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-rw-r--r--tnslc/parse/ast.tnsl435
1 files changed, 84 insertions, 351 deletions
diff --git a/tnslc/parse/ast.tnsl b/tnslc/parse/ast.tnsl
index 7ad9390..a01a185 100644
--- a/tnslc/parse/ast.tnsl
+++ b/tnslc/parse/ast.tnsl
@@ -43,25 +43,6 @@ struct Node {
;/
;/
-/; _ast_import(~utils.File fin, ~Node mod, ~Token first)
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
-
- ~uint8 path = utils.unquote_str(tmp.data)
- utils.File _import = fin`.relative(path)
- _delete(path)
- path = _import.path.to_cstr('/')
-
- _printf("Importing ./\0")
- _printf(path)
- _printf("\n\0")
- _delete(path)
-
- _ast_file(~_import, mod)
- _import.end()
-;/
-
/; _get_closing_delim(uint8 ch) [uint8]
/; if (ch == '/' || ch == ';')
return ';'
@@ -75,388 +56,135 @@ struct Node {
return 0
;/
-/; _ast_type (~utils.File fin, ~Node mod, ~Token first)
- Node out
- out.init(NTYPE_TYPE, utils.strcpy("\0"))
-
- # Handle pointer and array types
- /; loop (first`.eq("~\0") == true || first`.eq("{\0") == true)
- Node pre
- pre.init(NTYPE_PRE_OP, first`.data)
-
- /; if (first`.eq("{\0") == true)
- first` = produce_next_token(fin, first`)
- /; if (first`._type == TTYPE_LITRL && is_numeric(first`.data`))
- Node i
- i.init(NTYPE_LITERAL, first`.data)
- pre.sub.push(~i)
- ;; else if (first`.eq("}\0") == false)
- _printf("Expected integer for array type or '}':")
- _printf(" \0")
- print_token(first`)
- _printf("\n\0")
- ;; else
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
- ;/
-
- out.sub.push(~pre)
- first` = produce_next_token(fin, first`)
+/; _advance_check(~utils.File fin, ~Token tok, ~uint8 eq) [bool]
+ /; if (tok`.eq(eq) == true)
+ Token tmp = produce_next_token(fin, tok`)
+ tok`.end()
+ tok` = tmp
+ return true
;/
+ return false
+;/
- /; if (first`._type !== TTYPE_KEYTP && first`._type !== TTYPE_USRWD)
- _printf("Expected key type or user type:")
- _printf(" \0")
- print_token(first`)
- _printf("\n\0")
- ;/
-
- # Are we a void type? (Matters for getting params or )
- bool vd = false
- /; if (first`.eq("void\0") == true)
- vd = true
- ;/
+/; _ast_print_err (~Token tok, ~uint8 msg)
+ _printf(msg)
+ _printf(":\n\0")
+ _printf(" \0")
+ print_token(tok`)
+ _printf("\n\0")
+;/
- # Fully qualified type name
- /; if (first`._type == TTYPE_USRWD)
- /; loop (bool run = true; run == true)
- Node usr
- usr.init(NTYPE_ID, first`.data)
- first` = produce_next_token(fin, first`)
- out.sub.push(~usr)
-
- /; if (first`.eq(".\0") == true)
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- /; if (first`._type !== TTYPE_USRWD)
- run = false
- _printf("Expected completion of user type:")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
- ;/
- ;; else
- run = false
- ;/
- ;/
- ;; else
- Node tp
- tp.init(NTYPE_ID, first`.data)
- out.sub.push(~tp)
+# Top level directives
- first` = produce_next_token(fin, first`)
- ;/
+/; _ast_import (~utils.File fin, ~Node mod, ~Token first)
- # Generics or void call type
- /; if (first`._type == TTYPE_DELIM && first`.data` == '(')
- _ast_type_list(fin, ~out, first)
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
+ /; if (first`._type !== TTYPE_LITRL || first`.data` !== '"')
+ _ast_print_err(first, "Expected string or import literal after 'import'\0")
- # Void return type
- /; if (vd && first`._type == TTYPE_DELIM && first`.data` == '[')
- _ast_type_list(fin, ~out, first)
Token tmp = produce_next_token(fin, first`)
first`.end()
first` = tmp
+
+ return
;/
- # Reference
- /; if (first`.eq("`\0") == true)
- Node post
- post.init(NTYPE_PRE_OP, first`.data)
-
- out.sub.push(~post)
- first` = produce_next_token(fin, first`)
- ;/
-
- mod`.sub.push(~out)
-;/
-
-/; _ast_decl (~utils.File fin, ~Node mod, ~Token first)
-;/
-
-/; _ast_decl_list (~utils.File fin, ~Node mod, ~Token first)
-
-;/
+ ~uint8 rel = utils.unquote_str(first`.data)
+ utils.File imp = fin`.relative(rel)
+ _delete(rel)
-/; _ast_expr (~utils.File fin, ~Node mod, ~Token first)
-
-;/
+ rel = imp.path.to_cstr('/')
+ _printf("Importing \0")
+ _printf(rel)
+ _printf("\n\0")
+ _delete(rel)
-/; _ast_maybe_expr_decl (~utils.File fin, ~Node mod, ~Token first)
- # Handle the case where it's ambiguous whether we have a type definition or an expression
+ _ast_file(~imp, mod)
+ imp.end()
+ Token tmp = produce_next_token(fin, first`)
+ first`.end()
+ first` = tmp
;/
-/; _ast_expr_list(~utils.File fin, ~Node mod, ~Token first)
- uint8 closing = _get_closing_delim(first`.data`)
-
- Node expr_list
- expr_list.init(NTYPE_ELIST, first`.data)
-
- first` = produce_next_token(fin, first`)
- bool run = true
-
- /; if (first`._type == TTYPE_DELIM && first`.data` == closing)
- run = false
- ;; else
- _ast_maybe_expr_decl(fin, ~expr_list, first)
- ;/
+/; _ast_asm (~utils.File fin, ~Node mod, ~Token first)
- /; loop (run == true && first`._type !== TTYPE_ERR)
- /; if (first`._type == TTYPE_DELIM && first`.data` == closing)
- run = false
- ;; else if (first`._type == TTYPE_SEP && first`.eq(";\0"))
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
+ /; if (first`._type !== TTYPE_LITRL || first`.data` !== '"')
+ _ast_print_err(first, "Expected string literal after 'ast'\0")
- _ast_maybe_expr_decl(fin, ~expr_list, first)
- ;; else
- _printf("Unexpected token when parsing a list of types:\n\0")
- _printf(" \0")
- print_token(first`)
- _printf("\n\0")
-
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
+ Token tmp = produce_next_token(fin, first`)
+ first`.end()
+ first` = tmp
+
+ return
;/
-
- mod`.sub.push(~expr_list)
-;/
-
-/; _ast_type_list (~utils.File fin, ~Node mod, ~Token first)
- uint8 closing = _get_closing_delim(first`.data`)
-
- Node type_list
- type_list.init(NTYPE_TLIST, first`.data)
+
+ Node an
+ an.init(NTYPE_ASM, utils.unquote_str(first`.data))
+ mod`.sub.push(~an)
Token tmp = produce_next_token(fin, first`)
+ first`.end()
first` = tmp
- bool run = true
- /; if (first`._type == TTYPE_DELIM && first`.data` == closing)
- run = false
- ;; else if (first`._type == TTYPE_KEYTP || first`._type == TTYPE_USRWD || first`.eq("~\0") == true)
- _ast_type(fin, ~type_list, first)
- ;; else
- _printf("Expected type or closing of type list:\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
- ;/
-
- /; loop (bool run = true; run == true && first`._type !== TTYPE_ERR)
- /; if (first`._type == TTYPE_DELIM && first`.data` == closing)
- run = false
- ;; else if (first`._type == TTYPE_SEP && first`.eq(",\0"))
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
-
- /; if (first`._type == TTYPE_KEYTP || first`._type == TTYPE_USRWD || first`.eq("~\0") == true)
- _ast_type(fin, ~type_list, first)
- ;/
- ;; else
- _printf("Expected comma ',' and then type:\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
-
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
- ;/
-
- mod`.sub.push(~type_list)
;/
/; _ast_struct (~utils.File fin, ~Node mod, ~Token first)
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
+
+ # Identifier check
+ /; if (first`._type !== TTYPE_USRWD)
+ _ast_print_err(first, "Expected new identifier for typedef after 'struct'\0")
- /; if (tmp._type !== TTYPE_USRWD)
- _printf("Unexpected token after struct keyword:\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
+ Token tmp = produce_next_token(fin, first`)
+ first`.end()
+ first` = tmp
+
return
;/
- Node out
- out.init(NTYPE_STRUCT, tmp.data)
+ # Root struct node
+ Node sct
+ sct.init(NTYPE_STRUCT, first`.data)
+ first` = produce_next_token(fin, first`)
- first` = produce_next_token(fin, tmp)
- _ast_decl_list(fin, out, first)
+ # Check for def list
+ /; if (first`._type !== TTYPE_DELIM || first`.data` !== '{')
+ _ast_print_err(first, "Expected new identifier for typedef after 'struct'\0")
+ mod`.sub.push(~sct)
- mod`.sub.push(~out)
-;/
-
-/; _ast_method (~utils.File fin, ~Node mod, ~Token first)
- Token tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
-
- /; if (tmp._type !== TTYPE_USRWD)
- _printf("Expected a user-defined type after 'method':\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
+ Token tmp = produce_next_token(fin, first`)
+ first`.end()
+ first` = tmp
+
return
;/
- Node out
- out.init(NTYPE_METHOD, tmp.data)
-
- tmp = produce_next_token(fin, tmp)
- first` = tmp
- /; loop (first`._type !== TTYPE_ERR && first`.eq(";;\0") == false && first`.eq(";/\0") == false)
- /; if (first`.eq("/;\0") == true)
- tmp = produce_next_token(fin, tmp)
- first`.end()
- first` = tmp
- _ast_function(fin, ~out, first)
-
- /; loop (first`.eq(";;") == true)
- tmp = produce_next_token(fin, tmp)
- first`.end()
- first` = tmp
- _ast_function(fin, ~out, first)
- ;/
- ;; else
- _printf("Expected only function blocks in method block:\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
-
- tmp = produce_next_token(fin, tmp)
- first`.end()
- first` = tmp
- ;/
- ;/
-
- mod`.sub.push(~out)
-;/
-
-/; _ast_asm(~utils.File fin, ~Node mod, ~Token first)
+ # Parse deflist and push root node into module
+ _ast_list_def(fin, mod, first)
+ mod`.sub.push(~sct)
+
Token tmp = produce_next_token(fin, first`)
first`.end()
first` = tmp
-
- /; if (tmp._type !== TTYPE_LITRL || tmp.data{0} !== '"')
- _printf("Expected string token after 'asm' keyword:\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
- return
- ;/
-
- Node out
- out.init(NTYPE_ASM, utils.unquote_str(tmp.data))
-
- mod`.sub.push(~out)
- first` = produce_next_token(fin, tmp)
- tmp.end()
;/
-/; _ast_function (~utils.File fin, ~Node mod, ~Token first)
+/; _ast_decl (~utils.File fin, ~Node mod, ~Token first)
Token tmp = produce_next_token(fin, first`)
first`.end()
first` = tmp
- /; if (tmp._type !== TTYPE_USRWD)
- _printf("Expected function name (Compiler bug, not user program issue):\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
- return
- ;/
-
- uint line = first`.line
- /; loop (line == first`.line)
- ;/
;/
-/; _ast_block (~utils.File fin, ~Node mod, ~Token first)
+/; _ast_top_block(~utils.File fin, ~Node mod, ~Token first)
Token tmp = produce_next_token(fin, first`)
first`.end()
first` = tmp
- /; if (tmp._type == TTYPE_USRWD)
- _ast_function(fin, mod, first)
- ;; else if (tmp.eq("method\0") == true)
- _ast_method(fin, mod, first)
- ;; else if (tmp.eq("module\0") == true || tmp.eq("export\0") == true)
- _ast_module(fin, mod, first)
- ;; else
- _printf("Expected function definition, 'method', or 'module' after block opening (root of file or module):\n\0")
- _printf(" \0")
- print_token(tmp)
- _printf("\n\0")
- ;/
-
- /; if (first`.eq(";;\0") == true)
- _ast_block(fin, mod, first)
- ;; else
- tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
;/
-/; _ast_module (~utils.File fin, ~Node mod, ~Token first)
- Token tmp
- uint16 _type = NTYPE_MODULE
- /; if (first`.eq("export\0"))
- _type = NTYPE_EXPORT
- tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
-
- tmp = produce_next_token(fin, first`)
+/; _ast_module(~utils.File fin, ~Node mod, ~Token first)
+ Token tmp = produce_next_token(fin, first`)
first`.end()
first` = tmp
- /; if (tmp._type !== TTYPE_USRWD)
- _printf("Expected module name: \0")
- print_token(tmp)
- return
- ;/
-
- Node out
- out.init(_type, tmp.data)
-
- tmp = produce_next_token(fin, first`)
- first` = tmp
- /; loop(first`._type !== TTYPE_ERR && first`.eq(";;\0") == false && first`.eq(";/\0") == false)
- /; if (first`.eq("import\0") == true)
- _ast_import(fin, ~out, first)
- ;; else if (first`.eq("struct\0") == true)
- _ast_struct(fin, ~out, first)
- ;; else if (first`.eq("asm\0") == true)
- _ast_asm(fin, ~out, first)
- ;; else if (first`.eq("/;\0") == true)
- _ast_block(fin, ~out, first)
- ;; else if (first`._type == TTYPE_KEYTP || first`._type == TTYPE_USRWD || first`.eq("~\0") == true)
- _ast_decl(fin, ~out, first)
- ;; else
- tmp = produce_next_token(fin, first`)
- first`.end()
- first` = tmp
- ;/
- ;/
-
- mod`.sub.push(~out)
;/
/; _ast_file (~utils.File fin, ~Node mod)
@@ -464,17 +192,22 @@ struct Node {
Token first = produce_first_token(fin)
/; loop (first._type !== TTYPE_ERR)
- /; if (first.eq("import\0") == true)
+ /; if (_advance_check(fin, ~first, "import\0") == true)
_ast_import(fin, mod, ~first)
- ;; else if (first.eq("struct\0") == true)
+ ;; else if (_advance_check(fin, ~first, "struct\0") == true)
_ast_struct(fin, mod, ~first)
- ;; else if (first.eq("asm\0") == true)
+ ;; else if (_advance_check(fin, ~first, "asm\0") == true)
_ast_asm(fin, mod, ~first)
;; else if (first.eq("/;\0") == true)
- _ast_block(fin, mod, ~first)
+ _ast_top_block(fin, mod, ~first)
;; else if (first._type == TTYPE_KEYTP || first._type == TTYPE_USRWD || first.eq("~\0") == true)
_ast_decl(fin, mod, ~first)
;; else
+ _printf("Expected 'import', 'struct', 'asm', block, or declaration in top level:\n\0")
+ _printf(" \0")
+ print_token(first)
+ _printf("\n\0")
+
Token tmp = produce_next_token(fin, first)
first.end()
first = tmp
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-19 21:26:23 +0000