| #----------------------------------------------------------------- |
| # pycparser: _build_tables.py |
| # |
| # A dummy for generating the lexing/parsing tables and and |
| # compiling them into .pyc for faster execution in optimized mode. |
| # Also generates AST code from the configuration file. |
| # Should be called from the pycparser directory. |
| # |
| # Eli Bendersky [https://eli.thegreenplace.net/] |
| # License: BSD |
| #----------------------------------------------------------------- |
| |
| # Insert '.' and '..' as first entries to the search path for modules. |
| # Restricted environments like embeddable python do not include the |
| # current working directory on startup. |
| import sys |
| sys.path[0:0] = ['.', '..'] |
| |
| # Generate c_ast.py |
| from _ast_gen import ASTCodeGenerator |
| ast_gen = ASTCodeGenerator('_c_ast.cfg') |
| ast_gen.generate(open('c_ast.py', 'w')) |
| |
| from pycparser import c_parser |
| |
| # Generates the tables |
| # |
| c_parser.CParser( |
| lex_optimize=True, |
| yacc_debug=False, |
| yacc_optimize=True) |
| |
| # Load to compile into .pyc |
| # |
| import lextab |
| import yacctab |
| import c_ast |