Begin minimizing `Ast` size

1 files changed, 12 insertions, 8 deletions

diff --git a/src/parser.cpp b/src/parser.cpp
index 12888a52d..ba5df1f27 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -65,7 +65,7 @@ Ast *alloc_ast_node(AstFile *f, AstKind kind) {
 
 	Ast *node = cast(Ast *)gb_alloc(a, size);
 	node->kind = kind;
-	node->file = f;
+	node->file_id = f ? f->id : 0;
 	return node;
 }
 
@@ -95,7 +95,8 @@ Ast *clone_ast(Ast *node) {
 	if (node == nullptr) {
 		return nullptr;
 	}
-	Ast *n = alloc_ast_node(node->file, node->kind);
+	AstFile *f = get_ast_file_from_id(node->file_id);
+	Ast *n = alloc_ast_node(f, node->kind);
 	gb_memmove(n, node, ast_node_size(node->kind));
 
 	switch (n->kind) {
@@ -399,8 +400,9 @@ void error(Ast *node, char const *fmt, ...) {
 	va_start(va, fmt);
 	error_va(token.pos, end_pos, fmt, va);
 	va_end(va);
-	if (node != nullptr && node->file != nullptr) {
-		node->file->error_count += 1;
+	if (node != nullptr && node->file_id != 0) {
+		AstFile *f = get_ast_file_from_id(node->file_id);
+		f->error_count += 1;
 	}
 }
 
@@ -413,8 +415,9 @@ void error_no_newline(Ast *node, char const *fmt, ...) {
 	va_start(va, fmt);
 	error_no_newline_va(token.pos, fmt, va);
 	va_end(va);
-	if (node != nullptr && node->file != nullptr) {
-		node->file->error_count += 1;
+	if (node != nullptr && node->file_id != 0) {
+		AstFile *f = get_ast_file_from_id(node->file_id);
+		f->error_count += 1;
 	}
 }
 
@@ -442,8 +445,9 @@ void syntax_error(Ast *node, char const *fmt, ...) {
 	va_start(va, fmt);
 	syntax_error_va(token.pos, end_pos, fmt, va);
 	va_end(va);
-	if (node != nullptr && node->file != nullptr) {
-		node->file->error_count += 1;
+	if (node != nullptr && node->file_id != 0) {
+		AstFile *f = get_ast_file_from_id(node->file_id);
+		f->error_count += 1;
 	}
 }