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Move away from class level statics

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- Avoiding potential issues with linking and multiple symbol definitions
This commit is contained in:
Jason Turner 2016-12-01 15:20:48 -07:00
parent 5f402e71dd
commit 9e17514b57
1 changed files with 51 additions and 29 deletions
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80
include/chaiscript/language/chaiscript_parser.hpp
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@ -226,18 +226,45 @@ namespace chaiscript
return operators; return operators;
} }
static constexpr const char m_multiline_comment_begin[] = "/*"; static const std::pair<const char *, size_t> &multiline_comment_end()
static constexpr const char m_multiline_comment_end[] = "*/"; {
static constexpr const char m_singleline_comment[] = "//"; static const char str[] = "*/";
static constexpr const char m_annotation[] = "#"; static const size_t len = sizeof(str) - 1;
static constexpr const char m_cr_lf[] = "\r\n"; static const std::pair<const char *, size_t> p(str, len);
enum { return p;
m_multiline_comment_begin_len = sizeof(m_multiline_comment_begin)-1 }
,m_multiline_comment_end_len = sizeof(m_multiline_comment_end)-1
,m_singleline_comment_len = sizeof(m_singleline_comment)-1 static const std::pair<const char *, size_t> &multiline_comment_begin()
,m_annotation_len = sizeof(m_annotation)-1 {
,m_cr_lf_len = sizeof(m_cr_lf)-1 static const char str[] = "/*";
}; static const size_t len = sizeof(str) - 1;
static const std::pair<const char *, size_t> p(str, len);
return p;
}
static const std::pair<const char *, size_t> &singleline_comment()
{
static const char str[] = "//";
static const size_t len = sizeof(str) - 1;
static const std::pair<const char *, size_t> p(str, len);
return p;
}
static const std::pair<const char *, size_t> &annotation()
{
static const char str[] = "#";
static const size_t len = sizeof(str) - 1;
static const std::pair<const char *, size_t> p(str, len);
return p;
}
static const std::pair<const char *, size_t> &cr_lf()
{
static const char str[] = "\r\n";
static const size_t len = sizeof(str) - 1;
static const std::pair<const char *, size_t> p(str, len);
return p;
}
const std::array<std::array<bool, detail::lengthof_alphabet>, detail::max_alphabet> &m_alphabet = create_alphabet(); const std::array<std::array<bool, detail::lengthof_alphabet>, detail::max_alphabet> &m_alphabet = create_alphabet();
const std::vector<std::vector<std::string>> &m_operator_matches = create_operator_matches(); const std::vector<std::vector<std::string>> &m_operator_matches = create_operator_matches();
@ -453,20 +480,25 @@ namespace chaiscript
return false; return false;
} }
inline bool Symbol_(const std::pair<const char *, size_t> &sym)
{
return Symbol_(sym.first, sym.second);
}
/// Skips any multi-line or single-line comment /// Skips any multi-line or single-line comment
bool SkipComment() { bool SkipComment() {
if (Symbol_(m_multiline_comment_begin, m_multiline_comment_begin_len)) { if (Symbol_(multiline_comment_begin())) {
while (m_position.has_more()) { while (m_position.has_more()) {
if (Symbol_(m_multiline_comment_end, m_multiline_comment_end_len)) { if (Symbol_(multiline_comment_end())) {
break; break;
} else if (!Eol_()) { } else if (!Eol_()) {
++m_position; ++m_position;
} }
} }
return true; return true;
} else if (Symbol_(m_singleline_comment, m_singleline_comment_len)) { } else if (Symbol_(singleline_comment())) {
while (m_position.has_more()) { while (m_position.has_more()) {
if (Symbol_(m_cr_lf, m_cr_lf_len)) { if (Symbol_(cr_lf())) {
m_position -= 2; m_position -= 2;
break; break;
} else if (Char_('\n')) { } else if (Char_('\n')) {
@ -477,9 +509,9 @@ namespace chaiscript
} }
} }
return true; return true;
} else if (Symbol_(m_annotation, m_annotation_len)) { } else if (Symbol_(annotation())) {
while (m_position.has_more()) { while (m_position.has_more()) {
if (Symbol_(m_cr_lf, m_cr_lf_len)) { if (Symbol_(cr_lf())) {
m_position -= 2; m_position -= 2;
break; break;
} else if (Char_('\n')) { } else if (Char_('\n')) {
@ -1391,7 +1423,7 @@ namespace chaiscript
bool Eol_(const bool t_eos = false) { bool Eol_(const bool t_eos = false) {
bool retval = false; bool retval = false;
if (m_position.has_more() && (Symbol_(m_cr_lf, m_cr_lf_len) || Char_('\n'))) { if (m_position.has_more() && (Symbol_(cr_lf()) || Char_('\n'))) {
retval = true; retval = true;
//++m_position.line; //++m_position.line;
m_position.col = 1; m_position.col = 1;
@ -2532,16 +2564,6 @@ namespace chaiscript
return m_match_stack.front(); return m_match_stack.front();
} }
}; };
template<typename Tracer, typename Optimizer>
constexpr const char ChaiScript_Parser<Tracer, Optimizer>::m_multiline_comment_begin[];
template<typename Tracer, typename Optimizer>
constexpr const char ChaiScript_Parser<Tracer, Optimizer>::m_multiline_comment_end[];
template<typename Tracer, typename Optimizer>
constexpr const char ChaiScript_Parser<Tracer, Optimizer>::m_singleline_comment[];
template<typename Tracer, typename Optimizer>
constexpr const char ChaiScript_Parser<Tracer, Optimizer>::m_annotation[];
template<typename Tracer, typename Optimizer>
constexpr const char ChaiScript_Parser<Tracer, Optimizer>::m_cr_lf[];
} }
} }