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Automaton VCG graph output.

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Using option ``-g'' or long option ``--graph'', you can generate
a gram_filename.vcg file containing a VCG description of the LALR (1)
automaton of your grammar.
* src/main.c: Call to print_graph() function.
* src/getargs.h: Update.
* src/getargs.c (options): Update to catch `-g' and `--graph' options.
(graph_flag): New flag.
(longopts): Update.
(getargs): Add case `g'.
* src/files.c (graph_obstack): New obstack struct.
(open_files): Initialize new obstack.
(output_files): Saves graph_obstack if required.
* src/files.h (graph_obstack): New extern declaration.
* src/Makefile.am: Add new source files.
This commit is contained in:
Akim Demaille
2001-08-06 09:22:33 +00:00
parent ce4d5ce009
commit 22c2cbc078
8 changed files with 74 additions and 39 deletions
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5
src/Makefile.am
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@@ -14,7 +14,7 @@ bison_SOURCES = LR0.c closure.c complain.c conflicts.c \
derives.c \
files.c getargs.c gram.c lalr.c lex.c main.c nullable.c \
output.c \
print.c reader.c reduce.c symtab.c warshall.c
print.c reader.c reduce.c symtab.c warshall.c vcg.c print_graph.c
EXTRA_bison_SOURCES = vmsgetargs.c
@@ -22,7 +22,8 @@ noinst_HEADERS = LR0.h closure.h complain.h conflicts.h \
derives.h \
files.h getargs.h gram.h lalr.h lex.h nullable.h \
output.h state.h \
print.h reader.h reduce.h symtab.h warshall.h system.h types.h
print.h reader.h reduce.h symtab.h warshall.h system.h types.h \
vcg.h vcg_defaults.h print_graph.h
pkgdata_DATA = bison.simple bison.hairy