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// SPDX-License-Identifier: GPL-3.0-only
// (c) Hare authors <https://harelang.org>
use bufio;
use fmt;
use hare::ast;
use hare::lex;
use hare::unparse;
use io;
use os;
use strings;
use unix::tty;
let no_color: bool = false;
// Formats output as Hare source code (prototypes) with syntax highlighting
export fn emit_tty(ctx: *context) (void | error) = {
if (os::tryenv("FORCE_COLOR", "") != "" ||
(os::tryenv("NO_COLOR", "") == "" &&
tty::isatty(os::stdout_file))) {
init_colors()?;
} else {
no_color = true;
};
const summary = ctx.summary;
if (ctx.ambiguous) {
const id = unparse::identstr(ctx.ident);
defer free(id);
if (!no_color) fmt::fprintf(ctx.out, "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprint(ctx.out, "// ")?;
if (!no_color) fmt::fprint(ctx.out, "\x1b[93m")?;
fmt::fprint(ctx.out, "NOTE")?;
if (!no_color) fmt::fprintf(ctx.out, "\x1b[m" "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprintf(ctx.out, ": {} also refers to module [[{}::]]",
id, id)?;
if (!no_color) fmt::fprint(ctx.out, "\x1b[m")?;
fmt::fprintln(ctx.out, "\n")?;
};
if (len(ctx.parse_errs) > 0) {
if (!no_color) fmt::fprintf(ctx.out, "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprint(ctx.out, "// ")?;
if (!no_color) fmt::fprint(ctx.out, "\x1b[93m")?;
fmt::fprint(ctx.out, "WARNING")?;
if (!no_color) fmt::fprintf(ctx.out, "\x1b[m" "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprintln(ctx.out,
": parsing errors occurred; documentation may be incomplete")?;
if (!no_color) fmt::fprint(ctx.out, "\x1b[m")?;
};
for (let i = 0z; i < len(ctx.parse_errs); i += 1) {
fmt::fprintln(ctx.out, "//", lex::strerror(ctx.parse_errs[i]))?;
};
if (len(ctx.parse_errs) > 0) {
fmt::fprintln(ctx.out)?;
};
match (ctx.readme) {
case let readme: io::file =>
let rbuf: [os::BUFSZ]u8 = [0...];
let readme = bufio::init(readme, rbuf, []);
let sc = bufio::newscanner(&readme);
defer bufio::finish(&sc);
for (let line => bufio::scan_line(&sc)?) {
firstline = false;
if (!no_color) fmt::fprintf(ctx.out, "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprint(ctx.out, "//", line)?;
if (!no_color) fmt::fprint(ctx.out, "\x1b[m")?;
fmt::fprintln(ctx.out)?;
};
case void => void;
};
emit_submodules_tty(ctx)?;
// XXX: Should we emit the dependencies, too?
let printed = false;
for (let t &.. summary.types) {
if (details_tty(ctx, t)?) {
printed = true;
};
};
for (let c &.. summary.constants) {
if (details_tty(ctx, c)?) {
printed = true;
};
};
for (let e &.. summary.errors) {
if (details_tty(ctx, e)?) {
printed = true;
};
};
for (let g &.. summary.globals) {
if (details_tty(ctx, g)?) {
printed = true;
};
};
for (let f &.. summary.funcs) {
if (details_tty(ctx, f)?) {
printed = true;
};
};
if (!printed) {
if (!firstline) {
fmt::fprintln(ctx.out)?;
};
if (!no_color) fmt::fprintf(ctx.out, "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprint(ctx.out, "// No exported declarations")?;
if (!no_color) fmt::fprint(ctx.out, "\x1b[m")?;
fmt::fprintln(ctx.out)?;
};
};
fn emit_submodules_tty(ctx: *context) (void | error) = {
const ident = unparse::identstr(ctx.ident);
defer free(ident);
let max_submod = 0z;
for (let submod .. ctx.submods) {
const ln = len(submod.name);
if (max_submod < ln) {
max_submod = ln;
};
};
if (len(ctx.submods) != 0) {
if (!firstline) {
fmt::fprintln(ctx.out)?;
};
firstline = false;
if (!no_color) fmt::fprintf(ctx.out, "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
if (len(ctx.ident) == 0) {
fmt::fprintln(ctx.out, "// Modules")?;
} else {
fmt::fprintln(ctx.out, "// Submodules")?;
};
for (let submod .. ctx.submods) {
const id = if (len(ident) != 0) {
yield strings::concat(ident, "::", submod.name)!;
} else {
yield strings::dup(submod.name)!;
};
defer free(id);
if (submod.desc != "") {
const padding = max_submod - len(submod.name);
fmt::fprintfln(ctx.out, "// - [[{}::]] {%}{}",
id,
"", &fmt::mods {
pad = ' ',
width = padding,
...
},
submod.desc)?;
} else {
fmt::fprintfln(ctx.out, "// - [[{}::]]", id)?;
};
};
};
};
fn details_tty(ctx: *context, decl: *ast::decl) (bool | error) = {
if (len(decl.docs) == 0 && !ctx.show_undocumented) {
return false;
};
if (!no_color) fmt::fprint(ctx.out, "\x1b[m")?; // reset styling
if (!firstline) {
fmt::fprintln(ctx.out)?;
};
firstline = false;
match (&decl.decl) {
case let d: *ast::decl_func =>
d.symbol = "";
case => void;
};
unparse::decl(ctx.out, &syn_tty, decl)?;
fmt::fprintln(ctx.out)?;
if (ctx.show_lineno) {
if (!no_color) fmt::fprintf(ctx.out, "\x1b[{}m",
color(unparse::synkind::COMMENT))?;
fmt::fprintfln(ctx.out, "// See {}:{}",
cwdpath(decl.loc.start.path), decl.loc.start.line)?;
};
return true;
};
fn syn_tty(
ctx: *unparse::context,
s: str,
kind: unparse::synkind,
) (size | io::error) = {
let z = 0z;
if (!no_color) z += fmt::fprintf(ctx.out, "\x1b[{}m", color(kind))?;
z += unparse::syn_wrap(ctx, s, kind)?;
if (!no_color) z += fmt::fprint(ctx.out, "\x1b[m")?;
return z;
};
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