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Don't impose std::string for filenames.

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* data/lalr1.cc (b4_filename_type): New.
(position::filename): Use it.
(parser.hh): Move the inclusion of stack.hh and location.hh below
the user code, so that needed headers for the filename type can be
included first.
This commit is contained in:
Akim Demaille
2004-12-21 12:03:47 +00:00
parent 99880de508
commit 9a0d8becd8
2 changed files with 21 additions and 8 deletions
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10
ChangeLog
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@@ -1,3 +1,13 @@
2004-12-21 Akim Demaille <akim@epita.fr>
Don't impose std::string for filenames.
* data/lalr1.cc (b4_filename_type): New.
(position::filename): Use it.
(parser.hh): Move the inclusion of stack.hh and location.hh below
the user code, so that needed headers for the filename type can be
included first.
2004-12-20 Akim Demaille <akim@epita.fr> 2004-12-20 Akim Demaille <akim@epita.fr>
Use more STL like names: my_class instead of MyClass. Use more STL like names: my_class instead of MyClass.

19
data/lalr1.cc
View File

@@ -46,6 +46,7 @@ m4_define([b4_rhs_value],
[(yysemantic_stack_@{m4_eval([$1 - $2])@}m4_ifval([$3], [.$3]))]) [(yysemantic_stack_@{m4_eval([$1 - $2])@}m4_ifval([$3], [.$3]))])
m4_define_default([b4_location_type], [location]) m4_define_default([b4_location_type], [location])
m4_define_default([b4_filename_type], [std::string])
# b4_lhs_location() # b4_lhs_location()
# ----------------- # -----------------
@@ -118,9 +119,6 @@ b4_copyright([C++ Skeleton parser for LALR(1) parsing with Bison],
#ifndef PARSER_HEADER_H #ifndef PARSER_HEADER_H
# define PARSER_HEADER_H # define PARSER_HEADER_H
#include "stack.hh"
#include "location.hh"
#include <string> #include <string>
#include <iostream> #include <iostream>
@@ -135,6 +133,9 @@ b4_copyright([C++ Skeleton parser for LALR(1) parsing with Bison],
]/* Line __line__ of lalr1.cc. */ ]/* Line __line__ of lalr1.cc. */
b4_syncline([@oline@], [@ofile@])[ b4_syncline([@oline@], [@ofile@])[
#include "stack.hh"
#include "location.hh"
/* Enabling traces. */ /* Enabling traces. */
#ifndef YYDEBUG #ifndef YYDEBUG
# define YYDEBUG ]b4_debug[ # define YYDEBUG ]b4_debug[
@@ -1168,7 +1169,7 @@ namespace yy
public: public:
/// Construct a position. /// Construct a position.
position () : position () :
filename (), filename (0),
line (initial_line), line (initial_line),
column (initial_column) column (initial_column)
{ {
@@ -1200,7 +1201,7 @@ namespace yy
public: public:
/// File name to which this position refers. /// File name to which this position refers.
std::string filename; ]b4_filename_type[* filename;
/// Current line number. /// Current line number.
unsigned int line; unsigned int line;
/// Current column number. /// Current column number.
@@ -1244,8 +1245,8 @@ namespace yy
inline std::ostream& inline std::ostream&
operator<< (std::ostream& ostr, const position& pos) operator<< (std::ostream& ostr, const position& pos)
{ {
if (!pos.filename.empty ()) if (pos.filename)
ostr << pos.filename << ':'; ostr << *pos.filename << ':';
return ostr << pos.line << '.' << pos.column; return ostr << pos.line << '.' << pos.column;
} }
@@ -1347,7 +1348,9 @@ namespace yy
{ {
position last = loc.end - 1; position last = loc.end - 1;
ostr << loc.begin; ostr << loc.begin;
if (loc.begin.filename != last.filename) if (last.filename
&& (!loc.begin.filename
|| *loc.begin.filename != *last.filename))
ostr << '-' << last; ostr << '-' << last;
else if (loc.begin.line != last.line) else if (loc.begin.line != last.line)
ostr << '-' << last.line << '.' << last.column; ostr << '-' << last.line << '.' << last.column;