1 files changed, 46 insertions, 0 deletions

diff --git a/scope.h b/scope.h
new file mode 100644
index 0000000..b469476
--- /dev/null
+++ b/scope.h
@@ -0,0 +1,46 @@
+#ifndef VARS_H
+#define VARS_H
+
+struct storage_location {
+    enum {
+        REGISTER,
+        JMP_LABEL,
+        BP_OFFSET,
+    } type;
+    union {
+        long long offset;
+        const char* label;
+    };
+};
+
+struct type_def {
+    const char* name;
+    unsigned long long size;
+};
+
+struct var_def {
+    const char* name;
+    struct storage_location loc;
+};
+
+struct scope {
+    struct type_def* types;
+    struct var_def* vars;
+    struct scope* next_out;
+    unsigned long long bp_offset;
+};
+
+void scope_push(struct scope** p_scope);
+void scope_pop(struct scope** p_scope);
+bool scope_get_type(
+    const struct scope* scope,
+    struct type_def* p_entry,
+    const char* name);
+void scope_define_type(struct scope* scope, struct type_def type);
+bool scope_get_var(
+    const struct scope* scope,
+    struct var_def* p_entry,
+    const char* name);
+void scope_define_var(struct scope* scope, struct var_def var);
+
+#endif
\ No newline at end of file