Add support for C++11 lambda expression syntax.

[cycript.git] / Output.cpp

diff --git a/Output.cpp b/Output.cpp
index c6686587eb87345dedb17cbca06b77f078a20863..084bf719b3405679ce9a4c8d9508be88133b3ab5 100644 (file)
--- a/Output.cpp
+++ b/Output.cpp
@@ -1,40 +1,22 @@
-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009  Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2013  Jay Freeman (saurik)

 */
 
 */
 

-/* Modified BSD License {{{ */
+/* GNU 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 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 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 General Public License
+ * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+**/

 /* }}} */
 
 #include "cycript.hpp"
 /* }}} */
 
 #include "cycript.hpp"


@@ -42,34 +24,6 @@
 
 #include <sstream>
 
 
 #include <sstream>
 

-_finline CYFlags operator ~(CYFlags rhs) {
-    return static_cast<CYFlags>(~static_cast<unsigned>(rhs));
-}
-
-_finline CYFlags operator &(CYFlags lhs, CYFlags rhs) {
-    return static_cast<CYFlags>(static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs));
-}
-
-_finline CYFlags operator |(CYFlags lhs, CYFlags rhs) {
-    return static_cast<CYFlags>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs));
-}
-
-_finline CYFlags &operator |=(CYFlags &lhs, CYFlags rhs) {
-    return lhs = lhs | rhs;
-}
-
-_finline CYFlags CYLeft(CYFlags flags) {
-    return flags & ~(CYNoDangle | CYNoInteger);
-}
-
-_finline CYFlags CYRight(CYFlags flags) {
-    return flags & ~CYNoBF;
-}
-
-_finline CYFlags CYCenter(CYFlags flags) {
-    return CYLeft(CYRight(flags));
-}
-

 void CYOutput::Terminate() {
     out_ << ';';
     mode_ = NoMode;
 void CYOutput::Terminate() {
     out_ << ';';
     mode_ = NoMode;


@@ -162,7 +116,7 @@ void CYArgument::Output(CYOutput &out) const {
             out << ':' << ' ';
     }
     if (value_ != NULL)
             out << ':' << ' ';
     }
     if (value_ != NULL)

-        value_->Output(out, CYPA, CYNoFlags);
+        value_->Output(out, CYAssign::Precedence_, CYNoFlags);

     if (next_ != NULL) {
         if (next_->name_ == NULL)
             out << ',';
     if (next_ != NULL) {
         if (next_->name_ == NULL)
             out << ',';


@@ -259,9 +213,9 @@ void CYCondition::Output(CYOutput &out, CYFlags flags) const {
     test_->Output(out, Precedence() - 1, CYLeft(flags));
     out << ' ' << '?' << ' ';
     if (true_ != NULL)
     test_->Output(out, Precedence() - 1, CYLeft(flags));
     out << ' ' << '?' << ' ';
     if (true_ != NULL)

-        true_->Output(out, CYPA, CYNoFlags);
+        true_->Output(out, CYAssign::Precedence_, CYNoFlags);

     out << ' ' << ':' << ' ';
     out << ' ' << ':' << ' ';

-    false_->Output(out, CYPA, CYRight(flags));
+    false_->Output(out, CYAssign::Precedence_, CYRight(flags));

 }
 
 void CYContinue::Output(CYOutput &out, CYFlags flags) const {
 }
 
 void CYContinue::Output(CYOutput &out, CYFlags flags) const {


@@ -282,8 +236,8 @@ void CYClause::Output(CYOutput &out) const {
     out << next_;
 }
 
     out << next_;
 }
 

-const char *CYDeclaration::ForEachIn() const {
-    return identifier_->Word();
+void CYDebugger::Output(CYOutput &out, CYFlags flags) const {
+    out << "debugger" << ';';

 }
 
 void CYDeclaration::ForIn(CYOutput &out, CYFlags flags) const {
 }
 
 void CYDeclaration::ForIn(CYOutput &out, CYFlags flags) const {


@@ -296,13 +250,13 @@ void CYDeclaration::Output(CYOutput &out, CYFlags flags) const {
     //out.out_ << ':' << identifier_->usage_ << '#' << identifier_->offset_;
     if (initialiser_ != NULL) {
         out << ' ' << '=' << ' ';
     //out.out_ << ':' << identifier_->usage_ << '#' << identifier_->offset_;
     if (initialiser_ != NULL) {
         out << ' ' << '=' << ' ';

-        initialiser_->Output(out, CYPA, CYRight(flags));
+        initialiser_->Output(out, CYAssign::Precedence_, CYRight(flags));

     }
 }
 
     }
 }
 

-void CYDeclarations::For(CYOutput &out) const {
+void CYForDeclarations::Output(CYOutput &out, CYFlags flags) const {

     out << "var";
     out << "var";

-    Output(out, CYNoIn);
+    Output(out, CYRight(flags));

 }
 
 void CYDeclarations::Output(CYOutput &out) const {
 }
 
 void CYDeclarations::Output(CYOutput &out) const {


@@ -312,16 +266,19 @@ void CYDeclarations::Output(CYOutput &out) const {
 void CYDeclarations::Output(CYOutput &out, CYFlags flags) const {
     const CYDeclarations *declaration(this);
     bool first(true);
 void CYDeclarations::Output(CYOutput &out, CYFlags flags) const {
     const CYDeclarations *declaration(this);
     bool first(true);

-  output:
-    CYDeclarations *next(declaration->next_);
-    CYFlags jacks(first ? CYLeft(flags) : next == NULL ? CYRight(flags) : CYCenter(flags));
-    first = false;
-    declaration->declaration_->Output(out, jacks);

 
 

-    if (next != NULL) {
+    for (;;) {
+        CYDeclarations *next(declaration->next_);
+
+        CYFlags jacks(first ? CYLeft(flags) : next == NULL ? CYRight(flags) : CYCenter(flags));
+        first = false;
+        declaration->declaration_->Output(out, jacks);
+
+        if (next == NULL)
+            break;
+

         out << ',' << ' ';
         declaration = next;
         out << ',' << ' ';
         declaration = next;

-        goto output;

     }
 }
 
     }
 }
 


@@ -341,7 +298,7 @@ void CYDoWhile::Output(CYOutput &out, CYFlags flags) const {
 
 void CYElement::Output(CYOutput &out) const {
     if (value_ != NULL)
 
 void CYElement::Output(CYOutput &out) const {
     if (value_ != NULL)

-        value_->Output(out, CYPA, CYNoFlags);
+        value_->Output(out, CYAssign::Precedence_, CYNoFlags);

     if (next_ != NULL || value_ == NULL) {
         out << ',';
         if (next_ != NULL && next_->value_ != NULL)
     if (next_ != NULL || value_ == NULL) {
         out << ',';
         if (next_ != NULL && next_->value_ != NULL)


@@ -361,15 +318,7 @@ void CYExpress::Output(CYOutput &out, CYFlags flags) const {
 }
 
 void CYExpression::ClassName(CYOutput &out, bool object) const {
 }
 
 void CYExpression::ClassName(CYOutput &out, bool object) const {

-    Output(out, CYPA, CYNoFlags);
-}
-
-const char *CYExpression::ForEachIn() const {
-    return NULL;
-}
-
-void CYExpression::For(CYOutput &out) const {
-    Output(out, CYNoIn);
+    Output(out, CYAssign::Precedence_, CYNoFlags);

 }
 
 void CYExpression::ForIn(CYOutput &out, CYFlags flags) const {
 }
 
 void CYExpression::ForIn(CYOutput &out, CYFlags flags) const {


@@ -387,6 +336,10 @@ void CYExpression::Output(CYOutput &out, unsigned precedence, CYFlags flags) con
         Output(out, flags);
 }
 
         Output(out, flags);
 }
 

+void CYFatArrow::Output(CYOutput &out, CYFlags flags) const {
+    out << '(' << parameters_ << ')' << ' ' << "=>" << ' ' << code_;
+}
+

 void CYFinally::Output(CYOutput &out) const {
     out << ' ' << "finally" << ' ' << code_;
 }
 void CYFinally::Output(CYOutput &out) const {
     out << ' ' << "finally" << ' ' << code_;
 }


@@ -394,23 +347,27 @@ void CYFinally::Output(CYOutput &out) const {
 void CYFor::Output(CYOutput &out, CYFlags flags) const {
     out << "for" << ' ' << '(';
     if (initialiser_ != NULL)
 void CYFor::Output(CYOutput &out, CYFlags flags) const {
     out << "for" << ' ' << '(';
     if (initialiser_ != NULL)

-        initialiser_->For(out);
+        initialiser_->Output(out, CYNoIn);

     out.Terminate();
     out.Terminate();

+    if (test_ != NULL)
+        out << ' ';

     out << test_;
     out.Terminate();
     out << test_;
     out.Terminate();

+    if (increment_ != NULL)
+        out << ' ';

     out << increment_;
     out << ')';
     code_->Single(out, CYRight(flags));
 }
 
     out << increment_;
     out << ')';
     code_->Single(out, CYRight(flags));
 }
 

-void CYForEachIn::Output(CYOutput &out, CYFlags flags) const {
+void CYForOf::Output(CYOutput &out, CYFlags flags) const {

     out << "for" << ' ' << "each" << ' ' << '(';
     initialiser_->ForIn(out, CYNoIn);
     out << "in" << *set_ << ')';
     code_->Single(out, CYRight(flags));
 }
 
     out << "for" << ' ' << "each" << ' ' << '(';
     initialiser_->ForIn(out, CYNoIn);
     out << "in" << *set_ << ')';
     code_->Single(out, CYRight(flags));
 }
 

-void CYForEachInComprehension::Output(CYOutput &out) const {
+void CYForOfComprehension::Output(CYOutput &out) const {

     out << "for" << ' ' << "each" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')' << next_;
 }
 
     out << "for" << ' ' << "each" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')' << next_;
 }
 


@@ -449,7 +406,7 @@ void CYFunctionStatement::Output(CYOutput &out, CYFlags flags) const {
 }
 
 void CYFunctionParameter::Output(CYOutput &out) const {
 }
 
 void CYFunctionParameter::Output(CYOutput &out) const {

-    out << *name_;
+    initialiser_->Output(out, CYNoFlags);

     if (next_ != NULL)
         out << ',' << ' ' << *next_;
 }
     if (next_ != NULL)
         out << ',' << ' ' << *next_;
 }


@@ -478,7 +435,7 @@ void CYIf::Output(CYOutput &out, CYFlags flags) const {
     true_->Single(out, jacks);
 
     if (false_ != NULL) {
     true_->Single(out, jacks);
 
     if (false_ != NULL) {

-        out << "else";
+        out << '\t' << "else";

         false_->Single(out, right);
     }
 
         false_->Single(out, right);
     }
 


@@ -517,11 +474,23 @@ void CYLabel::Output(CYOutput &out, CYFlags flags) const {
     statement_->Single(out, CYRight(flags));
 }
 
     statement_->Single(out, CYRight(flags));
 }
 

-void CYLet::Output(CYOutput &out, CYFlags flags) const {
-    out << "let" << ' ' << '(' << *declarations_ << ')' << ' ' << code_;
+void CYLambda::Output(CYOutput &out, CYFlags flags) const {
+    // XXX: this is seriously wrong
+    out << "[](";
+    out << ")->";
+    out << "{";
+    out << "}";
+}
+
+void CYLetStatement::Output(CYOutput &out, CYFlags flags) const {
+    out << "let" << ' ' << '(' << *declarations_ << ')';
+    code_->Single(out, CYRight(flags));

 }
 
 }
 

-void CYNew::Output(CYOutput &out, CYFlags flags) const {
+namespace cy {
+namespace Syntax {
+
+void New::Output(CYOutput &out, CYFlags flags) const {

     out << "new" << ' ';
     CYFlags jacks(CYNoCall | CYCenter(flags));
     constructor_->Output(out, Precedence(), jacks);
     out << "new" << ' ';
     CYFlags jacks(CYNoCall | CYCenter(flags));
     constructor_->Output(out, Precedence(), jacks);


@@ -529,6 +498,8 @@ void CYNew::Output(CYOutput &out, CYFlags flags) const {
         out << '(' << *arguments_ << ')';
 }
 
         out << '(' << *arguments_ << ')';
 }
 

+} }
+

 void CYNull::Output(CYOutput &out, CYFlags flags) const {
     CYWord::Output(out);
 }
 void CYNull::Output(CYOutput &out, CYFlags flags) const {
     CYWord::Output(out);
 }


@@ -560,13 +531,6 @@ void CYObject::Output(CYOutput &out, CYFlags flags) const {
         out << ')';
 }
 
         out << ')';
 }
 

-void CYOptionalFunctionParameter::Output(CYOutput &out) const {
-    out << *name_ << '=';
-    initializer_->Output(out, CYPA, CYNoFlags);
-    if (next_ != NULL)
-        out << ',' << ' ' << *next_;
-}
-

 void CYPostfix::Output(CYOutput &out, CYFlags flags) const {
     lhs_->Output(out, Precedence(), CYLeft(flags));
     out << Operator();
 void CYPostfix::Output(CYOutput &out, CYFlags flags) const {
     lhs_->Output(out, Precedence(), CYLeft(flags));
     out << Operator();


@@ -589,7 +553,7 @@ void CYProperty::Output(CYOutput &out) const {
     out << '\t';
     name_->PropertyName(out);
     out << ':' << ' ';
     out << '\t';
     name_->PropertyName(out);
     out << ':' << ' ';

-    value_->Output(out, CYPA, CYNoFlags);
+    value_->Output(out, CYAssign::Precedence_, CYNoFlags);

     if (next_ != NULL)
         out << ',' << '\n' << *next_;
     else
     if (next_ != NULL)
         out << ',' << '\n' << *next_;
     else


@@ -620,9 +584,9 @@ void CYRubyProc::Output(CYOutput &out, CYFlags flags) const {
 
 void CYStatement::Multiple(CYOutput &out, CYFlags flags) const {
     bool first(true);
 
 void CYStatement::Multiple(CYOutput &out, CYFlags flags) const {
     bool first(true);

-    for (const CYStatement *next(this); next != NULL; next = next->next_) {
+    CYForEach (next, this) {

         bool last(next->next_ == NULL);
         bool last(next->next_ == NULL);

-        CYFlags jacks(first ? last ? flags : CYLeft(flags) : last ? CYCenter(flags) : CYRight(flags));
+        CYFlags jacks(first ? last ? flags : CYLeft(flags) : last ? CYRight(flags) : CYCenter(flags));

         first = false;
         out << '\t';
         next->Output(out, jacks);
         first = false;
         out << '\t';
         next->Output(out, jacks);


@@ -631,6 +595,9 @@ void CYStatement::Multiple(CYOutput &out, CYFlags flags) const {
 }
 
 void CYStatement::Single(CYOutput &out, CYFlags flags) const {
 }
 
 void CYStatement::Single(CYOutput &out, CYFlags flags) const {

+    if (this == NULL)
+        return out.Terminate();
+

     _assert(next_ == NULL);
     out << '\n';
     ++out.indent_;
     _assert(next_ == NULL);
     out << '\n';
     ++out.indent_;