#
# BSD 3-Clause License
#
# Copyright (c) 2018 - 2023, Oleg Malyavkin
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice, this
# list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
#
# * Neither the name of the copyright holder nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
extends Node
const PROTO_VERSION_CONST : String = "const PROTO_VERSION = "
const PROTO_VERSION_DEFAULT : String = PROTO_VERSION_CONST + "0"
class Document:
func _init(doc_name : String, doc_text : String):
name = doc_name
text = doc_text
var name : String
var text : String
class TokenPosition:
func _init(b : int, e : int):
begin = b
end = e
var begin : int = 0
var end : int = 0
class Helper:
class StringPosition:
func _init(s : int, c : int, l : int):
str_num = s
column = c
length = l
var str_num : int
var column : int
var length : int
static func str_pos(text : String, position : TokenPosition) -> StringPosition:
var cur_str : int = 1
var cur_col : int = 1
var res_str : int = 0
var res_col : int = 0
var res_length : int = 0
for i in range(text.length()):
if text[i] == "\n":
cur_str += 1
cur_col = 0
if position.begin == i:
res_str = cur_str
res_col = cur_col
res_length = position.end - position.begin + 1
break
cur_col += 1
return StringPosition.new(res_str, res_col, res_length)
static func text_pos(tokens : Array, index : int) -> TokenPosition:
var res_begin : int = 0
var res_end : int = 0
if index < tokens.size() && index >= 0:
res_begin = tokens[index].position.begin
res_end = tokens[index].position.end
return TokenPosition.new(res_begin, res_end)
static func error_string(file_name, col, row, error_text):
return file_name + ":" + str(col) + ":" + str(row) + ": error: " + error_text
class AnalyzeResult:
var classes : Array = []
var fields : Array = []
var groups : Array = []
var version : int = 0
var state : bool = false
var tokens : Array = []
var syntax : Analysis.TranslationResult
var imports : Array = []
var doc : Document
func soft_copy() -> AnalyzeResult:
var res : AnalyzeResult = AnalyzeResult.new()
res.classes = classes
res.fields = fields
res.groups = groups
res.version = version
res.state = state
res.tokens = tokens
res.syntax = syntax
res.imports = imports
res.doc = doc
return res
class Analysis:
func _init(path : String, doc : Document):
path_dir = path
document = doc
var document : Document
var path_dir : String
const LEX = {
LETTER = "[A-Za-z]",
DIGIT_DEC = "[0-9]",
DIGIT_OCT = "[0-7]",
DIGIT_HEX = "[0-9]|[A-F]|[a-f]",
BRACKET_ROUND_LEFT = "\\(",
BRACKET_ROUND_RIGHT = "\\)",
BRACKET_CURLY_LEFT = "\\{",
BRACKET_CURLY_RIGHT = "\\}",
BRACKET_SQUARE_LEFT = "\\[",
BRACKET_SQUARE_RIGHT = "\\]",
BRACKET_ANGLE_LEFT = "\\<",
BRACKET_ANGLE_RIGHT = "\\>",
SEMICOLON = ";",
COMMA = ",",
EQUAL = "=",
SIGN = "\\+|\\-",
SPACE = "\\s",
QUOTE_SINGLE = "'",
QUOTE_DOUBLE = "\"",
}
const TOKEN_IDENT :