traxys/tree-sitter
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Refactor grammar helper functions

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This commit is contained in:
Max Brunsfeld 2014-05-01 19:58:32 -07:00
parent 2906125824
commit b9393b5c1a
8 changed files with 2571 additions and 2597 deletions
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34
examples/grammars/javascript.cc
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@ -5,14 +5,6 @@ namespace tree_sitter_examples {
using tree_sitter::Grammar;
using namespace tree_sitter::rules;
static rule_ptr delimited(std::string delimiter) {
return seq({
str(delimiter),
pattern("([^" + delimiter + "]|\\\\" + delimiter + ")+"),
str(delimiter)
});
}
extern const Grammar javascript({
{ "program", repeat(sym("statement")) },
@ -98,20 +90,20 @@ namespace tree_sitter_examples {
sym("identifier"),
in_parens(sym("expression")) }) },
{ "math_op", choice({
infix(2, "*"),
infix(2, "/"),
infix(1, "+"),
infix(1, "-") }) },
infix_op("*", "expression", 2),
infix_op("/", "expression", 2),
infix_op("+", "expression", 1),
infix_op("-", "expression", 1) }) },
{ "bool_op", choice({
infix(3, "&&"),
infix(2, "||"),
infix(2, "==="),
infix(2, "=="),
infix(2, "<="),
infix(4, "<"),
infix(2, ">="),
infix(2, ">"),
prefix(4, "!") }) },
infix_op("||", "expression", 1),
infix_op("&&", "expression", 2),
infix_op("===", "expression", 3),
infix_op("==", "expression", 3),
infix_op("<=", "expression", 3),
infix_op("<", "expression", 3),
infix_op(">=", "expression", 3),
infix_op(">", "expression", 3),
prefix_op("!", "expression", 4) }) },
{ "ternary", seq({
sym("expression"),
str("?"),