1 | // -*- mode: c++; c-basic-offset: 4 -*-
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2 | /*
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3 | * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | *
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14 | * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
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15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
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18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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25 | */
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26 |
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27 | #include "JSBase.h"
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28 |
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29 | #include "APICast.h"
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30 |
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31 | #include <kjs/ExecState.h>
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32 | #include <kjs/interpreter.h>
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33 | #include <kjs/JSLock.h>
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34 | #include <kjs/object.h>
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35 |
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36 | using namespace KJS;
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37 |
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38 | JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef thisObject, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
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39 | {
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40 | JSLock lock;
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41 | ExecState* exec = toJS(ctx);
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42 | JSObject* jsThisObject = toJS(thisObject);
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43 | UString::Rep* scriptRep = toJS(script);
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44 | UString::Rep* sourceURLRep = toJS(sourceURL);
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45 | // Interpreter::evaluate sets "this" to the global object if it is NULL
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46 | Completion completion = exec->dynamicInterpreter()->evaluate(UString(sourceURLRep), startingLineNumber, UString(scriptRep), jsThisObject);
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47 |
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48 | if (completion.complType() == Throw) {
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49 | if (exception)
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50 | *exception = toRef(completion.value());
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51 | return 0;
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52 | }
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53 |
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54 | if (completion.value())
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55 | return toRef(completion.value());
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56 |
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57 | // happens, for example, when the only statement is an empty (';') statement
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58 | return toRef(jsUndefined());
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59 | }
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60 |
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61 | bool JSCheckScriptSyntax(JSContextRef ctx, JSStringRef script, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception)
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62 | {
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63 | JSLock lock;
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64 |
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65 | ExecState* exec = toJS(ctx);
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66 | UString::Rep* scriptRep = toJS(script);
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67 | UString::Rep* sourceURLRep = toJS(sourceURL);
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68 | Completion completion = exec->dynamicInterpreter()->checkSyntax(UString(sourceURLRep), startingLineNumber, UString(scriptRep));
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69 | if (completion.complType() == Throw) {
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70 | if (exception)
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71 | *exception = toRef(completion.value());
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72 | return false;
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73 | }
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74 |
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75 | return true;
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76 | }
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77 |
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78 | void JSGarbageCollect(JSContextRef)
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79 | {
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80 | JSLock lock;
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81 | Collector::collect();
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82 | }
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