fix: fix line number in error msgs within asm contexts

Author: boriel

src/arch/z80/backend/generic.py

@@ -540,10 +540,6 @@ def _inline(ins):
 
     i = 0
     while i < len(tmp):
-        if not tmp[i]:  # discard empty lines
-            tmp.pop(i)
-            continue
-
         if not tmp[i] or tmp[i][0] == ";":  # a comment
             i += 1
             continue

src/arch/z80/translator.py

@@ -916,7 +916,7 @@ def visit_ITALIC(self, node):
     # -----------------------------------------------------------------------------------------------------
     def visit_ASM(self, node):
         EOL = "\n"
-        self.ic_inline(f'#line {node.lineno + 1} "{node.filename}"')
+        self.ic_inline(f'#line {node.lineno} "{node.filename}"')
         self.ic_inline(node.asm)
         self.ic_inline(f'#line {node.lineno + len(node.asm.split(EOL))} "{node.filename}"')
 

tests/functional/test_errmsg.txt

@@ -225,6 +225,8 @@ line_number_after_macro.bas:11: error: Syntax Error. Unexpected token '+' <PLUS>
 >>> process_file('zx48k/tap_asm_error_line.bas', ['-S', '-q'])
 tap_asm_error_line.bas:3: error: Syntax error. Unexpected token '10' [INTEGER]
 tap_asm_error_line.bas:7: error: Syntax error. Unexpected token '10' [INTEGER]
+>>> process_file('zx48k/tap_errline.bas')
+tap_errline.bas:10: error: Syntax error. Unexpected token 'HL' [HL]
 
 # Test error file names
 >>> process_file('zx48k/bad_fname_err0.bas', ['-S', '-q'])

tests/functional/zx48k/tap_errline.bas

@@ -0,0 +1,15 @@
+
+asm
+    push    hl
+    push    de
+    push    af
+
+    ld      hl,16384
+    ld      de,16385
+    ld      a,(hl)
+    ex      hl,de
+
+    pop     af
+    pop     de
+    pop     hl
+end asm