woah we got variables

1 files changed, 37 insertions, 2 deletions

diff --git a/scope.c b/scope.c
index 251aa51..3bd070b 100644
--- a/scope.c
+++ b/scope.c
@@ -79,6 +79,41 @@ void scope_pop(struct scope** p_scope) {
     free(discarded_scope);
 }
 
+void scope_install_default_types(struct scope* scope) {
+    scope_define_type(scope, (struct type_def) {
+        .name = "void",
+        .size = 0,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "bool",
+        .size = 1,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "char",
+        .size = 1,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "short",
+        .size = 2,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "int",
+        .size = 4,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "float",
+        .size = 4,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "long",
+        .size = 8,
+    });
+    scope_define_type(scope, (struct type_def) {
+        .name = "double",
+        .size = 8,
+    });
+}
+
 bool scope_get_type(
     const struct scope* scope,
     struct type_def* p_entry,
@@ -87,7 +122,7 @@ bool scope_get_type(
     for (; scope != NULL; scope = scope->next_out) {
         struct type_def* type_def = *type_cell(scope, name);
         if (type_def == NULL) continue;
-        *p_entry = *type_def;
+        if (p_entry != NULL) *p_entry = *type_def;
         return true;
     }
     return false;
@@ -115,7 +150,7 @@ bool scope_get_var(
     for (; scope != NULL; scope = scope->next_out) {
         struct var_def* var_def = *var_cell(scope, name);
         if (var_def == NULL) continue;
-        *p_entry = *var_def;
+        if (p_entry != NULL) *p_entry = *var_def;
         return true;
     }
     return false;