intern identifiers

compiler/ast/ast.odin

@@ -1,6 +1,7 @@
 package ast
 
 import "../source"
+import "../symbol"
 import "core:mem"
 
 INVALID_ID :: -1
@@ -26,8 +27,8 @@ Expr_Kind :: enum {
 Expr :: struct {
 	kind:       Expr_Kind,
 	span:       source.Span,
-	qualifier:  string,
-	text:       string,
+	qualifier:  symbol.Id,
+	name:       symbol.Id,
 	integer:    i64,
 	left:       int,
 	right:      int,
@@ -36,7 +37,7 @@ Expr :: struct {
 }
 
 Param :: struct {
-	name: string,
+	name: symbol.Id,
 	span: source.Span,
 	type: Type_Syntax,
 }
@@ -52,7 +53,7 @@ Stmt_Kind :: enum {
 Stmt :: struct {
 	kind:       Stmt_Kind,
 	span:       source.Span,
-	name:       string,
+	name:       symbol.Id,
 	type:       Type_Syntax,
 	immutable:  bool,
 	expr:       int,
@@ -61,7 +62,7 @@ Stmt :: struct {
 
 Function :: struct {
 	span:       source.Span,
-	name:       string,
+	name:       symbol.Id,
 	pkg:        int,
 	file:       int,
 	c_abi:      bool,
@@ -73,7 +74,7 @@ Function :: struct {
 
 Global :: struct {
 	span:       source.Span,
-	name:       string,
+	name:       symbol.Id,
 	pkg:        int,
 	file:       int,
 	type:       Type_Syntax,
@@ -84,7 +85,7 @@ Global :: struct {
 
 Import :: struct {
 	span:       source.Span,
-	alias:      string,
+	alias:      symbol.Id,
 	path:       string,
 	pkg:        int,
 	file:       int,
@@ -101,7 +102,7 @@ File :: struct {
 
 Package :: struct {
 	path:      string,
-	name:      string,
+	name:      symbol.Id,
 	available: bool,
 }
 
@@ -142,7 +143,6 @@ destroy_module :: proc(module: ^Module) {
 	}
 	for pkg in module.packages {
 		delete(pkg.path, module.allocator)
-		delete(pkg.name, module.allocator)
 	}
 	delete(module.exprs)
 	delete(module.statements)