Prepended file names with "toy_"

source/toy_scope.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "literal_array.h"
+#include "literal_dictionary.h"
+
+typedef struct Scope {
+	LiteralDictionary variables; //only allow identifiers as the keys
+	LiteralDictionary types; //the types, indexed by identifiers
+	struct Scope* ancestor;
+	int references; //how many scopes point here
+} Scope;
+
+Scope* pushScope(Scope* scope);
+Scope* popScope(Scope* scope);
+Scope* copyScope(Scope* original);
+
+//returns false if error
+bool declareScopeVariable(Scope* scope, Literal key, Literal type);
+bool isDelcaredScopeVariable(Scope* scope, Literal key);
+
+//return false if undefined
+bool setScopeVariable(Scope* scope, Literal key, Literal value, bool constCheck);
+bool getScopeVariable(Scope* scope, Literal key, Literal* value);
+
+Literal getScopeType(Scope* scope, Literal key);