--- /dev/null
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Copyright 2014 Johan Kayser <kayser.johan@gmail.com>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# A version of the naive Nit interpreter for PNaCl.
+module pnacl_nit
+
+import naive_interpreter
+import debugger
+import pnacl
+intrude import toolcontext
+intrude import modelbuilder
+intrude import standard::file
+
+redef interface Object
+ # We redefine exit to start a new thread before killing the one that called exit.
+ redef fun exit(exit_value: Int)
+ do
+ var dictionary = new PepperDictionary
+ dictionary["exit"] = exit_value
+ dictionary["exit_thread"] = "A new thread has been made available for Nit."
+ create_thread
+ app.post_dictionary dictionary
+ exit_thread exit_value
+ end
+end
+
+#hack realpath.
+redef class String
+ redef fun realpath do return self
+
+ # file_exists looks in the 'files' HashMap.
+ redef fun file_exists: Bool
+ do
+ if sys.files.has_key(self) then return true
+ return false
+ end
+end
+
+redef class Sys
+ # We add two HashMap for temporary file storage.
+ # 'lib' stores the lib files.
+ var lib = new HashMap[String, String]
+ # 'files' stores the "file(s)" you want to interpret + the lib files.
+ var files = new HashMap[String, String]
+end
+
+redef class ToolContext
+ # We don't need 'the compute_nit_dir'.
+ redef fun compute_nit_dir: nullable String
+ do
+ return "/pnacl"
+ end
+end
+
+# We have to redef some IFStream methods because we don't use NativeFiles anymore.
+redef class IFStream
+
+ # Looks in the 'files' HashMap.
+ redef init open(path: String)
+ do
+ self.path = path
+ var file = sys.files[path]
+ prepare_buffer(file.length)
+ _buffer.append(file)
+ end
+
+ redef fun close
+ do
+ end_reached = true
+ end
+
+ redef fun fill_buffer
+ do
+ _buffer.clear
+ end_reached = true
+ end
+
+ redef fun reopen
+ do
+ _buffer_pos = 0
+ end
+end
+
+redef class ModelBuilder
+ # We don't use paths as the interpreter, so just return the argument.
+ redef fun module_absolute_path(path: String): String do return path
+
+ # We don't use paths as the interpreter, so we don't use location or lookpaths args (see the default implementation).
+ redef fun search_module_in_paths(location: nullable Location, name: String, lookpaths: Collection[String]): nullable ModulePath
+ do
+ var candidate: nullable String = null
+ var try_file = "{name}.nit"
+ if try_file.file_exists then
+ if candidate == null then
+ candidate = try_file
+ else if candidate != try_file then
+ # try to disambiguate conflicting modules
+ var abs_candidate = module_absolute_path(candidate)
+ var abs_try_file = module_absolute_path(try_file)
+ if abs_candidate != abs_try_file then
+ toolcontext.error(location, "Error: conflicting module file for {name}: {candidate} {try_file}")
+ end
+ end
+ end
+ if candidate == null then return null
+ return identify_file(candidate)
+ end
+end
+
+class Pnacl_nit
+ super PnaclApp
+
+ # In handle_dictionary we search for the 'operation' key in dictionaries,
+ # 'load' means that we are loading the Nit library,
+ # 'interpret' launches the interpreter code.
+ redef fun handle_dictionary(dictionary: PepperDictionary)
+ do
+ var d = dictionary.copy
+ var operation = d["operation"]
+
+ # If operation = 'intepret' we want to interpret some Nit code, so we execute the same code as in nit.nit.
+ if operation == "interpret" then
+ var args = d["args"].to_s.split(' ')
+ # Create a tool context to handle options and paths
+ var toolcontext = new ToolContext
+ toolcontext.tooldescription = "Usage: nit [OPTION]... <file.nit>...\nInterprets and debbugs Nit programs."
+ # Add an option "-o" to enable compatibilit with the tests.sh script
+ var opt = new OptionString("compatibility (does noting)", "-o")
+ toolcontext.option_context.add_option(opt)
+ var opt_mixins = new OptionArray("Additionals module to min-in", "-m")
+ toolcontext.option_context.add_option(opt_mixins)
+ # We do not add other options, so process them now!
+ toolcontext.process_options(args)
+
+ # We need a model to collect stufs
+ var model = new Model
+ # An a model builder to parse files
+ var modelbuilder = new ModelBuilder(model, toolcontext.as(not null))
+
+ var arguments = toolcontext.option_context.rest
+ var progname = arguments.first
+ sys.files[progname] = d["content"].to_s
+
+ # Here we load an process all modules passed on the command line
+ var mmodules = modelbuilder.parse([progname])
+ mmodules.add_all modelbuilder.parse(opt_mixins.value)
+ modelbuilder.run_phases
+
+ if toolcontext.opt_only_metamodel.value then exit(0)
+
+ var mainmodule: nullable MModule
+
+ # Here we launch the interpreter on the main module
+ if mmodules.length == 1 then
+ mainmodule = mmodules.first
+ else
+ mainmodule = new MModule(model, null, mmodules.first.name, mmodules.first.location)
+ mainmodule.set_imported_mmodules(mmodules)
+ end
+
+ var self_mm = mainmodule.as(not null)
+ var self_args = arguments.as(not null)
+
+ if toolcontext.opt_debugger_autorun.value then
+ modelbuilder.run_debugger_autorun(self_mm, self_args)
+ else if toolcontext.opt_debugger_mode.value then
+ modelbuilder.run_debugger(self_mm, self_args)
+ else
+ modelbuilder.run_naive_interpreter(self_mm, self_args)
+ end
+ # If operation = 'load', we are loading lib files, so we store them into HashMaps and send a response to JS.
+ else if operation == "load" then
+ var filename = d["filename"]
+ var content = d["content"]
+ if filename isa String and content isa String then
+ sys.lib[filename] = content
+ sys.files[filename] = content
+ end
+ var response = new PepperDictionary
+ response["operation"] = "load_response"
+ response["files_number"] = sys.lib.length.to_s
+ post_dictionary response
+ end
+ end
+end
+
+redef fun app do return once new Pnacl_nit
+app.initialize # Needed to correctly set up Nit control over the Pepper API.
+app.run # Wait for dictionaries.
--- /dev/null
+define(function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+// defines the parent mode
+var TextMode = require("./text").Mode;
+var Tokenizer = require("../tokenizer").Tokenizer;
+var MatchingBraceOutdent = require("./matching_brace_outdent").MatchingBraceOutdent;
+var CstyleBehaviour = require("./behaviour/cstyle").CstyleBehaviour;
+
+// defines the language specific highlighters and folding rules
+var NitHighlightRules = require("./nit_highlight_rules").NitHighlightRules;
+//var NitFoldMode = require("./folding/nit").NitFoldMode;
+
+var Mode = function() {
+ // set everything up
+ this.HighlightRules = NitHighlightRules;
+ this.$outdent = new MatchingBraceOutdent();
+ this.$behaviour = new CstyleBehaviour();
+ //this.foldingRules = new NitFoldMode();
+};
+oop.inherits(Mode, TextMode);
+
+(function() {
+ // configure comment start/end characters
+ this.lineCommentStart = "#";
+ //this.blockComment = {start: "/*", end: "*/"};
+
+ // special logic for indent/outdent.
+ // By default ace keeps indentation of previous line
+ this.getNextLineIndent = function(state, line, tab) {
+ var indent = this.$getIndent(line);
+
+ var tokenizedLine = this.getTokenizer().getLineTokens(line, state);
+ var tokens = tokenizedLine.tokens;
+
+ if (tokens.length && tokens[tokens.length-1].type == "comment") {
+ return indent;
+ }
+
+ if (state == "start") {
+ //var match = line.match(/^.*[\{\(\[]\s*$/);
+ var match = line.match(/(^class| class | if | else | else|do$)/);
+ if (match) {
+ indent += tab + tab;
+ }
+ }
+ return indent;
+ };
+ this.checkOutdent = function(state, line, input) {
+ return this.$outdent.checkOutdent(line, input);
+ };
+ this.autoOutdent = function(state, doc, row) {
+ this.$outdent.autoOutdent(doc, row);
+ };
+
+ // create worker for live syntax checking
+ this.createWorker = function(session) {
+ /*var worker = new WorkerClient(["ace"], "ace/mode/nit_worker", "NitWorker");
+ worker.attachToDocument(session.getDocument());
+ worker.on("errors", function(e) {
+ session.setAnnotations(e.data);
+ });
+ return worker;*/
+ return null;
+ };
+
+ this.$id = "ace/mode/nit";
+}).call(Mode.prototype);
+
+exports.Mode = Mode;
+});
--- /dev/null
+define(function(require, exports, module) {
+"use strict";
+
+var oop = require("../lib/oop");
+var DocCommentHighlightRules = require("./doc_comment_highlight_rules").DocCommentHighlightRules;
+var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
+
+var NitHighlightRules = function() {
+
+ var keywords = (
+ "package|module|import|class|abstract|interface|universal|enum|end|fun|" +
+ "type|init|redef|is|do|readable|writable|var|intern|extern|protected|private|" +
+ "intrude|if|then|else|while|loop|for|in|and|or|not|implies|return|continue|" +
+ "break|abort|assert|new|isa|once|super|self|true|false|null|as|nullable|isset|label|__debug__"
+ );
+
+ var keywordMapper = this.createKeywordMapper({
+ "keyword": keywords,
+ "variable.language": "self",
+ "constant.language": "null|true|false"
+ }, "identifier");
+
+ // regexp must not have capturing parentheses. Use (?:) instead.
+ // regexps are ordered -> the first match is used
+ this.$rules = {
+ "start" : [
+ {
+ token : "comment",
+ regex : "#.*$"
+ },
+ {
+ token : "support.class",
+ regex : /[A-Z]{1}[a-z]+/
+ },
+ DocCommentHighlightRules.getStartRule("doc-start"),
+ {
+ token : "string.regexp",
+ regex : "[/](?:(?:\\[(?:\\\\]|[^\\]])+\\])|(?:\\\\/|[^\\]/]))*[/]\\w*\\s*(?=[).,;]|$)"
+ }, {
+ token : "string", // character
+ regex : /'(?:.|\\(:?u[\da-fA-F]+|x[\da-fA-F]+|[tbrf'"n]))'/
+ }, {
+ token : "string", start : '"', end : '"|$', next: [
+ {token: "constant.language.escape", regex: /\\(:?u[\da-fA-F]+|x[\da-fA-F]+|[tbrf'"n])/},
+ {token: "invalid", regex: /\\./}
+ ]
+ }, {
+ token : "string", start : '@"', end : '"', next:[
+ {token: "constant.language.escape", regex: '""'}
+ ]
+ }, {
+ token : "constant.numeric", // hex
+ regex : "0[xX][0-9a-fA-F]+\\b"
+ }, {
+ token : "constant.numeric", // float
+ regex : "[+-]?\\d+(?:(?:\\.\\d*)?(?:[eE][+-]?\\d+)?)?\\b"
+ }, {
+ token : "constant.language.boolean",
+ regex : "(?:true|false)\\b"
+ }, {
+ token : keywordMapper,
+ regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
+ }, {
+ token : "keyword.operator",
+ regex : "@|!|\\$|%|&|\\*|\\-\\-|\\-|\\+\\+|\\+|~|===|==|=|!=|!==|<=|>=|<<=|>>=|>>>=|<>|<|>|!|&&|\\|\\||\\?\\:|\\::|\\*=|%=|\\+=|\\-=|&=|\\^=|\\b(?:in|instanceof|new|delete|typeof|void)"
+ }, {
+ token : "keyword",
+ regex : "^\\s*#(if|else|elif|endif|define|undef|warning|error|line|region|endregion|pragma)"
+ }, {
+ token : "punctuation.operator",
+ regex : "\\?|\\:|\\,|\\;|\\."
+ }, {
+ token : "paren.lparen",
+ regex : "[[({]"
+ }, {
+ token : "paren.rparen",
+ regex : "[\\])}]"
+ }, {
+ token : "text",
+ regex : "\\s+"
+ }
+ ]
+ };
+ this.embedRules(DocCommentHighlightRules, "doc-",
+ [ DocCommentHighlightRules.getEndRule("start") ]);
+ this.normalizeRules();
+};
+
+oop.inherits(NitHighlightRules, TextHighlightRules);
+
+exports.NitHighlightRules = NitHighlightRules;
+
+});
nitlanguage / nit.git / commitdiff