c interop type foundation

compiler/hir/hir.odin

@@ -2,6 +2,7 @@ package hir
 
 import "../source"
 import "../symbol"
+import "../target"
 import "../types"
 import "core:mem"
 
@@ -74,11 +75,27 @@ Linkage :: enum u8 {
 Expr_Kind :: enum u8 {
 	Invalid,
 	Integer,
+	Float,
+	String,
+	Array,
+	Struct,
+	None,
+	Optional_Some,
 	Local,
 	Global,
+	Address,
+	Deref,
+	Index,
+	Slice,
+	Field,
+	Length,
+	Slice_Ptr,
+	Unwrap,
+	Orelse,
 	Widen,
 	Negate,
 	Add,
+	Pointer_Add,
 	Call,
 }
 
@@ -114,6 +131,7 @@ Stmt :: struct {
 	kind:       Stmt_Kind,
 	span:       source.Span,
 	local:      Local_Id,
+	target:     Expr_Id,
 	expr:       Expr_Id,
 	diagnostic: source.Diagnostic_Id,
 }
@@ -153,16 +171,23 @@ Module :: struct {
 	statements: [dynamic]Stmt,
 	functions:  [dynamic]Function,
 	globals:    [dynamic]Global,
+	strings:    [dynamic]string,
+	types:      types.Store,
+	target:     target.Target,
 	allocator:  mem.Allocator,
 }
 
-init_module :: proc(allocator := context.allocator) -> Module {
+init_module :: proc(selected := target.DEFAULT, allocator := context.allocator) -> Module {
 	module: Module
+	module.target = selected
+	module.types = types.init_store(allocator)
+	module.types.selected = selected
 	module.allocator = allocator
 	module.exprs.allocator = allocator
 	module.statements.allocator = allocator
 	module.functions.allocator = allocator
 	module.globals.allocator = allocator
+	module.strings.allocator = allocator
 	return module
 }
 
@@ -182,8 +207,13 @@ destroy_module :: proc(module: ^Module) {
 		delete(global.dependencies)
 		delete(global.calls, module.allocator)
 	}
+	for value in module.strings {
+		delete(value, module.allocator)
+	}
 	delete(module.exprs)
 	delete(module.statements)
 	delete(module.functions)
 	delete(module.globals)
+	delete(module.strings)
+	types.destroy_store(&module.types)
 }