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Lobo Torres 2024-12-05 12:50:29 -03:00
parent 04efdcac8e
commit afa2589672
7 changed files with 148 additions and 121 deletions
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18
LICENSE
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@ -1,7 +1,19 @@
Copyright (c) 2024 Lobo Torres <lobo@quiltro.org>
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

9
Makefile
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@ -1,14 +1,19 @@
.POSIX:
.SUFFIXES:
PREFIX=/usr/local
SRCDIR=${PREFIX}/src
HARESRCDIR=${SRCDIR}/hare
HARE=hare
HAREPATH=vendor/hare-unicode:${HARESRCDIR}/stdlib:${HARESRCDIR}/third-party
.PHONY: check build
.PHONY: check build clean
check:
@env HAREPATH=${HAREPATH} hare test -T +test
build:
@env HAREPATH=${HAREPATH} hare build
@env HAREPATH=${HAREPATH} hare build cmd/kj
clean:
rm -f kj

6
README.md
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@ -1,5 +1,5 @@
# bnm
my silly catlang, partly inspired by [Scheme](https://r7rs.org/) and
# kojote
the catlang that sings, partly inspired by [Scheme](https://r7rs.org/) and
[Min](https://min-lang.org/).
currently _very_ work in progress :P

5
cmd/kj/main.ha Normal file
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@ -0,0 +1,5 @@
use fmt;
export fn main() void = {
fmt::println("Hello, world!")!;
};

106
parse/+test/lexer.ha Normal file
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@ -0,0 +1,106 @@
use memio;
use fmt;
use strings;
use io;
@test fn lex() void = {
const cases: [_](str, []token) = [
(`"hello" \greeting def`,
["hello", mksym("greeting"), mkword("def")]),
(`[dup *] (a -- a) \square def`,
[quotstart, mkword("dup"), mkword("*"), quotend,
mkcomment("a -- a"), mksym("square"),
mkword("def")]),
(`#t #f`, [true, false]),
(`#\a #\space #\nul`, ['a', ' ', '\0']),
];
for (let i = 0z; i < len(cases); i += 1) {
const src = strings::toutf8(cases[i].0);
const src = memio::fixed(src);
const lexer = newlexer(&src, "<string>");
defer close(&lexer);
for (let j = 0z; j < len(cases[i].1); j += 1) {
const want = cases[i].1[j];
const have = lex(&lexer)! as token;
if (!tokeq(want, have)) {
fmt::printfln("Case {}: {}", i, cases[i].0)!;
fmt::print("\tExpected: ")!;
tokpp(want);
fmt::print("\tGot: ")!;
tokpp(have);
assert(false);
};
};
assert(lex(&lexer) is io::EOF);
};
};
fn tokeq(have: token, want: token) bool = {
match (want) {
case quotstart =>
return have is quotstart;
case quotend =>
return have is quotend;
case mapstart =>
return have is mapstart;
case mapend =>
return have is mapend;
case let w: word =>
return (have as word).v == w.v;
case let s: str =>
return have as str == s;
case let s: symbol =>
return (have as symbol).v == s.v;
case let c: comment =>
return (have as comment).v == c.v;
case let r: rune =>
return have as rune == r;
case let b: bool =>
return have as bool == b;
};
};
fn tokpp(tok: token) void = {
match (tok) {
case quotstart =>
fmt::println("[")!;
case quotend =>
fmt::println("]")!;
case mapstart =>
fmt::println("{")!;
case mapend =>
fmt::println("}")!;
case let w: word =>
fmt::println(w.v)!;
case let s: symbol =>
fmt::printfln("{}{}", if (s.kw) ":" else "\\", s.v)!;
case let s: str =>
fmt::printfln(`"{}"`, s)!;
case let c: comment =>
fmt::printfln("({})", c.v)!;
case let r: rune =>
for (let i = 0z; i < len(longcharnames); i += 1) {
if (r == longcharnames[i].1) {
fmt::printfln("#\\{}", longcharnames[i].0)!;
return;
};
};
fmt::printfln("#\\{}", r)!;
case let b: bool =>
fmt::println(if (b) "#t" else "#f")!;
};
};
fn mkword(v: const str) word =
word{ v = v };
fn mkcomment(v: const str) comment =
comment{ v = v };
fn mksym(v: const str, kw: bool = false) symbol =
symbol{ v = v, kw = kw };

125
parse/lex.ha
View file

@ -9,14 +9,12 @@ use strconv;
use fmt;
use strings;
// my cod prob sux :(
def longcharnames: [_](str, rune) = [
("nul", '\u0000'),
("alarm", '\u0007'),
("backspace", '\u0008'),
("newline", '\u000a'),
("tab", '\u0009'),
("newline", '\u000a'),
("linefeed", '\u000a'),
("vtab", '\u000b'),
("page", '\u000c'),
@ -273,14 +271,17 @@ fn scanescape(lex: *lexer) (rune | error) = {
};
switch (rn) {
case '"' =>
return '"';
case '\\' =>
return '\\';
case 'n' =>
return '\n';
case 't' =>
return '\t';
case '0' => return '\0';
case 'a' => return '\a';
case 'b' => return '\b';
case 'e' => return '\x1b';
case 'f' => return '\f';
case 'n' => return '\n';
case 'r' => return '\r';
case 't' => return '\t';
case 'v' => return '\v';
case '\\' => return '\\';
case '"' => return '"';
case =>
return lex.loc: invalid;
};
@ -307,105 +308,3 @@ fn isdelimiter(rn: rune) bool = {
return false;
};
};
@test fn lex() void = {
const cases: [_](str, []token) = [
(`"hello" \greeting def`,
["hello", mksym("greeting"), mkword("def")]),
(`[dup *] (a -- a) \square def`,
[quotstart, mkword("dup"), mkword("*"), quotend,
mkcomment("a -- a"), mksym("square"),
mkword("def")]),
(`#t #f`, [true, false]),
(`#\a #\space #\nul`, ['a', ' ', '\0']),
];
for (let i = 0z; i < len(cases); i += 1) {
const src = strings::toutf8(cases[i].0);
const src = memio::fixed(src);
const lexer = newlexer(&src, "<string>");
defer close(&lexer);
for (let j = 0z; j < len(cases[i].1); j += 1) {
const want = cases[i].1[j];
const have = lex(&lexer)! as token;
if (!tokeq(want, have)) {
fmt::printfln("Case {}: {}", i, cases[i].0)!;
fmt::print("\tExpected: ")!;
tokpprint(want);
fmt::print("\tGot: ")!;
tokpprint(have);
assert(false);
};
};
assert(lex(&lexer) is io::EOF);
};
};
fn tokeq(have: token, want: token) bool = {
match (want) {
case quotstart =>
return have is quotstart;
case quotend =>
return have is quotend;
case mapstart =>
return have is mapstart;
case mapend =>
return have is mapend;
case let w: word =>
return (have as word).v == w.v;
case let s: str =>
return have as str == s;
case let s: symbol =>
return (have as symbol).v == s.v;
case let c: comment =>
return (have as comment).v == c.v;
case let r: rune =>
return have as rune == r;
case let b: bool =>
return have as bool == b;
};
};
fn tokpprint(tok: token) void = {
match (tok) {
case quotstart =>
fmt::println("[")!;
case quotend =>
fmt::println("]")!;
case mapstart =>
fmt::println("{")!;
case mapend =>
fmt::println("}")!;
case let w: word =>
fmt::println(w.v)!;
case let s: symbol =>
fmt::printfln("{}{}", if (s.kw) ":" else "\\", s.v)!;
case let s: str =>
fmt::printfln(`"{}"`, s)!;
case let c: comment =>
fmt::printfln("({})", c.v)!;
case let r: rune =>
for (let i = 0z; i < len(longcharnames); i += 1) {
if (r == longcharnames[i].1) {
fmt::printfln("#\\{}", longcharnames[i].0)!;
return;
};
};
fmt::printfln("#\\{}", r)!;
case let b: bool =>
fmt::println(if (b) "#t" else "#f")!;
};
};
fn mkword(v: const str) word =
word{ v = v };
fn mkcomment(v: const str) comment =
comment{ v = v };
fn mksym(v: const str, kw: bool = false) symbol =
symbol{ v = v, kw = kw };

0
test.bnm → test.kj
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