Improve parser documentation

Author: Kirill Nesmeyanov

Writerside/topics/parser.md

@@ -24,12 +24,38 @@ information and grammar checking.
 To create a parser instance, the `TypeLang\Parser\Parser` class is used.
 To run code analysis, you should use the `parse()` method.
 
-<deflist>
-<def title="Method signature">
+```php
+$parser = new TypeLang\Parser\Parser();
+
+$result = $parser->parse('example');
+```
+
+```php
+TypeLang\Parser\Node\Stmt\NamedTypeNode {
+  +offset: 0
+  +name: TypeLang\Parser\Node\Name {
+    +offset: 0
+    -parts: array:1 [
+      0 => TypeLang\Parser\Node\Identifier {
+        +offset: 0
+        +value: "example"
+      }
+    ]
+  }
+  +arguments: null
+  +fields: null
+}
+```
+{collapsible="true" collapsed-title="Result"}
+
+### Parser Arguments
 
-The first argument of the `parse()` method corresponds to the source code data
+The first argument of the `TypeLang\Parser\Parser::parse(<source>)` method corresponds to the source code data
 and can be of the following types:
 
+<deflist>
+<def title="Method signature">
+
 <tabs>
   <tab title="string">
 
@@ -66,130 +92,3 @@ and can be of the following types:
 </tabs>
 </def>
 </deflist>
-
-```php
-$parser = new TypeLang\Parser\Parser();
-
-$result = $parser->parse(<<<'PHP'
-    array<array-key, object{
-      key: int<0, max>,
-      ...
-    }>
-    PHP);
-
-var_dump($result);
-```
-{prompt="1"}
-
-
-```php
-TypeLang\Parser\Node\Stmt\NamedTypeNode {
-  +offset: 0
-  +name: TypeLang\Parser\Node\Name {
-    +offset: 0
-    -parts: array:1 [
-      0 => TypeLang\Parser\Node\Identifier {
-        +offset: 0
-        +value: "array"
-      }
-    ]
-  }
-  +arguments: TypeLang\Parser\Node\Stmt\Template\ArgumentsListNode {
-    +offset: 5
-    +items: array:2 [
-      0 => TypeLang\Parser\Node\Stmt\Template\ArgumentNode {
-        +offset: 6
-        +value: TypeLang\Parser\Node\Stmt\NamedTypeNode {
-          +offset: 6
-          +name: TypeLang\Parser\Node\Name {
-            +offset: 6
-            -parts: array:1 [
-              0 => TypeLang\Parser\Node\Identifier {
-                +offset: 6
-                +value: "array-key"
-              }
-            ]
-          }
-          +arguments: null
-          +fields: null
-        }
-      }
-      1 => TypeLang\Parser\Node\Stmt\Template\ArgumentNode {
-        +offset: 17
-        +value: TypeLang\Parser\Node\Stmt\NamedTypeNode {
-          +offset: 17
-          +name: TypeLang\Parser\Node\Name {
-            +offset: 17
-            -parts: array:1 [
-              0 => TypeLang\Parser\Node\Identifier {
-                +offset: 17
-                +value: "object"
-              }
-            ]
-          }
-          +arguments: null
-          +fields: TypeLang\Parser\Node\Stmt\Shape\FieldsListNode {
-            +offset: 27
-            +items: array:1 [
-              0 => TypeLang\Parser\Node\Stmt\Shape\NamedFieldNode {
-                +offset: 27
-                +type: TypeLang\Parser\Node\Stmt\NamedTypeNode {
-                  +offset: 32
-                  +name: TypeLang\Parser\Node\Name {
-                    +offset: 32
-                    -parts: array:1 [
-                      0 => TypeLang\Parser\Node\Identifier {
-                        +offset: 32
-                        +value: "int"
-                      }
-                    ]
-                  }
-                  +arguments: TypeLang\Parser\Node\Stmt\Template\ArgumentsListNode {
-                    +offset: 35
-                    +items: array:2 [
-                      0 => TypeLang\Parser\Node\Stmt\Template\ArgumentNode {
-                        +offset: 36
-                        +value: TypeLang\Parser\Node\Literal\IntLiteralNode {
-                          +offset: 36
-                          +raw: "0"
-                          +value: 0
-                        }
-                      }
-                      1 => TypeLang\Parser\Node\Stmt\Template\ArgumentNode {
-                        +offset: 39
-                        +value: TypeLang\Parser\Node\Stmt\NamedTypeNode {
-                          +offset: 39
-                          +name: TypeLang\Parser\Node\Name {
-                            +offset: 39
-                            -parts: array:1 [
-                              0 => TypeLang\Parser\Node\Identifier {
-                                +offset: 39
-                                +value: "max"
-                              }
-                            ]
-                          }
-                          +arguments: null
-                          +fields: null
-                        }
-                      }
-                    ]
-                  }
-                  +fields: null
-                }
-                +optional: false
-                +key: TypeLang\Parser\Node\Identifier {
-                  +offset: 27
-                  +value: "key"
-                }
-              }
-            ]
-            +sealed: false
-          }
-        }
-      }
-    ]
-  }
-  +fields: null
-}
-```
-{collapsible="true" collapsed-title="Result"}