-/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2015 Jay Freeman (saurik)
+/* Cycript - The Truly Universal Scripting Language
+ * Copyright (C) 2009-2016 Jay Freeman (saurik)
*/
/* GNU Affero General Public License, Version 3 {{{ */
**/
/* }}} */
-#include "cycript.hpp"
-#include "Parser.hpp"
-
+#include <cmath>
+#include <iomanip>
#include <sstream>
+#include "Syntax.hpp"
+
+void CYStringify(std::ostringstream &str, const char *data, size_t size, bool c) {
+ bool single;
+ if (c)
+ single = false;
+ else {
+ unsigned quot(0), apos(0);
+ for (const char *value(data), *end(data + size); value != end; ++value)
+ if (*value == '"')
+ ++quot;
+ else if (*value == '\'')
+ ++apos;
+
+ single = quot > apos;
+ }
+
+ str << (single ? '\'' : '"');
+
+ for (const char *value(data), *end(data + size); value != end; ++value)
+ switch (uint8_t next = *value) {
+ case '\\': str << "\\\\"; break;
+ case '\b': str << "\\b"; break;
+ case '\f': str << "\\f"; break;
+ case '\n': str << "\\n"; break;
+ case '\r': str << "\\r"; break;
+ case '\t': str << "\\t"; break;
+ case '\v': str << "\\v"; break;
+
+ case '"':
+ if (!single)
+ str << "\\\"";
+ else goto simple;
+ break;
+
+ case '\'':
+ if (single)
+ str << "\\'";
+ else goto simple;
+ break;
+
+ case '\0':
+ if (value[1] >= '0' && value[1] <= '9')
+ str << "\\x00";
+ else
+ str << "\\0";
+ break;
+
+ default:
+ if (next >= 0x20 && next < 0x7f) simple:
+ str << *value;
+ 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);
+ }
+ }
+ }
+
+ str << (single ? '\'' : '"');
+}
+
+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;
} }
+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 (next_ == NULL)
expression_->Output(out, 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, CYAssign::Precedence_, CYNoFlags);
+ true_->Output(out, CYAssign::Precedence_, CYNoColon);
out << ' ' << ':' << ' ';
false_->Output(out, CYAssign::Precedence_, CYRight(flags));
}
void CYClause::Output(CYOutput &out) const {
out << '\t';
- if (case_ != NULL)
- out << "case" << ' ' << *case_;
- else
+ if (value_ == NULL)
out << "default";
+ else {
+ out << "case" << ' ';
+ value_->Output(out, CYNoColon);
+ }
out << ':' << '\n';
++out.indent_;
out << code_;
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_;
//out.out_ << ':' << identifier_->usage_ << '#' << identifier_->offset_;
- if (initialiser_ != NULL) {
+ if (initializer_ != NULL) {
out << ' ' << '=' << ' ';
- initialiser_->Output(out, CYAssign::Precedence_, CYRight(flags));
+ initializer_->Output(out, CYAssign::Precedence_, CYRight(flags));
}
}
-void CYForDeclarations::Output(CYOutput &out, CYFlags flags) const {
- out << "var" << ' ';
- declarations_->Output(out, CYRight(flags));
-}
-
-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);
for (;;) {
- CYDeclarations *next(declaration->next_);
+ CYBindings *next(binding->next_);
CYFlags jacks(first ? CYLeft(flags) : next == NULL ? CYRight(flags) : CYCenter(flags));
first = false;
- declaration->declaration_->Output(out, jacks);
+ binding->binding_->Output(out, jacks);
if (next == NULL)
break;
out << ',' << ' ';
- declaration = next;
+ binding = next;
}
}
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, CYAssign::Precedence_, CYNoFlags);
if (next_ != NULL || value_ == NULL) {
out << ',';
- if (next_ != NULL && next_->value_ != NULL)
+ if (next_ != NULL && !next_->Elision())
out << ' ';
}
if (next_ != NULL)
out.Terminate();
}
-void CYExpress::Output(CYOutput &out, CYFlags flags) const {
- expression_->Output(out, flags | CYNoBF);
- out << ';';
-}
-
-void CYExpression::ClassName(CYOutput &out, bool object) const {
- Output(out, CYAssign::Precedence_, CYNoFlags);
+void CYEval::Output(CYOutput &out, CYFlags flags) const {
+ _assert(false);
}
-void CYExpression::ForIn(CYOutput &out, CYFlags flags) const {
- Output(out, flags | CYNoRightHand);
+void CYExpress::Output(CYOutput &out, CYFlags flags) const {
+ expression_->Output(out, flags | CYNoBFC);
+ out << ';';
}
void CYExpression::Output(CYOutput &out) const {
Output(out, flags);
}
+void CYExtend::Output(CYOutput &out, CYFlags flags) const {
+ lhs_->Output(out, CYLeft(flags));
+ out << ' ' << object_;
+}
+
void CYExternal::Output(CYOutput &out, CYFlags flags) const {
- out << "extern" << abi_ << typed_ << ';';
+ out << "extern" << abi_ << typed_;
+ out.Terminate();
}
void CYFatArrow::Output(CYOutput &out, CYFlags flags) const {
void CYFor::Output(CYOutput &out, CYFlags flags) const {
out << "for" << ' ' << '(';
- if (initialiser_ != NULL)
- initialiser_->Output(out, CYNoIn);
+ if (initializer_ != NULL)
+ initializer_->Output(out, CYNoIn);
out.Terminate();
if (test_ != NULL)
out << ' ';
code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYForOf::Output(CYOutput &out, CYFlags flags) const {
- out << "for" << ' ' << "each" << ' ' << '(';
- initialiser_->ForIn(out, CYNoIn);
- out << ' ' << "in" << ' ' << *set_ << ')';
+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" << ' ' << '(';
+ initializer_->Output(out, CYNoIn | CYNoRightHand);
+ out << ' ' << "in" << ' ' << *iterable_ << ')';
code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYForOfComprehension::Output(CYOutput &out) const {
- out << "for" << ' ' << "each" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')' << next_;
+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 CYForIn::Output(CYOutput &out, CYFlags flags) const {
+void CYForInComprehension::Output(CYOutput &out) const {
out << "for" << ' ' << '(';
- if (initialiser_ != NULL)
- initialiser_->ForIn(out, CYNoIn);
- out << ' ' << "in" << ' ' << *set_ << ')';
+ binding_->Output(out, CYNoIn | CYNoRightHand);
+ out << ' ' << "in" << ' ' << *iterable_ << ')';
+}
+
+void CYForOf::Output(CYOutput &out, CYFlags flags) const {
+ out << "for" << ' ' << '(';
+ initializer_->Output(out, CYNoRightHand);
+ out << ' ' << "of" << ' ' << *iterable_ << ')';
code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYForInComprehension::Output(CYOutput &out) const {
- out << "for" << ' ' << '(' << *name_ << ' ' << "in" << ' ' << *set_ << ')';
+void CYForOfComprehension::Output(CYOutput &out) const {
+ out << "for" << ' ' << '(';
+ binding_->Output(out, CYNoRightHand);
+ out << ' ' << "of" << ' ' << *iterable_ << ')' << next_;
}
-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 << '(';
- out << "function";
- if (name_ != NULL)
- out << ' ' << *name_;
+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' << '}';
- if (protect)
- out << ')';
}
void CYFunctionExpression::Output(CYOutput &out, CYFlags flags) const {
- CYFunction::Output(out, flags);
+ // 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 {
- CYFunction::Output(out, flags);
+ out << "function" << ' ' << *name_;
+ CYFunction::Output(out);
}
void CYFunctionParameter::Output(CYOutput &out) const {
- initialiser_->Output(out, CYNoFlags);
+ 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 {
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())
void CYTypeFunctionWith::Output(CYOutput &out, CYIdentifier *identifier) const {
next_->Output(out, Precedence(), identifier);
- out << '(' << parameters_ << ')';
+ out << '(' << parameters_;
+ if (variadic_) {
+ if (parameters_ != NULL)
+ out << ',' << ' ';
+ out << "...";
+ }
+ out << ')';
}
void CYTypePointerTo::Output(CYOutput &out, CYIdentifier *identifier) const {
void CYTypeDefinition::Output(CYOutput &out, CYFlags flags) const {
out << "typedef" << ' ' << *typed_;
+ out.Terminate();
}
-void CYLetStatement::Output(CYOutput &out, CYFlags flags) const {
- out << "let" << ' ' << '(' << *declarations_ << ')';
- code_->Single(out, CYRight(flags), CYCompactShort);
+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 {
}
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, CYAssign::Precedence_, CYNoFlags);
- if (next_ != NULL)
- out << ',' << '\n' << *next_;
- else
- out << '\n';
+ 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)
}
void CYRubyBlock::Output(CYOutput &out, CYFlags flags) const {
- call_->Output(out, CYLeft(flags));
+ lhs_->Output(out, CYLeft(flags));
out << ' ';
proc_->Output(out, CYRight(flags));
}
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);
CYForEach (next, this) {
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->typed_;
+ out.Terminate();
+ out << '\n';
+ }
+ --out.indent_;
+ out << '}';
+}
+
+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 << '\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";
}
} }
-void CYTypeError::Output(CYOutput &out) const {
- out << "@error";
+void CYTypeCharacter::Output(CYOutput &out) const {
+ switch (signing_) {
+ case CYTypeNeutral: break;
+ case CYTypeSigned: out << "signed" << ' '; break;
+ case CYTypeUnsigned: out << "unsigned" << ' '; break;
+ }
+
+ out << "char";
}
-void CYTypeLong::Output(CYOutput &out) const {
- out << "long" << specifier_;
+void CYTypeError::Output(CYOutput &out) const {
+ out << "@error";
}
-void CYTypeShort::Output(CYOutput &out) const {
- out << "short" << specifier_;
+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 CYTypeSigned::Output(CYOutput &out) const {
- out << "signed" << specifier_;
+void CYTypeStruct::Output(CYOutput &out) const {
+ out << "struct";
+ if (name_ != NULL)
+ out << ' ' << *name_;
+ else
+ out << *tail_;
}
-void CYTypeUnsigned::Output(CYOutput &out) const {
- out << "unsigned" << specifier_;
+void CYTypeReference::Output(CYOutput &out) const {
+ out << "struct" << ' ' << *name_;
}
void CYTypeVariable::Output(CYOutput &out) const {
void CYVar::Output(CYOutput &out, CYFlags flags) const {
out << "var" << ' ';
- declarations_->Output(out, flags);
+ bindings_->Output(out, flags); // XXX: flags
out << ';';
}
code_->Single(out, CYRight(flags), CYCompactShort);
}
-void CYWord::ClassName(CYOutput &out, bool object) const {
- if (object)
- out << "objc_getClass(";
- out << '"' << Word() << '"';
- if (object)
- out << ')';
-}
-
void CYWord::Output(CYOutput &out) const {
out << Word();
if (out.options_.verbose_) {
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