From b540d5ef1ba3d128d454bb5d059464334ff2844c Mon Sep 17 00:00:00 2001
From: Curle <curle@gemwire.uk>
Date: Wed, 25 Nov 2020 02:11:09 +0000
Subject: [PATCH] Cleanup data, prepare for local vars

---
 include/Data.h |  6 ++++--
 include/Defs.h | 11 +++++++++++
 src/Main.c     |  1 -
 3 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/include/Data.h b/include/Data.h
index 9ccbef3..654c869 100644
--- a/include/Data.h
+++ b/include/Data.h
@@ -19,7 +19,6 @@ extern_ struct SymbolTable Symbols[SYMBOLS];
 extern_ int   TypeSizes[9];
 extern_ char* TypeNames[9];
 
-extern_ char* TokenStrings[];
 extern_ char* TokenNames[];
 
 extern_ int CurrentFunction;
@@ -30,4 +29,7 @@ extern_ FILE* SourceFile;
 extern_ FILE* OutputFile;
 
 extern_ struct Token CurrentToken;
-extern_ char CurrentIdentifier[TEXTLEN + 1];
\ No newline at end of file
+extern_ char CurrentIdentifier[TEXTLEN + 1];
+
+extern_ int CurrentGlobal;
+extern_ int CurrentLocal;
\ No newline at end of file
diff --git a/include/Defs.h b/include/Defs.h
index 122a387..e2c2ee4 100644
--- a/include/Defs.h
+++ b/include/Defs.h
@@ -196,6 +196,17 @@ struct SymbolTable {
     int Structure;  // An entry in StructureType - metadata on how to process the data
     int EndLabel;   // The number of the label to jump to, in order to exit this function (if applicable)
     int Length;     // The length of the symbol in units of 1 element -- the size of an array, for example.
+    int Storage;    // The scope of this symbol - decides when it is discarded.
+    int SinkOffset; // How many times must we sink the rbp to get to this symbol in the stack?
+};
+
+enum StorageScope {
+    SC_GLOBAL = 1,  // Global Scope
+  //SC_CLASS,       // Class-local definitions
+  //SC_STATIC,      // Static storage definitions
+  //SC_PARAM,       // Function parameters
+    SC_LOCAL        // Function-local scope.
+                    //  There is no deeper scope than function.
 };
 
 
diff --git a/src/Main.c b/src/Main.c
index 87c14fb..11701a2 100644
--- a/src/Main.c
+++ b/src/Main.c
@@ -12,7 +12,6 @@
 
 int TypeSizes[9] = { 0,      1,      4,     8,      0,      8,         8,        8,         8}; // in BYTES
 
-char* TokenStrings[] = { "+", "-", "*", "/", "int" };
 char* TokenNames[] = {
     "End of file",
     "Equivalency",