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Parser is mostly working as a recognizer now, though the grammer2 still causes vector out of bounds. Sigh. Also, it segfaults on printing the tree, even with no null leaves. Somehow internal data from a symbol becomes null.

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Nathan Braswell
2015-08-09 04:18:31 -04:00
parent 216cf0252f
commit 2777ca10f1
4 changed files with 80 additions and 12 deletions
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4
tests/test_grammer.krak
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@@ -12,6 +12,7 @@ fun main():int {
/*var a = load_grammer(read_file(string("../krakenGrammer.kgm")))*/
/*var a = load_grammer(read_file(string("grammer.kgm")))*/
var a = load_grammer(read_file(string("grammer2.kgm")))
/*var a = load_grammer(read_file(string("grammer3.kgm")))*/
println(a.to_string())
var doFirstSet = fun() {
a.calculate_first_set()
@@ -52,6 +53,9 @@ fun main():int {
a.calculate_state_automaton()
var parse.construct(a): parser
var result = parse.parse_input(string("ad"), string("fun name"))
/*var result = parse.parse_input(string("hid"), string("fun name"))*/
println("the tree")
println(syntax_tree_to_dot(result))
/*var parse.construct(): parser*/
return 0
}