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@codedot
Created Mar 31, 2011
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Makefile to determine Shell subgrammars
RULES = \
complete_command \
list \
and_or \
pipeline \
pipe_sequence \
command \
compound_command \
compound_list \
term \
for_clause \
do_group \
case_clause \
case_list_ns \
case_list \
case_item_ns \
case_item \
if_clause \
else_part \
function_body \
simple_command \
cmd_prefix \
cmd_suffix \
redirect_list \
io_redirect \
linebreak \
separator \
sequential_sep \
io_file \
io_here \
newline_list \
separator_op \
pattern \
wordlist
all:
for rule in $(RULES); do \
mkdir -p $$rule && \
cd $$rule && \
$(MAKE) -f ../Makefile $$rule && \
cd - && \
printf 'Result: %s includes %s rules\n' $$rule \
`ls $$rule | wc -l` || \
break; \
done
clean:
rm -fr $(RULES)
$(RULES):
touch $@
complete_command: list separator
list: separator_op and_or
and_or: pipeline linebreak
pipeline: pipe_sequence
pipe_sequence: command linebreak
command: simple_command compound_command redirect_list \
linebreak function_body
compound_command: compound_list for_clause case_clause \
if_clause do_group
compound_list: term newline_list separator
term: separator and_or
for_clause: linebreak do_group sequential_sep wordlist
do_group: compound_list
case_clause: linebreak case_list case_list_ns
case_list_ns: case_list case_item_ns
case_list: case_item
case_item_ns: pattern linebreak compound_list
case_item: pattern linebreak compound_list
if_clause: compound_list else_part
else_part: compound_list
function_body: compound_command redirect_list
simple_command: cmd_prefix cmd_suffix
cmd_prefix cmd_suffix redirect_list: io_redirect
io_redirect: io_file io_here
linebreak: newline_list
separator: separator_op linebreak newline_list
sequential_sep: linebreak newline_list
io_file io_here newline_list separator_op pattern wordlist:
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