nashorn/samples/stack.js
changeset 26067 b32ccc3a76c9
parent 24283 bda887c0088a
equal deleted inserted replaced
26066:0665ee3822e0 26067:b32ccc3a76c9
     1 /*
     1 /*
     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     2  * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     3  * 
     3  *
     4  * Redistribution and use in source and binary forms, with or without
     4  * Redistribution and use in source and binary forms, with or without
     5  * modification, are permitted provided that the following conditions
     5  * modification, are permitted provided that the following conditions
     6  * are met:
     6  * are met:
     7  * 
     7  *
     8  *   - Redistributions of source code must retain the above copyright
     8  *   - Redistributions of source code must retain the above copyright
     9  *     notice, this list of conditions and the following disclaimer.
     9  *     notice, this list of conditions and the following disclaimer.
    10  * 
    10  *
    11  *   - Redistributions in binary form must reproduce the above copyright
    11  *   - Redistributions in binary form must reproduce the above copyright
    12  *     notice, this list of conditions and the following disclaimer in the
    12  *     notice, this list of conditions and the following disclaimer in the
    13  *     documentation and/or other materials provided with the distribution.
    13  *     documentation and/or other materials provided with the distribution.
    14  * 
    14  *
    15  *   - Neither the name of Oracle nor the names of its
    15  *   - Neither the name of Oracle nor the names of its
    16  *     contributors may be used to endorse or promote products derived
    16  *     contributors may be used to endorse or promote products derived
    17  *     from this software without specific prior written permission.
    17  *     from this software without specific prior written permission.
    18  * 
    18  *
    19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
    19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
    20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    20  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
    21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    21  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
    22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
    23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    23  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    31 
    31 
    32 // nashorn supports 'stack' property on ECMAScript
    32 // nashorn supports 'stack' property on ECMAScript
    33 // error objects. This property's value is a string
    33 // error objects. This property's value is a string
    34 // that shows script stack trace.
    34 // that shows script stack trace.
    35 
    35 
    36 function g() { 
    36 function g() {
    37     throw new Error("wrong");
    37     throw new Error("wrong");
    38 }
    38 }
    39 
    39 
    40 function f() {
    40 function f() {
    41     g();
    41     g();
    42 }
    42 }
    43 
    43 
    44 // Output looks something like:
    44 // Output looks something like:
    45 //
    45 //
    46 //  Error: wrong
    46 //  Error: wrong
    47 //	at g (stack.js:37)
    47 //    at g (stack.js:37)
    48 //	at f (stack.js:41)
    48 //    at f (stack.js:41)
    49 //	at <program> (stack.js:52)
    49 //    at <program> (stack.js:52)
    50 
    50 
    51 try {
    51 try {
    52    f();
    52    f();
    53 } catch (e) {
    53 } catch (e) {
    54    print(e.stack);
    54    print(e.stack);