feat: Nectar specs V1, introduce LibGL.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

8 files changed, 24 insertions, 17 deletions

diff --git a/.gitignore b/.gitignore
index f0622a6..8bee682 100644
--- a/.gitignore
+++ b/.gitignore
@@ -240,8 +240,6 @@ nbdist/
 ## VSCode
 .vscode/settings.json
 
-libgl/
-
 CMakeLists.txt.user
 CMakeCache.txt
 CMakeFiles
diff --git a/doc/specs/NECTAR_LANG.md b/doc/specs/NECTAR_LANG.md
index 2dddfd4..cdb760f 100644
--- a/doc/specs/NECTAR_LANG.md
+++ b/doc/specs/NECTAR_LANG.md
@@ -24,4 +24,10 @@
 - `let` Pointer/Reference variable declaration.
 - `const` const `let` declaration.
 
+===================================
+
+# 2: Concepts
+
+===================================
 
+Nectar runs using the Generics Library (GL) -- it contains foundational code to run nectar applications and systems.
diff --git a/include/CompilerKit/AST.h b/include/CompilerKit/AST.h
index 6136721..b991bd0 100644
--- a/include/CompilerKit/AST.h
+++ b/include/CompilerKit/AST.h
@@ -29,7 +29,6 @@ enum struct KeywordKind {
   kKeywordKindFunctionStart,
   kKeywordKindFunctionEnd,
   kKeywordKindVariable,
-  kKeywordKindType,
   kKeywordKindExpressionBegin,
   kKeywordKindExpressionEnd,
   kKeywordKindArgSeparator,
diff --git a/include/LibNectar/iostream.nhh b/include/LibGL/iostream.nhh
index 9e14174..9e14174 100644
--- a/include/LibNectar/iostream.nhh
+++ b/include/LibGL/iostream.nhh
diff --git a/include/LibNectar/iterator.nhh b/include/LibGL/iterator.nhh
index 5b760ed..a038421 100644
--- a/include/LibNectar/iterator.nhh
+++ b/include/LibGL/iterator.nhh
@@ -8,19 +8,24 @@
 
 struct iterator_traits
 {
-    let begin(let collection)
+    let begin(let it)
     {
-        return collection._begin;
+        let end := it._begin;
+        return end;
     }
 
-    let end(let collection)
+    let end(let it)
     {
-        return collection._begin + collection._size;
+        let end := it._begin;
+        end += it._end;
+
+        return end;
     }
 
-    let size(let collection)
+    let size(let it)
     {
-        return collection._size;
+        let sz := it._size;
+        return sz;
     }
 };
 
diff --git a/src/CompilerKit/src/Compilers/NectarCompiler+AMD64.cc b/src/CompilerKit/src/Compilers/NectarCompiler+AMD64.cc
index 56ae555..825c5c2 100644
--- a/src/CompilerKit/src/Compilers/NectarCompiler+AMD64.cc
+++ b/src/CompilerKit/src/Compilers/NectarCompiler+AMD64.cc
@@ -568,7 +568,7 @@ CompilerKit::SyntaxLeafList::SyntaxLeaf CompilerFrontendNectarAMD64::Compile(
           valueOfVar = text.substr(text.find("-=") + 2);
         } else if (keyword.first.fKeywordKind ==
                    CompilerKit::KeywordKind::kKeywordKindVariableAssign) {
-          valueOfVar = text.substr(text.find(":=") + 2);
+          valueOfVar = text.substr(text.find(keyword.first.fKeywordName) + keyword.first.fKeywordName.size());
         } else if (keyword.first.fKeywordKind == CompilerKit::KeywordKind::kKeywordKindEndInstr) {
           break;
         }
@@ -591,7 +591,7 @@ CompilerKit::SyntaxLeafList::SyntaxLeaf CompilerFrontendNectarAMD64::Compile(
           varName.erase(varName.find("-="));
         } else if (keyword.first.fKeywordKind ==
                    CompilerKit::KeywordKind::kKeywordKindVariableAssign) {
-          varName.erase(varName.find(":="));
+          varName.erase(varName.find(keyword.first.fKeywordName));
         } else if (keyword.first.fKeywordKind == CompilerKit::KeywordKind::kKeywordKindEndInstr) {
           varName.erase(varName.find(";"));
         }
@@ -599,7 +599,7 @@ CompilerKit::SyntaxLeafList::SyntaxLeaf CompilerFrontendNectarAMD64::Compile(
         static bool typeFound = false;
 
         for (auto& keyword : kKeywords) {
-          if (keyword.fKeywordKind == CompilerKit::KeywordKind::kKeywordKindType) {
+          if (keyword.fKeywordKind == CompilerKit::KeywordKind::kKeywordKindVariable) {
             if (text.find(keyword.fKeywordName) != CompilerKit::STLString::npos) {
               if (text[text.find(keyword.fKeywordName)] == ' ') {
                 typeFound = false;
@@ -625,7 +625,7 @@ CompilerKit::SyntaxLeafList::SyntaxLeaf CompilerFrontendNectarAMD64::Compile(
         }
 
         if (keyword.second > 0 && kKeywords[keyword.second - 1].fKeywordKind ==
-                                      CompilerKit::KeywordKind::kKeywordKindType) {
+                                      CompilerKit::KeywordKind::kKeywordKindVariable) {
           syntax_tree.fUserValue += "\n";
           continue;
         }
@@ -1222,13 +1222,13 @@ NECTAR_MODULE(CompilerNectarAMD64) {
   kKeywords.emplace_back("struct", CompilerKit::KeywordKind::kKeywordKindClass);
   kKeywords.emplace_back("{", CompilerKit::KeywordKind::kKeywordKindBodyStart);
   kKeywords.emplace_back("}", CompilerKit::KeywordKind::kKeywordKindBodyEnd);
-  kKeywords.emplace_back("let", CompilerKit::KeywordKind::kKeywordKindType);
   kKeywords.emplace_back("(", CompilerKit::KeywordKind::kKeywordKindFunctionStart);
   kKeywords.emplace_back(")", CompilerKit::KeywordKind::kKeywordKindFunctionEnd);
   kKeywords.emplace_back(":=", CompilerKit::KeywordKind::kKeywordKindVariableAssign);
   kKeywords.emplace_back("+=", CompilerKit::KeywordKind::kKeywordKindVariableInc);
   kKeywords.emplace_back("-=", CompilerKit::KeywordKind::kKeywordKindVariableDec);
   kKeywords.emplace_back("const", CompilerKit::KeywordKind::kKeywordKindConstant);
+  kKeywords.emplace_back("let", CompilerKit::KeywordKind::kKeywordKindVariable);
   kKeywords.emplace_back("->", CompilerKit::KeywordKind::kKeywordKindPtrAccess);
   kKeywords.emplace_back(".", CompilerKit::KeywordKind::kKeywordKindAccess);
   kKeywords.emplace_back(",", CompilerKit::KeywordKind::kKeywordKindArgSeparator);
diff --git a/test/test_samples/iostream.ncpp b/test/test_samples/iostream.ncpp
index a432896..9f46fa6 100644
--- a/test/test_samples/iostream.ncpp
+++ b/test/test_samples/iostream.ncpp
@@ -1,3 +1,4 @@
+#include "../../include/LibGL/iostream.nhh"
 
 let main()
 {
diff --git a/test/test_samples/return_value.ncpp b/test/test_samples/return_value.ncpp
index 812743a..0144df9 100644
--- a/test/test_samples/return_value.ncpp
+++ b/test/test_samples/return_value.ncpp
@@ -1,8 +1,6 @@
-#include "../../include/LibNectar/iostream.nhh"
 
 let main()
 {
-    let six_seven = 67;
-
+    let six_seven := 67;
     return six_seven;
 }