-#include "Parser.hpp"
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2015 Jay Freeman (saurik)
+*/
+
+/* GNU Affero General Public License, Version 3 {{{ */
+/*
+ * 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 <iomanip>
+#include <map>
#include "Replace.hpp"
+#include "Syntax.hpp"
+
+CYFunctionExpression *CYNonLocalize(CYContext &context, CYFunctionExpression *function) {
+ function->nonlocal_ = context.nextlocal_;
+ return function;
+}
+
+CYFunctionExpression *CYSuperize(CYContext &context, CYFunctionExpression *function) {
+ function->super_ = context.super_;
+ return function;
+}
+
+CYStatement *CYDefineProperty(CYExpression *object, CYExpression *name, bool configurable, bool enumerable, CYProperty *descriptor) {
+ return $E($C3($M($V("Object"), $S("defineProperty")), object, name, $ CYObject(CYList<CYProperty>()
+ ->* (configurable ? $ CYPropertyValue($S("configurable"), $ CYTrue()) : NULL)
+ ->* (enumerable ? $ CYPropertyValue($S("enumerable"), $ CYTrue()) : NULL)
+ ->* descriptor)));
+}
+
+static void CYImplicitReturn(CYStatement *&code) {
+ if (CYStatement *&last = CYGetLast(code))
+ last = last->Return();
+}
+
+CYExpression *CYAdd::Replace(CYContext &context) {
+ CYInfix::Replace(context);
+
+ CYString *lhs(dynamic_cast<CYString *>(lhs_));
+ CYString *rhs(dynamic_cast<CYString *>(rhs_));
+
+ if (lhs != NULL || rhs != NULL) {
+ if (lhs == NULL) {
+ lhs = lhs_->String(context);
+ if (lhs == NULL)
+ return this;
+ } else if (rhs == NULL) {
+ rhs = rhs_->String(context);
+ if (rhs == NULL)
+ return this;
+ }
+
+ return lhs->Concat(context, rhs);
+ }
+
+ if (CYNumber *lhn = lhs_->Number(context))
+ if (CYNumber *rhn = rhs_->Number(context))
+ return $D(lhn->Value() + rhn->Value());
+
+ return this;
+}
CYExpression *CYAddressOf::Replace(CYContext &context) {
- CYPrefix::Replace(context);
return $C0($M(rhs_, $S("$cya")));
}
-void CYArgument::Replace(CYContext &context) { $T()
+CYTarget *CYApply::AddArgument(CYContext &context, CYExpression *value) {
+ CYArgument **argument(&arguments_);
+ while (*argument != NULL)
+ argument = &(*argument)->next_;
+ *argument = $ CYArgument(value);
+ return this;
+}
+
+CYArgument *CYArgument::Replace(CYContext &context) { $T(NULL)
context.Replace(value_);
- next_->Replace(context);
+ next_ = next_->Replace(context);
+
+ if (value_ == NULL) {
+ if (next_ == NULL)
+ return NULL;
+ else
+ value_ = $U;
+ }
+
+ return this;
}
-CYExpression *CYArray::Replace(CYContext &context) {
- elements_->Replace(context);
- return NULL;
+CYTarget *CYArray::Replace(CYContext &context) {
+ if (elements_ != NULL)
+ elements_->Replace(context);
+ return this;
}
-CYExpression *CYArrayComprehension::Replace(CYContext &context) {
- CYVariable *cyv($V("$cyv"));
+CYTarget *CYArrayComprehension::Replace(CYContext &context) {
+ CYIdentifier *cyv(context.Unique());
- return $C0($F(NULL, $P1("$cyv", comprehensions_->Parameters(context)), $$->*
- $E($ CYAssign(cyv, $ CYArray()))->*
- comprehensions_->Replace(context, $E($C1($M(cyv, $S("push")), expression_)))->*
- $ CYReturn(cyv)
+ return $C0($F(NULL, $P1($B(cyv), comprehensions_->Parameters(context)), $$
+ ->* $E($ CYAssign($V(cyv), $ CYArray()))
+ ->* comprehensions_->Replace(context, $E($C1($M($V(cyv), $S("push")), expression_)))
+ ->* $ CYReturn($V(cyv))
));
}
CYExpression *CYAssignment::Replace(CYContext &context) {
context.Replace(lhs_);
context.Replace(rhs_);
- return NULL;
+ return this;
+}
+
+CYStatement *CYBlock::Return() {
+ CYImplicitReturn(code_);
+ return this;
}
CYStatement *CYBlock::Replace(CYContext &context) {
- statements_ = statements_->ReplaceAll(context);
- return NULL;
+ CYScope scope(true, context);
+ context.ReplaceAll(code_);
+ scope.Close(context);
+
+ if (code_ == NULL)
+ return $ CYEmpty();
+ return this;
}
CYStatement *CYBreak::Replace(CYContext &context) {
- return NULL;
+ return this;
}
-CYExpression *CYCall::Replace(CYContext &context) {
+CYTarget *CYCall::Replace(CYContext &context) {
context.Replace(function_);
arguments_->Replace(context);
- return NULL;
+ return this;
+}
+
+namespace cy {
+namespace Syntax {
+
+void Catch::Replace(CYContext &context) { $T()
+ CYScope scope(true, context);
+
+ name_ = name_->Replace(context, CYIdentifierCatch);
+
+ context.ReplaceAll(code_);
+ scope.Close(context);
+}
+
+} }
+
+CYTarget *CYClassExpression::Replace(CYContext &context) {
+ CYBuilder builder;
+
+ CYIdentifier *super(context.Unique());
+
+ CYIdentifier *old(context.super_);
+ context.super_ = super;
+
+ CYIdentifier *constructor(context.Unique());
+ CYForEach (member, tail_->static_)
+ member->Replace(context, builder, $V(constructor), true);
+
+ CYIdentifier *prototype(context.Unique());
+ CYForEach (member, tail_->instance_)
+ member->Replace(context, builder, $V(prototype), true);
+
+ if (tail_->constructor_ == NULL)
+ tail_->constructor_ = $ CYFunctionExpression(NULL, NULL, NULL);
+ tail_->constructor_ = CYSuperize(context, tail_->constructor_);
+
+ context.super_ = old;
+
+ return $C1($ CYFunctionExpression(NULL, $P($B(super)), $$
+ ->* $ CYVar($B1($B(constructor, tail_->constructor_)))
+ ->* $ CYVar($B1($B(prototype, $ CYFunctionExpression(NULL, NULL, NULL))))
+ ->* $E($ CYAssign($M($V(prototype), $S("prototype")), $M($V(super), $S("prototype"))))
+ ->* $E($ CYAssign($V(prototype), $N($V(prototype))))
+ ->* CYDefineProperty($V(prototype), $S("constructor"), false, false, $ CYPropertyValue($S("value"), $V(constructor)))
+ ->* $ CYVar(builder.bindings_)
+ ->* builder.statements_
+ ->* CYDefineProperty($V(constructor), $S("prototype"), false, false, $ CYPropertyValue($S("value"), $V(prototype)))
+ ->* $ CYReturn($V(constructor))
+ ), tail_->extends_ ?: $V($I("Object")));
}
-void CYCatch::Replace(CYContext &context) { $T()
- code_.Replace(context);
+CYStatement *CYClassStatement::Replace(CYContext &context) {
+ return $ CYVar($B1($B(name_, $ CYClassExpression(name_, tail_))));
}
void CYClause::Replace(CYContext &context) { $T()
- context.Replace(case_);
- statements_ = statements_->ReplaceAll(context);
+ context.Replace(value_);
+ context.ReplaceAll(code_);
next_->Replace(context);
}
CYExpression *CYCompound::Replace(CYContext &context) {
- expressions_ = expressions_->ReplaceAll(context);
- return NULL;
+ context.Replace(expression_);
+ context.Replace(next_);
+
+ if (CYCompound *compound = dynamic_cast<CYCompound *>(expression_)) {
+ expression_ = compound->expression_;
+ compound->expression_ = compound->next_;
+ compound->next_ = next_;
+ next_ = compound;
+ }
+
+ return this;
+}
+
+CYFunctionParameter *CYCompound::Parameter() const {
+ CYFunctionParameter *next(next_->Parameter());
+ if (next == NULL)
+ return NULL;
+
+ CYFunctionParameter *parameter(expression_->Parameter());
+ if (parameter == NULL)
+ return NULL;
+
+ parameter->SetNext(next);
+ return parameter;
}
CYFunctionParameter *CYComprehension::Parameters(CYContext &context) const { $T(NULL)
return next_ == NULL ? statement : next_->Replace(context, statement);
}
+CYExpression *CYComputed::PropertyName(CYContext &context) {
+ return expression_;
+}
+
CYExpression *CYCondition::Replace(CYContext &context) {
context.Replace(test_);
context.Replace(true_);
context.Replace(false_);
- return NULL;
+ return this;
+}
+
+void CYContext::NonLocal(CYStatement *&statements) {
+ CYContext &context(*this);
+
+ if (nextlocal_ != NULL && nextlocal_->identifier_ != NULL) {
+ CYIdentifier *cye($I("$cye")->Replace(context, CYIdentifierGlobal));
+ CYIdentifier *unique(nextlocal_->identifier_->Replace(context, CYIdentifierGlobal));
+
+ CYStatement *declare(
+ $ CYVar($B1($B(unique, $ CYObject()))));
+
+ cy::Syntax::Catch *rescue(
+ $ cy::Syntax::Catch(cye, $$
+ ->* $ CYIf($ CYIdentical($M($V(cye), $S("$cyk")), $V(unique)), $$
+ ->* $ CYReturn($M($V(cye), $S("$cyv"))))
+ ->* $ cy::Syntax::Throw($V(cye))));
+
+ context.Replace(declare);
+ rescue->Replace(context);
+
+ statements = $$
+ ->* declare
+ ->* $ cy::Syntax::Try(statements, rescue, NULL);
+ }
+}
+
+CYIdentifier *CYContext::Unique() {
+ return $ CYIdentifier($pool.strcat("$cy", $pool.itoa(unique_++), NULL));
}
CYStatement *CYContinue::Replace(CYContext &context) {
- return NULL;
+ return this;
}
-CYExpression *CYDeclaration::ForEachIn(CYContext &context) {
- return $ CYVariable(identifier_);
+CYStatement *CYDebugger::Replace(CYContext &context) {
+ return this;
}
-void CYDeclaration::Replace(CYContext &context) {
- context.Replace(initialiser_);
+CYTarget *CYBinding::Target(CYContext &context) {
+ return $V(identifier_);
}
-void CYDeclarations::Replace(CYContext &context) { $T()
- declaration_->Replace(context);
- next_->Replace(context);
+CYAssignment *CYBinding::Replace(CYContext &context, CYIdentifierKind kind) {
+ identifier_ = identifier_->Replace(context, kind);
+
+ if (initializer_ == NULL)
+ return NULL;
+
+ CYAssignment *value($ CYAssign(Target(context), initializer_));
+ initializer_ = NULL;
+ return value;
}
-CYExpression *CYDirectMember::Replace(CYContext &context) {
- Replace_(context);
- return NULL;
+CYExpression *CYBindings::Replace(CYContext &context, CYIdentifierKind kind) { $T(NULL)
+ CYAssignment *assignment(binding_->Replace(context, kind));
+ CYExpression *compound(next_->Replace(context, kind));
+
+ if (assignment != NULL)
+ if (compound == NULL)
+ compound = assignment;
+ else
+ compound = $ CYCompound(assignment, compound);
+ return compound;
+}
+
+CYFunctionParameter *CYBindings::Parameter(CYContext &context) { $T(NULL)
+ return $ CYFunctionParameter($ CYBinding(binding_->identifier_), next_->Parameter(context));
+}
+
+CYArgument *CYBindings::Argument(CYContext &context) { $T(NULL)
+ return $ CYArgument(binding_->initializer_, next_->Argument(context));
+}
+
+CYTarget *CYDirectMember::Replace(CYContext &context) {
+ context.Replace(object_);
+ context.Replace(property_);
+ return this;
}
CYStatement *CYDoWhile::Replace(CYContext &context) {
context.Replace(test_);
- context.Replace(code_);
- return NULL;
+ context.ReplaceAll(code_);
+ return this;
}
-void CYElement::Replace(CYContext &context) { $T()
+void CYElementSpread::Replace(CYContext &context) {
context.Replace(value_);
- next_->Replace(context);
}
-CYStatement *CYEmpty::Replace(CYContext &context) {
- return NULL;
+void CYElementValue::Replace(CYContext &context) {
+ context.Replace(value_);
+ if (next_ != NULL)
+ next_->Replace(context);
}
-CYStatement *CYExpress::Replace(CYContext &context) {
- context.Replace(expression_);
+CYForInitializer *CYEmpty::Replace(CYContext &context) {
return NULL;
}
-CYExpression *CYExpression::ClassName(CYContext &context, bool object) {
- return this;
+CYTarget *CYEncodedType::Replace(CYContext &context) {
+ return typed_->Replace(context);
+}
+
+CYTarget *CYEval::Replace(CYContext &context) {
+ context.scope_->Damage();
+ if (arguments_ != NULL)
+ arguments_->value_ = $C1($M($V("Cycript"), $S("compile")), arguments_->value_);
+ return $C($V("eval"), arguments_);
}
-CYExpression *CYExpression::ForEachIn(CYContext &context) {
+CYStatement *CYExpress::Return() {
+ return $ CYReturn(expression_);
+}
+
+CYForInitializer *CYExpress::Replace(CYContext &context) {
+ context.Replace(expression_);
return this;
}
-CYExpression *CYExpression::ReplaceAll(CYContext &context) { $T(NULL)
- CYExpression *replace(this);
- context.Replace(replace);
+CYTarget *CYExpression::AddArgument(CYContext &context, CYExpression *value) {
+ return $C1(this, value);
+}
+
+CYFunctionParameter *CYExpression::Parameter() const {
+ return NULL;
+}
- if (CYExpression *next = next_->ReplaceAll(context))
- replace->SetNext(next);
- else
- replace->SetNext(next_);
+CYStatement *CYExternal::Replace(CYContext &context) {
+ return $E($ CYAssign($V(typed_->identifier_), $C1(typed_->Replace(context), $C2($V("dlsym"), $V("RTLD_DEFAULT"), $S(typed_->identifier_->Word())))));
+}
- return replace;
+CYNumber *CYFalse::Number(CYContext &context) {
+ return $D(0);
+}
+
+CYString *CYFalse::String(CYContext &context) {
+ return $S("false");
+}
+
+CYExpression *CYFatArrow::Replace(CYContext &context) {
+ CYFunctionExpression *function($ CYFunctionExpression(NULL, parameters_, code_));
+ function->this_.SetNext(context.this_);
+ return function;
}
void CYFinally::Replace(CYContext &context) { $T()
- code_.Replace(context);
+ CYScope scope(true, context);
+ context.ReplaceAll(code_);
+ scope.Close(context);
}
CYStatement *CYFor::Replace(CYContext &context) {
- // XXX: initialiser_
+ CYScope outer(true, context);
+ context.Replace(initializer_);
+
context.Replace(test_);
+
+ {
+ CYScope inner(true, context);
+ context.ReplaceAll(code_);
+ inner.Close(context);
+ }
+
context.Replace(increment_);
- context.Replace(code_);
- return NULL;
+
+ outer.Close(context);
+ return this;
+}
+
+CYStatement *CYForLexical::Initialize(CYContext &context, CYExpression *value) {
+ if (value == NULL) {
+ if (binding_->initializer_ == NULL)
+ return NULL;
+ value = binding_->initializer_;
+ }
+
+ return $ CYLexical(constant_, $B1($ CYBinding(binding_->identifier_, value)));
+}
+
+CYTarget *CYForLexical::Replace(CYContext &context) {
+ _assert(binding_->Replace(context, CYIdentifierLexical) == NULL);
+ return binding_->Target(context);
}
CYStatement *CYForIn::Replace(CYContext &context) {
- // XXX: initialiser_
- context.Replace(set_);
- context.Replace(code_);
- return NULL;
+ CYScope scope(true, context);
+ context.Replace(initializer_);
+ context.Replace(iterable_);
+ context.ReplaceAll(code_);
+ scope.Close(context);
+ return this;
+}
+
+CYStatement *CYForInitialized::Replace(CYContext &context) {
+ CYAssignment *assignment(binding_->Replace(context, CYIdentifierVariable));
+ return $ CYBlock($$
+ ->* (assignment == NULL ? NULL : $ CYExpress(assignment))
+ ->* $ CYForIn(binding_->Target(context), iterable_, code_));
}
CYFunctionParameter *CYForInComprehension::Parameter(CYContext &context) const {
- return $ CYFunctionParameter(name_);
+ return $ CYFunctionParameter(binding_);
}
CYStatement *CYForInComprehension::Replace(CYContext &context, CYStatement *statement) const {
- return $ CYForIn($ CYVariable(name_), set_, CYComprehension::Replace(context, statement));
+ return $ CYForIn(binding_->Target(context), iterable_, CYComprehension::Replace(context, statement));
}
-CYStatement *CYForEachIn::Replace(CYContext &context) {
- CYVariable *cys($V("$cys")), *cyt($V("$cyt"));
+CYStatement *CYForOf::Replace(CYContext &context) {
+ CYIdentifier *item(context.Unique()), *list(context.Unique());
- return $ CYWith($ CYObject($ CYProperty($S("$cys"), $D(0), $ CYProperty($S("$cyt"), $D(0)))), $ CYBlock($$->*
- $E($ CYAssign(cys, set_))->*
- $ CYForIn(cyt, cys, $ CYBlock($$->*
- $E($ CYAssign(initialiser_->ForEachIn(context), $M(cys, cyt)))->*
- code_
- ))
- ));
+ return $ CYBlock($$
+ ->* initializer_->Initialize(context, NULL)
+ ->* $ CYLexical(false, $B2($B(list, iterable_), $B(item)))
+ ->* $ CYForIn($V(item), $V(list), $ CYBlock($$
+ ->* initializer_->Initialize(context, $M($V(list), $V(item)))
+ ->* code_
+ )));
}
-CYFunctionParameter *CYForEachInComprehension::Parameter(CYContext &context) const {
- return $ CYFunctionParameter(name_);
+CYFunctionParameter *CYForOfComprehension::Parameter(CYContext &context) const {
+ return $ CYFunctionParameter(binding_);
}
-CYStatement *CYForEachInComprehension::Replace(CYContext &context, CYStatement *statement) const {
- CYVariable *cys($V("$cys")), *name($ CYVariable(name_));
+CYStatement *CYForOfComprehension::Replace(CYContext &context, CYStatement *statement) const {
+ CYIdentifier *cys(context.Unique());
- return $E($C0($F(NULL, $P1("$cys"), $$->*
- $E($ CYAssign(cys, set_))->*
- $ CYForIn(name, cys, $ CYBlock($$->*
- $E($ CYAssign(name, $M(cys, name)))->*
- CYComprehension::Replace(context, statement)
- ))
+ return $ CYBlock($$
+ ->* $ CYLexical(false, $B1($B(cys, iterable_)))
+ ->* $ CYForIn(binding_->Target(context), $V(cys), $ CYBlock($$
+ ->* $E($ CYAssign(binding_->Target(context), $M($V(cys), binding_->Target(context))))
+ ->* CYComprehension::Replace(context, statement)
)));
}
-void CYFunction::Replace_(CYContext &context) {
- code_.Replace(context);
+CYStatement *CYForVariable::Initialize(CYContext &context, CYExpression *value) {
+ if (value == NULL) {
+ if (binding_->initializer_ == NULL)
+ return NULL;
+ value = binding_->initializer_;
+ }
+
+ return $ CYVar($B1($ CYBinding(binding_->identifier_, value)));
}
-CYExpression *CYFunctionExpression::Replace(CYContext &context) {
- Replace_(context);
- return NULL;
+CYTarget *CYForVariable::Replace(CYContext &context) {
+ _assert(binding_->Replace(context, CYIdentifierVariable) == NULL);
+ return binding_->Target(context);
+}
+
+// XXX: this is evil evil black magic. don't ask, don't tell... don't believe!
+#define MappingSet "0etnirsoalfucdphmgyvbxTwSNECAFjDLkMOIBPqzRH$_WXUVGYKQJZ"
+//#define MappingSet "0abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_"
+
+void CYFunction::Replace(CYContext &context) {
+ CYThisScope *_this(context.this_);
+ context.this_ = &this_;
+ context.this_ = CYGetLast(context.this_);
+
+ CYIdentifier *super(context.super_);
+ context.super_ = super_;
+
+ CYNonLocal *nonlocal(context.nonlocal_);
+ CYNonLocal *nextlocal(context.nextlocal_);
+
+ bool localize;
+ if (nonlocal_ != NULL) {
+ localize = false;
+ context.nonlocal_ = nonlocal_;
+ } else {
+ localize = true;
+ nonlocal_ = $ CYNonLocal();
+ context.nextlocal_ = nonlocal_;
+ }
+
+ CYScope scope(!localize, context);
+
+ $I("arguments")->Replace(context, CYIdentifierMagic);
+
+ parameters_->Replace(context, code_);
+
+ context.ReplaceAll(code_);
+
+ if (implicit_)
+ CYImplicitReturn(code_);
+
+ if (CYIdentifier *identifier = this_.identifier_) {
+ context.scope_->Declare(context, identifier, CYIdentifierVariable);
+ code_ = $$
+ ->* $E($ CYAssign($V(identifier), $ CYThis()))
+ ->* code_;
+ }
+
+ if (localize)
+ context.NonLocal(code_);
+
+ context.nextlocal_ = nextlocal;
+ context.nonlocal_ = nonlocal;
+
+ context.super_ = super;
+ context.this_ = _this;
+
+ scope.Close(context, code_);
+}
+
+CYTarget *CYFunctionExpression::Replace(CYContext &context) {
+ CYScope scope(false, context);
+ if (name_ != NULL)
+ name_ = name_->Replace(context, CYIdentifierOther);
+
+ CYFunction::Replace(context);
+ scope.Close(context);
+ return this;
+}
+
+void CYFunctionParameter::Replace(CYContext &context, CYStatement *&statements) { $T()
+ CYAssignment *assignment(binding_->Replace(context, CYIdentifierArgument));
+
+ next_->Replace(context, statements);
+
+ if (assignment != NULL)
+ statements = $$
+ ->* $ CYIf($ CYIdentical($ CYTypeOf(binding_->Target(context)), $S("undefined")), $$
+ ->* $E(assignment))
+ ->* statements;
}
CYStatement *CYFunctionStatement::Replace(CYContext &context) {
- Replace_(context);
- return NULL;
+ name_ = name_->Replace(context, CYIdentifierOther);
+ CYFunction::Replace(context);
+ return this;
+}
+
+CYIdentifier *CYIdentifier::Replace(CYContext &context, CYIdentifierKind kind) {
+ if (next_ == this)
+ return this;
+ if (next_ != NULL)
+ return next_->Replace(context, kind);
+ next_ = context.scope_->Declare(context, this, kind)->identifier_;
+ return next_;
+}
+
+CYStatement *CYIf::Return() {
+ CYImplicitReturn(true_);
+ CYImplicitReturn(false_);
+ return this;
}
CYStatement *CYIf::Replace(CYContext &context) {
context.Replace(test_);
- context.Replace(true_);
- context.Replace(false_);
- return NULL;
+ context.ReplaceAll(true_);
+ context.ReplaceAll(false_);
+ return this;
}
CYFunctionParameter *CYIfComprehension::Parameter(CYContext &context) const {
return $ CYIf(test_, CYComprehension::Replace(context, statement));
}
-CYExpression *CYIndirect::Replace(CYContext &context) {
- CYPrefix::Replace(context);
+CYStatement *CYImport::Replace(CYContext &context) {
+ return $ CYVar($B1($B($I(module_->part_->Word()), $C1($V("require"), module_->Replace(context, "/")))));
+}
+
+CYTarget *CYIndirect::Replace(CYContext &context) {
return $M(rhs_, $S("$cyi"));
}
-CYExpression *CYIndirectMember::Replace(CYContext &context) {
- Replace_(context);
+CYTarget *CYIndirectMember::Replace(CYContext &context) {
return $M($ CYIndirect(object_), property_);
}
CYExpression *CYInfix::Replace(CYContext &context) {
context.Replace(lhs_);
context.Replace(rhs_);
- return NULL;
+ return this;
}
CYStatement *CYLabel::Replace(CYContext &context) {
context.Replace(statement_);
+ return this;
+}
+
+CYTarget *CYLambda::Replace(CYContext &context) {
+ return $N2($V("Functor"), $ CYFunctionExpression(NULL, parameters_->Parameters(context), code_), parameters_->TypeSignature(context, typed_->Replace(context)));
+}
+
+CYForInitializer *CYLexical::Replace(CYContext &context) {
+ if (CYExpression *expression = bindings_->Replace(context, CYIdentifierLexical))
+ return $E(expression);
+ return $ CYEmpty();
+}
+
+CYFunctionExpression *CYMethod::Constructor() {
return NULL;
}
-void CYMember::Replace_(CYContext &context) {
- context.Replace(object_);
- context.Replace(property_);
+void CYMethod::Replace(CYContext &context) {
+ CYFunction::Replace(context);
+}
+
+CYString *CYModule::Replace(CYContext &context, const char *separator) const {
+ if (next_ == NULL)
+ return $ CYString(part_);
+ return $ CYString($pool.strcat(next_->Replace(context, separator)->Value(), separator, part_->Word(), NULL));
+}
+
+CYExpression *CYMultiply::Replace(CYContext &context) {
+ CYInfix::Replace(context);
+
+ if (CYNumber *lhn = lhs_->Number(context))
+ if (CYNumber *rhn = rhs_->Number(context))
+ return $D(lhn->Value() * rhn->Value());
+
+ return this;
+}
+
+namespace cy {
+namespace Syntax {
+
+CYTarget *New::AddArgument(CYContext &context, CYExpression *value) {
+ CYSetLast(arguments_) = $ CYArgument(value);
+ return this;
}
-CYExpression *CYNew::Replace(CYContext &context) {
+CYTarget *New::Replace(CYContext &context) {
context.Replace(constructor_);
arguments_->Replace(context);
- return NULL;
+ return this;
}
-CYExpression *CYObject::Replace(CYContext &context) {
- properties_->Replace(context);
- return NULL;
+} }
+
+CYNumber *CYNull::Number(CYContext &context) {
+ return $D(0);
+}
+
+CYString *CYNull::String(CYContext &context) {
+ return $S("null");
+}
+
+CYNumber *CYNumber::Number(CYContext &context) {
+ return this;
+}
+
+CYString *CYNumber::String(CYContext &context) {
+ // XXX: there is a precise algorithm for this
+ return $S($pool.sprintf(24, "%.17g", Value()));
+}
+
+CYExpression *CYNumber::PropertyName(CYContext &context) {
+ return String(context);
+}
+
+CYTarget *CYObject::Replace(CYContext &context) {
+ CYBuilder builder;
+ if (properties_ != NULL)
+ properties_ = properties_->ReplaceAll(context, builder, $ CYThis(), false);
+
+ if (builder) {
+ return $C1($M($ CYFunctionExpression(NULL, builder.bindings_->Parameter(context),
+ builder.statements_
+ ->* $ CYReturn($ CYThis())
+ ), $S("call")), this, builder.bindings_->Argument(context));
+ }
+
+ CYForEach (property, properties_)
+ property->Replace(context);
+ return this;
+}
+
+CYTarget *CYParenthetical::Replace(CYContext &context) {
+ // XXX: return expression_;
+ context.Replace(expression_);
+ return this;
}
CYExpression *CYPostfix::Replace(CYContext &context) {
context.Replace(lhs_);
- return NULL;
+ return this;
}
CYExpression *CYPrefix::Replace(CYContext &context) {
context.Replace(rhs_);
- return NULL;
+ return this;
+}
+
+CYProperty *CYProperty::ReplaceAll(CYContext &context, CYBuilder &builder, CYExpression *self, bool update) {
+ update |= Update();
+ if (update)
+ Replace(context, builder, self, false);
+ if (next_ != NULL)
+ next_ = next_->ReplaceAll(context, builder, self, update);
+ return update ? next_ : this;
+}
+
+void CYProperty::Replace(CYContext &context, CYBuilder &builder, CYExpression *self, bool protect) {
+ CYExpression *name(name_->PropertyName(context));
+ if (name_->Computed()) {
+ CYIdentifier *unique(context.Unique());
+ builder.bindings_
+ ->* $B1($B(unique, name));
+ name = $V(unique);
+ }
+
+ Replace(context, builder, self, name, protect);
+}
+
+bool CYProperty::Update() const {
+ return name_->Computed();
+}
+
+void CYPropertyGetter::Replace(CYContext &context, CYBuilder &builder, CYExpression *self, CYExpression *name, bool protect) {
+ CYIdentifier *unique(context.Unique());
+ builder.bindings_
+ ->* $B1($B(unique, CYSuperize(context, $ CYFunctionExpression(NULL, parameters_, code_))));
+ builder.statements_
+ ->* CYDefineProperty(self, name, true, !protect, $ CYPropertyValue($S("get"), $V(unique)));
+}
+
+CYFunctionExpression *CYPropertyMethod::Constructor() {
+ return name_->Constructor() ? $ CYFunctionExpression(NULL, parameters_, code_) : NULL;
+}
+
+void CYPropertyMethod::Replace(CYContext &context, CYBuilder &builder, CYExpression *self, CYExpression *name, bool protect) {
+ CYIdentifier *unique(context.Unique());
+ builder.bindings_
+ ->* $B1($B(unique, CYSuperize(context, $ CYFunctionExpression(NULL, parameters_, code_))));
+ builder.statements_
+ ->* (!protect ? $E($ CYAssign($M(self, name), $V(unique))) :
+ CYDefineProperty(self, name, true, !protect, $ CYPropertyValue($S("value"), $V(unique), $ CYPropertyValue($S("writable"), $ CYTrue()))));
+}
+
+bool CYPropertyMethod::Update() const {
+ return true;
}
-void CYProgram::Replace(CYContext &context) {
- statements_ = statements_->ReplaceAll(context);
+void CYPropertySetter::Replace(CYContext &context, CYBuilder &builder, CYExpression *self, CYExpression *name, bool protect) {
+ CYIdentifier *unique(context.Unique());
+ builder.bindings_
+ ->* $B1($B(unique, CYSuperize(context, $ CYFunctionExpression(NULL, parameters_, code_))));
+ builder.statements_
+ ->* CYDefineProperty(self, name, true, !protect, $ CYPropertyValue($S("set"), $V(unique)));
}
-void CYProperty::Replace(CYContext &context) { $T()
+void CYPropertyValue::Replace(CYContext &context, CYBuilder &builder, CYExpression *self, CYExpression *name, bool protect) {
+ _assert(!protect);
+ CYIdentifier *unique(context.Unique());
+ builder.bindings_
+ ->* $B1($B(unique, value_));
+ builder.statements_
+ ->* $E($ CYAssign($M(self, name), $V(unique)));
+}
+
+void CYPropertyValue::Replace(CYContext &context) {
context.Replace(value_);
- next_->Replace(context);
+}
+
+void CYScript::Replace(CYContext &context) {
+ CYScope scope(false, context);
+ context.scope_->Damage();
+
+ context.nextlocal_ = $ CYNonLocal();
+ context.ReplaceAll(code_);
+ context.NonLocal(code_);
+
+ scope.Close(context, code_);
+
+ unsigned offset(0);
+
+ for (std::vector<CYIdentifier *>::const_iterator i(context.replace_.begin()); i != context.replace_.end(); ++i) {
+ const char *name;
+ if (context.options_.verbose_)
+ name = $pool.strcat("$", $pool.itoa(offset++), NULL);
+ else {
+ char id[8];
+ id[7] = '\0';
+
+ id:
+ unsigned position(7), local(offset++ + 1);
+
+ do {
+ unsigned index(local % (sizeof(MappingSet) - 1));
+ local /= sizeof(MappingSet) - 1;
+ id[--position] = MappingSet[index];
+ } while (local != 0);
+
+ if (scope.Lookup(context, id + position) != NULL)
+ goto id;
+ // XXX: at some point, this could become a keyword
+
+ name = $pool.strmemdup(id + position, 7 - position);
+ }
+
+ CYIdentifier *identifier(*i);
+ _assert(identifier->next_ == identifier);
+ identifier->next_ = $I(name);
+ }
}
CYStatement *CYReturn::Replace(CYContext &context) {
+ if (context.nonlocal_ != NULL) {
+ CYProperty *value(value_ == NULL ? NULL : $ CYPropertyValue($S("$cyv"), value_));
+ return $ cy::Syntax::Throw($ CYObject(
+ $ CYPropertyValue($S("$cyk"), $V(context.nonlocal_->Target(context)), value)
+ ));
+ }
+
context.Replace(value_);
+ return this;
+}
+
+CYTarget *CYRubyBlock::Replace(CYContext &context) {
+ return call_->AddArgument(context, proc_->Replace(context));
+}
+
+CYTarget *CYRubyBlock::AddArgument(CYContext &context, CYExpression *value) {
+ return Replace(context)->AddArgument(context, value);
+}
+
+CYTarget *CYRubyProc::Replace(CYContext &context) {
+ CYFunctionExpression *function($ CYFunctionExpression(NULL, parameters_, code_));
+ function = CYNonLocalize(context, function);
+ function->implicit_ = true;
+ return function;
+}
+
+CYScope::CYScope(bool transparent, CYContext &context) :
+ transparent_(transparent),
+ parent_(context.scope_),
+ damaged_(false),
+ shadow_(NULL),
+ internal_(NULL)
+{
+ _assert(!transparent_ || parent_ != NULL);
+ context.scope_ = this;
+}
+
+void CYScope::Damage() {
+ damaged_ = true;
+ if (parent_ != NULL)
+ parent_->Damage();
+}
+
+CYIdentifierFlags *CYScope::Lookup(CYContext &context, const char *word) {
+ CYForEach (i, internal_)
+ if (strcmp(i->identifier_->Word(), word) == 0)
+ return i;
return NULL;
}
-CYStatement *CYStatement::ReplaceAll(CYContext &context) { $T(NULL)
- CYStatement *replace(this);
- context.Replace(replace);
+CYIdentifierFlags *CYScope::Lookup(CYContext &context, CYIdentifier *identifier) {
+ return Lookup(context, identifier->Word());
+}
+
+CYIdentifierFlags *CYScope::Declare(CYContext &context, CYIdentifier *identifier, CYIdentifierKind kind) {
+ _assert(identifier->next_ == NULL || identifier->next_ == identifier);
+
+ CYIdentifierFlags *existing(Lookup(context, identifier));
+ if (existing == NULL)
+ internal_ = $ CYIdentifierFlags(identifier, kind, internal_);
+ ++internal_->count_;
+ if (existing == NULL)
+ return internal_;
+
+ if (kind == CYIdentifierGlobal);
+ else if (existing->kind_ == CYIdentifierGlobal || existing->kind_ == CYIdentifierMagic)
+ existing->kind_ = kind;
+ else if (existing->kind_ == CYIdentifierLexical || kind == CYIdentifierLexical)
+ _assert(false); // XXX: throw new SyntaxError()
- if (CYStatement *next = next_->ReplaceAll(context))
- replace->SetNext(next);
- else
- replace->SetNext(next_);
+ return existing;
+}
+
+void CYScope::Merge(CYContext &context, const CYIdentifierFlags *flags) {
+ _assert(flags->identifier_->next_ == flags->identifier_);
+ CYIdentifierFlags *existing(Declare(context, flags->identifier_, flags->kind_));
+ flags->identifier_->next_ = existing->identifier_;
+
+ existing->count_ += flags->count_;
+ if (existing->offset_ < flags->offset_)
+ existing->offset_ = flags->offset_;
+}
+
+void CYScope::Close(CYContext &context, CYStatement *&statements) {
+ Close(context);
+
+ CYList<CYBindings> bindings;
+
+ CYForEach (i, internal_)
+ if (i->kind_ == CYIdentifierVariable)
+ bindings
+ ->* $ CYBindings($ CYBinding(i->identifier_));
+
+ if (bindings) {
+ CYVar *var($ CYVar(bindings));
+ var->SetNext(statements);
+ statements = var;
+ }
+}
+
+void CYScope::Close(CYContext &context) {
+ context.scope_ = parent_;
+
+ CYForEach (i, internal_) {
+ _assert(i->identifier_->next_ == i->identifier_);
+ switch (i->kind_) {
+ case CYIdentifierArgument: {
+ _assert(!transparent_);
+ } break;
+
+ case CYIdentifierLexical: {
+ if (!damaged_) {
+ CYIdentifier *replace(context.Unique());
+ replace->next_ = replace;
+ i->identifier_->next_ = replace;
+ i->identifier_ = replace;
+ }
+
+ if (!transparent_)
+ i->kind_ = CYIdentifierVariable;
+ else
+ parent_->Declare(context, i->identifier_, CYIdentifierVariable);
+ } break;
+
+ case CYIdentifierVariable: {
+ if (transparent_) {
+ parent_->Declare(context, i->identifier_, i->kind_);
+ i->kind_ = CYIdentifierGlobal;
+ }
+ } break;
+ default:; } }
+
+ if (damaged_)
+ return;
+
+ typedef std::multimap<unsigned, CYIdentifier *> CYIdentifierOffsetMap;
+ CYIdentifierOffsetMap offsets;
+
+ CYForEach (i, internal_) {
+ _assert(i->identifier_->next_ == i->identifier_);
+ switch (i->kind_) {
+ case CYIdentifierArgument:
+ case CYIdentifierVariable:
+ offsets.insert(CYIdentifierOffsetMap::value_type(i->offset_, i->identifier_));
+ break;
+ default:; } }
+
+ unsigned offset(0);
+
+ for (CYIdentifierOffsetMap::const_iterator i(offsets.begin()); i != offsets.end(); ++i) {
+ if (offset < i->first)
+ offset = i->first;
+ CYIdentifier *identifier(i->second);
+
+ if (offset >= context.replace_.size())
+ context.replace_.resize(offset + 1, NULL);
+ CYIdentifier *&replace(context.replace_[offset++]);
+
+ if (replace == NULL)
+ replace = identifier;
+ else {
+ _assert(replace->next_ == replace);
+ identifier->next_ = replace;
+ }
+ }
+
+ if (parent_ == NULL)
+ return;
+
+ CYForEach (i, internal_) {
+ switch (i->kind_) {
+ case CYIdentifierGlobal: {
+ if (i->offset_ < offset)
+ i->offset_ = offset;
+ parent_->Merge(context, i);
+ } break;
+ default:; } }
+}
- return replace;
+CYElementValue *CYSpan::Replace(CYContext &context) { $T(NULL)
+ return $ CYElementValue(expression_, $ CYElementValue(string_, next_->Replace(context)));
+}
+
+CYStatement *CYStatement::Return() {
+ return this;
+}
+
+CYString *CYString::Concat(CYContext &context, CYString *rhs) const {
+ size_t size(size_ + rhs->size_);
+ char *value($ char[size + 1]);
+ memcpy(value, value_, size_);
+ memcpy(value + size_, rhs->value_, rhs->size_);
+ value[size] = '\0';
+ return $S(value, size);
+}
+
+CYNumber *CYString::Number(CYContext &context) {
+ // XXX: there is a precise algorithm for this
+ return NULL;
+}
+
+CYExpression *CYString::PropertyName(CYContext &context) {
+ return this;
+}
+
+CYString *CYString::String(CYContext &context) {
+ return this;
+}
+
+CYTarget *CYSuperAccess::Replace(CYContext &context) {
+ return $C1($M($M($M($V(context.super_), $S("prototype")), property_), $S("bind")), $ CYThis());
+}
+
+CYTarget *CYSuperCall::Replace(CYContext &context) {
+ return $C($C1($M($V(context.super_), $S("bind")), $ CYThis()), arguments_);
}
CYStatement *CYSwitch::Replace(CYContext &context) {
context.Replace(value_);
clauses_->Replace(context);
- return NULL;
+ return this;
}
-CYExpression *CYThis::Replace(CYContext &context) {
- return NULL;
+CYStatement *CYTarget::Initialize(CYContext &context, CYExpression *value) {
+ if (value == NULL)
+ return NULL;
+ return $E($ CYAssign(this, value));
+}
+
+CYTarget *CYTemplate::Replace(CYContext &context) {
+ return $C2($M($M($M($V("String"), $S("prototype")), $S("concat")), $S("apply")), $S(""), $ CYArray($ CYElementValue(string_, spans_->Replace(context))));
}
-CYStatement *CYThrow::Replace(CYContext &context) {
+CYTarget *CYThis::Replace(CYContext &context) {
+ if (context.this_ != NULL)
+ return $V(context.this_->Identifier(context));
+ return this;
+}
+
+namespace cy {
+namespace Syntax {
+
+CYStatement *Throw::Replace(CYContext &context) {
context.Replace(value_);
- return NULL;
+ return this;
}
-CYExpression *CYTrivial::Replace(CYContext &context) {
- return NULL;
+} }
+
+CYTarget *CYTrivial::Replace(CYContext &context) {
+ return this;
}
-CYStatement *CYTry::Replace(CYContext &context) {
- code_.Replace(context);
+CYNumber *CYTrue::Number(CYContext &context) {
+ return $D(1);
+}
+
+CYString *CYTrue::String(CYContext &context) {
+ return $S("true");
+}
+
+namespace cy {
+namespace Syntax {
+
+CYStatement *Try::Replace(CYContext &context) {
+ CYScope scope(true, context);
+ context.ReplaceAll(code_);
+ scope.Close(context);
+
catch_->Replace(context);
finally_->Replace(context);
- return NULL;
+ return this;
}
-CYStatement *CYVar::Replace(CYContext &context) {
- declarations_->Replace(context);
- return NULL;
+} }
+
+CYTarget *CYTypeArrayOf::Replace_(CYContext &context, CYTarget *type) {
+ return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("arrayOf")), $ CYArgument(size_)));
+}
+
+CYTarget *CYTypeBlockWith::Replace_(CYContext &context, CYTarget *type) {
+ return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("blockWith")), parameters_->Argument(context)));
+}
+
+CYTarget *CYTypeConstant::Replace_(CYContext &context, CYTarget *type) {
+ return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("constant"))));
}
-CYExpression *CYVariable::Replace(CYContext &context) {
+CYStatement *CYTypeDefinition::Replace(CYContext &context) {
+ CYIdentifier *identifier(typed_->identifier_);
+ typed_->identifier_ = NULL;
+ return $ CYLexical(false, $B1($B(identifier, $ CYTypeExpression(typed_))));
+}
+
+CYTarget *CYTypeError::Replace(CYContext &context) {
+ _assert(false);
return NULL;
}
+CYTarget *CYTypeExpression::Replace(CYContext &context) {
+ return typed_->Replace(context);
+}
+
+CYTarget *CYTypeModifier::Replace(CYContext &context, CYTarget *type) { $T(type)
+ return Replace_(context, type);
+}
+
+CYTarget *CYTypeFunctionWith::Replace_(CYContext &context, CYTarget *type) {
+ return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("functionWith")), parameters_->Argument(context)));
+}
+
+CYTarget *CYTypeLong::Replace(CYContext &context) {
+ return $ CYCall($ CYDirectMember(specifier_->Replace(context), $ CYString("long")));
+}
+
+CYTarget *CYTypePointerTo::Replace_(CYContext &context, CYTarget *type) {
+ return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("pointerTo"))));
+}
+
+CYTarget *CYTypeShort::Replace(CYContext &context) {
+ return $ CYCall($ CYDirectMember(specifier_->Replace(context), $ CYString("short")));
+}
+
+CYTarget *CYTypeSigned::Replace(CYContext &context) {
+ return $ CYCall($ CYDirectMember(specifier_->Replace(context), $ CYString("signed")));
+}
+
+CYTarget *CYTypeUnsigned::Replace(CYContext &context) {
+ return $ CYCall($ CYDirectMember(specifier_->Replace(context), $ CYString("unsigned")));
+}
+
+CYTarget *CYTypeVariable::Replace(CYContext &context) {
+ return $V(name_);
+}
+
+CYTarget *CYTypeVoid::Replace(CYContext &context) {
+ return $N1($V("Type"), $ CYString("v"));
+}
+
+CYTarget *CYTypeVolatile::Replace_(CYContext &context, CYTarget *type) {
+ return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("volatile"))));
+}
+
+CYTarget *CYTypedIdentifier::Replace(CYContext &context) {
+ return modifier_->Replace(context, specifier_->Replace(context));
+}
+
+CYTypeFunctionWith *CYTypedIdentifier::Function() {
+ CYTypeModifier **modifier(&modifier_);
+ if (*modifier == NULL)
+ return NULL;
+ while ((*modifier)->next_ != NULL)
+ modifier = &(*modifier)->next_;
+ CYTypeFunctionWith *function((*modifier)->Function());
+ if (function == NULL)
+ return NULL;
+ *modifier = NULL;
+ return function;
+}
+
+CYArgument *CYTypedParameter::Argument(CYContext &context) { $T(NULL)
+ return $ CYArgument(typed_->Replace(context), next_->Argument(context));
+}
+
+CYFunctionParameter *CYTypedParameter::Parameters(CYContext &context) { $T(NULL)
+ return $ CYFunctionParameter($ CYBinding(typed_->identifier_ ?: context.Unique()), next_->Parameters(context));
+}
+
+CYExpression *CYTypedParameter::TypeSignature(CYContext &context, CYExpression *prefix) { $T(prefix)
+ return next_->TypeSignature(context, $ CYAdd(prefix, typed_->Replace(context)));
+}
+
+CYForInitializer *CYVar::Replace(CYContext &context) {
+ if (CYExpression *expression = bindings_->Replace(context, CYIdentifierVariable))
+ return $E(expression);
+ return $ CYEmpty();
+}
+
+CYTarget *CYVariable::Replace(CYContext &context) {
+ name_ = name_->Replace(context, CYIdentifierGlobal);
+ return this;
+}
+
+CYFunctionParameter *CYVariable::Parameter() const {
+ return $ CYFunctionParameter($ CYBinding(name_));
+}
+
CYStatement *CYWhile::Replace(CYContext &context) {
context.Replace(test_);
- context.Replace(code_);
- return NULL;
+ context.ReplaceAll(code_);
+ return this;
}
CYStatement *CYWith::Replace(CYContext &context) {
context.Replace(scope_);
- context.Replace(code_);
- return NULL;
+ CYScope scope(true, context);
+ scope.Damage();
+ context.ReplaceAll(code_);
+ scope.Close(context);
+ return this;
}
-CYExpression *CYWord::ClassName(CYContext &context, bool object) {
- CYString *name($S(this));
- if (object)
- return $C1($V("objc_getClass"), name);
- else
- return name;
+CYExpression *CYWord::PropertyName(CYContext &context) {
+ return $S(this);
}
projects / cycript.git / blobdiff