/* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2012 Jay Freeman (saurik)
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
*/
-/* GNU Lesser General Public License, Version 3 {{{ */
+/* GNU Affero 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 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.
- *
- * You should have received a copy of the GNU Lesser General Public License
- * along with Cycript. If not, see <http://www.gnu.org/licenses/>.
+ * 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 <iostream>
-#include <stack>
#include <string>
#include <vector>
#include <map>
#include <cstdio>
#include <cstdlib>
-#include "location.hh"
-
#include "List.hpp"
+#include "Location.hpp"
#include "Pooling.hpp"
#include "Options.hpp"
-class CYContext;
+struct CYContext;
struct CYThing {
virtual ~CYThing() {
}
struct CYStatement :
- CYNext<CYStatement>
+ CYNext<CYStatement>,
+ CYThing
{
virtual ~CYStatement() {
}
void Single(CYOutput &out, CYFlags flags) const;
void Multiple(CYOutput &out, CYFlags flags = CYNoFlags) const;
+ virtual void Output(CYOutput &out) const;
virtual CYStatement *Replace(CYContext &context) = 0;
struct CYScope {
bool transparent_;
-
- CYContext &context_;
- CYStatement *&statements_;
-
CYScope *parent_;
CYIdentifierAddressFlagsMap internal_;
CYIdentifierValueSet identifiers_;
- CYScope(bool transparent, CYContext &context, CYStatement *&statements);
- virtual ~CYScope();
-
- void Close();
+ CYScope(bool transparent, CYContext &context);
void Declare(CYContext &context, CYIdentifier *identifier, CYIdentifierFlags flags);
virtual CYIdentifier *Lookup(CYContext &context, CYIdentifier *identifier);
void Merge(CYContext &context, CYIdentifier *identifier);
- void Scope(CYContext &context, CYStatement *&statements);
+ void Close(CYContext &context, CYStatement *&statements);
};
struct CYProgram :
CYThing
{
- CYStatement *statements_;
+ CYStatement *code_;
- CYProgram(CYStatement *statements) :
- statements_(statements)
+ CYProgram(CYStatement *code) :
+ code_(code)
{
}
virtual ~CYContext() {
}
- template <typename Type_>
- void ReplaceAll(Type_ *&values) {
- Type_ **last(&values);
- CYForEach (next, values) {
- Replace(*last = next);
- if (*last != NULL)
- last = &(*last)->next_;
- }
+ void ReplaceAll(CYStatement *&statement) {
+ if (statement == NULL)
+ return;
+ CYStatement *next(statement->next_);
+
+ Replace(statement);
+ ReplaceAll(next);
+
+ if (statement == NULL)
+ statement = next;
+ else
+ statement->SetNext(next);
}
template <typename Type_>
};
struct CYBlock :
- CYStatement,
- CYThing
+ CYStatement
{
- CYStatement *statements_;
+ CYStatement *code_;
- CYBlock(CYStatement *statements) :
- statements_(statements)
+ CYBlock(CYStatement *code) :
+ code_(code)
{
}
- operator CYStatement *() const {
- return statements_;
- }
-
- void AddPrev(CYStatement *statement) {
- CYSetLast(statement) = statements_;
- statements_ = statement;
- }
-
virtual CYStatement *Replace(CYContext &context);
- virtual void Output(CYOutput &out) const;
virtual void Output(CYOutput &out, CYFlags flags) const;
};
-enum CYState {
- CYClear,
- CYRestricted,
- CYNewLine
-};
-
-class CYDriver {
- public:
- void *scanner_;
-
- CYState state_;
- std::stack<bool> in_;
-
- struct {
- bool AtImplementation;
- bool Function;
- bool OpenBrace;
- } no_;
-
- 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_;
-
- private:
- void ScannerInit();
- void ScannerDestroy();
-
- 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);
-};
-
struct CYForInitialiser {
virtual ~CYForInitialiser() {
}
virtual void Output(CYOutput &out, CYFlags flags) const = 0;
};
+struct CYFunctionParameter;
+
struct CYNumber;
struct CYString;
struct CYExpression :
- CYNext<CYExpression>,
CYForInitialiser,
CYForInInitialiser,
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;
virtual CYAssignment *Assignment(CYContext &context);
virtual CYExpression *Primitive(CYContext &context) {
- return this;
+ return NULL;
}
+ virtual CYFunctionParameter *Parameter() const;
+
virtual CYNumber *Number(CYContext &context) {
return NULL;
}
}
#define CYPrecedence(value) \
- static const unsigned Precedence_ = value; \
- virtual unsigned Precedence() const { \
+ static const int Precedence_ = value; \
+ virtual int Precedence() const { \
return Precedence_; \
}
struct CYCompound :
CYExpression
{
- CYExpression *expressions_;
+ CYExpression *expression_;
+ CYExpression *next_;
- CYCompound(CYExpression *expressions = NULL) :
- expressions_(expressions)
+ CYCompound(CYExpression *expression, CYExpression *next) :
+ expression_(expression),
+ next_(next)
{
- }
-
- void AddPrev(CYExpression *expression) {
- CYSetLast(expression) = expressions_;
- expressions_ = expression;
+ _assert(expression_ != NULL);
+ _assert(next != NULL);
}
CYPrecedence(17)
virtual CYExpression *Replace(CYContext &context);
void Output(CYOutput &out, CYFlags flags) const;
- virtual CYExpression *Primitive(CYContext &context);
+ virtual CYFunctionParameter *Parameter() const;
+};
+
+struct CYParenthetical :
+ CYExpression
+{
+ CYExpression *expression_;
+
+ CYParenthetical(CYExpression *expression) :
+ expression_(expression)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace(CYContext &context);
+ void Output(CYOutput &out, CYFlags flags) const;
};
struct CYDeclaration;
{
}
- void Replace(CYContext &context, CYBlock &code);
+ void Replace(CYContext &context, CYStatement *&statements);
void Output(CYOutput &out) const;
};
{
}
+ 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)
{
}
{
CYPrecedence(0)
CYRightHand(false)
+
+ virtual CYExpression *Primitive(CYContext &context) {
+ return this;
+ }
};
struct CYTrivial :
virtual CYExpression *Replace(CYContext &context);
virtual void Output(CYOutput &out, CYFlags flags) const;
+
+ virtual CYFunctionParameter *Parameter() const;
};
struct CYPrefix :
CYNext<CYClause>
{
CYExpression *case_;
- CYStatement *statements_;
+ CYStatement *code_;
- CYClause(CYExpression *_case, CYStatement *statements) :
+ CYClause(CYExpression *_case, CYStatement *code) :
case_(_case),
- statements_(statements)
+ code_(code)
{
}
void Replace(CYContext &context);
- CYCompound *Compound(CYContext &context);
+ CYExpression *Expression(CYContext &context);
CYProperty *Property(CYContext &context);
CYArgument *Argument(CYContext &context);
CYFunctionParameter *Parameter(CYContext &context);
{
}
- virtual CYCompound *Replace(CYContext &context);
+ virtual CYExpression *Replace(CYContext &context);
virtual void Output(CYOutput &out, CYFlags flags) const;
};
{
}
- virtual unsigned Precedence() const {
+ virtual int Precedence() const {
return arguments_ == NULL ? 2 : 1;
}
struct CYFunction {
CYIdentifier *name_;
CYFunctionParameter *parameters_;
- CYBlock code_;
+ CYStatement *code_;
CYNonLocal *nonlocal_;
CYThisScope this_;
- CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
+ CYFunction(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *code) :
name_(name),
parameters_(parameters),
- code_(statements),
+ code_(code),
nonlocal_(NULL)
{
}
CYFunction,
CYExpression
{
- CYFunctionExpression(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
- CYFunction(name, parameters, statements)
+ CYFunctionExpression(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *code) :
+ CYFunction(name, parameters, code)
{
}
CYFunction,
CYExpression
{
- CYFatArrow(CYFunctionParameter *parameters, CYStatement *statements) :
- CYFunction(NULL, parameters, statements)
+ CYFatArrow(CYFunctionParameter *parameters, CYStatement *code) :
+ CYFunction(NULL, parameters, code)
{
}
struct CYRubyProc :
CYFunctionExpression
{
- CYRubyProc(CYFunctionParameter *parameters, CYStatement *statements) :
- CYFunctionExpression(NULL, parameters, statements)
+ CYRubyProc(CYFunctionParameter *parameters, CYStatement *code) :
+ CYFunctionExpression(NULL, parameters, code)
{
}
CYFunction,
CYStatement
{
- CYFunctionStatement(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *statements) :
- CYFunction(name, parameters, statements)
+ CYFunctionStatement(CYIdentifier *name, CYFunctionParameter *parameters, CYStatement *code) :
+ CYFunction(name, parameters, code)
{
}
CYExpress(CYExpression *expression) :
expression_(expression)
{
- if (expression == NULL)
+ if (expression_ == NULL)
throw;
}
struct CYFinally :
CYThing
{
- CYBlock code_;
+ CYStatement *code_;
- CYFinally(CYStatement *statements) :
- code_(statements)
+ CYFinally(CYStatement *code) :
+ code_(code)
{
}
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 CYTypeFunctionWith;
+
+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;
+
+ virtual CYTypeFunctionWith *Function() { return NULL; }
+};
+
+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
+{
+ CYLocation location_;
+ CYIdentifier *identifier_;
+ CYTypeSpecifier *specifier_;
+ CYTypeModifier *modifier_;
+
+ CYTypedIdentifier(const CYLocation &location, CYIdentifier *identifier = NULL) :
+ location_(location),
+ 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;
+
+ CYTypeFunctionWith *Function();
+};
+
+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 *code_;
+
+ CYLambda(CYTypedIdentifier *typed, CYTypedParameter *parameters, CYStatement *code) :
+ typed_(typed),
+ parameters_(parameters),
+ code_(code)
+ {
+ }
+
+ CYPrecedence(1)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYModule :
+ CYNext<CYModule>,
+ CYThing
+{
+ CYWord *part_;
+
+ CYModule(CYWord *part, CYModule *next = NULL) :
+ CYNext<CYModule>(next),
+ part_(part)
+ {
+ }
+
+ CYString *Replace(CYContext &context, const char *separator) const;
+ void Output(CYOutput &out) const;
+};
+
+struct CYImport :
+ CYStatement
+{
+ CYModule *module_;
+
+ CYImport(CYModule *module) :
+ module_(module)
+ {
+ }
+
+ virtual CYStatement *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYExternal :
+ CYStatement
+{
+ CYString *abi_;
+ CYTypedIdentifier *typed_;
+
+ CYExternal(CYString *abi, CYTypedIdentifier *typed) :
+ abi_(abi),
+ typed_(typed)
+ {
+ }
+
+ virtual CYStatement *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;
+
+ virtual CYTypeFunctionWith *Function() { return this; }
+};
+
namespace cy {
namespace Syntax {
CYThing
{
CYIdentifier *name_;
- CYBlock code_;
+ CYStatement *code_;
- Catch(CYIdentifier *name, CYStatement *statements) :
+ Catch(CYIdentifier *name, CYStatement *code) :
name_(name),
- code_(statements)
+ code_(code)
{
}
struct Try :
CYStatement
{
- CYBlock code_;
+ CYStatement *code_;
Catch *catch_;
CYFinally *finally_;
- Try(CYStatement *statements, Catch *_catch, CYFinally *finally) :
- code_(statements),
+ Try(CYStatement *code, Catch *_catch, CYFinally *finally) :
+ code_(code),
catch_(_catch),
finally_(finally)
{
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)