+/* GNU Lesser 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/>.
+**/
+/* }}} */
+
+#ifndef CYCRIPT_PARSER_HPP
+#define CYCRIPT_PARSER_HPP
+
+#include <iostream>
+
+#include <stack>
+#include <string>
+#include <vector>
+#include <map>
+#include <set>
+
+#include <cstdio>
+#include <cstdlib>
+
+#include "location.hh"
+
+#include "List.hpp"
+#include "Pooling.hpp"
+#include "Options.hpp"
+
+class CYContext;
+
+struct CYThing {
+ virtual ~CYThing() {
+ }
+
+ virtual void Output(struct CYOutput &out) const = 0;
+};
+
+struct CYOutput {
+ std::ostream &out_;
+ CYOptions &options_;
+ bool pretty_;
+ unsigned indent_;
+ bool right_;
+
+ enum {
+ NoMode,
+ NoLetter,
+ NoPlus,
+ NoHyphen,
+ Terminated
+ } mode_;
+
+ CYOutput(std::ostream &out, CYOptions &options) :
+ out_(out),
+ options_(options),
+ pretty_(false),
+ indent_(0),
+ right_(false),
+ mode_(NoMode)
+ {
+ }
+
+ void Check(char value);
+ void Terminate();
+
+ CYOutput &operator <<(char rhs);
+ CYOutput &operator <<(const char *rhs);
+
+ _finline CYOutput &operator <<(const CYThing *rhs) {
+ if (rhs != NULL)
+ rhs->Output(*this);
+ return *this;
+ }
+
+ _finline CYOutput &operator <<(const CYThing &rhs) {
+ rhs.Output(*this);
+ return *this;
+ }
+};
+
+struct CYPropertyName {
+ virtual void PropertyName(CYOutput &out) const = 0;
+
+ virtual ~CYPropertyName() {
+ }
+};
+
+struct CYExpression;
+struct CYAssignment;
+
+enum CYNeeded {
+ CYNever = -1,
+ CYSometimes = 0,
+ CYAlways = 1,
+};
+
+enum CYFlags {
+ CYNoFlags = 0,
+ CYNoBrace = (1 << 0),
+ CYNoFunction = (1 << 1),
+ CYNoIn = (1 << 2),
+ CYNoCall = (1 << 3),
+ CYNoRightHand = (1 << 4),
+ CYNoDangle = (1 << 5),
+ CYNoInteger = (1 << 6),
+ CYNoBF = (CYNoBrace | CYNoFunction),
+};
+
+_finline CYFlags operator ~(CYFlags rhs) {
+ return static_cast<CYFlags>(~static_cast<unsigned>(rhs));
+}
+
+_finline CYFlags operator &(CYFlags lhs, CYFlags rhs) {
+ return static_cast<CYFlags>(static_cast<unsigned>(lhs) & static_cast<unsigned>(rhs));
+}
+
+_finline CYFlags operator |(CYFlags lhs, CYFlags rhs) {
+ return static_cast<CYFlags>(static_cast<unsigned>(lhs) | static_cast<unsigned>(rhs));
+}
+
+_finline CYFlags &operator |=(CYFlags &lhs, CYFlags rhs) {
+ return lhs = lhs | rhs;
+}
+
+_finline CYFlags CYLeft(CYFlags flags) {
+ return flags & ~(CYNoDangle | CYNoInteger);
+}
+
+_finline CYFlags CYRight(CYFlags flags) {
+ return flags & ~CYNoBF;
+}
+
+_finline CYFlags CYCenter(CYFlags flags) {
+ return CYLeft(CYRight(flags));
+}
+
+struct CYStatement :
+ CYNext<CYStatement>
+{
+ virtual ~CYStatement() {
+ }
+
+ void Single(CYOutput &out, CYFlags flags) const;
+ void Multiple(CYOutput &out, CYFlags flags = CYNoFlags) const;
+
+ virtual CYStatement *Replace(CYContext &context) = 0;
+
+ private:
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+};
+
+struct CYStatements {
+ CYStatement *first_;
+ CYStatement *last_;
+
+ CYStatements() :
+ first_(NULL),
+ last_(NULL)
+ {
+ }
+
+ operator CYStatement *() const {
+ return first_;
+ }
+
+ CYStatements &operator ->*(CYStatement *next) {
+ if (next != NULL)
+ if (first_ == NULL) {
+ first_ = next;
+ last_ = next;
+ } else for (;; last_ = last_->next_)
+ if (last_->next_ == NULL) {
+ last_->next_ = next;
+ last_ = next;
+ break;
+ }
+ return *this;
+ }
+};
+
+struct CYClassName {
+ virtual ~CYClassName() {
+ }
+
+ virtual CYExpression *ClassName(CYContext &context, bool object) = 0;
+ virtual void ClassName(CYOutput &out, bool object) const = 0;
+};
+
+struct CYWord :
+ CYThing,
+ CYPropertyName,
+ CYClassName
+{
+ const char *word_;
+
+ CYWord(const char *word) :
+ word_(word)
+ {
+ }
+
+ void Set(const char *value) {
+ word_ = value;
+ }
+
+ virtual const char *Word() const;
+ virtual void Output(CYOutput &out) const;
+
+ virtual CYExpression *ClassName(CYContext &context, bool object);
+ virtual void ClassName(CYOutput &out, bool object) const;
+ virtual void PropertyName(CYOutput &out) const;
+};
+
+_finline std::ostream &operator <<(std::ostream &lhs, const CYWord &rhs) {
+ lhs << &rhs << '=';
+ return lhs << rhs.Word();
+}
+
+struct CYIdentifier :
+ CYNext<CYIdentifier>,
+ CYWord
+{
+ CYIdentifier *replace_;
+ size_t offset_;
+ size_t usage_;
+
+ CYIdentifier(const char *word) :
+ CYWord(word),
+ replace_(NULL),
+ offset_(0),
+ usage_(0)
+ {
+ }
+
+ virtual const char *Word() const;
+ CYIdentifier *Replace(CYContext &context);
+};
+
+struct CYComment :
+ CYStatement
+{
+ const char *value_;
+
+ CYComment(const char *value) :
+ value_(value)
+ {
+ }
+
+ virtual CYStatement *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYLabel :
+ CYStatement
+{
+ CYIdentifier *name_;
+ CYStatement *statement_;
+
+ CYLabel(CYIdentifier *name, CYStatement *statement) :
+ name_(name),
+ statement_(statement)
+ {
+ }
+
+ virtual CYStatement *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYCStringLess :
+ std::binary_function<const char *, const char *, bool>
+{
+ _finline bool operator ()(const char *lhs, const char *rhs) const {
+ return strcmp(lhs, rhs) < 0;
+ }
+};
+
+struct CYIdentifierValueLess :
+ std::binary_function<CYIdentifier *, CYIdentifier *, bool>
+{
+ _finline bool operator ()(CYIdentifier *lhs, CYIdentifier *rhs) const {
+ return CYCStringLess()(lhs->Word(), rhs->Word());
+ }
+};
+
+enum CYIdentifierFlags {
+ CYIdentifierArgument,
+ CYIdentifierVariable,
+ CYIdentifierOther,
+ CYIdentifierMagic,
+ CYIdentifierCatch,
+};
+
+typedef std::set<const char *, CYCStringLess> CYCStringSet;
+typedef std::set<CYIdentifier *, CYIdentifierValueLess> CYIdentifierValueSet;
+typedef std::map<CYIdentifier *, CYIdentifierFlags> CYIdentifierAddressFlagsMap;
+
+struct CYIdentifierUsage {
+ CYIdentifier *identifier_;
+ size_t usage_;
+};
+
+typedef std::vector<CYIdentifierUsage> CYIdentifierUsageVector;
+
+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();
+
+ 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);
+};
+
+struct CYProgram :
+ CYThing
+{
+ CYStatement *statements_;
+
+ CYProgram(CYStatement *statements) :
+ statements_(statements)
+ {
+ }
+
+ virtual void Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYNonLocal;
+
+struct CYContext {
+ CYOptions &options_;
+
+ CYScope *scope_;
+ CYIdentifierUsageVector rename_;
+
+ CYNonLocal *nonlocal_;
+ CYNonLocal *nextlocal_;
+ unsigned unique_;
+
+ CYContext(CYOptions &options) :
+ options_(options),
+ scope_(NULL),
+ nonlocal_(NULL),
+ nextlocal_(NULL),
+ unique_(0)
+ {
+ }
+
+ virtual ~CYContext() {
+ }
+
+ template <typename Type_>
+ void ReplaceAll(Type_ *&values) {
+ Type_ **last(&values);
+ CYForEach (next, values) {
+ Replace(*last = next);
+ if (*last != NULL)
+ last = &(*last)->next_;
+ }
+ }
+
+ template <typename Type_>
+ void Replace(Type_ *&value) {
+ for (;;) if (value == NULL)
+ break;
+ else {
+ Type_ *replace(value->Replace(*this));
+ if (replace != value)
+ value = replace;
+ else break;
+ }
+ }
+
+ void NonLocal(CYStatement *&statements);
+ CYIdentifier *Unique();
+};
+
+struct CYNonLocal {
+ CYIdentifier *identifier_;
+
+ CYNonLocal() :
+ identifier_(NULL)
+ {
+ }
+
+ CYIdentifier *Target(CYContext &context) {
+ if (identifier_ == NULL)
+ identifier_ = context.Unique();
+ return identifier_;
+ }
+};
+
+struct CYBlock :
+ CYStatement,
+ CYThing
+{
+ CYStatement *statements_;
+
+ CYBlock(CYStatement *statements) :
+ statements_(statements)
+ {
+ }
+
+ 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_;
+ 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_;
+
+ 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 CYExpression *Replace(CYContext &context) = 0;
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+};
+
+struct CYForInInitialiser {
+ virtual ~CYForInInitialiser() {
+ }
+
+ virtual void ForIn(CYOutput &out, CYFlags flags) const = 0;
+ virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value) = 0;
+
+ virtual CYExpression *Replace(CYContext &context) = 0;
+ virtual CYAssignment *Assignment(CYContext &context) = 0;
+
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+};
+
+struct CYNumber;
+struct CYString;
+
+struct CYExpression :
+ CYNext<CYExpression>,
+ CYForInitialiser,
+ CYForInInitialiser,
+ CYClassName,
+ CYThing
+{
+ virtual unsigned Precedence() const = 0;
+
+ virtual bool RightHand() const {
+ return true;
+ }
+
+ virtual void ForIn(CYOutput &out, CYFlags flags) const;
+ virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value);
+
+ virtual CYExpression *AddArgument(CYContext &context, CYExpression *value);
+
+ virtual void Output(CYOutput &out) const;
+ virtual void Output(CYOutput &out, CYFlags flags) const = 0;
+ void Output(CYOutput &out, unsigned precedence, CYFlags flags) const;
+
+ virtual CYExpression *ClassName(CYContext &context, bool object);
+ virtual void ClassName(CYOutput &out, bool object) const;
+
+ virtual CYExpression *Replace(CYContext &context) = 0;
+ virtual CYAssignment *Assignment(CYContext &context);
+
+ virtual CYExpression *Primitive(CYContext &context) {
+ return this;
+ }
+
+ virtual CYNumber *Number(CYContext &context) {
+ return NULL;
+ }
+
+ virtual CYString *String(CYContext &context) {
+ return NULL;
+ }
+
+ virtual const char *Word() const {
+ return NULL;
+ }
+};
+
+#define CYAlphabetic(value) \
+ virtual bool Alphabetic() const { \
+ return value; \
+ }
+
+#define CYPrecedence(value) \
+ static const unsigned Precedence_ = value; \
+ virtual unsigned Precedence() const { \
+ return Precedence_; \
+ }
+
+#define CYRightHand(value) \
+ virtual bool RightHand() const { \
+ return value; \
+ }
+
+struct CYCompound :
+ CYExpression
+{
+ CYExpression *expressions_;
+
+ CYCompound(CYExpression *expressions = NULL) :
+ expressions_(expressions)
+ {
+ }
+
+ void AddPrev(CYExpression *expression) {
+ CYSetLast(expression, expressions_);
+ expressions_ = expression;
+ }
+
+ CYPrecedence(17)
+
+ virtual CYExpression *Replace(CYContext &context);
+ void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYDeclaration;
+
+struct CYFunctionParameter :
+ CYNext<CYFunctionParameter>,
+ CYThing
+{
+ CYForInInitialiser *initialiser_;
+
+ CYFunctionParameter(CYForInInitialiser *initialiser, CYFunctionParameter *next = NULL) :
+ CYNext<CYFunctionParameter>(next),
+ initialiser_(initialiser)
+ {
+ }
+
+ void Replace(CYContext &context, CYBlock &code);
+ void Output(CYOutput &out) const;
+};
+
+struct CYComprehension :
+ CYNext<CYComprehension>,
+ CYThing
+{
+ virtual const char *Name() const = 0;
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const = 0;
+ CYFunctionParameter *Parameters(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const = 0;
+};
+
+struct CYForInComprehension :
+ CYComprehension
+{
+ CYIdentifier *name_;
+ CYExpression *set_;
+
+ CYForInComprehension(CYIdentifier *name, CYExpression *set) :
+ name_(name),
+ set_(set)
+ {
+ }
+
+ virtual const char *Name() const {
+ return name_->Word();
+ }
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYForOfComprehension :
+ CYComprehension
+{
+ CYIdentifier *name_;
+ CYExpression *set_;
+
+ CYForOfComprehension(CYIdentifier *name, CYExpression *set) :
+ name_(name),
+ set_(set)
+ {
+ }
+
+ virtual const char *Name() const {
+ return name_->Word();
+ }
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYIfComprehension :
+ CYComprehension
+{
+ CYExpression *test_;
+
+ CYIfComprehension(CYExpression *test) :
+ test_(test)
+ {
+ }
+
+ virtual const char *Name() const {
+ return NULL;
+ }
+
+ virtual CYFunctionParameter *Parameter(CYContext &context) const;
+ virtual CYStatement *Replace(CYContext &context, CYStatement *statement) const;
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYArrayComprehension :
+ CYExpression
+{
+ CYExpression *expression_;
+ CYComprehension *comprehensions_;
+
+ CYArrayComprehension(CYExpression *expression, CYComprehension *comprehensions) :
+ expression_(expression),
+ comprehensions_(comprehensions)
+ {
+ }
+
+ CYPrecedence(0)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYLiteral :
+ CYExpression
+{
+ CYPrecedence(0)
+ CYRightHand(false)
+};
+
+struct CYTrivial :
+ CYLiteral
+{
+ virtual CYExpression *Replace(CYContext &context);
+};
+
+struct CYMagic :
+ CYExpression
+{
+ CYPrecedence(0)
+ CYRightHand(false)
+};
+
+struct CYRange {
+ uint64_t lo_;
+ uint64_t hi_;
+
+ CYRange(uint64_t lo, uint64_t hi) :
+ lo_(lo), hi_(hi)
+ {
+ }
+
+ bool operator [](uint8_t value) const {
+ return !(value >> 7) && (value >> 6 ? hi_ : lo_) >> (value & 0x3f) & 0x1;
+ }
+
+ void operator()(uint8_t value) {
+ if (value >> 7)
+ return;
+ (value >> 6 ? hi_ : lo_) |= uint64_t(0x1) << (value & 0x3f);
+ }
+};
+
+extern CYRange DigitRange_;
+extern CYRange WordStartRange_;
+extern CYRange WordEndRange_;
+
+struct CYString :
+ CYTrivial,
+ CYPropertyName
+{
+ const char *value_;
+ size_t size_;
+
+ CYString() :
+ value_(NULL),
+ size_(0)
+ {
+ }
+
+ CYString(const char *value) :
+ value_(value),
+ size_(strlen(value))
+ {
+ }
+
+ CYString(const char *value, size_t size) :
+ value_(value),
+ size_(size)
+ {
+ }
+
+ CYString(const CYWord *word) :
+ value_(word->Word()),
+ size_(strlen(value_))
+ {
+ }
+
+ const char *Value() const {
+ return value_;
+ }
+
+ virtual const char *Word() const;
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+
+ CYString *Concat(CYContext &out, CYString *rhs) const;
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+ virtual void PropertyName(CYOutput &out) const;
+};
+
+struct CYNumber :
+ CYTrivial,
+ CYPropertyName
+{
+ double value_;
+
+ CYNumber(double value) :
+ value_(value)
+ {
+ }
+
+ double Value() const {
+ return value_;
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+ virtual void PropertyName(CYOutput &out) const;
+};
+
+struct CYRegEx :
+ CYTrivial
+{
+ const char *value_;
+
+ CYRegEx(const char *value) :
+ value_(value)
+ {
+ }
+
+ const char *Value() const {
+ return value_;
+ }
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYNull :
+ CYWord,
+ CYTrivial
+{
+ CYNull() :
+ CYWord("null")
+ {
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYThis :
+ CYWord,
+ CYMagic
+{
+ CYThis() :
+ CYWord("this")
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYBoolean :
+ CYTrivial
+{
+ virtual bool Value() const = 0;
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYFalse :
+ CYWord,
+ CYBoolean
+{
+ CYFalse() :
+ CYWord("false")
+ {
+ }
+
+ virtual bool Value() const {
+ return false;
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+};
+
+struct CYTrue :
+ CYWord,
+ CYBoolean
+{
+ CYTrue() :
+ CYWord("true")
+ {
+ }
+
+ virtual bool Value() const {
+ return true;
+ }
+
+ virtual CYNumber *Number(CYContext &context);
+ virtual CYString *String(CYContext &context);
+};
+
+struct CYVariable :
+ CYExpression
+{
+ CYIdentifier *name_;
+
+ CYVariable(CYIdentifier *name) :
+ name_(name)
+ {
+ }
+
+ CYVariable(const char *name) :
+ name_(new($pool) CYIdentifier(name))
+ {
+ }
+
+ CYPrecedence(0)
+ CYRightHand(false)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYPrefix :
+ CYExpression
+{
+ CYExpression *rhs_;
+
+ CYPrefix(CYExpression *rhs) :
+ rhs_(rhs)
+ {
+ }
+
+ virtual bool Alphabetic() const = 0;
+ virtual const char *Operator() const = 0;
+
+ CYPrecedence(4)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYInfix :
+ CYExpression
+{
+ CYExpression *lhs_;
+ CYExpression *rhs_;
+
+ CYInfix(CYExpression *lhs, CYExpression *rhs) :
+ lhs_(lhs),
+ rhs_(rhs)
+ {
+ }
+
+ void SetLeft(CYExpression *lhs) {
+ lhs_ = lhs;
+ }
+
+ virtual bool Alphabetic() const = 0;
+ virtual const char *Operator() const = 0;
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYPostfix :
+ CYExpression
+{
+ CYExpression *lhs_;
+
+ CYPostfix(CYExpression *lhs) :
+ lhs_(lhs)
+ {
+ }
+
+ virtual const char *Operator() const = 0;
+
+ CYPrecedence(3)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYAssignment :
+ CYExpression
+{
+ CYExpression *lhs_;
+ CYExpression *rhs_;
+
+ CYAssignment(CYExpression *lhs, CYExpression *rhs) :
+ lhs_(lhs),
+ rhs_(rhs)
+ {
+ }
+
+ void SetLeft(CYExpression *lhs) {
+ lhs_ = lhs;
+ }
+
+ virtual const char *Operator() const = 0;
+
+ CYPrecedence(16)
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYArgument :
+ CYNext<CYArgument>,
+ CYThing
+{
+ CYWord *name_;
+ CYExpression *value_;
+
+ CYArgument(CYExpression *value, CYArgument *next = NULL) :
+ CYNext<CYArgument>(next),
+ name_(NULL),
+ value_(value)
+ {
+ }
+
+ CYArgument(CYWord *name, CYExpression *value, CYArgument *next = NULL) :
+ CYNext<CYArgument>(next),
+ name_(name),
+ value_(value)
+ {
+ }
+
+ CYArgument *Replace(CYContext &context);
+ void Output(CYOutput &out) const;
+};
+
+struct CYBlank :
+ public CYWord
+{
+ CYBlank() :
+ CYWord("")
+ {
+ }
+};
+
+struct CYClause :
+ CYThing,
+ CYNext<CYClause>
+{
+ CYExpression *case_;
+ CYStatement *statements_;
+
+ CYClause(CYExpression *_case, CYStatement *statements) :
+ case_(_case),
+ statements_(statements)
+ {
+ }
+
+ void Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYElement :
+ CYNext<CYElement>,
+ CYThing
+{
+ CYExpression *value_;
+
+ CYElement(CYExpression *value, CYElement *next) :
+ CYNext<CYElement>(next),
+ value_(value)
+ {
+ }
+
+ void Replace(CYContext &context);
+ void Output(CYOutput &out) const;
+};
+
+struct CYArray :
+ CYLiteral
+{
+ CYElement *elements_;
+
+ CYArray(CYElement *elements = NULL) :
+ elements_(elements)
+ {
+ }
+
+ virtual CYExpression *Replace(CYContext &context);
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYProperty :
+ CYNext<CYProperty>,
+ CYThing
+{
+ CYPropertyName *name_;
+ CYExpression *value_;
+
+ CYProperty(CYPropertyName *name, CYExpression *value, CYProperty *next = NULL) :
+ CYNext<CYProperty>(next),
+ name_(name),
+ value_(value)
+ {
+ }
+
+ void Replace(CYContext &context);
+ virtual void Output(CYOutput &out) const;
+};
+
+struct CYDeclaration :
+ CYForInInitialiser
+{
+ CYIdentifier *identifier_;
+ CYExpression *initialiser_;
+
+ CYDeclaration(CYIdentifier *identifier, CYExpression *initialiser = NULL) :
+ identifier_(identifier),
+ initialiser_(initialiser)
+ {
+ }
+
+ virtual void ForIn(CYOutput &out, CYFlags flags) const;
+ virtual CYStatement *ForEachIn(CYContext &out, CYExpression *value);
+
+ virtual CYExpression *Replace(CYContext &context);
+
+ virtual CYAssignment *Assignment(CYContext &context);
+ CYVariable *Variable(CYContext &context);
+
+ virtual void Output(CYOutput &out, CYFlags flags) const;
+};
+
+struct CYDeclarations :
+ CYNext<CYDeclarations>,
+ CYThing
+{
+ CYDeclaration *declaration_;
+
+ CYDeclarations(CYDeclaration *declaration, CYDeclarations *next = NULL) :
+ CYNext<CYDeclarations>(next),
+ declaration_(declaration)
+ {
+ }
+
+ void Replace(CYContext &context);
+
+ CYCompound *Compound(CYContext &context);
+ CYProperty *Property(CYContext &context);
+ CYArgument *Argument(CYContext &context);
+ CYFunctionParameter *Parameter(CYContext &context);
+
+ virtual void Output(CYOutput &out) const;
+ virtual void Output(CYOutput &out, CYFlags flags) const;
projects / cycript.git / blobdiff