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* Improve option handling and output of ast_printerMu Qiao2011-04-091-0/+108
| | | | | | Now ast_printer can use -f to specify multiple files as input. Add -n option to specify whether to print out file name while interpreting.
* Simplify lexer, add post_check.Mu Qiao2011-03-122-0/+238
| | | | | | The generated lexer and parser c files were multiple megabytes which meant that the generated shared library was also huge. With these changes the library stripped is a little over a megabyte.
* Fix running ./configure without argumentsPetteri Räty2011-03-061-1/+1
| | | | | Fixed googletest autoconf support so that giving --enable-gtest is not required to run the tests successfully.
* Add requirement for boost to build systemPetteri Räty2010-08-291-0/+252
| | | | Spirit from boost will be used to make the echo implementation simpler.
* Echo builtin and associated unit testsNathan Eloe2010-08-222-0/+395
Implements echo as a builtin function. Uses google-test+ to test the functionality of the builtin. Adds the tests to make check in main build system. aclocal needs the flags -I m4 to pull all project m4s in.