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[Emacs-diffs] master 2028756: * src/syntax.c (update_syntax_table): Pref


From: Stefan Monnier
Subject: [Emacs-diffs] master 2028756: * src/syntax.c (update_syntax_table): Prefer 'else' to 'goto'
Date: Fri, 1 Mar 2019 16:04:15 -0500 (EST)

branch: master
commit 2028756fa3db8dc266c0abbf4ecb672ab5348e71
Author: Stefan Monnier <address@hidden>
Commit: Stefan Monnier <address@hidden>

    * src/syntax.c (update_syntax_table): Prefer 'else' to 'goto'
---
 src/syntax.c | 67 ++++++++++++++++++++++++++++++------------------------------
 1 file changed, 34 insertions(+), 33 deletions(-)

diff --git a/src/syntax.c b/src/syntax.c
index fe1e2d2..32103c8 100644
--- a/src/syntax.c
+++ b/src/syntax.c
@@ -309,7 +309,7 @@ SETUP_SYNTAX_TABLE_FOR_OBJECT (Lisp_Object object,
 }
 
 /* Update gl_state to an appropriate interval which contains CHARPOS.  The
-   sign of COUNT give the relative position of CHARPOS wrt the previously
+   sign of COUNT gives the relative position of CHARPOS wrt the previously
    valid interval.  If INIT, only [be]_property fields of gl_state are
    valid at start, the rest is filled basing on OBJECT.
 
@@ -343,42 +343,43 @@ update_syntax_table (ptrdiff_t charpos, EMACS_INT count, 
bool init,
       i = gl_state.forward_i;
       gl_state.b_property = i->position - gl_state.offset;
       gl_state.e_property = INTERVAL_LAST_POS (i) - gl_state.offset;
-      goto update;
     }
-  i = count > 0 ? gl_state.forward_i : gl_state.backward_i;
-
-  /* We are guaranteed to be called with CHARPOS either in i,
-     or further off.  */
-  if (!i)
-    error ("Error in syntax_table logic for to-the-end intervals");
-  else if (charpos < i->position)              /* Move left.  */
-    {
-      if (count > 0)
-       error ("Error in syntax_table logic for intervals <-");
-      /* Update the interval.  */
-      i = update_interval (i, charpos);
-      if (INTERVAL_LAST_POS (i) != gl_state.b_property)
-       {
-         invalidate = false;
-         gl_state.forward_i = i;
-         gl_state.e_property = INTERVAL_LAST_POS (i) - gl_state.offset;
-       }
-    }
-  else if (charpos >= INTERVAL_LAST_POS (i)) /* Move right.  */
+  else
     {
-      if (count < 0)
-       error ("Error in syntax_table logic for intervals ->");
-      /* Update the interval.  */
-      i = update_interval (i, charpos);
-      if (i->position != gl_state.e_property)
-       {
-         invalidate = false;
-         gl_state.backward_i = i;
-         gl_state.b_property = i->position - gl_state.offset;
-       }
+      i = count > 0 ? gl_state.forward_i : gl_state.backward_i;
+
+      /* We are guaranteed to be called with CHARPOS either in i,
+         or further off.  */
+      if (!i)
+        error ("Error in syntax_table logic for to-the-end intervals");
+      else if (charpos < i->position)          /* Move left.  */
+        {
+          if (count > 0)
+           error ("Error in syntax_table logic for intervals <-");
+          /* Update the interval.  */
+          i = update_interval (i, charpos);
+          if (INTERVAL_LAST_POS (i) != gl_state.b_property)
+           {
+             invalidate = false;
+             gl_state.forward_i = i;
+             gl_state.e_property = INTERVAL_LAST_POS (i) - gl_state.offset;
+           }
+        }
+      else if (charpos >= INTERVAL_LAST_POS (i)) /* Move right.  */
+        {
+          if (count < 0)
+           error ("Error in syntax_table logic for intervals ->");
+          /* Update the interval.  */
+          i = update_interval (i, charpos);
+          if (i->position != gl_state.e_property)
+           {
+             invalidate = false;
+             gl_state.backward_i = i;
+             gl_state.b_property = i->position - gl_state.offset;
+           }
+        }
     }
 
-  update:
   tmp_table = textget (i->plist, Qsyntax_table);
 
   if (invalidate)



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