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[pph] Forwarding trunk linemap changes (issue4898050)

Message ID 20110815210539.4F57B1C3650@gchare.mtv.corp.google.com
State New
Headers show

Commit Message

Gab Charette Aug. 15, 2011, 9:05 p.m. UTC 
Forwarding this patch to pph (which was just committed to trunk in issue4874043).

Committed to pph branch.

2011-08-11  Gabriel Charette  <gchare@google.com>

        libcpp/ChangeLog
	* include/line-map.h (LINEMAP_POSITION_FOR_COLUMN): Remove.
	Update all users to use linemap_position_for_column instead.

        gcc/go/ChangeLog
	* gofrontend/lex.cc (Lex::location): Update to use
	linemap_position_for_column instead.
        (Lex::earlier_location): Likewise.


--
This patch is available for review at http://codereview.appspot.com/4898050
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Patch

diff --git a/gcc/go/gofrontend/lex.cc b/gcc/go/gofrontend/lex.cc
index 9f26911..167c7dd 100644
--- a/gcc/go/gofrontend/lex.cc
+++ b/gcc/go/gofrontend/lex.cc
@@ -518,9 +518,7 @@  Lex::require_line()
 source_location
 Lex::location() const
 {
-  source_location location;
-  LINEMAP_POSITION_FOR_COLUMN(location, line_table, this->lineoff_ + 1);
-  return location;
+  return linemap_position_for_column (line_table, this->lineoff_ + 1);
 }
 
 // Get a location slightly before the current one.  This is used for
@@ -529,9 +527,7 @@  Lex::location() const
 source_location
 Lex::earlier_location(int chars) const
 {
-  source_location location;
-  LINEMAP_POSITION_FOR_COLUMN(location, line_table, this->lineoff_ + 1 - chars);
-  return location;
+  return linemap_position_for_column (line_table, this->lineoff_ + 1 - chars);
 }
 
 // Get the next token.
diff --git a/libcpp/directives-only.c b/libcpp/directives-only.c
index e19f806..c6772af 100644
--- a/libcpp/directives-only.c
+++ b/libcpp/directives-only.c
@@ -142,7 +142,7 @@  _cpp_preprocess_dir_only (cpp_reader *pfile,
 	    flags |= DO_LINE_COMMENT;
 	  else if (!(flags & DO_SPECIAL))
 	    /* Mark the position for possible error reporting. */
-	    LINEMAP_POSITION_FOR_COLUMN (loc, pfile->line_table, col);
+	    loc = linemap_position_for_column (pfile->line_table, col);
 
 	  break;
 
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h
index f1d5bee..3c84035 100644
--- a/libcpp/include/line-map.h
+++ b/libcpp/include/line-map.h
@@ -165,23 +165,6 @@  extern const struct line_map *linemap_lookup
 /* Nonzero if the map is at the bottom of the include stack.  */
 #define MAIN_FILE_P(MAP) ((MAP)->included_from < 0)
 
-/* Set LOC to a source position that is the same line as the most recent
-   linemap_line_start, but with the specified TO_COLUMN column number.  */
-
-#define LINEMAP_POSITION_FOR_COLUMN(LOC, SET, TO_COLUMN) do { \
-  unsigned int to_column = (TO_COLUMN); \
-  struct line_maps *set = (SET); \
-  if (__builtin_expect (to_column >= set->max_column_hint, 0)) \
-    (LOC) = linemap_position_for_column (set, to_column); \
-  else { \
-    source_location r = set->highest_line; \
-    r = r + to_column; \
-    if (r >= set->highest_location) \
-      set->highest_location = r; \
-    (LOC) = r;			 \
-  }} while (0)
-    
-
 extern source_location
 linemap_position_for_column (struct line_maps *set, unsigned int to_column);
 
diff --git a/libcpp/lex.c b/libcpp/lex.c
index d29f36d..d460b98 100644
--- a/libcpp/lex.c
+++ b/libcpp/lex.c
@@ -1975,8 +1975,8 @@  _cpp_lex_direct (cpp_reader *pfile)
     }
   c = *buffer->cur++;
 
-  LINEMAP_POSITION_FOR_COLUMN (result->src_loc, pfile->line_table,
-			       CPP_BUF_COLUMN (buffer, buffer->cur));
+  result->src_loc = linemap_position_for_column (pfile->line_table,
+			                                    CPP_BUF_COLUMN (buffer, buffer->cur));
 
   switch (c)
     {