| <html lang="en"> |
| <head> |
| <title>Nested Procedures - STABS</title> |
| <meta http-equiv="Content-Type" content="text/html"> |
| <meta name="description" content="STABS"> |
| <meta name="generator" content="makeinfo 4.13"> |
| <link title="Top" rel="start" href="index.html#Top"> |
| <link rel="up" href="Program-Structure.html#Program-Structure" title="Program Structure"> |
| <link rel="prev" href="Procedures.html#Procedures" title="Procedures"> |
| <link rel="next" href="Block-Structure.html#Block-Structure" title="Block Structure"> |
| <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> |
| <!-- |
| Copyright (C) 1992-2019 Free Software Foundation, Inc. |
| Contributed by Cygnus Support. Written by Julia Menapace, Jim Kingdon, |
| and David MacKenzie. |
| |
| Permission is granted to copy, distribute and/or modify this document |
| under the terms of the GNU Free Documentation License, Version 1.3 or |
| any later version published by the Free Software Foundation; with no |
| Invariant Sections, with no Front-Cover Texts, and with no Back-Cover |
| Texts. A copy of the license is included in the section entitled ``GNU |
| Free Documentation License''.--> |
| <meta http-equiv="Content-Style-Type" content="text/css"> |
| <style type="text/css"><!-- |
| pre.display { font-family:inherit } |
| pre.format { font-family:inherit } |
| pre.smalldisplay { font-family:inherit; font-size:smaller } |
| pre.smallformat { font-family:inherit; font-size:smaller } |
| pre.smallexample { font-size:smaller } |
| pre.smalllisp { font-size:smaller } |
| span.sc { font-variant:small-caps } |
| span.roman { font-family:serif; font-weight:normal; } |
| span.sansserif { font-family:sans-serif; font-weight:normal; } |
| --></style> |
| </head> |
| <body> |
| <div class="node"> |
| <a name="Nested-Procedures"></a> |
| <p> |
| Next: <a rel="next" accesskey="n" href="Block-Structure.html#Block-Structure">Block Structure</a>, |
| Previous: <a rel="previous" accesskey="p" href="Procedures.html#Procedures">Procedures</a>, |
| Up: <a rel="up" accesskey="u" href="Program-Structure.html#Program-Structure">Program Structure</a> |
| <hr> |
| </div> |
| |
| <h3 class="section">2.6 Nested Procedures</h3> |
| |
| <p>For any of the symbol descriptors representing procedures, after the |
| symbol descriptor and the type information is optionally a scope |
| specifier. This consists of a comma, the name of the procedure, another |
| comma, and the name of the enclosing procedure. The first name is local |
| to the scope specified, and seems to be redundant with the name of the |
| symbol (before the ‘<samp><span class="samp">:</span></samp>’). This feature is used by GCC, and |
| presumably Pascal, Modula-2, etc., compilers, for nested functions. |
| |
| <p>If procedures are nested more than one level deep, only the immediately |
| containing scope is specified. For example, this code: |
| |
| <pre class="example"> int |
| foo (int x) |
| { |
| int bar (int y) |
| { |
| int baz (int z) |
| { |
| return x + y + z; |
| } |
| return baz (x + 2 * y); |
| } |
| return x + bar (3 * x); |
| } |
| </pre> |
| <p class="noindent">produces the stabs: |
| |
| <pre class="example"> .stabs "baz:f1,baz,bar",36,0,0,_baz.15 # <span class="roman">36 is N_FUN</span> |
| .stabs "bar:f1,bar,foo",36,0,0,_bar.12 |
| .stabs "foo:F1",36,0,0,_foo |
| </pre> |
| </body></html> |
| |
