-/* 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"
+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;
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 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();
}
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 CYTypeArrayOf::Output(CYOutput &out, CYIdentifier *identifier) const {
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), identifier, false);
out << '[';
out << size_;
out << ']';
void CYTypeBlockWith::Output(CYOutput &out, CYIdentifier *identifier) const {
out << '(' << '^';
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), identifier, false);
out << ')' << '(' << parameters_ << ')';
}
void CYTypeConstant::Output(CYOutput &out, CYIdentifier *identifier) const {
- out << "const" << ' ';
- next_->Output(out, Precedence(), identifier);
+ out << "const";
+ next_->Output(out, Precedence(), identifier, false);
}
void CYTypeFunctionWith::Output(CYOutput &out, CYIdentifier *identifier) const {
- next_->Output(out, Precedence(), identifier);
- out << '(' << parameters_ << ')';
+ next_->Output(out, Precedence(), identifier, false);
+ out << '(' << parameters_;
+ if (variadic_) {
+ if (parameters_ != NULL)
+ out << ',' << ' ';
+ out << "...";
+ }
+ out << ')';
}
void CYTypePointerTo::Output(CYOutput &out, CYIdentifier *identifier) const {
out << '*';
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), identifier, false);
}
void CYTypeVolatile::Output(CYOutput &out, CYIdentifier *identifier) const {
out << "volatile";
- next_->Output(out, Precedence(), identifier);
+ next_->Output(out, Precedence(), identifier, true);
}
-void CYTypeModifier::Output(CYOutput &out, int precedence, CYIdentifier *identifier) const {
+void CYTypeModifier::Output(CYOutput &out, int precedence, CYIdentifier *identifier, bool space) const {
+ if (this == NULL && identifier == NULL)
+ return;
+ else if (space)
+ out << ' ';
+
if (this == NULL) {
out << identifier;
return;
void CYTypedIdentifier::Output(CYOutput &out) const {
specifier_->Output(out);
- modifier_->Output(out, 0, identifier_);
+ modifier_->Output(out, 0, identifier_, true);
}
void CYEncodedType::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 << '\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 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;
+ }
-void CYTypeLong::Output(CYOutput &out) const {
- out << "long" << specifier_;
+ out << "char";
}
-void CYTypeShort::Output(CYOutput &out) const {
- out << "short" << specifier_;
+void CYTypeError::Output(CYOutput &out) const {
+ out << "@error";
}
-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 {
+ out << "struct" << ' ' << *name_;
}
void CYTypeVariable::Output(CYOutput &out) const {
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