Peel away CYCompound layers to fix tab completion.

[cycript.git] / Console.cpp

diff --git a/Console.cpp b/Console.cpp
index c9bce69c63178ea577fd490f8ed1635b98d93f25..d669e67239ff008726de6258bd6c6c0bee187852 100644 (file)
--- a/Console.cpp
+++ b/Console.cpp
@@ -1,40 +1,22 @@
-/* Cycript - Inlining/Optimizing JavaScript Compiler
- * Copyright (C) 2009  Jay Freeman (saurik)
+/* Cycript - Optimizing JavaScript Compiler/Runtime
+ * Copyright (C) 2009-2012  Jay Freeman (saurik)
 */
 
-/* Modified BSD License {{{ */
+/* GNU Lesser General Public License, Version 3 {{{ */
 /*
- *        Redistribution and use in source and binary
- * forms, with or without modification, are permitted
- * provided that the following conditions are met:
+ * 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.
  *
- * 1. Redistributions of source code must retain the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the
- *    above copyright notice, this list of conditions
- *    and the following disclaimer in the documentation
- *    and/or other materials provided with the
- *    distribution.
- * 3. The name of the author may not be used to endorse
- *    or promote products derived from this software
- *    without specific prior written permission.
+ * 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.
  *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
+**/
 /* }}} */
 
 #include "cycript.hpp"
@@ -229,11 +211,16 @@ static CYExpression *ParseExpression(CYUTF8String code) {
     Setup(driver, parser);
 
     if (parser.parse() != 0 || !driver.errors_.empty())
-        _assert(false);
+        return NULL;
+
+    CYOptions options;
+    CYContext context(options);
+
+    // XXX: this could be replaced with a CYStatement::Primitive()
+    if (CYExpress *express = dynamic_cast<CYExpress *>(driver.program_->statements_))
+        return express->expression_->Primitive(context);
 
-    CYExpress *express(dynamic_cast<CYExpress *>(driver.program_->statements_));
-    _assert(express != NULL);
-    return express->expression_;
+    return NULL;
 }
 
 static int client_;
@@ -282,7 +269,7 @@ static char **Complete(const char *word, int start, int end) {
 
         case CYDriver::AutoMessage: {
             CYDriver::Context &thing(driver.contexts_.back());
-            expression = $M($M($ CYIndirect(thing.context_), $S("isa")), $S("messages"));
+            expression = $M($C1($V("object_getClass"), thing.context_), $S("messages"));
             for (CYDriver::Context::Words::const_iterator part(thing.words_.begin()); part != thing.words_.end(); ++part)
                 prefix << (*part)->word_ << ':';
         } break;
@@ -315,6 +302,9 @@ static char **Complete(const char *word, int start, int end) {
     CYUTF8String json(Run(pool, client_, code));
 
     CYExpression *result(ParseExpression(json));
+    if (result == NULL)
+        return NULL;
+
     CYArray *array(dynamic_cast<CYArray *>(result));
 
     if (array == NULL) {
@@ -331,7 +321,7 @@ static char **Complete(const char *word, int start, int end) {
     std::string common;
     bool rest(false);
 
-    for (CYElement *element(array->elements_); element != NULL; element = element->next_) {
+    CYForEach (element, array->elements_) {
         CYString *string(dynamic_cast<CYString *>(element->value_));
         _assert(string != NULL);
 
@@ -500,7 +490,7 @@ static void Console(CYOptions &options) {
             if (parser.parse() != 0 || !driver.errors_.empty()) {
                 for (CYDriver::Errors::const_iterator error(driver.errors_.begin()); error != driver.errors_.end(); ++error) {
                     cy::position begin(error->location_.begin);
-                    if (begin.line != lines.size() || begin.column - 1 != lines.back().size() || error->warning_) {
+                    if (begin.line != lines.size() || begin.column < lines.back().size() || error->warning_) {
                         cy::position end(error->location_.end);
 
                         if (begin.line != lines.size()) {
@@ -509,7 +499,7 @@ static void Console(CYOptions &options) {
                         }
 
                         std::cerr << "....";
-                        for (size_t i(0); i != begin.column - 1; ++i)
+                        for (size_t i(0); i != begin.column; ++i)
                             std::cerr << '.';
                         if (begin.line != end.line || begin.column == end.column)
                             std::cerr << '^';
@@ -591,7 +581,7 @@ int Main(int argc, char const * const argv[], char const * const envp[]) {
     bool compile(false);
     CYOptions options;
 
-    append_history$ = reinterpret_cast<int (*)(int, const char *)>(dlsym(RTLD_DEFAULT, "append_history"));
+    append_history$ = (int (*)(int, const char *)) (dlsym(RTLD_DEFAULT, "append_history"));
 
 #ifdef CY_ATTACH
     pid_t pid(_not(pid_t));