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(define-module (test cpp lex2)
:use-module (srfi srfi-64)
:use-module (srfi srfi-88)
:use-module (ice-9 peg)
:use-module (c lex2))
(test-equal "Integer literal"
'(preprocessing-token (pp-number "10"))
(lex "10"))
(test-equal "String literal"
'(preprocessing-token (string-literal "Hello"))
(lex "\"Hello\""))
(test-equal "Mulitple tokens, including whitespace"
'((whitespace " ")
(preprocessing-token (pp-number "10"))
(whitespace " "))
(lex " 10 "))
(test-equal "Char literal"
'(preprocessing-token (character-constant "a"))
(lex "'a'"))
(test-equal "Comment inside string"
'(preprocessing-token (string-literal "Hel/*lo"))
(lex "\"Hel/*lo\""))
(test-equal "#define line"
'((preprocessing-token (punctuator "#"))
(preprocessing-token (identifier "define"))
(whitespace " ")
(preprocessing-token (identifier "f"))
(preprocessing-token (punctuator "("))
(preprocessing-token (identifier "x"))
(preprocessing-token (punctuator ")"))
(whitespace " ")
(preprocessing-token (pp-number "10")))
(lex "#define f(x) 10"))
(test-equal "Nested parenthesis"
'((preprocessing-token (identifier "f"))
(preprocessing-token (punctuator "("))
(preprocessing-token (pp-number "1"))
(preprocessing-token (punctuator ","))
(whitespace " ")
(preprocessing-token (punctuator "("))
(preprocessing-token (pp-number "2"))
(preprocessing-token (punctuator ","))
(whitespace " ")
(preprocessing-token (pp-number "3"))
(preprocessing-token (punctuator ")"))
(preprocessing-token (punctuator ","))
(whitespace " ")
(preprocessing-token (pp-number "4"))
(preprocessing-token (punctuator ")")))
(lex "f(1, (2, 3), 4)"))
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