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yashwanthm3012yashwanthm3012
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Added code: Java (#442)
* Added Java * Added Java * Added Java * Added Java
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‎packages/keybr-code/lib/syntax.ts

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@@ -9,6 +9,7 @@ import { Output } from "./output.ts";
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import {
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grammar_cpp,
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grammar_html_css,
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grammar_java,
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grammar_javascript,
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grammar_python,
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grammar_regex,
@@ -49,6 +50,8 @@ export class Syntax implements EnumItem {
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static readonly SHELL = new Syntax("shell", "Shell", grammar_shell);
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static readonly REGEX = new Syntax("regex", "Regex", grammar_regex);
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static readonly JAVA = new Syntax("java", "Java", grammar_java);
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static readonly ALL = new Enum<Syntax>(
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Syntax.HTML,
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Syntax.CSS,
@@ -61,6 +64,7 @@ export class Syntax implements EnumItem {
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Syntax.RUST,
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Syntax.SHELL,
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Syntax.REGEX,
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Syntax.JAVA,
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);
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readonly id: string;

‎packages/keybr-code/lib/syntax/grammars.ts

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@@ -3,6 +3,7 @@ import _ident from "./_ident.ts";
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import _keywords from "./_keywords.ts";
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import lang_cpp from "./lang_cpp.ts";
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import lang_html_css from "./lang_html_css.ts";
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import lang_java from "./lang_java.ts";
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import lang_javascript from "./lang_javascript.ts";
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import lang_python from "./lang_python.ts";
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import lang_regex from "./lang_regex.ts";
@@ -18,3 +19,4 @@ export const grammar_python = compose(lang_python, _keywords, _ident);
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export const grammar_rust = compose(lang_rust, _keywords, _ident);
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export const grammar_shell = compose(lang_shell);
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export const grammar_regex = compose(lang_regex);
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export const grammar_java = compose(lang_java);

‎packages/keybr-code/lib/syntax/lang_java.g

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@@ -0,0 +1,134 @@
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start -> java_statement ;
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java_statement ->
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class_declaration
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| interface_declaration
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| enum_declaration
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| method_signature
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| variable_declaration
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| comment
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;
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class_declaration -> kw_class _ java_type_name _ "{" _ class_body _ "}" ;
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class_body -> class_member [ _ ";" _ class_member ] ;
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class_member ->
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[ access_modifier _ ]
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[ kw_static _ ]
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[ kw_final _ ]
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[ [ kw_private | kw_public | kw_protected ] _ ]
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method_signature
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| variable_declaration
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;
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method_signature ->
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[ access_modifier _ ]
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[ kw_static _ ]
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[ kw_final _ ]
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return_type _ java_method_name "(" _ parameter_list ")" ;
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return_type -> kw_void | java_type ;
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parameter_list -> [ parameter [ _ "," _ parameter ] ] ;
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parameter -> java_type _ java_variable_name ;
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variable_declaration ->
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[ kw_final _ ]
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java_type _ java_variable_name [ _ "=" _ java_expression ] ";" ;
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java_type -> kw_int | kw_string | kw_boolean | kw_double | kw_float | kw_char | kw_long | kw_short | kw_byte | kw_void | java_reference_type ;
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java_reference_type -> class_type | interface_type | array_type ;
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class_type -> java_type_name ;
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interface_type -> kw_interface _ java_type_name ;
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array_type -> java_type "[]" ;
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java_expression ->
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java_variable_name
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| java_literal
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| java_method_call
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;
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java_literal ->
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java_number_literal
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| java_string_literal
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| java_boolean_literal
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;
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java_number_literal -> "0" | "1" | "2" | "42" | "100" | "200" | "404" ;
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java_string_literal -> "\"" "\"" ;
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java_boolean_literal -> "true" | "false" ;
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java_method_call -> java_variable_name "(" _ argument_list ")" ;
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argument_list -> [ java_expression [ _ "," _ java_expression ] ] ;
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java_variable_name -> "x" | "y" | "z" | "result" | "data" | "input" ;
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java_method_name -> "main" | "calculate" | "setValue" | "getResult" ;
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java_type_name -> "String" | "Integer" | "Double" | "Float" | "Object" | "CustomType" ;
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interface_declaration -> kw_interface _ java_type_name _ "{" _ interface_body _ "}" ;
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interface_body -> interface_method_signature [ _ ";" _ interface_method_signature ] ;
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interface_method_signature -> [ kw_static _ ] return_type _ java_method_name "(" _ parameter_list ")" ;
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enum_declaration -> kw_enum _ java_type_name _ "{" _ enum_member_list _ "}" ;
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enum_member_list -> enum_member [ _ "," _ enum_member ] ;
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enum_member -> java_variable_name [ _ "=" _ java_expression ] ;
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access_modifier -> kw_public | kw_private | kw_protected ;
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comment ->
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single_line_comment
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| multi_line_comment
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| javadoc_comment
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;
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single_line_comment -> "//" _ comment_text ;
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multi_line_comment -> "/*" _ comment_text _ "*/" ;
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javadoc_comment -> "/**" _ comment_text _ "*/" ;
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comment_text ->
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"Method to calculate the result"
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| "TODO: Improve performance"
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| "This is a constructor"
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| "@param description"
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| "@returns description"
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| "@throws exception"
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| "@deprecated Use alternative method"
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;
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kw_class -> "class" ;
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kw_interface -> "interface" ;
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kw_enum -> "enum" ;
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kw_static -> "static" ;
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kw_final -> "final" ;
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kw_private -> "private" ;
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kw_public -> "public" ;
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kw_protected -> "protected" ;
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kw_void -> "void" ;
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kw_int -> "int" ;
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kw_string -> "String" ;
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kw_boolean -> "boolean" ;
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kw_double -> "double" ;
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kw_float -> "float" ;
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kw_char -> "char" ;
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kw_long -> "long" ;
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kw_short -> "short" ;
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kw_byte -> "byte" ;
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kw_return -> "return" ;
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kw_this -> "this" ;

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