compiler/sem: correct macros lineinfo (#10438)

The compiler believes these are where a macro call starts (marked with
`^`):

    m "string"
    ^ ^

This commit addresses that.

compiler/sem.nim

@@ -450,17 +450,18 @@ proc semMacroExpr(c: PContext, n, nOrig: PNode, sym: PSym,
                   flags: TExprFlags = {}): PNode =
   pushInfoContext(c.config, nOrig.info, sym.detailedInfo)
 
-  markUsed(c.config, n.info, sym, c.graph.usageSym)
+  let info = getCallLineInfo(n)
-  onUse(n.info, sym)
+  markUsed(c.config, info, sym, c.graph.usageSym)
+  onUse(info, sym)
   if sym == c.p.owner:
-    globalError(c.config, n.info, "recursive dependency: '$1'" % sym.name.s)
+    globalError(c.config, info, "recursive dependency: '$1'" % sym.name.s)
 
   let genericParams = if sfImmediate in sym.flags: 0
                       else: sym.ast[genericParamsPos].len
   let suppliedParams = max(n.safeLen - 1, 0)
 
   if suppliedParams < genericParams:
-    globalError(c.config, n.info, errMissingGenericParamsForTemplate % n.renderTree)
+    globalError(c.config, info, errMissingGenericParamsForTemplate % n.renderTree)
 
   #if c.evalContext == nil:
   #  c.evalContext = c.createEvalContext(emStatic)

nimsuggest/tests/tmacro_highlight.nim

@@ -0,0 +1,13 @@
+macro a(b: string): untyped = discard
+
+a "string"#[!]#
+
+discard """
+$nimsuggest --tester $file
+>highlight $1
+highlight;;skMacro;;1;;6;;1
+highlight;;skType;;1;;11;;6
+highlight;;skType;;1;;20;;7
+highlight;;skMacro;;3;;0;;1
+highlight;;skMacro;;3;;0;;1
+"""