Skip to content

Commit

Permalink
Test lexing remapping rules
Browse files Browse the repository at this point in the history
  • Loading branch information
@sloretz
sloretz committed Apr 12, 2018
1 parent 69f1f2a commit b408d2b
Showing 1 changed file with 152 additions and 105 deletions.
257 changes: 152 additions & 105 deletions rcl/test/rcl/test_lexer_lookahead.cpp
View file
Original file line number Diff line number Diff line change
Expand Up @@ -212,116 +212,163 @@ TEST_F(CLASSNAME(TestLexerLookaheadFixture, RMW_IMPLEMENTATION), test_expect)
EXPECT_EQ(RCL_RET_WRONG_LEXEME, ret) << rcl_get_error_string_safe();
}

#define EXPECT_LOOKAHEAD(expected_lexeme, expected_text, buffer) \
do { \
const char * lexeme_text; \
size_t lexeme_text_length; \
rcl_lexeme_t lexeme; \
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme); \
EXPECT_EQ(expected_lexeme, lexeme); \
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe(); \
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length); \
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe(); \
EXPECT_STREQ(expected_text, std::string(lexeme_text, lexeme_text_length).c_str()); \
} while (false)

TEST_F(CLASSNAME(TestLexerLookaheadFixture, RMW_IMPLEMENTATION), test_lex_long_string)
{
rcl_ret_t ret;
rcl_lexer_lookahead2_t buffer;
SCOPE_LOOKAHEAD2(buffer, ":\\1rostopic://\\2rosservice://~/\\8:=**:*foobar");
const char * lexeme_text;
size_t lexeme_text_length;
rcl_lexeme_t lexeme;

// :
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_COLON, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ(":", std::string(lexeme_text, lexeme_text_length).c_str());

// \1
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_BR1, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("\\1", std::string(lexeme_text, lexeme_text_length).c_str());

// rostopic://
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_URL_TOPIC, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("rostopic://", std::string(lexeme_text, lexeme_text_length).c_str());

// \2
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_BR2, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("\\2", std::string(lexeme_text, lexeme_text_length).c_str());

// rosservice://
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_URL_SERVICE, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("rosservice://", std::string(lexeme_text, lexeme_text_length).c_str());

// ~/
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_TILDE_SLASH, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("~/", std::string(lexeme_text, lexeme_text_length).c_str());

// \8
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_BR8, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("\\8", std::string(lexeme_text, lexeme_text_length).c_str());

// :=
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_SEPARATOR, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ(":=", std::string(lexeme_text, lexeme_text_length).c_str());

// **
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_WILD_MULTI, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("**", std::string(lexeme_text, lexeme_text_length).c_str());

// :
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_COLON, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ(":", std::string(lexeme_text, lexeme_text_length).c_str());

// *
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_WILD_ONE, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("*", std::string(lexeme_text, lexeme_text_length).c_str());

// foobar
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_TOKEN, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("foobar", std::string(lexeme_text, lexeme_text_length).c_str());
EXPECT_LOOKAHEAD(RCL_LEXEME_COLON, ":", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_BR1, "\\1", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_URL_TOPIC, "rostopic://", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_BR2, "\\2", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_URL_SERVICE, "rosservice://", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TILDE_SLASH, "~/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_BR8, "\\8", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_WILD_MULTI, "**", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_COLON, ":", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_WILD_ONE, "*", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foobar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}

// eof
ret = rcl_lexer_lookahead2_peek(&buffer, &lexeme);
EXPECT_EQ(RCL_LEXEME_EOF, lexeme);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
ret = rcl_lexer_lookahead2_accept(&buffer, &lexeme_text, &lexeme_text_length);
ASSERT_EQ(RCL_RET_OK, ret) << rcl_get_error_string_safe();
EXPECT_STREQ("", std::string(lexeme_text, lexeme_text_length).c_str());
TEST_F(CLASSNAME(TestLexerLookaheadFixture, RMW_IMPLEMENTATION), test_lex_remap_rules)
{
rcl_ret_t ret;
rcl_lexer_lookahead2_t buffer;
{
SCOPE_LOOKAHEAD2(buffer, "foo:=bar");
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
SCOPE_LOOKAHEAD2(buffer, "/foo/bar:=fiz/buzz");
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "fiz", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "buzz", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Nodename prefix
SCOPE_LOOKAHEAD2(buffer, "nodename:~/foo:=foo");
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "nodename", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_COLON, ":", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TILDE_SLASH, "~/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Partial namespace replacement
SCOPE_LOOKAHEAD2(buffer, "/foo/**:=/fizz/\\1");
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_WILD_MULTI, "**", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "fizz", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_BR1, "\\1", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Full namespace replacement
SCOPE_LOOKAHEAD2(buffer, "/foo/bar/*:=/bar/foo/\\1");
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_WILD_ONE, "*", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_BR1, "\\1", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Change a base name
SCOPE_LOOKAHEAD2(buffer, "**/foo:=\\1/bar");
EXPECT_LOOKAHEAD(RCL_LEXEME_WILD_MULTI, "**", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_BR1, "\\1", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Change namespace
SCOPE_LOOKAHEAD2(buffer, "__ns:=/new/namespace");
EXPECT_LOOKAHEAD(RCL_LEXEME_NS, "__ns", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "new", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "namespace", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Change node name
SCOPE_LOOKAHEAD2(buffer, "__node:=left_camera_driver");
EXPECT_LOOKAHEAD(RCL_LEXEME_NODE, "__node", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "left_camera_driver", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Topic only remap
SCOPE_LOOKAHEAD2(buffer, "rostopic://foo/bar:=bar/foo");
EXPECT_LOOKAHEAD(RCL_LEXEME_URL_TOPIC, "rostopic://", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
{
// Service only remap
SCOPE_LOOKAHEAD2(buffer, "rosservice:///foo/bar:=/bar/foo");
EXPECT_LOOKAHEAD(RCL_LEXEME_URL_SERVICE, "rosservice://", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_SEPARATOR, ":=", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "bar", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_FORWARD_SLASH, "/", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_TOKEN, "foo", buffer);
EXPECT_LOOKAHEAD(RCL_LEXEME_EOF, "", buffer);
}
}

0 comments on commit b408d2b

Please sign in to comment.