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authorgingerBill <ginger.bill.22@gmail.com>2016-08-23 00:03:53 +0100
committergingerBill <ginger.bill.22@gmail.com>2016-08-23 00:03:53 +0100
commitaaecb18c8f37a7f7feb3400178633819859b642f (patch)
tree57667583efc5199150bd1b4d7fcbc93b97a1575d /src/checker/checker.cpp
parent81c592b5e92411e4b64744a152bd445bb6154433 (diff)
Fix procedure's scope
Diffstat (limited to 'src/checker/checker.cpp')
-rw-r--r--src/checker/checker.cpp36
1 files changed, 25 insertions, 11 deletions
diff --git a/src/checker/checker.cpp b/src/checker/checker.cpp
index 2a084c543..22d734af6 100644
--- a/src/checker/checker.cpp
+++ b/src/checker/checker.cpp
@@ -89,14 +89,15 @@ ExpressionInfo make_expression_info(b32 is_lhs, AddressingMode mode, Type *type,
}
struct ProcedureInfo {
- AstFile *file;
- Token token;
+ AstFile * file;
+ Token token;
DeclInfo *decl;
- Type * type; // Type_Procedure
- AstNode * body; // AstNode_BlockStatement
+ Type * type; // Type_Procedure
+ AstNode * body; // AstNode_BlockStatement
};
struct Scope {
+ b32 is_proc;
Scope *parent;
Scope *prev, *next;
Scope *first_child, *last_child;
@@ -231,6 +232,9 @@ void check_open_scope(Checker *c, AstNode *stmt) {
GB_ASSERT(is_ast_node_stmt(stmt) || stmt->kind == AstNode_ProcType);
Scope *scope = make_scope(c->context.scope, c->allocator);
add_scope(c, stmt, scope);
+ if (stmt->kind == AstNode_ProcType) {
+ scope->is_proc = true;
+ }
c->context.scope = scope;
}
@@ -238,23 +242,36 @@ void check_close_scope(Checker *c) {
c->context.scope = c->context.scope->parent;
}
-void scope_lookup_parent_entity(Scope *s, String name, Scope **scope, Entity **entity) {
+void scope_lookup_parent_entity(Checker *c, Scope *s, String name, Scope **scope, Entity **entity) {
+ b32 gone_thru_proc = false;
HashKey key = hash_string(name);
for (; s != NULL; s = s->parent) {
+
Entity **found = map_get(&s->elements, key);
if (found) {
- if (entity) *entity = *found;
+ Entity *e = *found;
+ if (gone_thru_proc) {
+ if (e->kind == Entity_Variable && e->parent != c->global_scope) {
+ continue;
+ }
+ }
+
+ if (entity) *entity = e;
if (scope) *scope = s;
return;
}
+
+ if (s->is_proc) {
+ gone_thru_proc = true;
+ }
}
if (entity) *entity = NULL;
if (scope) *scope = NULL;
}
-Entity *scope_lookup_entity(Scope *s, String name) {
+Entity *scope_lookup_entity(Checker *c, Scope *s, String name) {
Entity *entity = NULL;
- scope_lookup_parent_entity(s, name, NULL, &entity);
+ scope_lookup_parent_entity(c, s, name, NULL, &entity);
return entity;
}
@@ -500,7 +517,6 @@ void add_file_entity(Checker *c, AstNode *identifier, Entity *e, DeclInfo *d) {
add_entity(c, c->global_scope, identifier, e);
map_set(&c->info.entities, hash_pointer(e), d);
- e->order = gb_array_count(c->info.entities.entries);
}
@@ -637,8 +653,6 @@ void check_parsed_files(Checker *c) {
DeclInfo *d = make_declaration_info(c->allocator, e->parent);
d->proc_decl = decl;
map_set(&c->info.entities, hash_pointer(e), d);
- e->order = gb_array_count(c->info.entities.entries);
-
case_end;
case_ast_node(ld, LoadDecl, decl);