1655 lines
165 KiB
HTML
1655 lines
165 KiB
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<title>LCOV - cov-sh.info - bash-4.4.23/expr.c</title>
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<tr><td class="title">LCOV - code coverage report</td></tr>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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<td width="10%" class="headerItem">Current view:</td>
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<td width="35%" class="headerValue"><a href="../index.html">top level</a> - <a href="index.html">bash-4.4.23</a> - expr.c<span style="font-size: 80%;"> (source / <a href="expr.c.func-sort-c.html">functions</a>)</span></td>
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<td width="5%"></td>
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<td width="15%"></td>
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<td width="10%" class="headerCovTableHead">Hit</td>
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<td width="10%" class="headerCovTableHead">Total</td>
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<td width="15%" class="headerCovTableHead">Coverage</td>
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</tr>
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<tr>
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<td class="headerItem">Test:</td>
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<td class="headerValue">cov-sh.info</td>
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<td></td>
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<td class="headerItem">Lines:</td>
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<td class="headerCovTableEntry">327</td>
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<td class="headerCovTableEntry">606</td>
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<td class="headerCovTableEntryLo">54.0 %</td>
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</tr>
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<tr>
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<td class="headerItem">Date:</td>
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<td class="headerValue">2020-10-29 14:49:55</td>
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<td></td>
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<td class="headerItem">Functions:</td>
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<td class="headerCovTableEntry">26</td>
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<td class="headerCovTableEntry">28</td>
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<td class="headerCovTableEntryHi">92.9 %</td>
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</tr>
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<tr><td><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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</tr>
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<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
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</table>
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<table cellpadding=0 cellspacing=0 border=0>
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<tr>
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<td><br></td>
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</tr>
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<tr>
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<td>
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<pre class="sourceHeading"> Line data Source code</pre>
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<pre class="source">
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<a name="1"><span class="lineNum"> 1 </span> : /* expr.c -- arithmetic expression evaluation. */</a>
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<a name="2"><span class="lineNum"> 2 </span> : </a>
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<a name="3"><span class="lineNum"> 3 </span> : /* Copyright (C) 1990-2015 Free Software Foundation, Inc.</a>
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<a name="4"><span class="lineNum"> 4 </span> : </a>
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<a name="5"><span class="lineNum"> 5 </span> : This file is part of GNU Bash, the Bourne Again SHell.</a>
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<a name="6"><span class="lineNum"> 6 </span> : </a>
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<a name="7"><span class="lineNum"> 7 </span> : Bash is free software: you can redistribute it and/or modify</a>
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<a name="8"><span class="lineNum"> 8 </span> : it under the terms of the GNU General Public License as published by</a>
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<a name="9"><span class="lineNum"> 9 </span> : the Free Software Foundation, either version 3 of the License, or</a>
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<a name="10"><span class="lineNum"> 10 </span> : (at your option) any later version.</a>
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<a name="11"><span class="lineNum"> 11 </span> : </a>
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<a name="12"><span class="lineNum"> 12 </span> : Bash is distributed in the hope that it will be useful,</a>
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<a name="13"><span class="lineNum"> 13 </span> : but WITHOUT ANY WARRANTY; without even the implied warranty of</a>
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<a name="14"><span class="lineNum"> 14 </span> : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</a>
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<a name="15"><span class="lineNum"> 15 </span> : GNU General Public License for more details.</a>
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<a name="16"><span class="lineNum"> 16 </span> : </a>
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<a name="17"><span class="lineNum"> 17 </span> : You should have received a copy of the GNU General Public License</a>
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<a name="18"><span class="lineNum"> 18 </span> : along with Bash. If not, see <http://www.gnu.org/licenses/>.</a>
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<a name="19"><span class="lineNum"> 19 </span> : */</a>
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<a name="20"><span class="lineNum"> 20 </span> : </a>
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<a name="21"><span class="lineNum"> 21 </span> : /*</a>
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<a name="22"><span class="lineNum"> 22 </span> : All arithmetic is done as intmax_t integers with no checking for overflow</a>
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<a name="23"><span class="lineNum"> 23 </span> : (though division by 0 is caught and flagged as an error).</a>
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<a name="24"><span class="lineNum"> 24 </span> : </a>
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<a name="25"><span class="lineNum"> 25 </span> : The following operators are handled, grouped into a set of levels in</a>
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<a name="26"><span class="lineNum"> 26 </span> : order of decreasing precedence.</a>
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<a name="27"><span class="lineNum"> 27 </span> : </a>
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<a name="28"><span class="lineNum"> 28 </span> : "id++", "id--" [post-increment and post-decrement]</a>
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<a name="29"><span class="lineNum"> 29 </span> : "++id", "--id" [pre-increment and pre-decrement]</a>
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<a name="30"><span class="lineNum"> 30 </span> : "-", "+" [(unary operators)]</a>
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<a name="31"><span class="lineNum"> 31 </span> : "!", "~"</a>
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<a name="32"><span class="lineNum"> 32 </span> : "**" [(exponentiation)]</a>
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<a name="33"><span class="lineNum"> 33 </span> : "*", "/", "%"</a>
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<a name="34"><span class="lineNum"> 34 </span> : "+", "-"</a>
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<a name="35"><span class="lineNum"> 35 </span> : "<<", ">>"</a>
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<a name="36"><span class="lineNum"> 36 </span> : "<=", ">=", "<", ">"</a>
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<a name="37"><span class="lineNum"> 37 </span> : "==", "!="</a>
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<a name="38"><span class="lineNum"> 38 </span> : "&"</a>
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<a name="39"><span class="lineNum"> 39 </span> : "^"</a>
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<a name="40"><span class="lineNum"> 40 </span> : "|"</a>
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<a name="41"><span class="lineNum"> 41 </span> : "&&"</a>
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<a name="42"><span class="lineNum"> 42 </span> : "||"</a>
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<a name="43"><span class="lineNum"> 43 </span> : "expr ? expr : expr"</a>
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<a name="44"><span class="lineNum"> 44 </span> : "=", "*=", "/=", "%=", "+=", "-=", "<<=", ">>=", "&=", "^=", "|="</a>
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<a name="45"><span class="lineNum"> 45 </span> : , [comma]</a>
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<a name="46"><span class="lineNum"> 46 </span> : </a>
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<a name="47"><span class="lineNum"> 47 </span> : (Note that most of these operators have special meaning to bash, and an</a>
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<a name="48"><span class="lineNum"> 48 </span> : entire expression should be quoted, e.g. "a=$a+1" or "a=a+1" to ensure</a>
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<a name="49"><span class="lineNum"> 49 </span> : that it is passed intact to the evaluator when using `let'. When using</a>
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<a name="50"><span class="lineNum"> 50 </span> : the $[] or $(( )) forms, the text between the `[' and `]' or `((' and `))'</a>
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<a name="51"><span class="lineNum"> 51 </span> : is treated as if in double quotes.)</a>
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<a name="52"><span class="lineNum"> 52 </span> : </a>
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<a name="53"><span class="lineNum"> 53 </span> : Sub-expressions within parentheses have a precedence level greater than</a>
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<a name="54"><span class="lineNum"> 54 </span> : all of the above levels and are evaluated first. Within a single prece-</a>
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<a name="55"><span class="lineNum"> 55 </span> : dence group, evaluation is left-to-right, except for the arithmetic</a>
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<a name="56"><span class="lineNum"> 56 </span> : assignment operator (`='), which is evaluated right-to-left (as in C).</a>
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<a name="57"><span class="lineNum"> 57 </span> : </a>
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<a name="58"><span class="lineNum"> 58 </span> : The expression evaluator returns the value of the expression (assignment</a>
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<a name="59"><span class="lineNum"> 59 </span> : statements have as a value what is returned by the RHS). The `let'</a>
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<a name="60"><span class="lineNum"> 60 </span> : builtin, on the other hand, returns 0 if the last expression evaluates to</a>
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<a name="61"><span class="lineNum"> 61 </span> : a non-zero, and 1 otherwise.</a>
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<a name="62"><span class="lineNum"> 62 </span> : </a>
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<a name="63"><span class="lineNum"> 63 </span> : Implementation is a recursive-descent parser.</a>
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<a name="64"><span class="lineNum"> 64 </span> : </a>
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<a name="65"><span class="lineNum"> 65 </span> : Chet Ramey</a>
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<a name="66"><span class="lineNum"> 66 </span> : chet@po.cwru.edu</a>
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<a name="67"><span class="lineNum"> 67 </span> : */</a>
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<a name="68"><span class="lineNum"> 68 </span> : </a>
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<a name="69"><span class="lineNum"> 69 </span> : #include "config.h"</a>
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<a name="70"><span class="lineNum"> 70 </span> : </a>
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<a name="71"><span class="lineNum"> 71 </span> : #include <stdio.h></a>
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<a name="72"><span class="lineNum"> 72 </span> : #include "bashansi.h"</a>
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<a name="73"><span class="lineNum"> 73 </span> : </a>
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<a name="74"><span class="lineNum"> 74 </span> : #if defined (HAVE_UNISTD_H)</a>
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<a name="75"><span class="lineNum"> 75 </span> : # ifdef _MINIX</a>
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<a name="76"><span class="lineNum"> 76 </span> : # include <sys/types.h></a>
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<a name="77"><span class="lineNum"> 77 </span> : # endif</a>
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<a name="78"><span class="lineNum"> 78 </span> : # include <unistd.h></a>
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<a name="79"><span class="lineNum"> 79 </span> : #endif</a>
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<a name="80"><span class="lineNum"> 80 </span> : </a>
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<a name="81"><span class="lineNum"> 81 </span> : #include "chartypes.h"</a>
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<a name="82"><span class="lineNum"> 82 </span> : #include "bashintl.h"</a>
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<a name="83"><span class="lineNum"> 83 </span> : </a>
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<a name="84"><span class="lineNum"> 84 </span> : #include "shell.h"</a>
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<a name="85"><span class="lineNum"> 85 </span> : #include "typemax.h" /* INTMAX_MAX, INTMAX_MIN */</a>
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<a name="86"><span class="lineNum"> 86 </span> : </a>
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<a name="87"><span class="lineNum"> 87 </span> : /* Because of the $((...)) construct, expressions may include newlines.</a>
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<a name="88"><span class="lineNum"> 88 </span> : Here is a macro which accepts newlines, tabs and spaces as whitespace. */</a>
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<a name="89"><span class="lineNum"> 89 </span> : #define cr_whitespace(c) (whitespace(c) || ((c) == '\n'))</a>
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<a name="90"><span class="lineNum"> 90 </span> : </a>
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<a name="91"><span class="lineNum"> 91 </span> : /* Size be which the expression stack grows when necessary. */</a>
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<a name="92"><span class="lineNum"> 92 </span> : #define EXPR_STACK_GROW_SIZE 10</a>
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<a name="93"><span class="lineNum"> 93 </span> : </a>
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<a name="94"><span class="lineNum"> 94 </span> : /* Maximum amount of recursion allowed. This prevents a non-integer</a>
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<a name="95"><span class="lineNum"> 95 </span> : variable such as "num=num+2" from infinitely adding to itself when</a>
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<a name="96"><span class="lineNum"> 96 </span> : "let num=num+2" is given. */</a>
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<a name="97"><span class="lineNum"> 97 </span> : #define MAX_EXPR_RECURSION_LEVEL 1024</a>
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<a name="98"><span class="lineNum"> 98 </span> : </a>
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<a name="99"><span class="lineNum"> 99 </span> : /* The Tokens. Singing "The Lion Sleeps Tonight". */</a>
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<a name="100"><span class="lineNum"> 100 </span> : </a>
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<a name="101"><span class="lineNum"> 101 </span> : #define EQEQ 1 /* "==" */</a>
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<a name="102"><span class="lineNum"> 102 </span> : #define NEQ 2 /* "!=" */</a>
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<a name="103"><span class="lineNum"> 103 </span> : #define LEQ 3 /* "<=" */</a>
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<a name="104"><span class="lineNum"> 104 </span> : #define GEQ 4 /* ">=" */</a>
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<a name="105"><span class="lineNum"> 105 </span> : #define STR 5 /* string */</a>
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<a name="106"><span class="lineNum"> 106 </span> : #define NUM 6 /* number */</a>
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<a name="107"><span class="lineNum"> 107 </span> : #define LAND 7 /* "&&" Logical AND */</a>
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<a name="108"><span class="lineNum"> 108 </span> : #define LOR 8 /* "||" Logical OR */</a>
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<a name="109"><span class="lineNum"> 109 </span> : #define LSH 9 /* "<<" Left SHift */</a>
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<a name="110"><span class="lineNum"> 110 </span> : #define RSH 10 /* ">>" Right SHift */</a>
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<a name="111"><span class="lineNum"> 111 </span> : #define OP_ASSIGN 11 /* op= expassign as in Posix.2 */</a>
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<a name="112"><span class="lineNum"> 112 </span> : #define COND 12 /* exp1 ? exp2 : exp3 */</a>
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<a name="113"><span class="lineNum"> 113 </span> : #define POWER 13 /* exp1**exp2 */</a>
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<a name="114"><span class="lineNum"> 114 </span> : #define PREINC 14 /* ++var */</a>
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<a name="115"><span class="lineNum"> 115 </span> : #define PREDEC 15 /* --var */</a>
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<a name="116"><span class="lineNum"> 116 </span> : #define POSTINC 16 /* var++ */</a>
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<a name="117"><span class="lineNum"> 117 </span> : #define POSTDEC 17 /* var-- */</a>
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<a name="118"><span class="lineNum"> 118 </span> : #define EQ '='</a>
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<a name="119"><span class="lineNum"> 119 </span> : #define GT '>'</a>
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<a name="120"><span class="lineNum"> 120 </span> : #define LT '<'</a>
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<a name="121"><span class="lineNum"> 121 </span> : #define PLUS '+'</a>
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<a name="122"><span class="lineNum"> 122 </span> : #define MINUS '-'</a>
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<a name="123"><span class="lineNum"> 123 </span> : #define MUL '*'</a>
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<a name="124"><span class="lineNum"> 124 </span> : #define DIV '/'</a>
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<a name="125"><span class="lineNum"> 125 </span> : #define MOD '%'</a>
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<a name="126"><span class="lineNum"> 126 </span> : #define NOT '!'</a>
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<a name="127"><span class="lineNum"> 127 </span> : #define LPAR '('</a>
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<a name="128"><span class="lineNum"> 128 </span> : #define RPAR ')'</a>
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<a name="129"><span class="lineNum"> 129 </span> : #define BAND '&' /* Bitwise AND */</a>
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<a name="130"><span class="lineNum"> 130 </span> : #define BOR '|' /* Bitwise OR. */</a>
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<a name="131"><span class="lineNum"> 131 </span> : #define BXOR '^' /* Bitwise eXclusive OR. */</a>
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<a name="132"><span class="lineNum"> 132 </span> : #define BNOT '~' /* Bitwise NOT; Two's complement. */</a>
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<a name="133"><span class="lineNum"> 133 </span> : #define QUES '?'</a>
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<a name="134"><span class="lineNum"> 134 </span> : #define COL ':'</a>
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<a name="135"><span class="lineNum"> 135 </span> : #define COMMA ','</a>
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<a name="136"><span class="lineNum"> 136 </span> : </a>
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<a name="137"><span class="lineNum"> 137 </span> : /* This should be the function corresponding to the operator with the</a>
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<a name="138"><span class="lineNum"> 138 </span> : highest precedence. */</a>
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<a name="139"><span class="lineNum"> 139 </span> : #define EXP_HIGHEST expcomma</a>
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<a name="140"><span class="lineNum"> 140 </span> : </a>
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<a name="141"><span class="lineNum"> 141 </span> : #ifndef MAX_INT_LEN</a>
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<a name="142"><span class="lineNum"> 142 </span> : # define MAX_INT_LEN 32</a>
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<a name="143"><span class="lineNum"> 143 </span> : #endif</a>
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<a name="144"><span class="lineNum"> 144 </span> : </a>
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<a name="145"><span class="lineNum"> 145 </span> : struct lvalue</a>
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<a name="146"><span class="lineNum"> 146 </span> : {</a>
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<a name="147"><span class="lineNum"> 147 </span> : char *tokstr; /* possibly-rewritten lvalue if not NULL */</a>
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<a name="148"><span class="lineNum"> 148 </span> : intmax_t tokval; /* expression evaluated value */</a>
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<a name="149"><span class="lineNum"> 149 </span> : SHELL_VAR *tokvar; /* variable described by array or var reference */</a>
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<a name="150"><span class="lineNum"> 150 </span> : intmax_t ind; /* array index if not -1 */</a>
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<a name="151"><span class="lineNum"> 151 </span> : };</a>
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<a name="152"><span class="lineNum"> 152 </span> : </a>
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<a name="153"><span class="lineNum"> 153 </span> : /* A structure defining a single expression context. */</a>
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<a name="154"><span class="lineNum"> 154 </span> : typedef struct {</a>
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<a name="155"><span class="lineNum"> 155 </span> : int curtok, lasttok;</a>
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<a name="156"><span class="lineNum"> 156 </span> : char *expression, *tp, *lasttp;</a>
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<a name="157"><span class="lineNum"> 157 </span> : intmax_t tokval;</a>
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<a name="158"><span class="lineNum"> 158 </span> : char *tokstr;</a>
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<a name="159"><span class="lineNum"> 159 </span> : int noeval;</a>
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<a name="160"><span class="lineNum"> 160 </span> : struct lvalue lval;</a>
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<a name="161"><span class="lineNum"> 161 </span> : } EXPR_CONTEXT;</a>
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<a name="162"><span class="lineNum"> 162 </span> : </a>
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<a name="163"><span class="lineNum"> 163 </span> : static char *expression; /* The current expression */</a>
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<a name="164"><span class="lineNum"> 164 </span> : static char *tp; /* token lexical position */</a>
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<a name="165"><span class="lineNum"> 165 </span> : static char *lasttp; /* pointer to last token position */</a>
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<a name="166"><span class="lineNum"> 166 </span> : static int curtok; /* the current token */</a>
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<a name="167"><span class="lineNum"> 167 </span> : static int lasttok; /* the previous token */</a>
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<a name="168"><span class="lineNum"> 168 </span> : static int assigntok; /* the OP in OP= */</a>
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<a name="169"><span class="lineNum"> 169 </span> : static char *tokstr; /* current token string */</a>
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<a name="170"><span class="lineNum"> 170 </span> : static intmax_t tokval; /* current token value */</a>
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<a name="171"><span class="lineNum"> 171 </span> : static int noeval; /* set to 1 if no assignment to be done */</a>
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<a name="172"><span class="lineNum"> 172 </span> : static procenv_t evalbuf;</a>
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<a name="173"><span class="lineNum"> 173 </span> : </a>
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<a name="174"><span class="lineNum"> 174 </span> : static struct lvalue curlval = {0, 0, 0, -1};</a>
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<a name="175"><span class="lineNum"> 175 </span> : static struct lvalue lastlval = {0, 0, 0, -1};</a>
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<a name="176"><span class="lineNum"> 176 </span> : </a>
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<a name="177"><span class="lineNum"> 177 </span> : static int _is_arithop __P((int));</a>
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<a name="178"><span class="lineNum"> 178 </span> : static void readtok __P((void)); /* lexical analyzer */</a>
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<a name="179"><span class="lineNum"> 179 </span> : </a>
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<a name="180"><span class="lineNum"> 180 </span> : static void init_lvalue __P((struct lvalue *));</a>
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<a name="181"><span class="lineNum"> 181 </span> : #if 0</a>
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<a name="182"><span class="lineNum"> 182 </span> : static struct lvalue *alloc_lvalue __P((void));</a>
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<a name="183"><span class="lineNum"> 183 </span> : static void free_lvalue __P((struct lvalue *));</a>
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<a name="184"><span class="lineNum"> 184 </span> : #endif</a>
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<a name="185"><span class="lineNum"> 185 </span> : </a>
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<a name="186"><span class="lineNum"> 186 </span> : static intmax_t expr_streval __P((char *, int, struct lvalue *));</a>
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<a name="187"><span class="lineNum"> 187 </span> : static intmax_t strlong __P((char *));</a>
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<a name="188"><span class="lineNum"> 188 </span> : static void evalerror __P((const char *));</a>
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<a name="189"><span class="lineNum"> 189 </span> : </a>
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<a name="190"><span class="lineNum"> 190 </span> : static void pushexp __P((void));</a>
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<a name="191"><span class="lineNum"> 191 </span> : static void popexp __P((void));</a>
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<a name="192"><span class="lineNum"> 192 </span> : static void expr_unwind __P((void));</a>
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<a name="193"><span class="lineNum"> 193 </span> : static void expr_bind_variable __P((char *, char *));</a>
|
|
<a name="194"><span class="lineNum"> 194 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="195"><span class="lineNum"> 195 </span> : static void expr_bind_array_element __P((char *, arrayind_t, char *));</a>
|
|
<a name="196"><span class="lineNum"> 196 </span> : #endif</a>
|
|
<a name="197"><span class="lineNum"> 197 </span> : </a>
|
|
<a name="198"><span class="lineNum"> 198 </span> : static intmax_t subexpr __P((char *));</a>
|
|
<a name="199"><span class="lineNum"> 199 </span> : </a>
|
|
<a name="200"><span class="lineNum"> 200 </span> : static intmax_t expcomma __P((void));</a>
|
|
<a name="201"><span class="lineNum"> 201 </span> : static intmax_t expassign __P((void));</a>
|
|
<a name="202"><span class="lineNum"> 202 </span> : static intmax_t expcond __P((void));</a>
|
|
<a name="203"><span class="lineNum"> 203 </span> : static intmax_t explor __P((void));</a>
|
|
<a name="204"><span class="lineNum"> 204 </span> : static intmax_t expland __P((void));</a>
|
|
<a name="205"><span class="lineNum"> 205 </span> : static intmax_t expbor __P((void));</a>
|
|
<a name="206"><span class="lineNum"> 206 </span> : static intmax_t expbxor __P((void));</a>
|
|
<a name="207"><span class="lineNum"> 207 </span> : static intmax_t expband __P((void));</a>
|
|
<a name="208"><span class="lineNum"> 208 </span> : static intmax_t exp5 __P((void));</a>
|
|
<a name="209"><span class="lineNum"> 209 </span> : static intmax_t exp4 __P((void));</a>
|
|
<a name="210"><span class="lineNum"> 210 </span> : static intmax_t expshift __P((void));</a>
|
|
<a name="211"><span class="lineNum"> 211 </span> : static intmax_t exp3 __P((void));</a>
|
|
<a name="212"><span class="lineNum"> 212 </span> : static intmax_t bash_exp2 __P((void));</a>
|
|
<a name="213"><span class="lineNum"> 213 </span> : static intmax_t exppower __P((void));</a>
|
|
<a name="214"><span class="lineNum"> 214 </span> : static intmax_t exp1 __P((void));</a>
|
|
<a name="215"><span class="lineNum"> 215 </span> : static intmax_t exp0 __P((void));</a>
|
|
<a name="216"><span class="lineNum"> 216 </span> : </a>
|
|
<a name="217"><span class="lineNum"> 217 </span> : /* Global var which contains the stack of expression contexts. */</a>
|
|
<a name="218"><span class="lineNum"> 218 </span> : static EXPR_CONTEXT **expr_stack;</a>
|
|
<a name="219"><span class="lineNum"> 219 </span> : static int expr_depth; /* Location in the stack. */</a>
|
|
<a name="220"><span class="lineNum"> 220 </span> : static int expr_stack_size; /* Number of slots already allocated. */</a>
|
|
<a name="221"><span class="lineNum"> 221 </span> : </a>
|
|
<a name="222"><span class="lineNum"> 222 </span> : extern char *this_command_name;</a>
|
|
<a name="223"><span class="lineNum"> 223 </span> : extern int unbound_vars_is_error, last_command_exit_value;</a>
|
|
<a name="224"><span class="lineNum"> 224 </span> : </a>
|
|
<a name="225"><span class="lineNum"> 225 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="226"><span class="lineNum"> 226 </span> : extern const char * const bash_badsub_errmsg;</a>
|
|
<a name="227"><span class="lineNum"> 227 </span> : #endif</a>
|
|
<a name="228"><span class="lineNum"> 228 </span> : </a>
|
|
<a name="229"><span class="lineNum"> 229 </span> : #define SAVETOK(X) \</a>
|
|
<a name="230"><span class="lineNum"> 230 </span> : do { \</a>
|
|
<a name="231"><span class="lineNum"> 231 </span> : (X)->curtok = curtok; \</a>
|
|
<a name="232"><span class="lineNum"> 232 </span> : (X)->lasttok = lasttok; \</a>
|
|
<a name="233"><span class="lineNum"> 233 </span> : (X)->tp = tp; \</a>
|
|
<a name="234"><span class="lineNum"> 234 </span> : (X)->lasttp = lasttp; \</a>
|
|
<a name="235"><span class="lineNum"> 235 </span> : (X)->tokval = tokval; \</a>
|
|
<a name="236"><span class="lineNum"> 236 </span> : (X)->tokstr = tokstr; \</a>
|
|
<a name="237"><span class="lineNum"> 237 </span> : (X)->noeval = noeval; \</a>
|
|
<a name="238"><span class="lineNum"> 238 </span> : (X)->lval = curlval; \</a>
|
|
<a name="239"><span class="lineNum"> 239 </span> : } while (0)</a>
|
|
<a name="240"><span class="lineNum"> 240 </span> : </a>
|
|
<a name="241"><span class="lineNum"> 241 </span> : #define RESTORETOK(X) \</a>
|
|
<a name="242"><span class="lineNum"> 242 </span> : do { \</a>
|
|
<a name="243"><span class="lineNum"> 243 </span> : curtok = (X)->curtok; \</a>
|
|
<a name="244"><span class="lineNum"> 244 </span> : lasttok = (X)->lasttok; \</a>
|
|
<a name="245"><span class="lineNum"> 245 </span> : tp = (X)->tp; \</a>
|
|
<a name="246"><span class="lineNum"> 246 </span> : lasttp = (X)->lasttp; \</a>
|
|
<a name="247"><span class="lineNum"> 247 </span> : tokval = (X)->tokval; \</a>
|
|
<a name="248"><span class="lineNum"> 248 </span> : tokstr = (X)->tokstr; \</a>
|
|
<a name="249"><span class="lineNum"> 249 </span> : noeval = (X)->noeval; \</a>
|
|
<a name="250"><span class="lineNum"> 250 </span> : curlval = (X)->lval; \</a>
|
|
<a name="251"><span class="lineNum"> 251 </span> : } while (0)</a>
|
|
<a name="252"><span class="lineNum"> 252 </span> : </a>
|
|
<a name="253"><span class="lineNum"> 253 </span> : /* Push and save away the contents of the globals describing the</a>
|
|
<a name="254"><span class="lineNum"> 254 </span> : current expression context. */</a>
|
|
<a name="255"><span class="lineNum"> 255 </span> : static void</a>
|
|
<a name="256"><span class="lineNum"> 256 </span><span class="lineCov"> 121 : pushexp ()</span></a>
|
|
<a name="257"><span class="lineNum"> 257 </span> : {</a>
|
|
<a name="258"><span class="lineNum"> 258 </span><span class="lineCov"> 121 : EXPR_CONTEXT *context;</span></a>
|
|
<a name="259"><span class="lineNum"> 259 </span> : </a>
|
|
<a name="260"><span class="lineNum"> 260 </span><span class="lineCov"> 121 : if (expr_depth >= MAX_EXPR_RECURSION_LEVEL)</span></a>
|
|
<a name="261"><span class="lineNum"> 261 </span><span class="lineNoCov"> 0 : evalerror (_("expression recursion level exceeded"));</span></a>
|
|
<a name="262"><span class="lineNum"> 262 </span> : </a>
|
|
<a name="263"><span class="lineNum"> 263 </span><span class="lineCov"> 121 : if (expr_depth >= expr_stack_size)</span></a>
|
|
<a name="264"><span class="lineNum"> 264 </span> : {</a>
|
|
<a name="265"><span class="lineNum"> 265 </span><span class="lineCov"> 121 : expr_stack_size += EXPR_STACK_GROW_SIZE;</span></a>
|
|
<a name="266"><span class="lineNum"> 266 </span><span class="lineCov"> 121 : expr_stack = (EXPR_CONTEXT **)xrealloc (expr_stack, expr_stack_size * sizeof (EXPR_CONTEXT *));</span></a>
|
|
<a name="267"><span class="lineNum"> 267 </span> : }</a>
|
|
<a name="268"><span class="lineNum"> 268 </span> : </a>
|
|
<a name="269"><span class="lineNum"> 269 </span><span class="lineCov"> 121 : context = (EXPR_CONTEXT *)xmalloc (sizeof (EXPR_CONTEXT));</span></a>
|
|
<a name="270"><span class="lineNum"> 270 </span> : </a>
|
|
<a name="271"><span class="lineNum"> 271 </span><span class="lineCov"> 121 : context->expression = expression;</span></a>
|
|
<a name="272"><span class="lineNum"> 272 </span><span class="lineCov"> 121 : SAVETOK(context);</span></a>
|
|
<a name="273"><span class="lineNum"> 273 </span> : </a>
|
|
<a name="274"><span class="lineNum"> 274 </span><span class="lineCov"> 121 : expr_stack[expr_depth++] = context;</span></a>
|
|
<a name="275"><span class="lineNum"> 275 </span><span class="lineCov"> 121 : }</span></a>
|
|
<a name="276"><span class="lineNum"> 276 </span> : </a>
|
|
<a name="277"><span class="lineNum"> 277 </span> : /* Pop the the contents of the expression context stack into the</a>
|
|
<a name="278"><span class="lineNum"> 278 </span> : globals describing the current expression context. */</a>
|
|
<a name="279"><span class="lineNum"> 279 </span> : static void</a>
|
|
<a name="280"><span class="lineNum"> 280 </span><span class="lineCov"> 9 : popexp ()</span></a>
|
|
<a name="281"><span class="lineNum"> 281 </span> : {</a>
|
|
<a name="282"><span class="lineNum"> 282 </span><span class="lineCov"> 9 : EXPR_CONTEXT *context;</span></a>
|
|
<a name="283"><span class="lineNum"> 283 </span> : </a>
|
|
<a name="284"><span class="lineNum"> 284 </span><span class="lineCov"> 9 : if (expr_depth == 0)</span></a>
|
|
<a name="285"><span class="lineNum"> 285 </span><span class="lineNoCov"> 0 : evalerror (_("recursion stack underflow"));</span></a>
|
|
<a name="286"><span class="lineNum"> 286 </span> : </a>
|
|
<a name="287"><span class="lineNum"> 287 </span><span class="lineCov"> 9 : context = expr_stack[--expr_depth];</span></a>
|
|
<a name="288"><span class="lineNum"> 288 </span> : </a>
|
|
<a name="289"><span class="lineNum"> 289 </span><span class="lineCov"> 9 : expression = context->expression;</span></a>
|
|
<a name="290"><span class="lineNum"> 290 </span><span class="lineCov"> 9 : RESTORETOK (context);</span></a>
|
|
<a name="291"><span class="lineNum"> 291 </span> : </a>
|
|
<a name="292"><span class="lineNum"> 292 </span><span class="lineCov"> 9 : free (context);</span></a>
|
|
<a name="293"><span class="lineNum"> 293 </span><span class="lineCov"> 9 : }</span></a>
|
|
<a name="294"><span class="lineNum"> 294 </span> : </a>
|
|
<a name="295"><span class="lineNum"> 295 </span> : static void</a>
|
|
<a name="296"><span class="lineNum"> 296 </span><span class="lineCov"> 112 : expr_unwind ()</span></a>
|
|
<a name="297"><span class="lineNum"> 297 </span> : {</a>
|
|
<a name="298"><span class="lineNum"> 298 </span><span class="lineCov"> 112 : while (--expr_depth > 0)</span></a>
|
|
<a name="299"><span class="lineNum"> 299 </span> : {</a>
|
|
<a name="300"><span class="lineNum"> 300 </span><span class="lineNoCov"> 0 : if (expr_stack[expr_depth]->tokstr)</span></a>
|
|
<a name="301"><span class="lineNum"> 301 </span><span class="lineNoCov"> 0 : free (expr_stack[expr_depth]->tokstr);</span></a>
|
|
<a name="302"><span class="lineNum"> 302 </span> : </a>
|
|
<a name="303"><span class="lineNum"> 303 </span><span class="lineNoCov"> 0 : if (expr_stack[expr_depth]->expression)</span></a>
|
|
<a name="304"><span class="lineNum"> 304 </span><span class="lineNoCov"> 0 : free (expr_stack[expr_depth]->expression);</span></a>
|
|
<a name="305"><span class="lineNum"> 305 </span> : </a>
|
|
<a name="306"><span class="lineNum"> 306 </span><span class="lineNoCov"> 0 : free (expr_stack[expr_depth]);</span></a>
|
|
<a name="307"><span class="lineNum"> 307 </span> : }</a>
|
|
<a name="308"><span class="lineNum"> 308 </span><span class="lineCov"> 112 : free (expr_stack[expr_depth]); /* free the allocated EXPR_CONTEXT */</span></a>
|
|
<a name="309"><span class="lineNum"> 309 </span> : </a>
|
|
<a name="310"><span class="lineNum"> 310 </span><span class="lineCov"> 112 : noeval = 0; /* XXX */</span></a>
|
|
<a name="311"><span class="lineNum"> 311 </span><span class="lineCov"> 112 : }</span></a>
|
|
<a name="312"><span class="lineNum"> 312 </span> : </a>
|
|
<a name="313"><span class="lineNum"> 313 </span> : static void</a>
|
|
<a name="314"><span class="lineNum"> 314 </span><span class="lineNoCov"> 0 : expr_bind_variable (lhs, rhs)</span></a>
|
|
<a name="315"><span class="lineNum"> 315 </span> : char *lhs, *rhs;</a>
|
|
<a name="316"><span class="lineNum"> 316 </span> : {</a>
|
|
<a name="317"><span class="lineNum"> 317 </span><span class="lineNoCov"> 0 : SHELL_VAR *v;</span></a>
|
|
<a name="318"><span class="lineNum"> 318 </span> : </a>
|
|
<a name="319"><span class="lineNum"> 319 </span><span class="lineNoCov"> 0 : v = bind_int_variable (lhs, rhs);</span></a>
|
|
<a name="320"><span class="lineNum"> 320 </span><span class="lineNoCov"> 0 : if (v && (readonly_p (v) || noassign_p (v)))</span></a>
|
|
<a name="321"><span class="lineNum"> 321 </span><span class="lineNoCov"> 0 : sh_longjmp (evalbuf, 1); /* variable assignment error */</span></a>
|
|
<a name="322"><span class="lineNum"> 322 </span><span class="lineNoCov"> 0 : stupidly_hack_special_variables (lhs);</span></a>
|
|
<a name="323"><span class="lineNum"> 323 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="324"><span class="lineNum"> 324 </span> : </a>
|
|
<a name="325"><span class="lineNum"> 325 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="326"><span class="lineNum"> 326 </span> : /* Rewrite tok, which is of the form vname[expression], to vname[ind], where</a>
|
|
<a name="327"><span class="lineNum"> 327 </span> : IND is the already-calculated value of expression. */</a>
|
|
<a name="328"><span class="lineNum"> 328 </span> : static void</a>
|
|
<a name="329"><span class="lineNum"> 329 </span><span class="lineNoCov"> 0 : expr_bind_array_element (tok, ind, rhs)</span></a>
|
|
<a name="330"><span class="lineNum"> 330 </span> : char *tok;</a>
|
|
<a name="331"><span class="lineNum"> 331 </span> : arrayind_t ind;</a>
|
|
<a name="332"><span class="lineNum"> 332 </span> : char *rhs;</a>
|
|
<a name="333"><span class="lineNum"> 333 </span> : {</a>
|
|
<a name="334"><span class="lineNum"> 334 </span><span class="lineNoCov"> 0 : char *lhs, *vname;</span></a>
|
|
<a name="335"><span class="lineNum"> 335 </span><span class="lineNoCov"> 0 : size_t llen;</span></a>
|
|
<a name="336"><span class="lineNum"> 336 </span><span class="lineNoCov"> 0 : char ibuf[INT_STRLEN_BOUND (arrayind_t) + 1], *istr;</span></a>
|
|
<a name="337"><span class="lineNum"> 337 </span> : </a>
|
|
<a name="338"><span class="lineNum"> 338 </span><span class="lineNoCov"> 0 : istr = fmtumax (ind, 10, ibuf, sizeof (ibuf), 0);</span></a>
|
|
<a name="339"><span class="lineNum"> 339 </span><span class="lineNoCov"> 0 : vname = array_variable_name (tok, (char **)NULL, (int *)NULL);</span></a>
|
|
<a name="340"><span class="lineNum"> 340 </span> : </a>
|
|
<a name="341"><span class="lineNum"> 341 </span><span class="lineNoCov"> 0 : llen = strlen (vname) + sizeof (ibuf) + 3;</span></a>
|
|
<a name="342"><span class="lineNum"> 342 </span><span class="lineNoCov"> 0 : lhs = xmalloc (llen);</span></a>
|
|
<a name="343"><span class="lineNum"> 343 </span> : </a>
|
|
<a name="344"><span class="lineNum"> 344 </span><span class="lineNoCov"> 0 : sprintf (lhs, "%s[%s]", vname, istr); /* XXX */</span></a>
|
|
<a name="345"><span class="lineNum"> 345 </span> : </a>
|
|
<a name="346"><span class="lineNum"> 346 </span> : /*itrace("expr_bind_array_element: %s=%s", lhs, rhs);*/</a>
|
|
<a name="347"><span class="lineNum"> 347 </span><span class="lineNoCov"> 0 : expr_bind_variable (lhs, rhs);</span></a>
|
|
<a name="348"><span class="lineNum"> 348 </span><span class="lineNoCov"> 0 : free (vname);</span></a>
|
|
<a name="349"><span class="lineNum"> 349 </span><span class="lineNoCov"> 0 : free (lhs);</span></a>
|
|
<a name="350"><span class="lineNum"> 350 </span><span class="lineNoCov"> 0 : }</span></a>
|
|
<a name="351"><span class="lineNum"> 351 </span> : #endif /* ARRAY_VARS */</a>
|
|
<a name="352"><span class="lineNum"> 352 </span> : </a>
|
|
<a name="353"><span class="lineNum"> 353 </span> : /* Evaluate EXPR, and return the arithmetic result. If VALIDP is</a>
|
|
<a name="354"><span class="lineNum"> 354 </span> : non-null, a zero is stored into the location to which it points</a>
|
|
<a name="355"><span class="lineNum"> 355 </span> : if the expression is invalid, non-zero otherwise. If a non-zero</a>
|
|
<a name="356"><span class="lineNum"> 356 </span> : value is returned in *VALIDP, the return value of evalexp() may</a>
|
|
<a name="357"><span class="lineNum"> 357 </span> : be used.</a>
|
|
<a name="358"><span class="lineNum"> 358 </span> : </a>
|
|
<a name="359"><span class="lineNum"> 359 </span> : The `while' loop after the longjmp is caught relies on the above</a>
|
|
<a name="360"><span class="lineNum"> 360 </span> : implementation of pushexp and popexp leaving in expr_stack[0] the</a>
|
|
<a name="361"><span class="lineNum"> 361 </span> : values that the variables had when the program started. That is,</a>
|
|
<a name="362"><span class="lineNum"> 362 </span> : the first things saved are the initial values of the variables that</a>
|
|
<a name="363"><span class="lineNum"> 363 </span> : were assigned at program startup or by the compiler. Therefore, it is</a>
|
|
<a name="364"><span class="lineNum"> 364 </span> : safe to let the loop terminate when expr_depth == 0, without freeing up</a>
|
|
<a name="365"><span class="lineNum"> 365 </span> : any of the expr_depth[0] stuff. */</a>
|
|
<a name="366"><span class="lineNum"> 366 </span> : intmax_t</a>
|
|
<a name="367"><span class="lineNum"> 367 </span><span class="lineCov"> 121 : evalexp (expr, validp)</span></a>
|
|
<a name="368"><span class="lineNum"> 368 </span> : char *expr;</a>
|
|
<a name="369"><span class="lineNum"> 369 </span> : int *validp;</a>
|
|
<a name="370"><span class="lineNum"> 370 </span> : {</a>
|
|
<a name="371"><span class="lineNum"> 371 </span><span class="lineCov"> 121 : intmax_t val;</span></a>
|
|
<a name="372"><span class="lineNum"> 372 </span><span class="lineCov"> 121 : int c;</span></a>
|
|
<a name="373"><span class="lineNum"> 373 </span><span class="lineCov"> 121 : procenv_t oevalbuf;</span></a>
|
|
<a name="374"><span class="lineNum"> 374 </span> : </a>
|
|
<a name="375"><span class="lineNum"> 375 </span><span class="lineCov"> 121 : val = 0;</span></a>
|
|
<a name="376"><span class="lineNum"> 376 </span><span class="lineCov"> 121 : noeval = 0;</span></a>
|
|
<a name="377"><span class="lineNum"> 377 </span> : </a>
|
|
<a name="378"><span class="lineNum"> 378 </span><span class="lineCov"> 121 : FASTCOPY (evalbuf, oevalbuf, sizeof (evalbuf));</span></a>
|
|
<a name="379"><span class="lineNum"> 379 </span> : </a>
|
|
<a name="380"><span class="lineNum"> 380 </span><span class="lineCov"> 233 : c = setjmp_nosigs (evalbuf);</span></a>
|
|
<a name="381"><span class="lineNum"> 381 </span> : </a>
|
|
<a name="382"><span class="lineNum"> 382 </span><span class="lineCov"> 233 : if (c)</span></a>
|
|
<a name="383"><span class="lineNum"> 383 </span> : {</a>
|
|
<a name="384"><span class="lineNum"> 384 </span><span class="lineCov"> 112 : FREE (tokstr);</span></a>
|
|
<a name="385"><span class="lineNum"> 385 </span><span class="lineCov"> 112 : FREE (expression);</span></a>
|
|
<a name="386"><span class="lineNum"> 386 </span><span class="lineCov"> 112 : tokstr = expression = (char *)NULL;</span></a>
|
|
<a name="387"><span class="lineNum"> 387 </span> : </a>
|
|
<a name="388"><span class="lineNum"> 388 </span><span class="lineCov"> 112 : expr_unwind ();</span></a>
|
|
<a name="389"><span class="lineNum"> 389 </span> : </a>
|
|
<a name="390"><span class="lineNum"> 390 </span><span class="lineCov"> 112 : if (validp)</span></a>
|
|
<a name="391"><span class="lineNum"> 391 </span><span class="lineCov"> 112 : *validp = 0;</span></a>
|
|
<a name="392"><span class="lineNum"> 392 </span><span class="lineCov"> 112 : return (0);</span></a>
|
|
<a name="393"><span class="lineNum"> 393 </span> : }</a>
|
|
<a name="394"><span class="lineNum"> 394 </span> : </a>
|
|
<a name="395"><span class="lineNum"> 395 </span><span class="lineCov"> 121 : val = subexpr (expr);</span></a>
|
|
<a name="396"><span class="lineNum"> 396 </span> : </a>
|
|
<a name="397"><span class="lineNum"> 397 </span><span class="lineCov"> 9 : if (validp)</span></a>
|
|
<a name="398"><span class="lineNum"> 398 </span><span class="lineCov"> 9 : *validp = 1;</span></a>
|
|
<a name="399"><span class="lineNum"> 399 </span> : </a>
|
|
<a name="400"><span class="lineNum"> 400 </span><span class="lineCov"> 9 : FASTCOPY (oevalbuf, evalbuf, sizeof (evalbuf));</span></a>
|
|
<a name="401"><span class="lineNum"> 401 </span> : </a>
|
|
<a name="402"><span class="lineNum"> 402 </span><span class="lineCov"> 9 : return (val);</span></a>
|
|
<a name="403"><span class="lineNum"> 403 </span> : }</a>
|
|
<a name="404"><span class="lineNum"> 404 </span> : </a>
|
|
<a name="405"><span class="lineNum"> 405 </span> : static intmax_t</a>
|
|
<a name="406"><span class="lineNum"> 406 </span><span class="lineCov"> 121 : subexpr (expr)</span></a>
|
|
<a name="407"><span class="lineNum"> 407 </span> : char *expr;</a>
|
|
<a name="408"><span class="lineNum"> 408 </span> : {</a>
|
|
<a name="409"><span class="lineNum"> 409 </span><span class="lineCov"> 121 : intmax_t val;</span></a>
|
|
<a name="410"><span class="lineNum"> 410 </span><span class="lineCov"> 121 : char *p;</span></a>
|
|
<a name="411"><span class="lineNum"> 411 </span> : </a>
|
|
<a name="412"><span class="lineNum"> 412 </span><span class="lineCov"> 178 : for (p = expr; p && *p && cr_whitespace (*p); p++)</span></a>
|
|
<a name="413"><span class="lineNum"> 413 </span><span class="lineCov"> 57 : ;</span></a>
|
|
<a name="414"><span class="lineNum"> 414 </span> : </a>
|
|
<a name="415"><span class="lineNum"> 415 </span><span class="lineCov"> 121 : if (p == NULL || *p == '\0')</span></a>
|
|
<a name="416"><span class="lineNum"> 416 </span> : return (0);</a>
|
|
<a name="417"><span class="lineNum"> 417 </span> : </a>
|
|
<a name="418"><span class="lineNum"> 418 </span><span class="lineCov"> 121 : pushexp ();</span></a>
|
|
<a name="419"><span class="lineNum"> 419 </span><span class="lineCov"> 121 : expression = savestring (expr);</span></a>
|
|
<a name="420"><span class="lineNum"> 420 </span><span class="lineCov"> 121 : tp = expression;</span></a>
|
|
<a name="421"><span class="lineNum"> 421 </span> : </a>
|
|
<a name="422"><span class="lineNum"> 422 </span><span class="lineCov"> 121 : curtok = lasttok = 0;</span></a>
|
|
<a name="423"><span class="lineNum"> 423 </span><span class="lineCov"> 121 : tokstr = (char *)NULL;</span></a>
|
|
<a name="424"><span class="lineNum"> 424 </span><span class="lineCov"> 121 : tokval = 0;</span></a>
|
|
<a name="425"><span class="lineNum"> 425 </span><span class="lineCov"> 242 : init_lvalue (&curlval);</span></a>
|
|
<a name="426"><span class="lineNum"> 426 </span><span class="lineCov"> 121 : lastlval = curlval;</span></a>
|
|
<a name="427"><span class="lineNum"> 427 </span> : </a>
|
|
<a name="428"><span class="lineNum"> 428 </span><span class="lineCov"> 121 : readtok ();</span></a>
|
|
<a name="429"><span class="lineNum"> 429 </span> : </a>
|
|
<a name="430"><span class="lineNum"> 430 </span><span class="lineCov"> 83 : val = EXP_HIGHEST ();</span></a>
|
|
<a name="431"><span class="lineNum"> 431 </span> : </a>
|
|
<a name="432"><span class="lineNum"> 432 </span><span class="lineCov"> 9 : if (curtok != 0)</span></a>
|
|
<a name="433"><span class="lineNum"> 433 </span><span class="lineNoCov"> 0 : evalerror (_("syntax error in expression"));</span></a>
|
|
<a name="434"><span class="lineNum"> 434 </span> : </a>
|
|
<a name="435"><span class="lineNum"> 435 </span><span class="lineCov"> 9 : FREE (tokstr);</span></a>
|
|
<a name="436"><span class="lineNum"> 436 </span><span class="lineCov"> 9 : FREE (expression);</span></a>
|
|
<a name="437"><span class="lineNum"> 437 </span> : </a>
|
|
<a name="438"><span class="lineNum"> 438 </span><span class="lineCov"> 9 : popexp ();</span></a>
|
|
<a name="439"><span class="lineNum"> 439 </span> : </a>
|
|
<a name="440"><span class="lineNum"> 440 </span><span class="lineCov"> 9 : return val;</span></a>
|
|
<a name="441"><span class="lineNum"> 441 </span> : }</a>
|
|
<a name="442"><span class="lineNum"> 442 </span> : </a>
|
|
<a name="443"><span class="lineNum"> 443 </span> : static intmax_t</a>
|
|
<a name="444"><span class="lineNum"> 444 </span><span class="lineCov"> 83 : expcomma ()</span></a>
|
|
<a name="445"><span class="lineNum"> 445 </span> : {</a>
|
|
<a name="446"><span class="lineNum"> 446 </span><span class="lineCov"> 83 : register intmax_t value;</span></a>
|
|
<a name="447"><span class="lineNum"> 447 </span> : </a>
|
|
<a name="448"><span class="lineNum"> 448 </span><span class="lineCov"> 83 : value = expassign ();</span></a>
|
|
<a name="449"><span class="lineNum"> 449 </span><span class="lineCov"> 83 : while (curtok == COMMA)</span></a>
|
|
<a name="450"><span class="lineNum"> 450 </span> : {</a>
|
|
<a name="451"><span class="lineNum"> 451 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="452"><span class="lineNum"> 452 </span><span class="lineNoCov"> 0 : value = expassign ();</span></a>
|
|
<a name="453"><span class="lineNum"> 453 </span> : }</a>
|
|
<a name="454"><span class="lineNum"> 454 </span> : </a>
|
|
<a name="455"><span class="lineNum"> 455 </span><span class="lineCov"> 9 : return value;</span></a>
|
|
<a name="456"><span class="lineNum"> 456 </span> : }</a>
|
|
<a name="457"><span class="lineNum"> 457 </span> : </a>
|
|
<a name="458"><span class="lineNum"> 458 </span> : static intmax_t</a>
|
|
<a name="459"><span class="lineNum"> 459 </span><span class="lineCov"> 83 : expassign ()</span></a>
|
|
<a name="460"><span class="lineNum"> 460 </span> : {</a>
|
|
<a name="461"><span class="lineNum"> 461 </span><span class="lineCov"> 83 : register intmax_t value;</span></a>
|
|
<a name="462"><span class="lineNum"> 462 </span><span class="lineCov"> 83 : char *lhs, *rhs;</span></a>
|
|
<a name="463"><span class="lineNum"> 463 </span><span class="lineCov"> 83 : arrayind_t lind;</span></a>
|
|
<a name="464"><span class="lineNum"> 464 </span> : #if defined (HAVE_IMAXDIV)</a>
|
|
<a name="465"><span class="lineNum"> 465 </span><span class="lineCov"> 83 : imaxdiv_t idiv;</span></a>
|
|
<a name="466"><span class="lineNum"> 466 </span> : #endif</a>
|
|
<a name="467"><span class="lineNum"> 467 </span> : </a>
|
|
<a name="468"><span class="lineNum"> 468 </span><span class="lineCov"> 83 : value = expcond ();</span></a>
|
|
<a name="469"><span class="lineNum"> 469 </span><span class="lineCov"> 9 : if (curtok == EQ || curtok == OP_ASSIGN)</span></a>
|
|
<a name="470"><span class="lineNum"> 470 </span> : {</a>
|
|
<a name="471"><span class="lineNum"> 471 </span><span class="lineNoCov"> 0 : int special, op;</span></a>
|
|
<a name="472"><span class="lineNum"> 472 </span><span class="lineNoCov"> 0 : intmax_t lvalue;</span></a>
|
|
<a name="473"><span class="lineNum"> 473 </span> : </a>
|
|
<a name="474"><span class="lineNum"> 474 </span><span class="lineNoCov"> 0 : special = curtok == OP_ASSIGN;</span></a>
|
|
<a name="475"><span class="lineNum"> 475 </span> : </a>
|
|
<a name="476"><span class="lineNum"> 476 </span><span class="lineNoCov"> 0 : if (lasttok != STR)</span></a>
|
|
<a name="477"><span class="lineNum"> 477 </span><span class="lineNoCov"> 0 : evalerror (_("attempted assignment to non-variable"));</span></a>
|
|
<a name="478"><span class="lineNum"> 478 </span> : </a>
|
|
<a name="479"><span class="lineNum"> 479 </span><span class="lineNoCov"> 0 : if (special)</span></a>
|
|
<a name="480"><span class="lineNum"> 480 </span> : {</a>
|
|
<a name="481"><span class="lineNum"> 481 </span><span class="lineNoCov"> 0 : op = assigntok; /* a OP= b */</span></a>
|
|
<a name="482"><span class="lineNum"> 482 </span><span class="lineNoCov"> 0 : lvalue = value;</span></a>
|
|
<a name="483"><span class="lineNum"> 483 </span> : }</a>
|
|
<a name="484"><span class="lineNum"> 484 </span> : </a>
|
|
<a name="485"><span class="lineNum"> 485 </span> : /* XXX - watch out for pointer aliasing issues here */</a>
|
|
<a name="486"><span class="lineNum"> 486 </span><span class="lineNoCov"> 0 : lhs = savestring (tokstr);</span></a>
|
|
<a name="487"><span class="lineNum"> 487 </span> : /* save ind in case rhs is string var and evaluation overwrites it */</a>
|
|
<a name="488"><span class="lineNum"> 488 </span><span class="lineNoCov"> 0 : lind = curlval.ind;</span></a>
|
|
<a name="489"><span class="lineNum"> 489 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="490"><span class="lineNum"> 490 </span><span class="lineNoCov"> 0 : value = expassign ();</span></a>
|
|
<a name="491"><span class="lineNum"> 491 </span> : </a>
|
|
<a name="492"><span class="lineNum"> 492 </span><span class="lineNoCov"> 0 : if (special)</span></a>
|
|
<a name="493"><span class="lineNum"> 493 </span> : {</a>
|
|
<a name="494"><span class="lineNum"> 494 </span><span class="lineNoCov"> 0 : if ((op == DIV || op == MOD) && value == 0)</span></a>
|
|
<a name="495"><span class="lineNum"> 495 </span> : {</a>
|
|
<a name="496"><span class="lineNum"> 496 </span><span class="lineNoCov"> 0 : if (noeval == 0)</span></a>
|
|
<a name="497"><span class="lineNum"> 497 </span><span class="lineNoCov"> 0 : evalerror (_("division by 0"));</span></a>
|
|
<a name="498"><span class="lineNum"> 498 </span> : else</a>
|
|
<a name="499"><span class="lineNum"> 499 </span> : value = 1;</a>
|
|
<a name="500"><span class="lineNum"> 500 </span> : }</a>
|
|
<a name="501"><span class="lineNum"> 501 </span> : </a>
|
|
<a name="502"><span class="lineNum"> 502 </span><span class="lineNoCov"> 0 : switch (op)</span></a>
|
|
<a name="503"><span class="lineNum"> 503 </span> : {</a>
|
|
<a name="504"><span class="lineNum"> 504 </span><span class="lineNoCov"> 0 : case MUL:</span></a>
|
|
<a name="505"><span class="lineNum"> 505 </span><span class="lineNoCov"> 0 : lvalue *= value;</span></a>
|
|
<a name="506"><span class="lineNum"> 506 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="507"><span class="lineNum"> 507 </span><span class="lineNoCov"> 0 : case DIV:</span></a>
|
|
<a name="508"><span class="lineNum"> 508 </span> : case MOD:</a>
|
|
<a name="509"><span class="lineNum"> 509 </span><span class="lineNoCov"> 0 : if (lvalue == INTMAX_MIN && value == -1)</span></a>
|
|
<a name="510"><span class="lineNum"> 510 </span><span class="lineNoCov"> 0 : lvalue = (op == DIV) ? INTMAX_MIN : 0;</span></a>
|
|
<a name="511"><span class="lineNum"> 511 </span> : else</a>
|
|
<a name="512"><span class="lineNum"> 512 </span> : #if HAVE_IMAXDIV</a>
|
|
<a name="513"><span class="lineNum"> 513 </span> : {</a>
|
|
<a name="514"><span class="lineNum"> 514 </span><span class="lineNoCov"> 0 : idiv = imaxdiv (lvalue, value);</span></a>
|
|
<a name="515"><span class="lineNum"> 515 </span><span class="lineNoCov"> 0 : lvalue = (op == DIV) ? idiv.quot : idiv.rem;</span></a>
|
|
<a name="516"><span class="lineNum"> 516 </span> : }</a>
|
|
<a name="517"><span class="lineNum"> 517 </span> : #else</a>
|
|
<a name="518"><span class="lineNum"> 518 </span> : lvalue = (op == DIV) ? lvalue / value : lvalue % value;</a>
|
|
<a name="519"><span class="lineNum"> 519 </span> : #endif</a>
|
|
<a name="520"><span class="lineNum"> 520 </span> : break;</a>
|
|
<a name="521"><span class="lineNum"> 521 </span><span class="lineNoCov"> 0 : case PLUS:</span></a>
|
|
<a name="522"><span class="lineNum"> 522 </span><span class="lineNoCov"> 0 : lvalue += value;</span></a>
|
|
<a name="523"><span class="lineNum"> 523 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="524"><span class="lineNum"> 524 </span><span class="lineNoCov"> 0 : case MINUS:</span></a>
|
|
<a name="525"><span class="lineNum"> 525 </span><span class="lineNoCov"> 0 : lvalue -= value;</span></a>
|
|
<a name="526"><span class="lineNum"> 526 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="527"><span class="lineNum"> 527 </span><span class="lineNoCov"> 0 : case LSH:</span></a>
|
|
<a name="528"><span class="lineNum"> 528 </span><span class="lineNoCov"> 0 : lvalue <<= value;</span></a>
|
|
<a name="529"><span class="lineNum"> 529 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="530"><span class="lineNum"> 530 </span><span class="lineNoCov"> 0 : case RSH:</span></a>
|
|
<a name="531"><span class="lineNum"> 531 </span><span class="lineNoCov"> 0 : lvalue >>= value;</span></a>
|
|
<a name="532"><span class="lineNum"> 532 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="533"><span class="lineNum"> 533 </span><span class="lineNoCov"> 0 : case BAND:</span></a>
|
|
<a name="534"><span class="lineNum"> 534 </span><span class="lineNoCov"> 0 : lvalue &= value;</span></a>
|
|
<a name="535"><span class="lineNum"> 535 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="536"><span class="lineNum"> 536 </span><span class="lineNoCov"> 0 : case BOR:</span></a>
|
|
<a name="537"><span class="lineNum"> 537 </span><span class="lineNoCov"> 0 : lvalue |= value;</span></a>
|
|
<a name="538"><span class="lineNum"> 538 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="539"><span class="lineNum"> 539 </span><span class="lineNoCov"> 0 : case BXOR:</span></a>
|
|
<a name="540"><span class="lineNum"> 540 </span><span class="lineNoCov"> 0 : lvalue ^= value;</span></a>
|
|
<a name="541"><span class="lineNum"> 541 </span><span class="lineNoCov"> 0 : break;</span></a>
|
|
<a name="542"><span class="lineNum"> 542 </span><span class="lineNoCov"> 0 : default:</span></a>
|
|
<a name="543"><span class="lineNum"> 543 </span><span class="lineNoCov"> 0 : free (lhs);</span></a>
|
|
<a name="544"><span class="lineNum"> 544 </span><span class="lineNoCov"> 0 : evalerror (_("bug: bad expassign token"));</span></a>
|
|
<a name="545"><span class="lineNum"> 545 </span> : break;</a>
|
|
<a name="546"><span class="lineNum"> 546 </span> : }</a>
|
|
<a name="547"><span class="lineNum"> 547 </span> : value = lvalue;</a>
|
|
<a name="548"><span class="lineNum"> 548 </span> : }</a>
|
|
<a name="549"><span class="lineNum"> 549 </span> : </a>
|
|
<a name="550"><span class="lineNum"> 550 </span><span class="lineNoCov"> 0 : rhs = itos (value);</span></a>
|
|
<a name="551"><span class="lineNum"> 551 </span><span class="lineNoCov"> 0 : if (noeval == 0)</span></a>
|
|
<a name="552"><span class="lineNum"> 552 </span> : {</a>
|
|
<a name="553"><span class="lineNum"> 553 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="554"><span class="lineNum"> 554 </span><span class="lineNoCov"> 0 : if (lind != -1)</span></a>
|
|
<a name="555"><span class="lineNum"> 555 </span><span class="lineNoCov"> 0 : expr_bind_array_element (lhs, lind, rhs);</span></a>
|
|
<a name="556"><span class="lineNum"> 556 </span> : else</a>
|
|
<a name="557"><span class="lineNum"> 557 </span> : #endif</a>
|
|
<a name="558"><span class="lineNum"> 558 </span><span class="lineNoCov"> 0 : expr_bind_variable (lhs, rhs);</span></a>
|
|
<a name="559"><span class="lineNum"> 559 </span> : }</a>
|
|
<a name="560"><span class="lineNum"> 560 </span><span class="lineNoCov"> 0 : if (curlval.tokstr && curlval.tokstr == tokstr)</span></a>
|
|
<a name="561"><span class="lineNum"> 561 </span><span class="lineNoCov"> 0 : init_lvalue (&curlval);</span></a>
|
|
<a name="562"><span class="lineNum"> 562 </span> : </a>
|
|
<a name="563"><span class="lineNum"> 563 </span><span class="lineNoCov"> 0 : free (rhs);</span></a>
|
|
<a name="564"><span class="lineNum"> 564 </span><span class="lineNoCov"> 0 : free (lhs);</span></a>
|
|
<a name="565"><span class="lineNum"> 565 </span><span class="lineNoCov"> 0 : FREE (tokstr);</span></a>
|
|
<a name="566"><span class="lineNum"> 566 </span><span class="lineNoCov"> 0 : tokstr = (char *)NULL; /* For freeing on errors. */</span></a>
|
|
<a name="567"><span class="lineNum"> 567 </span> : }</a>
|
|
<a name="568"><span class="lineNum"> 568 </span> : </a>
|
|
<a name="569"><span class="lineNum"> 569 </span><span class="lineCov"> 9 : return (value);</span></a>
|
|
<a name="570"><span class="lineNum"> 570 </span> : }</a>
|
|
<a name="571"><span class="lineNum"> 571 </span> : </a>
|
|
<a name="572"><span class="lineNum"> 572 </span> : /* Conditional expression (expr?expr:expr) */</a>
|
|
<a name="573"><span class="lineNum"> 573 </span> : static intmax_t</a>
|
|
<a name="574"><span class="lineNum"> 574 </span><span class="lineCov"> 83 : expcond ()</span></a>
|
|
<a name="575"><span class="lineNum"> 575 </span> : {</a>
|
|
<a name="576"><span class="lineNum"> 576 </span><span class="lineCov"> 83 : intmax_t cval, val1, val2, rval;</span></a>
|
|
<a name="577"><span class="lineNum"> 577 </span><span class="lineCov"> 83 : int set_noeval;</span></a>
|
|
<a name="578"><span class="lineNum"> 578 </span> : </a>
|
|
<a name="579"><span class="lineNum"> 579 </span><span class="lineCov"> 83 : set_noeval = 0;</span></a>
|
|
<a name="580"><span class="lineNum"> 580 </span><span class="lineCov"> 83 : rval = cval = explor ();</span></a>
|
|
<a name="581"><span class="lineNum"> 581 </span><span class="lineCov"> 9 : if (curtok == QUES) /* found conditional expr */</span></a>
|
|
<a name="582"><span class="lineNum"> 582 </span> : {</a>
|
|
<a name="583"><span class="lineNum"> 583 </span><span class="lineNoCov"> 0 : if (cval == 0)</span></a>
|
|
<a name="584"><span class="lineNum"> 584 </span> : {</a>
|
|
<a name="585"><span class="lineNum"> 585 </span><span class="lineNoCov"> 0 : set_noeval = 1;</span></a>
|
|
<a name="586"><span class="lineNum"> 586 </span><span class="lineNoCov"> 0 : noeval++;</span></a>
|
|
<a name="587"><span class="lineNum"> 587 </span> : }</a>
|
|
<a name="588"><span class="lineNum"> 588 </span> : </a>
|
|
<a name="589"><span class="lineNum"> 589 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="590"><span class="lineNum"> 590 </span><span class="lineNoCov"> 0 : if (curtok == 0 || curtok == COL)</span></a>
|
|
<a name="591"><span class="lineNum"> 591 </span><span class="lineNoCov"> 0 : evalerror (_("expression expected"));</span></a>
|
|
<a name="592"><span class="lineNum"> 592 </span> : </a>
|
|
<a name="593"><span class="lineNum"> 593 </span><span class="lineNoCov"> 0 : val1 = EXP_HIGHEST ();</span></a>
|
|
<a name="594"><span class="lineNum"> 594 </span> : </a>
|
|
<a name="595"><span class="lineNum"> 595 </span><span class="lineNoCov"> 0 : if (set_noeval)</span></a>
|
|
<a name="596"><span class="lineNum"> 596 </span><span class="lineNoCov"> 0 : noeval--;</span></a>
|
|
<a name="597"><span class="lineNum"> 597 </span><span class="lineNoCov"> 0 : if (curtok != COL)</span></a>
|
|
<a name="598"><span class="lineNum"> 598 </span><span class="lineNoCov"> 0 : evalerror (_("`:' expected for conditional expression"));</span></a>
|
|
<a name="599"><span class="lineNum"> 599 </span> : </a>
|
|
<a name="600"><span class="lineNum"> 600 </span><span class="lineNoCov"> 0 : set_noeval = 0;</span></a>
|
|
<a name="601"><span class="lineNum"> 601 </span><span class="lineNoCov"> 0 : if (cval)</span></a>
|
|
<a name="602"><span class="lineNum"> 602 </span> : {</a>
|
|
<a name="603"><span class="lineNum"> 603 </span><span class="lineNoCov"> 0 : set_noeval = 1;</span></a>
|
|
<a name="604"><span class="lineNum"> 604 </span><span class="lineNoCov"> 0 : noeval++;</span></a>
|
|
<a name="605"><span class="lineNum"> 605 </span> : }</a>
|
|
<a name="606"><span class="lineNum"> 606 </span> : </a>
|
|
<a name="607"><span class="lineNum"> 607 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="608"><span class="lineNum"> 608 </span><span class="lineNoCov"> 0 : if (curtok == 0)</span></a>
|
|
<a name="609"><span class="lineNum"> 609 </span><span class="lineNoCov"> 0 : evalerror (_("expression expected"));</span></a>
|
|
<a name="610"><span class="lineNum"> 610 </span><span class="lineNoCov"> 0 : val2 = expcond ();</span></a>
|
|
<a name="611"><span class="lineNum"> 611 </span> : </a>
|
|
<a name="612"><span class="lineNum"> 612 </span><span class="lineNoCov"> 0 : if (set_noeval)</span></a>
|
|
<a name="613"><span class="lineNum"> 613 </span><span class="lineNoCov"> 0 : noeval--;</span></a>
|
|
<a name="614"><span class="lineNum"> 614 </span><span class="lineNoCov"> 0 : rval = cval ? val1 : val2;</span></a>
|
|
<a name="615"><span class="lineNum"> 615 </span><span class="lineNoCov"> 0 : lasttok = COND;</span></a>
|
|
<a name="616"><span class="lineNum"> 616 </span> : }</a>
|
|
<a name="617"><span class="lineNum"> 617 </span><span class="lineCov"> 9 : return rval;</span></a>
|
|
<a name="618"><span class="lineNum"> 618 </span> : }</a>
|
|
<a name="619"><span class="lineNum"> 619 </span> : </a>
|
|
<a name="620"><span class="lineNum"> 620 </span> : /* Logical OR. */</a>
|
|
<a name="621"><span class="lineNum"> 621 </span> : static intmax_t</a>
|
|
<a name="622"><span class="lineNum"> 622 </span><span class="lineCov"> 83 : explor ()</span></a>
|
|
<a name="623"><span class="lineNum"> 623 </span> : {</a>
|
|
<a name="624"><span class="lineNum"> 624 </span><span class="lineCov"> 83 : register intmax_t val1, val2;</span></a>
|
|
<a name="625"><span class="lineNum"> 625 </span><span class="lineCov"> 83 : int set_noeval;</span></a>
|
|
<a name="626"><span class="lineNum"> 626 </span> : </a>
|
|
<a name="627"><span class="lineNum"> 627 </span><span class="lineCov"> 83 : val1 = expland ();</span></a>
|
|
<a name="628"><span class="lineNum"> 628 </span> : </a>
|
|
<a name="629"><span class="lineNum"> 629 </span><span class="lineCov"> 83 : while (curtok == LOR)</span></a>
|
|
<a name="630"><span class="lineNum"> 630 </span> : {</a>
|
|
<a name="631"><span class="lineNum"> 631 </span><span class="lineNoCov"> 0 : set_noeval = 0;</span></a>
|
|
<a name="632"><span class="lineNum"> 632 </span><span class="lineNoCov"> 0 : if (val1 != 0)</span></a>
|
|
<a name="633"><span class="lineNum"> 633 </span> : {</a>
|
|
<a name="634"><span class="lineNum"> 634 </span><span class="lineNoCov"> 0 : noeval++;</span></a>
|
|
<a name="635"><span class="lineNum"> 635 </span><span class="lineNoCov"> 0 : set_noeval = 1;</span></a>
|
|
<a name="636"><span class="lineNum"> 636 </span> : }</a>
|
|
<a name="637"><span class="lineNum"> 637 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="638"><span class="lineNum"> 638 </span><span class="lineNoCov"> 0 : val2 = expland ();</span></a>
|
|
<a name="639"><span class="lineNum"> 639 </span><span class="lineNoCov"> 0 : if (set_noeval)</span></a>
|
|
<a name="640"><span class="lineNum"> 640 </span><span class="lineNoCov"> 0 : noeval--;</span></a>
|
|
<a name="641"><span class="lineNum"> 641 </span><span class="lineNoCov"> 0 : val1 = val1 || val2;</span></a>
|
|
<a name="642"><span class="lineNum"> 642 </span><span class="lineNoCov"> 0 : lasttok = LOR;</span></a>
|
|
<a name="643"><span class="lineNum"> 643 </span> : }</a>
|
|
<a name="644"><span class="lineNum"> 644 </span> : </a>
|
|
<a name="645"><span class="lineNum"> 645 </span><span class="lineCov"> 9 : return (val1);</span></a>
|
|
<a name="646"><span class="lineNum"> 646 </span> : }</a>
|
|
<a name="647"><span class="lineNum"> 647 </span> : </a>
|
|
<a name="648"><span class="lineNum"> 648 </span> : /* Logical AND. */</a>
|
|
<a name="649"><span class="lineNum"> 649 </span> : static intmax_t</a>
|
|
<a name="650"><span class="lineNum"> 650 </span><span class="lineCov"> 83 : expland ()</span></a>
|
|
<a name="651"><span class="lineNum"> 651 </span> : {</a>
|
|
<a name="652"><span class="lineNum"> 652 </span><span class="lineCov"> 83 : register intmax_t val1, val2;</span></a>
|
|
<a name="653"><span class="lineNum"> 653 </span><span class="lineCov"> 83 : int set_noeval;</span></a>
|
|
<a name="654"><span class="lineNum"> 654 </span> : </a>
|
|
<a name="655"><span class="lineNum"> 655 </span><span class="lineCov"> 83 : val1 = expbor ();</span></a>
|
|
<a name="656"><span class="lineNum"> 656 </span> : </a>
|
|
<a name="657"><span class="lineNum"> 657 </span><span class="lineCov"> 83 : while (curtok == LAND)</span></a>
|
|
<a name="658"><span class="lineNum"> 658 </span> : {</a>
|
|
<a name="659"><span class="lineNum"> 659 </span><span class="lineNoCov"> 0 : set_noeval = 0;</span></a>
|
|
<a name="660"><span class="lineNum"> 660 </span><span class="lineNoCov"> 0 : if (val1 == 0)</span></a>
|
|
<a name="661"><span class="lineNum"> 661 </span> : {</a>
|
|
<a name="662"><span class="lineNum"> 662 </span><span class="lineNoCov"> 0 : set_noeval = 1;</span></a>
|
|
<a name="663"><span class="lineNum"> 663 </span><span class="lineNoCov"> 0 : noeval++;</span></a>
|
|
<a name="664"><span class="lineNum"> 664 </span> : }</a>
|
|
<a name="665"><span class="lineNum"> 665 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="666"><span class="lineNum"> 666 </span><span class="lineNoCov"> 0 : val2 = expbor ();</span></a>
|
|
<a name="667"><span class="lineNum"> 667 </span><span class="lineNoCov"> 0 : if (set_noeval)</span></a>
|
|
<a name="668"><span class="lineNum"> 668 </span><span class="lineNoCov"> 0 : noeval--;</span></a>
|
|
<a name="669"><span class="lineNum"> 669 </span><span class="lineNoCov"> 0 : val1 = val1 && val2;</span></a>
|
|
<a name="670"><span class="lineNum"> 670 </span><span class="lineNoCov"> 0 : lasttok = LAND;</span></a>
|
|
<a name="671"><span class="lineNum"> 671 </span> : }</a>
|
|
<a name="672"><span class="lineNum"> 672 </span> : </a>
|
|
<a name="673"><span class="lineNum"> 673 </span><span class="lineCov"> 9 : return (val1);</span></a>
|
|
<a name="674"><span class="lineNum"> 674 </span> : }</a>
|
|
<a name="675"><span class="lineNum"> 675 </span> : </a>
|
|
<a name="676"><span class="lineNum"> 676 </span> : /* Bitwise OR. */</a>
|
|
<a name="677"><span class="lineNum"> 677 </span> : static intmax_t</a>
|
|
<a name="678"><span class="lineNum"> 678 </span><span class="lineCov"> 83 : expbor ()</span></a>
|
|
<a name="679"><span class="lineNum"> 679 </span> : {</a>
|
|
<a name="680"><span class="lineNum"> 680 </span><span class="lineCov"> 83 : register intmax_t val1, val2;</span></a>
|
|
<a name="681"><span class="lineNum"> 681 </span> : </a>
|
|
<a name="682"><span class="lineNum"> 682 </span><span class="lineCov"> 83 : val1 = expbxor ();</span></a>
|
|
<a name="683"><span class="lineNum"> 683 </span> : </a>
|
|
<a name="684"><span class="lineNum"> 684 </span><span class="lineCov"> 83 : while (curtok == BOR)</span></a>
|
|
<a name="685"><span class="lineNum"> 685 </span> : {</a>
|
|
<a name="686"><span class="lineNum"> 686 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="687"><span class="lineNum"> 687 </span><span class="lineNoCov"> 0 : val2 = expbxor ();</span></a>
|
|
<a name="688"><span class="lineNum"> 688 </span><span class="lineNoCov"> 0 : val1 = val1 | val2;</span></a>
|
|
<a name="689"><span class="lineNum"> 689 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="690"><span class="lineNum"> 690 </span> : }</a>
|
|
<a name="691"><span class="lineNum"> 691 </span> : </a>
|
|
<a name="692"><span class="lineNum"> 692 </span><span class="lineCov"> 9 : return (val1);</span></a>
|
|
<a name="693"><span class="lineNum"> 693 </span> : }</a>
|
|
<a name="694"><span class="lineNum"> 694 </span> : </a>
|
|
<a name="695"><span class="lineNum"> 695 </span> : /* Bitwise XOR. */</a>
|
|
<a name="696"><span class="lineNum"> 696 </span> : static intmax_t</a>
|
|
<a name="697"><span class="lineNum"> 697 </span><span class="lineCov"> 83 : expbxor ()</span></a>
|
|
<a name="698"><span class="lineNum"> 698 </span> : {</a>
|
|
<a name="699"><span class="lineNum"> 699 </span><span class="lineCov"> 83 : register intmax_t val1, val2;</span></a>
|
|
<a name="700"><span class="lineNum"> 700 </span> : </a>
|
|
<a name="701"><span class="lineNum"> 701 </span><span class="lineCov"> 83 : val1 = expband ();</span></a>
|
|
<a name="702"><span class="lineNum"> 702 </span> : </a>
|
|
<a name="703"><span class="lineNum"> 703 </span><span class="lineCov"> 83 : while (curtok == BXOR)</span></a>
|
|
<a name="704"><span class="lineNum"> 704 </span> : {</a>
|
|
<a name="705"><span class="lineNum"> 705 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="706"><span class="lineNum"> 706 </span><span class="lineNoCov"> 0 : val2 = expband ();</span></a>
|
|
<a name="707"><span class="lineNum"> 707 </span><span class="lineNoCov"> 0 : val1 = val1 ^ val2;</span></a>
|
|
<a name="708"><span class="lineNum"> 708 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="709"><span class="lineNum"> 709 </span> : }</a>
|
|
<a name="710"><span class="lineNum"> 710 </span> : </a>
|
|
<a name="711"><span class="lineNum"> 711 </span><span class="lineCov"> 9 : return (val1);</span></a>
|
|
<a name="712"><span class="lineNum"> 712 </span> : }</a>
|
|
<a name="713"><span class="lineNum"> 713 </span> : </a>
|
|
<a name="714"><span class="lineNum"> 714 </span> : /* Bitwise AND. */</a>
|
|
<a name="715"><span class="lineNum"> 715 </span> : static intmax_t</a>
|
|
<a name="716"><span class="lineNum"> 716 </span><span class="lineCov"> 83 : expband ()</span></a>
|
|
<a name="717"><span class="lineNum"> 717 </span> : {</a>
|
|
<a name="718"><span class="lineNum"> 718 </span><span class="lineCov"> 83 : register intmax_t val1, val2;</span></a>
|
|
<a name="719"><span class="lineNum"> 719 </span> : </a>
|
|
<a name="720"><span class="lineNum"> 720 </span><span class="lineCov"> 83 : val1 = exp5 ();</span></a>
|
|
<a name="721"><span class="lineNum"> 721 </span> : </a>
|
|
<a name="722"><span class="lineNum"> 722 </span><span class="lineCov"> 83 : while (curtok == BAND)</span></a>
|
|
<a name="723"><span class="lineNum"> 723 </span> : {</a>
|
|
<a name="724"><span class="lineNum"> 724 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="725"><span class="lineNum"> 725 </span><span class="lineNoCov"> 0 : val2 = exp5 ();</span></a>
|
|
<a name="726"><span class="lineNum"> 726 </span><span class="lineNoCov"> 0 : val1 = val1 & val2;</span></a>
|
|
<a name="727"><span class="lineNum"> 727 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="728"><span class="lineNum"> 728 </span> : }</a>
|
|
<a name="729"><span class="lineNum"> 729 </span> : </a>
|
|
<a name="730"><span class="lineNum"> 730 </span><span class="lineCov"> 9 : return (val1);</span></a>
|
|
<a name="731"><span class="lineNum"> 731 </span> : }</a>
|
|
<a name="732"><span class="lineNum"> 732 </span> : </a>
|
|
<a name="733"><span class="lineNum"> 733 </span> : static intmax_t</a>
|
|
<a name="734"><span class="lineNum"> 734 </span><span class="lineCov"> 83 : exp5 ()</span></a>
|
|
<a name="735"><span class="lineNum"> 735 </span> : {</a>
|
|
<a name="736"><span class="lineNum"> 736 </span><span class="lineCov"> 83 : register intmax_t val1, val2;</span></a>
|
|
<a name="737"><span class="lineNum"> 737 </span> : </a>
|
|
<a name="738"><span class="lineNum"> 738 </span><span class="lineCov"> 83 : val1 = exp4 ();</span></a>
|
|
<a name="739"><span class="lineNum"> 739 </span> : </a>
|
|
<a name="740"><span class="lineNum"> 740 </span><span class="lineCov"> 92 : while ((curtok == EQEQ) || (curtok == NEQ))</span></a>
|
|
<a name="741"><span class="lineNum"> 741 </span> : {</a>
|
|
<a name="742"><span class="lineNum"> 742 </span><span class="lineCov"> 9 : int op = curtok;</span></a>
|
|
<a name="743"><span class="lineNum"> 743 </span> : </a>
|
|
<a name="744"><span class="lineNum"> 744 </span><span class="lineCov"> 9 : readtok ();</span></a>
|
|
<a name="745"><span class="lineNum"> 745 </span><span class="lineCov"> 9 : val2 = exp4 ();</span></a>
|
|
<a name="746"><span class="lineNum"> 746 </span><span class="lineCov"> 9 : if (op == EQEQ)</span></a>
|
|
<a name="747"><span class="lineNum"> 747 </span><span class="lineNoCov"> 0 : val1 = (val1 == val2);</span></a>
|
|
<a name="748"><span class="lineNum"> 748 </span><span class="lineCov"> 9 : else if (op == NEQ)</span></a>
|
|
<a name="749"><span class="lineNum"> 749 </span><span class="lineCov"> 9 : val1 = (val1 != val2);</span></a>
|
|
<a name="750"><span class="lineNum"> 750 </span><span class="lineCov"> 9 : lasttok = NUM;</span></a>
|
|
<a name="751"><span class="lineNum"> 751 </span> : }</a>
|
|
<a name="752"><span class="lineNum"> 752 </span><span class="lineCov"> 9 : return (val1);</span></a>
|
|
<a name="753"><span class="lineNum"> 753 </span> : }</a>
|
|
<a name="754"><span class="lineNum"> 754 </span> : </a>
|
|
<a name="755"><span class="lineNum"> 755 </span> : static intmax_t</a>
|
|
<a name="756"><span class="lineNum"> 756 </span><span class="lineCov"> 92 : exp4 ()</span></a>
|
|
<a name="757"><span class="lineNum"> 757 </span> : {</a>
|
|
<a name="758"><span class="lineNum"> 758 </span><span class="lineCov"> 92 : register intmax_t val1, val2;</span></a>
|
|
<a name="759"><span class="lineNum"> 759 </span> : </a>
|
|
<a name="760"><span class="lineNum"> 760 </span><span class="lineCov"> 92 : val1 = expshift ();</span></a>
|
|
<a name="761"><span class="lineNum"> 761 </span><span class="lineCov"> 92 : while ((curtok == LEQ) ||</span></a>
|
|
<a name="762"><span class="lineNum"> 762 </span><span class="lineCov"> 18 : (curtok == GEQ) ||</span></a>
|
|
<a name="763"><span class="lineNum"> 763 </span><span class="lineCov"> 18 : (curtok == LT) ||</span></a>
|
|
<a name="764"><span class="lineNum"> 764 </span> : (curtok == GT))</a>
|
|
<a name="765"><span class="lineNum"> 765 </span> : {</a>
|
|
<a name="766"><span class="lineNum"> 766 </span><span class="lineNoCov"> 0 : int op = curtok;</span></a>
|
|
<a name="767"><span class="lineNum"> 767 </span> : </a>
|
|
<a name="768"><span class="lineNum"> 768 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="769"><span class="lineNum"> 769 </span><span class="lineNoCov"> 0 : val2 = expshift ();</span></a>
|
|
<a name="770"><span class="lineNum"> 770 </span> : </a>
|
|
<a name="771"><span class="lineNum"> 771 </span><span class="lineNoCov"> 0 : if (op == LEQ)</span></a>
|
|
<a name="772"><span class="lineNum"> 772 </span><span class="lineNoCov"> 0 : val1 = val1 <= val2;</span></a>
|
|
<a name="773"><span class="lineNum"> 773 </span><span class="lineNoCov"> 0 : else if (op == GEQ)</span></a>
|
|
<a name="774"><span class="lineNum"> 774 </span><span class="lineNoCov"> 0 : val1 = val1 >= val2;</span></a>
|
|
<a name="775"><span class="lineNum"> 775 </span><span class="lineNoCov"> 0 : else if (op == LT)</span></a>
|
|
<a name="776"><span class="lineNum"> 776 </span><span class="lineNoCov"> 0 : val1 = val1 < val2;</span></a>
|
|
<a name="777"><span class="lineNum"> 777 </span> : else /* (op == GT) */</a>
|
|
<a name="778"><span class="lineNum"> 778 </span><span class="lineNoCov"> 0 : val1 = val1 > val2;</span></a>
|
|
<a name="779"><span class="lineNum"> 779 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="780"><span class="lineNum"> 780 </span> : }</a>
|
|
<a name="781"><span class="lineNum"> 781 </span><span class="lineCov"> 18 : return (val1);</span></a>
|
|
<a name="782"><span class="lineNum"> 782 </span> : }</a>
|
|
<a name="783"><span class="lineNum"> 783 </span> : </a>
|
|
<a name="784"><span class="lineNum"> 784 </span> : /* Left and right shifts. */</a>
|
|
<a name="785"><span class="lineNum"> 785 </span> : static intmax_t</a>
|
|
<a name="786"><span class="lineNum"> 786 </span><span class="lineCov"> 92 : expshift ()</span></a>
|
|
<a name="787"><span class="lineNum"> 787 </span> : {</a>
|
|
<a name="788"><span class="lineNum"> 788 </span><span class="lineCov"> 92 : register intmax_t val1, val2;</span></a>
|
|
<a name="789"><span class="lineNum"> 789 </span> : </a>
|
|
<a name="790"><span class="lineNum"> 790 </span><span class="lineCov"> 92 : val1 = exp3 ();</span></a>
|
|
<a name="791"><span class="lineNum"> 791 </span> : </a>
|
|
<a name="792"><span class="lineNum"> 792 </span><span class="lineCov"> 92 : while ((curtok == LSH) || (curtok == RSH))</span></a>
|
|
<a name="793"><span class="lineNum"> 793 </span> : {</a>
|
|
<a name="794"><span class="lineNum"> 794 </span><span class="lineNoCov"> 0 : int op = curtok;</span></a>
|
|
<a name="795"><span class="lineNum"> 795 </span> : </a>
|
|
<a name="796"><span class="lineNum"> 796 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="797"><span class="lineNum"> 797 </span><span class="lineNoCov"> 0 : val2 = exp3 ();</span></a>
|
|
<a name="798"><span class="lineNum"> 798 </span> : </a>
|
|
<a name="799"><span class="lineNum"> 799 </span><span class="lineNoCov"> 0 : if (op == LSH)</span></a>
|
|
<a name="800"><span class="lineNum"> 800 </span><span class="lineNoCov"> 0 : val1 = val1 << val2;</span></a>
|
|
<a name="801"><span class="lineNum"> 801 </span> : else</a>
|
|
<a name="802"><span class="lineNum"> 802 </span><span class="lineNoCov"> 0 : val1 = val1 >> val2;</span></a>
|
|
<a name="803"><span class="lineNum"> 803 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="804"><span class="lineNum"> 804 </span> : }</a>
|
|
<a name="805"><span class="lineNum"> 805 </span> : </a>
|
|
<a name="806"><span class="lineNum"> 806 </span><span class="lineCov"> 18 : return (val1);</span></a>
|
|
<a name="807"><span class="lineNum"> 807 </span> : }</a>
|
|
<a name="808"><span class="lineNum"> 808 </span> : </a>
|
|
<a name="809"><span class="lineNum"> 809 </span> : static intmax_t</a>
|
|
<a name="810"><span class="lineNum"> 810 </span><span class="lineCov"> 92 : exp3 ()</span></a>
|
|
<a name="811"><span class="lineNum"> 811 </span> : {</a>
|
|
<a name="812"><span class="lineNum"> 812 </span><span class="lineCov"> 92 : register intmax_t val1, val2;</span></a>
|
|
<a name="813"><span class="lineNum"> 813 </span> : </a>
|
|
<a name="814"><span class="lineNum"> 814 </span><span class="lineCov"> 92 : val1 = bash_exp2 ();</span></a>
|
|
<a name="815"><span class="lineNum"> 815 </span> : </a>
|
|
<a name="816"><span class="lineNum"> 816 </span><span class="lineCov"> 92 : while ((curtok == PLUS) || (curtok == MINUS))</span></a>
|
|
<a name="817"><span class="lineNum"> 817 </span> : {</a>
|
|
<a name="818"><span class="lineNum"> 818 </span><span class="lineCov"> 9 : int op = curtok;</span></a>
|
|
<a name="819"><span class="lineNum"> 819 </span> : </a>
|
|
<a name="820"><span class="lineNum"> 820 </span><span class="lineCov"> 9 : readtok ();</span></a>
|
|
<a name="821"><span class="lineNum"> 821 </span><span class="lineNoCov"> 0 : val2 = bash_exp2 ();</span></a>
|
|
<a name="822"><span class="lineNum"> 822 </span> : </a>
|
|
<a name="823"><span class="lineNum"> 823 </span><span class="lineNoCov"> 0 : if (op == PLUS)</span></a>
|
|
<a name="824"><span class="lineNum"> 824 </span><span class="lineNoCov"> 0 : val1 += val2;</span></a>
|
|
<a name="825"><span class="lineNum"> 825 </span><span class="lineNoCov"> 0 : else if (op == MINUS)</span></a>
|
|
<a name="826"><span class="lineNum"> 826 </span><span class="lineNoCov"> 0 : val1 -= val2;</span></a>
|
|
<a name="827"><span class="lineNum"> 827 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="828"><span class="lineNum"> 828 </span> : }</a>
|
|
<a name="829"><span class="lineNum"> 829 </span><span class="lineCov"> 18 : return (val1);</span></a>
|
|
<a name="830"><span class="lineNum"> 830 </span> : }</a>
|
|
<a name="831"><span class="lineNum"> 831 </span> : </a>
|
|
<a name="832"><span class="lineNum"> 832 </span> : static intmax_t</a>
|
|
<a name="833"><span class="lineNum"> 833 </span><span class="lineCov"> 92 : bash_exp2 ()</span></a>
|
|
<a name="834"><span class="lineNum"> 834 </span> : {</a>
|
|
<a name="835"><span class="lineNum"> 835 </span><span class="lineCov"> 92 : register intmax_t val1, val2;</span></a>
|
|
<a name="836"><span class="lineNum"> 836 </span> : #if defined (HAVE_IMAXDIV)</a>
|
|
<a name="837"><span class="lineNum"> 837 </span><span class="lineCov"> 92 : imaxdiv_t idiv;</span></a>
|
|
<a name="838"><span class="lineNum"> 838 </span> : #endif</a>
|
|
<a name="839"><span class="lineNum"> 839 </span> : </a>
|
|
<a name="840"><span class="lineNum"> 840 </span><span class="lineCov"> 92 : val1 = exppower ();</span></a>
|
|
<a name="841"><span class="lineNum"> 841 </span> : </a>
|
|
<a name="842"><span class="lineNum"> 842 </span><span class="lineCov"> 92 : while ((curtok == MUL) ||</span></a>
|
|
<a name="843"><span class="lineNum"> 843 </span><span class="lineCov"> 27 : (curtok == DIV) ||</span></a>
|
|
<a name="844"><span class="lineNum"> 844 </span> : (curtok == MOD))</a>
|
|
<a name="845"><span class="lineNum"> 845 </span> : {</a>
|
|
<a name="846"><span class="lineNum"> 846 </span><span class="lineCov"> 47 : int op = curtok;</span></a>
|
|
<a name="847"><span class="lineNum"> 847 </span><span class="lineCov"> 47 : char *stp, *sltp;</span></a>
|
|
<a name="848"><span class="lineNum"> 848 </span> : </a>
|
|
<a name="849"><span class="lineNum"> 849 </span><span class="lineCov"> 47 : stp = tp;</span></a>
|
|
<a name="850"><span class="lineNum"> 850 </span><span class="lineCov"> 47 : readtok ();</span></a>
|
|
<a name="851"><span class="lineNum"> 851 </span> : </a>
|
|
<a name="852"><span class="lineNum"> 852 </span><span class="lineCov"> 38 : val2 = exppower ();</span></a>
|
|
<a name="853"><span class="lineNum"> 853 </span> : </a>
|
|
<a name="854"><span class="lineNum"> 854 </span> : /* Handle division by 0 and twos-complement arithmetic overflow */</a>
|
|
<a name="855"><span class="lineNum"> 855 </span><span class="lineCov"> 38 : if (((op == DIV) || (op == MOD)) && (val2 == 0))</span></a>
|
|
<a name="856"><span class="lineNum"> 856 </span> : {</a>
|
|
<a name="857"><span class="lineNum"> 857 </span><span class="lineCov"> 38 : if (noeval == 0)</span></a>
|
|
<a name="858"><span class="lineNum"> 858 </span> : {</a>
|
|
<a name="859"><span class="lineNum"> 859 </span><span class="lineCov"> 38 : sltp = lasttp;</span></a>
|
|
<a name="860"><span class="lineNum"> 860 </span><span class="lineCov"> 38 : lasttp = stp;</span></a>
|
|
<a name="861"><span class="lineNum"> 861 </span><span class="lineCov"> 38 : while (lasttp && *lasttp && whitespace (*lasttp))</span></a>
|
|
<a name="862"><span class="lineNum"> 862 </span><span class="lineNoCov"> 0 : lasttp++;</span></a>
|
|
<a name="863"><span class="lineNum"> 863 </span><span class="lineCov"> 38 : evalerror (_("division by 0"));</span></a>
|
|
<a name="864"><span class="lineNum"> 864 </span> : lasttp = sltp;</a>
|
|
<a name="865"><span class="lineNum"> 865 </span> : }</a>
|
|
<a name="866"><span class="lineNum"> 866 </span> : else</a>
|
|
<a name="867"><span class="lineNum"> 867 </span> : val2 = 1;</a>
|
|
<a name="868"><span class="lineNum"> 868 </span> : }</a>
|
|
<a name="869"><span class="lineNum"> 869 </span><span class="lineNoCov"> 0 : else if (op == MOD && val1 == INTMAX_MIN && val2 == -1)</span></a>
|
|
<a name="870"><span class="lineNum"> 870 </span> : {</a>
|
|
<a name="871"><span class="lineNum"> 871 </span> : val1 = 0;</a>
|
|
<a name="872"><span class="lineNum"> 872 </span> : continue;</a>
|
|
<a name="873"><span class="lineNum"> 873 </span> : }</a>
|
|
<a name="874"><span class="lineNum"> 874 </span><span class="lineNoCov"> 0 : else if (op == DIV && val1 == INTMAX_MIN && val2 == -1)</span></a>
|
|
<a name="875"><span class="lineNum"> 875 </span><span class="lineNoCov"> 0 : val2 = 1;</span></a>
|
|
<a name="876"><span class="lineNum"> 876 </span> : </a>
|
|
<a name="877"><span class="lineNum"> 877 </span><span class="lineNoCov"> 0 : if (op == MUL)</span></a>
|
|
<a name="878"><span class="lineNum"> 878 </span><span class="lineNoCov"> 0 : val1 *= val2;</span></a>
|
|
<a name="879"><span class="lineNum"> 879 </span><span class="lineNoCov"> 0 : else if (op == DIV || op == MOD)</span></a>
|
|
<a name="880"><span class="lineNum"> 880 </span> : #if defined (HAVE_IMAXDIV)</a>
|
|
<a name="881"><span class="lineNum"> 881 </span> : {</a>
|
|
<a name="882"><span class="lineNum"> 882 </span><span class="lineNoCov"> 0 : idiv = imaxdiv (val1, val2);</span></a>
|
|
<a name="883"><span class="lineNum"> 883 </span><span class="lineNoCov"> 0 : val1 = (op == DIV) ? idiv.quot : idiv.rem;</span></a>
|
|
<a name="884"><span class="lineNum"> 884 </span> : }</a>
|
|
<a name="885"><span class="lineNum"> 885 </span> : #else</a>
|
|
<a name="886"><span class="lineNum"> 886 </span> : val1 = (op == DIV) ? val1 / val2 : val1 % val2;</a>
|
|
<a name="887"><span class="lineNum"> 887 </span> : #endif</a>
|
|
<a name="888"><span class="lineNum"> 888 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="889"><span class="lineNum"> 889 </span> : }</a>
|
|
<a name="890"><span class="lineNum"> 890 </span><span class="lineCov"> 27 : return (val1);</span></a>
|
|
<a name="891"><span class="lineNum"> 891 </span> : }</a>
|
|
<a name="892"><span class="lineNum"> 892 </span> : </a>
|
|
<a name="893"><span class="lineNum"> 893 </span> : static intmax_t</a>
|
|
<a name="894"><span class="lineNum"> 894 </span> : ipow (base, exp)</a>
|
|
<a name="895"><span class="lineNum"> 895 </span> : intmax_t base, exp;</a>
|
|
<a name="896"><span class="lineNum"> 896 </span> : {</a>
|
|
<a name="897"><span class="lineNum"> 897 </span> : intmax_t result;</a>
|
|
<a name="898"><span class="lineNum"> 898 </span> : </a>
|
|
<a name="899"><span class="lineNum"> 899 </span> : result = 1;</a>
|
|
<a name="900"><span class="lineNum"> 900 </span><span class="lineNoCov"> 0 : while (exp)</span></a>
|
|
<a name="901"><span class="lineNum"> 901 </span> : {</a>
|
|
<a name="902"><span class="lineNum"> 902 </span><span class="lineNoCov"> 0 : if (exp & 1)</span></a>
|
|
<a name="903"><span class="lineNum"> 903 </span><span class="lineNoCov"> 0 : result *= base;</span></a>
|
|
<a name="904"><span class="lineNum"> 904 </span><span class="lineNoCov"> 0 : exp >>= 1;</span></a>
|
|
<a name="905"><span class="lineNum"> 905 </span><span class="lineNoCov"> 0 : base *= base;</span></a>
|
|
<a name="906"><span class="lineNum"> 906 </span> : }</a>
|
|
<a name="907"><span class="lineNum"> 907 </span> : return result;</a>
|
|
<a name="908"><span class="lineNum"> 908 </span> : }</a>
|
|
<a name="909"><span class="lineNum"> 909 </span> : </a>
|
|
<a name="910"><span class="lineNum"> 910 </span> : static intmax_t</a>
|
|
<a name="911"><span class="lineNum"> 911 </span><span class="lineCov"> 130 : exppower ()</span></a>
|
|
<a name="912"><span class="lineNum"> 912 </span> : {</a>
|
|
<a name="913"><span class="lineNum"> 913 </span><span class="lineCov"> 130 : register intmax_t val1, val2;</span></a>
|
|
<a name="914"><span class="lineNum"> 914 </span> : </a>
|
|
<a name="915"><span class="lineNum"> 915 </span><span class="lineCov"> 130 : val1 = exp1 ();</span></a>
|
|
<a name="916"><span class="lineNum"> 916 </span><span class="lineCov"> 130 : while (curtok == POWER)</span></a>
|
|
<a name="917"><span class="lineNum"> 917 </span> : {</a>
|
|
<a name="918"><span class="lineNum"> 918 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="919"><span class="lineNum"> 919 </span><span class="lineNoCov"> 0 : val2 = exppower (); /* exponentiation is right-associative */</span></a>
|
|
<a name="920"><span class="lineNum"> 920 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="921"><span class="lineNum"> 921 </span><span class="lineNoCov"> 0 : if (val2 == 0)</span></a>
|
|
<a name="922"><span class="lineNum"> 922 </span> : return (1);</a>
|
|
<a name="923"><span class="lineNum"> 923 </span><span class="lineNoCov"> 0 : if (val2 < 0)</span></a>
|
|
<a name="924"><span class="lineNum"> 924 </span><span class="lineNoCov"> 0 : evalerror (_("exponent less than 0"));</span></a>
|
|
<a name="925"><span class="lineNum"> 925 </span> : val1 = ipow (val1, val2);</a>
|
|
<a name="926"><span class="lineNum"> 926 </span> : }</a>
|
|
<a name="927"><span class="lineNum"> 927 </span> : return (val1);</a>
|
|
<a name="928"><span class="lineNum"> 928 </span> : }</a>
|
|
<a name="929"><span class="lineNum"> 929 </span> : </a>
|
|
<a name="930"><span class="lineNum"> 930 </span> : static intmax_t</a>
|
|
<a name="931"><span class="lineNum"> 931 </span><span class="lineCov"> 177 : exp1 ()</span></a>
|
|
<a name="932"><span class="lineNum"> 932 </span> : {</a>
|
|
<a name="933"><span class="lineNum"> 933 </span><span class="lineCov"> 177 : register intmax_t val;</span></a>
|
|
<a name="934"><span class="lineNum"> 934 </span> : </a>
|
|
<a name="935"><span class="lineNum"> 935 </span><span class="lineCov"> 177 : if (curtok == NOT)</span></a>
|
|
<a name="936"><span class="lineNum"> 936 </span> : {</a>
|
|
<a name="937"><span class="lineNum"> 937 </span><span class="lineCov"> 9 : readtok ();</span></a>
|
|
<a name="938"><span class="lineNum"> 938 </span><span class="lineCov"> 9 : val = !exp1 ();</span></a>
|
|
<a name="939"><span class="lineNum"> 939 </span><span class="lineCov"> 9 : lasttok = NUM;</span></a>
|
|
<a name="940"><span class="lineNum"> 940 </span> : }</a>
|
|
<a name="941"><span class="lineNum"> 941 </span><span class="lineCov"> 168 : else if (curtok == BNOT)</span></a>
|
|
<a name="942"><span class="lineNum"> 942 </span> : {</a>
|
|
<a name="943"><span class="lineNum"> 943 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="944"><span class="lineNum"> 944 </span><span class="lineNoCov"> 0 : val = ~exp1 ();</span></a>
|
|
<a name="945"><span class="lineNum"> 945 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="946"><span class="lineNum"> 946 </span> : }</a>
|
|
<a name="947"><span class="lineNum"> 947 </span><span class="lineCov"> 168 : else if (curtok == MINUS)</span></a>
|
|
<a name="948"><span class="lineNum"> 948 </span> : {</a>
|
|
<a name="949"><span class="lineNum"> 949 </span><span class="lineCov"> 38 : readtok ();</span></a>
|
|
<a name="950"><span class="lineNum"> 950 </span><span class="lineCov"> 38 : val = - exp1 ();</span></a>
|
|
<a name="951"><span class="lineNum"> 951 </span><span class="lineCov"> 38 : lasttok = NUM;</span></a>
|
|
<a name="952"><span class="lineNum"> 952 </span> : }</a>
|
|
<a name="953"><span class="lineNum"> 953 </span><span class="lineCov"> 130 : else if (curtok == PLUS)</span></a>
|
|
<a name="954"><span class="lineNum"> 954 </span> : {</a>
|
|
<a name="955"><span class="lineNum"> 955 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="956"><span class="lineNum"> 956 </span><span class="lineNoCov"> 0 : val = exp1 ();</span></a>
|
|
<a name="957"><span class="lineNum"> 957 </span><span class="lineNoCov"> 0 : lasttok = NUM;</span></a>
|
|
<a name="958"><span class="lineNum"> 958 </span> : }</a>
|
|
<a name="959"><span class="lineNum"> 959 </span> : else</a>
|
|
<a name="960"><span class="lineNum"> 960 </span><span class="lineCov"> 130 : val = exp0 ();</span></a>
|
|
<a name="961"><span class="lineNum"> 961 </span> : </a>
|
|
<a name="962"><span class="lineNum"> 962 </span><span class="lineCov"> 159 : return (val);</span></a>
|
|
<a name="963"><span class="lineNum"> 963 </span> : }</a>
|
|
<a name="964"><span class="lineNum"> 964 </span> : </a>
|
|
<a name="965"><span class="lineNum"> 965 </span> : static intmax_t</a>
|
|
<a name="966"><span class="lineNum"> 966 </span><span class="lineCov"> 130 : exp0 ()</span></a>
|
|
<a name="967"><span class="lineNum"> 967 </span> : {</a>
|
|
<a name="968"><span class="lineNum"> 968 </span><span class="lineCov"> 130 : register intmax_t val = 0, v2;</span></a>
|
|
<a name="969"><span class="lineNum"> 969 </span><span class="lineCov"> 130 : char *vincdec;</span></a>
|
|
<a name="970"><span class="lineNum"> 970 </span><span class="lineCov"> 130 : int stok;</span></a>
|
|
<a name="971"><span class="lineNum"> 971 </span><span class="lineCov"> 130 : EXPR_CONTEXT ec;</span></a>
|
|
<a name="972"><span class="lineNum"> 972 </span> : </a>
|
|
<a name="973"><span class="lineNum"> 973 </span> : /* XXX - might need additional logic here to decide whether or not</a>
|
|
<a name="974"><span class="lineNum"> 974 </span> : pre-increment or pre-decrement is legal at this point. */</a>
|
|
<a name="975"><span class="lineNum"> 975 </span><span class="lineCov"> 130 : if (curtok == PREINC || curtok == PREDEC)</span></a>
|
|
<a name="976"><span class="lineNum"> 976 </span> : {</a>
|
|
<a name="977"><span class="lineNum"> 977 </span><span class="lineNoCov"> 0 : stok = lasttok = curtok;</span></a>
|
|
<a name="978"><span class="lineNum"> 978 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="979"><span class="lineNum"> 979 </span><span class="lineNoCov"> 0 : if (curtok != STR)</span></a>
|
|
<a name="980"><span class="lineNum"> 980 </span> : /* readtok() catches this */</a>
|
|
<a name="981"><span class="lineNum"> 981 </span><span class="lineNoCov"> 0 : evalerror (_("identifier expected after pre-increment or pre-decrement"));</span></a>
|
|
<a name="982"><span class="lineNum"> 982 </span> : </a>
|
|
<a name="983"><span class="lineNum"> 983 </span><span class="lineNoCov"> 0 : v2 = tokval + ((stok == PREINC) ? 1 : -1);</span></a>
|
|
<a name="984"><span class="lineNum"> 984 </span><span class="lineNoCov"> 0 : vincdec = itos (v2);</span></a>
|
|
<a name="985"><span class="lineNum"> 985 </span><span class="lineNoCov"> 0 : if (noeval == 0)</span></a>
|
|
<a name="986"><span class="lineNum"> 986 </span> : {</a>
|
|
<a name="987"><span class="lineNum"> 987 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="988"><span class="lineNum"> 988 </span><span class="lineNoCov"> 0 : if (curlval.ind != -1)</span></a>
|
|
<a name="989"><span class="lineNum"> 989 </span><span class="lineNoCov"> 0 : expr_bind_array_element (curlval.tokstr, curlval.ind, vincdec);</span></a>
|
|
<a name="990"><span class="lineNum"> 990 </span> : else</a>
|
|
<a name="991"><span class="lineNum"> 991 </span> : #endif</a>
|
|
<a name="992"><span class="lineNum"> 992 </span><span class="lineNoCov"> 0 : expr_bind_variable (tokstr, vincdec);</span></a>
|
|
<a name="993"><span class="lineNum"> 993 </span> : }</a>
|
|
<a name="994"><span class="lineNum"> 994 </span><span class="lineNoCov"> 0 : free (vincdec);</span></a>
|
|
<a name="995"><span class="lineNum"> 995 </span><span class="lineNoCov"> 0 : val = v2;</span></a>
|
|
<a name="996"><span class="lineNum"> 996 </span> : </a>
|
|
<a name="997"><span class="lineNum"> 997 </span><span class="lineNoCov"> 0 : curtok = NUM; /* make sure --x=7 is flagged as an error */</span></a>
|
|
<a name="998"><span class="lineNum"> 998 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="999"><span class="lineNum"> 999 </span> : }</a>
|
|
<a name="1000"><span class="lineNum"> 1000 </span><span class="lineCov"> 130 : else if (curtok == LPAR)</span></a>
|
|
<a name="1001"><span class="lineNum"> 1001 </span> : {</a>
|
|
<a name="1002"><span class="lineNum"> 1002 </span> : /* XXX - save curlval here? Or entire expression context? */</a>
|
|
<a name="1003"><span class="lineNum"> 1003 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="1004"><span class="lineNum"> 1004 </span><span class="lineNoCov"> 0 : val = EXP_HIGHEST ();</span></a>
|
|
<a name="1005"><span class="lineNum"> 1005 </span> : </a>
|
|
<a name="1006"><span class="lineNum"> 1006 </span><span class="lineNoCov"> 0 : if (curtok != RPAR) /* ( */</span></a>
|
|
<a name="1007"><span class="lineNum"> 1007 </span><span class="lineNoCov"> 0 : evalerror (_("missing `)'"));</span></a>
|
|
<a name="1008"><span class="lineNum"> 1008 </span> : </a>
|
|
<a name="1009"><span class="lineNum"> 1009 </span> : /* Skip over closing paren. */</a>
|
|
<a name="1010"><span class="lineNum"> 1010 </span><span class="lineNoCov"> 0 : readtok ();</span></a>
|
|
<a name="1011"><span class="lineNum"> 1011 </span> : }</a>
|
|
<a name="1012"><span class="lineNum"> 1012 </span><span class="lineCov"> 130 : else if ((curtok == NUM) || (curtok == STR))</span></a>
|
|
<a name="1013"><span class="lineNum"> 1013 </span> : {</a>
|
|
<a name="1014"><span class="lineNum"> 1014 </span><span class="lineCov"> 121 : val = tokval;</span></a>
|
|
<a name="1015"><span class="lineNum"> 1015 </span><span class="lineCov"> 121 : if (curtok == STR)</span></a>
|
|
<a name="1016"><span class="lineNum"> 1016 </span> : {</a>
|
|
<a name="1017"><span class="lineNum"> 1017 </span><span class="lineCov"> 112 : SAVETOK (&ec);</span></a>
|
|
<a name="1018"><span class="lineNum"> 1018 </span><span class="lineCov"> 112 : tokstr = (char *)NULL; /* keep it from being freed */</span></a>
|
|
<a name="1019"><span class="lineNum"> 1019 </span><span class="lineCov"> 112 : noeval = 1;</span></a>
|
|
<a name="1020"><span class="lineNum"> 1020 </span><span class="lineCov"> 112 : readtok ();</span></a>
|
|
<a name="1021"><span class="lineNum"> 1021 </span><span class="lineCov"> 112 : stok = curtok;</span></a>
|
|
<a name="1022"><span class="lineNum"> 1022 </span> : </a>
|
|
<a name="1023"><span class="lineNum"> 1023 </span> : /* post-increment or post-decrement */</a>
|
|
<a name="1024"><span class="lineNum"> 1024 </span><span class="lineCov"> 112 : if (stok == POSTINC || stok == POSTDEC)</span></a>
|
|
<a name="1025"><span class="lineNum"> 1025 </span> : {</a>
|
|
<a name="1026"><span class="lineNum"> 1026 </span> : /* restore certain portions of EC */</a>
|
|
<a name="1027"><span class="lineNum"> 1027 </span><span class="lineNoCov"> 0 : tokstr = ec.tokstr;</span></a>
|
|
<a name="1028"><span class="lineNum"> 1028 </span><span class="lineNoCov"> 0 : noeval = ec.noeval;</span></a>
|
|
<a name="1029"><span class="lineNum"> 1029 </span><span class="lineNoCov"> 0 : curlval = ec.lval;</span></a>
|
|
<a name="1030"><span class="lineNum"> 1030 </span><span class="lineNoCov"> 0 : lasttok = STR; /* ec.curtok */</span></a>
|
|
<a name="1031"><span class="lineNum"> 1031 </span> : </a>
|
|
<a name="1032"><span class="lineNum"> 1032 </span><span class="lineNoCov"> 0 : v2 = val + ((stok == POSTINC) ? 1 : -1);</span></a>
|
|
<a name="1033"><span class="lineNum"> 1033 </span><span class="lineNoCov"> 0 : vincdec = itos (v2);</span></a>
|
|
<a name="1034"><span class="lineNum"> 1034 </span><span class="lineNoCov"> 0 : if (noeval == 0)</span></a>
|
|
<a name="1035"><span class="lineNum"> 1035 </span> : {</a>
|
|
<a name="1036"><span class="lineNum"> 1036 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1037"><span class="lineNum"> 1037 </span><span class="lineNoCov"> 0 : if (curlval.ind != -1)</span></a>
|
|
<a name="1038"><span class="lineNum"> 1038 </span><span class="lineNoCov"> 0 : expr_bind_array_element (curlval.tokstr, curlval.ind, vincdec);</span></a>
|
|
<a name="1039"><span class="lineNum"> 1039 </span> : else</a>
|
|
<a name="1040"><span class="lineNum"> 1040 </span> : #endif</a>
|
|
<a name="1041"><span class="lineNum"> 1041 </span><span class="lineNoCov"> 0 : expr_bind_variable (tokstr, vincdec);</span></a>
|
|
<a name="1042"><span class="lineNum"> 1042 </span> : }</a>
|
|
<a name="1043"><span class="lineNum"> 1043 </span><span class="lineNoCov"> 0 : free (vincdec);</span></a>
|
|
<a name="1044"><span class="lineNum"> 1044 </span><span class="lineNoCov"> 0 : curtok = NUM; /* make sure x++=7 is flagged as an error */</span></a>
|
|
<a name="1045"><span class="lineNum"> 1045 </span> : }</a>
|
|
<a name="1046"><span class="lineNum"> 1046 </span> : else</a>
|
|
<a name="1047"><span class="lineNum"> 1047 </span> : {</a>
|
|
<a name="1048"><span class="lineNum"> 1048 </span> : /* XXX - watch out for pointer aliasing issues here */</a>
|
|
<a name="1049"><span class="lineNum"> 1049 </span><span class="lineCov"> 112 : if (stok == STR) /* free new tokstr before old one is restored */</span></a>
|
|
<a name="1050"><span class="lineNum"> 1050 </span><span class="lineNoCov"> 0 : FREE (tokstr);</span></a>
|
|
<a name="1051"><span class="lineNum"> 1051 </span><span class="lineCov"> 112 : RESTORETOK (&ec);</span></a>
|
|
<a name="1052"><span class="lineNum"> 1052 </span> : }</a>
|
|
<a name="1053"><span class="lineNum"> 1053 </span> : }</a>
|
|
<a name="1054"><span class="lineNum"> 1054 </span> : </a>
|
|
<a name="1055"><span class="lineNum"> 1055 </span><span class="lineCov"> 121 : readtok ();</span></a>
|
|
<a name="1056"><span class="lineNum"> 1056 </span> : }</a>
|
|
<a name="1057"><span class="lineNum"> 1057 </span> : else</a>
|
|
<a name="1058"><span class="lineNum"> 1058 </span><span class="lineCov"> 9 : evalerror (_("syntax error: operand expected"));</span></a>
|
|
<a name="1059"><span class="lineNum"> 1059 </span> : </a>
|
|
<a name="1060"><span class="lineNum"> 1060 </span><span class="lineCov"> 112 : return (val);</span></a>
|
|
<a name="1061"><span class="lineNum"> 1061 </span> : }</a>
|
|
<a name="1062"><span class="lineNum"> 1062 </span> : </a>
|
|
<a name="1063"><span class="lineNum"> 1063 </span> : static void</a>
|
|
<a name="1064"><span class="lineNum"> 1064 </span> : init_lvalue (lv)</a>
|
|
<a name="1065"><span class="lineNum"> 1065 </span> : struct lvalue *lv;</a>
|
|
<a name="1066"><span class="lineNum"> 1066 </span> : {</a>
|
|
<a name="1067"><span class="lineNum"> 1067 </span><span class="lineCov"> 177 : lv->tokstr = 0;</span></a>
|
|
<a name="1068"><span class="lineNum"> 1068 </span><span class="lineCov"> 177 : lv->tokvar = 0;</span></a>
|
|
<a name="1069"><span class="lineNum"> 1069 </span><span class="lineCov"> 121 : lv->tokval = lv->ind = -1;</span></a>
|
|
<a name="1070"><span class="lineNum"> 1070 </span> : }</a>
|
|
<a name="1071"><span class="lineNum"> 1071 </span> : </a>
|
|
<a name="1072"><span class="lineNum"> 1072 </span> : #if 0</a>
|
|
<a name="1073"><span class="lineNum"> 1073 </span> : static struct lvalue *</a>
|
|
<a name="1074"><span class="lineNum"> 1074 </span> : alloc_lvalue ()</a>
|
|
<a name="1075"><span class="lineNum"> 1075 </span> : {</a>
|
|
<a name="1076"><span class="lineNum"> 1076 </span> : struct lvalue *lv;</a>
|
|
<a name="1077"><span class="lineNum"> 1077 </span> : </a>
|
|
<a name="1078"><span class="lineNum"> 1078 </span> : lv = xmalloc (sizeof (struct lvalue));</a>
|
|
<a name="1079"><span class="lineNum"> 1079 </span> : init_lvalue (lv);</a>
|
|
<a name="1080"><span class="lineNum"> 1080 </span> : return (lv);</a>
|
|
<a name="1081"><span class="lineNum"> 1081 </span> : }</a>
|
|
<a name="1082"><span class="lineNum"> 1082 </span> : #endif</a>
|
|
<a name="1083"><span class="lineNum"> 1083 </span> : </a>
|
|
<a name="1084"><span class="lineNum"> 1084 </span> : #if 0</a>
|
|
<a name="1085"><span class="lineNum"> 1085 </span> : static void</a>
|
|
<a name="1086"><span class="lineNum"> 1086 </span> : free_lvalue (lv)</a>
|
|
<a name="1087"><span class="lineNum"> 1087 </span> : struct lvalue *lv;</a>
|
|
<a name="1088"><span class="lineNum"> 1088 </span> : {</a>
|
|
<a name="1089"><span class="lineNum"> 1089 </span> : free (lv); /* should be inlined */</a>
|
|
<a name="1090"><span class="lineNum"> 1090 </span> : }</a>
|
|
<a name="1091"><span class="lineNum"> 1091 </span> : #endif</a>
|
|
<a name="1092"><span class="lineNum"> 1092 </span> : </a>
|
|
<a name="1093"><span class="lineNum"> 1093 </span> : static intmax_t</a>
|
|
<a name="1094"><span class="lineNum"> 1094 </span><span class="lineCov"> 112 : expr_streval (tok, e, lvalue)</span></a>
|
|
<a name="1095"><span class="lineNum"> 1095 </span> : char *tok;</a>
|
|
<a name="1096"><span class="lineNum"> 1096 </span> : int e;</a>
|
|
<a name="1097"><span class="lineNum"> 1097 </span> : struct lvalue *lvalue;</a>
|
|
<a name="1098"><span class="lineNum"> 1098 </span> : {</a>
|
|
<a name="1099"><span class="lineNum"> 1099 </span><span class="lineCov"> 112 : SHELL_VAR *v;</span></a>
|
|
<a name="1100"><span class="lineNum"> 1100 </span><span class="lineCov"> 112 : char *value;</span></a>
|
|
<a name="1101"><span class="lineNum"> 1101 </span><span class="lineCov"> 112 : intmax_t tval;</span></a>
|
|
<a name="1102"><span class="lineNum"> 1102 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1103"><span class="lineNum"> 1103 </span><span class="lineCov"> 112 : arrayind_t ind;</span></a>
|
|
<a name="1104"><span class="lineNum"> 1104 </span> : #endif</a>
|
|
<a name="1105"><span class="lineNum"> 1105 </span> : </a>
|
|
<a name="1106"><span class="lineNum"> 1106 </span> : /*itrace("expr_streval: %s: noeval = %d", tok, noeval);*/</a>
|
|
<a name="1107"><span class="lineNum"> 1107 </span> : /* If we are suppressing evaluation, just short-circuit here instead of</a>
|
|
<a name="1108"><span class="lineNum"> 1108 </span> : going through the rest of the evaluator. */</a>
|
|
<a name="1109"><span class="lineNum"> 1109 </span><span class="lineCov"> 112 : if (noeval)</span></a>
|
|
<a name="1110"><span class="lineNum"> 1110 </span> : return (0);</a>
|
|
<a name="1111"><span class="lineNum"> 1111 </span> : </a>
|
|
<a name="1112"><span class="lineNum"> 1112 </span> : /* [[[[[ */</a>
|
|
<a name="1113"><span class="lineNum"> 1113 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1114"><span class="lineNum"> 1114 </span><span class="lineCov"> 112 : v = (e == ']') ? array_variable_part (tok, (char **)0, (int *)0) : find_variable (tok);</span></a>
|
|
<a name="1115"><span class="lineNum"> 1115 </span> : #else</a>
|
|
<a name="1116"><span class="lineNum"> 1116 </span> : v = find_variable (tok);</a>
|
|
<a name="1117"><span class="lineNum"> 1117 </span> : #endif</a>
|
|
<a name="1118"><span class="lineNum"> 1118 </span> : </a>
|
|
<a name="1119"><span class="lineNum"> 1119 </span><span class="lineCov"> 112 : if ((v == 0 || invisible_p (v)) && unbound_vars_is_error)</span></a>
|
|
<a name="1120"><span class="lineNum"> 1120 </span> : {</a>
|
|
<a name="1121"><span class="lineNum"> 1121 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1122"><span class="lineNum"> 1122 </span><span class="lineNoCov"> 0 : value = (e == ']') ? array_variable_name (tok, (char **)0, (int *)0) : tok;</span></a>
|
|
<a name="1123"><span class="lineNum"> 1123 </span> : #else</a>
|
|
<a name="1124"><span class="lineNum"> 1124 </span> : value = tok;</a>
|
|
<a name="1125"><span class="lineNum"> 1125 </span> : #endif</a>
|
|
<a name="1126"><span class="lineNum"> 1126 </span> : </a>
|
|
<a name="1127"><span class="lineNum"> 1127 </span><span class="lineNoCov"> 0 : last_command_exit_value = EXECUTION_FAILURE;</span></a>
|
|
<a name="1128"><span class="lineNum"> 1128 </span><span class="lineNoCov"> 0 : err_unboundvar (value);</span></a>
|
|
<a name="1129"><span class="lineNum"> 1129 </span> : </a>
|
|
<a name="1130"><span class="lineNum"> 1130 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1131"><span class="lineNum"> 1131 </span><span class="lineNoCov"> 0 : if (e == ']')</span></a>
|
|
<a name="1132"><span class="lineNum"> 1132 </span><span class="lineNoCov"> 0 : FREE (value); /* array_variable_name returns new memory */</span></a>
|
|
<a name="1133"><span class="lineNum"> 1133 </span> : #endif</a>
|
|
<a name="1134"><span class="lineNum"> 1134 </span> : </a>
|
|
<a name="1135"><span class="lineNum"> 1135 </span><span class="lineNoCov"> 0 : if (no_longjmp_on_fatal_error && interactive_shell)</span></a>
|
|
<a name="1136"><span class="lineNum"> 1136 </span><span class="lineNoCov"> 0 : sh_longjmp (evalbuf, 1);</span></a>
|
|
<a name="1137"><span class="lineNum"> 1137 </span> : </a>
|
|
<a name="1138"><span class="lineNum"> 1138 </span><span class="lineNoCov"> 0 : if (interactive_shell)</span></a>
|
|
<a name="1139"><span class="lineNum"> 1139 </span> : {</a>
|
|
<a name="1140"><span class="lineNum"> 1140 </span><span class="lineNoCov"> 0 : expr_unwind ();</span></a>
|
|
<a name="1141"><span class="lineNum"> 1141 </span><span class="lineNoCov"> 0 : top_level_cleanup ();</span></a>
|
|
<a name="1142"><span class="lineNum"> 1142 </span><span class="lineNoCov"> 0 : jump_to_top_level (DISCARD);</span></a>
|
|
<a name="1143"><span class="lineNum"> 1143 </span> : }</a>
|
|
<a name="1144"><span class="lineNum"> 1144 </span> : else</a>
|
|
<a name="1145"><span class="lineNum"> 1145 </span><span class="lineNoCov"> 0 : jump_to_top_level (FORCE_EOF);</span></a>
|
|
<a name="1146"><span class="lineNum"> 1146 </span> : }</a>
|
|
<a name="1147"><span class="lineNum"> 1147 </span> : </a>
|
|
<a name="1148"><span class="lineNum"> 1148 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1149"><span class="lineNum"> 1149 </span><span class="lineCov"> 112 : ind = -1;</span></a>
|
|
<a name="1150"><span class="lineNum"> 1150 </span> : /* Second argument of 0 to get_array_value means that we don't allow</a>
|
|
<a name="1151"><span class="lineNum"> 1151 </span> : references like array[@]. In this case, get_array_value is just</a>
|
|
<a name="1152"><span class="lineNum"> 1152 </span> : like get_variable_value in that it does not return newly-allocated</a>
|
|
<a name="1153"><span class="lineNum"> 1153 </span> : memory or quote the results. */</a>
|
|
<a name="1154"><span class="lineNum"> 1154 </span><span class="lineCov"> 112 : value = (e == ']') ? get_array_value (tok, 0, (int *)NULL, &ind) : get_variable_value (v);</span></a>
|
|
<a name="1155"><span class="lineNum"> 1155 </span> : #else</a>
|
|
<a name="1156"><span class="lineNum"> 1156 </span> : value = get_variable_value (v);</a>
|
|
<a name="1157"><span class="lineNum"> 1157 </span> : #endif</a>
|
|
<a name="1158"><span class="lineNum"> 1158 </span> : </a>
|
|
<a name="1159"><span class="lineNum"> 1159 </span><span class="lineCov"> 112 : tval = (value && *value) ? subexpr (value) : 0;</span></a>
|
|
<a name="1160"><span class="lineNum"> 1160 </span> : </a>
|
|
<a name="1161"><span class="lineNum"> 1161 </span><span class="lineCov"> 112 : if (lvalue)</span></a>
|
|
<a name="1162"><span class="lineNum"> 1162 </span> : {</a>
|
|
<a name="1163"><span class="lineNum"> 1163 </span><span class="lineCov"> 112 : lvalue->tokstr = tok; /* XXX */</span></a>
|
|
<a name="1164"><span class="lineNum"> 1164 </span><span class="lineCov"> 112 : lvalue->tokval = tval;</span></a>
|
|
<a name="1165"><span class="lineNum"> 1165 </span><span class="lineCov"> 112 : lvalue->tokvar = v; /* XXX */</span></a>
|
|
<a name="1166"><span class="lineNum"> 1166 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1167"><span class="lineNum"> 1167 </span><span class="lineCov"> 112 : lvalue->ind = ind;</span></a>
|
|
<a name="1168"><span class="lineNum"> 1168 </span> : #else</a>
|
|
<a name="1169"><span class="lineNum"> 1169 </span> : lvalue->ind = -1;</a>
|
|
<a name="1170"><span class="lineNum"> 1170 </span> : #endif</a>
|
|
<a name="1171"><span class="lineNum"> 1171 </span> : }</a>
|
|
<a name="1172"><span class="lineNum"> 1172 </span> : </a>
|
|
<a name="1173"><span class="lineNum"> 1173 </span> : return (tval);</a>
|
|
<a name="1174"><span class="lineNum"> 1174 </span> : }</a>
|
|
<a name="1175"><span class="lineNum"> 1175 </span> : </a>
|
|
<a name="1176"><span class="lineNum"> 1176 </span> : static int</a>
|
|
<a name="1177"><span class="lineNum"> 1177 </span> : _is_multiop (c)</a>
|
|
<a name="1178"><span class="lineNum"> 1178 </span> : int c;</a>
|
|
<a name="1179"><span class="lineNum"> 1179 </span> : {</a>
|
|
<a name="1180"><span class="lineNum"> 1180 </span><span class="lineCov"> 27 : switch (c)</span></a>
|
|
<a name="1181"><span class="lineNum"> 1181 </span> : {</a>
|
|
<a name="1182"><span class="lineNum"> 1182 </span> : case EQEQ:</a>
|
|
<a name="1183"><span class="lineNum"> 1183 </span> : case NEQ:</a>
|
|
<a name="1184"><span class="lineNum"> 1184 </span> : case LEQ:</a>
|
|
<a name="1185"><span class="lineNum"> 1185 </span> : case GEQ:</a>
|
|
<a name="1186"><span class="lineNum"> 1186 </span> : case LAND:</a>
|
|
<a name="1187"><span class="lineNum"> 1187 </span> : case LOR:</a>
|
|
<a name="1188"><span class="lineNum"> 1188 </span> : case LSH:</a>
|
|
<a name="1189"><span class="lineNum"> 1189 </span> : case RSH:</a>
|
|
<a name="1190"><span class="lineNum"> 1190 </span> : case OP_ASSIGN:</a>
|
|
<a name="1191"><span class="lineNum"> 1191 </span> : case COND:</a>
|
|
<a name="1192"><span class="lineNum"> 1192 </span> : case POWER:</a>
|
|
<a name="1193"><span class="lineNum"> 1193 </span> : case PREINC:</a>
|
|
<a name="1194"><span class="lineNum"> 1194 </span> : case PREDEC:</a>
|
|
<a name="1195"><span class="lineNum"> 1195 </span> : case POSTINC:</a>
|
|
<a name="1196"><span class="lineNum"> 1196 </span> : case POSTDEC:</a>
|
|
<a name="1197"><span class="lineNum"> 1197 </span> : return 1;</a>
|
|
<a name="1198"><span class="lineNum"> 1198 </span> : default:</a>
|
|
<a name="1199"><span class="lineNum"> 1199 </span> : return 0;</a>
|
|
<a name="1200"><span class="lineNum"> 1200 </span> : }</a>
|
|
<a name="1201"><span class="lineNum"> 1201 </span> : }</a>
|
|
<a name="1202"><span class="lineNum"> 1202 </span> : </a>
|
|
<a name="1203"><span class="lineNum"> 1203 </span> : static int</a>
|
|
<a name="1204"><span class="lineNum"> 1204 </span><span class="lineCov"> 421 : _is_arithop (c)</span></a>
|
|
<a name="1205"><span class="lineNum"> 1205 </span> : int c;</a>
|
|
<a name="1206"><span class="lineNum"> 1206 </span> : {</a>
|
|
<a name="1207"><span class="lineNum"> 1207 </span><span class="lineCov"> 421 : switch (c)</span></a>
|
|
<a name="1208"><span class="lineNum"> 1208 </span> : {</a>
|
|
<a name="1209"><span class="lineNum"> 1209 </span> : case EQ:</a>
|
|
<a name="1210"><span class="lineNum"> 1210 </span> : case GT:</a>
|
|
<a name="1211"><span class="lineNum"> 1211 </span> : case LT:</a>
|
|
<a name="1212"><span class="lineNum"> 1212 </span> : case PLUS:</a>
|
|
<a name="1213"><span class="lineNum"> 1213 </span> : case MINUS:</a>
|
|
<a name="1214"><span class="lineNum"> 1214 </span> : case MUL:</a>
|
|
<a name="1215"><span class="lineNum"> 1215 </span> : case DIV:</a>
|
|
<a name="1216"><span class="lineNum"> 1216 </span> : case MOD:</a>
|
|
<a name="1217"><span class="lineNum"> 1217 </span> : case NOT:</a>
|
|
<a name="1218"><span class="lineNum"> 1218 </span> : case LPAR:</a>
|
|
<a name="1219"><span class="lineNum"> 1219 </span> : case RPAR:</a>
|
|
<a name="1220"><span class="lineNum"> 1220 </span> : case BAND:</a>
|
|
<a name="1221"><span class="lineNum"> 1221 </span> : case BOR:</a>
|
|
<a name="1222"><span class="lineNum"> 1222 </span> : case BXOR:</a>
|
|
<a name="1223"><span class="lineNum"> 1223 </span> : case BNOT:</a>
|
|
<a name="1224"><span class="lineNum"> 1224 </span> : return 1; /* operator tokens */</a>
|
|
<a name="1225"><span class="lineNum"> 1225 </span> : case QUES:</a>
|
|
<a name="1226"><span class="lineNum"> 1226 </span> : case COL:</a>
|
|
<a name="1227"><span class="lineNum"> 1227 </span> : case COMMA:</a>
|
|
<a name="1228"><span class="lineNum"> 1228 </span> : return 1; /* questionable */</a>
|
|
<a name="1229"><span class="lineNum"> 1229 </span><span class="lineCov"> 83 : default:</span></a>
|
|
<a name="1230"><span class="lineNum"> 1230 </span><span class="lineCov"> 83 : return 0; /* anything else is invalid */</span></a>
|
|
<a name="1231"><span class="lineNum"> 1231 </span> : }</a>
|
|
<a name="1232"><span class="lineNum"> 1232 </span> : }</a>
|
|
<a name="1233"><span class="lineNum"> 1233 </span> : </a>
|
|
<a name="1234"><span class="lineNum"> 1234 </span> : /* Lexical analyzer/token reader for the expression evaluator. Reads the</a>
|
|
<a name="1235"><span class="lineNum"> 1235 </span> : next token and puts its value into curtok, while advancing past it.</a>
|
|
<a name="1236"><span class="lineNum"> 1236 </span> : Updates value of tp. May also set tokval (for number) or tokstr (for</a>
|
|
<a name="1237"><span class="lineNum"> 1237 </span> : string). */</a>
|
|
<a name="1238"><span class="lineNum"> 1238 </span> : static void</a>
|
|
<a name="1239"><span class="lineNum"> 1239 </span><span class="lineCov"> 596 : readtok ()</span></a>
|
|
<a name="1240"><span class="lineNum"> 1240 </span> : {</a>
|
|
<a name="1241"><span class="lineNum"> 1241 </span><span class="lineCov"> 596 : register char *cp, *xp;</span></a>
|
|
<a name="1242"><span class="lineNum"> 1242 </span><span class="lineCov"> 596 : register unsigned char c, c1;</span></a>
|
|
<a name="1243"><span class="lineNum"> 1243 </span><span class="lineCov"> 596 : register int e;</span></a>
|
|
<a name="1244"><span class="lineNum"> 1244 </span> : </a>
|
|
<a name="1245"><span class="lineNum"> 1245 </span> : /* Skip leading whitespace. */</a>
|
|
<a name="1246"><span class="lineNum"> 1246 </span><span class="lineCov"> 596 : cp = tp;</span></a>
|
|
<a name="1247"><span class="lineNum"> 1247 </span><span class="lineCov"> 596 : c = e = 0;</span></a>
|
|
<a name="1248"><span class="lineNum"> 1248 </span><span class="lineCov"> 848 : while (cp && (c = *cp) && (cr_whitespace (c)))</span></a>
|
|
<a name="1249"><span class="lineNum"> 1249 </span><span class="lineCov"> 252 : cp++;</span></a>
|
|
<a name="1250"><span class="lineNum"> 1250 </span> : </a>
|
|
<a name="1251"><span class="lineNum"> 1251 </span><span class="lineCov"> 596 : if (c)</span></a>
|
|
<a name="1252"><span class="lineNum"> 1252 </span><span class="lineCov"> 569 : cp++;</span></a>
|
|
<a name="1253"><span class="lineNum"> 1253 </span> : </a>
|
|
<a name="1254"><span class="lineNum"> 1254 </span><span class="lineCov"> 596 : if (c == '\0')</span></a>
|
|
<a name="1255"><span class="lineNum"> 1255 </span> : {</a>
|
|
<a name="1256"><span class="lineNum"> 1256 </span><span class="lineCov"> 27 : lasttok = curtok;</span></a>
|
|
<a name="1257"><span class="lineNum"> 1257 </span><span class="lineCov"> 27 : curtok = 0;</span></a>
|
|
<a name="1258"><span class="lineNum"> 1258 </span><span class="lineCov"> 27 : tp = cp;</span></a>
|
|
<a name="1259"><span class="lineNum"> 1259 </span><span class="lineCov"> 27 : return;</span></a>
|
|
<a name="1260"><span class="lineNum"> 1260 </span> : }</a>
|
|
<a name="1261"><span class="lineNum"> 1261 </span><span class="lineCov"> 569 : lasttp = tp = cp - 1;</span></a>
|
|
<a name="1262"><span class="lineNum"> 1262 </span> : </a>
|
|
<a name="1263"><span class="lineNum"> 1263 </span><span class="lineCov"> 569 : if (legal_variable_starter (c))</span></a>
|
|
<a name="1264"><span class="lineNum"> 1264 </span><span class="lineCov"> 112 : {</span></a>
|
|
<a name="1265"><span class="lineNum"> 1265 </span> : /* variable names not preceded with a dollar sign are shell variables. */</a>
|
|
<a name="1266"><span class="lineNum"> 1266 </span> : char *savecp;</a>
|
|
<a name="1267"><span class="lineNum"> 1267 </span> : EXPR_CONTEXT ec;</a>
|
|
<a name="1268"><span class="lineNum"> 1268 </span> : int peektok;</a>
|
|
<a name="1269"><span class="lineNum"> 1269 </span> : </a>
|
|
<a name="1270"><span class="lineNum"> 1270 </span><span class="lineCov"> 570 : while (legal_variable_char (c))</span></a>
|
|
<a name="1271"><span class="lineNum"> 1271 </span><span class="lineCov"> 440 : c = *cp++;</span></a>
|
|
<a name="1272"><span class="lineNum"> 1272 </span> : </a>
|
|
<a name="1273"><span class="lineNum"> 1273 </span><span class="lineCov"> 130 : c = *--cp;</span></a>
|
|
<a name="1274"><span class="lineNum"> 1274 </span> : </a>
|
|
<a name="1275"><span class="lineNum"> 1275 </span> : #if defined (ARRAY_VARS)</a>
|
|
<a name="1276"><span class="lineNum"> 1276 </span><span class="lineCov"> 130 : if (c == '[')</span></a>
|
|
<a name="1277"><span class="lineNum"> 1277 </span> : {</a>
|
|
<a name="1278"><span class="lineNum"> 1278 </span><span class="lineNoCov"> 0 : e = skipsubscript (cp, 0, 0);</span></a>
|
|
<a name="1279"><span class="lineNum"> 1279 </span><span class="lineNoCov"> 0 : if (cp[e] == ']')</span></a>
|
|
<a name="1280"><span class="lineNum"> 1280 </span> : {</a>
|
|
<a name="1281"><span class="lineNum"> 1281 </span><span class="lineNoCov"> 0 : cp += e + 1;</span></a>
|
|
<a name="1282"><span class="lineNum"> 1282 </span><span class="lineNoCov"> 0 : c = *cp;</span></a>
|
|
<a name="1283"><span class="lineNum"> 1283 </span><span class="lineNoCov"> 0 : e = ']';</span></a>
|
|
<a name="1284"><span class="lineNum"> 1284 </span> : }</a>
|
|
<a name="1285"><span class="lineNum"> 1285 </span> : else</a>
|
|
<a name="1286"><span class="lineNum"> 1286 </span><span class="lineNoCov"> 0 : evalerror (bash_badsub_errmsg);</span></a>
|
|
<a name="1287"><span class="lineNum"> 1287 </span> : }</a>
|
|
<a name="1288"><span class="lineNum"> 1288 </span> : #endif /* ARRAY_VARS */</a>
|
|
<a name="1289"><span class="lineNum"> 1289 </span> : </a>
|
|
<a name="1290"><span class="lineNum"> 1290 </span><span class="lineCov"> 130 : *cp = '\0';</span></a>
|
|
<a name="1291"><span class="lineNum"> 1291 </span> : /* XXX - watch out for pointer aliasing issues here */</a>
|
|
<a name="1292"><span class="lineNum"> 1292 </span><span class="lineCov"> 130 : if (curlval.tokstr && curlval.tokstr == tokstr)</span></a>
|
|
<a name="1293"><span class="lineNum"> 1293 </span><span class="lineCov"> 56 : init_lvalue (&curlval);</span></a>
|
|
<a name="1294"><span class="lineNum"> 1294 </span> : </a>
|
|
<a name="1295"><span class="lineNum"> 1295 </span><span class="lineCov"> 130 : FREE (tokstr);</span></a>
|
|
<a name="1296"><span class="lineNum"> 1296 </span><span class="lineCov"> 130 : tokstr = savestring (tp);</span></a>
|
|
<a name="1297"><span class="lineNum"> 1297 </span><span class="lineCov"> 130 : *cp = c;</span></a>
|
|
<a name="1298"><span class="lineNum"> 1298 </span> : </a>
|
|
<a name="1299"><span class="lineNum"> 1299 </span> : /* XXX - make peektok part of saved token state? */</a>
|
|
<a name="1300"><span class="lineNum"> 1300 </span><span class="lineCov"> 130 : SAVETOK (&ec);</span></a>
|
|
<a name="1301"><span class="lineNum"> 1301 </span><span class="lineCov"> 130 : tokstr = (char *)NULL; /* keep it from being freed */</span></a>
|
|
<a name="1302"><span class="lineNum"> 1302 </span><span class="lineCov"> 130 : tp = savecp = cp;</span></a>
|
|
<a name="1303"><span class="lineNum"> 1303 </span><span class="lineCov"> 130 : noeval = 1;</span></a>
|
|
<a name="1304"><span class="lineNum"> 1304 </span><span class="lineCov"> 130 : curtok = STR;</span></a>
|
|
<a name="1305"><span class="lineNum"> 1305 </span><span class="lineCov"> 130 : readtok ();</span></a>
|
|
<a name="1306"><span class="lineNum"> 1306 </span><span class="lineCov"> 112 : peektok = curtok;</span></a>
|
|
<a name="1307"><span class="lineNum"> 1307 </span><span class="lineCov"> 112 : if (peektok == STR) /* free new tokstr before old one is restored */</span></a>
|
|
<a name="1308"><span class="lineNum"> 1308 </span><span class="lineNoCov"> 0 : FREE (tokstr);</span></a>
|
|
<a name="1309"><span class="lineNum"> 1309 </span><span class="lineCov"> 112 : RESTORETOK (&ec);</span></a>
|
|
<a name="1310"><span class="lineNum"> 1310 </span><span class="lineCov"> 112 : cp = savecp;</span></a>
|
|
<a name="1311"><span class="lineNum"> 1311 </span> : </a>
|
|
<a name="1312"><span class="lineNum"> 1312 </span> : /* The tests for PREINC and PREDEC aren't strictly correct, but they</a>
|
|
<a name="1313"><span class="lineNum"> 1313 </span> : preserve old behavior if a construct like --x=9 is given. */</a>
|
|
<a name="1314"><span class="lineNum"> 1314 </span><span class="lineCov"> 112 : if (lasttok == PREINC || lasttok == PREDEC || peektok != EQ)</span></a>
|
|
<a name="1315"><span class="lineNum"> 1315 </span> : {</a>
|
|
<a name="1316"><span class="lineNum"> 1316 </span><span class="lineCov"> 112 : lastlval = curlval;</span></a>
|
|
<a name="1317"><span class="lineNum"> 1317 </span><span class="lineCov"> 112 : tokval = expr_streval (tokstr, e, &curlval);</span></a>
|
|
<a name="1318"><span class="lineNum"> 1318 </span> : }</a>
|
|
<a name="1319"><span class="lineNum"> 1319 </span> : else</a>
|
|
<a name="1320"><span class="lineNum"> 1320 </span><span class="lineNoCov"> 0 : tokval = 0;</span></a>
|
|
<a name="1321"><span class="lineNum"> 1321 </span> : </a>
|
|
<a name="1322"><span class="lineNum"> 1322 </span><span class="lineCov"> 112 : lasttok = curtok;</span></a>
|
|
<a name="1323"><span class="lineNum"> 1323 </span><span class="lineCov"> 112 : curtok = STR;</span></a>
|
|
<a name="1324"><span class="lineNum"> 1324 </span> : }</a>
|
|
<a name="1325"><span class="lineNum"> 1325 </span><span class="lineCov"> 439 : else if (DIGIT(c))</span></a>
|
|
<a name="1326"><span class="lineNum"> 1326 </span> : {</a>
|
|
<a name="1327"><span class="lineNum"> 1327 </span><span class="lineCov"> 45 : while (ISALNUM (c) || c == '#' || c == '@' || c == '_')</span></a>
|
|
<a name="1328"><span class="lineNum"> 1328 </span><span class="lineCov"> 27 : c = *cp++;</span></a>
|
|
<a name="1329"><span class="lineNum"> 1329 </span> : </a>
|
|
<a name="1330"><span class="lineNum"> 1330 </span><span class="lineCov"> 18 : c = *--cp;</span></a>
|
|
<a name="1331"><span class="lineNum"> 1331 </span><span class="lineCov"> 18 : *cp = '\0';</span></a>
|
|
<a name="1332"><span class="lineNum"> 1332 </span> : </a>
|
|
<a name="1333"><span class="lineNum"> 1333 </span><span class="lineCov"> 18 : tokval = strlong (tp);</span></a>
|
|
<a name="1334"><span class="lineNum"> 1334 </span><span class="lineCov"> 9 : *cp = c;</span></a>
|
|
<a name="1335"><span class="lineNum"> 1335 </span><span class="lineCov"> 9 : lasttok = curtok;</span></a>
|
|
<a name="1336"><span class="lineNum"> 1336 </span><span class="lineCov"> 9 : curtok = NUM;</span></a>
|
|
<a name="1337"><span class="lineNum"> 1337 </span> : }</a>
|
|
<a name="1338"><span class="lineNum"> 1338 </span> : else</a>
|
|
<a name="1339"><span class="lineNum"> 1339 </span> : {</a>
|
|
<a name="1340"><span class="lineNum"> 1340 </span><span class="lineCov"> 421 : c1 = *cp++;</span></a>
|
|
<a name="1341"><span class="lineNum"> 1341 </span><span class="lineCov"> 421 : if ((c == EQ) && (c1 == EQ))</span></a>
|
|
<a name="1342"><span class="lineNum"> 1342 </span> : c = EQEQ;</a>
|
|
<a name="1343"><span class="lineNum"> 1343 </span><span class="lineCov"> 421 : else if ((c == NOT) && (c1 == EQ))</span></a>
|
|
<a name="1344"><span class="lineNum"> 1344 </span> : c = NEQ;</a>
|
|
<a name="1345"><span class="lineNum"> 1345 </span><span class="lineCov"> 385 : else if ((c == GT) && (c1 == EQ))</span></a>
|
|
<a name="1346"><span class="lineNum"> 1346 </span> : c = GEQ;</a>
|
|
<a name="1347"><span class="lineNum"> 1347 </span><span class="lineCov"> 385 : else if ((c == LT) && (c1 == EQ))</span></a>
|
|
<a name="1348"><span class="lineNum"> 1348 </span> : c = LEQ;</a>
|
|
<a name="1349"><span class="lineNum"> 1349 </span><span class="lineCov"> 385 : else if ((c == LT) && (c1 == LT))</span></a>
|
|
<a name="1350"><span class="lineNum"> 1350 </span> : {</a>
|
|
<a name="1351"><span class="lineNum"> 1351 </span><span class="lineNoCov"> 0 : if (*cp == '=') /* a <<= b */</span></a>
|
|
<a name="1352"><span class="lineNum"> 1352 </span> : {</a>
|
|
<a name="1353"><span class="lineNum"> 1353 </span><span class="lineNoCov"> 0 : assigntok = LSH;</span></a>
|
|
<a name="1354"><span class="lineNum"> 1354 </span><span class="lineNoCov"> 0 : c = OP_ASSIGN;</span></a>
|
|
<a name="1355"><span class="lineNum"> 1355 </span><span class="lineNoCov"> 0 : cp++;</span></a>
|
|
<a name="1356"><span class="lineNum"> 1356 </span> : }</a>
|
|
<a name="1357"><span class="lineNum"> 1357 </span> : else</a>
|
|
<a name="1358"><span class="lineNum"> 1358 </span> : c = LSH;</a>
|
|
<a name="1359"><span class="lineNum"> 1359 </span> : }</a>
|
|
<a name="1360"><span class="lineNum"> 1360 </span><span class="lineCov"> 385 : else if ((c == GT) && (c1 == GT))</span></a>
|
|
<a name="1361"><span class="lineNum"> 1361 </span> : {</a>
|
|
<a name="1362"><span class="lineNum"> 1362 </span><span class="lineNoCov"> 0 : if (*cp == '=')</span></a>
|
|
<a name="1363"><span class="lineNum"> 1363 </span> : {</a>
|
|
<a name="1364"><span class="lineNum"> 1364 </span><span class="lineNoCov"> 0 : assigntok = RSH; /* a >>= b */</span></a>
|
|
<a name="1365"><span class="lineNum"> 1365 </span><span class="lineNoCov"> 0 : c = OP_ASSIGN;</span></a>
|
|
<a name="1366"><span class="lineNum"> 1366 </span><span class="lineNoCov"> 0 : cp++;</span></a>
|
|
<a name="1367"><span class="lineNum"> 1367 </span> : }</a>
|
|
<a name="1368"><span class="lineNum"> 1368 </span> : else</a>
|
|
<a name="1369"><span class="lineNum"> 1369 </span> : c = RSH;</a>
|
|
<a name="1370"><span class="lineNum"> 1370 </span> : }</a>
|
|
<a name="1371"><span class="lineNum"> 1371 </span><span class="lineCov"> 385 : else if ((c == BAND) && (c1 == BAND))</span></a>
|
|
<a name="1372"><span class="lineNum"> 1372 </span> : c = LAND;</a>
|
|
<a name="1373"><span class="lineNum"> 1373 </span><span class="lineCov"> 385 : else if ((c == BOR) && (c1 == BOR))</span></a>
|
|
<a name="1374"><span class="lineNum"> 1374 </span> : c = LOR;</a>
|
|
<a name="1375"><span class="lineNum"> 1375 </span><span class="lineCov"> 385 : else if ((c == '*') && (c1 == '*'))</span></a>
|
|
<a name="1376"><span class="lineNum"> 1376 </span> : c = POWER;</a>
|
|
<a name="1377"><span class="lineNum"> 1377 </span><span class="lineCov"> 385 : else if ((c == '-' || c == '+') && c1 == c && curtok == STR)</span></a>
|
|
<a name="1378"><span class="lineNum"> 1378 </span><span class="lineNoCov"> 0 : c = (c == '-') ? POSTDEC : POSTINC;</span></a>
|
|
<a name="1379"><span class="lineNum"> 1379 </span><span class="lineCov"> 385 : else if ((c == '-' || c == '+') && c1 == c)</span></a>
|
|
<a name="1380"><span class="lineNum"> 1380 </span> : {</a>
|
|
<a name="1381"><span class="lineNum"> 1381 </span> : /* Quickly scan forward to see if this is followed by optional</a>
|
|
<a name="1382"><span class="lineNum"> 1382 </span> : whitespace and an identifier. */</a>
|
|
<a name="1383"><span class="lineNum"> 1383 </span> : xp = cp;</a>
|
|
<a name="1384"><span class="lineNum"> 1384 </span><span class="lineNoCov"> 0 : while (xp && *xp && cr_whitespace (*xp))</span></a>
|
|
<a name="1385"><span class="lineNum"> 1385 </span><span class="lineNoCov"> 0 : xp++;</span></a>
|
|
<a name="1386"><span class="lineNum"> 1386 </span><span class="lineNoCov"> 0 : if (legal_variable_starter ((unsigned char)*xp))</span></a>
|
|
<a name="1387"><span class="lineNum"> 1387 </span><span class="lineNoCov"> 0 : c = (c == '-') ? PREDEC : PREINC;</span></a>
|
|
<a name="1388"><span class="lineNum"> 1388 </span> : else</a>
|
|
<a name="1389"><span class="lineNum"> 1389 </span> : cp--; /* not preinc or predec, so unget the character */</a>
|
|
<a name="1390"><span class="lineNum"> 1390 </span> : }</a>
|
|
<a name="1391"><span class="lineNum"> 1391 </span><span class="lineCov"> 385 : else if (c1 == EQ && member (c, "*/%+-&^|"))</span></a>
|
|
<a name="1392"><span class="lineNum"> 1392 </span> : {</a>
|
|
<a name="1393"><span class="lineNum"> 1393 </span><span class="lineNoCov"> 0 : assigntok = c; /* a OP= b */</span></a>
|
|
<a name="1394"><span class="lineNum"> 1394 </span><span class="lineNoCov"> 0 : c = OP_ASSIGN;</span></a>
|
|
<a name="1395"><span class="lineNum"> 1395 </span> : }</a>
|
|
<a name="1396"><span class="lineNum"> 1396 </span><span class="lineCov"> 385 : else if (_is_arithop (c) == 0)</span></a>
|
|
<a name="1397"><span class="lineNum"> 1397 </span> : {</a>
|
|
<a name="1398"><span class="lineNum"> 1398 </span><span class="lineCov"> 56 : cp--;</span></a>
|
|
<a name="1399"><span class="lineNum"> 1399 </span> : /* use curtok, since it hasn't been copied to lasttok yet */</a>
|
|
<a name="1400"><span class="lineNum"> 1400 </span><span class="lineCov"> 56 : if (curtok == 0 || _is_arithop (curtok) || _is_multiop (curtok))</span></a>
|
|
<a name="1401"><span class="lineNum"> 1401 </span><span class="lineCov"> 29 : evalerror (_("syntax error: operand expected"));</span></a>
|
|
<a name="1402"><span class="lineNum"> 1402 </span> : else</a>
|
|
<a name="1403"><span class="lineNum"> 1403 </span><span class="lineCov"> 27 : evalerror (_("syntax error: invalid arithmetic operator"));</span></a>
|
|
<a name="1404"><span class="lineNum"> 1404 </span> : }</a>
|
|
<a name="1405"><span class="lineNum"> 1405 </span> : else</a>
|
|
<a name="1406"><span class="lineNum"> 1406 </span> : cp--; /* `unget' the character */</a>
|
|
<a name="1407"><span class="lineNum"> 1407 </span> : </a>
|
|
<a name="1408"><span class="lineNum"> 1408 </span> : /* Should check here to make sure that the current character is one</a>
|
|
<a name="1409"><span class="lineNum"> 1409 </span> : of the recognized operators and flag an error if not. Could create</a>
|
|
<a name="1410"><span class="lineNum"> 1410 </span> : a character map the first time through and check it on subsequent</a>
|
|
<a name="1411"><span class="lineNum"> 1411 </span> : calls. */</a>
|
|
<a name="1412"><span class="lineNum"> 1412 </span><span class="lineCov"> 365 : lasttok = curtok;</span></a>
|
|
<a name="1413"><span class="lineNum"> 1413 </span><span class="lineCov"> 365 : curtok = c;</span></a>
|
|
<a name="1414"><span class="lineNum"> 1414 </span> : }</a>
|
|
<a name="1415"><span class="lineNum"> 1415 </span><span class="lineCov"> 486 : tp = cp;</span></a>
|
|
<a name="1416"><span class="lineNum"> 1416 </span> : }</a>
|
|
<a name="1417"><span class="lineNum"> 1417 </span> : </a>
|
|
<a name="1418"><span class="lineNum"> 1418 </span> : static void</a>
|
|
<a name="1419"><span class="lineNum"> 1419 </span><span class="lineCov"> 112 : evalerror (msg)</span></a>
|
|
<a name="1420"><span class="lineNum"> 1420 </span> : const char *msg;</a>
|
|
<a name="1421"><span class="lineNum"> 1421 </span> : {</a>
|
|
<a name="1422"><span class="lineNum"> 1422 </span><span class="lineCov"> 112 : char *name, *t;</span></a>
|
|
<a name="1423"><span class="lineNum"> 1423 </span> : </a>
|
|
<a name="1424"><span class="lineNum"> 1424 </span><span class="lineCov"> 112 : name = this_command_name;</span></a>
|
|
<a name="1425"><span class="lineNum"> 1425 </span><span class="lineCov"> 169 : for (t = expression; whitespace (*t); t++)</span></a>
|
|
<a name="1426"><span class="lineNum"> 1426 </span><span class="lineCov"> 57 : ;</span></a>
|
|
<a name="1427"><span class="lineNum"> 1427 </span><span class="lineCov"> 314 : internal_error (_("%s%s%s: %s (error token is \"%s\")"),</span></a>
|
|
<a name="1428"><span class="lineNum"> 1428 </span> : name ? name : "", name ? ": " : "", t,</a>
|
|
<a name="1429"><span class="lineNum"> 1429 </span><span class="lineCov"> 112 : msg, (lasttp && *lasttp) ? lasttp : "");</span></a>
|
|
<a name="1430"><span class="lineNum"> 1430 </span><span class="lineCov"> 112 : sh_longjmp (evalbuf, 1);</span></a>
|
|
<a name="1431"><span class="lineNum"> 1431 </span> : }</a>
|
|
<a name="1432"><span class="lineNum"> 1432 </span> : </a>
|
|
<a name="1433"><span class="lineNum"> 1433 </span> : /* Convert a string to an intmax_t integer, with an arbitrary base.</a>
|
|
<a name="1434"><span class="lineNum"> 1434 </span> : 0nnn -> base 8</a>
|
|
<a name="1435"><span class="lineNum"> 1435 </span> : 0[Xx]nn -> base 16</a>
|
|
<a name="1436"><span class="lineNum"> 1436 </span> : Anything else: [base#]number (this is implemented to match ksh93)</a>
|
|
<a name="1437"><span class="lineNum"> 1437 </span> : </a>
|
|
<a name="1438"><span class="lineNum"> 1438 </span> : Base may be >=2 and <=64. If base is <= 36, the numbers are drawn</a>
|
|
<a name="1439"><span class="lineNum"> 1439 </span> : from [0-9][a-zA-Z], and lowercase and uppercase letters may be used</a>
|
|
<a name="1440"><span class="lineNum"> 1440 </span> : interchangably. If base is > 36 and <= 64, the numbers are drawn</a>
|
|
<a name="1441"><span class="lineNum"> 1441 </span> : from [0-9][a-z][A-Z]_@ (a = 10, z = 35, A = 36, Z = 61, @ = 62, _ = 63 --</a>
|
|
<a name="1442"><span class="lineNum"> 1442 </span> : you get the picture). */</a>
|
|
<a name="1443"><span class="lineNum"> 1443 </span> : </a>
|
|
<a name="1444"><span class="lineNum"> 1444 </span> : static intmax_t</a>
|
|
<a name="1445"><span class="lineNum"> 1445 </span><span class="lineCov"> 18 : strlong (num)</span></a>
|
|
<a name="1446"><span class="lineNum"> 1446 </span> : char *num;</a>
|
|
<a name="1447"><span class="lineNum"> 1447 </span> : {</a>
|
|
<a name="1448"><span class="lineNum"> 1448 </span><span class="lineCov"> 18 : register char *s;</span></a>
|
|
<a name="1449"><span class="lineNum"> 1449 </span><span class="lineCov"> 18 : register unsigned char c;</span></a>
|
|
<a name="1450"><span class="lineNum"> 1450 </span><span class="lineCov"> 18 : int base, foundbase;</span></a>
|
|
<a name="1451"><span class="lineNum"> 1451 </span><span class="lineCov"> 18 : intmax_t val;</span></a>
|
|
<a name="1452"><span class="lineNum"> 1452 </span> : </a>
|
|
<a name="1453"><span class="lineNum"> 1453 </span><span class="lineCov"> 18 : s = num;</span></a>
|
|
<a name="1454"><span class="lineNum"> 1454 </span> : </a>
|
|
<a name="1455"><span class="lineNum"> 1455 </span><span class="lineCov"> 18 : base = 10;</span></a>
|
|
<a name="1456"><span class="lineNum"> 1456 </span><span class="lineCov"> 18 : foundbase = 0;</span></a>
|
|
<a name="1457"><span class="lineNum"> 1457 </span><span class="lineCov"> 18 : if (*s == '0')</span></a>
|
|
<a name="1458"><span class="lineNum"> 1458 </span> : {</a>
|
|
<a name="1459"><span class="lineNum"> 1459 </span><span class="lineCov"> 9 : s++;</span></a>
|
|
<a name="1460"><span class="lineNum"> 1460 </span> : </a>
|
|
<a name="1461"><span class="lineNum"> 1461 </span><span class="lineCov"> 9 : if (*s == '\0')</span></a>
|
|
<a name="1462"><span class="lineNum"> 1462 </span> : return 0;</a>
|
|
<a name="1463"><span class="lineNum"> 1463 </span> : </a>
|
|
<a name="1464"><span class="lineNum"> 1464 </span> : /* Base 16? */</a>
|
|
<a name="1465"><span class="lineNum"> 1465 </span><span class="lineCov"> 9 : if (*s == 'x' || *s == 'X')</span></a>
|
|
<a name="1466"><span class="lineNum"> 1466 </span> : {</a>
|
|
<a name="1467"><span class="lineNum"> 1467 </span><span class="lineNoCov"> 0 : base = 16;</span></a>
|
|
<a name="1468"><span class="lineNum"> 1468 </span><span class="lineNoCov"> 0 : s++;</span></a>
|
|
<a name="1469"><span class="lineNum"> 1469 </span> : }</a>
|
|
<a name="1470"><span class="lineNum"> 1470 </span> : else</a>
|
|
<a name="1471"><span class="lineNum"> 1471 </span> : base = 8;</a>
|
|
<a name="1472"><span class="lineNum"> 1472 </span> : foundbase++;</a>
|
|
<a name="1473"><span class="lineNum"> 1473 </span> : }</a>
|
|
<a name="1474"><span class="lineNum"> 1474 </span> : </a>
|
|
<a name="1475"><span class="lineNum"> 1475 </span><span class="lineCov"> 18 : val = 0;</span></a>
|
|
<a name="1476"><span class="lineNum"> 1476 </span><span class="lineCov"> 27 : for (c = *s++; c; c = *s++)</span></a>
|
|
<a name="1477"><span class="lineNum"> 1477 </span> : {</a>
|
|
<a name="1478"><span class="lineNum"> 1478 </span><span class="lineCov"> 18 : if (c == '#')</span></a>
|
|
<a name="1479"><span class="lineNum"> 1479 </span> : {</a>
|
|
<a name="1480"><span class="lineNum"> 1480 </span><span class="lineCov"> 9 : if (foundbase)</span></a>
|
|
<a name="1481"><span class="lineNum"> 1481 </span><span class="lineCov"> 9 : evalerror (_("invalid number"));</span></a>
|
|
<a name="1482"><span class="lineNum"> 1482 </span> : </a>
|
|
<a name="1483"><span class="lineNum"> 1483 </span> : /* Illegal base specifications raise an evaluation error. */</a>
|
|
<a name="1484"><span class="lineNum"> 1484 </span><span class="lineNoCov"> 0 : if (val < 2 || val > 64)</span></a>
|
|
<a name="1485"><span class="lineNum"> 1485 </span><span class="lineNoCov"> 0 : evalerror (_("invalid arithmetic base"));</span></a>
|
|
<a name="1486"><span class="lineNum"> 1486 </span> : </a>
|
|
<a name="1487"><span class="lineNum"> 1487 </span><span class="lineNoCov"> 0 : base = val;</span></a>
|
|
<a name="1488"><span class="lineNum"> 1488 </span><span class="lineNoCov"> 0 : val = 0;</span></a>
|
|
<a name="1489"><span class="lineNum"> 1489 </span><span class="lineNoCov"> 0 : foundbase++;</span></a>
|
|
<a name="1490"><span class="lineNum"> 1490 </span> : }</a>
|
|
<a name="1491"><span class="lineNum"> 1491 </span><span class="lineCov"> 9 : else if (ISALNUM(c) || (c == '_') || (c == '@'))</span></a>
|
|
<a name="1492"><span class="lineNum"> 1492 </span> : {</a>
|
|
<a name="1493"><span class="lineNum"> 1493 </span><span class="lineCov"> 9 : if (DIGIT(c))</span></a>
|
|
<a name="1494"><span class="lineNum"> 1494 </span> : c = TODIGIT(c);</a>
|
|
<a name="1495"><span class="lineNum"> 1495 </span><span class="lineNoCov"> 0 : else if (c >= 'a' && c <= 'z')</span></a>
|
|
<a name="1496"><span class="lineNum"> 1496 </span><span class="lineNoCov"> 0 : c -= 'a' - 10;</span></a>
|
|
<a name="1497"><span class="lineNum"> 1497 </span><span class="lineNoCov"> 0 : else if (c >= 'A' && c <= 'Z')</span></a>
|
|
<a name="1498"><span class="lineNum"> 1498 </span><span class="lineNoCov"> 0 : c -= 'A' - ((base <= 36) ? 10 : 36);</span></a>
|
|
<a name="1499"><span class="lineNum"> 1499 </span><span class="lineNoCov"> 0 : else if (c == '@')</span></a>
|
|
<a name="1500"><span class="lineNum"> 1500 </span> : c = 62;</a>
|
|
<a name="1501"><span class="lineNum"> 1501 </span><span class="lineNoCov"> 0 : else if (c == '_')</span></a>
|
|
<a name="1502"><span class="lineNum"> 1502 </span><span class="lineNoCov"> 0 : c = 63;</span></a>
|
|
<a name="1503"><span class="lineNum"> 1503 </span> : </a>
|
|
<a name="1504"><span class="lineNum"> 1504 </span><span class="lineCov"> 9 : if (c >= base)</span></a>
|
|
<a name="1505"><span class="lineNum"> 1505 </span><span class="lineNoCov"> 0 : evalerror (_("value too great for base"));</span></a>
|
|
<a name="1506"><span class="lineNum"> 1506 </span> : </a>
|
|
<a name="1507"><span class="lineNum"> 1507 </span><span class="lineCov"> 9 : val = (val * base) + c;</span></a>
|
|
<a name="1508"><span class="lineNum"> 1508 </span> : }</a>
|
|
<a name="1509"><span class="lineNum"> 1509 </span> : else</a>
|
|
<a name="1510"><span class="lineNum"> 1510 </span> : break;</a>
|
|
<a name="1511"><span class="lineNum"> 1511 </span> : }</a>
|
|
<a name="1512"><span class="lineNum"> 1512 </span> : </a>
|
|
<a name="1513"><span class="lineNum"> 1513 </span> : return (val);</a>
|
|
<a name="1514"><span class="lineNum"> 1514 </span> : }</a>
|
|
<a name="1515"><span class="lineNum"> 1515 </span> : </a>
|
|
<a name="1516"><span class="lineNum"> 1516 </span> : #if defined (EXPR_TEST)</a>
|
|
<a name="1517"><span class="lineNum"> 1517 </span> : void *</a>
|
|
<a name="1518"><span class="lineNum"> 1518 </span> : xmalloc (n)</a>
|
|
<a name="1519"><span class="lineNum"> 1519 </span> : int n;</a>
|
|
<a name="1520"><span class="lineNum"> 1520 </span> : {</a>
|
|
<a name="1521"><span class="lineNum"> 1521 </span> : return (malloc (n));</a>
|
|
<a name="1522"><span class="lineNum"> 1522 </span> : }</a>
|
|
<a name="1523"><span class="lineNum"> 1523 </span> : </a>
|
|
<a name="1524"><span class="lineNum"> 1524 </span> : void *</a>
|
|
<a name="1525"><span class="lineNum"> 1525 </span> : xrealloc (s, n)</a>
|
|
<a name="1526"><span class="lineNum"> 1526 </span> : char *s;</a>
|
|
<a name="1527"><span class="lineNum"> 1527 </span> : int n;</a>
|
|
<a name="1528"><span class="lineNum"> 1528 </span> : {</a>
|
|
<a name="1529"><span class="lineNum"> 1529 </span> : return (realloc (s, n));</a>
|
|
<a name="1530"><span class="lineNum"> 1530 </span> : }</a>
|
|
<a name="1531"><span class="lineNum"> 1531 </span> : </a>
|
|
<a name="1532"><span class="lineNum"> 1532 </span> : SHELL_VAR *find_variable () { return 0;}</a>
|
|
<a name="1533"><span class="lineNum"> 1533 </span> : SHELL_VAR *bind_variable () { return 0; }</a>
|
|
<a name="1534"><span class="lineNum"> 1534 </span> : </a>
|
|
<a name="1535"><span class="lineNum"> 1535 </span> : char *get_string_value () { return 0; }</a>
|
|
<a name="1536"><span class="lineNum"> 1536 </span> : </a>
|
|
<a name="1537"><span class="lineNum"> 1537 </span> : procenv_t top_level;</a>
|
|
<a name="1538"><span class="lineNum"> 1538 </span> : </a>
|
|
<a name="1539"><span class="lineNum"> 1539 </span> : main (argc, argv)</a>
|
|
<a name="1540"><span class="lineNum"> 1540 </span> : int argc;</a>
|
|
<a name="1541"><span class="lineNum"> 1541 </span> : char **argv;</a>
|
|
<a name="1542"><span class="lineNum"> 1542 </span> : {</a>
|
|
<a name="1543"><span class="lineNum"> 1543 </span> : register int i;</a>
|
|
<a name="1544"><span class="lineNum"> 1544 </span> : intmax_t v;</a>
|
|
<a name="1545"><span class="lineNum"> 1545 </span> : int expok;</a>
|
|
<a name="1546"><span class="lineNum"> 1546 </span> : </a>
|
|
<a name="1547"><span class="lineNum"> 1547 </span> : if (setjmp (top_level))</a>
|
|
<a name="1548"><span class="lineNum"> 1548 </span> : exit (0);</a>
|
|
<a name="1549"><span class="lineNum"> 1549 </span> : </a>
|
|
<a name="1550"><span class="lineNum"> 1550 </span> : for (i = 1; i < argc; i++)</a>
|
|
<a name="1551"><span class="lineNum"> 1551 </span> : {</a>
|
|
<a name="1552"><span class="lineNum"> 1552 </span> : v = evalexp (argv[i], &expok);</a>
|
|
<a name="1553"><span class="lineNum"> 1553 </span> : if (expok == 0)</a>
|
|
<a name="1554"><span class="lineNum"> 1554 </span> : fprintf (stderr, _("%s: expression error\n"), argv[i]);</a>
|
|
<a name="1555"><span class="lineNum"> 1555 </span> : else</a>
|
|
<a name="1556"><span class="lineNum"> 1556 </span> : printf ("'%s' -> %ld\n", argv[i], v);</a>
|
|
<a name="1557"><span class="lineNum"> 1557 </span> : }</a>
|
|
<a name="1558"><span class="lineNum"> 1558 </span> : exit (0);</a>
|
|
<a name="1559"><span class="lineNum"> 1559 </span> : }</a>
|
|
<a name="1560"><span class="lineNum"> 1560 </span> : </a>
|
|
<a name="1561"><span class="lineNum"> 1561 </span> : int</a>
|
|
<a name="1562"><span class="lineNum"> 1562 </span> : builtin_error (format, arg1, arg2, arg3, arg4, arg5)</a>
|
|
<a name="1563"><span class="lineNum"> 1563 </span> : char *format;</a>
|
|
<a name="1564"><span class="lineNum"> 1564 </span> : {</a>
|
|
<a name="1565"><span class="lineNum"> 1565 </span> : fprintf (stderr, "expr: ");</a>
|
|
<a name="1566"><span class="lineNum"> 1566 </span> : fprintf (stderr, format, arg1, arg2, arg3, arg4, arg5);</a>
|
|
<a name="1567"><span class="lineNum"> 1567 </span> : fprintf (stderr, "\n");</a>
|
|
<a name="1568"><span class="lineNum"> 1568 </span> : return 0;</a>
|
|
<a name="1569"><span class="lineNum"> 1569 </span> : }</a>
|
|
<a name="1570"><span class="lineNum"> 1570 </span> : </a>
|
|
<a name="1571"><span class="lineNum"> 1571 </span> : char *</a>
|
|
<a name="1572"><span class="lineNum"> 1572 </span> : itos (n)</a>
|
|
<a name="1573"><span class="lineNum"> 1573 </span> : intmax_t n;</a>
|
|
<a name="1574"><span class="lineNum"> 1574 </span> : {</a>
|
|
<a name="1575"><span class="lineNum"> 1575 </span> : return ("42");</a>
|
|
<a name="1576"><span class="lineNum"> 1576 </span> : }</a>
|
|
<a name="1577"><span class="lineNum"> 1577 </span> : </a>
|
|
<a name="1578"><span class="lineNum"> 1578 </span> : #endif /* EXPR_TEST */</a>
|
|
</pre>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<br>
|
|
|
|
<table width="100%" border=0 cellspacing=0 cellpadding=0>
|
|
<tr><td class="ruler"><img src="../glass.png" width=3 height=3 alt=""></td></tr>
|
|
<tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LCOV version 1.14.0.6.4058</a></td></tr>
|
|
</table>
|
|
<br>
|
|
|
|
</body>
|
|
</html>
|