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ac4624ae58
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6e8ee7831a
2 changed files with 0 additions and 114 deletions
82
src/lang.zig
82
src/lang.zig
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@ -1,82 +0,0 @@
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const std = @import("std");
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pub const ParseError = error{
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NoCommandGiven,
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UnknownCommand,
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};
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pub const CommandType = enum {
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Noop,
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Load,
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Amp,
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Quicksave,
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};
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pub const Command = struct {
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command: CommandType,
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args: ArgList,
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pub fn print(self: *const Command) void {
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std.debug.warn("cmd:{}\n", self.command);
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}
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};
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pub const CommandList = std.ArrayList(*Command);
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pub const ArgList = std.ArrayList([]const u8);
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pub fn commandToCmdType(command: []const u8) ParseError!CommandType {
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if (std.mem.eql(u8, command, "noop")) {
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return CommandType.Noop;
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} else if (std.mem.eql(u8, command, "load")) {
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return CommandType.Load;
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} else if (std.mem.eql(u8, command, "amp")) {
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return CommandType.Amp;
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} else if (std.mem.eql(u8, command, "quicksave")) {
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return CommandType.Quicksave;
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} else {
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std.debug.warn("Unknown command: '{}'\n", command);
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return ParseError.UnknownCommand;
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}
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}
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pub const Lang = struct {
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allocator: *std.mem.Allocator,
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pub fn init(allocator: *std.mem.Allocator) Lang {
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return Lang{ .allocator = allocator };
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}
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pub fn parse(self: *Lang, data: []const u8) !CommandList {
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var splitted_it = std.mem.separate(data, ";");
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var cmds = CommandList.init(self.allocator);
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while (splitted_it.next()) |stmt_orig| {
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var stmt = std.mem.trimRight(u8, stmt_orig, "\n");
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if (stmt.len == 0) continue;
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// TODO better tokenizer instead of just tokenize(" ");
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var tok_it = std.mem.tokenize(stmt, " ");
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var cmd_opt = tok_it.next();
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if (cmd_opt == null) return ParseError.NoCommandGiven;
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var command = cmd_opt.?;
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var ctype = try commandToCmdType(command);
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var args = ArgList.init(self.allocator);
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while (tok_it.next()) |arg| {
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try args.append(arg);
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}
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// construct final Command based on command
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var cmd_ptr = try self.allocator.create(Command);
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cmd_ptr.* = Command{ .command = ctype, .args = args };
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try cmds.append(cmd_ptr);
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}
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return cmds;
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}
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};
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// TODO tests
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32
src/main.zig
32
src/main.zig
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@ -16,7 +16,6 @@
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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const std = @import("std");
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const std = @import("std");
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const langs = @import("lang.zig");
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const c = @cImport({
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const c = @cImport({
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@cInclude("assert.h");
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@cInclude("assert.h");
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@ -303,37 +302,6 @@ pub fn main() !void {
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var arena = std.heap.ArenaAllocator.init(std.heap.c_allocator);
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var arena = std.heap.ArenaAllocator.init(std.heap.c_allocator);
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const allocator = &arena.allocator;
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const allocator = &arena.allocator;
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var lang = langs.Lang.init(allocator);
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//defer lang.deinit();
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var args_it = std.process.args();
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const exe_name = try (args_it.next(allocator) orelse @panic("expected exe name"));
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// args[1] is the path to scri file
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const scri_path = try (args_it.next(allocator) orelse @panic("expected scri path"));
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std.debug.warn("path: '{}'\n", scri_path);
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var file = try std.fs.File.openRead(scri_path);
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defer file.close();
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// sadly, we read it all into memory. such is life
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const total_bytes = try file.getEndPos();
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var data = try allocator.alloc(u8, total_bytes);
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_ = try file.read(data);
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var cmds = try lang.parse(data);
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var it = cmds.iterator();
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while (it.next()) |cmd| {
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cmd.print();
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}
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}
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pub fn oldMain() !void {
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var arena = std.heap.ArenaAllocator.init(std.heap.c_allocator);
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const allocator = &arena.allocator;
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var in_path: ?[]u8 = null;
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var in_path: ?[]u8 = null;
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var out_path: ?[]u8 = null;
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var out_path: ?[]u8 = null;
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