traxys/tree-sitter
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Add golang example grammar

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Also, support '\a' character class shorthand in regexes,
for alphabetical characters
This commit is contained in:
Max Brunsfeld 2014-03-29 16:29:34 -07:00
parent 13c4e6e648
commit 7adb0bf34f
10 changed files with 4044 additions and 1015 deletions
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6
src/compiler/rules/pattern.cc
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@ -133,10 +133,12 @@ namespace tree_sitter {
case '(':
case ')':
return CharacterSet({ value });
case 'a':
return CharacterSet({ {'a', 'z'}, {'A', 'Z'} });
case 'w':
return CharacterSet({{'a', 'z'}, {'A', 'Z'}});
return CharacterSet({ {'a', 'z'}, {'A', 'Z'}, {'0', '9'}});
case 'd':
return CharacterSet({CharacterRange('0', '9')});
return CharacterSet({ {'0', '9'} });
default:
error = "unrecognized escape sequence";
return CharacterSet();