added parser logic

doc/ast_rules.txt

@@ -0,0 +1,9 @@
+len 3:
+
+    lib main {
+
+min len 3, max len 4:
+    <public> class test {
+
+min len 5
+    <public> func test() {

doc/error_codes.txt

@@ -1,13 +0,0 @@
-Interpreter:
-    1.0 Start failed
-    1.1 File not found
-
-Runtime:
-    2.0 Unknown keyword
-    2.1 Unknown type
-    2.2 Unknown variable
-    2.3 Unknown function
-    2.4 Unknown class
-    2.5 Unknown library
-    2.6 Access error: no export
-    2.7 Expression error

doc/test.bl

@@ -9,6 +9,8 @@ lib Main {
         func Main() {
             testBool: bool;
             testEmpty: emptyType = empty;
+            testNum: number = 3.0;
+            testBool_2: bool = 3 > 1;
             output('Hello World');
             output(66);
             output(3 + 3);
@@ -22,7 +24,9 @@ lib Main {
             test1234(range(0, 10));
         }
 
-        public func test1234(param: list) {
+        # public func test1234(param: list) {
+        public func test1234()
+        {
             /*for i in range(0, length(param)) {
                 output(i);
             }*/
@@ -30,3 +34,11 @@ lib Main {
         }
     }
 }
+
+lib test
+{
+    public class Test
+    {
+
+    }
+}

src/Interpreter/Lexer.py

@@ -57,7 +57,7 @@ class Lexer:
                     i += 2
 
                 # end of number
-                elif not c.isdigit() and is_number:
+                elif not c.isdigit() and c != '.' and is_number:
                     self.__add_tok(word, 'number')
                     word = ''
                     is_number = False
@@ -102,7 +102,7 @@ class Lexer:
                     is_number = True
 
                 # continue number
-                elif c.isdigit() and is_number:
+                elif (c.isdigit() or c == '.') and is_number:
                     word += c
 
                 # begin expression char
@@ -115,7 +115,7 @@ class Lexer:
                     word += c
 
                 # bool expression char
-                elif c in self.__repo.expr_chars:
+                elif c in self.__repo.bool_expr_chars:
                     self.__add_tok(word, 'word')
                     self.__add_tok(c, 'bool_expr_char')
                     word = ''
@@ -134,5 +134,5 @@ class Lexer:
             if line[i - 1] == '*' and c == '/':
                 self.__ml_comment = False
 
-        self.__repo.output_tokens(self.__toks)
+        # self.__repo.output_tokens(self.__toks)
         return self.__toks

src/Interpreter/Parser.py

@@ -1,6 +1,10 @@
 from Interpreter.Repo import Repo
 from Interpreter.Utils import Utils
+from Models.Interpreter.Error import Error
 from Models.Interpreter.Token import Token
+from Models.Language.AST.Class import Class
+from Models.Language.AST.Func import Func
+from Models.Language.AST.Lib import Lib
 
 
 class Parser:
@@ -9,6 +13,178 @@ class Parser:
         self.__repo = repo
         self.__utils = utils
 
+        # runtime representation
+        self.__lib = None
+        self.__class = None
+        self.__func = None
+
+        # helpers
+        self.__tokens = []  # reset each line
+        self.__i = 0        # for loop index
+
+        self.__token_storage = []
+        self.__is_start_lib = False
+        self.__is_start_class = False
+        self.__is_start_func = False
+        self.__is_public = False
+
     def parse(self, toks: list) -> None:
+        self.__tokens = toks
         # self.__repo.output_tokens(toks)
-        pass
+        # output
+        if len(toks) > 0:
+            tokens = []
+            for t in toks:
+                tokens.append({t.value: t.type})
+
+            # print(tokens)
+
+        self.__check()
+
+        # output
+        if len(self.__repo.ast) > 1:
+            print('___')
+            for a_lib in self.__repo.ast:
+                print(a_lib.name)
+                for a_class in a_lib.ast:
+                    print(a_class.name, a_class.access)
+                    for a_funcs in a_class.ast:
+                        print(a_funcs.name, a_funcs.access)
+
+            print('___')
+            # print(self.__repo.ast, '\n')
+
+    """ parser helpers """
+    def __get_next_token(self) -> Token:
+        if len(self.__tokens) > self.__i + 1:
+            return self.__tokens[self.__i + 1]
+        else:
+            return Token('EOL', 'EOL')
+
+    def __get_last_token(self) -> Token:
+        if len(self.__tokens) >= self.__i - 1:
+            return self.__tokens[self.__i - 1]
+        else:
+            return Token('EOL', 'EOL')
+
+    def __get_token_by_i_dif(self, delta: int) -> Token:
+        return self.__tokens[self.__i + delta]
+
+    def __is_scope_started(self) -> bool:
+        return self.__is_start_lib or self.__is_start_class or self.__is_start_func
+
+    def __is_only_func_started(self) -> bool:
+        return not self.__is_start_lib and not self.__is_start_class and self.__is_start_func
+
+    """ token checks """
+    def __check(self):
+        # check tokens
+        for self.__i in range(0, len(self.__tokens)):
+            tok = self.__tokens[self.__i]
+
+            if not self.__is_scope_started() and tok.type == 'keyword':
+                self.__check_keyword(tok)
+
+            elif not self.__is_scope_started() and tok.type == 'type' or tok.type in self.__repo.types:
+                pass
+
+            elif not self.__is_scope_started() and tok.type in self.__repo.var_types:
+                pass
+
+            elif tok.type == 'format_char':
+                self.__check_format_char(tok)
+
+            elif not self.__is_scope_started() and tok.type == 'expr_char':
+                pass
+
+            elif not self.__is_scope_started() and tok.type == 'bool_expr_char':
+                self.__check_name(tok)
+
+            elif tok.type == 'name':
+                self.__check_name(tok)
+
+            else:
+                self.__utils.error(Error(2.9, f'{tok.type}: {tok.value}'))
+
+    def __check_keyword(self, tok: Token) -> None:
+        if tok.value == 'lib':
+            self.__is_start_lib = True
+
+        elif tok.value == 'class':
+            self.__is_start_class = True
+
+        elif tok.value == 'func':
+            self.__is_start_func = True
+
+        elif tok.value == 'public':
+            next = self.__get_next_token()
+            if next.type == 'keyword' and (next.value == 'class' or next.value == 'func'):
+                self.__is_public = True
+            else:
+                if next.type == 'EOL':
+                    self.__utils.error(Error(2.8))
+                else:
+                    self.__utils.error(Error(2.9, next.value))
+
+    def __check_format_char(self, tok: Token) -> None:
+        if tok.value == '{':
+            if len(self.__token_storage) > 0 and self.__token_storage[0].type == 'name':
+                if self.__is_start_lib and not self.__is_start_class and not self.__is_start_func:
+                    self.__lib = Lib(self.__token_storage[0].value)
+                    self.__token_storage = []
+                    self.__is_start_lib = False
+
+                elif not self.__is_start_lib and self.__is_start_class and not self.__is_start_func:
+                    access = ''
+                    if self.__is_public:
+                        access = 'public'
+                        self.__is_public = False
+
+                    self.__class = Class(self.__token_storage[0].value, access=access)
+                    self.__token_storage = []
+                    self.__is_start_class = False
+
+                elif not self.__is_start_lib and not self.__is_start_class and self.__is_start_func:
+                    access = ''
+                    if self.__is_public:
+                        access = 'public'
+                        self.__is_public = False
+
+                    self.__func = Func(self.__token_storage[0].value, access=access)
+                    self.__token_storage = []
+                    self.__is_start_func = False
+
+            else:
+                self.__utils.error(Error(2.9, f'{tok.type}: {tok.value}'))
+
+        elif not self.__is_scope_started() and tok.value == '}':
+            if self.__lib is not None and self.__class is None and self.__func is None:
+                self.__repo.ast.append(self.__lib)
+                self.__lib = None
+
+            elif self.__lib is not None and self.__class is not None and self.__func is None:
+                self.__lib.ast.append(self.__class)
+                self.__class = None
+
+            elif self.__lib is not None and self.__class is not None and self.__func is not None:
+                self.__class.ast.append(self.__func)
+                self.__func = None
+
+            else:
+                self.__utils.error(Error(2.9, f'{tok.type}: {tok.value}'))
+
+        elif self.__is_only_func_started() and (tok.value == '(' or tok.value == ')'):
+            pass
+
+        elif not self.__is_scope_started() and tok.value in self.__repo.format_chars:
+            pass
+
+        else:
+            self.__utils.error(Error(2.9, f'{tok.type}: {tok.value}'))
+
+    def __check_name(self, tok: Token) -> None:
+        if self.__is_start_lib or self.__is_start_class or self.__is_start_func:
+            if len(self.__token_storage) == 0:
+                self.__token_storage.append(tok)
+            else:
+                self.__utils.error(Error(2.9, f'{tok.type}: {tok.value}'))

src/Interpreter/Repo.py

@@ -44,13 +44,14 @@ class Repo:
             'list',
             'dict'
         ]
+        self.format_chars = ['{', '}', '(', ')', ';', ':', ',']
         self.expr_chars = ['+', '-', '*', '/', '=', '^']
         self.bool_expr_chars = ['<', '>', '!', '!=', '==', '>=', '<=']
         self.bool_values = ['true', 'false']
-        self.format_chars = ['{', '}', '(', ')', ';', ':', ',']
 
         # runtime
         self.error = None
+        self.ast = []
 
     def output_tokens(self, toks: list) -> None:
         if self.debug and len(toks) > 0:

src/Interpreter/Utils.py

@@ -1,6 +1,7 @@
 from termcolor import colored
 
 from Interpreter.Repo import Repo
+from Models.Interpreter.Error import Error
 
 
 class Utils:
@@ -14,6 +15,6 @@ class Utils:
     def output(self, text: str) -> None:
         print(f'-> {text}')
 
-    def error(self) -> None:
+    def error(self, error: Error) -> None:
-        if self.__repo is not None:
+        self.__repo.error = error
-            print(colored(f'{self.__repo.error.code}: {self.__repo.error.msg}', 'red'))
+        print(colored(f'{self.__repo.error.code}: {self.__repo.error.msg}', 'red'))

src/Main.py

@@ -1,7 +1,7 @@
 import os
 import sys
 
-from Models.Language.Error import Error
+from Models.Interpreter.Error import Error
 from ServiceInitializer import ServiceInitializer
 
 

src/Models/Interpreter/Error.py

@@ -0,0 +1,33 @@
+class Error:
+
+    def __init__(self, code: float, msg: str = ''):
+        self.code = code
+
+        self.__msgs = {
+            # Interpreter:
+            1.0: 'Start failed',
+            1.1: 'File not found',
+
+            # Runtime:
+            2.0: 'Unknown keyword',
+            2.1: 'Unknown type',
+            2.2: 'Unknown variable',
+            2.3: 'Unknown function',
+            2.4: 'Unknown class',
+            2.5: 'Unknown library',
+            2.6: 'Access error: no export',
+            2.7: 'Expression error',
+            2.8: 'Unexpected end of line',
+            2.9: 'Unexpected {}',       # other types
+
+            # Parser:
+            3.0: 'Lib in lib',
+            3.1: 'Lib in class',
+            3.2: 'Lib in func',
+            3.3: 'Class in class',
+            3.4: 'Class in func',
+            3.5: 'Func in lib',
+            3.6: 'Func in func',
+        }
+
+        self.msg = self.__msgs[code].format(msg)

src/Models/Language/AST/Class.py

@@ -0,0 +1,6 @@
+class Class:
+
+    def __init__(self, name: str, access: str = '') -> None:
+        self.name = name
+        self.ast = []
+        self.access = access

src/Models/Language/AST/Func.py

@@ -0,0 +1,6 @@
+class Func:
+
+    def __init__(self, name: str, access: str = '') -> None:
+        self.name = name
+        self.ast = []
+        self.access = access

src/Models/Language/AST/Lib.py

@@ -0,0 +1,5 @@
+class Lib:
+
+    def __init__(self, name: str) -> None:
+        self.name = name
+        self.ast = []

src/Models/Language/Error.py

@@ -1,5 +0,0 @@
-class Error:
-
-    def __init__(self, code: float, msg: str):
-        self.code = code
-        self.msg = msg