Move protocol code generators to liberty

This part of the project is now more or less stable.

1 files changed, 0 insertions, 225 deletions

diff --git a/xC-gen-proto-js.awk b/xC-gen-proto-js.awk
deleted file mode 100644
index 40b99ee..0000000
--- a/xC-gen-proto-js.awk
+++ /dev/null
@@ -1,225 +0,0 @@
-# xC-gen-proto-js.awk: Javascript backend for xC-gen-proto.awk.
-#
-# Copyright (c) 2022, Přemysl Eric Janouch <p@janouch.name>
-# SPDX-License-Identifier: 0BSD
-#
-# This backend is currently for decoding the binary format only.
-# (JSON is way too expensive to process and transfer.)
-#
-# Import the resulting script as a Javascript module.
-
-function define_internal(name) {
-	Types[name] = "internal"
-}
-
-function define_sint(size,    shortname) {
-	shortname = "i" size
-	define_internal(shortname)
-	CodegenDeserialize[shortname] = "\t%s = r." shortname "()\n"
-
-	print ""
-	print "\t" shortname "() {"
-	if (size == "64") {
-		# XXX: 2^53 - 1 must be enough for anyone.  BigInts are a PITA.
-		print "\t\tconst " shortname \
-			" = Number(this.getBigInt" size "(this.offset))"
-	} else {
-		print "\t\tconst " shortname " = this.getInt" size "(this.offset)"
-	}
-	print "\t\tthis.offset += " (size / 8)
-	print "\t\treturn " shortname
-	print "\t}"
-}
-
-function define_uint(size,    shortname) {
-	shortname = "u" size
-	define_internal(shortname)
-	CodegenDeserialize[shortname] = "\t%s = r." shortname "()\n"
-
-	print ""
-	print "\t" shortname "() {"
-	if (size == "64") {
-		# XXX: 2^53 - 1 must be enough for anyone.  BigInts are a PITA.
-		print "\t\tconst " shortname \
-			" = Number(this.getBigUint" size "(this.offset))"
-	} else {
-		print "\t\tconst " shortname " = this.getUint" size "(this.offset)"
-	}
-	print "\t\tthis.offset += " (size / 8)
-	print "\t\treturn " shortname
-	print "\t}"
-}
-
-function codegen_begin() {
-	print "// Code generated from " FILENAME ". DO NOT EDIT."
-	print ""
-	print "export class Reader extends DataView {"
-	print "\tconstructor() {"
-	print "\t\tsuper(...arguments)"
-	print "\t\tthis.offset = 0"
-	print "\t\tthis.decoder = new TextDecoder('utf-8', {fatal: true})"
-	print "\t}"
-	print ""
-	print "\tget empty() {"
-	print "\t\treturn this.byteLength <= this.offset"
-	print "\t}"
-	print ""
-	print "\trequire(len) {"
-	print "\t\tif (this.byteLength - this.offset < len)"
-	print "\t\t\tthrow `Premature end of data`"
-	print "\t\treturn this.byteOffset + this.offset"
-	print "\t}"
-
-	define_internal("string")
-	CodegenDeserialize["string"] = "\t%s = r.string()\n"
-
-	print ""
-	print "\tstring() {"
-	print "\t\tconst len = this.getUint32(this.offset)"
-	print "\t\tthis.offset += 4"
-	print "\t\tconst array = new Uint8Array("
-	print "\t\t\tthis.buffer, this.require(len), len)"
-	print "\t\tthis.offset += len"
-	print "\t\treturn this.decoder.decode(array)"
-	print "\t}"
-
-	define_internal("bool")
-	CodegenDeserialize["bool"] = "\t%s = r.bool()\n"
-
-	print ""
-	print "\tbool() {"
-	print "\t\tconst u8 = this.getUint8(this.offset)"
-	print "\t\tthis.offset += 1"
-	print "\t\treturn u8 != 0"
-	print "\t}"
-
-	define_sint("8")
-	define_sint("16")
-	define_sint("32")
-	define_sint("64")
-	define_uint("8")
-	define_uint("16")
-	define_uint("32")
-	define_uint("64")
-
-	print "}"
-}
-
-function codegen_constant(name, value) {
-	print ""
-	print "export const " decapitalize(snaketocamel(name)) " = " value
-}
-
-function codegen_enum_value(name, subname, value, cg) {
-	append(cg, "fields", "\t" snaketocamel(subname) ": " value ",\n")
-}
-
-function codegen_enum(name, cg) {
-	print ""
-	print "export const " name " = Object.freeze({"
-	print cg["fields"] "})"
-
-	CodegenDeserialize[name] = "\t%s = r.i8()\n"
-	for (i in cg)
-		delete cg[i]
-}
-
-function codegen_struct_field(d, cg,    camel, f, deserialize) {
-	camel = decapitalize(snaketocamel(d["name"]))
-	f = "s." camel
-	append(cg, "fields", "\t" camel "\n")
-
-	deserialize = CodegenDeserialize[d["type"]]
-	if (!d["isarray"]) {
-		append(cg, "deserialize", sprintf(deserialize, f))
-		return
-	}
-
-	append(cg, "deserialize",
-		"\t{\n" \
-		indent(sprintf(CodegenDeserialize["u32"], "const len")))
-	if (d["type"] == "u8") {
-		append(cg, "deserialize",
-			"\t\t" f " = new Uint8Array(\n" \
-			"\t\t\tr.buffer, r.require(len), len)\n" \
-			"\t\tr.offset += len\n" \
-			"\t}\n")
-		return
-	}
-	if (d["type"] == "i8") {
-		append(cg, "deserialize",
-			"\t\t" f " = new Int8Array(\n" \
-			"\t\t\tr.buffer, r.require(len), len)\n" \
-			"\t\tr.offset += len\n" \
-			"\t}\n")
-		return
-	}
-
-	append(cg, "deserialize",
-		"\t\t" f " = new Array(len)\n" \
-		"\t}\n" \
-		"\tfor (let i = 0; i < " f ".length; i++)\n" \
-		indent(sprintf(deserialize, f "[i]")))
-}
-
-function codegen_struct_tag(d, cg) {
-	append(cg, "fields", "\t" decapitalize(snaketocamel(d["name"])) "\n")
-	# Do not deserialize here, that is already done by the containing union.
-}
-
-function codegen_struct(name, cg) {
-	print ""
-	print "export class " name " {"
-	print cg["fields"] cg["methods"]
-	print "\tstatic deserialize(r) {"
-	print "\t\tconst s = new " name "()"
-	print indent(cg["deserialize"]) "\t\treturn s"
-	print "\t}"
-	print "}"
-
-	CodegenDeserialize[name] = "\t%s = " name ".deserialize(r)\n"
-	for (i in cg)
-		delete cg[i]
-}
-
-function codegen_union_tag(d, cg) {
-	cg["tagtype"] = d["type"]
-	cg["tagname"] = d["name"]
-}
-
-function codegen_union_struct(name, casename, cg, scg,     structname) {
-	append(scg, "methods",
-		"\n" \
-		"\tconstructor() {\n" \
-		"\t\tthis." decapitalize(snaketocamel(cg["tagname"])) \
-			" = " cg["tagtype"] "." snaketocamel(casename) "\n" \
-		"\t}\n")
-
-	# And thus not all generated structs are present in Types.
-	structname = name snaketocamel(casename)
-	codegen_struct(structname, scg)
-
-	append(cg, "deserialize",
-		"\tcase " cg["tagtype"] "." snaketocamel(casename) ":\n" \
-		"\t{\n" \
-		indent(sprintf(CodegenDeserialize[structname], "const s")) \
-		"\t\treturn s\n" \
-		"\t}\n")
-}
-
-function codegen_union(name, cg,    tagvar) {
-	tagvar = decapitalize(snaketocamel(cg["tagname"]))
-
-	print ""
-	print "export function deserialize" name "(r) {"
-	print sprintf(CodegenDeserialize[cg["tagtype"]], "const " tagvar) \
-		"\tswitch (" tagvar ") {"
-	print cg["deserialize"] "\tdefault:"
-	print "\t\tthrow `Unknown " cg["tagtype"] " (${tagvar})`"
-	print "\t}"
-	print "}"
-
-	CodegenDeserialize[name] = "\t%s = deserialize" name "(r)\n"
-	for (i in cg)
-		delete cg[i]
-}