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Diffstat (limited to 'tests/build/lexer/driver.cxx')
-rw-r--r-- | tests/build/lexer/driver.cxx | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/tests/build/lexer/driver.cxx b/tests/build/lexer/driver.cxx deleted file mode 100644 index f77656d..0000000 --- a/tests/build/lexer/driver.cxx +++ /dev/null @@ -1,120 +0,0 @@ -// file : tests/build/lexer/driver.cxx -*- C++ -*- -// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd -// license : MIT; see accompanying LICENSE file - -#include <string> -#include <vector> -#include <cassert> -#include <sstream> -#include <iostream> - -#include <build/token> -#include <build/lexer> - -using namespace std; -using namespace build; - -typedef vector<string> tokens; - -static tokens -lex (const char*); - -int -main () -{ - ostream cnull (nullptr); - diag_stream = &cnull; - - // Whitespaces. - // - assert (lex ("") == tokens ({""})); - assert (lex ("\n") == tokens ({""})); - assert (lex ("\n\n") == tokens ({""})); - assert (lex (" \t \n") == tokens ({""})); - assert (lex ("#comment") == tokens ({""})); - assert (lex (" #comment") == tokens ({""})); - assert (lex ("#comment\n") == tokens ({""})); - assert (lex ("#comment\\\n") == tokens ({""})); - assert (lex ("#comment 1\n#comment2") == tokens ({""})); - - // Punctuation. - // - assert (lex (": \n { }") == tokens ({":", "\n", "{", "}", ""})); - - // Names. - // - assert (lex ("foo") == tokens ({"foo", ""})); - assert (lex ("foo.bar") == tokens ({"foo.bar", ""})); - - // Escaping. - // - assert (lex (" \\\n") == tokens ({""})); - assert (lex ("\\\nfoo") == tokens ({"foo", ""})); - assert (lex (" \\ foo") == tokens ({" foo", ""})); - assert (lex ("fo\\ o\\:") == tokens ({"fo o:", ""})); - assert (lex ("foo\\\nbar") == tokens ({"foo\nbar", ""})); - assert (lex ("foo \\\nbar") == tokens ({"foo", "bar", ""})); - - assert (lex (" \\") == tokens ({"<lexer error>"})); - assert (lex (" foo\\") == tokens ({"<lexer error>"})); - - // Combinations. - // - assert (lex ("foo: bar") == tokens ({"foo", ":", "bar", ""})); - assert (lex ("\n \nfoo: bar") == tokens ({"foo", ":", "bar", ""})); - assert (lex ("foo: bar\n") == tokens ({"foo", ":", "bar", "\n", ""})); - assert (lex ("foo: bar#comment") == tokens ({"foo", ":", "bar", ""})); - assert (lex ("exe{foo}: obj{bar}") == - tokens ({"exe", "{", "foo", "}", ":", "obj", "{", "bar", "}", ""})); - assert (lex ("foo: bar\nbaz: biz") == - tokens ({"foo", ":", "bar", "\n", "baz", ":", "biz", ""})); - assert (lex ("foo: bar#comment\nbaz: biz") == - tokens ({"foo", ":", "bar", "\n", "baz", ":", "biz", ""})); - assert (lex ("foo:#comment \\\nbar") == - tokens ({"foo", ":", "\n", "bar", ""})); -} - -static tokens -lex (const char* s) -{ - tokens r; - istringstream is (s); - - is.exceptions (istream::failbit | istream::badbit); - lexer l (is, ""); - - try - { - for (token t (l.next ());; t = l.next ()) - { - const char* v (nullptr); - - switch (t.type ()) - { - case token_type::eos: v= ""; break; - case token_type::newline: v = "\n"; break; - case token_type::colon: v = ":"; break; - case token_type::lcbrace: v = "{"; break; - case token_type::rcbrace: v = "}"; break; - case token_type::name: v = t.name ().c_str (); break; - } - - // cerr << t.line () << ':' << t.column () << ':' << v << endl; - - r.push_back (v); - - if (t.type () == token_type::eos) - break; - } - } - catch (const failed&) - { - r.push_back ("<lexer error>"); - } - catch (const std::ios_base::failure&) - { - r.push_back ("<io error>"); - } - - return r; -} |