-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009 Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2010 Jay Freeman (saurik)
*/
-/* Modified BSD License {{{ */
+/* GNU Lesser General Public License, Version 3 {{{ */
/*
- * Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * Cycript is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
*
- * 1. Redistributions of source code must retain the
- * above copyright notice, this list of conditions
- * and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- * above copyright notice, this list of conditions
- * and the following disclaimer in the documentation
- * and/or other materials provided with the
- * distribution.
- * 3. The name of the author may not be used to endorse
- * or promote products derived from this software
- * without specific prior written permission.
+ * Cycript is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
*
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Cycript. If not, see <http://www.gnu.org/licenses/>.
+**/
/* }}} */
#include "Parser.hpp"
}
CYExpression *CYCompound::Replace(CYContext &context) {
- expressions_ = expressions_->ReplaceAll(context);
- return expressions_ == NULL ? NULL : this;
+ CYExpression **last(&expressions_);
+ for (CYExpression *next(expressions_); next != NULL; next = next->next_)
+ last = &(*last = next->Replace(context))->next_;
+ return this;
}
CYFunctionParameter *CYComprehension::Parameters(CYContext &context) const { $T(NULL)
cy::Syntax::Catch *rescue(
$ cy::Syntax::Catch(cye, $$->*
- $ CYIf($ CYIdentical($M($ CYVariable(cye), $S("$cyk")), $ CYVariable(unique)), $$->*
- $ CYReturn($M($ CYVariable(cye), $S("$cyv"))))->*
- $ cy::Syntax::Throw($ CYVariable(cye))));
+ $ CYIf($ CYIdentical($M($V(cye), $S("$cyk")), $V(unique)), $$->*
+ $ CYReturn($M($V(cye), $S("$cyv"))))->*
+ $ cy::Syntax::Throw($V(cye))));
- declare = declare->Replace(context);
+ context.Replace(declare);
rescue->Replace(context);
statements = $$->*
}
CYIdentifier *CYContext::Unique() {
- CYContext &context(*this);
- return $ CYIdentifier(apr_psprintf(pool_, "$cy%u", unique_++));
+ return $ CYIdentifier(apr_psprintf($pool, "$cy%u", unique_++));
}
CYStatement *CYContinue::Replace(CYContext &context) {
}
CYExpression *CYDeclaration::ForEachIn(CYContext &context) {
- return $ CYVariable(identifier_);
+ return $V(identifier_);
}
CYExpression *CYDeclaration::Replace(CYContext &context) {
context.Replace(identifier_);
context.scope_->Declare(context, identifier_, CYIdentifierVariable);
- return $ CYVariable(identifier_);
+ return $V(identifier_);
}
CYProperty *CYDeclarations::Property(CYContext &context) { $T(NULL)
return this;
}
-CYExpression *CYExpression::ReplaceAll(CYContext &context) { $T(NULL)
- CYExpression *replace(this);
- context.Replace(replace);
-
- if (CYExpression *next = next_->ReplaceAll(context))
- replace->SetNext(next);
- else
- replace->SetNext(next_);
-
- return replace;
-}
-
CYNumber *CYFalse::Number(CYContext &context) {
return $D(0);
}
}
CYStatement *CYForInComprehension::Replace(CYContext &context, CYStatement *statement) const {
- return $ CYForIn($ CYVariable(name_), set_, CYComprehension::Replace(context, statement));
+ return $ CYForIn($V(name_), set_, CYComprehension::Replace(context, statement));
}
CYStatement *CYForEachIn::Replace(CYContext &context) {
- CYVariable *cys($V("$cys")), *cyt($V("$cyt"));
+ CYIdentifier *cys($I("$cys")), *cyt($I("$cyt"));
- return $ CYLet($L2($L($I("$cys"), set_), $L($I("$cyt"))), $$->*
- $ CYForIn(cyt, cys, $ CYBlock($$->*
- $E($ CYAssign(initialiser_->ForEachIn(context), $M(cys, cyt)))->*
+ return $ CYLet($L2($L(cys, set_), $L(cyt)), $$->*
+ $ CYForIn($V(cyt), $V(cys), $ CYBlock($$->*
+ $E($ CYAssign(initialiser_->ForEachIn(context), $M($V(cys), $V(cyt))))->*
code_
))
);
}
CYStatement *CYForEachInComprehension::Replace(CYContext &context, CYStatement *statement) const {
- CYVariable *cys($V("$cys")), *name($ CYVariable(name_));
+ CYIdentifier *cys($I("cys"));
return $E($C0($F(NULL, $P1("$cys"), $$->*
- $E($ CYAssign(cys, set_))->*
- $ CYForIn(name, cys, $ CYBlock($$->*
- $E($ CYAssign(name, $M(cys, name)))->*
+ $E($ CYAssign($V(cys), set_))->*
+ $ CYForIn($V(name_), $V(cys), $ CYBlock($$->*
+ $E($ CYAssign($V(name_), $M($V(cys), $V(name_))))->*
CYComprehension::Replace(context, statement)
))
)));
}
CYFunctionParameter *CYFunctionParameter::Replace(CYContext &context, CYBlock &code) {
- name_ = name_->Replace(context);
+ context.Replace(name_);
context.scope_->Declare(context, name_, CYIdentifierArgument);
if (next_ != NULL)
next_ = next_->Replace(context, code);
context.Replace(property_);
}
-CYExpression *CYNew::AddArgument(CYContext &context, CYExpression *value) {
+namespace cy {
+namespace Syntax {
+
+CYExpression *New::AddArgument(CYContext &context, CYExpression *value) {
CYArgument **argument(&arguments_);
while (*argument != NULL)
argument = &(*argument)->next_;
return this;
}
-CYExpression *CYNew::Replace(CYContext &context) {
+CYExpression *New::Replace(CYContext &context) {
context.Replace(constructor_);
arguments_->Replace(context);
return this;
}
+} }
+
CYNumber *CYNull::Number(CYContext &context) {
return $D(0);
}
CYString *CYNumber::String(CYContext &context) {
// XXX: there is a precise algorithm for this
- return $S(apr_psprintf(context.pool_, "%.17g", Value()));
+ return $S(apr_psprintf($pool, "%.17g", Value()));
}
CYExpression *CYObject::Replace(CYContext &context) {
CYFunctionParameter *CYOptionalFunctionParameter::Replace(CYContext &context, CYBlock &code) {
CYFunctionParameter *parameter($ CYFunctionParameter(name_, next_));
parameter = parameter->Replace(context, code);
- initializer_ = initializer_->Replace(context);
+ context.Replace(initializer_);
- CYVariable *name($ CYVariable(name_));
+ CYVariable *name($V(name_));
code.AddPrev($ CYIf($ CYIdentical($ CYTypeOf(name), $S("undefined")), $$->*
$E($ CYAssign(name, initializer_))
));
const char *name;
if (context.options_.verbose_)
- name = apr_psprintf(context.pool_, "$%"APR_SIZE_T_FMT"", offset);
+ name = apr_psprintf($pool, "$%"APR_SIZE_T_FMT"", offset);
else {
char id[8];
id[7] = '\0';
goto id;
}
- name = apr_pstrmemdup(context.pool_, id + position, 7 - position);
+ name = apr_pstrmemdup($pool, id + position, 7 - position);
// XXX: at some point, this could become a keyword
}
if (context.nonlocal_ != NULL) {
CYProperty *value(value_ == NULL ? NULL : $ CYProperty($S("$cyv"), value_));
return $ cy::Syntax::Throw($ CYObject(
- $ CYProperty($S("$cyk"), $ CYVariable(context.nonlocal_->Target(context)), value)
+ $ CYProperty($S("$cyk"), $V(context.nonlocal_->Target(context)), value)
));
}
CYString *CYString::Concat(CYContext &context, CYString *rhs) const {
size_t size(size_ + rhs->size_);
- char *value(new(context.pool_) char[size + 1]);
+ char *value($ char[size + 1]);
memcpy(value, value_, size_);
memcpy(value + size_, rhs->value_, rhs->size_);
value[size] = '\0';
}
CYExpression *CYVariable::Replace(CYContext &context) {
- name_ = name_->Replace(context);
+ context.Replace(name_);
return this;
}