/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2012 Jay Freeman (saurik)
+ * Copyright (C) 2009-2013 Jay Freeman (saurik)
*/
-/* GNU Lesser General Public License, Version 3 {{{ */
+/* GNU General Public License, Version 3 {{{ */
/*
- * Cycript is free software: you can redistribute it and/or modify it under
- * the terms of the GNU Lesser General Public License as published by the
- * Free Software Foundation, either version 3 of the License, or (at your
- * option) any later version.
+ * Cycript is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 3 of the License,
+ * or (at your option) any later version.
*
- * Cycript 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 Lesser General Public
- * License for more details.
+ * Cycript 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 General Public License for more details.
*
- * You should have received a copy of the GNU Lesser General Public License
+ * You should have received a copy of the GNU General Public License
* along with Cycript. If not, see <http://www.gnu.org/licenses/>.
**/
/* }}} */
#include <iostream>
-#include <stack>
#include <string>
#include <vector>
#include <map>
#include <cstdio>
#include <cstdlib>
-#include "location.hh"
-
#include "List.hpp"
#include "Pooling.hpp"
#include "Options.hpp"
-class CYContext;
+struct CYContext;
struct CYThing {
virtual ~CYThing() {
};
struct CYNonLocal;
+struct CYThisScope;
struct CYContext {
CYOptions &options_;
CYScope *scope_;
+ CYThisScope *this_;
+
CYIdentifierUsageVector rename_;
CYNonLocal *nonlocal_;
CYContext(CYOptions &options) :
options_(options),
scope_(NULL),
+ this_(NULL),
nonlocal_(NULL),
nextlocal_(NULL),
unique_(0)
}
};
+struct CYThisScope :
+ CYNext<CYThisScope>
+{
+ CYIdentifier *identifier_;
+
+ CYThisScope() :
+ identifier_(NULL)
+ {
+ }
+
+ CYIdentifier *Identifier(CYContext &context) {
+ if (next_ != NULL)
+ return next_->Identifier(context);
+ if (identifier_ == NULL)
+ identifier_ = context.Unique();
+ return identifier_;
+ }
+};
+
struct CYBlock :
CYStatement,
CYThing
}
void AddPrev(CYStatement *statement) {
- CYSetLast(statement, statements_);
+ CYSetLast(statement) = statements_;
statements_ = statement;
}
virtual void Output(CYOutput &out, CYFlags flags) const;
};
-enum CYState {
- CYClear,
- CYRestricted,
- CYNewLine
-};
-
-class CYDriver {
- public:
- void *scanner_;
-
- CYState state_;
- bool nobrace_;
- std::stack<bool> in_;
-
- const char *data_;
- size_t size_;
- FILE *file_;
-
- bool strict_;
-
- enum Condition {
- RegExpCondition,
- XMLContentCondition,
- XMLTagCondition,
- };
-
- std::string filename_;
-
- struct Error {
- bool warning_;
- cy::location location_;
- std::string message_;
- };
-
- typedef std::vector<Error> Errors;
-
- CYProgram *program_;
- Errors errors_;
-
- bool auto_;
-
- struct Context {
- CYExpression *context_;
-
- Context(CYExpression *context) :
- context_(context)
- {
- }
-
- typedef std::vector<CYWord *> Words;
- Words words_;
- };
-
- typedef std::vector<Context> Contexts;
- Contexts contexts_;
-
- CYExpression *context_;
-
- enum Mode {
- AutoNone,
- AutoPrimary,
- AutoDirect,
- AutoIndirect,
- AutoMessage
- } mode_;
-
+class CYStream :
+ public std::istream
+{
private:
- void ScannerInit();
- void ScannerDestroy();
+ class CYBuffer :
+ public std::streambuf
+ {
+ public:
+ CYBuffer(const char *start, const char *end) {
+ setg(const_cast<char *>(start), const_cast<char *>(start), const_cast<char *>(end));
+ }
+ } buffer_;
public:
- CYDriver(const std::string &filename = "");
- ~CYDriver();
-
- Condition GetCondition();
- void SetCondition(Condition condition);
-
- void PushCondition(Condition condition);
- void PopCondition();
-
- void Warning(const cy::location &location, const char *message);
+ CYStream(const char *start, const char *end) :
+ std::istream(&buffer_),
+ buffer_(start, end)
+ {
+ }
};
struct CYForInitialiser {
CYClassName,
CYThing
{
- virtual unsigned Precedence() const = 0;
+ virtual int Precedence() const = 0;
virtual bool RightHand() const {
return true;
virtual void Output(CYOutput &out) const;
virtual void Output(CYOutput &out, CYFlags flags) const = 0;
- void Output(CYOutput &out, unsigned precedence, CYFlags flags) const;
+ void Output(CYOutput &out, int precedence, CYFlags flags) const;
virtual CYExpression *ClassName(CYContext &context, bool object);
virtual void ClassName(CYOutput &out, bool object) const;
}
#define CYPrecedence(value) \
- static const unsigned Precedence_ = value; \
- virtual unsigned Precedence() const { \
+ static const int Precedence_ = value; \
+ virtual int Precedence() const { \
return Precedence_; \
}
}
void AddPrev(CYExpression *expression) {
- CYSetLast(expression, expressions_);
+ CYSetLast(expression) = expressions_;
expressions_ = expression;
}
{
}
+ CYComprehension *Modify(CYComprehension *next) {
+ next_ = next;
+ return this;
+ }
+
virtual const char *Name() const = 0;
virtual CYFunctionParameter *Parameter(CYContext &context) const = 0;
{
CYExpression *test_;
- CYIfComprehension(CYExpression *test) :
+ CYIfComprehension(CYExpression *test, CYComprehension *next = NULL) :
+ CYComprehension(next),
test_(test)
{
}
{
}
- virtual unsigned Precedence() const {
+ virtual int Precedence() const {
return arguments_ == NULL ? 2 : 1;
}
CYIdentifier *name_;
CYFunctionParameter *parameters_;
CYBlock code_;
+
CYNonLocal *nonlocal_;
+ CYThisScope this_;
CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
name_(name),
virtual void Output(CYOutput &out, CYFlags flags) const;
};
+// XXX: this should derive from CYAnonymousFunction
+struct CYFatArrow :
+ CYFunction,
+ CYExpression
+{
+ CYFatArrow(CYFunctionParameter *parameters, CYStatement *statements) :
+ CYFunction(NULL, parameters, statements)
+ {
+ }
+
+ CYPrecedence(0)
+ CYRightHand(false)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
// XXX: this should derive from CYAnonymousFunctionExpression
struct CYRubyProc :
CYFunctionExpression
virtual void Output(CYOutput &out) const;
};
+struct CYTypeSpecifier :
+ CYThing
+{
+ virtual CYExpression *Replace(CYContext &context) = 0;
+};
+
+struct CYTypeError :
+ CYTypeSpecifier
+{
+ CYTypeError() {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeVoid :
+ CYTypeSpecifier
+{
+ CYTypeVoid() {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeVariable :
+ CYTypeSpecifier
+{
+ CYIdentifier *name_;
+
+ CYTypeVariable(CYIdentifier *name) :
+ name_(name)
+ {
+ }
+
+ CYTypeVariable(const char *name) :
+ name_(new($pool) CYIdentifier(name))
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeUnsigned :
+ CYTypeSpecifier
+{
+ CYTypeSpecifier *specifier_;
+
+ CYTypeUnsigned(CYTypeSpecifier *specifier) :
+ specifier_(specifier)
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeSigned :
+ CYTypeSpecifier
+{
+ CYTypeSpecifier *specifier_;
+
+ CYTypeSigned(CYTypeSpecifier *specifier) :
+ specifier_(specifier)
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeLong :
+ CYTypeSpecifier
+{
+ CYTypeSpecifier *specifier_;
+
+ CYTypeLong(CYTypeSpecifier *specifier) :
+ specifier_(specifier)
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeShort :
+ CYTypeSpecifier
+{
+ CYTypeSpecifier *specifier_;
+
+ CYTypeShort(CYTypeSpecifier *specifier) :
+ specifier_(specifier)
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYTypeModifier :
+ CYNext<CYTypeModifier>
+{
+ CYTypeModifier(CYTypeModifier *next) :
+ CYNext<CYTypeModifier>(next)
+ {
+ }
+
+ virtual int Precedence() const = 0;
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type) = 0;
+ CYExpression *Replace(CYContext &context, CYExpression *type);
+
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const = 0;
+ void Output(CYOutput &out, int precedence, CYIdentifier *identifier) const;
+};
+
+struct CYTypeArrayOf :
+ CYTypeModifier
+{
+ CYExpression *size_;
+
+ CYTypeArrayOf(CYExpression *size, CYTypeModifier *next = NULL) :
+ CYTypeModifier(next),
+ size_(size)
+ {
+ }
+
+ CYPrecedence(1)
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type);
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const;
+};
+
+struct CYTypeConstant :
+ CYTypeModifier
+{
+ CYTypeConstant(CYTypeModifier *next = NULL) :
+ CYTypeModifier(next)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type);
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const;
+};
+
+struct CYTypePointerTo :
+ CYTypeModifier
+{
+ CYTypePointerTo(CYTypeModifier *next = NULL) :
+ CYTypeModifier(next)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type);
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const;
+};
+
+struct CYTypeVolatile :
+ CYTypeModifier
+{
+ CYTypeVolatile(CYTypeModifier *next = NULL) :
+ CYTypeModifier(next)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type);
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const;
+};
+
+struct CYTypedIdentifier :
+ CYNext<CYTypedIdentifier>,
+ CYThing
+{
+ CYIdentifier *identifier_;
+ CYTypeSpecifier *specifier_;
+ CYTypeModifier *modifier_;
+
+ CYTypedIdentifier(CYIdentifier *identifier = NULL) :
+ identifier_(identifier),
+ specifier_(NULL),
+ modifier_(NULL)
+ {
+ }
+
+ CYTypedIdentifier(CYTypeSpecifier *specifier, CYTypeModifier *modifier = NULL) :
+ identifier_(NULL),
+ specifier_(specifier),
+ modifier_(modifier)
+ {
+ }
+
+ inline CYTypedIdentifier *Modify(CYTypeModifier *modifier) {
+ CYSetLast(modifier_) = modifier;
+ return this;
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYEncodedType :
+ CYExpression
+{
+ CYTypedIdentifier *typed_;
+
+ CYEncodedType(CYTypedIdentifier *typed) :
+ typed_(typed)
+ {
+ }
+
+ CYPrecedence(1)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYTypedParameter :
+ CYNext<CYTypedParameter>,
+ CYThing
+{
+ CYTypedIdentifier *typed_;
+
+ CYTypedParameter(CYTypedIdentifier *typed, CYTypedParameter *next) :
+ CYNext<CYTypedParameter>(next),
+ typed_(typed)
+ {
+ }
+
+ CYArgument *Argument(CYContext &context);
+ CYFunctionParameter *Parameters(CYContext &context);
+ CYExpression *TypeSignature(CYContext &context, CYExpression *prefix);
+
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYLambda :
+ CYExpression
+{
+ CYTypedIdentifier *typed_;
+ CYTypedParameter *parameters_;
+ CYStatement *statements_;
+
+ CYLambda(CYTypedIdentifier *typed, CYTypedParameter *parameters, CYStatement *statements) :
+ typed_(typed),
+ parameters_(parameters),
+ statements_(statements)
+ {
+ }
+
+ CYPrecedence(1)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYTypeDefinition :
+ CYStatement
+{
+ CYTypedIdentifier *typed_;
+
+ CYTypeDefinition(CYTypedIdentifier *typed) :
+ typed_(typed)
+ {
+ }
+
+ virtual CYStatement *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYTypeBlockWith :
+ CYTypeModifier
+{
+ CYTypedParameter *parameters_;
+
+ CYTypeBlockWith(CYTypedParameter *parameters, CYTypeModifier *next = NULL) :
+ CYTypeModifier(next),
+ parameters_(parameters)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type);
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const;
+};
+
+struct CYTypeFunctionWith :
+ CYTypeModifier
+{
+ CYTypedParameter *parameters_;
+
+ CYTypeFunctionWith(CYTypedParameter *parameters, CYTypeModifier *next = NULL) :
+ CYTypeModifier(next),
+ parameters_(parameters)
+ {
+ }
+
+ CYPrecedence(1)
+
+ virtual CYExpression *Replace_(CYContext &context, CYExpression *type);
+ virtual void Output(CYOutput &out, CYIdentifier *identifier) const;
+};
+
namespace cy {
namespace Syntax {
CYPrefix_(false, "~", BitwiseNot)
CYPrefix_(false, "!", LogicalNot)
-CYInfix_(false, 5, "*", Multiply)
+CYInfix_(false, 5, "*", Multiply, CYReplace)
CYInfix_(false, 5, "/", Divide)
CYInfix_(false, 5, "%", Modulus)
CYInfix_(false, 6, "+", Add, CYReplace)
projects / cycript.git / blobdiff