Fixed problem with alloc.

alethzero/Main.ui

@@ -1288,7 +1288,8 @@ font-size: 14pt</string>
          <property name="styleSheet">
           <string notr="true">background: white;
 border: 0;
-font-family: Monospace, Ubuntu Mono, Lucida Console, Courier New</string>
+font-family: Monospace, Ubuntu Mono, Lucida Console, Courier New;
+font-size: 12pt</string>
          </property>
          <property name="inputMask">
           <string/>

alethzero/MainWin.cpp

@@ -118,7 +118,7 @@ Main::Main(QWidget *parent) :
 
 	connect(ui->ourAccounts->model(), SIGNAL(rowsMoved(const QModelIndex &, int, int, const QModelIndex &, int)), SLOT(ourAccountsRowsMoved()));
 
-#if ETH_DEBUG
+#if 0&&ETH_DEBUG
 	m_servers.append("192.168.0.10:30301");
 #else
     int pocnumber = QString(eth::EthVersion).section('.', 1, 1).toInt();
@@ -985,7 +985,7 @@ void Main::on_data_textChanged()
 			{
 				try
 				{
-					m_data = eth::asBytes(compile(src));
+					m_data = compile(src);
 					for (auto& i: errors)
 						i = "(LLL " + i + ")";
 				}

libethcore/TrieDB.h

@@ -42,7 +42,7 @@ extern const h256 c_shaNull;
 
 /**
  * @brief Merkle Patricia Tree "Trie": a modifed base-16 Radix tree.
- * This version uses an LDB backend
+ * This version uses an database backend.
  * Usage:
  * @code
  * GenericTrieDB<MyDB> t(&myDB);
@@ -153,6 +153,7 @@ public:
 	std::string at(bytesConstRef _key) const;
 	void insert(bytesConstRef _key, bytesConstRef _value);
 	void remove(bytesConstRef _key);
+	void contains(bytesConstRef _key) { return !at(_key).empty(); }
 
 	class iterator
 	{
@@ -274,6 +275,7 @@ public:
 
 	std::string operator[](KeyType _k) const { return at(_k); }
 
+	bool contains(KeyType _k) const { return GenericTrieDB<DB>::contains(bytesConstRef((byte const*)&_k, sizeof(KeyType))); }
 	std::string at(KeyType _k) const { return GenericTrieDB<DB>::at(bytesConstRef((byte const*)&_k, sizeof(KeyType))); }
 	void insert(KeyType _k, bytesConstRef _value) { GenericTrieDB<DB>::insert(bytesConstRef((byte const*)&_k, sizeof(KeyType)), _value); }
 	void insert(KeyType _k, bytes const& _value) { insert(_k, bytesConstRef(&_value)); }

libethential/CMakeLists.txt

@@ -1,4 +1,5 @@
 cmake_policy(SET CMP0015 NEW)
+cmake_policy(SET CMP0022 NEW)
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DSTATICLIB")
 
@@ -16,7 +17,6 @@ include_directories(..)
 target_link_libraries(${EXECUTABLE} ethential)
 target_link_libraries(${EXECUTABLE} gmp)
 
-
 if(${TARGET_PLATFORM} STREQUAL "w64")
 	include_directories(/usr/x86_64-w64-mingw32/include/cryptopp)
 	target_link_libraries(${EXECUTABLE} boost_thread_win32-mt-s)

libethereum/Client.h

@@ -140,14 +140,13 @@ public:
 	BlockChain const& blockChain() const { return m_bc; }
 
 	// [NEW API]
-/*
-	u256 balanceAt(Address _a, unsigned _age = 1) const;
-	u256 countAt(Address _a, unsigned _age = 1) const;
-	u256 stateAt(Address _a, u256 _l, unsigned _age = 1) const;
-	bytes codeAt(Address _a, unsigned _age = 1) const;
 
-	Transactions transactions(Addresses const& _from, Addresses const& _to, std::vector<std::pair<u256, u256>> const& _stateAlterations, Addresses const& _altered, unsigned _ageFrom = 0, unsigned _ageTo, unsigned _max) const;
-*/
+	u256 balanceAt(Address _a, int _block = -1) const;
+	u256 countAt(Address _a, int _block = -1) const;
+	u256 stateAt(Address _a, u256 _l, int _block = -1) const;
+	bytes codeAt(Address _a, int _block = -1) const;
+	Transactions transactions(Addresses const& _from, Addresses const& _to, std::vector<std::pair<u256, u256>> const& _stateAlterations, Addresses const& _altered, int _blockFrom = 0, int _blockTo = -1, unsigned _max = 10) const;
+
 	// Misc stuff:
 
 	void setClientVersion(std::string const& _name) { m_clientVersion = _name; }

libevm/All.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include "ExtVMFace.h"
+#include "FeeStructure.h"
+#include "VM.h"

liblll/Assembly.cpp

@@ -176,6 +176,11 @@ AssemblyItem const& Assembly::append(AssemblyItem const& _i)
 	return back();
 }
 
+void Assembly::injectStart(AssemblyItem const& _i)
+{
+	m_items.insert(m_items.begin(), _i);
+}
+
 inline bool matches(AssemblyItemsConstRef _a, AssemblyItemsConstRef _b)
 {
 	if (_a.size() != _b.size())

liblll/Assembly.h

@@ -98,6 +98,8 @@ public:
 
 	void popTo(int _deposit) { while (m_deposit > _deposit) append(Instruction::POP); }
 
+	void injectStart(AssemblyItem const& _i);
+
 	std::string out() const { std::stringstream ret; streamOut(ret); return ret.str(); }
 	int deposit() const { return m_deposit; }
 	bytes assemble() const;

liblll/CodeFragment.cpp

@@ -19,7 +19,6 @@
  * @date 2014
  */
 
-#include "Parser.h"
 #include "CodeFragment.h"
 
 #include <boost/algorithm/string.hpp>
@@ -27,12 +26,30 @@
 #include <libethential/Log.h>
 #include <libevmface/Instruction.h>
 #include "CompilerState.h"
+#include "Parser.h"
 using namespace std;
 using namespace eth;
 namespace qi = boost::spirit::qi;
 namespace px = boost::phoenix;
 namespace sp = boost::spirit;
 
+void CodeFragment::finalise(CompilerState const& _cs)
+{
+	if (_cs.usedAlloc && _cs.vars.size() && !m_finalised)
+	{
+		m_finalised = true;
+		m_asm.injectStart(Instruction::MSTORE8);
+		m_asm.injectStart((u256)((_cs.vars.size() + 2) * 32) - 1);
+		m_asm.injectStart((u256)1);
+	}
+}
+
+bytes CodeFragment::code(CompilerState const& _cs)
+{
+	finalise(_cs);
+	return m_asm.assemble();
+}
+
 CodeFragment::CodeFragment(sp::utree const& _t, CompilerState& _s, bool _allowASM)
 {
 /*	cdebug << "CodeFragment. Locals:";
@@ -317,6 +334,7 @@ void CodeFragment::constructOperation(sp::utree const& _t, CompilerState& _s)
 		vector<CodeFragment> code;
 		CompilerState ns = _s;
 		ns.vars.clear();
+		ns.usedAlloc = false;
 		int c = _t.tag() ? 1 : 0;
 		for (auto const& i: _t)
 			if (c++)
@@ -456,13 +474,30 @@ void CodeFragment::constructOperation(sp::utree const& _t, CompilerState& _s)
 			m_asm.appendJump(begin);
 			m_asm << end.tag();
 		}
+		else if (us == "ALLOC")
+		{
+			requireSize(1);
+			requireDeposit(0, 1);
+
+			m_asm.append(Instruction::MEMSIZE);
+			m_asm.append(u256(0));
+			m_asm.append(u256(1));
+			m_asm.append(code[0].m_asm, 1);
+			m_asm.append(Instruction::MEMSIZE);
+			m_asm.append(Instruction::ADD);
+			m_asm.append(Instruction::SUB);
+			m_asm.append(Instruction::MSTORE8);
+
+			_s.usedAlloc = true;
+		}
 		else if (us == "LLL")
 		{
 			requireMinSize(2);
 			requireMaxSize(3);
 			requireDeposit(1, 1);
 
-			bytes const& subcode = code[0].code();
+			code[0].optimise();
+			bytes subcode = code[0].code(ns);
 
 			m_asm.append((u256)subcode.size());
 			m_asm.append(Instruction::DUP);

liblll/CodeFragment.h

@@ -43,18 +43,21 @@ public:
 	static CodeFragment compile(std::string const& _src, CompilerState& _s);
 
 	/// Consolidates data and compiles code.
-	bytes code() const { return m_asm.assemble(); }
+	bytes code(CompilerState const& _cs);
 
 	/// Consolidates data and compiles code.
-	std::string assembly() const { return m_asm.out(); }
+	std::string assembly(CompilerState const& _cs) { finalise(_cs); return m_asm.out(); }
 
 	/// Optimise the code. Best do this just before calling code() or assembly().
 	void optimise() { m_asm.optimise(); }
 
 private:
+	void finalise(CompilerState const& _cs);
+
 	template <class T> void error() const { throw T(); }
 	void constructOperation(sp::utree const& _t, CompilerState& _s);
 
+	bool m_finalised = false;
 	Assembly m_asm;
 };
 

liblll/Compiler.cpp

@@ -36,7 +36,7 @@ bytes eth::compileLLL(string const& _src, bool _opt, vector<string>* _errors)
 		auto f = CodeFragment::compile(_src, cs);
 		if (_opt)
 			f.optimise();
-		bytes ret = f.code();
+		bytes ret = f.code(cs);
 		for (auto i: cs.treesToKill)
 			killBigints(i);
 		return ret;
@@ -63,7 +63,7 @@ std::string eth::compileLLLToAsm(std::string const& _src, bool _opt, std::vector
 		auto f = CodeFragment::compile(_src, cs);
 		if (_opt)
 			f.optimise();
-		string ret = f.assembly();
+		string ret = f.assembly(cs);
 		for (auto i: cs.treesToKill)
 			killBigints(i);
 		return ret;

liblll/CompilerState.cpp

@@ -52,8 +52,7 @@ void CompilerState::populateStandard()
 	"(def 'regname (name) { [0]:name (call (- (gas) 21) namereg 0 0 32 0 0) })"
 	"(def 'send (to value) (call (- (gas) 21) to value 0 0 0 0))"
 	"(def 'send (gaslimit to value) (call gaslimit to value 0 0 0 0))"
-	"(def 'alloc (len) (asm msize 0 1 len msize add sub mstore8))"
-	"(def 'msg (gaslimit to value data datasize outsize) { [32]:outsize [0]:(alloc @32) (call gaslimit to value data datasize @0 @32) @0 })"
+	"(def 'msg (gaslimit to value data datasize outsize) { (set x outsize) (set y (alloc @32)) (call gaslimit to value data datasize @0 @32) @0 })"
 	"(def 'msg (gaslimit to value data datasize) { (call gaslimit to value data datasize 0 32) @0 })"
 	"(def 'msg (gaslimit to value data) { [0]:data (msg gaslimit to value 0 32) })"
 	"(def 'msg (to value data) { [0]:data (msg 0 to value 0 32) })"

liblll/CompilerState.h

@@ -48,6 +48,7 @@ struct CompilerState
 	std::map<std::string, CodeFragment> outers;
 	std::map<std::pair<std::string, unsigned>, Macro> macros;
 	std::vector<boost::spirit::utree> treesToKill;
+	bool usedAlloc = false;
 };
 
 }

sc/cmdline.cpp

@@ -10,7 +10,7 @@ int main(int argv, char** argc) {
     if (argv == 1) {
         std::cerr << "Must provide a command and arguments! Try parse, rewrite, compile, assemble\n";
         return 0;
-    }
+	}
     std::string flag = "";
     std::string command = argc[1];
     std::string input;