traxys/tree-sitter
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Extract public compiler API into its own header file

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This commit is contained in:
Max Brunsfeld 2014-02-16 22:13:08 -08:00
parent 0b4e1c8d0d
commit 9e2dc14182
53 changed files with 466 additions and 409 deletions
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48
src/compiler/rules/character_set.cpp
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@ -1,42 +1,16 @@
#include "rules.h"
#include "character_set.h"
#include "visitor.h"
using std::string;
using std::hash;
using std::set;
using std::pair;
using std::initializer_list;
namespace tree_sitter {
namespace rules {
const char MAX_CHAR = '\xff';
CharacterRange::CharacterRange(char value) : min(value), max(value) {}
CharacterRange::CharacterRange(char min, char max) :
min(min),
max(max)
{}
bool CharacterRange::operator==(const CharacterRange &other) const {
return min == other.min && max == other.max;
}
static const char MAX_CHAR = '\xff';
bool CharacterRange::operator<(const CharacterRange &other) const {
if (min < other.min) return true;
if (min > other.min) return false;
if (max < other.max) return true;
return false;
}
string escape_character(char input) {
switch (input) {
case '\0':
return "<EOF>";
case MAX_CHAR:
return "<MAX>";
default:
return string() + input;
}
}
int max_int(const CharacterRange &range) {
return range.max == MAX_CHAR ? 255 : (int)range.max;
}
@ -45,19 +19,9 @@ namespace tree_sitter {
return (int)range.min;
}
string CharacterRange::to_string() const {
if (min == 0 && max == MAX_CHAR)
return "<ANY>";
if (min == max)
return escape_character(min);
else
return string() + escape_character(min) + "-" + escape_character(max);
}
CharacterSet::CharacterSet() : ranges({}) {}
CharacterSet::CharacterSet(const set<CharacterRange> &ranges) : ranges(ranges) {}
CharacterSet::CharacterSet(const set<CharacterRange> &ranges, bool sign) :
ranges(sign ? ranges : CharacterSet(ranges).complement().ranges) {}
CharacterSet::CharacterSet(const initializer_list<CharacterRange> &ranges) : ranges(ranges) {}
bool CharacterSet::operator==(const Rule &rule) const {
const CharacterSet *other = dynamic_cast<const CharacterSet *>(&rule);
@ -89,7 +53,7 @@ namespace tree_sitter {
}
CharacterSet CharacterSet::complement() const {
CharacterSet result({ {0, MAX_CHAR} }, true);
CharacterSet result({ {0, MAX_CHAR} });
result.remove_set(*this);
return result;
}