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Jane Roxanne
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commit
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Load Diff
@ -1,514 +0,0 @@
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#!/usr/bin/env lua5.1
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--[[
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init.lua - Main file of LuaComp
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Copyright 2019 Adorable-Catgirl
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]
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local function _sv(k, v)
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_G[k] = v
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--os.setenv(k, tostring(v))
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end
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_sv("LUACOMP_V_MAJ", 1)
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_sv("LUACOMP_V_MIN", 1)
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_sv("LUACOMP_V_PAT", 0)
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_sv("LUACOMP_VERSION", LUACOMP_V_MAJ.."."..LUACOMP_V_MIN.."."..LUACOMP_V_PAT)
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_sv("LUACOMP_NAME", "LuaComp")
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--[[
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ast.lua - Generates a structure for use in preprocessing.
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Copyright 2019 Adorable-Catgirl
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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]]
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local function nextc(f, c)
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c = c or 1
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return f:read(c)
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end
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local function peek(f, c)
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c = c or 1
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local z = f:read(c)
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f:seek("cur", -c)
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return z
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end
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local function skip(f, c)
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c = c or 1
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return f:seek("cur", c)
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end
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local ws = {
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["\t"] = true,
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[" "] = true
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}
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local function parse_hex(f)
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local lc = " "
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local hex = ""
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while (48 <= lc:byte() and lc:byte() <= 57) or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) do
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lc = nextc(f)
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if (48 <= lc:byte() and lc:byte()) <= 57 or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) then
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hex = hex .. lc
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end
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end
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return tonumber(hex, 16)
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end
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local function parse_number(f, c)
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local lc = " "
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local num = c
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while 48 <= lc:byte() and lc:byte() <= 57 do
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lc = nextc(f)
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if (48 <= lc:byte() and lc:byte() <= 57) then
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num = num .. lc
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end
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end
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return tonumber(hex, 10)
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end
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local esct = {
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["t"] = "\t",
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["n"] = "\n",
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["r"] = "\r",
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["\\"] = "\\\\"
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}
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for i=0, 9 do
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esct[tostring(i)] = string.char(i)
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end
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local function parse_dblquote(f)
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local val = ""
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while peek(f) ~= "\"" do
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local c = nextc(f)
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if (peek(f) == "\n" or peek(f) == "\r") then
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return nil, "Unexpected end of line"
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end
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if (c == "\\") then
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if (esct[peek(f)]) then
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c = esct[peek(f)]
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skip(f)
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else
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c = nextc(f)
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end
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end
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val = val .. c
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end
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skip(f)
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return val
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end
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local function parse_snglquote(f)
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local val = ""
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while peek(f) ~= "\'" do
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local c = nextc(f)
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if (peek(f) == "\n" or peek(f) == "\r") then
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return nil, "Unexpected end of line"
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end
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if (c == "\\") then
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if (esct[peek(f)]) then
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c = esct[peek(f)]
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skip(f)
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else
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c = nextc(f)
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end
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end
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val = val .. c
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end
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skip(f)
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return val
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end
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local function parse_envarg(f)
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local val = ""
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while peek(f) ~= ")" do
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if (peek(f) == "\n" or peek(f) == "\r") then
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return nil, "Unexpected end of line"
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end
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val = val .. nextc(f)
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end
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skip(f)
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return val
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end
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local function parse_directive(f)
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local lc = "_"
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local name = ""
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local args = {}
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local carg = ""
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while not ws[lc] do
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lc = nextc(f)
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if (lc == "\n" or lc == "\r") then
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if (lc == "\r" and peek(f) == "\n") then skip(f) end
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return {type="directive", name=name}
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elseif not ws[lc] then
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name = name .. lc
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end
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end
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while true do
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lc = nextc(f)
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if (lc == "\n" or lc == "\r") then
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if (lc == "\r" and peek(f) == "\n") then skip(f) end
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return {type="directive", name=name, args=args}
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elseif lc == "0" and peek(f) == "x" then
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skip(f)
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local val = parse_hex(f)
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args[#args+1] = val
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elseif 48 <= lc:byte() and lc:byte() <= 57 then
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local val = parse_number(f, lc)
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args[#args+1] = val
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elseif lc == "\"" then
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local val, e = parse_dblquote(f)
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if not val then return val, e end
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args[#args+1] = val
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elseif lc == "\'" then
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local val, e = parse_snglquote(f)
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if not val then return val, e end
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args[#args+1] = val
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elseif lc == "$" and peek(f) == "(" then
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skip(f)
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local val = parse_envarg(f)
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if not os.getenv(val) then return nil, "Enviroment variable `"..val.."' does not exist." end
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args[#args+1] = os.getenv(val)
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elseif not ws[lc] then
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return nil, "Syntax error"
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end
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end
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end
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local function mkast(f, n)
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io.stderr:write("PROC\t",n,"\n")
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local lc = " "
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local lpos = 1
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local ilpos = 1
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local tree = {}
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local code = ""
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local branches = {}
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local function add_code()
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tree[#tree+1] = {type="code", data=code, file=n, line=lpos}
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code = ""
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end
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local function parse_error(e)
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io.stderr:write("ERROR:"..n..":"..lpos..": "..e.."\n")
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os.exit(1)
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end
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while lc and lc ~= "" do
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lc = nextc(f)
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if (lc == "-" and ilpos == 1) then
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if (peek(f, 2) == "-#") then --Directive
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add_code()
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skip(f, 2)
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local d, r = parse_directive(f)
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if not d then
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parse_error(r)
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end
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d.line = lpos
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d.file = n
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lpos = lpos+1
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tree[#tree+1] = d
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else
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code = code .. lc
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ilpos = ilpos+1
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end
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elseif (lc == "/" and ilpos == 1) then
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if (peek(f, 2) == "/#") then --Directive
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add_code()
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skip(f, 2)
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local d, r = parse_directive(f)
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if not d then
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parse_error(r)
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end
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d.line = lpos
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d.file = n
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lpos = lpos+1
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tree[#tree+1] = d
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else
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code = code .. lc
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ilpos = ilpos+1
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end
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elseif (lc == "$" and peek(f) == "(") then
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add_code()
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skip(f)
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local val, e = parse_envarg(f)
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if not val then
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parse_error(e)
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end
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tree[#tree+1] = {type="envvar", var=val, file=n, line=lpos}
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elseif (lc == "@" and peek(f, 2) == "[[") then
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add_code()
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skip(f, 2)
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local val = ""
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while peek(f, 2) ~= "]]" do
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val = val .. nextc(f)
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end
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tree[#tree+1] = {type="lua", code=val, file=n, line=lpos}
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skip(f, 2)
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elseif (lc == "@" and peek(f, 2) == "[{") then
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add_code()
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skip(f, 2)
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local val = ""
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while peek(f, 2) ~= "}]" do
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val = val .. nextc(f)
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end
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tree[#tree+1] = {type="lua_r", code=val, file=n, line=lpos}
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skip(f, 2)
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elseif (lc == "\r" or lc == "\n") then
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if (lc == "\r" and peek(f) == "\n") then
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skip(f)
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end
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lpos = lpos+1
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ilpos = 1
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code = code .. "\n"
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else
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code = code .. (lc or "")
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ilpos = ilpos+1
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end
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end
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add_code()
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return tree
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end
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--[[
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generator.lua - Generates the code.
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Copyright 2019 Adorable-Catgirl
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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||||
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.
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||||
]]
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local function lua_escape(code)
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return code:gsub("\\", "\\\\"):gsub("\"", "\\\""):gsub("\n", "\\n")
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end
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local directives = {}
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local function generate(ast)
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local lua_code = ""
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for i=1, #ast do
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local leaf = ast[i]
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if (leaf.type == "lua") then
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lua_code = lua_code .. leaf.code
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elseif (leaf.type == "directive") then
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local stargs = {}
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for i=1, #leaf.args do
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local arg = leaf.args[i]
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if (type(arg) == "string") then
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stargs[i] = "\""..lua_escape(arg).."\""
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elseif (type(arg) == "number") then
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stargs[i] = tostring(arg)
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end
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end
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lua_code = lua_code .. "call_directive(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.name.."\","..table.concat(stargs, ",")..")"
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elseif (leaf.type == "envvar") then
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lua_code = lua_code .. "put_env(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.var.."\")"
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elseif (leaf.type == "code") then
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lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",\"" .. lua_escape(leaf.data) .. "\")"
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elseif (leaf.type == "lua_r") then
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lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",tostring("..leaf.code.."))"
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else
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io.stderr:write("ERROR: Internal catastrophic failure, unknown type "..leaf.type.."\n")
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os.exit(1)
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end
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lua_code = lua_code .. "\n"
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end
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local env = {code = ""}
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local function run_away_screaming(fpos, err)
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io.stdout:write("ERROR: "..fpos..": "..err.."\n")
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os.exit(1)
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end
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local function call_directive(fpos, dname, ...)
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if (not directives[dname]) then
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run_away_screaming(fpos, "Invalid directive name `"..dname.."'")
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end
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local r, er = directives[dname](env, ...)
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if (not r) then
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run_away_screaming(fpos, er)
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end
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end
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local function put_env(fpos, evar)
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local e = os.getenv(evar)
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if not e then
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run_away_screaming(fpos, "Enviroment variable `"..evar.."' does not exist!")
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end
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env.code = env.code .. "\""..lua_escape(e).."\""
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end
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local function put_code(fpos, code)
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env.code = env.code .. code --not much that can fail here...
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end
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local fenv = {}
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for k, v in pairs(_G) do
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fenv[k] = v
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||||
end
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||||
fenv._G = fenv
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fenv._ENV = fenv
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fenv.call_directive = call_directive
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fenv.put_code = put_code
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fenv.put_env = put_env
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local func = assert(load(lua_code, "=(generated code)", "t", fenv))
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||||
func()
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||||
return env.code
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||||
end
|
||||
|
||||
--[[
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directive_provider.lua - Provides preprocessor directives
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||||
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||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
---#include "directives/define.lua"
|
||||
|
||||
function directives.include(env, file)
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "File `"..file.."' does not exist!"
|
||||
end
|
||||
local f = io.open(file, "r")
|
||||
local fast = mkast(f, file)
|
||||
local code = generate(fast)
|
||||
env.code = env.code .. "\n" .. code .. "\n"
|
||||
return true
|
||||
end
|
||||
|
||||
local warned = false
|
||||
function directives.loadmod(env, mod)
|
||||
if not warned then
|
||||
io.stderr:write("Warning: loadmod is depreciated and unsafe. The API differs from luapreproc.\n")
|
||||
warned = true
|
||||
end
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "Module `"..file.."' does not exist!"
|
||||
end
|
||||
local modname, func = dofile(mod)
|
||||
directives[modname] = func
|
||||
return true
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
cfg/minifier_providers.lua - Provides minifier providers.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local providers = {}
|
||||
|
||||
function providers.luamin(cin)
|
||||
local fn = os.tmpname()
|
||||
local fh = io.open(fn, "w")
|
||||
fh:write(cin)
|
||||
fh:close()
|
||||
local lmh = io.popen("luamin -f "..fn.." 2>&1", "r")
|
||||
local dat = lmh:read("*a")
|
||||
local stat, _, code = lmh:close()
|
||||
if (code ~= 0) then
|
||||
return false, dat
|
||||
end
|
||||
return dat
|
||||
end
|
||||
|
||||
function providers.none(cin)
|
||||
return cin
|
||||
end
|
||||
|
||||
local argparse = require("argparse")
|
||||
|
||||
local parser = argparse(arg[0], "LuaComp v"..LUACOMP_VERSION.."\nA Lua preprocessor+postprocessor.")
|
||||
parser:argument("input", "Input file (- for STDIN)")
|
||||
parser:option("-O --output", "Output file. (- for STDOUT)", "-")
|
||||
parser:option("-m --minifier", "Sets the minifier", "none")
|
||||
parser:option("-x --executable", "Makes the script an executable (default: current lua version)"):args "?"
|
||||
local args = parser:parse()
|
||||
local file = args.input
|
||||
local f
|
||||
if (file ~= "-") then
|
||||
f = io.open(file, "r")
|
||||
if not f then
|
||||
io.stderr:write("ERROR: File `"..file.."' does not exist!\n")
|
||||
os.exit(1)
|
||||
end
|
||||
else
|
||||
f = io.stdin
|
||||
end
|
||||
local ast = mkast(f, file)
|
||||
local ocode = generate(ast)
|
||||
|
||||
local minifier = providers[args.minifier]
|
||||
|
||||
local rcode = minifier(ocode)
|
||||
|
||||
local of
|
||||
if (args.output == "-") then
|
||||
of = io.stdout
|
||||
else
|
||||
of = io.open(args.output, "w")
|
||||
end
|
||||
local ver = _VERSION:lower():gsub(" ", "")
|
||||
if jit then
|
||||
ver = "luajit"
|
||||
end
|
||||
if (args.executable) then
|
||||
of:write("#!/usr/bin/env ", args.executable[1] or ver, "\n")
|
||||
end
|
||||
of:write(rcode)
|
||||
of:close()
|
||||
f:close()
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,514 +0,0 @@
|
||||
#!/usr/bin/env lua5.2
|
||||
--[[
|
||||
init.lua - Main file of LuaComp
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
|
||||
local function _sv(k, v)
|
||||
_G[k] = v
|
||||
--os.setenv(k, tostring(v))
|
||||
end
|
||||
|
||||
_sv("LUACOMP_V_MAJ", 1)
|
||||
_sv("LUACOMP_V_MIN", 1)
|
||||
_sv("LUACOMP_V_PAT", 0)
|
||||
_sv("LUACOMP_VERSION", LUACOMP_V_MAJ.."."..LUACOMP_V_MIN.."."..LUACOMP_V_PAT)
|
||||
_sv("LUACOMP_NAME", "LuaComp")
|
||||
|
||||
--[[
|
||||
ast.lua - Generates a structure for use in preprocessing.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function nextc(f, c)
|
||||
c = c or 1
|
||||
return f:read(c)
|
||||
end
|
||||
|
||||
local function peek(f, c)
|
||||
c = c or 1
|
||||
local z = f:read(c)
|
||||
f:seek("cur", -c)
|
||||
return z
|
||||
end
|
||||
|
||||
local function skip(f, c)
|
||||
c = c or 1
|
||||
return f:seek("cur", c)
|
||||
end
|
||||
|
||||
local ws = {
|
||||
["\t"] = true,
|
||||
[" "] = true
|
||||
}
|
||||
|
||||
local function parse_hex(f)
|
||||
local lc = " "
|
||||
local hex = ""
|
||||
while (48 <= lc:byte() and lc:byte() <= 57) or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte()) <= 57 or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) then
|
||||
hex = hex .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 16)
|
||||
end
|
||||
|
||||
local function parse_number(f, c)
|
||||
local lc = " "
|
||||
local num = c
|
||||
while 48 <= lc:byte() and lc:byte() <= 57 do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte() <= 57) then
|
||||
num = num .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 10)
|
||||
end
|
||||
|
||||
local esct = {
|
||||
["t"] = "\t",
|
||||
["n"] = "\n",
|
||||
["r"] = "\r",
|
||||
["\\"] = "\\\\"
|
||||
}
|
||||
|
||||
for i=0, 9 do
|
||||
esct[tostring(i)] = string.char(i)
|
||||
end
|
||||
|
||||
local function parse_dblquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\"" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_snglquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\'" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_envarg(f)
|
||||
local val = ""
|
||||
while peek(f) ~= ")" do
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_directive(f)
|
||||
local lc = "_"
|
||||
local name = ""
|
||||
local args = {}
|
||||
local carg = ""
|
||||
while not ws[lc] do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name}
|
||||
elseif not ws[lc] then
|
||||
name = name .. lc
|
||||
end
|
||||
end
|
||||
while true do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name, args=args}
|
||||
elseif lc == "0" and peek(f) == "x" then
|
||||
skip(f)
|
||||
local val = parse_hex(f)
|
||||
args[#args+1] = val
|
||||
elseif 48 <= lc:byte() and lc:byte() <= 57 then
|
||||
local val = parse_number(f, lc)
|
||||
args[#args+1] = val
|
||||
elseif lc == "\"" then
|
||||
local val, e = parse_dblquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "\'" then
|
||||
local val, e = parse_snglquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "$" and peek(f) == "(" then
|
||||
skip(f)
|
||||
local val = parse_envarg(f)
|
||||
if not os.getenv(val) then return nil, "Enviroment variable `"..val.."' does not exist." end
|
||||
args[#args+1] = os.getenv(val)
|
||||
elseif not ws[lc] then
|
||||
return nil, "Syntax error"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function mkast(f, n)
|
||||
io.stderr:write("PROC\t",n,"\n")
|
||||
local lc = " "
|
||||
local lpos = 1
|
||||
local ilpos = 1
|
||||
local tree = {}
|
||||
local code = ""
|
||||
local branches = {}
|
||||
local function add_code()
|
||||
tree[#tree+1] = {type="code", data=code, file=n, line=lpos}
|
||||
code = ""
|
||||
end
|
||||
local function parse_error(e)
|
||||
io.stderr:write("ERROR:"..n..":"..lpos..": "..e.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
while lc and lc ~= "" do
|
||||
lc = nextc(f)
|
||||
if (lc == "-" and ilpos == 1) then
|
||||
if (peek(f, 2) == "-#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "/" and ilpos == 1) then
|
||||
if (peek(f, 2) == "/#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "$" and peek(f) == "(") then
|
||||
add_code()
|
||||
skip(f)
|
||||
local val, e = parse_envarg(f)
|
||||
if not val then
|
||||
parse_error(e)
|
||||
end
|
||||
tree[#tree+1] = {type="envvar", var=val, file=n, line=lpos}
|
||||
elseif (lc == "@" and peek(f, 2) == "[[") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "]]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "@" and peek(f, 2) == "[{") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "}]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua_r", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "\r" or lc == "\n") then
|
||||
if (lc == "\r" and peek(f) == "\n") then
|
||||
skip(f)
|
||||
end
|
||||
lpos = lpos+1
|
||||
ilpos = 1
|
||||
code = code .. "\n"
|
||||
else
|
||||
code = code .. (lc or "")
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
end
|
||||
add_code()
|
||||
return tree
|
||||
end
|
||||
|
||||
--[[
|
||||
generator.lua - Generates the code.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function lua_escape(code)
|
||||
return code:gsub("\\", "\\\\"):gsub("\"", "\\\""):gsub("\n", "\\n")
|
||||
end
|
||||
|
||||
local directives = {}
|
||||
|
||||
local function generate(ast)
|
||||
local lua_code = ""
|
||||
for i=1, #ast do
|
||||
local leaf = ast[i]
|
||||
if (leaf.type == "lua") then
|
||||
lua_code = lua_code .. leaf.code
|
||||
elseif (leaf.type == "directive") then
|
||||
local stargs = {}
|
||||
for i=1, #leaf.args do
|
||||
local arg = leaf.args[i]
|
||||
if (type(arg) == "string") then
|
||||
stargs[i] = "\""..lua_escape(arg).."\""
|
||||
elseif (type(arg) == "number") then
|
||||
stargs[i] = tostring(arg)
|
||||
end
|
||||
end
|
||||
lua_code = lua_code .. "call_directive(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.name.."\","..table.concat(stargs, ",")..")"
|
||||
elseif (leaf.type == "envvar") then
|
||||
lua_code = lua_code .. "put_env(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.var.."\")"
|
||||
elseif (leaf.type == "code") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",\"" .. lua_escape(leaf.data) .. "\")"
|
||||
elseif (leaf.type == "lua_r") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",tostring("..leaf.code.."))"
|
||||
else
|
||||
io.stderr:write("ERROR: Internal catastrophic failure, unknown type "..leaf.type.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
lua_code = lua_code .. "\n"
|
||||
end
|
||||
local env = {code = ""}
|
||||
local function run_away_screaming(fpos, err)
|
||||
io.stdout:write("ERROR: "..fpos..": "..err.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
local function call_directive(fpos, dname, ...)
|
||||
if (not directives[dname]) then
|
||||
run_away_screaming(fpos, "Invalid directive name `"..dname.."'")
|
||||
end
|
||||
local r, er = directives[dname](env, ...)
|
||||
if (not r) then
|
||||
run_away_screaming(fpos, er)
|
||||
end
|
||||
end
|
||||
local function put_env(fpos, evar)
|
||||
local e = os.getenv(evar)
|
||||
if not e then
|
||||
run_away_screaming(fpos, "Enviroment variable `"..evar.."' does not exist!")
|
||||
end
|
||||
env.code = env.code .. "\""..lua_escape(e).."\""
|
||||
end
|
||||
local function put_code(fpos, code)
|
||||
env.code = env.code .. code --not much that can fail here...
|
||||
end
|
||||
local fenv = {}
|
||||
for k, v in pairs(_G) do
|
||||
fenv[k] = v
|
||||
end
|
||||
fenv._G = fenv
|
||||
fenv._ENV = fenv
|
||||
fenv.call_directive = call_directive
|
||||
fenv.put_code = put_code
|
||||
fenv.put_env = put_env
|
||||
local func = assert(load(lua_code, "=(generated code)", "t", fenv))
|
||||
func()
|
||||
return env.code
|
||||
end
|
||||
|
||||
--[[
|
||||
directive_provider.lua - Provides preprocessor directives
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
---#include "directives/define.lua"
|
||||
|
||||
function directives.include(env, file)
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "File `"..file.."' does not exist!"
|
||||
end
|
||||
local f = io.open(file, "r")
|
||||
local fast = mkast(f, file)
|
||||
local code = generate(fast)
|
||||
env.code = env.code .. "\n" .. code .. "\n"
|
||||
return true
|
||||
end
|
||||
|
||||
local warned = false
|
||||
function directives.loadmod(env, mod)
|
||||
if not warned then
|
||||
io.stderr:write("Warning: loadmod is depreciated and unsafe. The API differs from luapreproc.\n")
|
||||
warned = true
|
||||
end
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "Module `"..file.."' does not exist!"
|
||||
end
|
||||
local modname, func = dofile(mod)
|
||||
directives[modname] = func
|
||||
return true
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
cfg/minifier_providers.lua - Provides minifier providers.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local providers = {}
|
||||
|
||||
function providers.luamin(cin)
|
||||
local fn = os.tmpname()
|
||||
local fh = io.open(fn, "w")
|
||||
fh:write(cin)
|
||||
fh:close()
|
||||
local lmh = io.popen("luamin -f "..fn.." 2>&1", "r")
|
||||
local dat = lmh:read("*a")
|
||||
local stat, _, code = lmh:close()
|
||||
if (code ~= 0) then
|
||||
return false, dat
|
||||
end
|
||||
return dat
|
||||
end
|
||||
|
||||
function providers.none(cin)
|
||||
return cin
|
||||
end
|
||||
|
||||
local argparse = require("argparse")
|
||||
|
||||
local parser = argparse(arg[0], "LuaComp v"..LUACOMP_VERSION.."\nA Lua preprocessor+postprocessor.")
|
||||
parser:argument("input", "Input file (- for STDIN)")
|
||||
parser:option("-O --output", "Output file. (- for STDOUT)", "-")
|
||||
parser:option("-m --minifier", "Sets the minifier", "none")
|
||||
parser:option("-x --executable", "Makes the script an executable (default: current lua version)"):args "?"
|
||||
local args = parser:parse()
|
||||
local file = args.input
|
||||
local f
|
||||
if (file ~= "-") then
|
||||
f = io.open(file, "r")
|
||||
if not f then
|
||||
io.stderr:write("ERROR: File `"..file.."' does not exist!\n")
|
||||
os.exit(1)
|
||||
end
|
||||
else
|
||||
f = io.stdin
|
||||
end
|
||||
local ast = mkast(f, file)
|
||||
local ocode = generate(ast)
|
||||
|
||||
local minifier = providers[args.minifier]
|
||||
|
||||
local rcode = minifier(ocode)
|
||||
|
||||
local of
|
||||
if (args.output == "-") then
|
||||
of = io.stdout
|
||||
else
|
||||
of = io.open(args.output, "w")
|
||||
end
|
||||
local ver = _VERSION:lower():gsub(" ", "")
|
||||
if jit then
|
||||
ver = "luajit"
|
||||
end
|
||||
if (args.executable) then
|
||||
of:write("#!/usr/bin/env ", args.executable[1] or ver, "\n")
|
||||
end
|
||||
of:write(rcode)
|
||||
of:close()
|
||||
f:close()
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,514 +0,0 @@
|
||||
#!/usr/bin/env lua5.3
|
||||
--[[
|
||||
init.lua - Main file of LuaComp
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
|
||||
local function _sv(k, v)
|
||||
_G[k] = v
|
||||
--os.setenv(k, tostring(v))
|
||||
end
|
||||
|
||||
_sv("LUACOMP_V_MAJ", 1)
|
||||
_sv("LUACOMP_V_MIN", 1)
|
||||
_sv("LUACOMP_V_PAT", 0)
|
||||
_sv("LUACOMP_VERSION", LUACOMP_V_MAJ.."."..LUACOMP_V_MIN.."."..LUACOMP_V_PAT)
|
||||
_sv("LUACOMP_NAME", "LuaComp")
|
||||
|
||||
--[[
|
||||
ast.lua - Generates a structure for use in preprocessing.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function nextc(f, c)
|
||||
c = c or 1
|
||||
return f:read(c)
|
||||
end
|
||||
|
||||
local function peek(f, c)
|
||||
c = c or 1
|
||||
local z = f:read(c)
|
||||
f:seek("cur", -c)
|
||||
return z
|
||||
end
|
||||
|
||||
local function skip(f, c)
|
||||
c = c or 1
|
||||
return f:seek("cur", c)
|
||||
end
|
||||
|
||||
local ws = {
|
||||
["\t"] = true,
|
||||
[" "] = true
|
||||
}
|
||||
|
||||
local function parse_hex(f)
|
||||
local lc = " "
|
||||
local hex = ""
|
||||
while (48 <= lc:byte() and lc:byte() <= 57) or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte()) <= 57 or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) then
|
||||
hex = hex .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 16)
|
||||
end
|
||||
|
||||
local function parse_number(f, c)
|
||||
local lc = " "
|
||||
local num = c
|
||||
while 48 <= lc:byte() and lc:byte() <= 57 do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte() <= 57) then
|
||||
num = num .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 10)
|
||||
end
|
||||
|
||||
local esct = {
|
||||
["t"] = "\t",
|
||||
["n"] = "\n",
|
||||
["r"] = "\r",
|
||||
["\\"] = "\\\\"
|
||||
}
|
||||
|
||||
for i=0, 9 do
|
||||
esct[tostring(i)] = string.char(i)
|
||||
end
|
||||
|
||||
local function parse_dblquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\"" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_snglquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\'" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_envarg(f)
|
||||
local val = ""
|
||||
while peek(f) ~= ")" do
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_directive(f)
|
||||
local lc = "_"
|
||||
local name = ""
|
||||
local args = {}
|
||||
local carg = ""
|
||||
while not ws[lc] do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name}
|
||||
elseif not ws[lc] then
|
||||
name = name .. lc
|
||||
end
|
||||
end
|
||||
while true do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name, args=args}
|
||||
elseif lc == "0" and peek(f) == "x" then
|
||||
skip(f)
|
||||
local val = parse_hex(f)
|
||||
args[#args+1] = val
|
||||
elseif 48 <= lc:byte() and lc:byte() <= 57 then
|
||||
local val = parse_number(f, lc)
|
||||
args[#args+1] = val
|
||||
elseif lc == "\"" then
|
||||
local val, e = parse_dblquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "\'" then
|
||||
local val, e = parse_snglquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "$" and peek(f) == "(" then
|
||||
skip(f)
|
||||
local val = parse_envarg(f)
|
||||
if not os.getenv(val) then return nil, "Enviroment variable `"..val.."' does not exist." end
|
||||
args[#args+1] = os.getenv(val)
|
||||
elseif not ws[lc] then
|
||||
return nil, "Syntax error"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function mkast(f, n)
|
||||
io.stderr:write("PROC\t",n,"\n")
|
||||
local lc = " "
|
||||
local lpos = 1
|
||||
local ilpos = 1
|
||||
local tree = {}
|
||||
local code = ""
|
||||
local branches = {}
|
||||
local function add_code()
|
||||
tree[#tree+1] = {type="code", data=code, file=n, line=lpos}
|
||||
code = ""
|
||||
end
|
||||
local function parse_error(e)
|
||||
io.stderr:write("ERROR:"..n..":"..lpos..": "..e.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
while lc and lc ~= "" do
|
||||
lc = nextc(f)
|
||||
if (lc == "-" and ilpos == 1) then
|
||||
if (peek(f, 2) == "-#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "/" and ilpos == 1) then
|
||||
if (peek(f, 2) == "/#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "$" and peek(f) == "(") then
|
||||
add_code()
|
||||
skip(f)
|
||||
local val, e = parse_envarg(f)
|
||||
if not val then
|
||||
parse_error(e)
|
||||
end
|
||||
tree[#tree+1] = {type="envvar", var=val, file=n, line=lpos}
|
||||
elseif (lc == "@" and peek(f, 2) == "[[") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "]]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "@" and peek(f, 2) == "[{") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "}]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua_r", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "\r" or lc == "\n") then
|
||||
if (lc == "\r" and peek(f) == "\n") then
|
||||
skip(f)
|
||||
end
|
||||
lpos = lpos+1
|
||||
ilpos = 1
|
||||
code = code .. "\n"
|
||||
else
|
||||
code = code .. (lc or "")
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
end
|
||||
add_code()
|
||||
return tree
|
||||
end
|
||||
|
||||
--[[
|
||||
generator.lua - Generates the code.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function lua_escape(code)
|
||||
return code:gsub("\\", "\\\\"):gsub("\"", "\\\""):gsub("\n", "\\n")
|
||||
end
|
||||
|
||||
local directives = {}
|
||||
|
||||
local function generate(ast)
|
||||
local lua_code = ""
|
||||
for i=1, #ast do
|
||||
local leaf = ast[i]
|
||||
if (leaf.type == "lua") then
|
||||
lua_code = lua_code .. leaf.code
|
||||
elseif (leaf.type == "directive") then
|
||||
local stargs = {}
|
||||
for i=1, #leaf.args do
|
||||
local arg = leaf.args[i]
|
||||
if (type(arg) == "string") then
|
||||
stargs[i] = "\""..lua_escape(arg).."\""
|
||||
elseif (type(arg) == "number") then
|
||||
stargs[i] = tostring(arg)
|
||||
end
|
||||
end
|
||||
lua_code = lua_code .. "call_directive(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.name.."\","..table.concat(stargs, ",")..")"
|
||||
elseif (leaf.type == "envvar") then
|
||||
lua_code = lua_code .. "put_env(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.var.."\")"
|
||||
elseif (leaf.type == "code") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",\"" .. lua_escape(leaf.data) .. "\")"
|
||||
elseif (leaf.type == "lua_r") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",tostring("..leaf.code.."))"
|
||||
else
|
||||
io.stderr:write("ERROR: Internal catastrophic failure, unknown type "..leaf.type.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
lua_code = lua_code .. "\n"
|
||||
end
|
||||
local env = {code = ""}
|
||||
local function run_away_screaming(fpos, err)
|
||||
io.stdout:write("ERROR: "..fpos..": "..err.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
local function call_directive(fpos, dname, ...)
|
||||
if (not directives[dname]) then
|
||||
run_away_screaming(fpos, "Invalid directive name `"..dname.."'")
|
||||
end
|
||||
local r, er = directives[dname](env, ...)
|
||||
if (not r) then
|
||||
run_away_screaming(fpos, er)
|
||||
end
|
||||
end
|
||||
local function put_env(fpos, evar)
|
||||
local e = os.getenv(evar)
|
||||
if not e then
|
||||
run_away_screaming(fpos, "Enviroment variable `"..evar.."' does not exist!")
|
||||
end
|
||||
env.code = env.code .. "\""..lua_escape(e).."\""
|
||||
end
|
||||
local function put_code(fpos, code)
|
||||
env.code = env.code .. code --not much that can fail here...
|
||||
end
|
||||
local fenv = {}
|
||||
for k, v in pairs(_G) do
|
||||
fenv[k] = v
|
||||
end
|
||||
fenv._G = fenv
|
||||
fenv._ENV = fenv
|
||||
fenv.call_directive = call_directive
|
||||
fenv.put_code = put_code
|
||||
fenv.put_env = put_env
|
||||
local func = assert(load(lua_code, "=(generated code)", "t", fenv))
|
||||
func()
|
||||
return env.code
|
||||
end
|
||||
|
||||
--[[
|
||||
directive_provider.lua - Provides preprocessor directives
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
---#include "directives/define.lua"
|
||||
|
||||
function directives.include(env, file)
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "File `"..file.."' does not exist!"
|
||||
end
|
||||
local f = io.open(file, "r")
|
||||
local fast = mkast(f, file)
|
||||
local code = generate(fast)
|
||||
env.code = env.code .. "\n" .. code .. "\n"
|
||||
return true
|
||||
end
|
||||
|
||||
local warned = false
|
||||
function directives.loadmod(env, mod)
|
||||
if not warned then
|
||||
io.stderr:write("Warning: loadmod is depreciated and unsafe. The API differs from luapreproc.\n")
|
||||
warned = true
|
||||
end
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "Module `"..file.."' does not exist!"
|
||||
end
|
||||
local modname, func = dofile(mod)
|
||||
directives[modname] = func
|
||||
return true
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
cfg/minifier_providers.lua - Provides minifier providers.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local providers = {}
|
||||
|
||||
function providers.luamin(cin)
|
||||
local fn = os.tmpname()
|
||||
local fh = io.open(fn, "w")
|
||||
fh:write(cin)
|
||||
fh:close()
|
||||
local lmh = io.popen("luamin -f "..fn.." 2>&1", "r")
|
||||
local dat = lmh:read("*a")
|
||||
local stat, _, code = lmh:close()
|
||||
if (code ~= 0) then
|
||||
return false, dat
|
||||
end
|
||||
return dat
|
||||
end
|
||||
|
||||
function providers.none(cin)
|
||||
return cin
|
||||
end
|
||||
|
||||
local argparse = require("argparse")
|
||||
|
||||
local parser = argparse(arg[0], "LuaComp v"..LUACOMP_VERSION.."\nA Lua preprocessor+postprocessor.")
|
||||
parser:argument("input", "Input file (- for STDIN)")
|
||||
parser:option("-O --output", "Output file. (- for STDOUT)", "-")
|
||||
parser:option("-m --minifier", "Sets the minifier", "none")
|
||||
parser:option("-x --executable", "Makes the script an executable (default: current lua version)"):args "?"
|
||||
local args = parser:parse()
|
||||
local file = args.input
|
||||
local f
|
||||
if (file ~= "-") then
|
||||
f = io.open(file, "r")
|
||||
if not f then
|
||||
io.stderr:write("ERROR: File `"..file.."' does not exist!\n")
|
||||
os.exit(1)
|
||||
end
|
||||
else
|
||||
f = io.stdin
|
||||
end
|
||||
local ast = mkast(f, file)
|
||||
local ocode = generate(ast)
|
||||
|
||||
local minifier = providers[args.minifier]
|
||||
|
||||
local rcode = minifier(ocode)
|
||||
|
||||
local of
|
||||
if (args.output == "-") then
|
||||
of = io.stdout
|
||||
else
|
||||
of = io.open(args.output, "w")
|
||||
end
|
||||
local ver = _VERSION:lower():gsub(" ", "")
|
||||
if jit then
|
||||
ver = "luajit"
|
||||
end
|
||||
if (args.executable) then
|
||||
of:write("#!/usr/bin/env ", args.executable[1] or ver, "\n")
|
||||
end
|
||||
of:write(rcode)
|
||||
of:close()
|
||||
f:close()
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,514 +0,0 @@
|
||||
#!/usr/bin/env lua
|
||||
--[[
|
||||
init.lua - Main file of LuaComp
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
|
||||
local function _sv(k, v)
|
||||
_G[k] = v
|
||||
--os.setenv(k, tostring(v))
|
||||
end
|
||||
|
||||
_sv("LUACOMP_V_MAJ", 1)
|
||||
_sv("LUACOMP_V_MIN", 1)
|
||||
_sv("LUACOMP_V_PAT", 0)
|
||||
_sv("LUACOMP_VERSION", LUACOMP_V_MAJ.."."..LUACOMP_V_MIN.."."..LUACOMP_V_PAT)
|
||||
_sv("LUACOMP_NAME", "LuaComp")
|
||||
|
||||
--[[
|
||||
ast.lua - Generates a structure for use in preprocessing.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function nextc(f, c)
|
||||
c = c or 1
|
||||
return f:read(c)
|
||||
end
|
||||
|
||||
local function peek(f, c)
|
||||
c = c or 1
|
||||
local z = f:read(c)
|
||||
f:seek("cur", -c)
|
||||
return z
|
||||
end
|
||||
|
||||
local function skip(f, c)
|
||||
c = c or 1
|
||||
return f:seek("cur", c)
|
||||
end
|
||||
|
||||
local ws = {
|
||||
["\t"] = true,
|
||||
[" "] = true
|
||||
}
|
||||
|
||||
local function parse_hex(f)
|
||||
local lc = " "
|
||||
local hex = ""
|
||||
while (48 <= lc:byte() and lc:byte() <= 57) or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte()) <= 57 or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) then
|
||||
hex = hex .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 16)
|
||||
end
|
||||
|
||||
local function parse_number(f, c)
|
||||
local lc = " "
|
||||
local num = c
|
||||
while 48 <= lc:byte() and lc:byte() <= 57 do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte() <= 57) then
|
||||
num = num .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 10)
|
||||
end
|
||||
|
||||
local esct = {
|
||||
["t"] = "\t",
|
||||
["n"] = "\n",
|
||||
["r"] = "\r",
|
||||
["\\"] = "\\\\"
|
||||
}
|
||||
|
||||
for i=0, 9 do
|
||||
esct[tostring(i)] = string.char(i)
|
||||
end
|
||||
|
||||
local function parse_dblquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\"" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_snglquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\'" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_envarg(f)
|
||||
local val = ""
|
||||
while peek(f) ~= ")" do
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_directive(f)
|
||||
local lc = "_"
|
||||
local name = ""
|
||||
local args = {}
|
||||
local carg = ""
|
||||
while not ws[lc] do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name}
|
||||
elseif not ws[lc] then
|
||||
name = name .. lc
|
||||
end
|
||||
end
|
||||
while true do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name, args=args}
|
||||
elseif lc == "0" and peek(f) == "x" then
|
||||
skip(f)
|
||||
local val = parse_hex(f)
|
||||
args[#args+1] = val
|
||||
elseif 48 <= lc:byte() and lc:byte() <= 57 then
|
||||
local val = parse_number(f, lc)
|
||||
args[#args+1] = val
|
||||
elseif lc == "\"" then
|
||||
local val, e = parse_dblquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "\'" then
|
||||
local val, e = parse_snglquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "$" and peek(f) == "(" then
|
||||
skip(f)
|
||||
local val = parse_envarg(f)
|
||||
if not os.getenv(val) then return nil, "Enviroment variable `"..val.."' does not exist." end
|
||||
args[#args+1] = os.getenv(val)
|
||||
elseif not ws[lc] then
|
||||
return nil, "Syntax error"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function mkast(f, n)
|
||||
io.stderr:write("PROC\t",n,"\n")
|
||||
local lc = " "
|
||||
local lpos = 1
|
||||
local ilpos = 1
|
||||
local tree = {}
|
||||
local code = ""
|
||||
local branches = {}
|
||||
local function add_code()
|
||||
tree[#tree+1] = {type="code", data=code, file=n, line=lpos}
|
||||
code = ""
|
||||
end
|
||||
local function parse_error(e)
|
||||
io.stderr:write("ERROR:"..n..":"..lpos..": "..e.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
while lc and lc ~= "" do
|
||||
lc = nextc(f)
|
||||
if (lc == "-" and ilpos == 1) then
|
||||
if (peek(f, 2) == "-#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "/" and ilpos == 1) then
|
||||
if (peek(f, 2) == "/#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "$" and peek(f) == "(") then
|
||||
add_code()
|
||||
skip(f)
|
||||
local val, e = parse_envarg(f)
|
||||
if not val then
|
||||
parse_error(e)
|
||||
end
|
||||
tree[#tree+1] = {type="envvar", var=val, file=n, line=lpos}
|
||||
elseif (lc == "@" and peek(f, 2) == "[[") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "]]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "@" and peek(f, 2) == "[{") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "}]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua_r", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "\r" or lc == "\n") then
|
||||
if (lc == "\r" and peek(f) == "\n") then
|
||||
skip(f)
|
||||
end
|
||||
lpos = lpos+1
|
||||
ilpos = 1
|
||||
code = code .. "\n"
|
||||
else
|
||||
code = code .. (lc or "")
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
end
|
||||
add_code()
|
||||
return tree
|
||||
end
|
||||
|
||||
--[[
|
||||
generator.lua - Generates the code.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function lua_escape(code)
|
||||
return code:gsub("\\", "\\\\"):gsub("\"", "\\\""):gsub("\n", "\\n")
|
||||
end
|
||||
|
||||
local directives = {}
|
||||
|
||||
local function generate(ast)
|
||||
local lua_code = ""
|
||||
for i=1, #ast do
|
||||
local leaf = ast[i]
|
||||
if (leaf.type == "lua") then
|
||||
lua_code = lua_code .. leaf.code
|
||||
elseif (leaf.type == "directive") then
|
||||
local stargs = {}
|
||||
for i=1, #leaf.args do
|
||||
local arg = leaf.args[i]
|
||||
if (type(arg) == "string") then
|
||||
stargs[i] = "\""..lua_escape(arg).."\""
|
||||
elseif (type(arg) == "number") then
|
||||
stargs[i] = tostring(arg)
|
||||
end
|
||||
end
|
||||
lua_code = lua_code .. "call_directive(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.name.."\","..table.concat(stargs, ",")..")"
|
||||
elseif (leaf.type == "envvar") then
|
||||
lua_code = lua_code .. "put_env(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.var.."\")"
|
||||
elseif (leaf.type == "code") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",\"" .. lua_escape(leaf.data) .. "\")"
|
||||
elseif (leaf.type == "lua_r") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",tostring("..leaf.code.."))"
|
||||
else
|
||||
io.stderr:write("ERROR: Internal catastrophic failure, unknown type "..leaf.type.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
lua_code = lua_code .. "\n"
|
||||
end
|
||||
local env = {code = ""}
|
||||
local function run_away_screaming(fpos, err)
|
||||
io.stdout:write("ERROR: "..fpos..": "..err.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
local function call_directive(fpos, dname, ...)
|
||||
if (not directives[dname]) then
|
||||
run_away_screaming(fpos, "Invalid directive name `"..dname.."'")
|
||||
end
|
||||
local r, er = directives[dname](env, ...)
|
||||
if (not r) then
|
||||
run_away_screaming(fpos, er)
|
||||
end
|
||||
end
|
||||
local function put_env(fpos, evar)
|
||||
local e = os.getenv(evar)
|
||||
if not e then
|
||||
run_away_screaming(fpos, "Enviroment variable `"..evar.."' does not exist!")
|
||||
end
|
||||
env.code = env.code .. "\""..lua_escape(e).."\""
|
||||
end
|
||||
local function put_code(fpos, code)
|
||||
env.code = env.code .. code --not much that can fail here...
|
||||
end
|
||||
local fenv = {}
|
||||
for k, v in pairs(_G) do
|
||||
fenv[k] = v
|
||||
end
|
||||
fenv._G = fenv
|
||||
fenv._ENV = fenv
|
||||
fenv.call_directive = call_directive
|
||||
fenv.put_code = put_code
|
||||
fenv.put_env = put_env
|
||||
local func = assert(load(lua_code, "=(generated code)", "t", fenv))
|
||||
func()
|
||||
return env.code
|
||||
end
|
||||
|
||||
--[[
|
||||
directive_provider.lua - Provides preprocessor directives
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
---#include "directives/define.lua"
|
||||
|
||||
function directives.include(env, file)
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "File `"..file.."' does not exist!"
|
||||
end
|
||||
local f = io.open(file, "r")
|
||||
local fast = mkast(f, file)
|
||||
local code = generate(fast)
|
||||
env.code = env.code .. "\n" .. code .. "\n"
|
||||
return true
|
||||
end
|
||||
|
||||
local warned = false
|
||||
function directives.loadmod(env, mod)
|
||||
if not warned then
|
||||
io.stderr:write("Warning: loadmod is depreciated and unsafe. The API differs from luapreproc.\n")
|
||||
warned = true
|
||||
end
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "Module `"..file.."' does not exist!"
|
||||
end
|
||||
local modname, func = dofile(mod)
|
||||
directives[modname] = func
|
||||
return true
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
cfg/minifier_providers.lua - Provides minifier providers.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local providers = {}
|
||||
|
||||
function providers.luamin(cin)
|
||||
local fn = os.tmpname()
|
||||
local fh = io.open(fn, "w")
|
||||
fh:write(cin)
|
||||
fh:close()
|
||||
local lmh = io.popen("luamin -f "..fn.." 2>&1", "r")
|
||||
local dat = lmh:read("*a")
|
||||
local stat, _, code = lmh:close()
|
||||
if (code ~= 0) then
|
||||
return false, dat
|
||||
end
|
||||
return dat
|
||||
end
|
||||
|
||||
function providers.none(cin)
|
||||
return cin
|
||||
end
|
||||
|
||||
local argparse = require("argparse")
|
||||
|
||||
local parser = argparse(arg[0], "LuaComp v"..LUACOMP_VERSION.."\nA Lua preprocessor+postprocessor.")
|
||||
parser:argument("input", "Input file (- for STDIN)")
|
||||
parser:option("-O --output", "Output file. (- for STDOUT)", "-")
|
||||
parser:option("-m --minifier", "Sets the minifier", "none")
|
||||
parser:option("-x --executable", "Makes the script an executable (default: current lua version)"):args "?"
|
||||
local args = parser:parse()
|
||||
local file = args.input
|
||||
local f
|
||||
if (file ~= "-") then
|
||||
f = io.open(file, "r")
|
||||
if not f then
|
||||
io.stderr:write("ERROR: File `"..file.."' does not exist!\n")
|
||||
os.exit(1)
|
||||
end
|
||||
else
|
||||
f = io.stdin
|
||||
end
|
||||
local ast = mkast(f, file)
|
||||
local ocode = generate(ast)
|
||||
|
||||
local minifier = providers[args.minifier]
|
||||
|
||||
local rcode = minifier(ocode)
|
||||
|
||||
local of
|
||||
if (args.output == "-") then
|
||||
of = io.stdout
|
||||
else
|
||||
of = io.open(args.output, "w")
|
||||
end
|
||||
local ver = _VERSION:lower():gsub(" ", "")
|
||||
if jit then
|
||||
ver = "luajit"
|
||||
end
|
||||
if (args.executable) then
|
||||
of:write("#!/usr/bin/env ", args.executable[1] or ver, "\n")
|
||||
end
|
||||
of:write(rcode)
|
||||
of:close()
|
||||
f:close()
|
||||
File diff suppressed because it is too large
Load Diff
@ -1,514 +0,0 @@
|
||||
#!/usr/bin/env luajit
|
||||
--[[
|
||||
init.lua - Main file of LuaComp
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
|
||||
local function _sv(k, v)
|
||||
_G[k] = v
|
||||
--os.setenv(k, tostring(v))
|
||||
end
|
||||
|
||||
_sv("LUACOMP_V_MAJ", 1)
|
||||
_sv("LUACOMP_V_MIN", 1)
|
||||
_sv("LUACOMP_V_PAT", 0)
|
||||
_sv("LUACOMP_VERSION", LUACOMP_V_MAJ.."."..LUACOMP_V_MIN.."."..LUACOMP_V_PAT)
|
||||
_sv("LUACOMP_NAME", "LuaComp")
|
||||
|
||||
--[[
|
||||
ast.lua - Generates a structure for use in preprocessing.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function nextc(f, c)
|
||||
c = c or 1
|
||||
return f:read(c)
|
||||
end
|
||||
|
||||
local function peek(f, c)
|
||||
c = c or 1
|
||||
local z = f:read(c)
|
||||
f:seek("cur", -c)
|
||||
return z
|
||||
end
|
||||
|
||||
local function skip(f, c)
|
||||
c = c or 1
|
||||
return f:seek("cur", c)
|
||||
end
|
||||
|
||||
local ws = {
|
||||
["\t"] = true,
|
||||
[" "] = true
|
||||
}
|
||||
|
||||
local function parse_hex(f)
|
||||
local lc = " "
|
||||
local hex = ""
|
||||
while (48 <= lc:byte() and lc:byte() <= 57) or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte()) <= 57 or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) then
|
||||
hex = hex .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 16)
|
||||
end
|
||||
|
||||
local function parse_number(f, c)
|
||||
local lc = " "
|
||||
local num = c
|
||||
while 48 <= lc:byte() and lc:byte() <= 57 do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte() <= 57) then
|
||||
num = num .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 10)
|
||||
end
|
||||
|
||||
local esct = {
|
||||
["t"] = "\t",
|
||||
["n"] = "\n",
|
||||
["r"] = "\r",
|
||||
["\\"] = "\\\\"
|
||||
}
|
||||
|
||||
for i=0, 9 do
|
||||
esct[tostring(i)] = string.char(i)
|
||||
end
|
||||
|
||||
local function parse_dblquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\"" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_snglquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\'" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_envarg(f)
|
||||
local val = ""
|
||||
while peek(f) ~= ")" do
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_directive(f)
|
||||
local lc = "_"
|
||||
local name = ""
|
||||
local args = {}
|
||||
local carg = ""
|
||||
while not ws[lc] do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name}
|
||||
elseif not ws[lc] then
|
||||
name = name .. lc
|
||||
end
|
||||
end
|
||||
while true do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name, args=args}
|
||||
elseif lc == "0" and peek(f) == "x" then
|
||||
skip(f)
|
||||
local val = parse_hex(f)
|
||||
args[#args+1] = val
|
||||
elseif 48 <= lc:byte() and lc:byte() <= 57 then
|
||||
local val = parse_number(f, lc)
|
||||
args[#args+1] = val
|
||||
elseif lc == "\"" then
|
||||
local val, e = parse_dblquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "\'" then
|
||||
local val, e = parse_snglquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "$" and peek(f) == "(" then
|
||||
skip(f)
|
||||
local val = parse_envarg(f)
|
||||
if not os.getenv(val) then return nil, "Enviroment variable `"..val.."' does not exist." end
|
||||
args[#args+1] = os.getenv(val)
|
||||
elseif not ws[lc] then
|
||||
return nil, "Syntax error"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function mkast(f, n)
|
||||
io.stderr:write("PROC\t",n,"\n")
|
||||
local lc = " "
|
||||
local lpos = 1
|
||||
local ilpos = 1
|
||||
local tree = {}
|
||||
local code = ""
|
||||
local branches = {}
|
||||
local function add_code()
|
||||
tree[#tree+1] = {type="code", data=code, file=n, line=lpos}
|
||||
code = ""
|
||||
end
|
||||
local function parse_error(e)
|
||||
io.stderr:write("ERROR:"..n..":"..lpos..": "..e.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
while lc and lc ~= "" do
|
||||
lc = nextc(f)
|
||||
if (lc == "-" and ilpos == 1) then
|
||||
if (peek(f, 2) == "-#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "/" and ilpos == 1) then
|
||||
if (peek(f, 2) == "/#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "$" and peek(f) == "(") then
|
||||
add_code()
|
||||
skip(f)
|
||||
local val, e = parse_envarg(f)
|
||||
if not val then
|
||||
parse_error(e)
|
||||
end
|
||||
tree[#tree+1] = {type="envvar", var=val, file=n, line=lpos}
|
||||
elseif (lc == "@" and peek(f, 2) == "[[") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "]]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "@" and peek(f, 2) == "[{") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "}]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua_r", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "\r" or lc == "\n") then
|
||||
if (lc == "\r" and peek(f) == "\n") then
|
||||
skip(f)
|
||||
end
|
||||
lpos = lpos+1
|
||||
ilpos = 1
|
||||
code = code .. "\n"
|
||||
else
|
||||
code = code .. (lc or "")
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
end
|
||||
add_code()
|
||||
return tree
|
||||
end
|
||||
|
||||
--[[
|
||||
generator.lua - Generates the code.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function lua_escape(code)
|
||||
return code:gsub("\\", "\\\\"):gsub("\"", "\\\""):gsub("\n", "\\n")
|
||||
end
|
||||
|
||||
local directives = {}
|
||||
|
||||
local function generate(ast)
|
||||
local lua_code = ""
|
||||
for i=1, #ast do
|
||||
local leaf = ast[i]
|
||||
if (leaf.type == "lua") then
|
||||
lua_code = lua_code .. leaf.code
|
||||
elseif (leaf.type == "directive") then
|
||||
local stargs = {}
|
||||
for i=1, #leaf.args do
|
||||
local arg = leaf.args[i]
|
||||
if (type(arg) == "string") then
|
||||
stargs[i] = "\""..lua_escape(arg).."\""
|
||||
elseif (type(arg) == "number") then
|
||||
stargs[i] = tostring(arg)
|
||||
end
|
||||
end
|
||||
lua_code = lua_code .. "call_directive(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.name.."\","..table.concat(stargs, ",")..")"
|
||||
elseif (leaf.type == "envvar") then
|
||||
lua_code = lua_code .. "put_env(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.var.."\")"
|
||||
elseif (leaf.type == "code") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",\"" .. lua_escape(leaf.data) .. "\")"
|
||||
elseif (leaf.type == "lua_r") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",tostring("..leaf.code.."))"
|
||||
else
|
||||
io.stderr:write("ERROR: Internal catastrophic failure, unknown type "..leaf.type.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
lua_code = lua_code .. "\n"
|
||||
end
|
||||
local env = {code = ""}
|
||||
local function run_away_screaming(fpos, err)
|
||||
io.stdout:write("ERROR: "..fpos..": "..err.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
local function call_directive(fpos, dname, ...)
|
||||
if (not directives[dname]) then
|
||||
run_away_screaming(fpos, "Invalid directive name `"..dname.."'")
|
||||
end
|
||||
local r, er = directives[dname](env, ...)
|
||||
if (not r) then
|
||||
run_away_screaming(fpos, er)
|
||||
end
|
||||
end
|
||||
local function put_env(fpos, evar)
|
||||
local e = os.getenv(evar)
|
||||
if not e then
|
||||
run_away_screaming(fpos, "Enviroment variable `"..evar.."' does not exist!")
|
||||
end
|
||||
env.code = env.code .. "\""..lua_escape(e).."\""
|
||||
end
|
||||
local function put_code(fpos, code)
|
||||
env.code = env.code .. code --not much that can fail here...
|
||||
end
|
||||
local fenv = {}
|
||||
for k, v in pairs(_G) do
|
||||
fenv[k] = v
|
||||
end
|
||||
fenv._G = fenv
|
||||
fenv._ENV = fenv
|
||||
fenv.call_directive = call_directive
|
||||
fenv.put_code = put_code
|
||||
fenv.put_env = put_env
|
||||
local func = assert(load(lua_code, "=(generated code)", "t", fenv))
|
||||
func()
|
||||
return env.code
|
||||
end
|
||||
|
||||
--[[
|
||||
directive_provider.lua - Provides preprocessor directives
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
---#include "directives/define.lua"
|
||||
|
||||
function directives.include(env, file)
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "File `"..file.."' does not exist!"
|
||||
end
|
||||
local f = io.open(file, "r")
|
||||
local fast = mkast(f, file)
|
||||
local code = generate(fast)
|
||||
env.code = env.code .. "\n" .. code .. "\n"
|
||||
return true
|
||||
end
|
||||
|
||||
local warned = false
|
||||
function directives.loadmod(env, mod)
|
||||
if not warned then
|
||||
io.stderr:write("Warning: loadmod is depreciated and unsafe. The API differs from luapreproc.\n")
|
||||
warned = true
|
||||
end
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "Module `"..file.."' does not exist!"
|
||||
end
|
||||
local modname, func = dofile(mod)
|
||||
directives[modname] = func
|
||||
return true
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
cfg/minifier_providers.lua - Provides minifier providers.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local providers = {}
|
||||
|
||||
function providers.luamin(cin)
|
||||
local fn = os.tmpname()
|
||||
local fh = io.open(fn, "w")
|
||||
fh:write(cin)
|
||||
fh:close()
|
||||
local lmh = io.popen("luamin -f "..fn.." 2>&1", "r")
|
||||
local dat = lmh:read("*a")
|
||||
local stat, _, code = lmh:close()
|
||||
if (code ~= 0) then
|
||||
return false, dat
|
||||
end
|
||||
return dat
|
||||
end
|
||||
|
||||
function providers.none(cin)
|
||||
return cin
|
||||
end
|
||||
|
||||
local argparse = require("argparse")
|
||||
|
||||
local parser = argparse(arg[0], "LuaComp v"..LUACOMP_VERSION.."\nA Lua preprocessor+postprocessor.")
|
||||
parser:argument("input", "Input file (- for STDIN)")
|
||||
parser:option("-O --output", "Output file. (- for STDOUT)", "-")
|
||||
parser:option("-m --minifier", "Sets the minifier", "none")
|
||||
parser:option("-x --executable", "Makes the script an executable (default: current lua version)"):args "?"
|
||||
local args = parser:parse()
|
||||
local file = args.input
|
||||
local f
|
||||
if (file ~= "-") then
|
||||
f = io.open(file, "r")
|
||||
if not f then
|
||||
io.stderr:write("ERROR: File `"..file.."' does not exist!\n")
|
||||
os.exit(1)
|
||||
end
|
||||
else
|
||||
f = io.stdin
|
||||
end
|
||||
local ast = mkast(f, file)
|
||||
local ocode = generate(ast)
|
||||
|
||||
local minifier = providers[args.minifier]
|
||||
|
||||
local rcode = minifier(ocode)
|
||||
|
||||
local of
|
||||
if (args.output == "-") then
|
||||
of = io.stdout
|
||||
else
|
||||
of = io.open(args.output, "w")
|
||||
end
|
||||
local ver = _VERSION:lower():gsub(" ", "")
|
||||
if jit then
|
||||
ver = "luajit"
|
||||
end
|
||||
if (args.executable) then
|
||||
of:write("#!/usr/bin/env ", args.executable[1] or ver, "\n")
|
||||
end
|
||||
of:write(rcode)
|
||||
of:close()
|
||||
f:close()
|
||||
494
luacomp2.lua
494
luacomp2.lua
@ -1,494 +0,0 @@
|
||||
#!/usr/bin/env lua5.3
|
||||
--[[
|
||||
init.lua - Main file of LuaComp
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
|
||||
local function _sv(k, v)
|
||||
_G[k] = v
|
||||
--os.setenv(k, tostring(v))
|
||||
end
|
||||
|
||||
_sv("LUACOMP_V_MAJ", 1)
|
||||
_sv("LUACOMP_V_MIN", 0)
|
||||
_sv("LUACOMP_V_PAT", 0)
|
||||
_sv("LUACOMP_VERSION", LUACOMP_V_MAJ.."."..LUACOMP_V_MIN.."."..LUACOMP_V_PAT)
|
||||
_sv("LUACOMP_NAME", "LuaComp")
|
||||
|
||||
--[[
|
||||
ast.lua - Generates a structure for use in preprocessing.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function nextc(f, c)
|
||||
c = c or 1
|
||||
return f:read(c)
|
||||
end
|
||||
|
||||
local function peek(f, c)
|
||||
c = c or 1
|
||||
local z = f:read(c)
|
||||
f:seek("cur", -c)
|
||||
return z
|
||||
end
|
||||
|
||||
local function skip(f, c)
|
||||
c = c or 1
|
||||
return f:seek("cur", c)
|
||||
end
|
||||
|
||||
local ws = {
|
||||
["\t"] = true,
|
||||
[" "] = true
|
||||
}
|
||||
|
||||
local function parse_hex(f)
|
||||
local lc = " "
|
||||
local hex = ""
|
||||
while (48 <= lc:byte() and lc:byte() <= 57) or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte()) <= 57 or (97 <= lc:byte() and lc:byte() <= 102) or (65 <= lc:byte() and lc:byte() <= 70) then
|
||||
hex = hex .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 16)
|
||||
end
|
||||
|
||||
local function parse_number(f, c)
|
||||
local lc = " "
|
||||
local num = c
|
||||
while 48 <= lc:byte() and lc:byte() <= 57 do
|
||||
lc = nextc(f)
|
||||
if (48 <= lc:byte() and lc:byte() <= 57) then
|
||||
num = num .. lc
|
||||
end
|
||||
end
|
||||
return tonumber(hex, 10)
|
||||
end
|
||||
|
||||
local esct = {
|
||||
["t"] = "\t",
|
||||
["n"] = "\n",
|
||||
["r"] = "\r",
|
||||
["\\"] = "\\\\"
|
||||
}
|
||||
|
||||
for i=0, 9 do
|
||||
esct[tostring(i)] = string.char(i)
|
||||
end
|
||||
|
||||
local function parse_dblquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\"" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_snglquote(f)
|
||||
local val = ""
|
||||
while peek(f) ~= "\'" do
|
||||
local c = nextc(f)
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
if (c == "\\") then
|
||||
if (esct[peek(f)]) then
|
||||
c = esct[peek(f)]
|
||||
skip(f)
|
||||
else
|
||||
c = nextc(f)
|
||||
end
|
||||
end
|
||||
val = val .. c
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_envarg(f)
|
||||
local val = ""
|
||||
while peek(f) ~= ")" do
|
||||
if (peek(f) == "\n" or peek(f) == "\r") then
|
||||
return nil, "Unexpected end of line"
|
||||
end
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
skip(f)
|
||||
return val
|
||||
end
|
||||
|
||||
local function parse_directive(f)
|
||||
local lc = "_"
|
||||
local name = ""
|
||||
local args = {}
|
||||
local carg = ""
|
||||
while not ws[lc] do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name}
|
||||
elseif not ws[lc] then
|
||||
name = name .. lc
|
||||
end
|
||||
end
|
||||
while true do
|
||||
lc = nextc(f)
|
||||
if (lc == "\n" or lc == "\r") then
|
||||
if (lc == "\r" and peek(f) == "\n") then skip(f) end
|
||||
return {type="directive", name=name, args=args}
|
||||
elseif lc == "0" and peek(f) == "x" then
|
||||
skip(f)
|
||||
local val = parse_hex(f)
|
||||
args[#args+1] = val
|
||||
elseif 48 <= lc:byte() and lc:byte() <= 57 then
|
||||
local val = parse_number(f, lc)
|
||||
args[#args+1] = val
|
||||
elseif lc == "\"" then
|
||||
local val, e = parse_dblquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "\'" then
|
||||
local val, e = parse_snglquote(f)
|
||||
if not val then return val, e end
|
||||
args[#args+1] = val
|
||||
elseif lc == "$" and peek(f) == "(" then
|
||||
skip(f)
|
||||
local val = parse_envarg(f)
|
||||
if not os.getenv(val) then return nil, "Enviroment variable `"..val.."' does not exist." end
|
||||
args[#args+1] = os.getenv(val)
|
||||
elseif not ws[lc] then
|
||||
return nil, "Syntax error"
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local function mkast(f, n)
|
||||
io.stderr:write("PROC\t",n,"\n")
|
||||
local lc = " "
|
||||
local lpos = 1
|
||||
local ilpos = 1
|
||||
local tree = {}
|
||||
local code = ""
|
||||
local branches = {}
|
||||
local function add_code()
|
||||
tree[#tree+1] = {type="code", data=code, file=n, line=lpos}
|
||||
code = ""
|
||||
end
|
||||
local function parse_error(e)
|
||||
io.stderr:write("ERROR:"..n..":"..lpos..": "..e.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
while lc and lc ~= "" do
|
||||
lc = nextc(f)
|
||||
if (lc == "-" and ilpos == 1) then
|
||||
if (peek(f, 2) == "-#") then --Directive
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local d, r = parse_directive(f)
|
||||
if not d then
|
||||
parse_error(r)
|
||||
end
|
||||
d.line = lpos
|
||||
d.file = n
|
||||
lpos = lpos+1
|
||||
tree[#tree+1] = d
|
||||
else
|
||||
code = code .. lc
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
elseif (lc == "$" and peek(f) == "(") then
|
||||
add_code()
|
||||
skip(f)
|
||||
local val, e = parse_envarg(f)
|
||||
if not val then
|
||||
parse_error(e)
|
||||
end
|
||||
tree[#tree+1] = {type="envvar", var=val, file=n, line=lpos}
|
||||
elseif (lc == "@" and peek(f, 2) == "[[") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "]]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "@" and peek(f, 2) == "[{") then
|
||||
add_code()
|
||||
skip(f, 2)
|
||||
local val = ""
|
||||
while peek(f, 2) ~= "}]" do
|
||||
val = val .. nextc(f)
|
||||
end
|
||||
tree[#tree+1] = {type="lua_r", code=val, file=n, line=lpos}
|
||||
skip(f, 2)
|
||||
elseif (lc == "\r" or lc == "\n") then
|
||||
if (lc == "\r" and peek(f) == "\n") then
|
||||
skip(f)
|
||||
end
|
||||
lpos = lpos+1
|
||||
ilpos = 1
|
||||
code = code .. "\n"
|
||||
else
|
||||
code = code .. (lc or "")
|
||||
ilpos = ilpos+1
|
||||
end
|
||||
end
|
||||
add_code()
|
||||
return tree
|
||||
end
|
||||
|
||||
--[[
|
||||
generator.lua - Generates the code.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local function lua_escape(code)
|
||||
return code:gsub("\\", "\\\\"):gsub("\"", "\\\""):gsub("\n", "\\n")
|
||||
end
|
||||
|
||||
local directives = {}
|
||||
|
||||
local function generate(ast)
|
||||
local lua_code = ""
|
||||
for i=1, #ast do
|
||||
local leaf = ast[i]
|
||||
if (leaf.type == "lua") then
|
||||
lua_code = lua_code .. leaf.code
|
||||
elseif (leaf.type == "directive") then
|
||||
local stargs = {}
|
||||
for i=1, #leaf.args do
|
||||
local arg = leaf.args[i]
|
||||
if (type(arg) == "string") then
|
||||
stargs[i] = "\""..lua_escape(arg).."\""
|
||||
elseif (type(arg) == "number") then
|
||||
stargs[i] = tostring(arg)
|
||||
end
|
||||
end
|
||||
lua_code = lua_code .. "call_directive(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.name.."\","..table.concat(stargs, ",")..")"
|
||||
elseif (leaf.type == "envvar") then
|
||||
lua_code = lua_code .. "put_env(\""..leaf.file..":"..tostring(leaf.line).."\",\""..leaf.var.."\")"
|
||||
elseif (leaf.type == "code") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",\"" .. lua_escape(leaf.data) .. "\")"
|
||||
elseif (leaf.type == "lua_r") then
|
||||
lua_code = lua_code .. "put_code(\""..leaf.file..":"..tostring(leaf.line).."\",tostring("..leaf.code.."))"
|
||||
else
|
||||
io.stderr:write("ERROR: Internal catastrophic failure, unknown type "..leaf.type.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
lua_code = lua_code .. "\n"
|
||||
end
|
||||
local env = {code = ""}
|
||||
local function run_away_screaming(fpos, err)
|
||||
io.stdout:write("ERROR: "..fpos..": "..err.."\n")
|
||||
os.exit(1)
|
||||
end
|
||||
local function call_directive(fpos, dname, ...)
|
||||
if (not directives[dname]) then
|
||||
run_away_screaming(fpos, "Invalid directive name `"..dname.."'")
|
||||
end
|
||||
local r, er = directives[dname](env, ...)
|
||||
if (not r) then
|
||||
run_away_screaming(fpos, er)
|
||||
end
|
||||
end
|
||||
local function put_env(fpos, evar)
|
||||
local e = os.getenv(evar)
|
||||
if not e then
|
||||
run_away_screaming(fpos, "Enviroment variable `"..evar.."' does not exist!")
|
||||
end
|
||||
env.code = env.code .. "\""..lua_escape(e).."\""
|
||||
end
|
||||
local function put_code(fpos, code)
|
||||
env.code = env.code .. code --not much that can fail here...
|
||||
end
|
||||
local fenv = {}
|
||||
for k, v in pairs(_G) do
|
||||
fenv[k] = v
|
||||
end
|
||||
fenv._G = fenv
|
||||
fenv._ENV = fenv
|
||||
fenv.call_directive = call_directive
|
||||
fenv.put_code = put_code
|
||||
fenv.put_env = put_env
|
||||
local func = assert(load(lua_code, "=(generated code)", "t", fenv))
|
||||
func()
|
||||
return env.code
|
||||
end
|
||||
|
||||
--[[
|
||||
directive_provider.lua - Provides preprocessor directives
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
---#include "directives/define.lua"
|
||||
|
||||
function directives.include(env, file)
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "File `"..file.."' does not exist!"
|
||||
end
|
||||
local f = io.open(file, "r")
|
||||
local fast = mkast(f, file)
|
||||
local code = generate(fast)
|
||||
env.code = env.code .. "\n" .. code .. "\n"
|
||||
return true
|
||||
end
|
||||
|
||||
local warned = false
|
||||
function directives.loadmod(env, mod)
|
||||
if not warned then
|
||||
io.stderr:write("Warning: loadmod is depreciated and unsafe. The API differs from luapreproc.\n")
|
||||
warned = true
|
||||
end
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
return false, "Module `"..file.."' does not exist!"
|
||||
end
|
||||
local modname, func = dofile(mod)
|
||||
directives[modname] = func
|
||||
return true
|
||||
end
|
||||
|
||||
|
||||
--[[
|
||||
cfg/minifier_providers.lua - Provides minifier providers.
|
||||
|
||||
Copyright 2019 Adorable-Catgirl
|
||||
|
||||
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.
|
||||
]]
|
||||
|
||||
local providers = {}
|
||||
|
||||
function providers.luamin(cin)
|
||||
local fn = os.tmpname()
|
||||
local fh = io.open(fn, "w")
|
||||
fh:write(cin)
|
||||
fh:close()
|
||||
local lmh = io.popen("luamin -f "..fn.." 2>&1", "r")
|
||||
local dat = lmh:read("*a")
|
||||
local stat, _, code = lmh:close()
|
||||
if (code ~= 0) then
|
||||
return false, dat
|
||||
end
|
||||
return dat
|
||||
end
|
||||
|
||||
function providers.none(cin)
|
||||
return cin
|
||||
end
|
||||
|
||||
local argparse = require("argparse")
|
||||
|
||||
local parser = argparse(arg[0], "LuaComp v"..LUACOMP_VERSION.."\nA Lua preprocessor+postprocessor.")
|
||||
parser:argument("input", "Input file (- for STDIN)")
|
||||
parser:option("-O --output", "Output file. (- for STDOUT)", "-")
|
||||
parser:option("-m --minifier", "Sets the minifier", "none")
|
||||
parser:flag("-x --executable", "Makes the script an executable")
|
||||
local args = parser:parse()
|
||||
local file = args.input
|
||||
local f
|
||||
if (file ~= "-") then
|
||||
if (not os.execute("stat "..file..">/dev/null")) then
|
||||
io.stderr:write("ERROR: File `"..file.."' does not exist!\n")
|
||||
os.exit(1)
|
||||
end
|
||||
f = io.open(file, "r")
|
||||
else
|
||||
file = io.stdin
|
||||
end
|
||||
local ast = mkast(f, file)
|
||||
local ocode = generate(ast)
|
||||
|
||||
local minifier = providers[args.minifier]
|
||||
|
||||
local rcode = minifier(ocode)
|
||||
|
||||
local of
|
||||
if (args.output == "-") then
|
||||
of = io.stdout
|
||||
else
|
||||
of = io.open(args.output, "w")
|
||||
end
|
||||
if (args.executable) then
|
||||
of:write("#!/usr/bin/env lua5.3\n")
|
||||
end
|
||||
of:write(rcode)
|
||||
of:close()
|
||||
f:close()
|
||||
2044
luacomp_test.lua
2044
luacomp_test.lua
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user