undefined assignment

2026-06-25 20:37:20 +02:00
parent e0b6f6049c
commit ca6cc89da0
10 changed files with 489 additions and 47 deletions
@@ -613,7 +613,6 @@ lower_statements :: proc(state: ^State, statements: []hir.Stmt_Id) {
 		statement := hir_module.statements[statement_id]
 		switch statement.kind {
 		case .Declaration:
-			value := lower_expr(state, statement.expr)
 			if statement.local == hir.INVALID_LOCAL || int(statement.local) >= len(state.func_locals) {
 				append_instruction(state, ir.Instruction{
 					op=.Trap, span=statement.span, type=types.VOID,
@@ -632,6 +631,19 @@ lower_statements :: proc(state: ^State, statements: []hir.Stmt_Id) {
 				diagnostic=source.INVALID_DIAGNOSTIC,
 			})
 			state.local_slots[statement.local] = slot
+			if statement.expr == hir.INVALID_EXPR {
+				append_instruction(state, ir.Instruction{
+					op=.Fill,
+					span=statement.span,
+					type=local.type,
+					target=ir.INVALID_REF,
+					a=slot,
+					b=ir.INVALID_INSTRUCTION,
+					diagnostic=source.INVALID_DIAGNOSTIC,
+				})
+				continue
+			}
+			value := lower_expr(state, statement.expr)
 			append_instruction(state, ir.Instruction{
 				op=.Store,
 				span=statement.span,