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bug 307278: Remove the horribly outdated js shell implementation. r=brendan

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git-svn-id: svn://10.0.0.236/trunk@179743 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
mrbkap%gmail.com 2005-09-06 23:20:41 +00:00
parent 77f5fea3ba
commit ece07653a7
4 changed files with 0 additions and 1070 deletions
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229
mozilla/js/src/sh/README.html
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@ -1,229 +0,0 @@
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META NAME="Author" CONTENT="Vladimir Livshits">
<META NAME="GENERATOR" CONTENT="Mozilla/4.05 [en]C-NSCP (WinNT; U) [Netscape]">
<TITLE>Specification for the JavaScript shell</TITLE>
</HEAD>
<BODY>
<CENTER>
<H3>
Object hierarchy for JS Shell:</H3></CENTER>
&nbsp;
<CENTER><TABLE BORDER=3 COLS=3 WIDTH="650" >
<TR ALIGN=CENTER VALIGN=TOP>
<TD ALIGN=CENTER VALIGN=TOP HEIGHT="100%">
<TABLE BORDER=0 WIDTH="100%" >
<TR>
<TD BGCOLOR="#C0C0C0"><B>&nbsp;System&nbsp;</B></TD>
</TR>
<TR>
<TD>
<CENTER><B><FONT COLOR="#FF0000">Methods</FONT></B></CENTER>
<UL>
<LI>
<B><TT>chdir</TT></B></LI>
<LI>
<B><TT>pipe</TT></B></LI>
<LI>
<B><TT>script</TT></B></LI>
<LI>
<B><TT>exit</TT></B></LI>
<LI>
<B><TT>system</TT></B></LI>
<LI>
<B><TT>gc</TT></B></LI>
<LI>
<TT><B>call </B>(executes an external script)</TT></LI>
<LI>
<TT><B>use</B> (make methods of the script you pass available. I.e. if
you say <B>use('Foo','Bar')</B>, you can now call Foo.f() and Bar.f().
Foo.eval() will evaluate all the code)</TT></LI>
</UL>
<CENTER><B><FONT COLOR="#FF0000">Properties</FONT></B></CENTER>
<UL>
<LI>
<B><TT><FONT COLOR="#330033">stdout</FONT></TT></B></LI>
<LI>
<B><TT><FONT COLOR="#330033">stdin</FONT></TT></B></LI>
<LI>
<B><TT><FONT COLOR="#330033">stderr&nbsp;</FONT></TT></B></LI>
<LI>
<TT><FONT COLOR="#330033"><B>platform </B>('PC', 'UNIX', 'MAC')</FONT></TT></LI>
<LI>
<TT><FONT COLOR="#330033"><B>ARGV </B>(arguments passed to the script)</FONT></TT></LI>
</UL>
<B><FONT COLOR="#330033">Notes: <TT>pipe</TT> </FONT></B><FONT COLOR="#330033">works
like backticks in Perl; <B><TT>script</TT></B> works the other way around,
that is, you give it an array and it feeds the array to the executable
you specify (somewhat similar to the script command on <TT>UNIX</TT>).</FONT></TD>
</TR>
</TABLE>
&nbsp;</TD>
<TD>
<TABLE BORDER=0 COLS=1 WIDTH="100%" >
<TR>
<TD BGCOLOR="#C0C0C0"><B>Environment</B></TD>
</TR>
<TR>
<TD HEIGHT="100%">
<CENTER><B><FONT COLOR="#FF0000">Properties</FONT></B></CENTER>
<P><FONT COLOR="#330033">All environment variables become properties of
<B><TT>Environment</TT></B>. Assigning to them actually changes the environment.</FONT></TD>
</TR>
</TABLE>
&nbsp;</TD>
<TD>
<TABLE BORDER=0 COLS=1 WIDTH="100%" >
<TR>
<TD BGCOLOR="#C0C0C0"><B>File</B></TD>
</TR>
<TR>
<TD>
<TABLE BORDER=0 COLS=2 WIDTH="100%" >
<TR>
<TD>
<CENTER><B><FONT COLOR="#FF0000">Properties</FONT></B></CENTER>
<CENTER>&nbsp;</CENTER>
<LI>
<B><TT>currentDir</TT></B></LI>
<LI>
<B><TT>length&nbsp;</TT></B></LI>
<LI>
<B><TT>parent&nbsp;</TT></B></LI>
<LI>
<B><TT>path&nbsp;</TT></B></LI>
<LI>
<B><TT>name&nbsp;</TT></B></LI>
<LI>
<B><TT>isDirectory</TT></B></LI>
<LI>
<B><TT>isFile&nbsp;</TT></B></LI>
<LI>
<B><TT>exists&nbsp;</TT></B></LI>
<LI>
<B><TT>canRead&nbsp;</TT></B></LI>
<LI>
<B><TT>canWrite&nbsp;</TT></B></LI>
<LI>
<B><TT>opened&nbsp;</TT></B></LI>
<LI>
<B><TT>type&nbsp;</TT></B></LI>
<LI>
<B><TT>mode&nbsp;</TT></B></LI>
<LI>
<B><TT>creationTime</TT></B></LI>
<LI>
<B><TT>lastModified</TT></B></LI>
<LI>
<B><TT>size&nbsp;</TT></B></LI>
<LI>
<B><TT>randomAccess</TT></B></LI>
<LI>
<B><TT>position</TT></B></LI>
</TD>
<TD VALIGN=TOP>
<CENTER><B><FONT COLOR="#FF0000">Methods</FONT></B></CENTER>
<CENTER>&nbsp;</CENTER>
<LI>
<B><TT>open&nbsp;</TT></B></LI>
<LI>
<B><TT>close&nbsp;</TT></B></LI>
<LI>
<B><TT>remove&nbsp;</TT></B></LI>
<LI>
<B><TT>copyTo&nbsp;</TT></B></LI>
<LI>
<B><TT>renameTo</TT></B></LI>
<LI>
<B><TT>flush&nbsp;</TT></B></LI>
<LI>
<B><TT>skip&nbsp;</TT></B></LI>
<LI>
<B><TT>read&nbsp;</TT></B></LI>
<LI>
<B><TT>readln&nbsp;</TT></B></LI>
<LI>
<B><TT>readAll&nbsp;</TT></B></LI>
<LI>
<B><TT>write&nbsp;</TT></B></LI>
<LI>
<B><TT>writeln&nbsp;</TT></B></LI>
<LI>
<B><TT>writeAll</TT></B></LI>
<LI>
<B><TT>list&nbsp;</TT></B></LI>
<LI>
<B><TT>mkdir&nbsp;</TT></B></LI>
</TD>
</TR>
</TABLE>
&nbsp;<I>(Henri's stuff)</I>&nbsp;
<BR>&nbsp;</TD>
</TR>
</TABLE>
&nbsp;</TD>
</TR>
</TABLE></CENTER>
&nbsp;
<BR>&nbsp;
</BODY>
</HTML>

724
mozilla/js/src/sh/jssh.c
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* Copyright © 1998 Netscape Communications Corporation, All Rights Reserved.*/
/* JavaScript Shell: jssh. Provides capabilities for calling commans, */
/* loading libraries, etc. in JavaScript. For a full list of features, see
/* README.html */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "jsapi.h" /* The API itself */
#include "jsatom.h"
#ifdef HAS_FILE_SUPPORT /* File object */
# include "jsfile.h"
#endif
#ifdef LIVECONNECT /* link w/LiveConnect DLL */
# include "jsjava.h"
#endif
#ifdef PERLCONNECT /* link w/PerlConnect DLL */
# include "jsperl.h"
#endif
#define STACK_CHUNK_SIZE 8192
/* Platform-dependent stuff */
#if defined(XP_WIN) || defined(XP_OS2)
# define ENVIRON _environ
# define PUTENV _putenv
# define POPEN _popen
# define PCLOSE _pclose
# define PLATFORM "PC"
#elif defined(XP_UNIX)
# define ENVIRON environ
# define PUTENV putenv
# define POPEN popen
# define PCLOSE pclose
# define PLATFORM "UNIX"
#elif defined(XP_BEOS)
# define ENVIRON environ
# define PUTENV putenv
# define POPEN popen
# define PCLOSE pclose
# define PLATFORM "BeOS"
#else
# error "Platform not supported."
#endif
/* globals */
JSRuntime *rt;
JSContext *cx;
JSObject *globalObject, *systemObject, *envObject;
/* forward-definitions */
static JSBool Process(JSContext*, JSObject*, char*, jsval *rval);
static JSBool environment_setProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp);
/* global class */
JSClass globalClass = {
"Global", 0,
JS_PropertyStub, JS_PropertyStub,JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};
/* system class */
JSClass systemClass = {
"System", 0,
JS_PropertyStub, JS_PropertyStub,JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};
/* environment class */
JSClass envClass = {
"Environment", 0,
JS_PropertyStub, environment_setProperty, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};
/* object loaded via use() get a separate namespace of this type */
JSClass libraryClass = {
"Library", JSCLASS_HAS_PRIVATE,
JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub,
JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub
};
/****************************** global methods ******************************/
/* load JS files in argv and execute them */
static JSBool
call(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
int i;
char *ch;
JSBool result = JS_TRUE;
FILE *file;
static char* processFile(FILE*);
for(i=0;i<argc;i++){
char* source;
JSObject *anonymous;
source = JS_GetStringBytes(JS_ValueToString(cx, argv[i]));
file = fopen(source, "r");
if(!file){
JS_ReportError(cx, "Can't open %s", source);
continue;
}
/* read file's contents */
ch = processFile(file);
/* define anonyous namespace */
anonymous = JS_DefineObject(cx, globalObject, "__anonymous__",
&globalClass, globalObject, JSPROP_ENUMERATE);
/* evaluate script in that namespace. result gets accumulated */
result = JS_EvaluateScript(cx, obj, ch, strlen(ch), "jssh", 0, rval) && result;
free(ch);
fclose(file);
/* remove namespace */
JS_DeleteProperty(cx, globalObject, "__anonymous__");
}
return JS_TRUE;
}
/* Foo.eval() evaluates the content of a script preloaded with use('Foo') */
static JSBool
evalScript(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval){
void *p = JS_GetInstancePrivate(cx, obj, &libraryClass, NULL);
JSScript *script;
if(!p)
return JS_FALSE;
script = (JSScript*)p;
return JS_ExecuteScript(cx, obj, script, rval);
}
/*
preload files specified in argv. for each create a namespace and
make functions available within that namespace
*/
static JSBool
use(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
int i;
for(i=0;i<argc;i++){
char source[256], *ch;
FILE *file;
JSObject *scriptObject;
JSScript *script;
JSIdArray *ida;
jsval v;
strcpy(source, JS_GetStringBytes(JS_ValueToString(cx, argv[i])));
/* add .js extention if necessary */
if(!strstr(source, ".js")){
strcat(source, ".js");
}
file = fopen(source, "r");
if(!file){
JS_ReportError(cx, "Can't open %s", source);
return JS_FALSE;
}
/* remove '.js' extention */
*(source + strlen(source)-3) = '\0';
ch = processFile(file);
scriptObject = JS_DefineObject(cx, globalObject, source, &libraryClass,
NULL, JSPROP_ENUMERATE);
if(!scriptObject){
JS_ReportError(cx, "Can't create script");
return JS_FALSE;
}
script = JS_CompileScript(cx, scriptObject, ch, strlen(ch), source, 0);
fclose(file);
if(!script){
JS_ReportError(cx, "Can't compile script");
return JS_FALSE;
}
ida = JS_Enumerate(cx, scriptObject);
if(!ida){
JS_ReportError(cx, "Can't enumerate");
return JS_FALSE;
}
/* go through the properties and add them to the namespace we created */
for (i = 0; i < ida->length; i++) {
jschar *prop;
JSString *str;
JS_IdToValue(cx, ida->vector[i], &v);
str = JS_ValueToString(cx, v);
prop = JS_GetStringChars(str);
JS_GetUCProperty(cx, scriptObject, prop, JS_GetStringLength(str), &v);
/* add v if it's a function */
if(JS_TypeOfValue(cx, v) == JSTYPE_FUNCTION){
char const *name = JS_GetFunctionName(JS_ValueToFunction(cx, v));
JS_DefineProperty(cx, scriptObject, name, v, NULL, NULL,
JSPROP_READONLY|JSPROP_PERMANENT);
}
}
/* save script as private data for the object */
if(!JS_SetPrivate(cx, scriptObject, (void*)script)){
return JS_FALSE;
}
JS_DefineFunction(cx, scriptObject, "eval", evalScript, 0, 0);
}
return JS_TRUE;
}
/********************** Define system methods **************************/
/* a replacement for System.out.write */
static JSBool
system_print(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
int i;
JSString *str;
for(i=0;i<argc;i++){
str = JS_ValueToString(cx, argv[i]);
if(!str) return JS_FALSE;
printf("%s%s", i ? " ":"", JS_GetStringBytes(str));
}
return JS_TRUE;
}
/* run external commands */
static JSBool
system_system(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
JSString *str;
int i;
for(i=0;i<argc;i++){
str = JS_ValueToString(cx, argv[i]);
/* TODO: error processing here */
system(JS_GetStringBytes(str));
}
return JS_TRUE;
}
/* invoke the gc */
static JSBool
system_gc(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
JS_GC(cx);
return JS_TRUE;
}
/*
Runs commands supplied as the first parameter and outputs a special file
you can read info from.
*/
static JSBool
system_pipe(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
JSObject *file;
char *cmd;
FILE *pipe; /* pipe we open */
if(argc!=1) return JS_FALSE; /* need one parameter -- command */
cmd = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
/* open the pipe */
pipe = POPEN(cmd, "rt");
if(!pipe) {
JS_ReportError(cx, "Attempt to read from a pipe failed, can't run command %s", cmd);
return JS_FALSE;
}
file = js_NewFileObjectFromFILE(cx, pipe, cmd, JS_FALSE);
*rval = OBJECT_TO_JSVAL(file);
//PCLOSE(pipe);
return JS_TRUE;
}
/*
Runs command supplied as the first parameter and creates a special
file you can write to
*/
static JSBool
system_script(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
FILE *pipe; /* pipe we open */
char *cmd;
JSObject *file;
/* basic parameter checking */
if(argc!=1){
JS_ReportError(cx, "Expected one argument, i.e. file = script('ls')");
return JS_FALSE;
}
cmd = JS_GetStringBytes(JS_ValueToString(cx, argv[0]));
/* create pipe */
pipe = POPEN(cmd, "wt");
if(!pipe){
JS_ReportError(cx, "Attempt to read from a pipe failed, can't run command %s", cmd);
return JS_FALSE;
}
file = js_NewFileObjectFromFILE(cx, pipe, cmd, JS_FALSE);
*rval = OBJECT_TO_JSVAL(file);
//PCLOSE(pipe);
return JS_TRUE;
}
/* get/set version of the language */
static JSBool
system_version(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
if(argc){
JS_SetVersion(cx, JSVAL_TO_INT(argv[0]));
*rval = INT_TO_JSVAL(argv[0]);
}else
*rval = INT_TO_JSVAL(JS_GetVersion(cx));
return JS_TRUE;
}
/* exit the interpreter. takes a return code */
static JSBool
system_exit(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
int32 ip;
static void finilizeShell();
finilizeShell();
if(!argc)
exit(0);
else{
exit(JS_ValueToInt32(cx, argv[0], &ip));
}
return JS_TRUE;
}
/* setter for Environment. updates the environment itself */
static JSBool
environment_setProperty(JSContext *cx, JSObject *obj, jsval id, jsval *vp){
char envString[256];
printf("trying to set %s = %s\n", JS_GetStringBytes(JS_ValueToString(cx, id)),
JS_GetStringBytes(JS_ValueToString(cx, *vp)));
strcpy(envString, JS_GetStringBytes(JS_ValueToString(cx, id)));
strcat(envString, "=");
/* This is not preserved after the script terminates */
strcat(envString, JS_GetStringBytes(JS_ValueToString(cx, *vp)));
printf("%s\n", envString);
PUTENV(envString);
return JS_TRUE;
}
/* custom error reporter */
static void
errorReporter(JSContext *cx, const char *message, JSErrorReport *report){
if(report == NULL)
fprintf(stderr, "jssh: %s\n", message);
else
fprintf(stderr, "%s: line %i: error: %s\n",
report->filename, report->lineno, message);
}
/* add properties to Env */
static void
readEnvironment(JSContext *cx, JSObject *env){
char **currEnvString;
char currEnvName [256];
char currEnvValue[1024]; /* this must be big enough */
JSString *str;
JSBool ok;
for(currEnvString = ENVIRON; *currEnvString!=NULL; currEnvString++){
char *equal = strchr(*currEnvString, '=');
strncpy(currEnvName, *currEnvString, equal-*currEnvString);
currEnvName[equal-*currEnvString] = 0; /* append null char at the end */
equal++;
strncpy(currEnvValue, equal, *currEnvString+strlen(*currEnvString)-equal+1);
str=JS_NewStringCopyZ(cx, equal/*, *currEnvString+strlen(*currEnvString)-equal*/);
if(!str) {
JS_ReportError(cx, "Error in readEnvironment, str==NULL");
return;
}
/* add a new property to env object */
ok = JS_DefineProperty(cx, env, currEnvName,
STRING_TO_JSVAL(str), JS_PropertyStub, environment_setProperty,
JSPROP_ENUMERATE|JSPROP_PERMANENT);
if(!ok) {
JS_ReportError(cx, "Error in readEnvironment, can't define a property");
return;
}
}
}
/* formatted output of the environment */
static JSBool
env_toString(JSContext *cx, JSObject *obj, int argc, jsval *argv, jsval* rval){
char **currEnvString;
char currEnvName [256];
char currEnvValue[1024]; /* this must be big enough */
char *result;
int len=0;
result = JS_malloc(cx, 1);
strcpy(result, "");
for(currEnvString = ENVIRON; *currEnvString!=NULL; currEnvString++){
char *equal = strchr(*currEnvString, '='), *p;
char line[1024];
strncpy(currEnvName, *currEnvString, equal-*currEnvString);
currEnvName[equal-*currEnvString] = 0; /* append null char at the end */
equal++;
strncpy(currEnvValue, equal, *currEnvString+strlen(*currEnvString)-equal+1);
sprintf(line, "%25s = %s\n", currEnvName, currEnvValue);
len+=strlen(line)+1;
p = (char*)JS_realloc(cx, result, len*sizeof(char));
if(!p) {
JS_ReportOutOfMemory(cx);
return JS_FALSE;
}
strcpy(p, result);
result=p;
strcat(result, line);
}
//JS_free(cx, result);
*rval = STRING_TO_JSVAL(JS_NewStringCopyZ(cx, result));
return JS_TRUE;
}
/*************************************************************************/
/* methods available */
JSFunctionSpec globalMethods[] = {
{"call", call, 0, 0},
{"use", use, 0, 0},
{ NULL, NULL, 0, 0}
};
JSFunctionSpec systemMethods[] = {
{"print", system_print, 0, 0},
{"version", system_version, 0, 0},
{"system", system_system, 0, 0},
{"gc", system_gc, 0, 0},
{"pipe", system_pipe, 0, 0},
{"script", system_script, 0, 0},
//{"help", system_help, 0, 0},
{"exit", system_exit, 0, 0},
{ NULL, NULL, 0, 0}
};
JSFunctionSpec envMethods[] = {
{"toString", env_toString, 0},
{ NULL, NULL,0 }
};
/*
Read a file. Return it as a char pointer that
should be deallocated. Ignore #-comments.
*/
static char*
processFile(FILE *file){
char *buf, *bufEnd, *bufUpto, ch;
int bufLen, len;
/* read the file into memory */
bufLen = 4096;
buf = malloc(bufLen); /* allocate character buffer */
bufEnd = buf+bufLen; /* end of the buffer */
bufUpto = buf; /* current buffer pointer */
ch=fgetc(file); /* ignore first line starting with # */
if(ch=='#')
while((ch=fgetc(file))!=EOF) { if(ch=='\n') break;}
else
ungetc(ch,file);
while((len=fread(bufUpto, sizeof(char), bufEnd-bufUpto, file))>0){
bufUpto+=len;
if(bufUpto>=bufEnd) { /* expand the buffer if needed */
bufLen+=bufLen;
bufEnd=buf+bufLen;
buf=realloc(buf,bufLen);
}
}
*bufUpto = '\0';
//puts(buf);
return buf;
}
/*
Read JavaScript source from file or stdin if !filename
Evaluate it.
*/
static JSBool
Process(JSContext *cx, JSObject *obj, char *filename, jsval *rval){
FILE *file;
char *ch;
/* Process the input */
if(filename){
file = fopen(filename, "r");
if(file==NULL){
JS_ReportError(cx, "Can't open %s\n", filename);
return JS_FALSE;
}
ch = processFile(file);
JS_EvaluateScript(cx, obj, ch, strlen(ch), "jssh", 0, rval);
free(ch);
fclose(file);
}else{
/* process input line-by-line */
char line[256];
int currLine = 0;
JSString *str;
do{
printf("js> ");
gets(line);
*rval = JSVAL_VOID;
JS_EvaluateScript(cx, globalObject, line, strlen(line), "jss", ++currLine, rval);
if(!JSVAL_IS_VOID(*rval)){
str=JS_ValueToString(cx, *rval);
if(!str){
JS_ReportError(cx, "Can't convert to string");
}
printf("%s\n", JS_GetStringBytes(str));
}
}while(1); /* need to type 'exit' to exit */
}
}
static int
usage(){
fprintf(stderr, "%s", JS_GetImplementationVersion());
fputs("usage: js [ [scriptfile] [scriptarg...] | - ]", stderr);
return 2;
}
/*
This is taken from JSShell.
*/
static int
ProcessArgs(JSContext *cx, JSObject *obj, char **argv, int argc){
int i;
char *filename;
jsval *vector;
jsval *p;
JSObject *argsObj;
jsval rval;
JSBool ok;
/* prompt */
if(argc<2 || !strcmp(argv[1], "-"))
filename = NULL;
else if(argc==2)
filename = argv[1];
else
return usage();
vector = JS_malloc(cx, (argc-1)* sizeof(jsval));
p = vector;
if(!p){
JS_ReportError(cx, "Error in ProcessArgs, p==NULL!");
}
for(i=1;i<argc;i++){
JSString *str = JS_NewStringCopyZ(cx, argv[i]);
if (str == NULL) return 1;
*p++ = STRING_TO_JSVAL(str);
}
argsObj = JS_NewArrayObject(cx, argc-1, vector);
if(!argsObj){
JS_ReportError(cx, "Error in ProcessArgs, argsObj==NULL!");
}
ok = JS_DefineProperty(cx, systemObject, "ARGV",
OBJECT_TO_JSVAL(argsObj), NULL, NULL,
JSPROP_ENUMERATE|JSPROP_READONLY|JSPROP_PERMANENT);
if(!ok){
JS_ReportError(cx, "Can't define property ARGV");
}
JS_free(cx, vector);
Process(cx, obj, filename, &rval);
return 0;
}
/* perform basic initialization */
static void
initShell(){
/* Initialization */
rt = JS_Init(1000000L); /* runtime */
cx = JS_NewContext(rt, STACK_CHUNK_SIZE); /* context */
JS_SetErrorReporter(cx, errorReporter); /* error reporter */
globalObject = /* global object */
JS_NewObject(cx, &globalClass, NULL, NULL);
JS_InitStandardClasses(cx, globalObject); /* basic classes */
#ifdef HAS_FILE_SUPPORT
if(!js_InitFileClass(cx, globalObject)){ /* File */
JS_ReportError(cx, "Failed to initialize File support");
return;
}
#endif
#ifdef LIVECONNECT
if(!JSJ_SimpleInit(cx, globalObject, NULL, getenv("CLASSPATH"))){
JS_ReportError(cx, "Failed to initialize LiveConnect");
return;
}
#endif
}
/* destroy everything */
static void
finilizeShell(){
#ifdef LIVECONNECT
JSJ_SimpleShutdown();
#endif
JS_GC(cx);
JS_DestroyContext(cx);
JS_Finish(rt);
}
/* standard shell objects and properties */
static void
initShellObjects(){
JSObject *stream;
jsval v;
extern JSObject* JS_InitPerlClass(JSContext*, JSObject*);
/* predefine System and its properties */
JS_DefineFunctions(cx, globalObject, globalMethods);
systemObject = /* System */
JS_DefineObject(cx, globalObject, "System", &systemClass, NULL, JSPROP_ENUMERATE);
JS_DefineFunctions(cx, systemObject, systemMethods);
JS_DefineProperty(cx, systemObject, "platform",
STRING_TO_JSVAL(JS_NewStringCopyZ(cx, PLATFORM)), NULL, NULL,
JSPROP_ENUMERATE|JSPROP_PERMANENT|JSPROP_READONLY);
/* define standard stream */
stream = js_NewFileObjectFromFILE(cx, stdout, "Special file System.out", JS_TRUE);
if (!stream){
JS_ReportError(cx, "Can't create System.out");
exit(1);
}
v=OBJECT_TO_JSVAL(stream);
JS_SetProperty(cx, systemObject, "stdout", &v);
stream = js_NewFileObjectFromFILE(cx, stderr, "Special file System.err", JS_TRUE);
if (!stream){
JS_ReportError(cx, "Can't create System.err");
exit(1);
}
v=OBJECT_TO_JSVAL(stream);
JS_SetProperty(cx, systemObject, "stderr", &v);
stream = js_NewFileObjectFromFILE(cx, stdin, "Special file System.in", JS_TRUE);
if (!stream){
JS_ReportError(cx, "Can't create System.in");
exit(1);
}
v=OBJECT_TO_JSVAL(stream);
JS_SetProperty(cx, systemObject, "stdin", &v);
/* define Environment and populate it */
envObject = /* Environment */
JS_DefineObject(cx, globalObject, "Environment", &envClass, NULL, JSPROP_ENUMERATE);
JS_DefineFunctions(cx, envObject, envMethods);
readEnvironment(cx, envObject); /* initialize Environment's properties */
#ifdef PERLCONNECT
JS_InitPerlClass(cx, globalObject);
#endif
}
int
main(int argc, char **argv){
int result;
initShell();
initShellObjects();
result = ProcessArgs(cx, globalObject, argv, argc);
finilizeShell();
return result;
}

88
mozilla/js/src/sh/jssh.dsp
View File

@ -1,88 +0,0 @@
# Microsoft Developer Studio Project File - Name="jssh" - Package Owner=<4>
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29
mozilla/js/src/sh/jssh.dsw
View File

@ -1,29 +0,0 @@
Microsoft Developer Studio Workspace File, Format Version 5.00
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