New Grammars Compiler (#3915)

* grammars: Update several grammars with compat issues

* [WIP] Add new grammar conversion tools

* Wrap in a Docker script

* Proper Dockerfile support

* Add Javadoc grammar

* Remove NPM package.json

* Remove superfluous test

This is now always checked by the grammars compiler

* Update JSyntax grammar to new submodule

* Approve Javadoc license

* grammars: Remove checked-in dependencies

* grammars: Add regex checks to the compiler

* grammars: Point Oz to its actual submodule

* grammars: Refactor compiler to group errors by repo

* grammars: Cleanups to error reporting

tools/grammars/compiler/data.go

@@ -0,0 +1,29 @@
+package compiler
+
+var GrammarAliases = map[string]string{
+	"source.erb":         "text.html.erb",
+	"source.cpp":         "source.c++",
+	"source.less":        "source.css.less",
+	"text.html.markdown": "source.gfm",
+	"text.md":            "source.gfm",
+	"source.php":         "text.html.php",
+	"text.plain":         "",
+	"source.asciidoc":    "text.html.asciidoc",
+	"source.perl6":       "source.perl6fe",
+	"source.css.scss":    "source.scss",
+}
+
+var KnownFields = map[string]bool{
+	"comment":            true,
+	"uuid":               true,
+	"author":             true,
+	"comments":           true,
+	"macros":             true,
+	"fileTypes":          true,
+	"firstLineMatch":     true,
+	"keyEquivalent":      true,
+	"foldingStopMarker":  true,
+	"foldingStartMarker": true,
+	"foldingEndMarker":   true,
+	"limitLineLength":    true,
+}