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#!/bin/bash
if (($# != 1)); then
>&2 echo "Usage: $0 <identifier>";
exit 1;
fi;
function grepc_macro_simple()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "define $1\b[^(]" \
| sort \
| xargs pcregrep -Mn "(?s)define $1\b[^(].*?[^\\\\]$" /dev/null \
| sed -E 's/^[^: ]+:[0-9]+:/\n\n&\n\n/';
}
function grepc_macro_func()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "define $1(" \
| sort \
| xargs pcregrep -Mn "(?s)define $1\(.*?[^\\\\]$" /dev/null \
| sed -E 's/^[^: ]+:[0-9]+:/\n\n&\n\n/';
}
function grepc_macro()
{
grepc_macro_simple "$1";
grepc_macro_func "$1";
}
function grepc_func_decl()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "\b$1\b" \
| sort \
| xargs pcregrep -Mn \
"(?s)^[\w[][\w\s(,)[:\]*]+\s+\**$1\s*\([\w\s(,)[\]*]+?(...)?\)[\w\s(,)[:\]]*;" /dev/null \
| sed -E 's/^[^: ]+:[0-9]+:/\n\n&\n\n/';
}
function grepc_func_def()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "^$1\b" \
| sort \
| xargs pcregrep -Mn \
"(?s)^[\w\s*]+?^$1\([\w\s(,)[\]*]+?(...)?\)\s*{.*?^}" /dev/null \
| sed -E 's/^[^: ]+:[0-9]+:/\n\n&/';
}
function grepc_func()
{
grepc_func_decl "$1";
grepc_func_def "$1";
}
function grepc_type_struct_union_enum()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "\b$1\b" \
| sort \
| xargs pcregrep -Mn \
"(?s)^(struct|union|enum)\s+$1\b\s*[\w\s[\]]*{.*?^}.*?;" /dev/null \
| sed -E 's/^[^: ]+:[0-9]+:/\n\n&\n\n/';
}
function grepc_type_typedef_oneline()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "^typedef .* $1;" \
| sort \
| xargs grep -n "^typedef .* $1;" /dev/null \
| sed -E 's/^[^: ]+:[0-9]+:/\n\n&\n\n/';
}
function grepc_type_typedef_struct_union_enum()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -l "^} $1;" \
| sort \
| while read f; do
grep -n "^} $1;" $f /dev/null \
| sed -E 's/^([^: ]+:[0-9]+:).*/\n\n\1\n/';
tac <$f \
| sed -n "/^} $1;/,/^typedef/p" \
| tac;
done;
}
function grepc_type_typedef_underlying_struct_union_enum()
{
find . -type f \
| grep '\.[ch]$' \
| xargs grep -h "^typedef .* *\b$1;" \
| sed -e 's/^typedef //' -e "s/ *\b$1;.*//" \
| sed -e 's/^struct //' -e 's/^union //' -e 's/^enum //' \
| while read t; do
grepc_type_struct_union_enum "$t";
done;
}
function grepc_type_typedef()
{
grepc_type_typedef_oneline "$1";
grepc_type_typedef_struct_union_enum "$1";
grepc_type_typedef_underlying_struct_union_enum "$1";
}
function grepc_type()
{
grepc_type_struct_union_enum "$1";
grepc_type_typedef "$1";
}
function main()
{
grepc_macro "$1";
grepc_func "$1";
grepc_type "$1";
}
main "$1";
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