general-packages/falcond
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Add better error logging and fix config parsing in newer zig versions

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This commit is contained in:
ferreo 2025-01-29 19:23:24 +00:00
parent 787bd99c06
commit d887536199
3 changed files with 56 additions and 20 deletions
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10
falcond/src/config/confloader.zig
View File

@ -20,7 +20,10 @@ pub fn loadConf(comptime T: type, allocator: std.mem.Allocator, path: []const u8
if (bytes_read != size) return error.UnexpectedEOF;
var parser = Parser(T).init(allocator, buffer);
return try parser.parse();
return parser.parse() catch |err| {
std.log.err("Failed to parse config file '{s}': {s}", .{ path, @errorName(err) });
return err;
};
}
pub fn loadConfDir(comptime T: type, allocator: std.mem.Allocator, dir_path: []const u8) !std.ArrayList(T) {
@ -43,7 +46,10 @@ pub fn loadConfDir(comptime T: type, allocator: std.mem.Allocator, dir_path: []c
defer allocator.free(content);
var parser = Parser(T).init(allocator, content);
const parsed = try parser.parse();
const parsed = parser.parse() catch |err| {
std.log.err("Failed to parse config file '{s}': {s}", .{ path, @errorName(err) });
return err;
};
try result.append(parsed);
}
}

64
falcond/src/config/parser.zig
View File

@ -81,17 +81,33 @@ pub fn Parser(comptime T: type) type {
return error.InvalidSyntax;
self.pos += 1;
const start = self.pos;
var escaped = false;
var result = std.ArrayList(u8).init(self.allocator);
errdefer result.deinit();
while (self.pos < self.content.len) : (self.pos += 1) {
switch (self.content[self.pos]) {
const c = self.content[self.pos];
if (escaped) {
switch (c) {
'"' => try result.append('"'),
'\\' => try result.append('\\'),
'n' => try result.append('\n'),
'r' => try result.append('\r'),
't' => try result.append('\t'),
else => return error.InvalidSyntax,
}
escaped = false;
continue;
}
switch (c) {
'"' => {
const str = try self.allocator.dupe(u8, self.content[start..self.pos]);
self.pos += 1;
return str;
return result.toOwnedSlice();
},
'\\' => return error.InvalidSyntax,
else => {},
'\\' => {
escaped = true;
},
else => try result.append(c),
}
}
return error.UnterminatedString;
@ -162,7 +178,10 @@ pub fn Parser(comptime T: type) type {
return values.toOwnedSlice();
}
const str = try self.parseString();
const str = self.parseString() catch |err| {
std.log.err("Failed to parse string at position {}: {s}", .{ self.pos, @errorName(err) });
return err;
};
try values.append(str);
self.skipWhitespace();
@ -174,8 +193,10 @@ pub fn Parser(comptime T: type) type {
self.pos += 1;
return values.toOwnedSlice();
}
std.log.err("Expected ',' or ']' but found '{c}' at position {}", .{ self.content[self.pos], self.pos });
return error.InvalidSyntax;
}
std.log.err("Unterminated array at position {}", .{self.pos});
return error.InvalidSyntax;
}
@ -258,11 +279,16 @@ pub fn Parser(comptime T: type) type {
@field(result, field.name) = @intCast(try self.parseNumber());
},
.array => |array_info| {
const array = try self.parseArray();
if (array.len > array_info.len) return error.InvalidSyntax;
@field(result, field.name) = undefined;
var dest = &@field(result, field.name);
@memcpy(dest[0..array.len], array);
switch (@typeInfo(array_info.child)) {
i64 => {
const array = try self.parseArray();
if (array.len > array_info.len) return error.InvalidSyntax;
@field(result, field.name) = undefined;
var dest = &@field(result, field.name);
@memcpy(dest[0..array.len], array);
},
else => return error.InvalidSyntax,
}
},
.@"enum" => {
const ident = try self.parseIdentifier();
@ -288,18 +314,22 @@ pub fn Parser(comptime T: type) type {
}
},
.pointer => |ptr_info| {
if (ptr_info.size != .many) return error.InvalidSyntax;
switch (ptr_info.child) {
if (ptr_info.size != .slice) {
return error.InvalidSyntax;
}
if (ptr_info.child == []const u8) {
@field(result, field.name) = try self.parseStringArray();
} else switch (ptr_info.child) {
u8 => {
@field(result, field.name) = try self.parseString();
},
i64 => {
@field(result, field.name) = try self.parseArray();
},
[]const u8 => {
@field(result, field.name) = try self.parseStringArray();
else => {
return error.InvalidSyntax;
},
else => return error.InvalidSyntax,
}
},
else => return error.InvalidSyntax,

2
main.sh
View File

@ -2,7 +2,7 @@
set -e
VERSION="1.0.8"
VERSION="1.0.9"
source ./pika-build-config.sh