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| author | bnewbold <bnewbold@robocracy.org> | 2012-12-24 15:39:35 +0100 |
|---|---|---|
| committer | bnewbold <bnewbold@robocracy.org> | 2012-12-24 15:39:35 +0100 |
| commit | 2403b07ec0a7586108798271fa04eb034445f51d (patch) | |
| tree | 805f1ac5b46b484799c7c585f46b626da890dd96 /expr.py | |
| parent | 4818443a6a7abb9fe3976dd5846d42816e9d2328 (diff) | |
| download | bytetunes-2403b07ec0a7586108798271fa04eb034445f51d.tar.gz bytetunes-2403b07ec0a7586108798271fa04eb034445f51d.zip | |
updates to documentation, code cleanup, comments
Diffstat (limited to 'expr.py')
| -rw-r--r-- | expr.py | 18 |
1 files changed, 14 insertions, 4 deletions
@@ -1,5 +1,9 @@ """ +Crude bytetunes parsing and playback routines in python. + +Probably has lots of bugs; see TODO file. + PARENS: '(' (EXPR | ATOM) ')' EXPR: (BINARY | PARENS | NOT) BINARY: (ATOM | EXPR) BOPER (ATOM | EXPR) @@ -140,6 +144,7 @@ def schemify(ast): def test_parse(): """ + TODO """ def tokenize(s): @@ -244,7 +249,8 @@ def test_preparse(): assert preparse(tokenize("()()()()()()")) == [] assert preparse(tokenize("(((((())))))")) == [] assert preparse(tokenize("(1 + (2 >> 3) / 5)")) == \ - [('PARENS', ('NUM', 1), ('OPER', '+'), ('PARENS', ('NUM', 2), ('OPER', 'r'), ('NUM', 3)), ('OPER', '/'), ('NUM', 5))] + [('PARENS', ('NUM', 1), ('OPER', '+'), ('PARENS', ('NUM', 2), + ('OPER', 'r'), ('NUM', 3)), ('OPER', '/'), ('NUM', 5))] print "\tall passed!" def test_parse(): @@ -260,8 +266,10 @@ def test_parse(): assert parse(preparse(tokenize("()"))) == tuple() assert parse(preparse(tokenize("0"))) == ('ATOM', ('NUM', 0)) assert parse(preparse(tokenize("~1"))) == ('NOT', ('ATOM', ('NUM', 1))) - assert parse(preparse(tokenize("~~1"))) == ('NOT', ('NOT', ('ATOM', ('NUM', 1)))) - assert parse(preparse(tokenize("~~t"))) == ('NOT', ('NOT', ('ATOM', ('VAR',)))) + assert parse(preparse(tokenize("~~1"))) == \ + ('NOT', ('NOT', ('ATOM', ('NUM', 1)))) + assert parse(preparse(tokenize("~~t"))) == \ + ('NOT', ('NOT', ('ATOM', ('VAR',)))) assert parse(preparse(tokenize("1<<1"))) == \ ('BINARY', 'l', ('ATOM', ('NUM', 1)), ('ATOM', ('NUM', 1))) assert parse(preparse(tokenize("1^1"))) == \ @@ -276,8 +284,10 @@ def test_parse(): assert parse(preparse(tokenize("1 ~"))) == "SHOULD FAIL" except: pass - assert strmachine(parse(preparse(tokenize("1 + 2 * 3 ^ 5 | 6 & 7 >> 8 + ~ 9")))) == \ + assert strmachine(parse(preparse(tokenize( + "1 + 2 * 3 ^ 5 | 6 & 7 >> 8 + ~ 9")))) == \ "(| (^ (+ 1 (* 2 3)) 5) (& 6 (>> 7 (+ 8 (~ 9)))))" + print "\tall passed!" def test_tokenize(): print "------ test_tokenize" |