1112 lines
41 KiB
GDScript
1112 lines
41 KiB
GDScript
## A single compilation instance of some dialogue.
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class_name DMCompilation extends RefCounted
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#region Compilation locals
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## A list of file paths that were imported by this file.
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var imported_paths: PackedStringArray = []
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## A list of state names from "using" clauses.
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var using_states: PackedStringArray = []
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## A map of titles in this file.
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var titles: Dictionary = {}
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## The first encountered title in this file.
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var first_title: String = ""
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## A list of character names in this file.
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var character_names: PackedStringArray = []
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## A list of any compilation errors.
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var errors: Array[Dictionary] = []
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## A map of all compiled lines.
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var lines: Dictionary = {}
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## A flattened and simplified map of compiled lines for storage in a resource.
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var data: Dictionary = {}
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#endregion
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#region Internal variables
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# A list of all [RegEx] references
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var regex: DMCompilerRegEx = DMCompilerRegEx.new()
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# For parsing condition/mutation expressions
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var expression_parser: DMExpressionParser = DMExpressionParser.new()
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# A map of titles that came from imported files.
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var _imported_titles: Dictionary = {}
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# Used to keep track of circular imports.
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var _imported_line_map: Dictionary = {}
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# The number of imported lines.
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var _imported_line_count: int = 0
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# A list of already encountered static line IDs.
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var _known_translation_keys: Dictionary = {}
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# A noop for retrieving the next line without conditions.
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var _first: Callable = func(_s): return true
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# Title jumps are adjusted as they are parsed so any goto lines might need to be adjusted after they are first seen.
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var _goto_lines: Dictionary = {}
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#endregion
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#region Main
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## Compile some text.
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func compile(text: String, path: String = ".") -> Error:
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titles = {}
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character_names = []
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parse_line_tree(build_line_tree(inject_imported_files(text + "\n=> END", path)))
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# Convert the compiles lines to a Dictionary so they can be stored.
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for id in lines:
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var line: DMCompiledLine = lines[id]
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data[id] = line.to_data()
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if errors.size() > 0:
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return ERR_PARSE_ERROR
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return OK
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## Inject any imported files
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func inject_imported_files(text: String, path: String) -> PackedStringArray:
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# Work out imports
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var known_imports: Dictionary = {}
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# Include the base file path so that we can get around circular dependencies
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known_imports[path.hash()] = "."
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var raw_lines: PackedStringArray = text.split("\n")
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for id in range(0, raw_lines.size()):
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var line = raw_lines[id]
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if is_import_line(line):
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var import_data: Dictionary = extract_import_path_and_name(line)
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if not import_data.has("path"): continue
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var import_hash: int = import_data.path.hash()
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if import_data.size() > 0:
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# Keep track of titles so we can add imported ones later
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if str(import_hash) in _imported_titles.keys():
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add_error(id, 0, DMConstants.ERR_FILE_ALREADY_IMPORTED)
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if import_data.prefix in _imported_titles.values():
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add_error(id, 0, DMConstants.ERR_DUPLICATE_IMPORT_NAME)
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_imported_titles[str(import_hash)] = import_data.prefix
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# Import the file content
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if not known_imports.has(import_hash):
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var error: Error = import_content(import_data.path, import_data.prefix, _imported_line_map, known_imports)
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if error != OK:
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add_error(id, 0, error)
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# Make a map so we can refer compiled lines to where they were imported from
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if not _imported_line_map.has(import_hash):
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_imported_line_map[import_hash] = {
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hash = import_hash,
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imported_on_line_number = id,
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from_line = 0,
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to_line = 0
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}
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var imported_content: String = ""
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var cummulative_line_number: int = 0
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for item in _imported_line_map.values():
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item["from_line"] = cummulative_line_number
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if known_imports.has(item.hash):
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cummulative_line_number += known_imports[item.hash].split("\n").size()
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item["to_line"] = cummulative_line_number
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if known_imports.has(item.hash):
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imported_content += known_imports[item.hash] + "\n"
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if imported_content == "":
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_imported_line_count = 0
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return text.split("\n")
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else:
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_imported_line_count = cummulative_line_number + 1
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# Combine imported lines with the original lines
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return (imported_content + "\n" + text).split("\n")
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## Import content from another dialogue file or return an ERR
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func import_content(path: String, prefix: String, imported_line_map: Dictionary, known_imports: Dictionary) -> Error:
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if FileAccess.file_exists(path):
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var file = FileAccess.open(path, FileAccess.READ)
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var content: PackedStringArray = file.get_as_text().strip_edges().split("\n")
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for index in range(0, content.size()):
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var line = content[index]
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if is_import_line(line):
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var import = extract_import_path_and_name(line)
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if import.size() > 0:
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if not known_imports.has(import.path.hash()):
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# Add an empty record into the keys just so we don't end up with cyclic dependencies
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known_imports[import.path.hash()] = ""
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if import_content(import.path, import.prefix, imported_line_map, known_imports) != OK:
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return ERR_LINK_FAILED
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if not imported_line_map.has(import.path.hash()):
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# Make a map so we can refer compiled lines to where they were imported from
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imported_line_map[import.path.hash()] = {
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hash = import.path.hash(),
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imported_on_line_number = index,
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from_line = 0,
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to_line = 0
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}
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_imported_titles[import.prefix] = import.path.hash()
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var origin_hash: int = -1
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for hash_value in known_imports.keys():
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if known_imports[hash_value] == ".":
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origin_hash = hash_value
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# Replace any titles or jump points with references to the files they point to (event if they point to their own file)
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for i in range(0, content.size()):
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var line = content[i]
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if line.strip_edges().begins_with("~ "):
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var indent: String = "\t".repeat(get_indent(line))
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var title = line.strip_edges().substr(2)
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if "/" in line:
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var bits = title.split("/")
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content[i] = "%s~ %s/%s" % [indent, _imported_titles[bits[0]], bits[1]]
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else:
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content[i] = "%s~ %s/%s" % [indent, str(path.hash()), title]
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elif "=>< " in line:
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var jump: String = line.substr(line.find("=>< ") + "=>< ".length()).strip_edges()
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if "/" in jump:
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var bits: PackedStringArray = jump.split("/")
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var title_hash: int = _imported_titles[bits[0]]
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if title_hash == origin_hash:
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content[i] = "%s=>< %s" % [line.split("=>< ")[0], bits[1]]
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else:
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content[i] = "%s=>< %s/%s" % [line.split("=>< ")[0], title_hash, bits[1]]
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elif not jump in ["END", "END!"] and not jump.begins_with("{{"):
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content[i] = "%s=>< %s/%s" % [line.split("=>< ")[0], str(path.hash()), jump]
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elif "=> " in line:
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var jump: String = line.substr(line.find("=> ") + "=> ".length()).strip_edges()
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if "/" in jump:
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var bits: PackedStringArray = jump.split("/")
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var title_hash: int = _imported_titles[bits[0]]
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if title_hash == origin_hash:
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content[i] = "%s=> %s" % [line.split("=> ")[0], bits[1]]
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else:
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content[i] = "%s=> %s/%s" % [line.split("=> ")[0], title_hash, bits[1]]
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elif not jump in ["END", "END!"] and not jump.begins_with("{{"):
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content[i] = "%s=> %s/%s" % [line.split("=> ")[0], str(path.hash()), jump]
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imported_paths.append(path)
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known_imports[path.hash()] = "\n".join(content) + "\n=> END\n"
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return OK
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else:
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return ERR_FILE_NOT_FOUND
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## Build a tree of parent/child relationships
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func build_line_tree(raw_lines: PackedStringArray) -> DMTreeLine:
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var root: DMTreeLine = DMTreeLine.new("")
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var parent_chain: Array[DMTreeLine] = [root]
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var previous_line: DMTreeLine
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var doc_comments: PackedStringArray = []
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# Get list of known autoloads
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var autoload_names: PackedStringArray = get_autoload_names()
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for i in range(0, raw_lines.size()):
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var raw_line: String = raw_lines[i]
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var tree_line: DMTreeLine = DMTreeLine.new(str(i - _imported_line_count))
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tree_line.line_number = i + 1
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tree_line.type = get_line_type(raw_line)
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tree_line.text = raw_line.strip_edges()
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# Handle any "using" directives.
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if tree_line.type == DMConstants.TYPE_USING:
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var using_match: RegExMatch = regex.USING_REGEX.search(raw_line)
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if "state" in using_match.names:
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var using_state: String = using_match.strings[using_match.names.state].strip_edges()
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if not using_state in autoload_names:
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add_error(tree_line.line_number, 0, DMConstants.ERR_UNKNOWN_USING)
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elif not using_state in using_states:
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using_states.append(using_state)
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continue
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# Ignore import lines because they've already been processed.
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elif is_import_line(raw_line):
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continue
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tree_line.indent = get_indent(raw_line)
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# Attach doc comments
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if raw_line.strip_edges().begins_with("##"):
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doc_comments.append(raw_line.replace("##", "").strip_edges())
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elif tree_line.type == DMConstants.TYPE_DIALOGUE:
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tree_line.notes = "\n".join(doc_comments)
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doc_comments.clear()
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# Empty lines are only kept so that we can work out groupings of things (eg. randomised
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# lines). Therefore we only need to keep one empty line in a row even if there
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# are multiple. The indent of an empty line is assumed to be the same as the non-empty line
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# following it. That way, grouping calculations should work.
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if tree_line.type in [DMConstants.TYPE_UNKNOWN, DMConstants.TYPE_COMMENT] and raw_lines.size() > i + 1:
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var next_line = raw_lines[i + 1]
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if get_line_type(next_line) in [DMConstants.TYPE_UNKNOWN, DMConstants.TYPE_COMMENT]:
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continue
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else:
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tree_line.type = DMConstants.TYPE_UNKNOWN
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tree_line.indent = get_indent(next_line)
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# Nothing should be more than a single indent past its parent.
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if tree_line.indent > parent_chain.size():
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add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_INVALID_INDENTATION)
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# Check for indentation changes
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if tree_line.indent > parent_chain.size() - 1:
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parent_chain.append(previous_line)
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elif tree_line.indent < parent_chain.size() - 1:
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parent_chain.resize(tree_line.indent + 1)
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# Add any titles to the list of known titles
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if tree_line.type == DMConstants.TYPE_TITLE:
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var title: String = tree_line.text.substr(2)
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if title == "":
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add_error(i, 2, DMConstants.ERR_EMPTY_TITLE)
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elif titles.has(title):
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add_error(i, 2, DMConstants.ERR_DUPLICATE_TITLE)
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else:
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titles[title] = tree_line.id
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if "/" in title:
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# Replace the hash title with something human readable.
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var bits: PackedStringArray = title.split("/")
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if _imported_titles.has(bits[0]):
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title = _imported_titles[bits[0]] + "/" + bits[1]
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titles[title] = tree_line.id
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elif first_title == "" and i >= _imported_line_count:
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first_title = tree_line.id
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# Append the current line to the current parent (note: the root is the most basic parent).
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var parent: DMTreeLine = parent_chain[parent_chain.size() - 1]
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tree_line.parent = weakref(parent)
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parent.children.append(tree_line)
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previous_line = tree_line
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return root
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#endregion
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#region Parsing
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func parse_line_tree(root: DMTreeLine, parent: DMCompiledLine = null) -> Array[DMCompiledLine]:
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var compiled_lines: Array[DMCompiledLine] = []
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for i in range(0, root.children.size()):
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var tree_line: DMTreeLine = root.children[i]
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var line: DMCompiledLine = DMCompiledLine.new(tree_line.id, tree_line.type)
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match line.type:
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DMConstants.TYPE_UNKNOWN:
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line.next_id = get_next_matching_sibling_id(root.children, i, parent, _first)
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DMConstants.TYPE_TITLE:
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parse_title_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_CONDITION:
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parse_condition_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_WHILE:
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parse_while_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_MATCH:
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parse_match_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_WHEN:
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parse_when_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_MUTATION:
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parse_mutation_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_GOTO:
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# Extract any weighted random calls before parsing dialogue
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if tree_line.text.begins_with("%"):
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parse_random_line(tree_line, line, root.children, i, parent)
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parse_goto_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_RESPONSE:
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parse_response_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_RANDOM:
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parse_random_line(tree_line, line, root.children, i, parent)
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DMConstants.TYPE_DIALOGUE:
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# Extract any weighted random calls before parsing dialogue
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if tree_line.text.begins_with("%"):
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parse_random_line(tree_line, line, root.children, i, parent)
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parse_dialogue_line(tree_line, line, root.children, i, parent)
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# Main line map is keyed by ID
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lines[line.id] = line
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# Returned lines order is preserved so that it can be used for compiling children
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compiled_lines.append(line)
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return compiled_lines
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## Parse a title and apply it to the given line
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func parse_title_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
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var result: Error = OK
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line.text = tree_line.text.substr(tree_line.text.find("~ ") + 2).strip_edges()
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# Titles can't have numbers as the first letter (unless they are external titles which get replaced with hashes)
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if tree_line.line_number >= _imported_line_count and regex.BEGINS_WITH_NUMBER_REGEX.search(line.text):
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result = add_error(tree_line.line_number, 2, DMConstants.ERR_TITLE_BEGINS_WITH_NUMBER)
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# Only import titles are allowed to have "/" in them
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var valid_title = regex.VALID_TITLE_REGEX.search(line.text.replace("/", ""))
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if not valid_title:
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result = add_error(tree_line.line_number, 2, DMConstants.ERR_TITLE_INVALID_CHARACTERS)
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line.next_id = get_next_matching_sibling_id(siblings, sibling_index, parent, _first)
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## Update the titles reference to point to the actual first line
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titles[line.text] = line.next_id
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## Update any lines that point to this title
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if _goto_lines.has(line.text):
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for goto_line in _goto_lines[line.text]:
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goto_line.next_id = line.next_id
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return result
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## Parse a goto and apply it to the given line.
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func parse_goto_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
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# Work out where this line is jumping to.
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var goto_data: DMResolvedGotoData = DMResolvedGotoData.new(tree_line.text, titles)
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if goto_data.error:
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return add_error(tree_line.line_number, tree_line.indent + 2, goto_data.error)
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if goto_data.next_id or goto_data.expression:
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line.next_id = goto_data.next_id
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line.next_id_expression = goto_data.expression
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add_reference_to_title(goto_data.title, line)
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if goto_data.is_snippet:
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line.is_snippet = true
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line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, _first)
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return OK
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## Parse a condition line and apply to the given line
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func parse_condition_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
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# Work out the next IDs before parsing the condition line itself so that the last
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# child can inherit from the chain.
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# Find the next conditional sibling that is part of this grouping (if there is one).
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for next_sibling: DMTreeLine in siblings.slice(sibling_index + 1):
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if not next_sibling.type in [DMConstants.TYPE_UNKNOWN, DMConstants.TYPE_CONDITION]:
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break
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elif next_sibling.type == DMConstants.TYPE_CONDITION:
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if next_sibling.text.begins_with("el"):
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line.next_sibling_id = next_sibling.id
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break
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else:
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break
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line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, func(s: DMTreeLine):
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# The next line that isn't a conditional or is a new "if"
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return s.type != DMConstants.TYPE_CONDITION or s.text.begins_with("if ")
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)
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# Any empty IDs should end the conversation.
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if line.next_id_after == DMConstants.ID_NULL:
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line.next_id_after = parent.next_id_after if parent != null and parent.next_id_after else DMConstants.ID_END
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# Having no nested body is an immediate failure.
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if tree_line.children.size() == 0:
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return add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_INVALID_CONDITION_INDENTATION)
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# Try to parse the conditional expression ("else" has no expression).
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if "if " in tree_line.text:
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var condition: Dictionary = extract_condition(tree_line.text, false, tree_line.indent)
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if condition.has("error"):
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return add_error(tree_line.line_number, condition.index, condition.error)
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else:
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line.expression = condition
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|
# Parse any nested body lines
|
|
parse_children(tree_line, line)
|
|
|
|
return OK
|
|
|
|
|
|
## Parse a while loop and apply it to the given line.
|
|
func parse_while_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, _first)
|
|
|
|
# Parse the while condition
|
|
var condition: Dictionary = extract_condition(tree_line.text, false, tree_line.indent)
|
|
if condition.has("error"):
|
|
return add_error(tree_line.line_number, condition.index, condition.error)
|
|
else:
|
|
line.expression = condition
|
|
|
|
# Parse the nested body (it should take care of looping back to this line when it finishes)
|
|
parse_children(tree_line, line)
|
|
|
|
return OK
|
|
|
|
|
|
func parse_match_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
var result: Error = OK
|
|
|
|
# The next line after is the next sibling
|
|
line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, _first)
|
|
|
|
# Extract the condition to match to
|
|
var condition: Dictionary = extract_condition(tree_line.text, false, tree_line.indent)
|
|
if condition.has("error"):
|
|
result = add_error(tree_line.line_number, condition.index, condition.error)
|
|
else:
|
|
line.expression = condition
|
|
|
|
# Match statements should have children
|
|
if tree_line.children.size() == 0:
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_INVALID_CONDITION_INDENTATION)
|
|
|
|
# Check that all children are when or else.
|
|
for child in tree_line.children:
|
|
if child.type == DMConstants.TYPE_WHEN: continue
|
|
if child.type == DMConstants.TYPE_UNKNOWN: continue
|
|
if child.type == DMConstants.TYPE_CONDITION and child.text.begins_with("else"): continue
|
|
|
|
result = add_error(child.line_number, child.indent, DMConstants.ERR_EXPECTED_WHEN_OR_ELSE)
|
|
|
|
# Each child should be a "when" or "else". We don't need those lines themselves, just their
|
|
# condition and the line they point to if the conditions passes.
|
|
var children: Array[DMCompiledLine] = parse_children(tree_line, line)
|
|
for child: DMCompiledLine in children:
|
|
# "when" cases
|
|
if child.type == DMConstants.TYPE_WHEN:
|
|
line.siblings.append({
|
|
condition = child.expression,
|
|
next_id = child.next_id
|
|
})
|
|
# "else" case
|
|
elif child.type == DMConstants.TYPE_CONDITION:
|
|
if line.siblings.any(func(s): return s.has("is_else")):
|
|
result = add_error(child.line_number, child.indent, DMConstants.ERR_ONLY_ONE_ELSE_ALLOWED)
|
|
else:
|
|
line.siblings.append({
|
|
next_id = child.next_id,
|
|
is_else = true
|
|
})
|
|
# Remove the line from the list of all lines because we don't need it any more.
|
|
lines.erase(child.id)
|
|
|
|
return result
|
|
|
|
|
|
func parse_when_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
var result: Error = OK
|
|
|
|
# This when line should be found inside a match line
|
|
if parent.type != DMConstants.TYPE_MATCH:
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_WHEN_MUST_BELONG_TO_MATCH)
|
|
|
|
# When lines should have children
|
|
if tree_line.children.size() == 0:
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_INVALID_CONDITION_INDENTATION)
|
|
|
|
# The next line after a when is the same as its parent match line
|
|
line.next_id_after = parent.next_id_after
|
|
|
|
# Extract the condition to match to
|
|
var condition: Dictionary = extract_condition(tree_line.text, false, tree_line.indent)
|
|
if condition.has("error"):
|
|
result = add_error(tree_line.line_number, condition.index, condition.error)
|
|
else:
|
|
line.expression = condition
|
|
|
|
parse_children(tree_line, line)
|
|
|
|
return result
|
|
|
|
|
|
## Parse a mutation line and apply it to the given line
|
|
func parse_mutation_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
var mutation: Dictionary = extract_mutation(tree_line.text)
|
|
if mutation.has("error"):
|
|
return add_error(tree_line.line_number, mutation.index, mutation.error)
|
|
else:
|
|
line.expression = mutation
|
|
|
|
line.next_id = get_next_matching_sibling_id(siblings, sibling_index, parent, _first)
|
|
|
|
return OK
|
|
|
|
|
|
## Parse a response and apply it to the given line.
|
|
func parse_response_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
var result: Error = OK
|
|
|
|
# Remove the "- "
|
|
tree_line.text = tree_line.text.substr(2)
|
|
|
|
# Extract the static line ID
|
|
var static_line_id: String = extract_static_line_id(tree_line.text)
|
|
if static_line_id:
|
|
tree_line.text = tree_line.text.replace("[ID:%s]" % [static_line_id], "")
|
|
line.translation_key = static_line_id
|
|
|
|
# Handle conditional responses and remove them from the prompt text.
|
|
if " [if " in tree_line.text:
|
|
var condition = extract_condition(tree_line.text, true, tree_line.indent)
|
|
if condition.has("error"):
|
|
result = add_error(tree_line.line_number, condition.index, condition.error)
|
|
else:
|
|
line.expression = condition
|
|
# Extract just the raw condition text
|
|
var found: RegExMatch = regex.WRAPPED_CONDITION_REGEX.search(tree_line.text)
|
|
line.expression_text = found.strings[found.names.expression]
|
|
|
|
tree_line.text = regex.WRAPPED_CONDITION_REGEX.sub(tree_line.text, "").strip_edges()
|
|
|
|
# Find the original response in this group of responses.
|
|
var original_response: DMTreeLine = tree_line
|
|
for i in range(sibling_index - 1, -1, -1):
|
|
if siblings[i].type == DMConstants.TYPE_RESPONSE:
|
|
original_response = siblings[i]
|
|
elif siblings[i].type != DMConstants.TYPE_UNKNOWN:
|
|
break
|
|
|
|
# If it's the original response then set up an original line.
|
|
if original_response == tree_line:
|
|
line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, (func(s: DMTreeLine):
|
|
# The next line that isn't a response.
|
|
return not s.type in [DMConstants.TYPE_RESPONSE, DMConstants.TYPE_UNKNOWN]
|
|
), true)
|
|
line.responses = [line.id]
|
|
# If this line has children then the next ID is the first child.
|
|
if tree_line.children.size() > 0:
|
|
parse_children(tree_line, line)
|
|
# Otherwise use the same ID for after the random group.
|
|
else:
|
|
line.next_id = line.next_id_after
|
|
# Otherwise let the original line know about it.
|
|
else:
|
|
var original_line: DMCompiledLine = lines[original_response.id]
|
|
line.next_id_after = original_line.next_id_after
|
|
line.siblings = original_line.siblings
|
|
original_line.responses.append(line.id)
|
|
# If this line has children then the next ID is the first child.
|
|
if tree_line.children.size() > 0:
|
|
parse_children(tree_line, line)
|
|
# Otherwise use the original line's next ID after.
|
|
else:
|
|
line.next_id = original_line.next_id_after
|
|
|
|
parse_character_and_dialogue(tree_line, line, siblings, sibling_index, parent)
|
|
|
|
return OK
|
|
|
|
|
|
## Parse a randomised line
|
|
func parse_random_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
# Find the weight
|
|
var weight: float = 1
|
|
var found = regex.WEIGHTED_RANDOM_SIBLINGS_REGEX.search(tree_line.text + " ")
|
|
var condition: Dictionary = {}
|
|
if found:
|
|
if found.names.has("weight"):
|
|
weight = found.strings[found.names.weight].to_float()
|
|
if found.names.has("condition"):
|
|
condition = extract_condition(tree_line.text, true, tree_line.indent)
|
|
|
|
# Find the original random sibling. It will be the jump off point.
|
|
var original_sibling: DMTreeLine = tree_line
|
|
for i in range(sibling_index - 1, -1, -1):
|
|
if siblings[i] and siblings[i].is_random:
|
|
original_sibling = siblings[i]
|
|
else:
|
|
break
|
|
|
|
var weighted_sibling: Dictionary = { weight = weight, id = line.id, condition = condition }
|
|
|
|
# If it's the original sibling then set up an original line.
|
|
if original_sibling == tree_line:
|
|
line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, (func(s: DMTreeLine):
|
|
# The next line that isn't a randomised line.
|
|
# NOTE: DMTreeLine.is_random won't be set at this point so we need to check for the "%" prefix.
|
|
return not s.text.begins_with("%")
|
|
), true)
|
|
line.siblings = [weighted_sibling]
|
|
# If this line has children then the next ID is the first child.
|
|
if tree_line.children.size() > 0:
|
|
parse_children(tree_line, line)
|
|
# Otherwise use the same ID for after the random group.
|
|
else:
|
|
line.next_id = line.next_id_after
|
|
|
|
# Otherwise let the original line know about it.
|
|
else:
|
|
var original_line: DMCompiledLine = lines[original_sibling.id]
|
|
line.next_id_after = original_line.next_id_after
|
|
line.siblings = original_line.siblings
|
|
original_line.siblings.append(weighted_sibling)
|
|
# If this line has children then the next ID is the first child.
|
|
if tree_line.children.size() > 0:
|
|
parse_children(tree_line, line)
|
|
# Otherwise use the original line's next ID after.
|
|
else:
|
|
line.next_id = original_line.next_id_after
|
|
|
|
# Remove the randomise syntax from the line.
|
|
tree_line.text = regex.WEIGHTED_RANDOM_SIBLINGS_REGEX.sub(tree_line.text, "")
|
|
tree_line.is_random = true
|
|
|
|
return OK
|
|
|
|
|
|
## Parse some dialogue and apply it to the given line.
|
|
func parse_dialogue_line(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
var result: Error = OK
|
|
|
|
# Remove escape character
|
|
if tree_line.text.begins_with("\\using"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\if"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\elif"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\else"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\while"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\match"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\when"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\do"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\set"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\-"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\~"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\=>"): tree_line.text = tree_line.text.substr(1)
|
|
if tree_line.text.begins_with("\\%"): tree_line.text = tree_line.text.substr(1)
|
|
|
|
# Append any further dialogue
|
|
for i in range(0, tree_line.children.size()):
|
|
var child: DMTreeLine = tree_line.children[i]
|
|
if child.type == DMConstants.TYPE_DIALOGUE:
|
|
# Nested dialogue lines cannot have further nested dialogue.
|
|
if child.children.size() > 0:
|
|
add_error(child.children[0].line_number, child.children[0].indent, DMConstants.ERR_INVALID_INDENTATION)
|
|
# Mark this as a dialogue child of another dialogue line.
|
|
child.is_nested_dialogue = true
|
|
var child_line = DMCompiledLine.new("", DMConstants.TYPE_DIALOGUE)
|
|
parse_character_and_dialogue(child, child_line, [], 0, parent)
|
|
var child_static_line_id: String = extract_static_line_id(child.text)
|
|
if child_line.character != "" or child_static_line_id != "":
|
|
add_error(child.line_number, child.indent, DMConstants.ERR_UNEXPECTED_SYNTAX_ON_NESTED_DIALOGUE_LINE)
|
|
# Check that only the last child (or none) has a jump reference
|
|
if i < tree_line.children.size() - 1 and " =>" in child.text:
|
|
add_error(child.line_number, child.indent, DMConstants.ERR_NESTED_DIALOGUE_INVALID_JUMP)
|
|
if i == 0 and " =>" in tree_line.text:
|
|
add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_NESTED_DIALOGUE_INVALID_JUMP)
|
|
|
|
tree_line.text += "\n" + child.text
|
|
elif child.type == DMConstants.TYPE_UNKNOWN:
|
|
tree_line.text += "\n"
|
|
else:
|
|
result = add_error(child.line_number, child.indent, DMConstants.ERR_INVALID_INDENTATION)
|
|
|
|
# Extract the static line ID
|
|
var static_line_id: String = extract_static_line_id(tree_line.text)
|
|
if static_line_id:
|
|
tree_line.text = tree_line.text.replace(" [ID:", "[ID:").replace("[ID:%s]" % [static_line_id], "")
|
|
line.translation_key = static_line_id
|
|
|
|
# Check for simultaneous lines
|
|
if tree_line.text.begins_with("| "):
|
|
# Jumps are only allowed on the origin line.
|
|
if " =>" in tree_line.text:
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_GOTO_NOT_ALLOWED_ON_CONCURRECT_LINES)
|
|
# Check for a valid previous line.
|
|
tree_line.text = tree_line.text.substr(2)
|
|
var previous_sibling: DMTreeLine = siblings[sibling_index - 1]
|
|
if previous_sibling.type != DMConstants.TYPE_DIALOGUE:
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_CONCURRENT_LINE_WITHOUT_ORIGIN)
|
|
else:
|
|
# Because the previous line's concurrent_lines array is the same as
|
|
# any line before that this doesn't need to check any higher up.
|
|
var previous_line: DMCompiledLine = lines[previous_sibling.id]
|
|
previous_line.concurrent_lines.append(line.id)
|
|
line.concurrent_lines = previous_line.concurrent_lines
|
|
|
|
parse_character_and_dialogue(tree_line, line, siblings, sibling_index, parent)
|
|
|
|
# Check for any inline expression errors
|
|
var resolved_line_data: DMResolvedLineData = DMResolvedLineData.new("")
|
|
var bbcodes: Array[Dictionary] = resolved_line_data.find_bbcode_positions_in_string(tree_line.text, true, true)
|
|
for bbcode: Dictionary in bbcodes:
|
|
var tag: String = bbcode.code
|
|
var code: String = bbcode.raw_args
|
|
if tag.begins_with("do") or tag.begins_with("set") or tag.begins_with("if"):
|
|
var expression: Array = expression_parser.tokenise(code, DMConstants.TYPE_MUTATION, bbcode.start + bbcode.code.length())
|
|
if expression.size() == 0:
|
|
add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_INVALID_EXPRESSION)
|
|
elif expression[0].type == DMConstants.TYPE_ERROR:
|
|
add_error(tree_line.line_number, tree_line.indent + expression[0].i, expression[0].value)
|
|
|
|
# If the line isn't part of a weighted random group then make it point to the next
|
|
# available sibling.
|
|
if line.next_id == DMConstants.ID_NULL and line.siblings.size() == 0:
|
|
line.next_id = get_next_matching_sibling_id(siblings, sibling_index, parent, func(s: DMTreeLine):
|
|
# Ignore concurrent lines.
|
|
return not s.text.begins_with("| ")
|
|
)
|
|
|
|
return result
|
|
|
|
|
|
## Parse the character name and dialogue and apply it to a given line.
|
|
func parse_character_and_dialogue(tree_line: DMTreeLine, line: DMCompiledLine, siblings: Array[DMTreeLine], sibling_index: int, parent: DMCompiledLine) -> Error:
|
|
var result: Error = OK
|
|
|
|
var text: String = tree_line.text
|
|
|
|
# Attach any doc comments.
|
|
line.notes = tree_line.notes
|
|
|
|
# Extract tags.
|
|
var tag_data: DMResolvedTagData = DMResolvedTagData.new(text)
|
|
line.tags = tag_data.tags
|
|
text = tag_data.text_without_tags
|
|
|
|
# Handle inline gotos and remove them from the prompt text.
|
|
if " =><" in text:
|
|
# Because of when the return point needs to be known at runtime we need to split
|
|
# this line into two (otherwise the return point would be dependent on the balloon).
|
|
var goto_data: DMResolvedGotoData = DMResolvedGotoData.new(text, titles)
|
|
if goto_data.error:
|
|
result = add_error(tree_line.line_number, tree_line.indent + 3, goto_data.error)
|
|
if goto_data.next_id or goto_data.expression:
|
|
text = goto_data.text_without_goto
|
|
var goto_line: DMCompiledLine = DMCompiledLine.new(line.id + ".1", DMConstants.TYPE_GOTO)
|
|
goto_line.next_id = goto_data.next_id
|
|
line.next_id_expression = goto_data.expression
|
|
if line.type == DMConstants.TYPE_RESPONSE:
|
|
goto_line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, func(s: DMTreeLine):
|
|
# If this is coming from a response then we want the next non-response line.
|
|
return s.type != DMConstants.TYPE_RESPONSE
|
|
)
|
|
else:
|
|
goto_line.next_id_after = get_next_matching_sibling_id(siblings, sibling_index, parent, _first)
|
|
goto_line.is_snippet = true
|
|
lines[goto_line.id] = goto_line
|
|
line.next_id = goto_line.id
|
|
add_reference_to_title(goto_data.title, goto_line)
|
|
elif " =>" in text:
|
|
var goto_data: DMResolvedGotoData = DMResolvedGotoData.new(text, titles)
|
|
if goto_data.error:
|
|
result = add_error(tree_line.line_number, tree_line.indent + 2, goto_data.error)
|
|
if goto_data.next_id or goto_data.expression:
|
|
text = goto_data.text_without_goto
|
|
line.next_id = goto_data.next_id
|
|
line.next_id_expression = goto_data.expression
|
|
add_reference_to_title(goto_data.title, line)
|
|
|
|
# Handle the dialogue.
|
|
text = text.replace("\\:", "!ESCAPED_COLON!")
|
|
if ": " in text:
|
|
# If a character was given then split it out.
|
|
var bits = Array(text.strip_edges().split(": "))
|
|
line.character = bits.pop_front().strip_edges()
|
|
if not line.character in character_names:
|
|
character_names.append(line["character"])
|
|
# Character names can have expressions in them.
|
|
line.character_replacements = expression_parser.extract_replacements(line.character, tree_line.indent)
|
|
for replacement in line.character_replacements:
|
|
if replacement.has("error"):
|
|
result = add_error(tree_line.line_number, replacement.index, replacement.error)
|
|
text = ": ".join(bits).replace("!ESCAPED_COLON!", ":")
|
|
else:
|
|
line.character = ""
|
|
text = text.replace("!ESCAPED_COLON!", ":")
|
|
|
|
# Extract any expressions in the dialogue.
|
|
line.text_replacements = expression_parser.extract_replacements(text, line.character.length() + 2 + tree_line.indent)
|
|
for replacement in line.text_replacements:
|
|
if replacement.has("error"):
|
|
result = add_error(tree_line.line_number, replacement.index, replacement.error)
|
|
|
|
# Replace any newlines.
|
|
text = text.replace("\\n", "\n").strip_edges()
|
|
|
|
# If there was no manual translation key then just use the text itself (unless this is a
|
|
# child dialogue below another dialogue line).
|
|
if not tree_line.is_nested_dialogue and line.translation_key == "":
|
|
# Show an error if missing translations is enabled
|
|
if DMSettings.get_setting(DMSettings.MISSING_TRANSLATIONS_ARE_ERRORS, false):
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_MISSING_ID)
|
|
else:
|
|
line.translation_key = text
|
|
|
|
line.text = text
|
|
|
|
# IDs can't be duplicated for text that doesn't match.
|
|
if line.translation_key != "":
|
|
if _known_translation_keys.has(line.translation_key) and _known_translation_keys.get(line.translation_key) != line.text:
|
|
result = add_error(tree_line.line_number, tree_line.indent, DMConstants.ERR_DUPLICATE_ID)
|
|
else:
|
|
_known_translation_keys[line.translation_key] = line.text
|
|
|
|
return result
|
|
|
|
|
|
#endregion
|
|
|
|
#region Errors
|
|
|
|
|
|
## Add a compilation error to the list. Returns the given error code.
|
|
func add_error(line_number: int, column_number: int, error: int) -> Error:
|
|
# See if the error was in an imported file
|
|
for item in _imported_line_map.values():
|
|
if line_number < item.to_line:
|
|
errors.append({
|
|
line_number = item.imported_on_line_number,
|
|
column_number = 0,
|
|
error = DMConstants.ERR_ERRORS_IN_IMPORTED_FILE,
|
|
external_error = error,
|
|
external_line_number = line_number
|
|
})
|
|
return error
|
|
|
|
# Otherwise, it's in this file
|
|
errors.append({
|
|
line_number = line_number - _imported_line_count,
|
|
column_number = column_number,
|
|
error = error
|
|
})
|
|
|
|
return error
|
|
|
|
|
|
#endregion
|
|
|
|
#region Helpers
|
|
|
|
|
|
## Get the names of any autoloads in the project.
|
|
func get_autoload_names() -> PackedStringArray:
|
|
var autoloads: PackedStringArray = []
|
|
|
|
var project = ConfigFile.new()
|
|
project.load("res://project.godot")
|
|
if project.has_section("autoload"):
|
|
return Array(project.get_section_keys("autoload")).filter(func(key): return key != "DialogueManager")
|
|
|
|
return autoloads
|
|
|
|
|
|
## Check if a line is importing another file.
|
|
func is_import_line(text: String) -> bool:
|
|
return text.begins_with("import ") and " as " in text
|
|
|
|
|
|
## Extract the import information from an import line
|
|
func extract_import_path_and_name(line: String) -> Dictionary:
|
|
var found: RegExMatch = regex.IMPORT_REGEX.search(line)
|
|
if found:
|
|
return {
|
|
path = found.strings[found.names.path],
|
|
prefix = found.strings[found.names.prefix]
|
|
}
|
|
else:
|
|
return {}
|
|
|
|
|
|
## Get the indent of a raw line
|
|
func get_indent(raw_line: String) -> int:
|
|
var tabs: RegExMatch = regex.INDENT_REGEX.search(raw_line)
|
|
if tabs:
|
|
return tabs.get_string().length()
|
|
else:
|
|
return 0
|
|
|
|
|
|
## Get the type of a raw line
|
|
func get_line_type(raw_line: String) -> String:
|
|
raw_line = raw_line.strip_edges()
|
|
var text: String = regex.WEIGHTED_RANDOM_SIBLINGS_REGEX.sub(raw_line + " ", "").strip_edges()
|
|
|
|
if text.begins_with("import "):
|
|
return DMConstants.TYPE_IMPORT
|
|
|
|
if text.begins_with("using "):
|
|
return DMConstants.TYPE_USING
|
|
|
|
if text.begins_with("#"):
|
|
return DMConstants.TYPE_COMMENT
|
|
|
|
if text.begins_with("~ "):
|
|
return DMConstants.TYPE_TITLE
|
|
|
|
if text.begins_with("if ") or text.begins_with("elif") or text.begins_with("else"):
|
|
return DMConstants.TYPE_CONDITION
|
|
|
|
if text.begins_with("while "):
|
|
return DMConstants.TYPE_WHILE
|
|
|
|
if text.begins_with("match "):
|
|
return DMConstants.TYPE_MATCH
|
|
|
|
if text.begins_with("when "):
|
|
return DMConstants.TYPE_WHEN
|
|
|
|
if text.begins_with("do ") or text.begins_with("do! ") or text.begins_with("set "):
|
|
return DMConstants.TYPE_MUTATION
|
|
|
|
if text.begins_with("=> ") or text.begins_with("=>< "):
|
|
return DMConstants.TYPE_GOTO
|
|
|
|
if text.begins_with("- "):
|
|
return DMConstants.TYPE_RESPONSE
|
|
|
|
if raw_line.begins_with("%") and text.is_empty():
|
|
return DMConstants.TYPE_RANDOM
|
|
|
|
if not text.is_empty():
|
|
return DMConstants.TYPE_DIALOGUE
|
|
|
|
return DMConstants.TYPE_UNKNOWN
|
|
|
|
|
|
## Get the next sibling that passes a [Callable] matcher.
|
|
func get_next_matching_sibling_id(siblings: Array[DMTreeLine], from_index: int, parent: DMCompiledLine, matcher: Callable, with_empty_lines: bool = false) -> String:
|
|
for i in range(from_index + 1, siblings.size()):
|
|
var next_sibling: DMTreeLine = siblings[i]
|
|
|
|
if not with_empty_lines:
|
|
# Ignore empty lines
|
|
if not next_sibling or next_sibling.type == DMConstants.TYPE_UNKNOWN:
|
|
continue
|
|
|
|
if matcher.call(next_sibling):
|
|
return next_sibling.id
|
|
|
|
# If no next ID can be found then check the parent for where to go next.
|
|
if parent != null:
|
|
return parent.id if parent.type == DMConstants.TYPE_WHILE else parent.next_id_after
|
|
|
|
return DMConstants.ID_NULL
|
|
|
|
|
|
## Extract a static line ID from some text.
|
|
func extract_static_line_id(text: String) -> String:
|
|
# Find a static translation key, eg. [ID:something]
|
|
var found: RegExMatch = regex.STATIC_LINE_ID_REGEX.search(text)
|
|
if found:
|
|
return found.strings[found.names.id]
|
|
else:
|
|
return ""
|
|
|
|
|
|
## Extract a condition (or inline condition) from some text.
|
|
func extract_condition(text: String, is_wrapped: bool, index: int) -> Dictionary:
|
|
var regex: RegEx = regex.WRAPPED_CONDITION_REGEX if is_wrapped else regex.CONDITION_REGEX
|
|
var found: RegExMatch = regex.search(text)
|
|
|
|
if found == null:
|
|
return {
|
|
index = 0,
|
|
error = DMConstants.ERR_INCOMPLETE_EXPRESSION
|
|
}
|
|
|
|
var raw_condition: String = found.strings[found.names.expression]
|
|
if raw_condition.ends_with(":"):
|
|
raw_condition = raw_condition.substr(0, raw_condition.length() - 1)
|
|
|
|
var expression: Array = expression_parser.tokenise(raw_condition, DMConstants.TYPE_CONDITION, index + found.get_start("expression"))
|
|
|
|
if expression.size() == 0:
|
|
return {
|
|
index = index + found.get_start("expression"),
|
|
error = DMConstants.ERR_INCOMPLETE_EXPRESSION
|
|
}
|
|
elif expression[0].type == DMConstants.TYPE_ERROR:
|
|
return {
|
|
index = expression[0].i,
|
|
error = expression[0].value
|
|
}
|
|
else:
|
|
return {
|
|
expression = expression
|
|
}
|
|
|
|
|
|
## Extract a mutation from some text.
|
|
func extract_mutation(text: String) -> Dictionary:
|
|
var found: RegExMatch = regex.MUTATION_REGEX.search(text)
|
|
|
|
if not found:
|
|
return {
|
|
index = 0,
|
|
error = DMConstants.ERR_INCOMPLETE_EXPRESSION
|
|
}
|
|
|
|
if found.names.has("expression"):
|
|
var expression: Array = expression_parser.tokenise(found.strings[found.names.expression], DMConstants.TYPE_MUTATION, found.get_start("expression"))
|
|
if expression.size() == 0:
|
|
return {
|
|
index = found.get_start("expression"),
|
|
error = DMConstants.ERR_INCOMPLETE_EXPRESSION
|
|
}
|
|
elif expression[0].type == DMConstants.TYPE_ERROR:
|
|
return {
|
|
index = expression[0].i,
|
|
error = expression[0].value
|
|
}
|
|
else:
|
|
return {
|
|
expression = expression,
|
|
is_blocking = not "!" in found.strings[found.names.keyword]
|
|
}
|
|
|
|
else:
|
|
return {
|
|
index = found.get_start(),
|
|
error = DMConstants.ERR_INCOMPLETE_EXPRESSION
|
|
}
|
|
|
|
|
|
## Keep track of lines referencing titles because their own next_id might not have been resolved yet.
|
|
func add_reference_to_title(title: String, line: DMCompiledLine) -> void:
|
|
if title in [DMConstants.ID_END, DMConstants.ID_END_CONVERSATION, DMConstants.ID_NULL]: return
|
|
|
|
if not _goto_lines.has(title):
|
|
_goto_lines[title] = []
|
|
_goto_lines[title].append(line)
|
|
|
|
|
|
## Parse a nested block of child lines
|
|
func parse_children(tree_line: DMTreeLine, line: DMCompiledLine) -> Array[DMCompiledLine]:
|
|
var children = parse_line_tree(tree_line, line)
|
|
if children.size() > 0:
|
|
line.next_id = children.front().id
|
|
# The last child should jump to the next line after its parent condition group
|
|
var last_child: DMCompiledLine = children.back()
|
|
if last_child.next_id == DMConstants.ID_NULL:
|
|
last_child.next_id = line.next_id_after
|
|
if last_child.siblings.size() > 0:
|
|
for sibling in last_child.siblings:
|
|
lines.get(sibling.id).next_id = last_child.next_id
|
|
|
|
return children
|
|
|
|
|
|
#endregion
|