-#include "Parser.hpp"
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 Jay Freeman (saurik)
+*/
-#include <iostream>
+/* GNU Affero General Public License, Version 3 {{{ */
+/*
+ * 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 <http://www.gnu.org/licenses/>.
+**/
+/* }}} */
+
+#include <cmath>
#include <iomanip>
+#include <sstream>
+
+#include "Syntax.hpp"
+
+enum CYStringType {
+ CYStringTypeSingle,
+ CYStringTypeDouble,
+ CYStringTypeTemplate,
+};
+
+void CYStringify(std::ostringstream &str, const char *data, size_t size, CYStringifyMode mode) {
+ if (size == 0) {
+ str << "\"\"";
+ return;
+ }
+
+ 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 '$': ++tick; break;
+ case '\n': ++line; break;
+ }
+
+ bool split;
+ if (mode != CYStringifyModeCycript)
+ split = false;
+ else {
+ double ratio(double(line) / size);
+ split = size > 10 && line > 2 && ratio > 0.005 && ratio < 0.10;
+ }
+
+ CYStringType type;
+ if (mode == CYStringifyModeNative)
+ type = CYStringTypeDouble;
+ else if (split)
+ type = CYStringTypeTemplate;
+ else if (quot > apos)
+ type = CYStringTypeSingle;
+ else
+ type = CYStringTypeDouble;
+
+ bool parens(split && mode != CYStringifyModeNative && type != CYStringTypeTemplate);
+ if (parens)
+ str << '(';
+
+ char border;
+ switch (type) {
+ case CYStringTypeSingle: border = '\''; break;
+ case CYStringTypeDouble: border = '"'; break;
+ case CYStringTypeTemplate: border = '`'; break;
+ }
+
+ str << border;
+
+ bool space(false);
+
+ for (const char *value(data), *end(data + size); value != end; ++value)
+ if (*value == ' ') {
+ space = true;
+ str << ' ';
+ } else { switch (uint8_t next = *value) {
+ case '\\': str << "\\\\"; break;
+ case '\b': str << "\\b"; break;
+ case '\f': str << "\\f"; break;
+ case '\r': str << "\\r"; break;
+ case '\t': str << "\\t"; break;
+ case '\v': str << "\\v"; break;
+
+ case '\a':
+ if (mode == CYStringifyModeNative)
+ str << "\\a";
+ else goto simple;
+ break;
+
+ case '\n':
+ if (!split)
+ str << "\\n";
+ /*else if (mode == CYStringifyModeNative)
+ str << border << "\\\n" << border;*/
+ else if (type != CYStringTypeTemplate)
+ str << border << '+' << border;
+ else if (!space)
+ str << '\n';
+ else
+ str << "\\n\\\n";
+ break;
+
+ case '$':
+ 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;
+ }
+
+ char string[32];
+ // XXX: I want this to print 1e3 rather than 1000
+ sprintf(string, "%.17g", value);
+ str << string;
+}
+
+void CYOutput::Terminate() {
+ operator ()(';');
+ mode_ = NoMode;
+}
+
+CYOutput &CYOutput::operator <<(char rhs) {
+ if (rhs == ' ' || rhs == '\n')
+ if (pretty_)
+ operator ()(rhs);
+ else goto done;
+ else if (rhs == '\t')
+ if (pretty_)
+ for (unsigned i(0); i != indent_; ++i)
+ operator ()(" ", 4);
+ else goto done;
+ else if (rhs == '\r') {
+ if (right_) {
+ operator ()('\n');
+ right_ = false;
+ } goto done;
+ } else goto work;
+
+ right_ = true;
+ mode_ = NoMode;
+ goto done;
+
+ work:
+ if (mode_ == Terminated && rhs != '}') {
+ right_ = true;
+ operator ()(';');
+ }
+
+ if (rhs == ';') {
+ if (pretty_)
+ goto none;
+ else {
+ mode_ = Terminated;
+ goto done;
+ }
+ } else if (rhs == '+') {
+ if (mode_ == NoPlus)
+ operator ()(' ');
+ mode_ = NoPlus;
+ } else if (rhs == '-') {
+ if (mode_ == NoHyphen)
+ operator ()(' ');
+ mode_ = NoHyphen;
+ } else if (WordEndRange_[rhs]) {
+ if (mode_ == NoLetter)
+ operator ()(' ');
+ mode_ = NoLetter;
+ } else none:
+ mode_ = NoMode;
+
+ right_ = true;
+ operator ()(rhs);
+ done:
+ return *this;
+}
+
+CYOutput &CYOutput::operator <<(const char *rhs) {
+ size_t size(strlen(rhs));
-#define CYPA 16
+ if (size == 1)
+ return *this << *rhs;
-void CYAddressOf::Output(std::ostream &out) const {
- rhs_->Output(out, 1);
- out << ".$()";
+ if (mode_ == Terminated)
+ operator ()(';');
+ else if (
+ mode_ == NoPlus && *rhs == '+' ||
+ mode_ == NoHyphen && *rhs == '-' ||
+ mode_ == NoLetter && WordEndRange_[*rhs]
+ )
+ operator ()(' ');
+
+ char last(rhs[size - 1]);
+ if (WordEndRange_[last] || last == '/')
+ mode_ = NoLetter;
+ else
+ mode_ = NoMode;
+
+ right_ = true;
+ operator ()(rhs, size);
+ return *this;
}
-void CYArgument::Output(std::ostream &out) const {
+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, CYAssign::Precedence_, CYNoFlags);
if (next_ != NULL) {
- if (next_->name_ == NULL)
- out << ',';
- else
- out << ' ';
- next_->Output(out);
+ 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 CYBoolean::Output(std::ostream &out) const {
- out << (Value() ? "true" : "false");
+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 CYBreak::Output(std::ostream &out) const {
+void CYBlock::Output(CYOutput &out, CYFlags flags) const {
+ out << '{' << '\n';
+ ++out.indent_;
+ out << code_;
+ --out.indent_;
+ out << '\t' << '}';
+}
+
+void CYBoolean::Output(CYOutput &out, CYFlags flags) const {
+ out << '!' << (Value() ? "0" : "1");
+ if ((flags & CYNoInteger) != 0)
+ out << '.';
+}
+
+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 << ')';
+}
+
+namespace cy {
+namespace Syntax {
+
+void Catch::Output(CYOutput &out) const {
+ out << ' ' << "catch" << ' ' << '(' << *name_ << ')' << ' ';
+ out << '{' << '\n';
+ ++out.indent_;
+ out << code_;
+ --out.indent_;
+ out << '\t' << '}';
}
-void CYCatch::Output(std::ostream &out) const {
- out << "catch(" << *name_ << ')';
- code_->Output(out, true);
+} }
+
+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 CYCondition::Output(std::ostream &out) const {
- test_->Output(out, Precedence() - 1);
- out << '?';
+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 (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);
- out << ':';
- false_->Output(out, CYPA);
+ true_->Output(out, CYAssign::Precedence_, CYNoColon);
+ out << ' ' << ':' << ' ';
+ false_->Output(out, CYAssign::Precedence_, 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 {
+ out << '\t';
+ if (value_ == NULL)
out << "default";
- out << ':';
- if (code_ != NULL)
- code_->Output(out, false);
- out << *next_;
+ else {
+ out << "case" << ' ';
+ value_->Output(out, CYNoColon);
+ }
+ out << ':' << '\n';
+ ++out.indent_;
+ out << code_;
+ --out.indent_;
+ out << next_;
}
-void CYDeclaration::Part(std::ostream &out) const {
- out << "var ";
- Output(out);
+void CYDebugger::Output(CYOutput &out, CYFlags flags) const {
+ out << "debugger" << ';';
}
-void CYDeclaration::Output(std::ostream &out) const {
+void CYBinding::Output(CYOutput &out, CYFlags flags) const {
out << *identifier_;
- if (initialiser_ != NULL) {
- out << '=';
- initialiser_->Output(out, CYPA);
+ //out.out_ << ':' << identifier_->usage_ << '#' << identifier_->offset_;
+ if (initializer_ != NULL) {
+ out << ' ' << '=' << ' ';
+ initializer_->Output(out, CYAssign::Precedence_, CYRight(flags));
}
}
-void CYDeclarations::Part(std::ostream &out) const {
- out << "var ";
+void CYBindings::Output(CYOutput &out) const {
+ Output(out, CYNoFlags);
+}
- const CYDeclarations *declaration(this);
- output:
- out << *declaration->declaration_;
- declaration = declaration->next_;
+void CYBindings::Output(CYOutput &out, CYFlags flags) const {
+ const CYBindings *binding(this);
+ bool first(true);
- if (declaration != NULL) {
- out << ',';
- goto output;
+ 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 << ',' << ' ';
+ binding = next;
}
}
-void CYDeclarations::Output(std::ostream &out) const {
- Part(out);
- out << ';';
+void CYDirectMember::Output(CYOutput &out, CYFlags flags) const {
+ object_->Output(out, Precedence(), CYLeft(flags) | CYNoInteger);
+ 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";
+
+ 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 CYElementSpread::Output(CYOutput &out) const {
+ out << "..." << value_;
}
-void CYElement::Output(std::ostream &out) const {
+void CYElementValue::Output(CYOutput &out) const {
if (value_ != NULL)
- value_->Output(out, CYPA);
- if (next_ != NULL || value_ == NULL)
+ value_->Output(out, CYAssign::Precedence_, CYNoFlags);
+ if (next_ != NULL || value_ == NULL) {
out << ',';
+ if (next_ != NULL && !next_->Elision())
+ 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 CYEval::Output(CYOutput &out, CYFlags flags) const {
+ _assert(false);
+}
+
+void CYExpress::Output(CYOutput &out, CYFlags flags) const {
+ expression_->Output(out, flags | CYNoBFC);
out << ';';
}
-void CYEmpty::Output(std::ostream &out, bool block) const {
- if (next_ != NULL)
- CYSource::Output(out, block);
+void CYExpression::Output(CYOutput &out) const {
+ Output(out, CYNoFlags);
+}
+
+void CYExpression::Output(CYOutput &out, int 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 CYExtend::Output(CYOutput &out, CYFlags flags) const {
+ lhs_->Output(out, CYLeft(flags));
+ out << ' ' << object_;
}
-void CYExpression::Part(std::ostream &out) const {
- // XXX: this should notice "in" expressions
- // XXX: this should handle LeftHandSideExpression
- Output(out);
+void CYExternalDefinition::Output(CYOutput &out, CYFlags flags) const {
+ out << "extern" << ' ' << abi_ << ' ';
+ type_->Output(out, name_);
+ out.Terminate();
}
-void CYCompound::Output(std::ostream &out) const {
- if (CYExpression *expression = expressions_)
- for (;;) {
- expression->Output(out);
- expression = expression->next_;
- if (expression == NULL)
- break;
- out << ',';
- }
+void CYExternalExpression::Output(CYOutput &out, CYFlags flags) const {
+ out << '(' << "extern" << ' ' << abi_ << ' ';
+ type_->Output(out, name_);
+ out << ')';
}
-void CYExpression::Output(std::ostream &out, unsigned precedence) const {
- bool protect(precedence < Precedence());
- if (protect)
- out << '(';
- Output(out);
- if (protect)
- out << ')';
+void CYFatArrow::Output(CYOutput &out, CYFlags flags) const {
+ out << '(' << parameters_ << ')' << ' ' << "=>" << ' ' << '{' << code_ << '}';
}
-void CYFor::Output(std::ostream &out) const {
- out << "for(";
- if (initialiser_ != NULL)
- initialiser_->Part(out);
- out << ';';
+void CYFinally::Output(CYOutput &out) const {
+ out << ' ' << "finally" << ' ';
+ out << '{' << '\n';
+ ++out.indent_;
+ out << code_;
+ --out.indent_;
+ out << '\t' << '}';
+}
+
+void CYFor::Output(CYOutput &out, CYFlags flags) const {
+ out << "for" << ' ' << '(';
+ if (initializer_ != NULL)
+ initializer_->Output(out, CYNoIn);
+ out.Terminate();
if (test_ != NULL)
- test_->Output(out);
- out << ';';
+ out << ' ';
+ out << test_;
+ out.Terminate();
if (increment_ != NULL)
- increment_->Output(out);
+ out << ' ';
+ out << increment_;
out << ')';
- code_->Output(out, false);
+ code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYForIn::Output(std::ostream &out) const {
- out << "for(";
- initialiser_->Part(out);
- out << " in ";
- set_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYForLexical::Output(CYOutput &out, CYFlags flags) const {
+ out << (constant_ ? "const" : "let") << ' ';
+ binding_->Output(out, CYRight(flags));
}
-void CYFunction::Output(std::ostream &out) const {
- CYLambda::Output(out);
+void CYForIn::Output(CYOutput &out, CYFlags flags) const {
+ out << "for" << ' ' << '(';
+ initializer_->Output(out, CYNoIn | CYNoRightHand);
+ out << ' ' << "in" << ' ' << *iterable_ << ')';
+ code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYIf::Output(std::ostream &out) const {
- out << "if(";
- test_->Output(out);
- out << ')';
- true_->Output(out, true);
- if (false_ != NULL) {
- out << "else ";
- false_->Output(out, false);
- }
+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 CYIndirect::Output(std::ostream &out) const {
- rhs_->Output(out, 1);
- out << "[0]";
+void CYForInComprehension::Output(CYOutput &out) const {
+ out << "for" << ' ' << '(';
+ binding_->Output(out, CYNoIn | CYNoRightHand);
+ out << ' ' << "in" << ' ' << *iterable_ << ')';
}
-void CYInfix::Output(std::ostream &out) const {
- lhs_->Output(out, Precedence());
- out << Operator();
- rhs_->Output(out, Precedence() - 1);
+void CYForOf::Output(CYOutput &out, CYFlags flags) const {
+ out << "for" << ' ' << '(';
+ initializer_->Output(out, CYNoRightHand);
+ out << ' ' << "of" << ' ' << *iterable_ << ')';
+ code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYLambda::Output(std::ostream &out) const {
+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 (name_ != NULL)
out << ' ' << *name_;
+ CYFunction::Output(out);
+ if (protect)
+ out << ')';
+}
+
+void CYFunctionStatement::Output(CYOutput &out, CYFlags flags) const {
+ out << "function" << ' ' << *name_;
+ CYFunction::Output(out);
+}
+
+void CYFunctionParameter::Output(CYOutput &out) const {
+ binding_->Output(out, CYNoFlags);
+ if (next_ != NULL)
+ out << ',' << ' ' << *next_;
+}
+
+const char *CYIdentifier::Word() const {
+ return next_ == NULL || next_ == this ? CYWord::Word() : next_->Word();
+}
+
+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);
+
+ 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, CYCompactLong);
+ }
+
+ if (protect)
+ out << '}';
+}
+
+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())
+ out << "->" << word;
+ else
+ out << "->" << '[' << *property_ << ']';
+}
+
+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 CYLabel::Output(CYOutput &out, CYFlags flags) const {
+ out << *name_ << ':';
+ statement_->Single(out, CYRight(flags), CYCompactShort);
+}
+
+void CYParenthetical::Output(CYOutput &out, CYFlags flags) const {
out << '(';
- if (parameters_ != NULL)
- out << *parameters_;
+ expression_->Output(out, CYCompound::Precedence_, CYNoFlags);
out << ')';
- body_->Output(out, true);
}
-void CYMember::Output(std::ostream &out) const {
- object_->Output(out, Precedence());
+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 << '[';
- property_->Output(out);
+ out << size_;
out << ']';
}
-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);
- }
+void CYTypeBlockWith::Output(CYOutput &out, CYPropertyName *name) const {
+ out << '(' << '^';
+ next_->Output(out, Precedence(), name, false);
+ out << ')' << '(' << parameters_ << ')';
+}
+
+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 CYNew::Output(std::ostream &out) const {
- out << "new";
- // XXX: I don't /always/ need this character
- out << ' ';
- constructor_->Output(out, Precedence());
- 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);
if (arguments_ != NULL)
- arguments_->Output(out);
- out << ')';
+ out << '(' << *arguments_ << ')';
}
-void CYNull::Output(std::ostream &out) const {
- CYWord::Output(out);
+} }
+
+void CYNull::Output(CYOutput &out, CYFlags flags) const {
+ out << "null";
}
-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());
+ std::string value(str.str());
+ out << value.c_str();
+ // XXX: this should probably also handle hex conversions and exponents
+ if ((flags & CYNoInteger) != 0 && value.find('.') == std::string::npos)
+ out << '.';
}
-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) {
+void CYScript::Output(CYOutput &out) const {
+ out << code_;
+}
+
+void CYProperty::Output(CYOutput &out) const {
+ if (next_ != NULL || out.pretty_)
out << ',';
- next_->Output(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, 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(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 CYRubyBlock::Output(CYOutput &out, CYFlags flags) const {
+ lhs_->Output(out, CYLeft(flags));
+ out << ' ';
+ proc_->Output(out, CYRight(flags));
}
-void CYSelectorPart::Output(std::ostream &out) const {
- if (name_ != NULL)
- out << *name_;
- if (value_)
- out << ':';
- if (next_ != NULL)
- next_->Output(out);
+void CYRubyProc::Output(CYOutput &out, CYFlags flags) const {
+ out << '{' << ' ' << '|' << parameters_ << '|' << '\n';
+ ++out.indent_;
+ out << code_;
+ --out.indent_;
+ out << '\t' << '}';
}
-void CYSource::Show(std::ostream &out) const {
- for (const CYSource *next(this); next != NULL; next = next->next_)
- next->Output(out, false);
+void CYSubscriptMember::Output(CYOutput &out, CYFlags flags) const {
+ object_->Output(out, Precedence(), CYLeft(flags));
+ out << "." << '[' << *property_ << ']';
}
-void CYSource::Output(std::ostream &out, bool block) const {
- if (!block && next_ == NULL)
- Output(out);
+void CYStatement::Multiple(CYOutput &out, CYFlags flags) const {
+ bool first(true);
+ CYForEach (next, this) {
+ bool last(next->next_ == NULL);
+ CYFlags jacks(first ? last ? flags : CYLeft(flags) : last ? CYRight(flags) : CYCenter(flags));
+ first = false;
+ out << '\t';
+ next->Output(out, jacks);
+ out << '\n';
+ }
+}
+
+void CYStatement::Single(CYOutput &out, CYFlags flags, CYCompactType request) const {
+ if (this == NULL)
+ return out.Terminate();
+
+ _assert(next_ == NULL);
+
+ CYCompactType compact(Compact());
+
+ if (compact >= request)
+ out << ' ';
else {
- out << '{';
- Show(out);
- out << '}';
+ out << '\n';
+ ++out.indent_;
+ out << '\t';
}
+
+ Output(out, flags);
+
+ if (compact < request)
+ --out.indent_;
}
-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;
+void CYString::Output(CYOutput &out, CYFlags flags) const {
+ std::ostringstream str;
+ CYStringify(str, value_, size_, CYStringifyModeLegacy);
+ out << str.str().c_str();
+}
- default:
- if (*value < 0x20 || *value >= 0x7f)
- out << "\\x" << std::setbase(16) << std::setw(2) << std::setfill('0') << unsigned(*value);
- else
- out << *value;
- }
- out << '\"';
+void CYString::PropertyName(CYOutput &out) const {
+ if (const char *word = Word())
+ out << word;
+ else
+ out << *this;
}
-void CYSwitch::Output(std::ostream &out) const {
- out << "switch(";
- value_->Output(out);
- out << "){";
- if (clauses_ != NULL)
- out << *clauses_;
- 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",
+
+ 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 CYThis::Output(std::ostream &out) const {
- CYWord::Output(out);
+void CYStructDefinition::Output(CYOutput &out, CYFlags flags) const {
+ out << "struct" << ' ' << *name_ << *tail_;
}
-void CYThrow::Output(std::ostream &out) const {
- out << "throw";
- if (value_ != NULL) {
- out << ' ';
- value_->Output(out);
+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_ << ')' << ' ' << '{' << '\n';
+ ++out.indent_;
+ out << clauses_;
+ --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 {
+ out << "this";
+}
+
+namespace cy {
+namespace Syntax {
+
+void Throw::Output(CYOutput &out, CYFlags flags) const {
+ out << "throw";
+ 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" << ' ';
+ 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 CYVariable::Output(std::ostream &out) const {
+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 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 CYWhile::Output(std::ostream &out) const {
- out << "while(";
- test_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYTypeVoid::Output(CYOutput &out) const {
+ out << "void";
}
-void CYWith::Output(std::ostream &out) const {
- out << "with(";
- scope_->Output(out);
- out << ')';
- code_->Output(out, false);
+void CYVar::Output(CYOutput &out, CYFlags flags) const {
+ out << "var" << ' ';
+ bindings_->Output(out, flags); // XXX: flags
+ out << ';';
}
-void CYWord::Output(std::ostream &out) const {
- out << Value();
+void CYVariable::Output(CYOutput &out, CYFlags flags) const {
+ out << *name_;
+}
+
+void CYWhile::Output(CYOutput &out, CYFlags flags) const {
+ 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), CYCompactShort);
+}
+
+void CYWord::Output(CYOutput &out) const {
+ out << Word();
+ if (out.options_.verbose_) {
+ out('@');
+ char number[32];
+ sprintf(number, "%p", this);
+ out(number);
+ }
+}
+
+void CYWord::PropertyName(CYOutput &out) const {
+ Output(out);
+}
+
+const char *CYWord::Word() const {
+ return word_;
}
projects / cycript.git / blobdiff