static bool parse_http_version(Iterator& it, Request& request)
{
skipws(it);
bool res = expect(it, "HTTP/");
std::string major, minor;
res = res && consumeUntil(it, major, ".");
res = res && expect(it, ".");
res = res && consumeUntil(it, minor, "\r");
if (res)
{
try
{
request.major = std::stoi(major);
request.minor = std::stoi(minor);
}
catch (std::exception const& ex)
{
LOG(parser_logger, error) << "Cannot parse Major/Minor: "
<< ex.what();
return false;
}
}
return res;
}
static bool parse_headers(Iterator& it, Request& request)
{
bool res = true;
while (res)
{
std::string key;
std::string value;
res = consumeUntil(it, key, ": \r");
if (key.empty())
{
return res;
}
skipws(it);
res = res && expect(it, ":");
while (match(it, ' '))
{
}
res = res && consumeUntil(it, value, "\r");
if (res)
{
request.headers.emplace_back(std::move(key), std::move(value));
}
res = res && expect(it, HTTP_DELIMITER);
}
return false;
}
static bool parse_uri(Iterator& it, Request& request)
{
skipws(it);
consumeUntil(it, request.uri, "? ");
if (match(it, '?'))
{
do
{
std::string key;
std::string value;
bool res = consumeUntil(it, key, "&= ");
if (match(it, '=')) {
res = res && consumeUntil(it, value, "& ");
key = UTILS::url_decode(key);
value = UTILS::url_decode(value);
request.query_params.emplace_back(std::move(key), std::move(value));
}
else
{
request.query_params.emplace_back(std::move(key), "");
}
if (!res)
{
return res;
}
} while (match(it, '&'));
}
return it != EOS;
}
Token Scanner::readMethodDefinition()
{
consumeUntil(".(#", "!?");
QStringRef value = m_src.value();
if (value == "self")
return Token(Token::KeywordSelf, m_src.anchor(), m_src.length());
if (!std::strchr("!?", m_src.peek(-1).toLatin1()))
consumeUntil("(#", "!?");
return Token(Token::Method, m_src.anchor(), m_src.length());
}
bool FlowParser::importDecl(Unit* unit)
{
FNTRACE();
// 'import' NAME_OR_NAMELIST ['from' PATH] ';'
nextToken(); // skip 'import'
std::list<std::string> names;
if (!importOne(names)) {
consumeUntil(FlowToken::Semicolon);
return false;
}
while (token() == FlowToken::Comma) {
nextToken();
if (!importOne(names)) {
consumeUntil(FlowToken::Semicolon);
return false;
}
}
std::string path;
if (consumeIf(FlowToken::From)) {
path = stringValue();
if (!consumeOne(FlowToken::String, FlowToken::RawString)) {
consumeUntil(FlowToken::Semicolon);
return false;
}
if (!path.empty() && path[0] != '/') {
std::string base(lexer_->location().filename);
size_t r = base.rfind('/');
if (r != std::string::npos)
++r;
base = base.substr(0, r);
path = base + path;
}
}
for (auto i = names.begin(), e = names.end(); i != e; ++i) {
if (importHandler && !importHandler(*i, path))
return false;
unit->import(*i, path);
}
consumeIf(FlowToken::Semicolon);
return true;
}
/**
* Production:
* stmt -> 'IF_IDEN' 'PAREN_S' expr 'PAREN_E' 'BRACE_S' stmt 'BRACE_E'
*/
void ifStatement(struct Term *term, FILE *input, ProgramData *prog){
// vars
char value;
const unsigned int buf_size = 64;
char misc_buf[buf_size];
struct Term * new_term;
// The 'IF_IDEN' terminal has already been consumed, process all else
value = readNonEmptyChar(input, prog);
if(value == PAREN_S){
addChildTerm(createSingleCharTerm(PAREN_S), term);
}
else{
// produce error
}
// consume the expression until the 'PAREN_E' is found
if(consumeUntil(input, misc_buf, buf_size, PAREN_E, prog) == -1){
// produce error
}
// produce a Term for the expression, then attempt to parse it
addChildTerm(createTerm(misc_buf, buf_size), term);
// parse statement within the if-statement
// STUB
// check parsed statement
if(prog->has_error)
return; // someone beneath us failed
// add the closing parenthesis
addChildTerm(createSingleCharTerm(PAREN_S), term);
// next, consume the 'BRACE_S' identifier
value = readNonEmptyChar(input, prog);
if(value == PAREN_S){
addChildTerm(createSingleCharTerm(BRACE_S), term);
}
else{
// produce error
}
// consume the following statement
// consume the final identifier, 'BRACE_E'
}
void IOSCfgParser::certificate() {
try { // for error handling
match(CERTIFICATE);
match(WORD);
if ( inputState->guessing==0 ) {
#line 185 "iosacl.g"
consumeUntil(NEWLINE);
consumeUntil(QUIT);
#line 536 "IOSCfgParser.cpp"
}
}
catch (ANTLR_USE_NAMESPACE(antlr)RecognitionException& ex) {
if( inputState->guessing == 0 ) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw;
}
}
}
void IOSCfgParser::ip_unused_command() {
try { // for error handling
switch ( LA(1)) {
case ICMP:
{
match(ICMP);
break;
}
case TCP:
{
match(TCP);
break;
}
case HOST:
{
match(HOST);
if ( inputState->guessing==0 ) {
#line 164 "iosacl.g"
consumeUntil(NEWLINE);
#line 736 "IOSCfgParser.cpp"
}
break;
}
default:
{
throw ANTLR_USE_NAMESPACE(antlr)NoViableAltException(LT(1), getFilename());
}
}
}
catch (ANTLR_USE_NAMESPACE(antlr)RecognitionException& ex) {
if( inputState->guessing == 0 ) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw;
}
}
}
void IOSCfgParser::vlan() {
try { // for error handling
match(VLAN);
{
switch ( LA(1)) {
case WORD:
{
match(WORD);
break;
}
case INT_CONST:
{
match(INT_CONST);
break;
}
default:
{
throw ANTLR_USE_NAMESPACE(antlr)NoViableAltException(LT(1), getFilename());
}
}
}
if ( inputState->guessing==0 ) {
#line 507 "iosacl.g"
importer->setCurrentLineNumber(LT(0)->getLine());
importer->clearCurrentInterface();
consumeUntil(NEWLINE);
#line 393 "IOSCfgParser.cpp"
}
}
catch (ANTLR_USE_NAMESPACE(antlr)RecognitionException& ex) {
if( inputState->guessing == 0 ) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw;
}
}
}
void IOSCfgParser::community_list_command() {
try { // for error handling
match(COMMUNITY_LIST);
if ( inputState->guessing==0 ) {
#line 171 "iosacl.g"
consumeUntil(NEWLINE);
#line 701 "IOSCfgParser.cpp"
}
}
catch (ANTLR_USE_NAMESPACE(antlr)RecognitionException& ex) {
if( inputState->guessing == 0 ) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw;
}
}
}
void IOSCfgParser::unknown_command() {
try { // for error handling
match(WORD);
if ( inputState->guessing==0 ) {
#line 178 "iosacl.g"
consumeUntil(NEWLINE);
#line 580 "IOSCfgParser.cpp"
}
}
catch (ANTLR_USE_NAMESPACE(antlr)RecognitionException& ex) {
if( inputState->guessing == 0 ) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw;
}
}
}
int ANTLRParser::
_match_wdfltsig(ANTLRTokenType tokenWanted, SetWordType *whatFollows)
{
if ( dirty==LLk ) consume();
if ( LA(1)!=tokenWanted )
{
syntaxErrCount++; /* MR11 */
fprintf(stderr,
"line %d: syntax error at \"%s\" missing %s\n",
LT(1)->getLine(),
(LA(1)==eofToken && LT(1)->getText()[0] == '@')?"<eof>":LT(1)->getText(), /* MR21a */
token_tbl[tokenWanted]);
consumeUntil( whatFollows );
return 0;
}
else {
dirty++;
labase = (labase+1)&(LLk-1); // labase maintained even if !demand look
/* if ( !demand_look ) consume(); */
return 1;
}
}
void IOSCfgParser::controller() {
try { // for error handling
match(CONTROLLER);
if ( inputState->guessing==0 ) {
#line 517 "iosacl.g"
importer->setCurrentLineNumber(LT(0)->getLine());
importer->clearCurrentInterface();
consumeUntil(NEWLINE);
#line 351 "IOSCfgParser.cpp"
}
}
catch (ANTLR_USE_NAMESPACE(antlr)RecognitionException& ex) {
if( inputState->guessing == 0 ) {
reportError(ex);
recover(ex,_tokenSet_2);
} else {
throw;
}
}
}
