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beggining to stablish the EBNF of spider assembly

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This commit is contained in:
Alejandro Cervera
2026-07-19 22:43:23 -06:00
parent b30a59accd
commit 3a44ec594a
7 changed files with 114 additions and 121 deletions
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samples/assembly.ebnf
+12 -9
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@@ -35,7 +35,7 @@ float_lit = [ sign ] , (
( digit , { digit } , "." , digit , { digit } , [ exponent ] ) |
( "." , digit , { digit } , [ exponent ] ) |
( digit , { digit } , exponent )
) , [ "F" | "D" ] ;
) , [ "F" | "D" ] ;
hex_lit = [ sign ] , "0x" , hex_digit , { hex_digit } ;
octal_lit = [ sign ] , "0c" , octal_digit , { octal_digit } ;
@@ -60,17 +60,20 @@ opcode = letter , { alpha_num_char } ;
operand_list = operand , { "," , ws_optional , operand } ;
instruction = opcode , [ whitespace , operand_list ] ;
(* Added Preprocessor, Sections, and Metadata Syntaxes *)
include_decl = "include", whitespace, string_lit ;
annotation_oper = identifier, [ ws_optional, "=", ws_optional, literal_decl ] ;
annotation_ops = annotation_oper , { ws_optional, "," , ws_optional , annotation_oper } ;
annotation_args = "(", ws_optional, annotation_ops, ws_optional, ")" ;
annotation = "@", identifier, [ annotation_args ] ;
section_decl = "section", whitespace, ".", identifier ;
(* Added Preprocessor, Annotation *)
annotation_named = identifier, ws_optional, "=", ws_optional, literal_decl;
annotation_arg = literal_decl | annotation_named;
annotation_args = annotation_arg, { ws_optional, "," , ws_optional , annotation_arg } ;
annotation_pars = "(", ws_optional, annotation_args, ws_optional, ")" ;
annotation = "@", identifier, [ annotation_pars ] ;
preprocessor_val = identifier | string_lit;
preprocessor = "#", identifier, whitespace, preprocessor_val;
(* Line Structure *)
label = identifier, ":" ;
line_content = include_decl | section_decl | ( [ annotation, whitespace ], [ label, ws_optional ], [ instruction ] ) ;
line_label = label, [ whitespace, instruction ];
line_annotation = annotation, [ whitespace, instruction ];
line_content = preprocessor | line_annotation | line_label | instruction;
line = ws_optional, [ line_content ], ws_optional , [ comment ] , newline ;
line_last = ws_optional, [ line_content ], ws_optional , [ comment ] ;
program = { line }, [ line_last ] ;