1*cda5da8dSAndroid Build Coastguard Worker -*- Autoconf -*- 2*cda5da8dSAndroid Build Coastguard Worker 3*cda5da8dSAndroid Build Coastguard Worker# Common code for C-like languages (C, C++, Java, etc.) 4*cda5da8dSAndroid Build Coastguard Worker 5*cda5da8dSAndroid Build Coastguard Worker# Copyright (C) 2012-2015, 2018-2021 Free Software Foundation, Inc. 6*cda5da8dSAndroid Build Coastguard Worker 7*cda5da8dSAndroid Build Coastguard Worker# This program is free software: you can redistribute it and/or modify 8*cda5da8dSAndroid Build Coastguard Worker# it under the terms of the GNU General Public License as published by 9*cda5da8dSAndroid Build Coastguard Worker# the Free Software Foundation, either version 3 of the License, or 10*cda5da8dSAndroid Build Coastguard Worker# (at your option) any later version. 11*cda5da8dSAndroid Build Coastguard Worker# 12*cda5da8dSAndroid Build Coastguard Worker# This program is distributed in the hope that it will be useful, 13*cda5da8dSAndroid Build Coastguard Worker# but WITHOUT ANY WARRANTY; without even the implied warranty of 14*cda5da8dSAndroid Build Coastguard Worker# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*cda5da8dSAndroid Build Coastguard Worker# GNU General Public License for more details. 16*cda5da8dSAndroid Build Coastguard Worker# 17*cda5da8dSAndroid Build Coastguard Worker# You should have received a copy of the GNU General Public License 18*cda5da8dSAndroid Build Coastguard Worker# along with this program. If not, see <https://www.gnu.org/licenses/>. 19*cda5da8dSAndroid Build Coastguard Worker 20*cda5da8dSAndroid Build Coastguard Worker 21*cda5da8dSAndroid Build Coastguard Worker# _b4_comment(TEXT, OPEN, CONTINUE, END) 22*cda5da8dSAndroid Build Coastguard Worker# -------------------------------------- 23*cda5da8dSAndroid Build Coastguard Worker# Put TEXT in comment. Avoid trailing spaces: don't indent empty lines. 24*cda5da8dSAndroid Build Coastguard Worker# Avoid adding indentation to the first line, as the indentation comes 25*cda5da8dSAndroid Build Coastguard Worker# from OPEN. That's why we don't patsubst([$1], [^\(.\)], [ \1]). 26*cda5da8dSAndroid Build Coastguard Worker# Turn "*/" in TEXT into "* /" so that we don't unexpectedly close 27*cda5da8dSAndroid Build Coastguard Worker# the comments before its end. 28*cda5da8dSAndroid Build Coastguard Worker# 29*cda5da8dSAndroid Build Coastguard Worker# Prefix all the output lines with PREFIX. 30*cda5da8dSAndroid Build Coastguard Workerm4_define([_b4_comment], 31*cda5da8dSAndroid Build Coastguard Worker[$2[]b4_gsub(m4_expand([$1]), 32*cda5da8dSAndroid Build Coastguard Worker [[*]/], [*\\/], 33*cda5da8dSAndroid Build Coastguard Worker [/[*]], [/\\*], 34*cda5da8dSAndroid Build Coastguard Worker [ 35*cda5da8dSAndroid Build Coastguard Worker\(.\)], [ 36*cda5da8dSAndroid Build Coastguard Worker$3\1])$4]) 37*cda5da8dSAndroid Build Coastguard Worker 38*cda5da8dSAndroid Build Coastguard Worker 39*cda5da8dSAndroid Build Coastguard Worker# b4_comment(TEXT, [PREFIX]) 40*cda5da8dSAndroid Build Coastguard Worker# -------------------------- 41*cda5da8dSAndroid Build Coastguard Worker# Put TEXT in comment. Prefix all the output lines with PREFIX. 42*cda5da8dSAndroid Build Coastguard Workerm4_define([b4_comment], 43*cda5da8dSAndroid Build Coastguard Worker[_b4_comment([$1], [$2/* ], [$2 ], [ */])]) 44*cda5da8dSAndroid Build Coastguard Worker 45*cda5da8dSAndroid Build Coastguard Worker 46*cda5da8dSAndroid Build Coastguard Worker 47*cda5da8dSAndroid Build Coastguard Worker 48*cda5da8dSAndroid Build Coastguard Worker# _b4_dollar_dollar(VALUE, SYMBOL-NUM, FIELD, DEFAULT-FIELD) 49*cda5da8dSAndroid Build Coastguard Worker# ---------------------------------------------------------- 50*cda5da8dSAndroid Build Coastguard Worker# If FIELD (or DEFAULT-FIELD) is non-null, return "VALUE.FIELD", 51*cda5da8dSAndroid Build Coastguard Worker# otherwise just VALUE. Be sure to pass "(VALUE)" if VALUE is a 52*cda5da8dSAndroid Build Coastguard Worker# pointer. 53*cda5da8dSAndroid Build Coastguard Workerm4_define([_b4_dollar_dollar], 54*cda5da8dSAndroid Build Coastguard Worker[b4_symbol_value([$1], 55*cda5da8dSAndroid Build Coastguard Worker [$2], 56*cda5da8dSAndroid Build Coastguard Worker m4_if([$3], [[]], 57*cda5da8dSAndroid Build Coastguard Worker [[$4]], [[$3]]))]) 58*cda5da8dSAndroid Build Coastguard Worker 59*cda5da8dSAndroid Build Coastguard Worker# b4_dollar_pushdef(VALUE-POINTER, SYMBOL-NUM, [TYPE_TAG], LOCATION) 60*cda5da8dSAndroid Build Coastguard Worker# b4_dollar_popdef 61*cda5da8dSAndroid Build Coastguard Worker# ------------------------------------------------------------------ 62*cda5da8dSAndroid Build Coastguard Worker# Define b4_dollar_dollar for VALUE-POINTER and DEFAULT-FIELD, 63*cda5da8dSAndroid Build Coastguard Worker# and b4_at_dollar for LOCATION. 64*cda5da8dSAndroid Build Coastguard Workerm4_define([b4_dollar_pushdef], 65*cda5da8dSAndroid Build Coastguard Worker[m4_pushdef([b4_dollar_dollar], 66*cda5da8dSAndroid Build Coastguard Worker [_b4_dollar_dollar([$1], [$2], m4_dquote($][1), [$3])])dnl 67*cda5da8dSAndroid Build Coastguard Workerm4_pushdef([b4_at_dollar], [$4])dnl 68*cda5da8dSAndroid Build Coastguard Worker]) 69*cda5da8dSAndroid Build Coastguard Workerm4_define([b4_dollar_popdef], 70*cda5da8dSAndroid Build Coastguard Worker[m4_popdef([b4_at_dollar])dnl 71*cda5da8dSAndroid Build Coastguard Workerm4_popdef([b4_dollar_dollar])dnl 72*cda5da8dSAndroid Build Coastguard Worker]) 73