traxys/tree-sitter
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Rename source files: .cpp -> .cc

Browse source
This commit is contained in:
Max Brunsfeld 2014-03-09 22:13:08 -07:00
parent 31a58bc7e4
commit a411e43484
49 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

73
spec/compiler/build_tables/first_set_spec.cpp
View file

@ -1,73 +0,0 @@
#include "compiler_spec_helper.h"
#include "compiler/prepared_grammar.h"
#include "compiler/build_tables/first_set.h"
using std::set;
using namespace build_tables;
using namespace rules;
START_TEST
describe("computing FIRST sets", []() {
const PreparedGrammar null_grammar("", {}, {});
describe("for a sequence AB", [&]() {
it("ignores B when A cannot be blank", [&]() {
auto rule = seq({ sym("x"), sym("y") });
AssertThat(first_set(rule, null_grammar), Equals(set<Symbol>({
Symbol("x"),
})));
});
it("includes FIRST(B) when A can be blank", [&]() {
auto rule = seq({
choice({
sym("x"),
blank() }),
sym("y") });
AssertThat(first_set(rule, null_grammar), Equals(set<Symbol>({
Symbol("x"),
Symbol("y")
})));
});
it("includes FIRST(A's right hand side) when A is a non-terminal", [&]() {
auto rule = choice({
seq({
sym("A"),
sym("x"),
sym("A") }),
sym("A") });
Grammar grammar("A", {
{ "A", choice({
seq({
sym("y"),
sym("z"),
sym("y") }),
sym("y") }) }
});
AssertThat(first_set(rule, grammar), Equals(set<Symbol>({
Symbol("y")
})));
});
it("includes FIRST(B) when A is a non-terminal and its expansion can be blank", [&]() {
Grammar grammar("A", {{ "A", choice({ sym("x"), blank() }) }});
auto rule = seq({
sym("A"),
sym("y") });
AssertThat(first_set(rule, grammar), Equals(set<Symbol>({
Symbol("x"),
Symbol("y")
})));
});
});
});
END_TEST