Add support to @encode, Decode_, and With blocks.

[cycript.git] / Replace.cpp

diff --git a/Replace.cpp b/Replace.cpp
index 9040f1af1976359fd4d90c1fd2e739db07a8de5e..83a5c47328840c8238115c6908ac47563dafa51b 100644 (file)
--- a/Replace.cpp
+++ b/Replace.cpp
@@ -1,20 +1,20 @@
 /* Cycript - Optimizing JavaScript Compiler/Runtime
- * Copyright (C) 2009-2010  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/>.
 **/
 /* }}} */
@@ -155,6 +155,15 @@ CYExpression *CYCompound::Replace(CYContext &context) {
     return this;
 }
 
+CYExpression *CYCompound::Primitive(CYContext &context) {
+    CYExpression *expression(expressions_);
+    if (expression == NULL)
+        return NULL;
+    while (expression->next_ != NULL)
+        expression = expression->next_;
+    return expression->Primitive(context);
+}
+
 CYFunctionParameter *CYComprehension::Parameters(CYContext &context) const { $T(NULL)
     CYFunctionParameter *next(next_->Parameters(context));
     if (CYFunctionParameter *parameter = Parameter(context)) {
@@ -201,7 +210,7 @@ void CYContext::NonLocal(CYStatement *&statements) {
 }
 
 CYIdentifier *CYContext::Unique() {
-    return $ CYIdentifier(apr_psprintf($pool, "$cy%u", unique_++));
+    return $ CYIdentifier($pool.strcat("$cy", $pool.itoa(unique_++), NULL));
 }
 
 CYStatement *CYContinue::Replace(CYContext &context) {
@@ -280,6 +289,10 @@ CYStatement *CYEmpty::Replace(CYContext &context) {
     return NULL;
 }
 
+CYExpression *CYEncodedType::Replace(CYContext &context) {
+    return typed_->Replace(context);
+}
+
 CYStatement *CYExpress::Replace(CYContext &context) {
     while (CYExpress *express = dynamic_cast<CYExpress *>(next_)) {
         CYCompound *compound(dynamic_cast<CYCompound *>(express->expression_));
@@ -321,6 +334,12 @@ 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);
 }
@@ -402,6 +421,9 @@ void CYFunction::Replace_(CYContext &context, bool outer) {
     if (outer)
         Inject(context);
 
+    CYThisScope *_this(context.this_);
+    context.this_ = CYGetLast(&this_);
+
     CYNonLocal *nonlocal(context.nonlocal_);
     CYNonLocal *nextlocal(context.nextlocal_);
 
@@ -423,12 +445,19 @@ void CYFunction::Replace_(CYContext &context, bool outer) {
     parameters_->Replace(context, code_);
     code_.Replace(context);
 
+    if (CYIdentifier *identifier = this_.identifier_)
+        code_.statements_ = $$->*
+            $ CYVar($L1($ CYDeclaration(identifier, $ CYThis())))->*
+            code_.statements_;
+
     if (localize)
         context.NonLocal(code_.statements_);
 
     context.nextlocal_ = nextlocal;
     context.nonlocal_ = nonlocal;
 
+    context.this_ = _this;
+
     scope.Close();
 }
 
@@ -496,6 +525,10 @@ CYStatement *CYLabel::Replace(CYContext &context) {
     return this;
 }
 
+CYExpression *CYLambda::Replace(CYContext &context) {
+    return $N2($V("Functor"), $ CYFunctionExpression(NULL, parameters_->Parameters(context), statements_), parameters_->TypeSignature(context, typed_->Replace(context)));
+}
+
 CYStatement *CYLetStatement::Replace(CYContext &context) {
     return $E($ CYCall(CYNonLocalize(context, $ CYFunctionExpression(NULL, declarations_->Parameter(context), code_)), declarations_->Argument(context)));
 }
@@ -504,7 +537,7 @@ namespace cy {
 namespace Syntax {
 
 CYExpression *New::AddArgument(CYContext &context, CYExpression *value) {
-    CYSetLast(arguments_, $ CYArgument(value));
+    CYSetLast(arguments_) = $ CYArgument(value);
     return this;
 }
 
@@ -530,7 +563,7 @@ CYNumber *CYNumber::Number(CYContext &context) {
 
 CYString *CYNumber::String(CYContext &context) {
     // XXX: there is a precise algorithm for this
-    return $S(apr_psprintf($pool, "%.17g", Value()));
+    return $S($pool.sprintf(24, "%.17g", Value()));
 }
 
 CYExpression *CYObject::Replace(CYContext &context) {
@@ -594,7 +627,7 @@ void CYProgram::Replace(CYContext &context) {
         const char *name;
 
         if (context.options_.verbose_)
-            name = apr_psprintf($pool, "$%"APR_SIZE_T_FMT"", offset);
+            name = $pool.strcat("$", $pool.itoa(offset), NULL);
         else {
             char id[8];
             id[7] = '\0';
@@ -613,7 +646,7 @@ void CYProgram::Replace(CYContext &context) {
                 goto id;
             }
 
-            name = apr_pstrmemdup($pool, id + position, 7 - position);
+            name = $pool.strmemdup(id + position, 7 - position);
             // XXX: at some point, this could become a keyword
         }
 
@@ -797,6 +830,8 @@ CYStatement *CYSwitch::Replace(CYContext &context) {
 }
 
 CYExpression *CYThis::Replace(CYContext &context) {
+    if (context.this_ != NULL)
+        return $V(context.this_->Identifier(context));
     return this;
 }
 
@@ -834,6 +869,54 @@ CYStatement *Try::Replace(CYContext &context) {
 
 } }
 
+CYExpression *CYTypeArrayOf::Replace_(CYContext &context, CYExpression *type) {
+    return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("arrayOf")), $ CYArgument(size_)));
+}
+
+CYExpression *CYTypeBlockWith::Replace_(CYContext &context, CYExpression *type) {
+    return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("blockWith")), parameters_->Argument(context)));
+}
+
+CYExpression *CYTypeConstant::Replace_(CYContext &context, CYExpression *type) {
+    return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("constant"))));
+}
+
+CYStatement *CYTypeDefinition::Replace(CYContext &context) {
+    return $E($ CYAssign($V(typed_->identifier_), typed_->Replace(context)));
+}
+
+CYExpression *CYTypeModifier::Replace(CYContext &context, CYExpression *type) { $T(type)
+    return Replace_(context, type);
+}
+
+CYExpression *CYTypeFunctionWith::Replace_(CYContext &context, CYExpression *type) {
+    return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("functionWith")), parameters_->Argument(context)));
+}
+
+CYExpression *CYTypePointerTo::Replace_(CYContext &context, CYExpression *type) {
+    return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("pointerTo"))));
+}
+
+CYExpression *CYTypeVolatile::Replace_(CYContext &context, CYExpression *type) {
+    return next_->Replace(context, $ CYCall($ CYDirectMember(type, $ CYString("volatile"))));
+}
+
+CYExpression *CYTypedIdentifier::Replace(CYContext &context) {
+    return modifier_->Replace(context, type_);
+}
+
+CYArgument *CYTypedParameter::Argument(CYContext &context) { $T(NULL)
+    return $ CYArgument(typed_->Replace(context), next_->Argument(context));
+}
+
+CYFunctionParameter *CYTypedParameter::Parameters(CYContext &context) { $T(NULL)
+    return $ CYFunctionParameter($ CYDeclaration(typed_->identifier_ ?: context.Unique()), next_->Parameters(context));
+}
+
+CYExpression *CYTypedParameter::TypeSignature(CYContext &context, CYExpression *prefix) { $T(prefix)
+    return next_->TypeSignature(context, $ CYAdd(prefix, typed_->type_->Replace(context)));
+}
+
 CYStatement *CYVar::Replace(CYContext &context) {
     declarations_->Replace(context);
     return $E(declarations_->Compound(context));