-*- Autoconf -*-
# Language-independent M4 Macros for Bison.
-# Copyright (C) 2002, 2004, 2005, 2006, 2007, 2008, 2009 Free Software
-# Foundation, Inc.
+
+# Copyright (C) 2002, 2004-2012 Free Software Foundation, Inc.
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
#
# For example:
#
-# b4_error([[warn]], [[invalid value for `%s': %s]], [[foo]], [[3]])
+# b4_error([[warn]], [[invalid value for '%s': %s]], [[foo]], [[3]])
m4_define([b4_error],
[b4_cat([[@]$1[(]$2[]]dnl
[m4_if([$#], [2], [],
#
# For example:
#
-# b4_warn([[invalid value for `%s': %s]], [[foo]], [[3]])
+# b4_warn([[invalid value for '%s': %s]], [[foo]], [[3]])
#
# As a simple test suite, this:
#
# b4_check_user_names(WHAT, USER-LIST, BISON-NAMESPACE)
-# --------------------------------------------------------
-# Warn if any name of type WHAT is used by the user (as recorded in USER-LIST)
-# but is not used by Bison (as recorded by macros in the namespace
-# BISON-NAMESPACE).
+# -----------------------------------------------------
+# Complain if any name of type WHAT is used by the user (as recorded in
+# USER-LIST) but is not used by Bison (as recorded by macros in the
+# namespace BISON-NAMESPACE).
#
-# USER-LIST must expand to a list specifying all grammar occurrences of all
-# names of type WHAT. Each item in the list must be a triplet specifying one
+# USER-LIST must expand to a list specifying all user occurrences of all names
+# of type WHAT. Each item in the list must be a triplet specifying one
# occurrence: name, start boundary, and end boundary. Empty string names are
# fine. An empty list is fine.
#
m4_pushdef([b4_start], m4_car(m4_shift(b4_occurrence)))dnl
m4_pushdef([b4_end], m4_shift(m4_shift(b4_occurrence)))dnl
m4_ifndef($3[(]m4_quote(b4_user_name)[)],
- [b4_warn_at([b4_start], [b4_end],
- [[%s `%s' is not used]],
- [$1], [b4_user_name])])[]dnl
+ [b4_complain_at([b4_start], [b4_end],
+ [[%s '%s' is not used]],
+ [$1], [b4_user_name])])[]dnl
m4_popdef([b4_occurrence])dnl
m4_popdef([b4_user_name])dnl
m4_popdef([b4_start])dnl
m4_popdef([b4_end])dnl
])])
-# b4_percent_define_get(VARIABLE)
+
+
+
+## --------------------- ##
+## b4_percent_define_*. ##
+## --------------------- ##
+
+
+# b4_percent_define_use(VARIABLE)
# -------------------------------
-# Mimic muscle_percent_define_get in ../src/muscle_tab.h exactly. That is, if
-# the %define variable VARIABLE is defined, emit its value. Also, record
+# Declare that VARIABLE was used.
+m4_define([b4_percent_define_use],
+[m4_define([b4_percent_define_bison_variables(]$1[)])dnl
+])
+
+# b4_percent_define_get(VARIABLE, [DEFAULT])
+# ------------------------------------------
+# Mimic muscle_percent_define_get in ../src/muscle-tab.h. That is, if
+# the %define variable VARIABLE is defined, emit its value. Contrary
+# to its C counterpart, return DEFAULT otherwise. Also, record
# Bison's usage of VARIABLE by defining
# b4_percent_define_bison_variables(VARIABLE).
#
#
# b4_percent_define_get([[foo]])
m4_define([b4_percent_define_get],
-[m4_define([b4_percent_define_bison_variables(]$1[)])dnl
-m4_ifdef([b4_percent_define(]$1[)], [m4_indir([b4_percent_define(]$1[)])])])
+[b4_percent_define_use([$1])dnl
+m4_ifdef([b4_percent_define(]$1[)],
+ [m4_indir([b4_percent_define(]$1[)])],
+ [$2])])
+
# b4_percent_define_get_loc(VARIABLE)
# -----------------------------------
-# Mimic muscle_percent_define_get_loc in ../src/muscle_tab.h exactly. That is,
+# Mimic muscle_percent_define_get_loc in ../src/muscle-tab.h exactly. That is,
# if the %define variable VARIABLE is undefined, complain fatally since that's
# a Bison or skeleton error. Otherwise, return its definition location in a
# form approriate for the first two arguments of b4_warn_at, b4_complain_at, or
[m4_pushdef([b4_loc], m4_indir([b4_percent_define_loc(]$1[)]))dnl
b4_loc[]dnl
m4_popdef([b4_loc])],
- [b4_fatal([[undefined %%define variable `%s' passed to b4_percent_define_get_loc]], [$1])])])
+ [b4_fatal([[b4_percent_define_get_loc: undefined %%define variable '%s']], [$1])])])
# b4_percent_define_get_syncline(VARIABLE)
# ----------------------------------------
-# Mimic muscle_percent_define_get_syncline in ../src/muscle_tab.h exactly.
+# Mimic muscle_percent_define_get_syncline in ../src/muscle-tab.h exactly.
# That is, if the %define variable VARIABLE is undefined, complain fatally
# since that's a Bison or skeleton error. Otherwise, return its definition
# location as a b4_syncline invocation. Don't record this as a Bison usage of
m4_define([b4_percent_define_get_syncline],
[m4_ifdef([b4_percent_define_syncline(]$1[)],
[m4_indir([b4_percent_define_syncline(]$1[)])],
- [b4_fatal([[undefined %%define variable `%s' passed to b4_percent_define_get_syncline]], [$1])])])
+ [b4_fatal([[b4_percent_define_get_syncline: undefined %%define variable '%s']], [$1])])])
# b4_percent_define_ifdef(VARIABLE, IF-TRUE, [IF-FALSE])
# ------------------------------------------------------
-# Mimic muscle_percent_define_ifdef in ../src/muscle_tab.h exactly. That is,
+# Mimic muscle_percent_define_ifdef in ../src/muscle-tab.h exactly. That is,
# if the %define variable VARIABLE is defined, expand IF-TRUE, else expand
# IF-FALSE. Also, record Bison's usage of VARIABLE by defining
# b4_percent_define_bison_variables(VARIABLE).
# b4_percent_define_flag_if(VARIABLE, IF-TRUE, [IF-FALSE])
# --------------------------------------------------------
-# Mimic muscle_percent_define_flag_if in ../src/muscle_tab.h exactly. That is,
+# Mimic muscle_percent_define_flag_if in ../src/muscle-tab.h exactly. That is,
# if the %define variable VARIABLE is defined to "" or "true", expand IF-TRUE.
# If it is defined to "false", expand IF-FALSE. Complain if it is undefined
# (a Bison or skeleton error since the default value should have been set
[m4_case(b4_percent_define_get([$1]),
[], [$2], [true], [$2], [false], [$3],
[m4_expand_once([b4_complain_at(b4_percent_define_get_loc([$1]),
- [[invalid value for %%define Boolean variable `%s']],
+ [[invalid value for %%define Boolean variable '%s']],
[$1])],
[[b4_percent_define_flag_if($1)]])])],
- [b4_fatal([[undefined %%define variable `%s' passed to b4_percent_define_flag_if]], [$1])])])
+ [b4_fatal([[b4_percent_define_flag_if: undefined %%define variable '%s']], [$1])])])
# b4_percent_define_default(VARIABLE, DEFAULT)
# --------------------------------------------
-# Mimic muscle_percent_define_default in ../src/muscle_tab.h exactly. That is,
+# Mimic muscle_percent_define_default in ../src/muscle-tab.h exactly. That is,
# if the %define variable VARIABLE is undefined, set its value to DEFAULT.
# Don't record this as a Bison usage of VARIABLE as there's no reason to
# suspect that the value has yet influenced the output.
# b4_percent_define_check_values(VALUES)
# --------------------------------------
-# Mimic muscle_percent_define_check_values in ../src/muscle_tab.h exactly
+# Mimic muscle_percent_define_check_values in ../src/muscle-tab.h exactly
# except that the VALUES structure is more appropriate for M4. That is, VALUES
# is a list of sublists of strings. For each sublist, the first string is the
# name of a %define variable, and all remaining strings in that sublist are the
[m4_define([b4_good_value], [1])])])])dnl
m4_if(b4_good_value, [0],
[b4_complain_at(b4_percent_define_get_loc([$1]),
- [[invalid value for %%define variable `%s': `%s']],
+ [[invalid value for %%define variable '%s': '%s']],
[$1],
- m4_dquote(m4_indir([b4_percent_define(]$1[)])))])dnl
+ m4_dquote(m4_indir([b4_percent_define(]$1[)])))
+ m4_foreach([b4_value], m4_dquote(m4_shift($@)),
+ [b4_complain_at(b4_percent_define_get_loc([$1]),
+ [[accepted value: '%s']],
+ m4_dquote(b4_value))])])dnl
m4_popdef([b4_good_value])],
- [b4_fatal([[undefined %%define variable `%s' passed to b4_percent_define_check_values]], [$1])])])
+ [b4_fatal([[b4_percent_define_check_values: undefined %%define variable '%s']], [$1])])])
# b4_percent_code_get([QUALIFIER])
# --------------------------------
projects / bison.git / blobdiff