From 618de2ac9957c6c12b7df271566e702db2a101fa Mon Sep 17 00:00:00 2001
From: Tangent Wantwight <tangent128@gmail.com>
Date: Wed, 5 Jun 2024 19:32:58 -0400
Subject: [PATCH] Add source position to words in new parser

---
 src/parser2.ts | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/parser2.ts b/src/parser2.ts
index 75f9842..163ed25 100644
--- a/src/parser2.ts
+++ b/src/parser2.ts
@@ -66,15 +66,20 @@ class WipScript {
   script: Command[] = [];
   wipCommand: Word[] = [];
   wipWord: InterpolatedPiece[] = [];
+  wordPos: number | undefined = undefined;
   // TODO: thing to fail {}a & ""a
 
-  addWordPiece(piece: InterpolatedPiece) {
+  addWordPiece(piece: InterpolatedPiece, pos?: number) {
+    if (this.wipWord.length == 0) {
+      this.wordPos = pos;
+    }
     this.wipWord.push(piece);
   }
   finishWord() {
     if (this.wipWord.length > 0) {
-      this.wipCommand.push(SimplifyWord(this.wipWord));
+      this.wipCommand.push(SimplifyWord(this.wipWord, this.wordPos));
       this.wipWord = [];
+      this.wordPos = undefined;
     }
   }
   finishCommand() {
@@ -123,7 +128,7 @@ class Parser {
       const [type, chars, pos] = this.next;
       switch (type) {
         case "text":
-          wip.addWordPiece({ bare: chars, pos });
+          wip.addWordPiece({ bare: chars }, pos);
           break;
 
         case "whitespace":
@@ -147,6 +152,8 @@ class Parser {
         case "comment":
         case "ERROR":
           throw new Error(`Unhandled case: ${type} (${chars})`);
+        default:
+          throw new Error(`Unhandled case: ${type satisfies never} (${chars})`);
       }
 
       this.advance();