tock-mirror/frontends/PreprocessOccamTest.hs
Adam Sampson c8b6be34e1 Implement comparisons in preprocessor expressions.
This brings Tock's conditional compilation facilities up to par with occ21.
2008-02-29 00:23:49 +00:00

198 lines
8.8 KiB
Haskell

{-
Tock: a compiler for parallel languages
Copyright (C) 2008 Adam Sampson <ats@offog.org>
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 2 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program. If not, see <http://www.gnu.org/licenses/>.
-}
-- | Tests for the occam preprocessor.
module PreprocessOccamTest (tests) where
import Test.HUnit
import LexOccam
import Metadata
import PreprocessOccam
import TestUtils
-- | Test 'preprocessOccam' when we're expecting it to succeed.
testPP :: Int -> [TokenType] -> [TokenType] -> Test
testPP n itts etts = TestCase $ testPass ("testPP " ++ show n) (makeTokens etts) pass (return ())
where
makeTokens = zip (repeat emptyMeta)
pass = preprocessOccam (makeTokens itts)
-- | Test a preprocessor condition string after a series of tokens.
testPPCondAfter :: Int -> [TokenType] -> String -> Bool -> Test
testPPCondAfter n tts condition exp
= testPP n (tts ++ [TokPreprocessor $ "#IF " ++ condition, EndOfLine,
TokIdentifier "abc",
TokPreprocessor $ "#ENDIF", EndOfLine])
(if exp then [TokIdentifier "abc"] else [])
-- | Test a preprocessor condition string.
testPPCond :: Int -> String -> Bool -> Test
testPPCond n = testPPCondAfter n []
-- | Test 'preprocessOccam' when we're expecting it to fail.
testPPFail :: Int -> [TokenType] -> Test
testPPFail n itts = TestCase $ testPassShouldFail ("testPPFail " ++ show n) pass (return ())
where
makeTokens = zip (repeat emptyMeta)
pass = preprocessOccam (makeTokens itts)
--{{{ 0xxx simple stuff
testSimple :: Test
testSimple = TestLabel "testSimple" $ TestList
[ testPP 0 [] []
, testPP 10 [tp "#COMMENT blah", eol] []
, testPP 20 arbitrary arbitrary
, testPPFail 900 [tp "#INCLUDE \"this-should-not-exist.inc\"", eol]
]
where
tp = TokPreprocessor
eol = EndOfLine
arbitrary = [Indent, Outdent, EndOfLine, TokReserved "blah", TokIdentifier "bleh"]
--}}}
--{{{ 1xxx #IF/#ELSE/#ENDIF
testIf :: Test
testIf = TestLabel "testIf" $ TestList
-- Simple conditionals
[ testPP 1000 [tp "#IF TRUE", eol, ti "abc", tp "#ENDIF", eol] [ti "abc"]
, testPP 1010 [tp "#IF FALSE", eol, ti "abc", tp "#ENDIF", eol] []
, testPP 1020 [tp "#IF TRUE", eol, ti "abc", tp "#ELSE", eol, ti "def", tp "#ENDIF", eol] [ti "abc"]
, testPP 1030 [tp "#IF FALSE", eol, ti "abc", tp "#ELSE", eol, ti "def", tp "#ENDIF", eol] [ti "def"]
, testPP 1040 [tp "#IF FALSE", eol, tp "#INCLUDE \"does-not-exist.inc\"", eol, tp "#ENDIF", eol] []
-- Nested conditionals
, testPP 1100 [tp "#IF FALSE", eol, tp "#IF FALSE", eol, ti "abc", tp "#ENDIF", eol, tp "#ENDIF", eol] []
, testPP 1110 [tp "#IF FALSE", eol, tp "#IF TRUE", eol, ti "abc", tp "#ENDIF", eol, tp "#ENDIF", eol] []
, testPP 1120 [tp "#IF TRUE", eol, tp "#IF FALSE", eol, ti "abc", tp "#ENDIF", eol, tp "#ENDIF", eol] []
, testPP 1130 [tp "#IF TRUE", eol, tp "#IF TRUE", eol, ti "abc", tp "#ENDIF", eol, tp "#ENDIF", eol] [ti "abc"]
, testPP 1140 [tp "#IF FALSE", eol,
tp "#IF FALSE", eol, ti "abc", tp "#ELSE", eol, ti "def", tp "#ENDIF", eol,
tp "#ELSE", eol,
ti "ghi",
tp "#ENDIF", eol] [ti "ghi"]
, testPP 1150 [tp "#IF FALSE", eol,
tp "#IF TRUE", eol, ti "abc", tp "#ELSE", eol, ti "def", tp "#ENDIF", eol,
tp "#ELSE", eol,
ti "ghi",
tp "#ENDIF", eol] [ti "ghi"]
, testPP 1160 [tp "#IF TRUE", eol,
tp "#IF FALSE", eol, ti "abc", tp "#ELSE", eol, ti "def", tp "#ENDIF", eol,
tp "#ELSE", eol,
ti "ghi",
tp "#ENDIF", eol] [ti "def"]
, testPP 1170 [tp "#IF TRUE", eol,
tp "#IF TRUE", eol, ti "abc", tp "#ELSE", eol, ti "def", tp "#ENDIF", eol,
tp "#ELSE", eol,
ti "ghi",
tp "#ENDIF", eol] [ti "abc"]
-- Expressions
, testPPCond 1200 "FALSE AND FALSE" False
, testPPCond 1210 "FALSE AND TRUE" False
, testPPCond 1220 "TRUE AND FALSE" False
, testPPCond 1230 "TRUE AND TRUE" True
, testPPCond 1240 "FALSE OR FALSE" False
, testPPCond 1250 "FALSE OR TRUE" True
, testPPCond 1260 "NOT FALSE" True
, testPPCond 1270 "NOT TRUE" False
, testPPCond 1280 "(TRUE AND FALSE) OR (FALSE AND TRUE)" False
, testPPCond 1290 "(TRUE OR FALSE) AND (FALSE OR TRUE)" True
, testPPCond 1300 "NOT (FALSE AND TRUE)" True
, testPPCond 1310 "3 < 4" True
, testPPCond 1320 "3 > 4" False
, testPPCond 1330 "3 <> 4" True
, testPPCond 1340 "3 = 4" False
, testPPCond 1350 "4 <= 4" True
, testPPCond 1360 "3 <= 4" True
, testPPCond 1370 "4 >= 4" True
, testPPCond 1380 "5 >= 4" True
, testPPCond 1390 "\"foo\" = \"foo\"" True
, testPPCond 1400 "\"foo\" <> \"foo\"" False
, testPPCond 1410 "\"foo\" = \"bar\"" False
, testPPCond 1420 "\"foo\" <> \"bar\"" True
, testPPCond 1430 "((3 > 4) OR (42 = 24)) AND (1 <= 2)" False
-- Invalid conditionals
, testPPFail 1900 [tp "#IF you can keep your head when all about you...", eol]
, testPPFail 1910 [tp "#IF TRUE", eol]
, testPPFail 1920 [tp "#IF TRUE love comes but once in a lifetime...", eol]
, testPPFail 1930 [tp "#IF TRUE", eol, tp "#IF FALSE", eol, tp "#ENDIF", eol]
, testPPFail 1940 [tp "#IF (TRUE", eol, tp "#ENDIF", eol]
, testPPFail 1950 [tp "#ELSE", eol]
, testPPFail 1960 [tp "#ENDIF", eol]
, testPPFail 1970 [tp "#IF 3 = \"foo\"", eol, tp "#ENDIF", eol]
, testPPFail 1980 [tp "#IF \"foo\" > \"bar\"", eol, tp "#ENDIF", eol]
]
where
ti = TokIdentifier
tp = TokPreprocessor
eol = EndOfLine
--}}}
--{{{ 2xxx #DEFINE/#UNDEF/##
testDefine :: Test
testDefine = TestLabel "testDefine" $ TestList
-- Basic defining
[ testPP 2000 [tp "#DEFINE FOO", eol] []
, testPP 2010 [tp "#DEFINE FOO \"bar\"", eol] []
, testPP 2020 [tp "#DEFINE FOO 42", eol] []
, testPP 2030 [tp "#UNDEF BAR", eol] []
, testPP 2040 [tp "#DEFINE FOO", eol, tp "#UNDEF FOO", eol] []
-- DEFINED
, testPPCondAfter 2100 [tp "#DEFINE FOO", eol] "DEFINED (FOO)" True
, testPPCondAfter 2110 [tp "#UNDEF FOO", eol] "DEFINED (FOO)" False
, testPPCondAfter 2120 [tp "#DEFINE FOO", eol, tp "#UNDEF FOO", eol]
"DEFINED (FOO)" False
, testPPCondAfter 2130 [tp "#UNDEF FOO", eol, tp "#DEFINE FOO", eol]
"DEFINED (FOO)" True
, testPPCond 2140 "DEFINED (COMPILER.TOCK)" True
, testPPCond 2150 "NOT DEFINED (COMPILER.TOCK)" False
-- Conditions involving macros
, testPPCondAfter 2200 [tp "#DEFINE FOO 42", eol] "FOO = 42" True
, testPPCondAfter 2210 [tp "#DEFINE FOO 42", eol] "FOO <> 42" False
, testPPCondAfter 2220 [tp "#DEFINE FOO \"bar\"", eol] "FOO = \"bar\"" True
, testPPCondAfter 2230 [tp "#DEFINE FOO \"baz\"", eol] "FOO = \"bar\"" False
-- Expansion
, testPP 2600 [tp "#DEFINE FOO \"bar\"", eol, hh, ti "FOO"] [TokStringLiteral "bar"]
, testPP 2610 [tp "#DEFINE FOO 1234", eol, hh, ti "FOO"] [TokIntLiteral "1234"]
-- Invalid definitions
, testPPFail 2900 [tp "#DEFINE FOO", eol, tp "#DEFINE FOO", eol]
, testPPFail 2910 [tp "#DEFINE FOO !!*!%*!", eol]
-- Invalid expansions
, testPPFail 2950 [tp "#DEFINE FOO", eol, hh, ti "FOO"]
, testPPFail 2960 [hh, ti "FOO"]
, testPPFail 2970 [hh, hh]
]
where
tp = TokPreprocessor
ti = TokIdentifier
hh = TokReserved "##"
eol = EndOfLine
--}}}
tests :: Test
tests = TestLabel "PreprocessOccamTest" $ TestList
[ testSimple
, testIf
, testDefine
]