X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/b09da87b6557610325d46e3294ea0b6aba69ebf0..75b0a45730c047dc8bf77060f4fade2488e073fa:/Output.cpp

diff --git a/Output.cpp b/Output.cpp
index a35ab81..1d4a510 100644
--- a/Output.cpp
+++ b/Output.cpp
@@ -3,6 +3,9 @@
 #include <iostream>
 #include <iomanip>
 
+#include <objc/runtime.h>
+#include <sstream>
+
 _finline CYFlags operator ~(CYFlags rhs) {
     return static_cast<CYFlags>(~static_cast<unsigned>(rhs));
 }
@@ -43,7 +46,7 @@ bool CYTrue::Value() const {
 
 void CYAddressOf::Output(std::ostream &out, CYFlags flags) const {
     rhs_->Output(out, 1, CYLeft(flags));
-    out << ".$()";
+    out << ".$cya()";
 }
 
 void CYArgument::Output(std::ostream &out) const {
@@ -70,12 +73,35 @@ void CYArray::Output(std::ostream &out, CYFlags flags) const {
     out << ']';
 }
 
+void CYArrayComprehension::Output(std::ostream &out, CYFlags flags) const {
+    // XXX: I don't necc. need the ()s
+    out << "(function($cyv";
+    for (CYComprehension *comprehension(comprehensions_); comprehension != NULL; comprehension = comprehension->next_)
+        if (const char *name = comprehension->Name())
+            out << ',' << name;
+    out << "){";
+    out << "$cyt=[];";
+    comprehensions_->Output(out);
+    out << "$cyt.push(";
+    expression_->Output(out, CYPA, CYNoFlags);
+    out << ");";
+    for (CYComprehension *comprehension(comprehensions_); comprehension != NULL; comprehension = comprehension->next_)
+        comprehension->End_(out);
+    out << "return $cyt;";
+    out << "}())";
+}
+
 void CYAssignment::Output(std::ostream &out, CYFlags flags) const {
     lhs_->Output(out, Precedence() - 1, CYLeft(flags));
     out << Operator();
     rhs_->Output(out, Precedence(), CYRight(flags));
 }
 
+void CYBlock::Output(std::ostream &out) const {
+    for (CYSource *statement(statements_); statement != NULL; statement = statement->next_)
+        statement->Output(out);
+}
+
 void CYBoolean::Output(std::ostream &out, CYFlags flags) const {
     if ((flags & CYNoLeader) != 0)
         out << ' ';
@@ -104,21 +130,67 @@ void CYCatch::Output(std::ostream &out) const {
     code_->Output(out, true);
 }
 
+void CYCategory::Output(std::ostream &out) const {
+    out << "(function($cys,$cyp,$cyc,$cyn,$cyt){";
+    out << "$cyp=object_getClass($cys);";
+    out << "$cyc=$cys;";
+    if (messages_ != NULL)
+        messages_->Output(out, true);
+    out << "})(";
+    name_->ClassName(out, true);
+    out << ");";
+}
+
 void CYClass::Output(std::ostream &out) const {
-    out << "(function($cys,$cyc,$cym,$cyn,$cyt){";
-    out << "$cyc=objc_allocateClassPair($cys,\"" << *name_ << "\",0);";
+    Output(out, CYNoBF);
+    out << ";";
+}
+
+void CYClass::Output(std::ostream &out, CYFlags flags) const {
+    // XXX: I don't necc. need the ()s
+    out << "(function($cys,$cyp,$cyc,$cyn,$cyt,$cym){";
+    out << "$cyp=object_getClass($cys);";
+    out << "$cyc=objc_allocateClassPair($cys,";
+    if (name_ != NULL)
+        name_->ClassName(out, false);
+    else
+        out << "$cyq(\"CY$\")";
+    out << ",0);";
     out << "$cym=object_getClass($cyc);";
     if (fields_ != NULL)
         fields_->Output(out);
     if (messages_ != NULL)
-        messages_->Output(out);
+        messages_->Output(out, false);
     out << "objc_registerClassPair($cyc);";
-    out << "})(";
+    out << "return $cyc;";
+    out << "}(";
     if (super_ != NULL)
         super_->Output(out, CYPA, CYNoFlags);
     else
         out << "null";
-    out << ");";
+    out << "))";
+}
+
+void CYCompound::Output(std::ostream &out, CYFlags flags) const {
+    if (CYExpression *expression = expressions_)
+        if (CYExpression *next = expression->next_) {
+            expression->Output(out, CYLeft(flags));
+            CYFlags center(CYCenter(flags));
+            while (next != NULL) {
+                expression = next;
+                out << ',';
+                next = expression->next_;
+                CYFlags right(next != NULL ? center : CYRight(flags));
+                expression->Output(out, right);
+            }
+        } else
+            expression->Output(out, flags);
+}
+
+void CYComprehension::Output(std::ostream &out) const {
+    Begin_(out);
+    if (next_ != NULL)
+        next_->Output(out);
 }
 
 void CYCondition::Output(std::ostream &out, CYFlags flags) const {
@@ -149,40 +221,60 @@ void CYClause::Output(std::ostream &out) const {
     out << *next_;
 }
 
-// XXX: deal with NoIn
-void CYDeclaration::Part(std::ostream &out) const {
+void CYDeclaration::Part(std::ostream &out, CYFlags flags) const {
+    if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << "var ";
-    Output(out);
+    Output(out, CYRight(flags));
 }
 
-void CYDeclaration::Output(std::ostream &out) const {
+void CYDeclaration::ForEachIn(std::ostream &out) const {
+    out << *identifier_;
+}
+
+void CYDeclaration::Output(std::ostream &out, CYFlags flags) const {
     out << *identifier_;
     if (initialiser_ != NULL) {
         out << '=';
-        initialiser_->Output(out, CYPA, CYNoFlags);
-    }
+        initialiser_->Output(out, CYPA, CYRight(flags));
+    } else if ((flags & CYNoTrailer) != 0)
+        out << ' ';
 }
 
-// XXX: deal with NoIn
-void CYDeclarations::Part(std::ostream &out) const {
+void CYDeclarations::Part(std::ostream &out, CYFlags flags) const {
+    if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << "var ";
 
     const CYDeclarations *declaration(this);
   output:
-    out << *declaration->declaration_;
-    declaration = declaration->next_;
+    CYDeclarations *next(declaration->next_);
+    CYFlags right(next == NULL ? CYRight(flags) : CYCenter(flags));
+    declaration->declaration_->Output(out, right);
 
-    if (declaration != NULL) {
+    if (next != NULL) {
         out << ',';
+        declaration = next;
         goto output;
     }
 }
 
 void CYDeclarations::Output(std::ostream &out) const {
-    Part(out);
+    Part(out, CYNoFlags);
     out << ';';
 }
 
+void CYDirectMember::Output(std::ostream &out, CYFlags flags) const {
+    object_->Output(out, Precedence(), CYLeft(flags));
+    if (const char *word = property_->Word())
+        out << '.' << word;
+    else {
+        out << '[';
+        property_->Output(out, CYNoFlags);
+        out << ']';
+    }
+}
+
 void CYDoWhile::Output(std::ostream &out) const {
     // XXX: extra space character!
     out << "do ";
@@ -213,29 +305,22 @@ void CYEmpty::Output(std::ostream &out, bool block) const {
 }
 
 void CYExpress::Output(std::ostream &out) const {
-    expression_->Output(out, CYNoFunction | CYNoBrace);
+    expression_->Output(out, CYNoBF);
     out << ';';
 }
 
-void CYExpression::Part(std::ostream &out) const {
+void CYExpression::ClassName(std::ostream &out, bool object) const {
+    Output(out, CYPA, CYNoFlags);
+}
+
+void CYExpression::ForEachIn(std::ostream &out) const {
     // XXX: this should handle LeftHandSideExpression
-    Output(out, CYNoIn);
+    Output(out, CYPA, CYNoFlags);
 }
 
-void CYCompound::Output(std::ostream &out, CYFlags flags) const {
-    if (CYExpression *expression = expressions_)
-        if (CYExpression *next = expression->next_)
-            expression->Output(out, flags);
-        else {
-            expression->Output(out, CYLeft(flags));
-            CYFlags center(CYCenter(flags));
-            while (next != NULL) {
-                out << ',';
-                next = expression->next_;
-                CYFlags right(next != NULL ? center : CYRight(flags));
-                expression->Output(out, right);
-            }
-        }
+void CYExpression::Part(std::ostream &out, CYFlags flags) const {
+    // XXX: this should handle LeftHandSideExpression
+    Output(out, flags);
 }
 
 void CYExpression::Output(std::ostream &out, unsigned precedence, CYFlags flags) const {
@@ -254,7 +339,7 @@ void CYField::Output(std::ostream &out) const {
 void CYFor::Output(std::ostream &out) const {
     out << "for(";
     if (initialiser_ != NULL)
-        initialiser_->Part(out);
+        initialiser_->Part(out, CYNoFlags);
     out << ';';
     if (test_ != NULL)
         test_->Output(out, CYNoFlags);
@@ -265,17 +350,61 @@ void CYFor::Output(std::ostream &out) const {
     code_->Output(out, false);
 }
 
+void CYForEachIn::Output(std::ostream &out) const {
+    const char *name(initialiser_->ForEachIn());
+
+    if (name != NULL) {
+        out << '{';
+        out << "var " << name << ';';
+    }
+
+    out << "(function($cys,$cyt){";
+    out << "$cys=";
+    set_->Output(out, CYPA, CYNoFlags);
+    out << ";";
+
+    out << "for($cyt in $cys){";
+
+    initialiser_->ForEachIn(out);
+    out << "=$cys[$cyt];";
+
+    code_->Show(out);
+
+    out << "}}());";
+
+    if (name != NULL)
+        out << '}';
+}
+
+void CYForEachInComprehension::Begin_(std::ostream &out) const {
+    out << "(function($cys){";
+    out << "$cys=";
+    set_->Output(out, CYPA, CYNoFlags);
+    out << ";";
+
+    out << "for(" << *name_ << " in $cys){";
+    out << *name_ << "=$cys[" << *name_ << "];";
+}
+
+void CYForEachInComprehension::End_(std::ostream &out) const {
+    out << "}}());";
+}
+
 void CYForIn::Output(std::ostream &out) const {
     out << "for(";
-    initialiser_->Part(out);
-    // XXX: deal with this space character!
-    out << ' ';
+    initialiser_->Part(out, CYNoIn | CYNoTrailer);
     out << "in";
     set_->Output(out, CYNoLeader);
     out << ')';
     code_->Output(out, false);
 }
 
+void CYForInComprehension::Begin_(std::ostream &out) const {
+    out << "for(" << *name_ << " in";
+    set_->Output(out, CYNoLeader);
+    out << ')';
+}
+
 void CYFunction::Output(std::ostream &out) const {
     CYLambda::Output(out, CYNoFlags);
 }
@@ -299,9 +428,27 @@ void CYIf::Output(std::ostream &out) const {
     }
 }
 
+void CYIfComprehension::Begin_(std::ostream &out) const {
+    out << "if(";
+    test_->Output(out, CYNoFlags);
+    out << ')';
+}
+
 void CYIndirect::Output(std::ostream &out, CYFlags flags) const {
     rhs_->Output(out, 1, CYLeft(flags));
-    out << "[0]";
+    out << ".$cyi";
+}
+
+void CYIndirectMember::Output(std::ostream &out, CYFlags flags) const {
+    object_->Output(out, Precedence(), CYLeft(flags));
+    out << ".$cyi";
+    if (const char *word = property_->Word())
+        out << '.' << word;
+    else {
+        out << '[';
+        property_->Output(out, CYNoFlags);
+        out << ']';
+    }
 }
 
 void CYInfix::Output(std::ostream &out, CYFlags flags) const {
@@ -318,6 +465,8 @@ void CYInfix::Output(std::ostream &out, CYFlags flags) const {
     CYFlags right(protect ? CYNoFlags : CYRight(flags));
     if (alphabetic)
         right |= CYNoLeader;
+    if (strcmp(name, "-") == 0)
+        right |= CYNoHyphen;
     rhs_->Output(out, Precedence() - 1, right);
     if (protect)
         out << ')';
@@ -327,6 +476,8 @@ void CYLambda::Output(std::ostream &out, CYFlags flags) const {
     bool protect((flags & CYNoFunction) != 0);
     if (protect)
         out << '(';
+    else if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << "function";
     if (name_ != NULL)
         out << ' ' << *name_;
@@ -341,18 +492,9 @@ void CYLambda::Output(std::ostream &out, CYFlags flags) const {
         out << ')';
 }
 
-void CYMember::Output(std::ostream &out, CYFlags flags) const {
-    object_->Output(out, Precedence(), CYLeft(flags));
-    if (const char *word = property_->Word())
-        out << '.' << word;
-    else {
-        out << '[';
-        property_->Output(out, CYNoFlags);
-        out << ']';
-    }
-}
-
-void CYMessage::Output(std::ostream &out) const {
+void CYMessage::Output(std::ostream &out, bool replace) const {
+    if (next_ != NULL)
+        next_->Output(out, replace);
     out << "$cyn=new Selector(\"";
     for (CYMessageParameter *parameter(parameter_); parameter != NULL; parameter = parameter->next_)
         if (parameter->tag_ != NULL) {
@@ -361,25 +503,21 @@ void CYMessage::Output(std::ostream &out) const {
                 out << ':';
         }
     out << "\");";
-    out << "$cyt=$cyn.type($cys," << (instance_ ? "true" : "false") << ");";
-    out << "class_addMethod($cy" << (instance_ ? 'c' : 'm') << ",$cyn,";
-    out << "new Functor(function(";
-    bool comma(false);
+    out << "$cyt=$cyn.type($cy" << (instance_ ? 's' : 'p') << ");";
+    out << "class_" << (replace ? "replace" : "add") << "Method($cy" << (instance_ ? 'c' : 'm') << ",$cyn,";
+    out << "new Functor(function(self,_cmd";
     for (CYMessageParameter *parameter(parameter_); parameter != NULL; parameter = parameter->next_)
-        if (parameter->name_ != NULL) {
-            if (comma)
-                out << ',';
-            else
-                comma = true;
-            out << *parameter->name_;
-        }
-    out << "){";
+        if (parameter->name_ != NULL)
+            out << ',' << *parameter->name_;
+    out << "){return function(){";
     if (body_ != NULL)
         body_->Show(out);
-    out << "},$cyt),$cyt);";
+    out << "}.call(self);},$cyt),$cyt);";
 }
 
 void CYNew::Output(std::ostream &out, CYFlags flags) const {
+    if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << "new";
     constructor_->Output(out, Precedence(), CYCenter(flags) | CYNoLeader);
     out << '(';
@@ -397,14 +535,19 @@ void CYNull::Output(std::ostream &out, CYFlags flags) const {
 }
 
 void CYNumber::Output(std::ostream &out, CYFlags flags) const {
-    if ((flags & CYNoLeader) != 0)
+    double value(Value());
+    if ((flags & CYNoLeader) != 0 || value < 0 && (flags & CYNoHyphen) != 0)
         out << ' ';
-    // XXX: this is not a useful formatting
-    out << Value();
+    // XXX: decide on correct precision
+    out << std::setprecision(9) << value;
     if ((flags & CYNoTrailer) != 0)
         out << ' ';
 }
 
+void CYNumber::PropertyName(std::ostream &out) const {
+    Output(out);
+}
+
 void CYObject::Output(std::ostream &out, CYFlags flags) const {
     bool protect((flags & CYNoBrace) != 0);
     if (protect)
@@ -423,8 +566,11 @@ void CYPostfix::Output(std::ostream &out, CYFlags flags) const {
 }
 
 void CYPrefix::Output(std::ostream &out, CYFlags flags) const {
+    const char *name(Operator());
     bool alphabetic(Alphabetic());
-    out << Operator();
+    if (alphabetic && (flags & CYNoLeader) != 0 || name[0] == '-' && (flags & CYNoHyphen) != 0)
+        out << ' ';
+    out << name;
     CYFlags right(CYRight(flags));
     if (alphabetic)
         right |= CYNoLeader;
@@ -432,7 +578,8 @@ void CYPrefix::Output(std::ostream &out, CYFlags flags) const {
 }
 
 void CYProperty::Output(std::ostream &out) const {
-    out << *name_ << ':';
+    name_->PropertyName(out);
+    out << ':';
     value_->Output(out, CYPA, CYNoFlags);
     if (next_ != NULL) {
         out << ',';
@@ -448,6 +595,8 @@ void CYReturn::Output(std::ostream &out) const {
 }
 
 void CYSelector::Output(std::ostream &out, CYFlags flags) const {
+    if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << "new Selector(\"";
     if (name_ != NULL)
         name_->Output(out);
@@ -464,16 +613,19 @@ void CYSelectorPart::Output(std::ostream &out) const {
 }
 
 void CYSend::Output(std::ostream &out, CYFlags flags) const {
+    if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << "objc_msgSend(";
     self_->Output(out, CYPA, CYNoFlags);
-    out << ",\"";
+    out << ",";
+    std::ostringstream name;
     for (CYArgument *argument(arguments_); argument != NULL; argument = argument->next_)
         if (argument->name_ != NULL) {
-            out << *argument->name_;
+            name << *argument->name_;
             if (argument->value_ != NULL)
-                out << ':';
+                name << ':';
         }
-    out << "\"";
+    out << reinterpret_cast<void *>(sel_registerName(name.str().c_str()));
     for (CYArgument *argument(arguments_); argument != NULL; argument = argument->next_)
         if (argument->value_ != NULL) {
             out << ",";
@@ -484,11 +636,11 @@ void CYSend::Output(std::ostream &out, CYFlags flags) const {
 
 void CYSource::Show(std::ostream &out) const {
     for (const CYSource *next(this); next != NULL; next = next->next_)
-        next->Output(out);
+        next->Output_(out);
 }
 
 void CYSource::Output(std::ostream &out, bool block) const {
-    if (!block && next_ == NULL)
+    if (!block && !IsBlock())
         Output(out);
     else {
         out << '{';
@@ -497,11 +649,29 @@ void CYSource::Output(std::ostream &out, bool block) const {
     }
 }
 
+void CYSource::Output_(std::ostream &out) const {
+    Output(out);
+}
+
+void CYStatement::Output_(std::ostream &out) const {
+    for (CYLabel *label(labels_); label != NULL; label = label->next_)
+        out << *label->name_ << ':';
+    Output(out);
+}
+
 void CYString::Output(std::ostream &out, CYFlags flags) const {
-    out << '\"';
+    unsigned quot(0), apos(0);
+    for (const char *value(value_), *end(value_ + size_); value != end; ++value)
+        if (*value == '"')
+            ++quot;
+        else if (*value == '\'')
+            ++apos;
+
+    bool single(quot > apos);
+
+    out << (single ? '\'' : '"');
     for (const char *value(value_), *end(value_ + size_); value != end; ++value)
         switch (*value) {
-            case '"': out << "\\\""; break;
             case '\\': out << "\\\\"; break;
             case '\b': out << "\\b"; break;
             case '\f': out << "\\f"; break;
@@ -510,13 +680,32 @@ void CYString::Output(std::ostream &out, CYFlags flags) const {
             case '\t': out << "\\t"; break;
             case '\v': out << "\\v"; break;
 
+            case '"':
+                if (!single)
+                    out << "\\\"";
+                else goto simple;
+            break;
+
+            case '\'':
+                if (single)
+                    out << "\\'";
+                else goto simple;
+            break;
+
             default:
                 if (*value < 0x20 || *value >= 0x7f)
                     out << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value);
-                else
+                else simple:
                     out << *value;
         }
-    out << '\"';
+    out << (single ? '\'' : '"');
+}
+
+void CYString::PropertyName(std::ostream &out) const {
+    if (const char *word = Word())
+        out << word;
+    else
+        Output(out);
 }
 
 void CYSwitch::Output(std::ostream &out) const {
@@ -547,7 +736,7 @@ void CYTry::Output(std::ostream &out) const {
     out << "try";
     try_->Output(out, true);
     if (catch_ != NULL)
-        out << catch_;
+        catch_->Output(out);
     if (finally_ != NULL) {
         out << "finally";
         finally_->Output(out, true);
@@ -555,12 +744,11 @@ void CYTry::Output(std::ostream &out) const {
 }
 
 void CYVariable::Output(std::ostream &out, CYFlags flags) const {
-    bool protect((flags & CYNoLeader) != 0);
-    if (protect)
-        out << '(';
+    if ((flags & CYNoLeader) != 0)
+        out << ' ';
     out << *name_;
-    if (protect)
-        out << ')';
+    if ((flags & CYNoTrailer) != 0)
+        out << ' ';
 }
 
 void CYWhile::Output(std::ostream &out) const {
@@ -577,6 +765,18 @@ void CYWith::Output(std::ostream &out) const {
     code_->Output(out, false);
 }
 
+void CYWord::ClassName(std::ostream &out, bool object) const {
+    if (object)
+        out << "objc_getClass(";
+    out << '"' << Value() << '"';
+    if (object)
+        out << ')';
+}
+
 void CYWord::Output(std::ostream &out) const {
     out << Value();
 }
+
+void CYWord::PropertyName(std::ostream &out) const {
+    Output(out);
+}