Hi, I met with this message when I want to parse UnixODBC's header file: but guile version is 2.0.11
$ ./cxp -Ilang/c99/ -I/usr/include /usr/include/sql.h Backtrace: In ice-9/boot-9.scm: 4052: 19 [#<procedure 23f4a00 at ice-9/boot-9.scm:4045:3 ()>] In unknown file: ?: 18 [load-compiled/vm "/home/chaos/.cache/guile/ccache/2.0-LE-8-2.0/home/chaos/src/nyacc/examples/nyacc/cxp.go"] In ice-9/boot-9.scm: 768: 17 [for-each #<procedure 2a056c0 at /home/chaos/src/nyacc/examples/nyacc/./cxp:52:3 (file)> ...] In /home/chaos/src/nyacc/examples/nyacc/./cxp: 53: 16 [#<procedure 2a056c0 at /home/chaos/src/nyacc/examples/nyacc/./cxp:52:3 (file)> "/usr/include/sql.h"] In ice-9/boot-9.scm: 867: 15 [call-with-input-file "/usr/include/sql.h" ...] In ice-9/r4rs.scm: 172: 14 [with-input-from-port #<variable 2a0cc00 value: #<input: file /dev/pts/3>> ...] In ice-9/boot-9.scm: 157: 13 [catch parse-error ...] In unknown file: ?: 12 [with-fluid* #<fluid 22> # ...] In ../../../../module/nyacc/parse.scm: 120: 11 [#<procedure 219c540 at ../../../../module/nyacc/parse.scm:97:4 (lexr #:key debug)> #<procedure 221d080 at /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/body.scm:246:8 ()> ...] In /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/body.scm: 371: 10 [#<procedure 221d080 at /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/body.scm:246:8 ()>] 349: 9 [read-token] 277: 8 [exec-cpp "include \"sqltypes.h\""] In ice-9/boot-9.scm: 867: 7 [call-with-input-file "/usr/include/sqltypes.h" ...] In ice-9/r4rs.scm: 172: 6 [with-input-from-port #<variable 2a19410 value: #<input: /usr/include/sql.h 5>> ...] In ../../../../module/nyacc/parse.scm: 120: 5 [#<procedure 219c540 at ../../../../module/nyacc/parse.scm:97:4 (lexr #:key debug)> #<procedure 221d000 at /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/body.scm:246:8 ()> ...] In /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/body.scm: 371: 4 [#<procedure 221d000 at /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/body.scm:246:8 ()>] 349: 3 [read-token] 294: 2 [exec-cpp "if (ODBCVER >= 0x0300)"] In ice-9/boot-9.scm: 157: 1 [catch error ...] In /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/cppbody.scm: 69: 0 [eval-expr (ge (ident "ODBCVER") (fixed "0x0300"))] /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/cppbody.scm:69:22: In procedure eval-expr: /home/chaos/src/nyacc/examples/nyacc/../../module/nyacc/lang/c99/cppbody.scm:69:22: In procedure >=: Wrong type argument in position 1: #f chaos@florrum:~/src/nyacc/examples/nyacc On Fri, Apr 15, 2016 at 9:35 PM Matt Wette <matt.we...@gmail.com> wrote: > nyacc version 0.71.0 is released as beta > > nyacc is a LALR parser generator written from the ground up in guile > > Features/Updates: > * clean scheme-flavored syntax for grammar specification > * prototype parsers for C99,(partial) javascript, matlab that output parse > trees in a SXML format > * update: C99 preprocessor updated to expand defines in C code > * update: cleaned up file structure > * update: started working on test-suite > * update: added grammar for C++ > * update: build parsers via bison > + to use in example below replace `make-lalr-machine' with > `make-lalr-machine/bison’, > after adding (use-module (nyacc bison) > + the bison module will > - export a bison gram.y file, > - run "bison -x gram.y” to produce a gram.xml file > - translate gram.xml file into the nyacc “machine” data structure > > To run a simple demo: > $ tar xzf nyacc-0.71.tar.gz > $ cd examples/nyacc/lang/calc > $ ./calc > 2 + 2 => 4 > > Tcalc.scm: > > (use-modules (nyacc lalr)) > (use-modules (nyacc lex)) > (use-modules (nyacc parse)) > > (define simple-spec > (lalr-spec > (prec< (left "+" "-") (left "*" "/")) > (start expr) > (grammar > (expr > (expr "+" expr ($$ (+ $1 $3))) > (expr "-" expr ($$ (- $1 $3))) > (expr "*" expr ($$ (* $1 $3))) > (expr "/" expr ($$ (/ $1 $3))) > ($fixed ($$ (string->number $1))) > ($float ($$ (string->number $1))) > ("(" expr ")" ($$ $2)))))) > > (define simple-mach (make-lalr-machine simple-spec)) > > (define match-table (assq-ref simple-mach 'mtab)) > > (define gen-lexer (make-lexer-generator match-table)) > > (define parse (make-lalr-parser simple-mach)) > > (define demo-string "2 + 2") > > (simple-format #t "~A => ~A\n" > demo-string > (with-input-from-string demo-string > (lambda () (parse (gen-lexer))))) > > download tarball from: > http://download.savannah.gnu.org/releases/nyacc/ > or git clone from > git://git.savannah.nongnu.org/nyacc.git > > >