[Cpptool-cvs] rfta/src/pyrfta/test cppastdump.py,NONE,1.1

[<bl...@us...>]

Update of /cvsroot/cpptool/rfta/src/pyrfta/test
In directory sc8-pr-cvs1:/tmp/cvs-serv2688

Added Files:
	cppastdump.py 
Log Message:
* a directory is specified in the command instead of a single file.

--- NEW FILE: cppastdump.py ---
# parser C++ file and dump AST to output

from rfta.parser import grammar
from rfta.parser import tokenizer
import glob
import sys
import os.path

def dumpAST( input_file_name ):
    file_in = file(input_file_name, 'rt')
    text = file_in.read()
    file_in.close()

    tokens = tokenizer.CppScanner().tokenize( text )
    scanner = grammar.TokenProvider( tokens, grammar.StructuredTokenStream(), None )
    match = grammar.translation_unit_pi.parse( scanner )
    if not match:
        print 'Failed to parse file %s' % input_file_name
        sys.exit(1)

    root_node = scanner.getStructuredTokenStream().makeNodeTree()

    output_file_name = input_file_name + '.txt'
    file_out = file( output_file_name, 'wt' )

    print >>file_out, 'Successfully parsed %s:' % input_file_name
    print >>file_out, text
    print >>file_out
    print >>file_out, 'Produced AST:'
    print >>file_out, root_node.getPrettyString()

    file_out.close()


if len(sys.argv) != 2:
    print 'Usage: cppastdump.py directory'
    print 'The program will parse all .cpp and .h files contained in the specified directory.'
    print 'AST will be output in the same directory, in a file .txt extension.'
    sys.exit(2)

input_directory = sys.argv[1]
filenames = glob.glob(os.path.join(input_directory, '*.cpp' ))
filenames.extend( glob.glob(os.path.join(input_directory, '*.h' )) )
for filename in filenames:
    print 'Parsing', filename
    dumpAST( filename )