diff options
Diffstat (limited to 'src/piraha/ILiteral.cc')
-rw-r--r-- | src/piraha/ILiteral.cc | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/piraha/ILiteral.cc b/src/piraha/ILiteral.cc new file mode 100644 index 00000000..f56d4414 --- /dev/null +++ b/src/piraha/ILiteral.cc @@ -0,0 +1,22 @@ +#include "Piraha.hpp" + +ILiteral::ILiteral(char b) : lc(lc_(b)), uc(uc_(b)) {} + +bool ILiteral::match(Matcher *m) { + if(m->pos >= (int)m->input_size ) + return false; + char c = m->input[m->pos]; + if(c == uc || c == lc) { + m->max_pos = std::max(m->pos,m->max_pos); + m->pos++; + return true; + } else { + if(m->pos == m->max_pos+1) { + Bracket bex; + bex.addRange(lc,lc); + bex.addRange(uc,uc); + m->fail(&bex); + } + return false; + } +} |