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Added an open/close interface to the context class.

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This commit is contained in:
arookas 2015-12-23 20:03:14 -05:00
parent 44eab8e9e6
commit cde799eadd
2 changed files with 24 additions and 26 deletions
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5
ssc/compiler.cs
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@ -24,11 +24,12 @@ namespace arookas
{
throw new ArgumentNullException("resolver");
}
var context = new sunContext();
var results = new sunCompilerResults();
var timer = Stopwatch.StartNew();
try
{
sunContext context = new sunContext(output, resolver);
context.Open(output, resolver);
var result = context.Import(name);
if (result != sunImportResult.Loaded)
{
@ -48,7 +49,7 @@ namespace arookas
results.BuiltinCount = context.SymbolTable.BuiltinCount;
results.FunctionCount = context.SymbolTable.FunctionCount;
results.VariableCount = context.SymbolTable.VariableCount;
context.Dispose();
context.Close();
}
catch (sunCompilerException ex)
{

45
ssc/context.cs
View file

@ -6,7 +6,7 @@ using System.Text;
namespace arookas
{
class sunContext : aDisposable
class sunContext
{
aBinaryWriter writer;
uint textOffset, dataOffset, symbolOffset;
@ -19,13 +19,20 @@ namespace arookas
public sunLoopStack Loops { get; private set; }
public sunImportResolver ImportResolver { get; private set; }
// open/close
public sunContext(Stream output)
: this(output, sunImportResolver.Default)
public sunContext()
{
DataTable = new sunDataTable();
SymbolTable = new sunSymbolTable();
Scopes = new sunScopeStack();
Loops = new sunLoopStack();
}
public sunContext(Stream output, sunImportResolver importResolver)
// open/close
public void Open(Stream output)
{
Open(output, sunImportResolver.Default);
}
public void Open(Stream output, sunImportResolver importResolver)
{
if (output == null)
{
@ -35,12 +42,7 @@ namespace arookas
{
throw new ArgumentNullException("importResolver");
}
DataTable = new sunDataTable();
SymbolTable = new sunSymbolTable();
Scopes = new sunScopeStack();
Loops = new sunLoopStack();
ImportResolver = importResolver;
writer = new aBinaryWriter(output, Endianness.Big, Encoding.GetEncoding(932));
Text = new sunWriter(writer);
writer.PushAnchor();
@ -62,20 +64,15 @@ namespace arookas
DeclareSystemBuiltin("typeof", false, "x");
DeclareSystemBuiltin("print", true);
}
protected override bool Dispose(bool destructor)
public void Close()
{
if (!destructor)
{
writer.PopAnchor();
dataOffset = (uint)writer.Position;
DataTable.Write(writer);
symbolOffset = (uint)writer.Position;
SymbolTable.Write(writer);
writer.Goto(0);
WriteHeader();
return true; // don't dispose the writer so the stream doesn't get disposed
}
return false;
writer.PopAnchor();
dataOffset = (uint)writer.Position;
DataTable.Write(writer);
symbolOffset = (uint)writer.Position;
SymbolTable.Write(writer);
writer.Goto(0);
WriteHeader();
}
// imports/compilation