Added logic to handle lib & class declaration

cpl-workspace.json

@@ -1,12 +1,12 @@
 {
   "WorkspaceSettings": {
-    "DefaultProject": "cc-lang",
+    "DefaultProject": "cc-lang-interpreter",
     "Projects": {
+      "cc-lang-interpreter": "src/cc_lang_interpreter/cc-lang-interpreter.json",
       "cc-lang": "src/cc_lang/cc-lang.json",
       "parser": "src/parser/parser.json",
       "lexer": "src/lexer/lexer.json",
-      "runtime": "src/runtime/runtime.json",
-      "cc-lang-interpreter": "src/cc_lang_interpreter/cc-lang-interpreter.json"
+      "runtime": "src/runtime/runtime.json"
     }
   }
 }

src/cc_lang/cc-lang.json

@@ -16,7 +16,8 @@
     "LicenseName": "",
     "LicenseDescription": "",
     "Dependencies": [
-      "sh_cpl==2021.4.0.post2"
+      "sh_cpl-core==2021.10.0.post1",
+      "sh_cpl-query==2021.10.0.post1"
     ],
     "PythonVersion": ">=3.9.2",
     "PythonPath": {

src/cc_lang_interpreter/application.py

@@ -4,8 +4,11 @@ from cpl_core.application import ApplicationABC
 from cpl_core.configuration import ConfigurationABC
 from cpl_core.console import Console
 from cpl_core.dependency_injection import ServiceProviderABC
+from cpl_query.extension.list import List
 
 from lexer.abc.lexer_abc import LexerABC
+from lexer.model.token import Token
+from parser.abc.ast import AST
 from parser.abc.parser_abc import ParserABC
 from runtime.abc.runtime_service_abc import RuntimeServiceABC
 
@@ -22,15 +25,17 @@ class Application(ApplicationABC):
         self._path = config.get_configuration('p')
 
     def _interpret(self, line: str):
-        tokens = self._lexer.tokenize(line)
-        ast = self._parser.create_ast(tokens)
-
+        tokens: List[Token] = self._lexer.tokenize(line)
+        ast: List[AST] = self._parser.create_ast(tokens)
+        
         line.replace("\n", "").replace("\t", "")
-        # Console.write_line(f'<{self._runtime.line_count}> LINE: {line}')
+        Console.write_line(f'<{self._runtime.line_count}> LINE: {line}')
         # header, values = ['Type', 'Value'], []
         # tokens.for_each(lambda t: values.append([t.type, t.value]))
         # Console.table(header, values)
 
+        Console.write(ast, '\n')
+
     def _console(self):
         i = 0
         while True:
@@ -62,8 +67,7 @@ class Application(ApplicationABC):
             self._runtime.line_count = i + 1
             self._interpret(f[i])
 
-    def configure(self):
-        pass
+    def configure(self): pass
 
     def main(self):
         if self._path is None:

src/cc_lang_interpreter/cc-lang-interpreter.json

@@ -17,7 +17,7 @@
     "LicenseDescription": "",
     "Dependencies": [
       "sh_cpl-core==2021.10.0.post1",
-      "sh_cpl-query==2021.10.0"
+      "sh_cpl-query==2021.10.0.post1"
     ],
     "PythonVersion": ">=3.9.2",
     "PythonPath": {

src/cc_lang_interpreter/startup.py

@@ -23,8 +23,8 @@ class Startup(StartupABC):
         return config
 
     def configure_services(self, services: ServiceCollectionABC, env: ApplicationEnvironment) -> ServiceProviderABC:
+        services.add_singleton(RuntimeServiceABC, RuntimeService)
         services.add_singleton(LexerABC, LexerService)
         services.add_singleton(ParserABC, ParserService)
-        services.add_singleton(RuntimeServiceABC, RuntimeService)
 
         return services.build_service_provider()

src/lexer/lexer.json

@@ -16,7 +16,8 @@
     "LicenseName": "",
     "LicenseDescription": "",
     "Dependencies": [
-      "sh_cpl==2021.4.0.post2"
+      "sh_cpl-core==2021.10.0.post1",
+      "sh_cpl-query==2021.10.0.post1"
     ],
     "PythonVersion": ">=3.9.2",
     "PythonPath": {

src/lexer/model/token.py

@@ -19,5 +19,8 @@ class Token:
     def value(self, value: str):
         self._value = value
 
+    def __repr__(self) -> str:
+        return f'Token <Type: {self._type}> <Value: {self._value}>'
+
     def __str__(self) -> str:
         return f'Token: Type: {self._type}, Value: {self._value}'

src/parser/abc/ast.py

@@ -0,0 +1,34 @@
+from typing import Optional, Union
+from cpl_query.extension.list import List
+from parser.model.ast_types_enum import ASTTypesEnum
+
+
+class AST():
+
+    def __init__(self, type: ASTTypesEnum, value: Union[str, List['AST']], start: Optional[int] = None, end: Optional[int] = None):
+        self._type = type
+        self._value = value
+        self._start = start
+        self._end = end
+
+    @property
+    def type(self) -> ASTTypesEnum:
+        return self._type
+
+    @property
+    def value(self) -> Union[str, List['AST']]:
+        return self._value
+
+    @property
+    def start(self) -> Optional[int]:
+        return self._start
+
+    @property
+    def end(self) -> Optional[int]:
+        return self._end
+
+    def __repr__(self) -> str:
+        return f'AST <Type: {self._type}> <Value: {self._value}> <{self._start},{self._end}>'
+
+    def __str__(self) -> str:
+        return f'AST <Type: {self._type}> <Value: {self._value}> <{self._start},{self._end}>'

src/parser/abc/ast_abc.py

@@ -1,7 +0,0 @@
-from abc import ABC, abstractmethod
-
-
-class AST(ABC):
-
-    @abstractmethod
-    def __init__(self): pass

src/parser/abc/parser_abc.py

@@ -2,7 +2,7 @@ from abc import ABC, abstractmethod
 
 from cpl_query.extension.list import List
 
-from parser.abc.ast_abc import AST
+from parser.abc.ast import AST
 from lexer.model.token import Token
 
 class ParserABC(ABC):

src/parser/model/__init__.py

@@ -0,0 +1 @@
+# imports

src/parser/model/ast_types_enum.py

@@ -0,0 +1,12 @@
+from enum import Enum
+
+
+class ASTTypesEnum(Enum):
+
+    Access = 'access'
+    Keyword = 'keyword'
+    Name = 'name'
+
+    LibraryDeclaration = 'library_declaration'
+    ClassDeclaration = 'class_declaration'
+

src/parser/model/class_ast.py

@@ -0,0 +1,18 @@
+from parser.abc.ast import AST
+
+from cpl_query.extension.list import List
+
+
+class ClassAST(AST):
+
+    def __init__(self):
+        AST.__init__(self)
+        self._body = List(AST)
+
+    @property
+    def body(self) -> List['AST']:
+        return self._body
+        
+    @body.setter
+    def body(self, value: List['AST']):
+        self._body = value

src/parser/model/library_ast.py

@@ -0,0 +1,18 @@
+from parser.abc.ast import AST
+
+from cpl_query.extension.list import List
+
+
+class LibraryAST(AST):
+
+    def __init__(self):
+        AST.__init__(self)
+        self._body = List(AST)
+
+    @property
+    def body(self) -> List['AST']:
+        return self._body
+        
+    @body.setter
+    def body(self, value: List['AST']):
+        self._body = value

src/parser/model/parser_state_enum.py

@@ -0,0 +1,8 @@
+from enum import Enum
+
+
+class ParserStateEnum(Enum):
+
+    Default = 0
+    Library = 1
+    Class = 2

src/parser/parser.json

@@ -16,7 +16,8 @@
     "LicenseName": "",
     "LicenseDescription": "",
     "Dependencies": [
-      "sh_cpl==2021.4.0.post2"
+      "sh_cpl-core==2021.10.0.post1",
+      "sh_cpl-query==2021.10.0.post1"
     ],
     "PythonVersion": ">=3.9.2",
     "PythonPath": {

src/parser/service/parser_service.py

@@ -1,19 +1,108 @@
+from parser.abc.ast import AST
+from parser.abc.parser_abc import ParserABC
+from parser.model.ast_types_enum import ASTTypesEnum
+
+from cc_lang.model.language_definition_classes import FormatCharacters, Keywords
 from cpl_core.console.console import Console
 from cpl_query.extension.list import List
 from lexer.model.token import Token
-from parser.abc.ast_abc import AST
-from parser.abc.parser_abc import ParserABC
+from lexer.model.token_types import TokenTypes
+from pynput.keyboard import Key
+from parser.model.parser_state_enum import ParserStateEnum
+from runtime.abc.runtime_service_abc import RuntimeServiceABC
+from runtime.model.error import Error
+from runtime.model.error_codes_enum import ErrorCodesEnum
 
 
 class ParserService(ParserABC):
 
-    def __init__(self):
-        pass
+    def __init__(self, runtime: RuntimeServiceABC):
+        self._runtime = runtime
+
+        self._access_keywords = [
+            Keywords.Public.value,
+            Keywords.Private.value,
+            Keywords.Static.value,
+            Keywords.This.value,
+        ]
+
+    def _parse_library_or_class(self, tokens: List[Token], cls=False) -> AST:
+        """ Handles library declaration
+
+        Args:
+            tokens (List[Token]): Tokens from lexer
+
+        AST:
+            lib Main {
+            <lib, class> <name> <end>
+            public lib Main {
+            <access> <lib, class> <name> <end>
+            public lib Main {}
+            <access> <lib, class> <name> <end> <end>
+
+        Returns:
+            AST: Library or class AST
+        """
+        end = None
+        ast = List(AST)
+        for i in range(0, tokens.count()):
+            token: Token = tokens[i]
+
+            # if line contains }
+            if token.type == TokenTypes.Format_Character and token.value == FormatCharacters.Right_Brace.value:
+                end = self._runtime.line_count
+            elif i == tokens.count()-1 and token.type == TokenTypes.Format_Character and token.value == FormatCharacters.Left_Brace.value:
+                break
+            elif i == tokens.count()-1:
+                self._runtime.error(
+                    Error(ErrorCodesEnum.Expected, FormatCharacters.Left_Brace.value))
+
+            if i == 0 and token.type == TokenTypes.Keyword and token.value in self._access_keywords:
+                ast.append(AST(ASTTypesEnum.Access, token.value,
+                           self._runtime.line_count, self._runtime.line_count))
+
+            if i <= 1 and token.type == TokenTypes.Keyword and token.value == Keywords.Library.value:
+                ast.append(AST(ASTTypesEnum.Keyword, token.value,
+                           self._runtime.line_count, self._runtime.line_count))
+
+            if i >= 1 and token.type == TokenTypes.Name:
+                ast.append(AST(ASTTypesEnum.Name, token.value,
+                           self._runtime.line_count, self._runtime.line_count))
+
+        return AST(ASTTypesEnum.LibraryDeclaration if not cls else ASTTypesEnum.ClassDeclaration, ast, self._runtime.line_count, end)
+
+    def _parse_variable(self, tokens: List[AST]) -> AST:
+        """ Parses variable declarations
+
+        Args:
+            tokens (List[Token]): Tokens from lexer
+
+        AST:
+            var test: number;
+            <var> <name> <type> <end>
+            var test: number = 0;
+            <var> <name> <type> <value | int, str, bool> <end>
+            var test: number = test;
+            <var> <name> <type> <name> <end>
+            var test: number = TestClass();
+            <var> <name> <type> <object-assign> <end>
+            private var test: number = 0;
+            <access> <var> <name> <type> <end>
+
+        Returns:
+            AST: Library or class AST
+        """
 
     def create_ast(self, tokens: List[Token]) -> List[AST]:
-        for i in range(0, tokens.count()):
-            prev_token = tokens[i-1] if i-1 > 0 else None
-            token = tokens[i]
-            next_token = tokens[i+1] if i+1 < tokens.count() else None
-            
-            Console.write_line(token)
+        self._ast = List(AST)
+
+        if tokens.where(lambda t: t.type == TokenTypes.Keyword and t.value == Keywords.Library.value).count() > 0:
+            self._ast.append(self._parse_library_or_class(tokens))
+
+        elif tokens.where(lambda t: t.type == TokenTypes.Keyword and t.value == Keywords.Class.value).count() > 0:
+            self._ast.append(self._parse_library_or_class(tokens, True))
+
+        elif tokens.where(lambda t: t.type == TokenTypes.Keyword and t.value == Keywords.Variable.value).count() > 0:
+            self._ast.append(self._parse_variable(tokens, True))
+
+        return self._ast

src/runtime/abc/runtime_service_abc.py

@@ -1,5 +1,10 @@
 from abc import ABC, abstractmethod
 
+from cpl_core.console.console import Console
+from cpl_core.console.foreground_color_enum import ForegroundColorEnum
+
+from runtime.model.error import Error
+
 
 class RuntimeServiceABC(ABC):
 
@@ -13,3 +18,15 @@ class RuntimeServiceABC(ABC):
     @line_count.setter
     @abstractmethod
     def line_count(self, line_count: int): pass
+
+    @abstractmethod
+    def input(self, prefix: str) -> str: pass
+
+    @abstractmethod
+    def output(self, text: str): pass
+
+    @abstractmethod
+    def error(self, error: Error): pass
+
+    @abstractmethod
+    def runtime_error(self, error: Error): pass

src/runtime/model/__init__.py

@@ -0,0 +1 @@
+# imports

src/runtime/model/error.py

@@ -0,0 +1,16 @@
+from runtime.model.error_codes_enum import ErrorCodesEnum
+
+
+class Error:
+
+    def __init__(self, code: ErrorCodesEnum, msg: str):
+        self._code = code
+        self._msg = code.value.format(msg)
+
+    @property
+    def code(self) -> ErrorCodesEnum:
+        return self._code
+
+    @property
+    def message(self) -> str:
+        return self._msg

src/runtime/model/error_codes_enum.py

@@ -0,0 +1,21 @@
+from enum import Enum
+
+
+class ErrorCodesEnum(Enum):
+
+    StartFailed = 'Start failed'
+    FileNotFound = 'File not found'
+    WrongFileType = 'Wrong file type'
+
+    Unknown = 'Unknown {}'
+    Inaccessible = '{} inaccessible'
+    Unexpected = 'Unexpected {}'
+    Expected = 'Expected {}'
+
+    LibInLib = 'Lib in lib'
+    LibInClass = 'Lib in class'
+    LibInFunc = 'Lib in func'
+    ClassInClass = 'Class in class'
+    ClassInFunc = 'Class in func'
+    FuncInLib = 'Func in lib'
+    FuncInFunc = 'Func in func'

src/runtime/runtime.json

@@ -16,7 +16,8 @@
     "LicenseName": "",
     "LicenseDescription": "",
     "Dependencies": [
-      "sh_cpl==2021.4.0.post2"
+      "sh_cpl-core==2021.10.0.post1",
+      "sh_cpl-query==2021.10.0.post1"
     ],
     "PythonVersion": ">=3.9.2",
     "PythonPath": {

src/runtime/service/runtime_service.py

@@ -1,4 +1,6 @@
+from cpl_core.console import Console, ForegroundColorEnum
 from runtime.abc.runtime_service_abc import RuntimeServiceABC
+from runtime.model.error import Error
 
 
 class RuntimeService(RuntimeServiceABC):
@@ -13,3 +15,21 @@ class RuntimeService(RuntimeServiceABC):
     @line_count.setter
     def line_count(self, line_count: int):
         self._line_count = line_count
+
+    def input(self, prefix: str) -> str:
+        return Console.read_line(prefix)
+
+    def output(self, text: str) -> None:
+        Console.write_line(f'> {text}')
+
+    def error(self, error: Error) -> None:
+        Console.set_foreground_color(ForegroundColorEnum.red)
+        Console.write_line(f'Error in line {self._line_count}\n{error.message}')
+        Console.color_reset()
+        exit()
+
+    def runtime_error(self, error: Error) -> None:
+        Console.set_foreground_color(ForegroundColorEnum.red)
+        Console.write_line(f'{error.message}', 'red')
+        Console.color_reset()
+        exit()