-/* 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 <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;
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 (value_ != NULL)
- out << "case" << ' ' << *value_;
- else
+ if (value_ == NULL)
out << "default";
+ else {
+ out << "case" << ' ';
+ value_->Output(out, CYNoColon);
+ }
out << ':' << '\n';
++out.indent_;
out << code_;
Output(out, flags);
}
-void CYExternal::Output(CYOutput &out, CYFlags flags) const {
- out << "extern" << abi_ << typed_;
+void CYExtend::Output(CYOutput &out, CYFlags flags) const {
+ lhs_->Output(out, CYLeft(flags));
+ out << ' ' << object_;
+}
+
+void CYExternalDefinition::Output(CYOutput &out, CYFlags flags) const {
+ out << "extern" << ' ' << abi_ << ' ';
+ type_->Output(out, name_);
out.Terminate();
}
+void CYExternalExpression::Output(CYOutput &out, CYFlags flags) const {
+ out << '(' << "extern" << ' ' << abi_ << ' ';
+ type_->Output(out, name_);
+ out << ')';
+}
+
void CYFatArrow::Output(CYOutput &out, CYFlags flags) const {
out << '(' << parameters_ << ')' << ' ' << "=>" << ' ' << '{' << code_ << '}';
}
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));
_assert(false);
}
-void CYTypeArrayOf::Output(CYOutput &out, CYIdentifier *identifier) const {
- next_->Output(out, Precedence(), identifier);
+void CYTypeArrayOf::Output(CYOutput &out, CYPropertyName *name) const {
+ next_->Output(out, Precedence(), name, false);
out << '[';
out << size_;
out << ']';
}
-void CYTypeBlockWith::Output(CYOutput &out, CYIdentifier *identifier) const {
+void CYTypeBlockWith::Output(CYOutput &out, CYPropertyName *name) const {
out << '(' << '^';
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), name, false);
out << ')' << '(' << parameters_ << ')';
}
-void CYTypeConstant::Output(CYOutput &out, CYIdentifier *identifier) const {
- out << "const" << ' ';
- next_->Output(out, Precedence(), identifier);
+void CYTypeConstant::Output(CYOutput &out, CYPropertyName *name) const {
+ out << "const";
+ next_->Output(out, Precedence(), name, false);
}
-void CYTypeFunctionWith::Output(CYOutput &out, CYIdentifier *identifier) const {
- next_->Output(out, Precedence(), identifier);
- out << '(' << parameters_ << ')';
+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, CYIdentifier *identifier) const {
+void CYTypePointerTo::Output(CYOutput &out, CYPropertyName *name) const {
out << '*';
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), name, false);
}
-void CYTypeVolatile::Output(CYOutput &out, CYIdentifier *identifier) const {
+void CYTypeVolatile::Output(CYOutput &out, CYPropertyName *name) const {
out << "volatile";
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), name, true);
}
-void CYTypeModifier::Output(CYOutput &out, int precedence, CYIdentifier *identifier) const {
+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) {
- out << identifier;
+ name->PropertyName(out);
return;
}
if (protect)
out << '(';
- Output(out, identifier);
+ Output(out, name);
if (protect)
out << ')';
}
-void CYTypedIdentifier::Output(CYOutput &out) const {
- specifier_->Output(out);
- modifier_->Output(out, 0, identifier_);
+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 {
}
void CYTypedParameter::Output(CYOutput &out) const {
- out << typed_;
+ type_->Output(out, name_);
if (next_ != NULL)
out << ',' << ' ' << next_;
}
}
void CYTypeDefinition::Output(CYOutput &out, CYFlags flags) const {
- out << "typedef" << ' ' << *typed_;
+ out << "typedef" << ' ';
+ type_->Output(out, name_);
out.Terminate();
}
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) {
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();
}
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 << '\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 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 CYTypeLong::Output(CYOutput &out) const {
- out << "long" << specifier_;
-}
+void CYTypeInt128::Output(CYOutput &out) const {
+ switch (signing_) {
+ case CYTypeNeutral: break;
+ case CYTypeSigned: out << "signed" << ' '; break;
+ case CYTypeUnsigned: out << "unsigned" << ' '; break;
+ }
-void CYTypeShort::Output(CYOutput &out) const {
- out << "short" << specifier_;
+ out << "__int128";
}
-void CYTypeSigned::Output(CYOutput &out) const {
- out << "signed" << 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 CYTypeStruct::Output(CYOutput &out) const {
- out << "struct" << ' ';
+ out << "struct";
if (name_ != NULL)
- out << *name_ << ' ';
- out << '{' << '\n';
- ++out.indent_;
- CYForEach (field, fields_) {
- out << '\t' << *field->typed_;
- out.Terminate();
- out << '\n';
- }
- --out.indent_;
- out << '}';
+ out << ' ' << *name_;
+ else
+ out << *tail_;
}
-void CYTypeUnsigned::Output(CYOutput &out) const {
- out << "unsigned" << specifier_;
+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 {
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