llvm/flang/test/semantics/test_symbols.sh
Tim Keith d42bb955a6 [flang] Support intent-stmt and resolve subprogram prefixes and suffixes.
Recognize `IntentStmt` and use `HandleAttributeStmt()` to implement it
as is done with other attribute statements. Add `Attr::INTENT_INOUT` as
a separate attribute for `INTENT(INOUT)`.

Collect attributes from the prefix and suffix of `FunctionStmt` and
`SubroutineStmt` (including `BIND(C)`) and set them on the subprogram
symbol.

Create a test for this using `test_symbol.sh`. It compiles with
`-funparse-with-symbols` and compares the output with the symbols in
comments in the input.

Change `test_errors.sh` to be similar to `test_symbol.sh`: check usage
and allow `F18` environment variable to override the path to the
compiler.

Original-commit: flang-compiler/f18@384828a22f
Reviewed-on: https://github.com/flang-compiler/f18/pull/120
Tree-same-pre-rewrite: false
2018-07-11 17:45:13 -07:00

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#!/usr/bin/bash
# Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Compile a source file with '-funparse-with-symbols' and verify
# we get the right symbols in the output, i.e. the output should be
# the same as the input, except for the copyright comment.
# Change the compiler by setting the F18 environment variable.
PATH=/usr/bin
srcdir=$(dirname $0)
CMD="${F18:-../../tools/f18/f18} -funparse-with-symbols"
if [[ $# != 1 ]]; then
echo "Usage: $0 <fortran-source>"
exit 1
fi
src=$srcdir/$1
[[ ! -f $src ]] && echo "File not found: $src" && exit 1
if [[ $KEEP ]]; then
temp=.
else
temp=$(mktemp --directory --tmpdir=.)
trap "rm -rf $temp" EXIT
fi
src1=$temp/1.f90
src2=$temp/2.f90
src3=$temp/3.f90
diffs=$temp/diffs
# Strip out blank lines and all comments except "!DEF:" and "!REF:"
sed -e 's/!\([DR]EF:\)/KEEP \1/' \
-e 's/!.*//' -e 's/ *$//' -e '/^$/d' -e 's/KEEP \([DR]EF:\)/!\1/' \
$src > $src1
egrep -v '^ *!' $src1 > $src2 # strip out meaningful comments
$CMD $src2 > $src3 # compile, inserting comments for symbols
if diff -U999999 $src1 $src3 > $diffs; then
echo PASS
else
sed '1,/^\@\@/d' $diffs
echo
echo FAIL
exit 1
fi