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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
#/
/; is_float (~{}uint8 dat) [bool]
;return is_numeric_literal(dat) && is_in_string(dat, '.')
;/
/; break_token ({}uint8 dat, uint8 c) [bool]
/; if (len dat == 0)
;return false
;; else if (dat{0} == '"' || dat{0} == '\'')
;return string_closed(dat, c)
;; else if (is_in_string(~RESERVED, dat{len dat - 1}))
/; if (is_in_string(~RESERVED, c))
;dat.append(c)
;return get_token_type(~dat) == TOKEN_TYPE.DEFWORD
;; else if (len dat == 1 && dat{0} == '.')
;return !is_digit(c)
;/
;return true
;; else if (is_in_string(~RESERVED, c))
/; if (is_numeric_literal(~dat) && !is_float(~dat) && c == '.')
;return false
;/
;return true
;/
;return is_whitespace(c)
;/
/; strip_and_expand (~{}Token dat) [{}Token]
;{}Token out = {}
;bool cblk = false
/; loop (int i = 0; i < len dat`) [i++]
/; if (!cblk)
/; if (string_equate(dat`{i}.data`, "/#"))
;cblk = true
;; else
;out.append(dat`{i})
;/
;; else if (string_equate(dat`{i}.data`, "#/"))
;cblk = false
;/
;/
;return out
;/
/; tokenize (tnsl.io.File fstr) [~{}Token]
;{}Token out = {}
;{}uint8 tdat = {}
;bool comment = false
;int line = 1, col = 1
/; loop (int i = fstr.read(); i !== -1) [i = fstr.read()]
/; if (break_token(tdat, i) && !comment)
/; if (len tdat == 1 && tdat{0} == '#')
;tdat = {}
;comment = true
;; else if (len tdat > 0)
;{}uint8 tmp = tdat
;Token ttk = {get_token_type(~tmp), line, col, ~tmp}
;out.append(ttk)
;tdat = {}
;/
;/
/; if ( !is_whitespace(i) && !comment )
;tdat.append(i)
;; else if (i == '\n')
;line++
;col = 0
/; if (comment)
;comment = false
;/
;/
;col++
;/
/; if (len tdat > 0)
;Token ttk = {get_token_type(~tdat), line, col, ~tdat}
;out.append(ttk)
;/
;out = strip_and_expand(~out)
;return ~out
;/
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