summaryrefslogtreecommitdiff
path: root/tests/llex.js
diff options
context:
space:
mode:
authorBenoit Giannangeli <giann@users.noreply.github.com>2017-03-01 11:54:57 +0100
committerBenoit Giannangeli <benoit.giannangeli@boursorama.fr>2017-03-01 12:19:22 +0100
commit166b951b9d05eff654ef664124f17c8a37f418a6 (patch)
treea783d5f05cd640d06065c514b87bc7cf74f5e506 /tests/llex.js
parent94a301a27a8a75c4684790a99a898262b8354f68 (diff)
parent444182dbbb18f44cf7cafc378f092c28006be365 (diff)
downloadfengari-166b951b9d05eff654ef664124f17c8a37f418a6.tar.gz
fengari-166b951b9d05eff654ef664124f17c8a37f418a6.tar.bz2
fengari-166b951b9d05eff654ef664124f17c8a37f418a6.zip
Merge pull request #2 from giann/feature/lex-parse
Lexing & Parsing
Diffstat (limited to 'tests/llex.js')
-rw-r--r--tests/llex.js97
1 files changed, 97 insertions, 0 deletions
diff --git a/tests/llex.js b/tests/llex.js
new file mode 100644
index 0000000..8b69acc
--- /dev/null
+++ b/tests/llex.js
@@ -0,0 +1,97 @@
+"use strict";
+
+const test = require('tape');
+const beautify = require('js-beautify').js_beautify;
+
+const tests = require("./tests.js");
+
+const lapi = require("../src/lapi.js");
+const lauxlib = require("../src/lauxlib.js");
+const llex = require("../src/llex.js");
+const lua = require('../src/lua.js');
+const R = llex.RESERVED;
+
+
+test('basic lexing: TK_RETURN, TK_STRING', function (t) {
+ let luaCode = `
+ return "hello lex !"
+ `, L;
+
+ t.plan(2);
+
+ let readTokens = [];
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ let ls = new llex.LexState();
+ llex.luaX_setinput(L, ls, new llex.MBuffer(luaCode), luaCode, luaCode.charAt(0));
+
+ llex.luaX_next(ls);
+
+ while (ls.t.token !== R.TK_EOS) {
+ // console.log(llex.luaX_tokens[ls.t.token - llex.FIRST_RESERVED]);
+
+ readTokens.push(ls.t.token);
+ llex.luaX_next(ls);
+ }
+
+
+ }, "JS Lua program ran without error");
+
+ t.deepEqual(
+ readTokens,
+ [R.TK_RETURN, R.TK_STRING],
+ "Correct tokens found"
+ );
+
+});
+
+
+test('TK_LOCAL, TK_NAME, TK_INT', function (t) {
+ let luaCode = `
+ local f = testing(aBunch)
+ return "of"
+ end
+
+ return f("things") + 12
+ `, L;
+
+ t.plan(2);
+
+ let readTokens = [];
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ let ls = new llex.LexState();
+ llex.luaX_setinput(L, ls, new llex.MBuffer(luaCode), luaCode, luaCode.charAt(0));
+
+ llex.luaX_next(ls);
+
+ while (ls.t.token !== R.TK_EOS) {
+ // console.log(ls.t.token >= llex.FIRST_RESERVED ?
+ // llex.luaX_tokens[ls.t.token - llex.FIRST_RESERVED]
+ // : ls.t.token);
+
+ readTokens.push(ls.t.token);
+ llex.luaX_next(ls);
+ }
+
+
+ }, "JS Lua program ran without error");
+
+ t.deepEqual(
+ readTokens,
+ [
+ R.TK_LOCAL, R.TK_NAME, '=', R.TK_NAME, '(', R.TK_NAME, ')',
+ R.TK_RETURN, R.TK_STRING,
+ R.TK_END,
+ R.TK_RETURN, R.TK_NAME, '(', R.TK_STRING, ')', '+', R.TK_INT
+ ],
+ "Correct tokens found"
+ );
+
+}); \ No newline at end of file