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Execute Brain****/Elena: Difference between revisions

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Execute Brain****/Elena (view source)

Revision as of 07:23, 27 March 2020

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<lang elena>import system'collections;
import system'routines;
import system'dynamic'expressions;
 
import extensions;
import extensions'scripting;
 
import extensions'dynamic'expressions;
const bf_program = "++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.";▼
 
class TapeAssembler
{
Stack theBrackets;
List<TapeExpressionExpression> theTape;
constructor()
{
theBrackets := new Stack();
theTape := new List<TapeExpressionExpression>();
<= ()▼
theTape.append(TapeExpressionExpression.DeclaringDeclareAndAssigning("ptr"));
new ScopeVariable("ptr"),
theTape.append(TapeExpression.Assigning("ptr", TapeExpression.Constant(0)))
Expression.Constant(0)));
}
constructor load(assembly_program)
▲ <= ()
{
assembly_program(self)
}
open()
{
theBrackets.push(theTape);
theTape := new List<TapeExpressionExpression>();
}
close()
{
var loop := TapeExpressionExpression.Loop(
TapeExpressionExpression.MessageCall(
TapeExpression.MessageCallnew Message("notequal[2]"),
TapeExpressionExpression.VariableMessageCall("tape"),
new Message("at[2]"),
TapeExpressionExpression.Variable("ptrtape"),
TapeExpressionExpression.ConstantVariable(console"ptr"), ▼
),
"notequal",Expression.Constant($0)
TapeExpression.Constant($0)),
TapeExpressionExpression.CodeCodeBlock(theTape.Value));
theTape := theBrackets.pop();
theTape.append(loop)
}
input()
{
theTape.append(TapeExpression.MessageCall(
TapeExpressionExpression.VariableMessageCall("tape"),
new Message("setAt[3]"),
TapeExpressionExpression.Variable(new ScopeVariable("ptrtape")),
Expression.Variable(new TapeExpression.MessageCallScopeVariable("ptr")),
TapeExpressionExpression.ConstantMessageCall(console),
new Message("readChar[1]"),
))Expression.Constant(console)
)
)
)
}
output()
{
theTape.append(TapeExpression.MessageCall(
Expression.MessageCall(
▲ TapeExpression.Constant(console),
new Message("write[2]"),
TapeExpressionExpression.MessageCallConstant(console),
TapeExpressionExpression.VariableMessageCall("tape"),
new Message("at[2]"),
TapeExpressionExpression.Variable(new ScopeVariable("ptrtape")),
Expression.Variable(new )ScopeVariable("ptr"))
)
)
)
}
next()
{
theTape.append(TapeExpression.Assigning(
"ptr",Expression.Assigning(
TapeExpression.MessageCall new ScopeVariable("ptr"),
TapeExpressionExpression.VariableMessageCall("ptr"),
new Message("add[2]"),
TapeExpression Expression.ConstantVariable(1))new ScopeVariable("ptr")),
Expression.Constant(1))))
}
previous()
{
theTape.append(TapeExpression.Assigning(
"ptr",Expression.Assigning(
TapeExpression.MessageCall new ScopeVariable("ptr"),
TapeExpressionExpression.VariableMessageCall("ptr"),
new Message("subtract[2]"),
TapeExpression Expression.ConstantVariable(1))new ScopeVariable("ptr")),
Expression.Constant(1))))
}
increase()
{
theTape.append(TapeExpression.MessageCall(
TapeExpressionExpression.VariableMessageCall("tape"),
new Message("setAt[3]"), "setAt",
TapeExpressionExpression.Variable("ptrtape"),
TapeExpressionExpression.MessageCallVariable("ptr"),
TapeExpressionExpression.ConstantMessageCall(CharValue),
new Message("load[2]"), "load",
TapeExpressionExpression.MessageCallConstant(CharValue),
TapeExpressionExpression.MessageCall(
new TapeExpression.ConstantMessage(convertor"add[2]"),
Expression.MessageCall( "toInt",
new Message("toInt[2]"), TapeExpression.MessageCall(
TapeExpressionExpression.VariableConstant("tape"convertor),
"at",Expression.MessageCall(
new TapeExpression.VariableMessage("ptrat[2]")),
Expression.Variable("tape"),
Expression.Variable("addptr",)
TapeExpression.Constant(1)))))
),
Expression.Constant(1)
)
)
));
}
decrease()
{
theTape.append(TapeExpression.MessageCall(
TapeExpressionExpression.VariableMessageCall("tape"),
new Message("setAt[3]"), "setAt",
TapeExpressionExpression.Variable("ptrtape"),
TapeExpressionExpression.MessageCallVariable("ptr"),
TapeExpressionExpression.ConstantMessageCall(CharValue),
new Message("load[2]"), "load",
TapeExpressionExpression.MessageCallConstant(CharValue),
TapeExpressionExpression.MessageCall(
new TapeExpression.ConstantMessage(convertor"subtract[2]"),
Expression.MessageCall( "toInt",
new Message("toInt[2]"), TapeExpression.MessageCall(
TapeExpressionExpression.VariableConstant("tape"convertor),
"at",Expression.MessageCall(
new TapeExpression.VariableMessage("ptrat[2]")),
Expression.Variable("tape"),
Expression.Variable("subtractptr",)
TapeExpression.Constant(1)))))
),
Expression.Constant(1)
)
)
));
}
getcompiled()
{
var program := TapeExpressionDynamicSingleton.Singletonnew(
TapeExpression Expression.Method(
"eval",
TapeExpression.Code new ScopeVariable(theTape.Value"tape"),
TapeExpression Expression.ParameterCodeBlock("tape"theTape.Value))).compiled();
var^(tape){ o := (program.compiledeval(tape))(); }
^(tape){ o.eval(tape) }
}
}
 
▲const bf_program = "++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.";
public program()
{
var bfAssemblyProgram := new ScriptEngine() ▼
console.writeLine:bf_program;▼
.loadPath:("asmrules.es")▼
▲ console .writeLine:buildScript(bf_program);
▲ var bfAssemblyProgram := new ScriptEngine()
 
▲ .loadPath:"asmrules.es"
var bfProgram := TapeAssembler.load(bfAssemblyProgram).compiled();
.eval(bf_program);
 
var bfProgrambfTape := new TapeAssemblerArray.allocate(bfAssemblyProgram1024).getpopulate:(n => $0);
 
var bfTape := Array.allocate(1024).populate:(int n => $0);
bfProgram(bfTape)
}</lang>
The grammar:
<lang elena>[[
#grammar transformbuild
#grammar cf
 
#define start ::= <= system'dynamic'ClosureTape ( > => command commands <= " * system'dynamic'ClosureTape= " # ) =>;
#define start ::= $eof;
 
#define commands ::= command commands;
Line 180 ⟶ 194:
#define commands ::= $eof;
 
#define command ::= <= += " %""output[0]"" system'dynamic'MessageClosure ^( ""newoutput[1]"" " ) => ".";
#define command ::= <= += " %""input[0]"" system'dynamic'MessageClosure ^( ""newinput[1]"" " ) => ",";
#define command ::= <= += " %""previous[0]"" system'dynamic'MessageClosure ^( ""newprevious[1]"" ") => "<";
#define command ::= <= += " %""next[0]"" system'dynamic'MessageClosure ^( ""newnext[1]"" " ) => ">";
#define command ::= <= += " %""increase[0]"" system'dynamic'MessageClosure ^( ""newincrease[1]"" ") => "+";
#define command ::= <= += " %""decrease[0]"" system'dynamic'MessageClosure ^( ""newdecrease[1]"" ") => "-";
#define command ::= <= += " %""open[0]"" system'dynamic'MessageClosure ^( ""newopen[1]"" " ) => "[";
#define command ::= <= += " %""close[0]"" system'dynamic'MessageClosure ^( ""newclose[1]"" " ) => "]";
 
#define comment ::= " " comments;
Line 201 ⟶ 215:
{{out}}
<pre>
ELENA VM 4.0.14 (C)2005-2019 by Alex Rakov
Initializing...
Done...
++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.
Hello World!
Anonymous user
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