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/##
Copyright 2021-2022 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
#/
;{}{}charp COMMON_ASM = {
"\tret",
"\tpush %",
"\tpop %"
}
;struct VType {
uint
_size,
int
ptr,
{}charp name
}
;struct VTrack {
{}{}charp
sym_names,
{}VType
sym_types
}
# Sizes of items
;{}VType type_table = {
{1, 0, "int8"},
{2, 0, "int16"},
{4, 0, "int32"},
{8, 0, "int64"},
{8, 0, "int"},
{1, 0, "uint8"},
{2, 0, "uint16"},
{4, 0, "uint32"},
{8, 0, "uint64"},
{8, 0, "uint"},
{4, 0, "float32"},
{8, 0, "float64"},
{8, 0, "float"},
{1, 0, "bool"},
{8, 0, "void"}
}
# Null type
;VType NT = {0, 0, "null"}
/; name_to_index ({}charp name, ~VTrack tab) [int]
/; loop (int i = 0; i < len tab`.sym_names) [i++]
/; if (string_equate(tab`.sym_names{i}, name))
;return i
;/
;/
;tnsl.io.print("Failed to find vairable ")
;tnsl.io.println(name)
;return -1
;/
/; index_to_loc (int index, ~VTrack tab) [{}charp]
;{}charp out = ""
;int stack_bytes = 0
;int reg = 0
;int i = 0
/; loop (i < index) [i++]
/; if (tab`.sym_types{i}._size !> 8 && reg < 7)
;reg++
;; else
;stack_bytes = stack_bytes + tab`.sym_types{i}._size
;/
;/
;return out
;/
/; token_is(~int cur, ~{}Token data, {}charp str) [bool]
;return string_equate(data`{cur`}.data`, str)
;/
/; skip_to_name (~int cur, ~{}Token data)
;int tmp = 0
/; loop (cur` < len data`) [cur`++]
;tmp = cur` + 1
/; if (data`{cur`}.token_type == TOKEN_TYPE.DEFWORD && ( token_is(~tmp, data, ",") || token_is(~tmp, data, ")") ))
;break
;/
;/
;/
/; vtype_by_name ({}charp name) [VType]
/; loop (int i = 0; i < len type_table) [i++]
;VType tmp = tnslc.type_table{i}
/; if (string_equate(name, tmp.name))
;return tmp
;/
;/
;return NT
;/
/; get_vtype (~int cur, ~{}Token data) [VType]
;uint ptr = 0
;VType out = NT
/; loop (cur` < len data`) [cur`++]
;int i = data`{cur`}.token_type
/; if (token_is(cur, data, "~") || token_is(cur, data, "{"))
;ptr++
;; else if (i == TOKEN_TYPE.DEFWORD || i == TOKEN_TYPE.KEYTYPE)
;out = vtype_by_name(data`{cur`}.data`)
;break
;; else if (!token_is(cur, data, "}"))
;break
;/
;/
;out.ptr = ptr
;return out
;/
/; setup_vtrack (~int cur, ~{}Token data, ~VTrack tab)
;cur`++
;VType last = NT
/; loop (cur` < len data`) [cur`++]
;int pre_skip = cur`
/; if (token_is(cur, data, ")"))
;break
;; else if (!token_is(cur, data, ","))
;skip_to_name(cur, data)
/; if (pre_skip == cur`)
;tab`.sym_types.append(last)
;tab`.sym_names.append(data`{cur`}.data`)
;; else
;cur` = pre_skip
;last = get_vtype(cur, data)
;skip_to_name(cur, data)
;tab`.sym_types.append(last)
;tab`.sym_names.append(data`{cur`}.data`)
;/
;/
;/
;/
/; compile_statement (~int cur, ~{}Token data, ~{}charp hsec, csec, dsec)
;cur`++
/; if (cur` < len data`)
/; if (token_is(cur, data, "asm"))
;cur`++
;{}charp raw_asm = unquote_string(data`{cur`}.data`)
;raw_asm.append('\n')
;csec`.append('\t')
;add_strings(csec, ~raw_asm)
;/
;/
;/
/; compile_block (~int cur, ~{}Token data, ~{}charp hsec, csec, dsec)
;VTrack tab = { {}, {} }
;{}charp name = ""
;bool r = false
/; loop (cur`++; cur` < len data`) [cur`++]
/; if (data`{cur`}.token_type == TOKEN_TYPE.DEFWORD && len name == 0)
;name = data`{cur`}.data`
;add_strings(csec, ~name)
;csec`.append(':')
;csec`.append('\n')
;; else if (token_is(cur, data, "("))
;setup_vtrack(cur, data, ~tab)
;; else if (token_is(cur, data, "["))
/; loop (cur`++; cur` < len data`) [cur`++]
/; if (token_is(cur, data, "]"))
;break
;/
;/
;; else if (token_is(cur, data, "raw"))
;r = true
;; else
;break
;/
;/
/; if (!r)
;header_guard(tab, csec)
;/
/; loop (cur` < len data`) [cur`++]
/; if (string_equate(data`{cur`}.data`, ";/"))
;add_strings(csec, ~(tnslc.COMMON_ASM{0}))
;break
;; else if (string_equate(data`{cur`}.data`, "/;"))
;bool ch = true
/; loop (ch)
;compile_block(cur, data, hsec, csec, dsec)
/; if (cur` !< len data`)
;break
;/
;ch = string_equate(data`{cur`}.data`, ";;")
;/
;; else if (string_equate(data`{cur`}.data`, ";"))
;compile_statement(cur, data, hsec, csec, dsec)
;; else
;tnsl.io.print("Failed to compile token [compile_block]: ")
;data`{cur`}.print()
;tnsl.io.println("")
;break
;/
;/
/; if (!r)
;tail_guard(csec)
;/
;csec`.append('\n')
;/
/; do_compile ({}charp file, ~{}Token data)
;{}charp hsec = ".global main\n"
;{}charp csec = ".text\n"
;{}charp dsec = ".data\n"
;int j = len data`
/; loop (int i = 0; i < j) [i++]
/; if (string_equate(data`{i}.data`, "/;"))
;compile_block(~i, data, ~hsec, ~csec, ~dsec)
;; else if (string_equate(data`{i}.data`, ";"))
;compile_statement(~i, data, ~hsec, ~csec, ~dsec)
;; else
;break
;/
;/
;tnsl.io.File out = tnsl.io.writeFile(file)
/; loop (int i = 0; i < len hsec) [i++]
;out.write(hsec{i})
;/
;out.write('\n')
/; loop (int i = 0; i < len csec) [i++]
;out.write(csec{i})
;/
;out.write('\n')
/; loop (int i = 0; i < len dsec) [i++]
;out.write(dsec{i})
;/
;out.write('\n')
;out.close()
;/
|
