+/* Cycript - Remove Execution Server and Disassembler
+ * Copyright (C) 2009 Jay Freeman (saurik)
+*/
+
+/* Modified BSD License {{{ */
+/*
+ * Redistribution and use in source and binary
+ * forms, with or without modification, are permitted
+ * provided that the following conditions are met:
+ *
+ * 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.
+ *
+ * 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.
+*/
+/* }}} */
+
+#include "cycript.hpp"
#include "Parser.hpp"
-#include <iostream>
-#include <iomanip>
+#include <sstream>
-#define CYPA 16
+_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;
+}
-void CYAddressOf::Output(std::ostream &out) const {
- rhs_->Output(out, 1);
- out << ".$()";
+_finline CYFlags CYRight(CYFlags flags) {
+ return flags & ~CYNoBF;
}
-void CYArgument::Output(std::ostream &out) const {
+_finline CYFlags CYCenter(CYFlags flags) {
+ return CYLeft(CYRight(flags));
+}
+
+void CYOutput::Terminate() {
+ out_ << ';';
+ mode_ = NoMode;
+}
+
+CYOutput &CYOutput::operator <<(char rhs) {
+ if (rhs == ' ' || rhs == '\n')
+ if (pretty_)
+ out_ << rhs;
+ else goto done;
+ else if (rhs == '\t')
+ if (pretty_)
+ for (unsigned i(0); i != indent_; ++i)
+ out_ << " ";
+ else goto done;
+ else goto work;
+
+ mode_ = NoMode;
+ goto done;
+
+ work:
+ if (mode_ == Terminated && rhs != '}')
+ out_ << ';';
+
+ if (rhs == ';') {
+ if (pretty_)
+ goto none;
+ else {
+ mode_ = Terminated;
+ goto done;
+ }
+ } else if (rhs == '+') {
+ if (mode_ == NoPlus)
+ out_ << ' ';
+ mode_ = NoPlus;
+ } else if (rhs == '-') {
+ if (mode_ == NoHyphen)
+ out_ << ' ';
+ mode_ = NoHyphen;
+ } else if (WordEndRange_[rhs]) {
+ if (mode_ == NoLetter)
+ out_ << ' ';
+ mode_ = NoLetter;
+ } else none:
+ mode_ = NoMode;
+
+ out_ << rhs;
+ done:
+ return *this;
+}
+
+CYOutput &CYOutput::operator <<(const char *rhs) {
+ size_t size(strlen(rhs));
+
+ if (size == 1)
+ return *this << *rhs;
+
+ if (mode_ == Terminated)
+ out_ << ';';
+ else if (
+ mode_ == NoPlus && *rhs == '+' ||
+ mode_ == NoHyphen && *rhs == '-' ||
+ mode_ == NoLetter && WordEndRange_[*rhs]
+ )
+ out_ << ' ';
+
+ if (WordEndRange_[rhs[size - 1]])
+ mode_ = NoLetter;
+ else
+ mode_ = NoMode;
+
+ out_ << rhs;
+ return *this;
+}
+
+void CYArgument::Output(CYOutput &out) const {
if (name_ != NULL) {
out << *name_;
if (value_ != NULL)
- out << ":";
+ out << ':' << ' ';
}
if (value_ != NULL)
- value_->Output(out, false);
+ value_->Output(out, CYPA, CYNoFlags);
if (next_ != NULL) {
if (next_->name_ == NULL)
out << ',';
- else
- out << ' ';
- next_->Output(out);
+ out << ' ' << *next_;
}
}
-void CYArray::Output(std::ostream &out) const {
- out << '[';
- if (elements_ != NULL)
- elements_->Output(out);
- out << ']';
+void CYArray::Output(CYOutput &out, CYFlags flags) const {
+ out << '[' << elements_ << ']';
}
-void CYAssignment::Output(std::ostream &out) const {
- lhs_->Output(out, Precedence() - 1);
- out << Operator();
- rhs_->Output(out, Precedence());
+void CYArrayComprehension::Output(CYOutput &out, CYFlags flags) const {
+ out << '[' << *expression_ << ' ' << *comprehensions_ << ']';
+}
+
+void CYAssignment::Output(CYOutput &out, CYFlags flags) const {
+ lhs_->Output(out, Precedence() - 1, CYLeft(flags) | CYNoRightHand);
+ out << ' ' << Operator() << ' ';
+ rhs_->Output(out, Precedence(), CYRight(flags));
+}
+
+void CYBlock::Output(CYOutput &out) const {
+ out << '{' << '\n';
+ ++out.indent_;
+ if (statements_ != NULL)
+ statements_->Multiple(out);
+ --out.indent_;
+ out << '\t' << '}';
+}
+
+void CYBlock::Output(CYOutput &out, CYFlags flags) const {
+ if (statements_ == NULL)
+ out.Terminate();
+ else if (statements_->next_ == NULL)
+ statements_->Single(out, flags);
+ else
+ Output(out);
}
-void CYBoolean::Output(std::ostream &out) const {
+void CYBoolean::Output(CYOutput &out, CYFlags flags) const {
out << (Value() ? "true" : "false");
}
-void CYBreak::Output(std::ostream &out) const {
+void CYBreak::Output(CYOutput &out, CYFlags flags) const {
out << "break";
if (label_ != NULL)
out << ' ' << *label_;
out << ';';
}
-void CYCall::Output(std::ostream &out) const {
- function_->Output(out, 2);
- out << '(';
- if (arguments_ != NULL)
- arguments_->Output(out);
- out << ')';
+void CYCall::Output(CYOutput &out, CYFlags flags) const {
+ bool protect((flags & CYNoCall) != 0);
+ if (protect)
+ out << '(';
+ function_->Output(out, Precedence(), protect ? CYNoFlags : flags);
+ out << '(' << arguments_ << ')';
+ if (protect)
+ out << ')';
}
-void CYCatch::Output(std::ostream &out) const {
- out << "catch(" << *name_ << ')';
- code_->Output(out, true);
+namespace cy {
+namespace Syntax {
+
+void Catch::Output(CYOutput &out) const {
+ out << ' ' << "catch" << ' ' << '(' << *name_ << ')' << ' ' << code_;
}
-void CYCondition::Output(std::ostream &out) const {
- test_->Output(out, Precedence() - 1);
- out << '?';
+} }
+
+void CYCompound::Output(CYOutput &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 CYCondition::Output(CYOutput &out, CYFlags flags) const {
+ test_->Output(out, Precedence() - 1, CYLeft(flags));
+ out << ' ' << '?' << ' ';
if (true_ != NULL)
- true_->Output(out, CYPA);
- out << ':';
- false_->Output(out, CYPA);
+ true_->Output(out, CYPA, CYNoFlags);
+ out << ' ' << ':' << ' ';
+ false_->Output(out, CYPA, CYRight(flags));
}
-void CYContinue::Output(std::ostream &out) const {
+void CYContinue::Output(CYOutput &out, CYFlags flags) const {
out << "continue";
if (label_ != NULL)
out << ' ' << *label_;
out << ';';
}
-void CYClause::Output(std::ostream &out) const {
- if (case_ != NULL) {
- out << "case";
- case_->Output(out);
- } else
+void CYClause::Output(CYOutput &out) const {
+ if (case_ != NULL)
+ out << "case" << ' ' << *case_;
+ else
out << "default";
- out << ':';
- if (code_ != NULL)
- code_->Output(out, false);
- out << *next_;
+ out << ':' << '\n';
+ if (statements_ != NULL)
+ statements_->Multiple(out);
+ out << next_;
}
-void CYDeclaration::Part(std::ostream &out) const {
- out << "var ";
- Output(out);
+const char *CYDeclaration::ForEachIn() const {
+ return identifier_->Value();
}
-void CYDeclaration::Output(std::ostream &out) const {
+void CYDeclaration::ForIn(CYOutput &out, CYFlags flags) const {
+ out << "var";
+ Output(out, CYRight(flags));
+}
+
+void CYDeclaration::Output(CYOutput &out, CYFlags flags) const {
out << *identifier_;
if (initialiser_ != NULL) {
- out << '=';
- initialiser_->Output(out, CYPA);
+ out << ' ' << '=' << ' ';
+ initialiser_->Output(out, CYPA, CYRight(flags));
}
}
-void CYDeclarations::Part(std::ostream &out) const {
- out << "var ";
+void CYDeclarations::For(CYOutput &out) const {
+ out << "var";
+ Output(out, CYNoIn);
+}
+void CYDeclarations::Output(CYOutput &out) const {
+ Output(out, CYNoFlags);
+}
+
+void CYDeclarations::Output(CYOutput &out, CYFlags flags) const {
const CYDeclarations *declaration(this);
+ bool first(true);
output:
- out << *declaration->declaration_;
- declaration = declaration->next_;
-
- if (declaration != NULL) {
- out << ',';
+ 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) {
+ out << ',' << ' ';
+ declaration = next;
goto output;
}
}
-void CYDeclarations::Output(std::ostream &out) const {
- Part(out);
- out << ';';
+void CYDirectMember::Output(CYOutput &out, CYFlags flags) const {
+ object_->Output(out, Precedence(), CYLeft(flags));
+ if (const char *word = property_->Word())
+ out << '.' << word;
+ else
+ out << '[' << *property_ << ']';
}
-void CYDoWhile::Output(std::ostream &out) const {
- out << "do ";
- code_->Output(out, false);
- out << "while(";
- test_->Output(out);
- out << ';';
+void CYDoWhile::Output(CYOutput &out, CYFlags flags) const {
+ out << "do";
+ code_->Single(out, CYCenter(flags));
+ out << "while" << ' ' << '(' << *test_ << ')';
}
-void CYElement::Output(std::ostream &out) const {
+void CYElement::Output(CYOutput &out) const {
if (value_ != NULL)
- value_->Output(out, CYPA);
- if (next_ != NULL || value_ == NULL)
+ value_->Output(out, CYPA, CYNoFlags);
+ if (next_ != NULL || value_ == NULL) {
out << ',';
+ if (next_ != NULL && next_->value_ != NULL)
+ out << ' ';
+ }
if (next_ != NULL)
next_->Output(out);
}
-void CYEmpty::Output(std::ostream &out) const {
+void CYEmpty::Output(CYOutput &out, CYFlags flags) const {
+ out.Terminate();
+}
+
+void CYExpress::Output(CYOutput &out, CYFlags flags) const {
+ expression_->Output(out, flags | CYNoBF);
out << ';';
}
-void CYEmpty::Output(std::ostream &out, bool block) const {
- if (next_ != NULL)
- CYSource::Output(out, block);
+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);
+}
+
+void CYExpression::ForIn(CYOutput &out, CYFlags flags) const {
+ Output(out, flags | CYNoRightHand);
+}
+
+void CYExpression::Output(CYOutput &out) const {
+ Output(out, CYNoFlags);
+}
+
+void CYExpression::Output(CYOutput &out, unsigned precedence, CYFlags flags) const {
+ if (precedence < Precedence() || (flags & CYNoRightHand) != 0 && RightHand())
+ out << '(' << *this << ')';
else
- out << "{}";
+ Output(out, flags);
}
-void CYExpress::Output(std::ostream &out) const {
- expression_->Output(out);
- out << ';';
+void CYFinally::Output(CYOutput &out) const {
+ out << ' ' << "finally" << ' ' << code_;
}
-void CYExpression::Part(std::ostream &out) const {
- // XXX: this should notice "in" expressions
- // XXX: this should handle LeftHandSideExpression
- Output(out);
+void CYFor::Output(CYOutput &out, CYFlags flags) const {
+ out << "for" << ' ' << '(';
+ if (initialiser_ != NULL)
+ initialiser_->For(out);
+ out.Terminate();
+ out << test_;
+ out.Terminate();
+ out << increment_;
+ out << ')';
+ code_->Single(out, CYRight(flags));
}
-void CYCompound::Output(std::ostream &out) const {
- if (CYExpression *expression = expressions_)
- for (;;) {
- expression->Output(out);
- expression = expression->next_;
- if (expression == NULL)
- break;
- out << ',';
- }
+void CYForEachIn::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 {
+ out << "for" << ' ' << "each" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')' << next_;
+}
+
+void CYForIn::Output(CYOutput &out, CYFlags flags) const {
+ out << "for" << ' ' << '(';
+ initialiser_->ForIn(out, CYNoIn);
+ out << "in" << *set_ << ')';
+ code_->Single(out, CYRight(flags));
+}
+
+void CYForInComprehension::Output(CYOutput &out) const {
+ out << "for" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')';
}
-void CYExpression::Output(std::ostream &out, unsigned precedence) const {
- bool protect(precedence < Precedence());
+void CYFunction::Output(CYOutput &out, CYFlags flags) const {
+ // XXX: one could imagine using + here to save a byte
+ bool protect((flags & CYNoFunction) != 0);
if (protect)
out << '(';
- Output(out);
+ out << "function";
+ if (name_ != NULL)
+ out << ' ' << *name_;
+ out << '(' << parameters_ << ')';
+ out << ' ' << code_;
if (protect)
out << ')';
}
-void CYFor::Output(std::ostream &out) const {
- out << "for(";
- if (initialiser_ != NULL)
- initialiser_->Part(out);
- out << ';';
- if (test_ != NULL)
- test_->Output(out);
- out << ';';
- if (increment_ != NULL)
- increment_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYFunctionExpression::Output(CYOutput &out, CYFlags flags) const {
+ CYFunction::Output(out, flags);
}
-void CYForIn::Output(std::ostream &out) const {
- out << "for(";
- initialiser_->Part(out);
- out << " in ";
- set_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYFunctionStatement::Output(CYOutput &out, CYFlags flags) const {
+ CYFunction::Output(out, flags);
}
-void CYFunction::Output(std::ostream &out) const {
- CYLambda::Output(out);
+void CYFunctionParameter::Output(CYOutput &out) const {
+ out << *name_;
+ if (next_ != NULL)
+ out << ',' << ' ' << *next_;
}
-void CYIf::Output(std::ostream &out) const {
- out << "if(";
- test_->Output(out);
- out << ')';
- true_->Output(out, true);
+void CYIf::Output(CYOutput &out, CYFlags flags) const {
+ bool protect(false);
+ if (false_ == NULL && (flags & CYNoDangle) != 0) {
+ protect = true;
+ out << '{';
+ }
+
+ out << "if" << ' ' << '(' << *test_ << ')';
+
+ CYFlags right(protect ? CYNoFlags : CYRight(flags));
+
+ CYFlags jacks(CYNoDangle);
+ if (false_ == NULL)
+ jacks |= right;
+ else
+ jacks |= protect ? CYNoFlags : CYCenter(flags);
+
+ true_->Single(out, jacks);
+
if (false_ != NULL) {
- out << "else ";
- false_->Output(out, false);
+ out << "else";
+ false_->Single(out, right);
}
+
+ if (protect)
+ out << '}';
}
-void CYIndirect::Output(std::ostream &out) const {
- rhs_->Output(out, 1);
- out << "[0]";
+void CYIfComprehension::Output(CYOutput &out) const {
+ out << "if" << ' ' << '(' << *test_ << ')' << next_;
}
-void CYInfix::Output(std::ostream &out) const {
- lhs_->Output(out, Precedence());
- out << Operator();
- rhs_->Output(out, Precedence() - 1);
+void CYIndirectMember::Output(CYOutput &out, CYFlags flags) const {
+ object_->Output(out, Precedence(), CYLeft(flags));
+ if (const char *word = property_->Word())
+ out << "->" << word;
+ else
+ out << "->" << '[' << *property_ << ']';
}
-void CYLambda::Output(std::ostream &out) const {
- out << "function";
- if (name_ != NULL)
- out << ' ' << *name_;
- out << '(';
- if (parameters_ != NULL)
- out << *parameters_;
- out << ')';
- body_->Output(out, true);
+void CYInfix::Output(CYOutput &out, CYFlags flags) const {
+ const char *name(Operator());
+ bool protect((flags & CYNoIn) != 0 && strcmp(name, "in") == 0);
+ if (protect)
+ out << '(';
+ CYFlags left(protect ? CYNoFlags : CYLeft(flags));
+ lhs_->Output(out, Precedence(), left);
+ out << ' ' << name << ' ';
+ CYFlags right(protect ? CYNoFlags : CYRight(flags));
+ rhs_->Output(out, Precedence() - 1, right);
+ if (protect)
+ out << ')';
}
-void CYMember::Output(std::ostream &out) const {
- object_->Output(out, Precedence());
- out << '[';
- property_->Output(out);
- out << ']';
+void CYLabel::Output(CYOutput &out, CYFlags flags) const {
+ out << *name_ << ':' << ' ';
+ statement_->Single(out, CYRight(flags));
}
-void CYMessage::Output(std::ostream &out) const {
- out << "objc_msgSend(";
- self_->Output(out, CYPA);
- out << ",\"";
- for (CYArgument *argument(arguments_); argument != NULL; argument = argument->next_)
- if (argument->name_ != NULL) {
- out << *argument->name_;
- if (argument->value_ != NULL)
- out << ':';
- }
- out << "\"";
- for (CYArgument *argument(arguments_); argument != NULL; argument = argument->next_)
- if (argument->value_ != NULL) {
- out << ",";
- argument->value_->Output(out, CYPA);
- }
- out << ')';
+void CYLet::Output(CYOutput &out, CYFlags flags) const {
+ out << "let" << ' ' << '(' << *declarations_ << ')' << ' ' << code_;
}
-void CYNew::Output(std::ostream &out) const {
- out << "new";
- // XXX: I don't /always/ need this character
- out << ' ';
- constructor_->Output(out, Precedence());
- out << '(';
+void CYNew::Output(CYOutput &out, CYFlags flags) const {
+ out << "new" << ' ';
+ CYFlags jacks(CYNoCall | CYCenter(flags));
+ constructor_->Output(out, Precedence(), jacks);
if (arguments_ != NULL)
- arguments_->Output(out);
- out << ')';
+ out << '(' << *arguments_ << ')';
}
-void CYNull::Output(std::ostream &out) const {
+void CYNull::Output(CYOutput &out, CYFlags flags) const {
CYWord::Output(out);
}
-void CYNumber::Output(std::ostream &out) const {
- // XXX: this is not a useful formatting
- out << Value();
+void CYNumber::Output(CYOutput &out, CYFlags flags) const {
+ std::ostringstream str;
+ CYNumerify(str, Value());
+ out << str.str().c_str();
}
-void CYObject::Output(std::ostream &out) const {
- out << '{';
- if (property_ != NULL)
- property_->Output(out);
- out << '}';
+void CYNumber::PropertyName(CYOutput &out) const {
+ Output(out, CYNoFlags);
}
-void CYParameter::Output(std::ostream &out) const {
- out << *name_;
- if (next_ != NULL) {
- out << ',';
- out << *next_;
- }
+void CYObject::Output(CYOutput &out, CYFlags flags) const {
+ bool protect((flags & CYNoBrace) != 0);
+ if (protect)
+ out << '(';
+ out << '{' << '\n';
+ ++out.indent_;
+ out << properties_;
+ --out.indent_;
+ out << '\t' << '}';
+ if (protect)
+ out << ')';
}
-void CYPostfix::Output(std::ostream &out) const {
- lhs_->Output(out, Precedence());
+void CYPostfix::Output(CYOutput &out, CYFlags flags) const {
+ lhs_->Output(out, Precedence(), CYLeft(flags));
out << Operator();
}
-void CYPrefix::Output(std::ostream &out) const {
- out << Operator();
- rhs_->Output(out, Precedence());
+void CYPrefix::Output(CYOutput &out, CYFlags flags) const {
+ const char *name(Operator());
+ out << name;
+ if (Alphabetic())
+ out << ' ';
+ rhs_->Output(out, Precedence(), CYRight(flags));
}
-void CYProperty::Output(std::ostream &out) const {
- out << *name_ << ':';
- value_->Output(out, CYPA);
- if (next_ != NULL) {
- out << ',';
- next_->Output(out);
- }
+void CYProgram::Output(CYOutput &out) const {
+ if (statements_ != NULL)
+ statements_->Multiple(out);
+}
+
+void CYProperty::Output(CYOutput &out) const {
+ out << '\t';
+ name_->PropertyName(out);
+ out << ':' << ' ';
+ value_->Output(out, CYPA, CYNoFlags);
+ if (next_ != NULL)
+ out << ',' << '\n' << *next_;
+ else
+ out << '\n';
+}
+
+void CYRegEx::Output(CYOutput &out, CYFlags flags) const {
+ out << Value();
}
-void CYReturn::Output(std::ostream &out) const {
+void CYReturn::Output(CYOutput &out, CYFlags flags) const {
out << "return";
- if (value_ != NULL) {
- out << ' ';
- value_->Output(out);
- }
+ if (value_ != NULL)
+ out << ' ' << *value_;
out << ';';
}
-void CYSelector::Output(std::ostream &out) const {
- out << '"';
- if (name_ != NULL)
- name_->Output(out);
- out << '"';
+void CYStatement::Multiple(CYOutput &out, CYFlags flags) const {
+ bool first(true);
+ for (const CYStatement *next(this); next != NULL; next = next->next_) {
+ bool last(next->next_ == NULL);
+ CYFlags jacks(first ? last ? flags : CYLeft(flags) : last ? CYCenter(flags) : CYRight(flags));
+ first = false;
+ out << '\t';
+ next->Output(out, jacks);
+ out << '\n';
+ }
}
-void CYSelectorPart::Output(std::ostream &out) const {
- if (name_ != NULL)
- out << *name_;
- if (value_)
- out << ':';
- if (next_ != NULL)
- next_->Output(out);
+void CYStatement::Single(CYOutput &out, CYFlags flags) const {
+ _assert(next_ == NULL);
+ out << '\n';
+ ++out.indent_;
+ out << '\t';
+ Output(out, flags);
+ out << '\n';
+ --out.indent_;
}
-void CYSource::Show(std::ostream &out) const {
- for (const CYSource *next(this); next != NULL; next = next->next_)
- next->Output(out, false);
+void CYString::Output(CYOutput &out, CYFlags flags) const {
+ std::ostringstream str;
+ CYStringify(str, value_, size_);
+ out << str.str().c_str();
}
-void CYSource::Output(std::ostream &out, bool block) const {
- if (!block && next_ == NULL)
- Output(out);
- else {
- out << '{';
- Show(out);
- out << '}';
- }
+void CYString::PropertyName(CYOutput &out) const {
+ if (const char *word = Word())
+ out << word;
+ else
+ out << *this;
}
-void CYString::Output(std::ostream &out) const {
- out << '\"';
- 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;
- case '\n': out << "\\n"; break;
- case '\r': out << "\\r"; break;
- case '\t': out << "\\t"; break;
- case '\v': out << "\\v"; break;
-
- default:
- if (*value < 0x20 || *value >= 0x7f)
- out << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value);
- else
- out << *value;
- }
- out << '\"';
+static const char *Reserved_[] = {
+ "false", "null", "true",
+
+ "break", "case", "catch", "continue", "default",
+ "delete", "do", "else", "finally", "for", "function",
+ "if", "in", "instanceof", "new", "return", "switch",
+ "this", "throw", "try", "typeof", "var", "void",
+ "while", "with",
+
+ "debugger", "const",
+
+ "class", "enum", "export", "extends", "import", "super",
+
+ "abstract", "boolean", "byte", "char", "double", "final",
+ "float", "goto", "int", "long", "native", "short",
+ "synchronized", "throws", "transient", "volatile",
+
+ "let", "yield",
+
+ "each",
+
+ NULL
+};
+
+const char *CYString::Word() const {
+ if (size_ == 0 || !WordStartRange_[value_[0]])
+ return NULL;
+ for (size_t i(1); i != size_; ++i)
+ if (!WordEndRange_[value_[i]])
+ return NULL;
+ const char *value(Value());
+ for (const char **reserved(Reserved_); *reserved != NULL; ++reserved)
+ if (strcmp(*reserved, value) == 0)
+ return NULL;
+ return value;
}
-void CYSwitch::Output(std::ostream &out) const {
- out << "switch(";
- value_->Output(out);
- out << "){";
- if (clauses_ != NULL)
- out << *clauses_;
+void CYSwitch::Output(CYOutput &out, CYFlags flags) const {
+ out << "switch" << ' ' << '(' << *value_ << ')' << ' ' << '{';
+ out << clauses_;
out << '}';
}
-void CYThis::Output(std::ostream &out) const {
+void CYThis::Output(CYOutput &out, CYFlags flags) const {
CYWord::Output(out);
}
-void CYThrow::Output(std::ostream &out) const {
+namespace cy {
+namespace Syntax {
+
+void Throw::Output(CYOutput &out, CYFlags flags) const {
out << "throw";
- if (value_ != NULL) {
- out << ' ';
- value_->Output(out);
- }
+ if (value_ != NULL)
+ out << ' ' << *value_;
out << ';';
}
-void CYTry::Output(std::ostream &out) const {
- out << "try";
- try_->Output(out, true);
- if (catch_ != NULL)
- out << catch_;
- if (finally_ != NULL) {
- out << "finally";
- finally_->Output(out, true);
- }
+void Try::Output(CYOutput &out, CYFlags flags) const {
+ out << "try" << ' ' << code_ << catch_ << finally_;
+}
+
+} }
+
+void CYVar::Output(CYOutput &out, CYFlags flags) const {
+ out << "var";
+ declarations_->Output(out, flags);
+ out << ';';
}
-void CYVariable::Output(std::ostream &out) const {
+void CYVariable::Output(CYOutput &out, CYFlags flags) const {
out << *name_;
}
-void CYWhile::Output(std::ostream &out) const {
- out << "while(";
- test_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYWhile::Output(CYOutput &out, CYFlags flags) const {
+ out << "while" << '(' << *test_ << ')';
+ code_->Single(out, CYRight(flags));
}
-void CYWith::Output(std::ostream &out) const {
- out << "with(";
- scope_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYWith::Output(CYOutput &out, CYFlags flags) const {
+ out << "with" << '(' << *scope_ << ')';
+ code_->Single(out, CYRight(flags));
}
-void CYWord::Output(std::ostream &out) const {
+void CYWord::ClassName(CYOutput &out, bool object) const {
+ if (object)
+ out << "objc_getClass(";
+ out << '"' << Value() << '"';
+ if (object)
+ out << ')';
+}
+
+void CYWord::Output(CYOutput &out) const {
out << Value();
}
+
+void CYWord::PropertyName(CYOutput &out) const {
+ Output(out);
+}
projects / cycript.git / blobdiff