflect.code.op.CoreOp._return;
42 import static java.lang.reflect.code.op.CoreOp.add;
43 import static java.lang.reflect.code.op.CoreOp.constant;
44 import static java.lang.reflect.code.op.CoreOp.func;
45 import static java.lang.reflect.code.op.CoreOp.lambda;
46 import static java.lang.reflect.code.type.FunctionType.functionType;
47 import static java.lang.reflect.code.type.JavaType.INT;
48 import static java.lang.reflect.code.type.JavaType.type;
49
50 public class TestParse {
51
52 static final MethodRef INT_UNARY_OPERATOR_METHOD = MethodRef.method(
53 IntUnaryOperator.class, "applyAsInt",
54 int.class, int.class);
55
56 @Test
57 public void testParseLambdaOp() {
58 // functional type = (int)int
59 CoreOp.FuncOp f = func("f", functionType(INT, INT))
60 .body(block -> {
61 Block.Parameter i = block.parameters().get(0);
62
63 // functional type = (int)int
64 // op type = ()IntUnaryOperator
65 // captures i
66 CoreOp.LambdaOp lambda = lambda(block.parentBody(),
67 functionType(INT, INT), type(IntUnaryOperator.class))
68 .body(lbody -> {
69 Block.Builder lblock = lbody.entryBlock();
70 Block.Parameter li = lblock.parameters().get(0);
71
72 lblock.op(_return(
73 lblock.op(add(i, li))));
74 });
75
76 Op.Result fi = block.op(lambda);
77 Op.Result fortyTwo = block.op(constant(INT, 42));
78 Op.Result or = block.op(CoreOp.invoke(INT_UNARY_OPERATOR_METHOD, fi, fortyTwo));
79 block.op(_return(or));
80 });
81
82 List<Op> ops = OpParser.fromString(CoreOp.FACTORY, f.toText());
83 assertTextEquals(f, ops.get(0));
84 }
85
86
87 static final String NAMED_BODY = """
88 func @"test" ^body1(%0 : int, %1 : int)int -> {
89 %2 : int = constant @"5";
90 %3 : int = constant @"2";
91 branch ^b1(%2, %3);
92
93 ^b1(%0 : int, %1 : int):
94 return %0;
95 };
96 """;
97 @Test
98 void testParseNamedBody() {
99 Op opE = OpParser.fromString(CoreOp.FACTORY, NAMED_BODY).get(0);
100 Op opA = OpParser.fromString(CoreOp.FACTORY, opE.toText()).get(0);
101 assertTextEquals(opA, opE);
102 }
103
104
105 static final String ESCAPED_STRING = """
106 func @"test" ()String -> {
107 %0 : java.lang.String = constant @"\\b \\f \\n \\r \\t \\' \\" \\\\";
108 return %0;
109 };
110 """;
111 @Test
112 void testEscapedString() {
113 Op opE = OpParser.fromString(CoreOp.FACTORY, ESCAPED_STRING).get(0);
114 Op opA = OpParser.fromString(CoreOp.FACTORY, opE.toText()).get(0);
115 assertTextEquals(opA, opE);
116
117 CoreOp.ConstantOp cop = (CoreOp.ConstantOp) opE.bodies().get(0).entryBlock().firstOp();
118 String v = (String) cop.value();
119 Assert.assertEquals(v, "\b \f \n \r \t \' \" \\");
120 }
121
122 static void assertTextEquals(Op a, Op b) {
123 Assert.assertEquals(a.toText(), b.toText());
124 }
125 }