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1 files changed, 295 insertions, 0 deletions

diff --git a/tnslc/parse/token.tnsl b/tnslc/parse/token.tnsl
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+/#
+	Copyright 2021 Kyle Gunger
+
+	This file is licensed under the CDDL 1.0 (the License)
+	and may only be used in accordance with the License.
+	You should have received a copy of the License with this
+	software/source code. If you did not, a copy can be found
+	at the following URL:
+
+	https://opensource.org/licenses/CDDL-1.0
+
+	THIS SOFTWARE/SOURCE CODE IS PROVIDED "AS IS" WITH NO
+	WARRANTY, GUARANTEE, OR CLAIM OF FITNESS FOR ANY PURPOSE
+	EXPRESS OR IMPLIED
+#/
+
+/# The various types of tokens #/
+; enum TOKEN_TYPE [int] {
+	LINESEP = 0,
+	INLNSEP = 1,
+	DELIMIT = 2,
+	AUGMENT = 3,
+	LITERAL = 4,
+	KEYTYPE = 5,
+	PREWORD = 6,
+	KEYWORD = 7,
+	DEFWORD = 8
+}
+
+/# Token struct definition #/
+; struct Token {
+	int
+		token_type,
+		line,
+		col,
+
+	~{}charp
+		data
+}
+
+/; method Token
+
+	/; operator delete
+		;delete self.data
+	;/
+
+	/; add_char (~{}charp part)
+		# ;uint l = len self.data`
+		# ;realloc self.data, l + len part
+		/;loop (int i = 0; i < len part`) [i++]
+			# ;self.data`{l + i} = part{i}
+			;self.data`.append(part`{i})
+		;/
+	;/
+;/
+
+/#
+	Reserved words and characters, as well as
+	helper funcs for checking their token types.
+#/
+
+;{}{}charp PREWORDS = {
+	"include",
+	"define",
+	"extern",
+	"size",
+	"align",
+	"address",
+	"rootfile",
+	"if",
+	"else",
+	"abi"
+}
+
+;const {}{}charp KEYTYPES = {
+	"bool",
+	"char",
+	"charp",
+
+	"int8",
+	"int16",
+	"int32",
+	"int64",
+	"int",
+	"uint8",
+	"uint16",
+	"uint32",
+	"uint64",
+	"uint",
+
+	"float32",
+	"float64",
+	"float",
+
+	"void",
+	"type"
+}
+
+;{}{}charp KEYWORDS = {
+	"struct",
+	"interface",
+	"enum",
+	"is",
+	"extends",
+	
+	"loop",
+	"continue",
+	"break",
+	
+	"match",
+	"case",
+	"default",
+	
+	"label",
+	"goto",
+	
+	"if",
+	"else",
+	
+	"const",
+	"static",
+	"volatile",
+	
+	"method",
+	"override",
+	"self",
+	"super",
+	"operator",
+	
+	"raw",
+	"asm",
+	"inline",
+
+	"delete",
+	
+	"module",
+	"export"
+}
+
+;{}{}charp LITERALS = {
+	"true",
+	"false"
+}
+
+;{}charp RESERVED = "`~!#%^&*()-=+[]{}|;:,.<>/"
+
+;{}charp DELIMITS = "()[]{}"
+;{}charp LINESEPS = ";:#"
+;{}charp INLNSEPS = ","
+;{}charp AUGMENTS = "~`.&|^><!+-*/%"
+
+;{}{}charp MDELIMITS = {
+	# Code block
+	"/;",
+	";/",
+	
+	# Comment block
+	"/#",
+	"#/",
+	
+	# Preproc block
+	"/:",
+	":/",
+
+	# Redef blocks
+	";;",
+	"::",
+	";#",
+	":#",
+	"#;",
+	"#:"
+}
+
+;{}{}charp MAUGMENTS = {
+	# Boolean
+	"==",
+	"&&",
+	"||",
+
+	# Bitwise shifts
+	"<<",
+	">>",
+
+	# PREaugmented augmentors
+	"&=",
+	"|=",
+	"^=",
+	"+=",
+	"-=",
+	"*=",
+	"/=",
+	"%=",
+	"~=",
+	"`=",
+
+	# POSTaugmented augmentors
+	"!&",
+	"!|",
+	"!^",
+	"!==",
+	"!&&",
+	"!||",
+	"!>",
+	"!<",
+	">==",
+	"<==",
+
+	# Increment and De-increment
+	"++",
+	"--"
+}
+
+;int MAX_MRESERVED = 3
+
+/##
+	Checks if the character point p is in the string cmp
+
+#; is_in_string (~{}charp cmp, charp p) [bool]
+
+	/; loop (int i = 0; i < len cmp`) [i++]
+		/; if (s == cmp`{i})
+			;return true
+		;/
+	;/
+
+	;return false
+;/
+
+/##
+	Checks if the string s is in the list cmp
+
+#; is_in_string_list (~{}{}charp cmp, ~{}charp s) [bool]
+
+	/; loop (int i = 0; i < len cmp`) [i++]
+
+		/; if (len s == len cmp`{i})
+
+			/; loop (int j = 0; j < len s`) [j++]
+
+				/; if (s`{j} !== cmp`{i}{j})
+					;break 1
+				;/
+			;/
+
+			;return true
+		;/
+
+	;/
+
+	;return false
+;/
+
+/#
+	Get the token_type value for a given string of character points
+
+#; get_token_type (~{}charp s) [int]
+
+	/; if (len s > 1)
+
+		/; if (is_in_string_list(~PREWORDS, s))
+			;return TOKEN_TYPE.PREWORD
+		;; else if (is_in_string_list(~KEYTYPES, s))
+			;return TOKEN_TYPE.KEYTYPE
+		;; else if (is_in_string_list(~KEYWORDS, s))
+			;return TOKEN_TYPE.KEYWORD
+		;; else if (is_in_string_list(~LITERALS, s))
+			;return TOKEN_TYPE.LITERAL
+		;; else if (is_in_string_list(~MDELIMITS, s))
+			;return TOKEN_TYPE.DELIMIT
+		;; else if (is_in_string_list(~MAUGMENTS, s))
+			;return TOKEN_TYPE.AUGMENT
+		;/
+
+		;return TOKEN_TYPE.DEFWORD
+
+	;;else if (len s` == 1)
+
+		/; if (is_in_string(~DELIMITS, s`{0}))
+			;return TOKEN_TYPE.DELIMIT
+		;; else if (is_in_string(~LINESEPS, s`{0}))
+			;return TOKEN_TYPE.LINESEP
+		;; else if (is_in_string(~INLNSEPS, s`{0}))
+			;return TOKEN_TYPE.INLNSEP
+		;; else if (is_in_string(~AUGMENTS, s`{0}))
+			;return TOKEN_TYPE.AUGMENT
+		;/
+
+		;return TOKEN_TYPE.DEFWORD
+	;/
+
+	# What, we just produce vacant tokens now?
+	# Something has gone wrong.
+
+	;return -1
+;/
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