X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/029bc65b46de676c6733fff684000c7363eda512..1e8d80477a3e058a30c477955f1e0c56deb6e956:/Output.cpp diff --git a/Output.cpp b/Output.cpp index 27ea3fc..50cc836 100644 --- a/Output.cpp +++ b/Output.cpp @@ -1,107 +1,223 @@ -/* Cycript - Inlining/Optimizing JavaScript Compiler - * Copyright (C) 2009 Jay Freeman (saurik) +/* Cycript - The Truly Universal Scripting Language + * Copyright (C) 2009-2016 Jay Freeman (saurik) */ -/* Modified BSD License {{{ */ +/* GNU Affero 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: - * - * 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. -*/ + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + + * This program 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 Affero General Public License for more details. + + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . +**/ /* }}} */ -#include "cycript.hpp" -#include "Parser.hpp" - +#include +#include #include -_finline CYFlags operator ~(CYFlags rhs) { - return static_cast(~static_cast(rhs)); -} +#include "Syntax.hpp" -_finline CYFlags operator &(CYFlags lhs, CYFlags rhs) { - return static_cast(static_cast(lhs) & static_cast(rhs)); -} +enum CYStringType { + CYStringTypeSingle, + CYStringTypeDouble, + CYStringTypeTemplate, +}; -_finline CYFlags operator |(CYFlags lhs, CYFlags rhs) { - return static_cast(static_cast(lhs) | static_cast(rhs)); -} +void CYStringify(std::ostringstream &str, const char *data, size_t size, CYStringifyMode mode) { + if (size == 0) { + str << "\"\""; + return; + } -_finline CYFlags &operator |=(CYFlags &lhs, CYFlags rhs) { - return lhs = lhs | rhs; -} + unsigned quot(0), apos(0), tick(0), line(0); + for (const char *value(data), *end(data + size); value != end; ++value) + switch (*value) { + case '"': ++quot; break; + case '\'': ++apos; break; + case '`': ++tick; break; + case '$': ++tick; break; + case '\n': ++line; break; + } -_finline CYFlags CYLeft(CYFlags flags) { - return flags & ~(CYNoDangle | CYNoInteger); -} + bool split; + if (mode != CYStringifyModeCycript) + split = false; + else { + double ratio(double(line) / size); + split = size > 10 && line > 2 && ratio > 0.005 && ratio < 0.10; + } -_finline CYFlags CYRight(CYFlags flags) { - return flags & ~CYNoBF; -} + CYStringType type; + if (mode == CYStringifyModeNative) + type = CYStringTypeDouble; + else if (split) + type = CYStringTypeTemplate; + else if (quot > apos) + type = CYStringTypeSingle; + else + type = CYStringTypeDouble; + + bool parens(split && mode != CYStringifyModeNative && type != CYStringTypeTemplate); + if (parens) + str << '('; + + char border; + switch (type) { + case CYStringTypeSingle: border = '\''; break; + case CYStringTypeDouble: border = '"'; break; + case CYStringTypeTemplate: border = '`'; break; + } + + str << border; + + bool space(false); + + for (const char *value(data), *end(data + size); value != end; ++value) + if (*value == ' ') { + space = true; + str << ' '; + } else { switch (uint8_t next = *value) { + case '\\': str << "\\\\"; break; + case '\b': str << "\\b"; break; + case '\f': str << "\\f"; break; + case '\r': str << "\\r"; break; + case '\t': str << "\\t"; break; + case '\v': str << "\\v"; break; + + case '\a': + if (mode == CYStringifyModeNative) + str << "\\a"; + else goto simple; + break; + + case '\n': + if (!split) + str << "\\n"; + /*else if (mode == CYStringifyModeNative) + str << border << "\\\n" << border;*/ + else if (type != CYStringTypeTemplate) + str << border << '+' << border; + else if (!space) + str << '\n'; + else + str << "\\n\\\n"; + break; + + case '$': + if (type == CYStringTypeTemplate) + str << "\\$"; + else goto simple; + break; + + case '`': + if (type == CYStringTypeTemplate) + str << "\\`"; + else goto simple; + break; + + case '"': + if (type == CYStringTypeDouble) + str << "\\\""; + else goto simple; + break; + + case '\'': + if (type == CYStringTypeSingle) + str << "\\'"; + else goto simple; + break; + + case '\0': + if (mode != CYStringifyModeNative && value[1] >= '0' && value[1] <= '9') + str << "\\x00"; + else + str << "\\0"; + break; + + default: + if (next >= 0x20 && next < 0x7f) simple: + str << *value; + else if (mode == CYStringifyModeNative) + str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value & 0xff); + else { + unsigned levels(1); + if ((next & 0x80) != 0) + while ((next & 0x80 >> ++levels) != 0); + + unsigned point(next & 0xff >> levels); + while (--levels != 0) + point = point << 6 | uint8_t(*++value) & 0x3f; + + if (point < 0x100) + str << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << point; + else if (point < 0x10000) + str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << point; + else { + point -= 0x10000; + str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << (0xd800 | point >> 0x0a); + str << "\\u" << std::setbase(16) << std::setw(4) << std::setfill('0') << (0xdc00 | point & 0x3ff); + } + } + } space = false; } + + str << border; + + if (parens) + str << ')'; +} + +void CYNumerify(std::ostringstream &str, double value) { + if (std::isinf(value)) { + if (value < 0) + str << '-'; + str << "Infinity"; + return; + } -_finline CYFlags CYCenter(CYFlags flags) { - return CYLeft(CYRight(flags)); + char string[32]; + // XXX: I want this to print 1e3 rather than 1000 + sprintf(string, "%.17g", value); + str << string; } void CYOutput::Terminate() { - out_ << ';'; + operator ()(';'); mode_ = NoMode; } CYOutput &CYOutput::operator <<(char rhs) { if (rhs == ' ' || rhs == '\n') if (pretty_) - out_ << rhs; + operator ()(rhs); else goto done; else if (rhs == '\t') if (pretty_) for (unsigned i(0); i != indent_; ++i) - out_ << " "; + operator ()(" ", 4); else goto done; else if (rhs == '\r') { if (right_) { - out_ << '\n'; + operator ()('\n'); right_ = false; - goto mode; - } + } goto done; } else goto work; right_ = true; - mode: mode_ = NoMode; goto done; work: if (mode_ == Terminated && rhs != '}') { right_ = true; - out_ << ';'; + operator ()(';'); } if (rhs == ';') { @@ -113,21 +229,21 @@ CYOutput &CYOutput::operator <<(char rhs) { } } else if (rhs == '+') { if (mode_ == NoPlus) - out_ << ' '; + operator ()(' '); mode_ = NoPlus; } else if (rhs == '-') { if (mode_ == NoHyphen) - out_ << ' '; + operator ()(' '); mode_ = NoHyphen; } else if (WordEndRange_[rhs]) { if (mode_ == NoLetter) - out_ << ' '; + operator ()(' '); mode_ = NoLetter; } else none: mode_ = NoMode; right_ = true; - out_ << rhs; + operator ()(rhs); done: return *this; } @@ -139,21 +255,22 @@ CYOutput &CYOutput::operator <<(const char *rhs) { return *this << *rhs; if (mode_ == Terminated) - out_ << ';'; + operator ()(';'); else if ( mode_ == NoPlus && *rhs == '+' || mode_ == NoHyphen && *rhs == '-' || mode_ == NoLetter && WordEndRange_[*rhs] ) - out_ << ' '; + operator ()(' '); - if (WordEndRange_[rhs[size - 1]]) + char last(rhs[size - 1]); + if (WordEndRange_[last] || last == '/') mode_ = NoLetter; else mode_ = NoMode; right_ = true; - out_ << rhs; + operator ()(rhs, size); return *this; } @@ -164,10 +281,9 @@ void CYArgument::Output(CYOutput &out) const { out << ':' << ' '; } if (value_ != NULL) - value_->Output(out, CYPA, CYNoFlags); + value_->Output(out, CYAssign::Precedence_, CYNoFlags); if (next_ != NULL) { - if (next_->name_ == NULL) - out << ','; + out << ','; out << ' ' << *next_; } } @@ -186,26 +302,18 @@ void CYAssignment::Output(CYOutput &out, CYFlags flags) const { rhs_->Output(out, Precedence(), CYRight(flags)); } -void CYBlock::Output(CYOutput &out) const { +void CYBlock::Output(CYOutput &out, CYFlags flags) const { out << '{' << '\n'; ++out.indent_; - if (statements_ != NULL) - statements_->Multiple(out); + out << code_; --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(CYOutput &out, CYFlags flags) const { - out << (Value() ? "true" : "false"); + out << '!' << (Value() ? "0" : "1"); + if ((flags & CYNoInteger) != 0) + out << '.'; } void CYBreak::Output(CYOutput &out, CYFlags flags) const { @@ -229,40 +337,74 @@ namespace cy { namespace Syntax { void Catch::Output(CYOutput &out) const { - out << ' ' << "catch" << ' ' << '(' << *name_ << ')' << ' ' << code_; + out << ' ' << "catch" << ' ' << '(' << *name_ << ')' << ' '; + out << '{' << '\n'; + ++out.indent_; + out << code_; + --out.indent_; + out << '\t' << '}'; } } } -void CYComment::Output(CYOutput &out, CYFlags flags) const { - out << '\r'; - out << value_; - out << '\r'; +void CYClassExpression::Output(CYOutput &out, CYFlags flags) const { + bool protect((flags & CYNoClass) != 0); + if (protect) + out << '('; + out << "class"; + if (name_ != NULL) + out << ' ' << *name_; + out << *tail_;; + if (protect) + out << ')'; +} + +void CYClassStatement::Output(CYOutput &out, CYFlags flags) const { + out << "class" << ' ' << *name_ << *tail_; +} + +void CYClassTail::Output(CYOutput &out) const { + if (extends_ == NULL) + out << ' '; + else { + out << '\n'; + ++out.indent_; + out << "extends" << ' '; + extends_->Output(out, CYAssign::Precedence_ - 1, CYNoFlags); + out << '\n'; + --out.indent_; + } + + out << '{' << '\n'; + ++out.indent_; + + --out.indent_; + 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); + if (next_ == NULL) + expression_->Output(out, flags); + else { + expression_->Output(out, CYLeft(flags)); + out << ',' << ' '; + next_->Output(out, CYRight(flags)); + } +} + +void CYComputed::PropertyName(CYOutput &out) const { + out << '['; + expression_->Output(out, CYAssign::Precedence_, CYNoFlags); + out << ']'; } void CYCondition::Output(CYOutput &out, CYFlags flags) const { test_->Output(out, Precedence() - 1, CYLeft(flags)); out << ' ' << '?' << ' '; if (true_ != NULL) - true_->Output(out, CYPA, CYNoFlags); + true_->Output(out, CYAssign::Precedence_, CYNoColon); out << ' ' << ':' << ' '; - false_->Output(out, CYPA, CYRight(flags)); + false_->Output(out, CYAssign::Precedence_, CYRight(flags)); } void CYContinue::Output(CYOutput &out, CYFlags flags) const { @@ -273,60 +415,58 @@ void CYContinue::Output(CYOutput &out, CYFlags flags) const { } void CYClause::Output(CYOutput &out) const { - if (case_ != NULL) - out << "case" << ' ' << *case_; - else + out << '\t'; + if (value_ == NULL) out << "default"; + else { + out << "case" << ' '; + value_->Output(out, CYNoColon); + } out << ':' << '\n'; - if (statements_ != NULL) - statements_->Multiple(out); + ++out.indent_; + out << code_; + --out.indent_; 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 { - out << "var"; - Output(out, CYRight(flags)); -} - -void CYDeclaration::Output(CYOutput &out, CYFlags flags) const { +void CYBinding::Output(CYOutput &out, CYFlags flags) const { out << *identifier_; - if (initialiser_ != NULL) { + //out.out_ << ':' << identifier_->usage_ << '#' << identifier_->offset_; + if (initializer_ != NULL) { out << ' ' << '=' << ' '; - initialiser_->Output(out, CYPA, CYRight(flags)); + initializer_->Output(out, CYAssign::Precedence_, CYRight(flags)); } } -void CYDeclarations::For(CYOutput &out) const { - out << "var"; - Output(out, CYNoIn); -} - -void CYDeclarations::Output(CYOutput &out) const { +void CYBindings::Output(CYOutput &out) const { Output(out, CYNoFlags); } -void CYDeclarations::Output(CYOutput &out, CYFlags flags) const { - const CYDeclarations *declaration(this); +void CYBindings::Output(CYOutput &out, CYFlags flags) const { + const CYBindings *binding(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 (;;) { + CYBindings *next(binding->next_); + + CYFlags jacks(first ? CYLeft(flags) : next == NULL ? CYRight(flags) : CYCenter(flags)); + first = false; + binding->binding_->Output(out, jacks); + + if (next == NULL) + break; + out << ',' << ' '; - declaration = next; - goto output; + binding = next; } } void CYDirectMember::Output(CYOutput &out, CYFlags flags) const { - object_->Output(out, Precedence(), CYLeft(flags)); + object_->Output(out, Precedence(), CYLeft(flags) | CYNoInteger); if (const char *word = property_->Word()) out << '.' << word; else @@ -335,16 +475,29 @@ void CYDirectMember::Output(CYOutput &out, CYFlags flags) const { void CYDoWhile::Output(CYOutput &out, CYFlags flags) const { out << "do"; - code_->Single(out, CYCenter(flags)); + + unsigned line(out.position_.line); + unsigned indent(out.indent_); + code_->Single(out, CYCenter(flags), CYCompactLong); + + if (out.position_.line != line && out.recent_ == indent) + out << ' '; + else + out << '\n' << '\t'; + out << "while" << ' ' << '(' << *test_ << ')'; } -void CYElement::Output(CYOutput &out) const { +void CYElementSpread::Output(CYOutput &out) const { + out << "..." << value_; +} + +void CYElementValue::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 && !next_->Elision()) out << ' '; } if (next_ != NULL) @@ -352,113 +505,153 @@ void CYElement::Output(CYOutput &out) const { } void CYEmpty::Output(CYOutput &out, CYFlags flags) const { - out << '`'; out.Terminate(); } +void CYEval::Output(CYOutput &out, CYFlags flags) const { + _assert(false); +} + void CYExpress::Output(CYOutput &out, CYFlags flags) const { - expression_->Output(out, flags | CYNoBF); + expression_->Output(out, flags | CYNoBFC); out << ';'; } -void CYExpression::ClassName(CYOutput &out, bool object) const { - Output(out, CYPA, CYNoFlags); +void CYExpression::Output(CYOutput &out) const { + Output(out, CYNoFlags); } -const char *CYExpression::ForEachIn() const { - return NULL; +void CYExpression::Output(CYOutput &out, int precedence, CYFlags flags) const { + if (precedence < Precedence() || (flags & CYNoRightHand) != 0 && RightHand()) + out << '(' << *this << ')'; + else + Output(out, flags); } -void CYExpression::For(CYOutput &out) const { - Output(out, CYNoIn); +void CYExtend::Output(CYOutput &out, CYFlags flags) const { + lhs_->Output(out, CYLeft(flags)); + out << ' ' << object_; } -void CYExpression::ForIn(CYOutput &out, CYFlags flags) const { - Output(out, flags | CYNoRightHand); +void CYExternalDefinition::Output(CYOutput &out, CYFlags flags) const { + out << "extern" << ' ' << abi_ << ' '; + type_->Output(out, name_); + out.Terminate(); } -void CYExpression::Output(CYOutput &out) const { - Output(out, CYNoFlags); +void CYExternalExpression::Output(CYOutput &out, CYFlags flags) const { + out << '(' << "extern" << ' ' << abi_ << ' '; + type_->Output(out, name_); + out << ')'; } -void CYExpression::Output(CYOutput &out, unsigned precedence, CYFlags flags) const { - if (precedence < Precedence() || (flags & CYNoRightHand) != 0 && RightHand()) - out << '(' << *this << ')'; - else - Output(out, flags); +void CYFatArrow::Output(CYOutput &out, CYFlags flags) const { + out << '(' << parameters_ << ')' << ' ' << "=>" << ' ' << '{' << code_ << '}'; } void CYFinally::Output(CYOutput &out) const { - out << ' ' << "finally" << ' ' << code_; + out << ' ' << "finally" << ' '; + out << '{' << '\n'; + ++out.indent_; + out << code_; + --out.indent_; + out << '\t' << '}'; } void CYFor::Output(CYOutput &out, CYFlags flags) const { out << "for" << ' ' << '('; - if (initialiser_ != NULL) - initialiser_->For(out); + if (initializer_ != NULL) + initializer_->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 { - out << "for" << ' ' << "each" << ' ' << '('; - initialiser_->ForIn(out, CYNoIn); - out << "in" << *set_ << ')'; - code_->Single(out, CYRight(flags)); + code_->Single(out, CYRight(flags), CYCompactShort); } -void CYForEachInComprehension::Output(CYOutput &out) const { - out << "for" << ' ' << "each" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')' << next_; +void CYForLexical::Output(CYOutput &out, CYFlags flags) const { + out << (constant_ ? "const" : "let") << ' '; + binding_->Output(out, CYRight(flags)); } void CYForIn::Output(CYOutput &out, CYFlags flags) const { out << "for" << ' ' << '('; - if (initialiser_ != NULL) - initialiser_->ForIn(out, CYNoIn); - out << "in" << *set_ << ')'; - code_->Single(out, CYRight(flags)); + initializer_->Output(out, CYNoIn | CYNoRightHand); + out << ' ' << "in" << ' ' << *iterable_ << ')'; + code_->Single(out, CYRight(flags), CYCompactShort); +} + +void CYForInitialized::Output(CYOutput &out, CYFlags flags) const { + out << "for" << ' ' << '(' << "var" << ' '; + binding_->Output(out, CYNoIn | CYNoRightHand); + out << ' ' << "in" << ' ' << *iterable_ << ')'; + code_->Single(out, CYRight(flags), CYCompactShort); } void CYForInComprehension::Output(CYOutput &out) const { - out << "for" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')'; + out << "for" << ' ' << '('; + binding_->Output(out, CYNoIn | CYNoRightHand); + out << ' ' << "in" << ' ' << *iterable_ << ')'; } -void CYFunction::Output(CYOutput &out, CYFlags flags) const { +void CYForOf::Output(CYOutput &out, CYFlags flags) const { + out << "for" << ' ' << '('; + initializer_->Output(out, CYNoRightHand); + out << ' ' << "of" << ' ' << *iterable_ << ')'; + code_->Single(out, CYRight(flags), CYCompactShort); +} + +void CYForOfComprehension::Output(CYOutput &out) const { + out << "for" << ' ' << '('; + binding_->Output(out, CYNoRightHand); + out << ' ' << "of" << ' ' << *iterable_ << ')' << next_; +} + +void CYForVariable::Output(CYOutput &out, CYFlags flags) const { + out << "var" << ' '; + binding_->Output(out, CYRight(flags)); +} + +void CYFunction::Output(CYOutput &out) const { + out << '(' << parameters_ << ')' << ' '; + out << '{' << '\n'; + ++out.indent_; + out << code_; + --out.indent_; + out << '\t' << '}'; +} + +void CYFunctionExpression::Output(CYOutput &out, CYFlags flags) const { // XXX: one could imagine using + here to save a byte bool protect((flags & CYNoFunction) != 0); if (protect) out << '('; out << "function"; - if (out.options_.verbose_) - out.out_ << ':' << static_cast(this); if (name_ != NULL) out << ' ' << *name_; - out << '(' << parameters_ << ')'; - out << ' ' << code_; + CYFunction::Output(out); if (protect) out << ')'; } -void CYFunctionExpression::Output(CYOutput &out, CYFlags flags) const { - CYFunction::Output(out, flags); -} - void CYFunctionStatement::Output(CYOutput &out, CYFlags flags) const { - CYFunction::Output(out, flags); + out << "function" << ' ' << *name_; + CYFunction::Output(out); } void CYFunctionParameter::Output(CYOutput &out) const { - out << *name_; + binding_->Output(out, CYNoFlags); if (next_ != NULL) out << ',' << ' ' << *next_; } const char *CYIdentifier::Word() const { - return replace_ == NULL || replace_ == this ? CYWord::Word() : replace_->Word(); + return next_ == NULL || next_ == this ? CYWord::Word() : next_->Word(); } void CYIf::Output(CYOutput &out, CYFlags flags) const { @@ -478,11 +671,18 @@ void CYIf::Output(CYOutput &out, CYFlags flags) const { else jacks |= protect ? CYNoFlags : CYCenter(flags); - true_->Single(out, jacks); + unsigned line(out.position_.line); + unsigned indent(out.indent_); + true_->Single(out, jacks, CYCompactShort); if (false_ != NULL) { + if (out.position_.line != line && out.recent_ == indent) + out << ' '; + else + out << '\n' << '\t'; + out << "else"; - false_->Single(out, right); + false_->Single(out, right, CYCompactLong); } if (protect) @@ -493,6 +693,19 @@ void CYIfComprehension::Output(CYOutput &out) const { out << "if" << ' ' << '(' << *test_ << ')' << next_; } +void CYImport::Output(CYOutput &out, CYFlags flags) const { + out << "@import"; +} + +void CYImportDeclaration::Output(CYOutput &out, CYFlags flags) const { + _assert(false); +} + +void CYIndirect::Output(CYOutput &out, CYFlags flags) const { + out << "*"; + rhs_->Output(out, Precedence(), CYRight(flags)); +} + void CYIndirectMember::Output(CYOutput &out, CYFlags flags) const { object_->Output(out, Precedence(), CYLeft(flags)); if (const char *word = property_->Word()) @@ -516,15 +729,136 @@ void CYInfix::Output(CYOutput &out, CYFlags flags) const { } void CYLabel::Output(CYOutput &out, CYFlags flags) const { - out << *name_ << ':' << ' '; - statement_->Single(out, CYRight(flags)); + out << *name_ << ':'; + statement_->Single(out, CYRight(flags), CYCompactShort); +} + +void CYParenthetical::Output(CYOutput &out, CYFlags flags) const { + out << '('; + expression_->Output(out, CYCompound::Precedence_, CYNoFlags); + out << ')'; +} + +void CYStatement::Output(CYOutput &out) const { + Multiple(out); +} + +void CYTemplate::Output(CYOutput &out, CYFlags flags) const { + _assert(false); +} + +void CYTypeArrayOf::Output(CYOutput &out, CYPropertyName *name) const { + next_->Output(out, Precedence(), name, false); + out << '['; + out << size_; + out << ']'; } -void CYLet::Output(CYOutput &out, CYFlags flags) const { - out << "let" << ' ' << '(' << *declarations_ << ')' << ' ' << code_; +void CYTypeBlockWith::Output(CYOutput &out, CYPropertyName *name) const { + out << '(' << '^'; + next_->Output(out, Precedence(), name, false); + out << ')' << '(' << parameters_ << ')'; } -void CYNew::Output(CYOutput &out, CYFlags flags) const { +void CYTypeConstant::Output(CYOutput &out, CYPropertyName *name) const { + out << "const"; + next_->Output(out, Precedence(), name, false); +} + +void CYTypeFunctionWith::Output(CYOutput &out, CYPropertyName *name) const { + next_->Output(out, Precedence(), name, false); + out << '(' << parameters_; + if (variadic_) { + if (parameters_ != NULL) + out << ',' << ' '; + out << "..."; + } + out << ')'; +} + +void CYTypePointerTo::Output(CYOutput &out, CYPropertyName *name) const { + out << '*'; + next_->Output(out, Precedence(), name, false); +} + +void CYTypeVolatile::Output(CYOutput &out, CYPropertyName *name) const { + out << "volatile"; + next_->Output(out, Precedence(), name, true); +} + +void CYTypeModifier::Output(CYOutput &out, int precedence, CYPropertyName *name, bool space) const { + if (this == NULL && name == NULL) + return; + else if (space) + out << ' '; + + if (this == NULL) { + name->PropertyName(out); + return; + } + + bool protect(precedence > Precedence()); + + if (protect) + out << '('; + Output(out, name); + if (protect) + out << ')'; +} + +void CYType::Output(CYOutput &out, CYPropertyName *name) const { + out << *specifier_; + modifier_->Output(out, 0, name, true); +} + +void CYType::Output(CYOutput &out) const { + Output(out, NULL); +} + +void CYEncodedType::Output(CYOutput &out, CYFlags flags) const { + out << "@encode(" << typed_ << ")"; +} + +void CYTypedParameter::Output(CYOutput &out) const { + type_->Output(out, name_); + if (next_ != NULL) + out << ',' << ' ' << next_; +} + +void CYLambda::Output(CYOutput &out, CYFlags flags) const { + // XXX: this is seriously wrong + out << "[]("; + out << ")->"; + out << "{"; + out << "}"; +} + +void CYTypeDefinition::Output(CYOutput &out, CYFlags flags) const { + out << "typedef" << ' '; + type_->Output(out, name_); + out.Terminate(); +} + +void CYTypeExpression::Output(CYOutput &out, CYFlags flags) const { + out << '(' << "typedef" << ' ' << *typed_ << ')'; +} + +void CYLexical::Output(CYOutput &out, CYFlags flags) const { + out << "let" << ' '; + bindings_->Output(out, flags); // XXX: flags + out << ';'; +} + +void CYModule::Output(CYOutput &out) const { + out << part_; + if (next_ != NULL) + out << '.' << next_; +} + +namespace cy { +namespace Syntax { + +void New::Output(CYOutput &out, CYFlags flags) const { out << "new" << ' '; CYFlags jacks(CYNoCall | CYCenter(flags)); constructor_->Output(out, Precedence(), jacks); @@ -532,8 +866,10 @@ void CYNew::Output(CYOutput &out, CYFlags flags) const { out << '(' << *arguments_ << ')'; } +} } + void CYNull::Output(CYOutput &out, CYFlags flags) const { - CYWord::Output(out); + out << "null"; } void CYNumber::Output(CYOutput &out, CYFlags flags) const { @@ -576,26 +912,56 @@ void CYPrefix::Output(CYOutput &out, CYFlags flags) const { rhs_->Output(out, Precedence(), CYRight(flags)); } -void CYProgram::Output(CYOutput &out) const { - if (statements_ != NULL) - statements_->Multiple(out); +void CYScript::Output(CYOutput &out) const { + out << code_; } void CYProperty::Output(CYOutput &out) const { + if (next_ != NULL || out.pretty_) + out << ','; + out << '\n' << next_; +} + +void CYPropertyGetter::Output(CYOutput &out) const { + out << "get" << ' '; + name_->PropertyName(out); + CYFunction::Output(out); + CYProperty::Output(out); +} + +void CYPropertyMethod::Output(CYOutput &out) const { + name_->PropertyName(out); + CYFunction::Output(out); + CYProperty::Output(out); +} + +void CYPropertySetter::Output(CYOutput &out) const { + out << "set" << ' '; + name_->PropertyName(out); + CYFunction::Output(out); + CYProperty::Output(out); +} + +void CYPropertyValue::Output(CYOutput &out) const { out << '\t'; name_->PropertyName(out); out << ':' << ' '; - value_->Output(out, CYPA, CYNoFlags); - if (next_ != NULL) - out << ',' << '\n' << *next_; - else - out << '\n'; + value_->Output(out, CYAssign::Precedence_, CYNoFlags); + CYProperty::Output(out); } void CYRegEx::Output(CYOutput &out, CYFlags flags) const { out << Value(); } +void CYResolveMember::Output(CYOutput &out, CYFlags flags) const { + object_->Output(out, Precedence(), CYLeft(flags)); + if (const char *word = property_->Word()) + out << "::" << word; + else + out << "::" << '[' << *property_ << ']'; +} + void CYReturn::Output(CYOutput &out, CYFlags flags) const { out << "return"; if (value_ != NULL) @@ -603,11 +969,30 @@ void CYReturn::Output(CYOutput &out, CYFlags flags) const { out << ';'; } +void CYRubyBlock::Output(CYOutput &out, CYFlags flags) const { + lhs_->Output(out, CYLeft(flags)); + out << ' '; + proc_->Output(out, CYRight(flags)); +} + +void CYRubyProc::Output(CYOutput &out, CYFlags flags) const { + out << '{' << ' ' << '|' << parameters_ << '|' << '\n'; + ++out.indent_; + out << code_; + --out.indent_; + out << '\t' << '}'; +} + +void CYSubscriptMember::Output(CYOutput &out, CYFlags flags) const { + object_->Output(out, Precedence(), CYLeft(flags)); + out << "." << '[' << *property_ << ']'; +} + 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 ? CYCenter(flags) : CYRight(flags)); + CYFlags jacks(first ? last ? flags : CYLeft(flags) : last ? CYRight(flags) : CYCenter(flags)); first = false; out << '\t'; next->Output(out, jacks); @@ -615,19 +1000,31 @@ void CYStatement::Multiple(CYOutput &out, CYFlags flags) const { } } -void CYStatement::Single(CYOutput &out, CYFlags flags) const { +void CYStatement::Single(CYOutput &out, CYFlags flags, CYCompactType request) const { + if (this == NULL) + return out.Terminate(); + _assert(next_ == NULL); - out << '\n'; - ++out.indent_; - out << '\t'; + + CYCompactType compact(Compact()); + + if (compact >= request) + out << ' '; + else { + out << '\n'; + ++out.indent_; + out << '\t'; + } + Output(out, flags); - out << '\n'; - --out.indent_; + + if (compact < request) + --out.indent_; } void CYString::Output(CYOutput &out, CYFlags flags) const { std::ostringstream str; - CYStringify(str, value_, size_); + CYStringify(str, value_, size_, CYStringifyModeLegacy); out << str.str().c_str(); } @@ -657,8 +1054,6 @@ static const char *Reserved_[] = { "let", "yield", - "each", - NULL }; @@ -675,14 +1070,54 @@ const char *CYString::Word() const { return value; } +void CYStructDefinition::Output(CYOutput &out, CYFlags flags) const { + out << "struct" << ' ' << *name_ << *tail_; +} + +void CYStructTail::Output(CYOutput &out) const { + out << ' ' << '{' << '\n'; + ++out.indent_; + CYForEach (field, fields_) { + out << '\t'; + field->type_->Output(out, field->name_); + out.Terminate(); + out << '\n'; + } + --out.indent_; + out << '\t' << '}'; +} + +void CYSuperAccess::Output(CYOutput &out, CYFlags flags) const { + out << "super"; + if (const char *word = property_->Word()) + out << '.' << word; + else + out << '[' << *property_ << ']'; +} + +void CYSuperCall::Output(CYOutput &out, CYFlags flags) const { + out << "super" << '(' << arguments_ << ')'; +} + void CYSwitch::Output(CYOutput &out, CYFlags flags) const { - out << "switch" << ' ' << '(' << *value_ << ')' << ' ' << '{'; + out << "switch" << ' ' << '(' << *value_ << ')' << ' ' << '{' << '\n'; + ++out.indent_; out << clauses_; - out << '}'; + --out.indent_; + out << '\t' << '}'; +} + +void CYSymbol::Output(CYOutput &out, CYFlags flags) const { + bool protect((flags & CYNoColon) != 0); + if (protect) + out << '('; + out << ':' << name_; + if (protect) + out << ')'; } void CYThis::Output(CYOutput &out, CYFlags flags) const { - CYWord::Output(out); + out << "this"; } namespace cy { @@ -696,14 +1131,120 @@ void Throw::Output(CYOutput &out, CYFlags flags) const { } void Try::Output(CYOutput &out, CYFlags flags) const { - out << "try" << ' ' << code_ << catch_ << finally_; + out << "try" << ' '; + out << '{' << '\n'; + ++out.indent_; + out << code_; + --out.indent_; + out << '\t' << '}'; + out << catch_ << finally_; } } } +void CYTypeCharacter::Output(CYOutput &out) const { + switch (signing_) { + case CYTypeNeutral: break; + case CYTypeSigned: out << "signed" << ' '; break; + case CYTypeUnsigned: out << "unsigned" << ' '; break; + } + + out << "char"; +} + +void CYTypeEnum::Output(CYOutput &out) const { + out << "enum" << ' '; + if (name_ != NULL) + out << *name_; + else { + if (specifier_ != NULL) + out << ':' << ' ' << *specifier_ << ' '; + + out << '{' << '\n'; + ++out.indent_; + bool comma(false); + + CYForEach (constant, constants_) { + if (comma) + out << ',' << '\n'; + else + comma = true; + out << '\t' << constant->name_; + out << ' ' << '=' << ' ' << constant->value_; + } + + if (out.pretty_) + out << ','; + out << '\n'; + --out.indent_; + out << '\t' << '}'; + } +} + +void CYTypeError::Output(CYOutput &out) const { + out << "@error"; +} + +void CYTypeFloating::Output(CYOutput &out) const { + switch (length_) { + case 0: out << "float"; break; + case 1: out << "double"; break; + case 2: out << "long" << ' ' << "double"; break; + default: _assert(false); + } +} + +void CYTypeInt128::Output(CYOutput &out) const { + switch (signing_) { + case CYTypeNeutral: break; + case CYTypeSigned: out << "signed" << ' '; break; + case CYTypeUnsigned: out << "unsigned" << ' '; break; + } + + out << "__int128"; +} + +void CYTypeIntegral::Output(CYOutput &out) const { + if (signing_ == CYTypeUnsigned) + out << "unsigned" << ' '; + switch (length_) { + case 0: out << "short"; break; + case 1: out << "int"; break; + case 2: out << "long"; break; + case 3: out << "long" << ' ' << "long"; break; + default: _assert(false); + } +} + +void CYTypeStruct::Output(CYOutput &out) const { + out << "struct"; + if (name_ != NULL) + out << ' ' << *name_; + else + out << *tail_; +} + +void CYTypeReference::Output(CYOutput &out) const { + switch (kind_) { + case CYTypeReferenceStruct: out << "struct"; break; + case CYTypeReferenceEnum: out << "enum"; break; + default: _assert(false); + } + + out << ' ' << *name_; +} + +void CYTypeVariable::Output(CYOutput &out) const { + out << *name_; +} + +void CYTypeVoid::Output(CYOutput &out) const { + out << "void"; +} + void CYVar::Output(CYOutput &out, CYFlags flags) const { - out << "var"; - declarations_->Output(out, flags); + out << "var" << ' '; + bindings_->Output(out, flags); // XXX: flags out << ';'; } @@ -712,27 +1253,23 @@ void CYVariable::Output(CYOutput &out, CYFlags flags) const { } void CYWhile::Output(CYOutput &out, CYFlags flags) const { - out << "while" << '(' << *test_ << ')'; - code_->Single(out, CYRight(flags)); + out << "while" << ' ' << '(' << *test_ << ')'; + code_->Single(out, CYRight(flags), CYCompactShort); } void CYWith::Output(CYOutput &out, CYFlags flags) const { - out << "with" << '(' << *scope_ << ')'; - code_->Single(out, CYRight(flags)); -} - -void CYWord::ClassName(CYOutput &out, bool object) const { - if (object) - out << "objc_getClass("; - out << '"' << Word() << '"'; - if (object) - out << ')'; + out << "with" << ' ' << '(' << *scope_ << ')'; + code_->Single(out, CYRight(flags), CYCompactShort); } void CYWord::Output(CYOutput &out) const { out << Word(); - if (out.options_.verbose_) - out.out_ << '@' << this; + if (out.options_.verbose_) { + out('@'); + char number[32]; + sprintf(number, "%p", this); + out(number); + } } void CYWord::PropertyName(CYOutput &out) const {