sms/ssc
1
0
Fork 0
Code Issues Pull requests Releases 2 Activity

Added a name-label stack.

Browse source 
Not like it really needs to be a stack, but just in case.
This commit is contained in:
arookas 2015-12-28 20:16:12 -05:00
parent a7da66f9a9
commit 75be2d41c1
1 changed files with 17 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
ssc/context.cs
View file

@ -1,5 +1,6 @@
using arookas.IO.Binary; using arookas.IO.Binary;
using System; using System;
using System.Collections.Generic;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
using System.Text; using System.Text;
@ -9,6 +10,7 @@ namespace arookas {
bool mOpen; bool mOpen;
aBinaryWriter mWriter; aBinaryWriter mWriter;
uint mTextOffset, mDataOffset, mSymbolOffset; uint mTextOffset, mDataOffset, mSymbolOffset;
Stack<sunNameLabel> mNameStack;
public sunWriter Text { get; private set; } public sunWriter Text { get; private set; }
public sunDataTable DataTable { get; private set; } public sunDataTable DataTable { get; private set; }
@ -22,6 +24,7 @@ namespace arookas {
SymbolTable = new sunSymbolTable(); SymbolTable = new sunSymbolTable();
Scopes = new sunScopeStack(); Scopes = new sunScopeStack();
Loops = new sunLoopStack(); Loops = new sunLoopStack();
mNameStack = new Stack<sunNameLabel>(5);
} }
// open/close // open/close
@ -41,6 +44,7 @@ namespace arookas {
SymbolTable.Clear(); SymbolTable.Clear();
Scopes.Clear(); Scopes.Clear();
Loops.Clear(); Loops.Clear();
mNameStack.Clear();
ImportResolver = importResolver; ImportResolver = importResolver;
mWriter = new aBinaryWriter(output, Endianness.Big, Encoding.GetEncoding(932)); mWriter = new aBinaryWriter(output, Endianness.Big, Encoding.GetEncoding(932));
Text = new sunWriter(mWriter); Text = new sunWriter(mWriter);
@ -215,6 +219,19 @@ namespace arookas {
return symbol; return symbol;
} }
public void PushNameLabel(sunNameLabel label) {
if (label == null) {
throw new ArgumentNullException("label");
}
mNameStack.Push(label);
}
public sunNameLabel PopNameLabel() {
if (mNameStack.Count > 0) {
return mNameStack.Pop();
}
return null;
}
void WriteHeader() { void WriteHeader() {
mWriter.WriteString("SPCB"); mWriter.WriteString("SPCB");
mWriter.Write32(mTextOffset); mWriter.Write32(mTextOffset);