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Code Issues Releases Wiki Activity

Add triple quotes asms (#463)

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* Add python-like triple quotes for multiline strings

* Add test for multiline asm

* Allow asm definition duplicate

* Asm duplicate: add test & fixes

* Fix multiline asm

* Fix asm duplicate

Co-authored-by: legaii <jgates.ardux@gmail.com>
This commit is contained in:
EmelyanenkoK 2022-09-22 16:54:26 +03:00 • committed by GitHub
parent e913871f4f
commit d23267d996
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
6 changed files with 123 additions and 13 deletions
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49
crypto/parser/lexer.cpp
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@ -125,8 +125,9 @@ int Lexem::set(std::string _str, const SrcLocation& _loc, int _tp, int _val) {
}
Lexer::Lexer(SourceReader& _src, bool init, std::string active_chars, std::string eol_cmts, std::string open_cmts,
std::string close_cmts, std::string quote_chars)
: src(_src), eof(false), lexem("", src.here(), Lexem::Undefined), peek_lexem("", {}, Lexem::Undefined) {
std::string close_cmts, std::string quote_chars, std::string multiline_quote)
: src(_src), eof(false), lexem("", src.here(), Lexem::Undefined), peek_lexem("", {}, Lexem::Undefined),
multiline_quote(std::move(multiline_quote)) {
std::memset(char_class, 0, sizeof(char_class));
unsigned char activity = cc::active;
for (char c : active_chars) {
@ -171,6 +172,19 @@ void Lexer::set_spec(std::array<int, 3>& arr, std::string setup) {
}
}
bool Lexer::is_multiline_quote(const char* begin, const char* end) {
if (multiline_quote.empty()) {
return false;
}
for (const char& c : multiline_quote) {
if (begin == end || *begin != c) {
return false;
}
++begin;
}
return true;
}
void Lexer::expect(int exp_tp, const char* msg) {
if (tp() != exp_tp) {
throw ParseError{lexem.loc, (msg ? std::string{msg} : Lexem::lexem_name_str(exp_tp)) + " expected instead of " +
@ -234,6 +248,37 @@ const Lexem& Lexer::next() {
}
return lexem.clear(src.here(), Lexem::Eof);
}
if (is_multiline_quote(src.get_ptr(), src.get_end_ptr())) {
src.advance(multiline_quote.size());
const char* begin = src.get_ptr();
const char* end = nullptr;
SrcLocation here = src.here();
std::string body;
while (!src.is_eof()) {
if (src.is_eoln()) {
body.push_back('\n');
src.load_line();
continue;
}
if (is_multiline_quote(src.get_ptr(), src.get_end_ptr())) {
end = src.get_ptr();
src.advance(multiline_quote.size());
break;
}
body.push_back(src.cur_char());
src.advance(1);
}
if (!end) {
src.error("string extends past end of file");
}
lexem.set(body, here, Lexem::String);
int c = src.cur_char();
if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
lexem.val = c;
src.advance(1);
}
return lexem;
}
int c = src.cur_char();
const char* end = src.get_ptr();
if (is_quote_char(c) || c == '`') {