Add pub keyword, more import stuff, optimize hash map

Hash map now stores hash of keys to reduce the number of hash
operations.
Positive: faster insert/get.
Negative: more space required (to store usize hash).

2 files changed, 6 insertions, 5 deletions

diff --git a/include/ast.h b/include/ast.h
index e49ad08..7b16796 100644
--- a/include/ast.h
+++ b/include/ast.h
@@ -65,12 +65,12 @@ typedef struct {
     AstValue value;
     AstType type;
     AstResolveStatus resolve_status;
-    StructDecl *resolved_type;
+    LhsExpr *resolved_type;
 } Ast;
 
 struct Scope {
     Buffer ast_objects;
-    HashMap/*(key=BufferView, value=Ast)*/ named_objects;
+    HashMap/*(key=BufferView, value=Ast<LhsExpr>)*/ named_objects;
     Scope *parent;
 };
 
@@ -81,7 +81,6 @@ struct FileScopeReference {
 
 struct Variable {
     BufferView name;
-    Ast resolved_variable;
 };
 
 struct FunctionDecl {
@@ -104,6 +103,7 @@ struct StructField {
 };
 
 struct LhsExpr {
+    bool is_pub;
     bool is_const;
     BufferView var_name;
     Variable type;
@@ -149,7 +149,7 @@ CHECK_RESULT int funcdecl_init(FunctionDecl *self, Scope *parent, ScopedAllocato
 CHECK_RESULT int funccall_init(FunctionCall *self, BufferView name, ScopedAllocator *allocator);
 CHECK_RESULT int structdecl_init(StructDecl *self, Scope *parent, ScopedAllocator *allocator);
 void structfield_init(StructField *self, BufferView name, BufferView type_name);
-void lhsexpr_init(LhsExpr *self, bool is_const, BufferView var_name);
+void lhsexpr_init(LhsExpr *self, bool is_pub, bool is_const, BufferView var_name);
 void import_init(Import *self, BufferView path);
 CHECK_RESULT int string_init(String *self, BufferView str);
 void number_init(Number *self, i64 value, bool is_integer);
diff --git a/include/tokenizer.h b/include/tokenizer.h
index c4c3725..3944ed1 100644
--- a/include/tokenizer.h
+++ b/include/tokenizer.h
@@ -30,7 +30,8 @@ typedef enum {
     TOK_NUMBER,
     TOK_SEMICOLON,
     TOK_COLON,
-    TOK_BINOP
+    TOK_BINOP,
+    TOK_PUB
 } Token;
 
 typedef struct {