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1 | /* Cycript - Inlining/Optimizing JavaScript Compiler | |
2 | * Copyright (C) 2009 Jay Freeman (saurik) | |
3 | */ | |
4 | ||
5 | /* Modified BSD License {{{ */ | |
6 | /* | |
7 | * Redistribution and use in source and binary | |
8 | * forms, with or without modification, are permitted | |
9 | * provided that the following conditions are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the | |
12 | * above copyright notice, this list of conditions | |
13 | * and the following disclaimer. | |
14 | * 2. Redistributions in binary form must reproduce the | |
15 | * above copyright notice, this list of conditions | |
16 | * and the following disclaimer in the documentation | |
17 | * and/or other materials provided with the | |
18 | * distribution. | |
19 | * 3. The name of the author may not be used to endorse | |
20 | * or promote products derived from this software | |
21 | * without specific prior written permission. | |
22 | * | |
23 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' | |
24 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, | |
25 | * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
26 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
27 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE | |
28 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
29 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
30 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
31 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
32 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
33 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR | |
34 | * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
35 | * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | |
36 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
37 | */ | |
38 | /* }}} */ | |
39 | ||
40 | #include "Replace.hpp" | |
41 | #include "ObjectiveC/Syntax.hpp" | |
42 | ||
43 | #include <Foundation/Foundation.h> | |
44 | #include <sstream> | |
45 | ||
46 | CYStatement *CYCategory::Replace(CYContext &context) { | |
47 | CYVariable *cyc($V("$cyc")), *cys($V("$cys")); | |
48 | ||
49 | return $E($C1($F(NULL, $P5("$cys", "$cyp", "$cyc", "$cyn", "$cyt"), $$->* | |
50 | $E($ CYAssign($V("$cyp"), $C1($V("object_getClass"), cys)))->* | |
51 | $E($ CYAssign(cyc, cys))->* | |
52 | $E($ CYAssign($V("$cym"), $C1($V("object_getClass"), cyc)))->* | |
53 | messages_->Replace(context, true) | |
54 | ), name_->ClassName(context, true))); | |
55 | } | |
56 | ||
57 | CYExpression *CYClass::Replace_(CYContext &context) { | |
58 | CYVariable *cyc($V("$cyc")), *cys($V("$cys")); | |
59 | ||
60 | CYExpression *name(name_ != NULL ? name_->ClassName(context, false) : $C1($V("$cyq"), $S("CY$"))); | |
61 | ||
62 | return $C1($F(NULL, $P6("$cys", "$cyp", "$cyc", "$cyn", "$cyt", "$cym"), $$->* | |
63 | $E($ CYAssign($V("$cyp"), $C1($V("object_getClass"), cys)))->* | |
64 | $E($ CYAssign(cyc, $C3($V("objc_allocateClassPair"), cys, name, $D(0))))->* | |
65 | $E($ CYAssign($V("$cym"), $C1($V("object_getClass"), cyc)))->* | |
66 | protocols_->Replace(context)->* | |
67 | fields_->Replace(context)->* | |
68 | messages_->Replace(context, false)->* | |
69 | $E($C1($V("objc_registerClassPair"), cyc))->* | |
70 | $ CYReturn(cyc) | |
71 | ), super_ == NULL ? $ CYNull() : super_); | |
72 | } | |
73 | ||
74 | CYExpression *CYClassExpression::Replace(CYContext &context) { | |
75 | return Replace_(context); | |
76 | } | |
77 | ||
78 | CYStatement *CYClassStatement::Replace(CYContext &context) { | |
79 | return $E(Replace_(context)); | |
80 | } | |
81 | ||
82 | CYStatement *CYField::Replace(CYContext &context) const { | |
83 | return NULL; | |
84 | } | |
85 | ||
86 | CYStatement *CYMessage::Replace(CYContext &context, bool replace) const { $T(NULL) | |
87 | CYVariable *cyn($V("$cyn")); | |
88 | CYVariable *cyt($V("$cyt")); | |
89 | CYVariable *self($V("self")); | |
90 | CYVariable *_class($V(instance_ ? "$cys" : "$cyp")); | |
91 | ||
92 | return $ CYBlock($$->* | |
93 | next_->Replace(context, replace)->* | |
94 | $E($ CYAssign(cyn, parameters_->Selector(context)))->* | |
95 | $E($ CYAssign(cyt, $C1($M(cyn, $S("type")), _class)))->* | |
96 | $E($C4($V(replace ? "class_replaceMethod" : "class_addMethod"), | |
97 | $V(instance_ ? "$cyc" : "$cym"), | |
98 | cyn, | |
99 | $N2($V("Functor"), $F(NULL, $P2("self", "_cmd", parameters_->Parameters(context)), $$->* | |
100 | $ CYVar($L1($L($I("$cyr"), $N2($V("Super"), self, _class))))->* | |
101 | $ CYReturn($C1($M($F(NULL, NULL, code_), $S("call")), self)) | |
102 | ), cyt), | |
103 | cyt | |
104 | )) | |
105 | ); | |
106 | } | |
107 | ||
108 | CYFunctionParameter *CYMessageParameter::Parameters(CYContext &context) const { $T(NULL) | |
109 | CYFunctionParameter *next(next_->Parameters(context)); | |
110 | return name_ == NULL ? next : $ CYFunctionParameter(name_, next); | |
111 | } | |
112 | ||
113 | CYSelector *CYMessageParameter::Selector(CYContext &context) const { | |
114 | return $ CYSelector(SelectorPart(context)); | |
115 | } | |
116 | ||
117 | CYSelectorPart *CYMessageParameter::SelectorPart(CYContext &context) const { $T(NULL) | |
118 | CYSelectorPart *next(next_->SelectorPart(context)); | |
119 | return tag_ == NULL ? next : $ CYSelectorPart(tag_, name_ != NULL, next); | |
120 | } | |
121 | ||
122 | CYStatement *CYProtocol::Replace(CYContext &context) const { $T(NULL) | |
123 | return $ CYBlock($$->* | |
124 | next_->Replace(context)->* | |
125 | $E($C2($V("class_addProtocol"), | |
126 | $V("$cyc"), name_ | |
127 | )) | |
128 | ); | |
129 | } | |
130 | ||
131 | CYExpression *CYSelector::Replace(CYContext &context) { | |
132 | return $N1($V("Selector"), name_->Replace(context)); | |
133 | } | |
134 | ||
135 | CYString *CYSelectorPart::Replace(CYContext &context) { | |
136 | std::ostringstream str; | |
137 | for (const CYSelectorPart *part(this); part != NULL; part = part->next_) { | |
138 | if (part->name_ != NULL) | |
139 | str << part->name_->Word(); | |
140 | if (part->value_) | |
141 | str << ':'; | |
142 | } | |
143 | return $S(apr_pstrdup(context.pool_, str.str().c_str())); | |
144 | } | |
145 | ||
146 | CYExpression *CYSendDirect::Replace(CYContext &context) { | |
147 | std::ostringstream name; | |
148 | CYArgument **argument(&arguments_); | |
149 | CYSelectorPart *selector(NULL), *current(NULL); | |
150 | ||
151 | while (*argument != NULL) { | |
152 | if ((*argument)->name_ != NULL) { | |
153 | CYSelectorPart *part($ CYSelectorPart((*argument)->name_, (*argument)->value_ != NULL)); | |
154 | if (selector == NULL) | |
155 | selector = part; | |
156 | if (current != NULL) | |
157 | current->SetNext(part); | |
158 | current = part; | |
159 | (*argument)->name_ = NULL; | |
160 | } | |
161 | ||
162 | if ((*argument)->value_ == NULL) | |
163 | *argument = (*argument)->next_; | |
164 | else | |
165 | argument = &(*argument)->next_; | |
166 | } | |
167 | ||
168 | return $C2($V("objc_msgSend"), self_, ($ CYSelector(selector))->Replace(context), arguments_); | |
169 | } | |
170 | ||
171 | CYExpression *CYSendSuper::Replace(CYContext &context) { | |
172 | return $ CYSendDirect($V("$cyr"), arguments_); | |
173 | } |