Parse bison output to prevent LexSetRegExp mistakes.

[cycript.git] / Output.cpp

diff --git a/Output.cpp b/Output.cpp
index 6e70b6b94c68d25adb6a205392243a6524d03235..1feff42c04be13300a3dc680842a94438b07f01a 100644 (file)
--- a/Output.cpp
+++ b/Output.cpp
@@ -1,5 +1,5 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2010  Jay Freeman (saurik)
+ * Copyright (C) 2009-2012  Jay Freeman (saurik)
 */
 
 /* GNU Lesser General Public License, Version 3 {{{ */
@@ -24,34 +24,6 @@
 
 #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;
@@ -264,8 +236,8 @@ void CYClause::Output(CYOutput &out) const {
     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 {
@@ -282,9 +254,9 @@ void CYDeclaration::Output(CYOutput &out, CYFlags flags) const {
     }
 }
 
-void CYDeclarations::For(CYOutput &out) const {
+void CYForDeclarations::Output(CYOutput &out, CYFlags flags) const {
     out << "var";
-    Output(out, CYNoIn);
+    Output(out, CYRight(flags));
 }
 
 void CYDeclarations::Output(CYOutput &out) const {
@@ -294,16 +266,19 @@ void CYDeclarations::Output(CYOutput &out) const {
 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;
-        goto output;
     }
 }
 
@@ -346,14 +321,6 @@ void CYExpression::ClassName(CYOutput &out, bool object) const {
     Output(out, CYAssign::Precedence_, CYNoFlags);
 }
 
-const char *CYExpression::ForEachIn() const {
-    return NULL;
-}
-
-void CYExpression::For(CYOutput &out) const {
-    Output(out, CYNoIn);
-}
-
 void CYExpression::ForIn(CYOutput &out, CYFlags flags) const {
     Output(out, flags | CYNoRightHand);
 }
@@ -369,6 +336,10 @@ void CYExpression::Output(CYOutput &out, unsigned precedence, CYFlags flags) con
         Output(out, flags);
 }
 
+void CYFatArrow::Output(CYOutput &out, CYFlags flags) const {
+    out << '(' << parameters_ << ')' << ' ' << "=>" << ' ' << code_;
+}
+
 void CYFinally::Output(CYOutput &out) const {
     out << ' ' << "finally" << ' ' << code_;
 }
@@ -376,23 +347,27 @@ void CYFinally::Output(CYOutput &out) const {
 void CYFor::Output(CYOutput &out, CYFlags flags) const {
     out << "for" << ' ' << '(';
     if (initialiser_ != NULL)
-        initialiser_->For(out);
+        initialiser_->Output(out, CYNoIn);
     out.Terminate();
+    if (test_ != NULL)
+        out << ' ';
     out << test_;
     out.Terminate();
+    if (increment_ != NULL)
+        out << ' ';
     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));
 }
 
-void CYForEachInComprehension::Output(CYOutput &out) const {
+void CYForOfComprehension::Output(CYOutput &out) const {
     out << "for" << ' ' << "each" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')' << next_;
 }
 
@@ -431,7 +406,7 @@ void CYFunctionStatement::Output(CYOutput &out, CYFlags flags) const {
 }
 
 void CYFunctionParameter::Output(CYOutput &out) const {
-    out << *name_;
+    initialiser_->Output(out, CYNoFlags);
     if (next_ != NULL)
         out << ',' << ' ' << *next_;
 }
@@ -460,7 +435,7 @@ void CYIf::Output(CYOutput &out, CYFlags flags) const {
     true_->Single(out, jacks);
 
     if (false_ != NULL) {
-        out << "else";
+        out << '\t' << "else";
         false_->Single(out, right);
     }
 
@@ -499,8 +474,9 @@ void CYLabel::Output(CYOutput &out, CYFlags flags) const {
     statement_->Single(out, CYRight(flags));
 }
 
-void CYLet::Output(CYOutput &out, CYFlags flags) const {
-    out << "let" << ' ' << '(' << *declarations_ << ')' << ' ' << code_;
+void CYLetStatement::Output(CYOutput &out, CYFlags flags) const {
+    out << "let" << ' ' << '(' << *declarations_ << ')';
+    code_->Single(out, CYRight(flags));
 }
 
 namespace cy {
@@ -547,13 +523,6 @@ void CYObject::Output(CYOutput &out, CYFlags flags) const {
         out << ')';
 }
 
-void CYOptionalFunctionParameter::Output(CYOutput &out) const {
-    out << *name_ << '=';
-    initializer_->Output(out, CYAssign::Precedence_, CYNoFlags);
-    if (next_ != NULL)
-        out << ',' << ' ' << *next_;
-}
-
 void CYPostfix::Output(CYOutput &out, CYFlags flags) const {
     lhs_->Output(out, Precedence(), CYLeft(flags));
     out << Operator();
@@ -607,7 +576,7 @@ void CYRubyProc::Output(CYOutput &out, CYFlags flags) const {
 
 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);
         CYFlags jacks(first ? last ? flags : CYLeft(flags) : last ? CYRight(flags) : CYCenter(flags));
         first = false;
@@ -618,6 +587,9 @@ void CYStatement::Multiple(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_;