lang: work on some basics

lang: add credit to macro
lang: work on various things
2024-07-08 20:23:29 +02:00 · 2024-07-08 20:20:45 +02:00 · 2024-07-06 21:57:42 +02:00 · 2024-06-23 20:53:05 +02:00 · 2024-06-23 20:32:10 +02:00 · 2024-06-10 09:47:48 +02:00
76 changed files with 4540 additions and 113 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
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 version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"

+[[package]]
+name = "supports-color"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d6398cde53adc3c4557306a96ce67b302968513830a77a95b2b17305d9719a89"
+dependencies = [
+ "is-terminal",
+ "is_ci",
+]
+
+[[package]]
+name = "svg-filters"
+version = "0.1.0"
+dependencies = [
+ "csscolorparser",
+ "indexmap",
+ "petgraph",
+ "quick-xml",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.41"
@ -673,6 +1116,12 @@ dependencies = [
 "unicode-ident",
 ]

+[[package]]
+name = "text-size"
+version = "1.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f18aa187839b2bdb1ad2fa35ead8c4c2976b64e4363c386d45ac0f7ee85c9233"
+
 [[package]]
 name = "thiserror"
 version = "1.0.55"
@ -742,6 +1191,26 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"

+[[package]]
+name = "vte"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f5022b5fbf9407086c180e9557be968742d839e68346af7792b8592489732197"
+dependencies = [
+ "utf8parse",
+ "vte_generate_state_changes",
+]
+
+[[package]]
+name = "vte_generate_state_changes"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2e369bee1b05d510a7b4ed645f5faa90619e05437111783ea5848f28d97d3c2e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "wasi"
 version = "0.11.0+wasi-snapshot-preview1"
--- a/Cargo.toml
+++ b/Cargo.toml
@ -2,13 +2,16 @@
 members = [
  "crates/app",
  "crates/eval",
-  "crates/ir",
+  "crates/ir", 
+  "crates/lang", 
+  "crates/svg-filters",
 ]
 resolver = "2"

 [workspace.dependencies]
 clap = { version = "4", features = ["derive"] }
 serde = { version = "1.0", features = ["derive"] }
+petgraph = "0.6.4"

 # to enable all the lints below, this must be present in a workspace member's Cargo.toml:
 # [lints]
--- a/crates/app/Cargo.toml
+++ b/crates/app/Cargo.toml
@ -2,6 +2,7 @@
 name = "app"
 version = "0.1.0"
 edition = "2021"
+default-run = "app"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

--- a/crates/app/src/config/config_file.rs
+++ b/crates/app/src/config/config_file.rs
@ -5,7 +5,9 @@ use std::{

 use serde::{Deserialize, Serialize};

-use super::error::Config;
+use crate::error_reporting::{report_serde_json_err, report_serde_ron_err};
+
+use super::error::{self, Config};

 #[derive(Debug, Serialize, Deserialize)]
 pub struct Configs {
@ -40,14 +42,20 @@ pub(super) fn find_config_file() -> Result<PathBuf, Config> {
 }

 impl Configs {
-    pub fn read(p: PathBuf) -> Result<Self, Config> {
+    pub fn read(p: PathBuf) -> Result<Self, error::Config> {
        match p
            .extension()
            .map(|v| v.to_str().expect("config path to be UTF-8"))
        {
-            Some("ron") => Ok(serde_json::from_str(&fs::read_to_string(p)?)?),
-            Some("json") => Ok(ron::from_str(&fs::read_to_string(p)?)?),
-            e => Err(Config::UnknownExtension(e.map(str::to_owned))),
+            Some("ron") => {
+                let f = fs::read_to_string(p)?;
+                ron::from_str(&f).or_else(|e| report_serde_ron_err(&f, &e))
+            }
+            Some("json") => {
+                let f = fs::read_to_string(p)?;
+                serde_json::from_str(&f).or_else(|e| report_serde_json_err(&f, &e))
+            }
+            e => Err(error::Config::UnknownExtension(e.map(str::to_owned))),
        }
    }
 }
--- a/crates/app/src/error_reporting.rs
+++ b/crates/app/src/error_reporting.rs
@ -25,7 +25,7 @@ fn report_serde_err(src: &str, line: usize, col: usize, msg: String) -> ! {
        .finish()
        .eprint(("test", Source::from(src)))
        .expect("writing error to stderr failed");
-    process::exit(1);
+    process::exit(1)
 }

 /// Reconstruct a byte offset from the line + column numbers typical from serde crates
--- a/crates/lang/Cargo.toml
+++ b/crates/lang/Cargo.toml
@ -0,0 +1,25 @@
+[package]
+name = "lang"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+logos = "0.14"
+petgraph = { workspace = true}
+indexmap = "2.2.6"
+clap = { version = "4", features = ["derive"] }
+ariadne = "0.4.0"
+ego-tree = "0.6.2"
+rowan = "0.15.15"
+drop_bomb = "0.1.5"
+enumset = "1.1.3"
+indoc = "2"
+dashmap = "5.5.3"
+crossbeam = "0.8.4"
+owo-colors = {version = "4", features = ["supports-colors"]}
+strip-ansi-escapes = "0.2.0"
+
+[lints]
+workspace = true
--- a/crates/lang/src/ast.rs
+++ b/crates/lang/src/ast.rs
@ -0,0 +1,80 @@
+use crate::lst_parser::syntax_kind::SyntaxKind::*;
+use crate::SyntaxNode;
+use rowan::Language;
+
+// Heavily modified version of https://github.com/rust-analyzer/rowan/blob/e2d2e93e16c5104b136d0bc738a0d48346922200/examples/s_expressions.rs#L250-L266
+macro_rules! ast_nodes {
+    ($($ast:ident, $kind:ident);+) => {
+        $(
+            #[derive(Debug, Clone, PartialEq, Eq, Hash)]
+            #[repr(transparent)]
+            pub struct $ast(SyntaxNode);
+            impl rowan::ast::AstNode for $ast {
+                type Language = crate::Lang;
+
+                fn can_cast(kind: <Self::Language as Language>::Kind) -> bool {
+                    kind == $kind
+                }
+
+                fn cast(node: SyntaxNode) -> Option<Self> {
+                    if node.kind() == $kind {
+                        Some(Self(node))
+                    } else {
+                        None
+                    }
+                }
+
+                fn syntax(&self) -> &SyntaxNode {
+                    &self.0
+                }
+            }
+        )+
+    };
+}
+
+ast_nodes!(
+    Def, DEF;
+    DefName, DEF_NAME;
+    DefBody, DEF_BODY;
+
+    Mod, MODULE;
+    ModName, MODULE_NAME;
+    ModBody, MODULE_BODY;
+
+    Use, USE;
+    UsePat, USE_PAT;
+    PatItem, PAT_ITEM;
+    PatGlob, PAT_GLOB;
+    PatGroup, PAT_GROUP;
+
+    Literal, LITERAL;
+    IntLit, INT_NUM;
+    FloatLit, FLOAT_NUM;
+    StringLit, STRING;
+
+    Matrix, MATRIX;
+    MatrixRow, MAT_ROW;
+    Vector, VEC;
+    List, LIST;
+    CollectionItem, COLLECTION_ITEM;
+
+    ParenthesizedExpr, PARENTHESIZED_EXPR;
+    Expression, EXPR;
+
+    Pipeline, PIPELINE;
+
+    Instruction, INSTR;
+    InstructionName, INSTR_NAME;
+    InstructionParams, INSTR_PARAMS;
+
+    AttributeSet, ATTR_SET;
+    Attribute, ATTR;
+    AttributeName, ATTR_NAME;
+    AttributeValue, ATTR_VALUE;
+
+    ParseError, PARSE_ERR;
+    LexError, LEX_ERR;
+
+    Root, ROOT;
+    Eof, EOF
+);
--- a/crates/lang/src/lib.rs
+++ b/crates/lang/src/lib.rs
@ -0,0 +1,25 @@
+#![feature(type_alias_impl_trait, lint_reasons, box_into_inner)]
+
+use crate::lst_parser::syntax_kind::SyntaxKind;
+
+pub mod ast;
+pub mod lst_parser;
+pub mod world;
+
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
+pub enum Lang {}
+impl rowan::Language for Lang {
+    type Kind = SyntaxKind;
+    #[allow(unsafe_code)]
+    fn kind_from_raw(raw: rowan::SyntaxKind) -> Self::Kind {
+        assert!(raw.0 <= SyntaxKind::ROOT as u16);
+        unsafe { std::mem::transmute::<u16, SyntaxKind>(raw.0) }
+    }
+    fn kind_to_raw(kind: Self::Kind) -> rowan::SyntaxKind {
+        kind.into()
+    }
+}
+
+pub type SyntaxNode = rowan::SyntaxNode<Lang>;
+pub type SyntaxToken = rowan::SyntaxNode<Lang>;
+pub type SyntaxElement = rowan::NodeOrToken<SyntaxNode, SyntaxToken>;
--- a/crates/lang/src/lst_parser.rs
+++ b/crates/lang/src/lst_parser.rs
@ -0,0 +1,169 @@
+use drop_bomb::DropBomb;
+
+use self::{
+    error::SyntaxError,
+    events::{Event, NodeKind},
+    input::Input,
+    syntax_kind::SyntaxKind,
+};
+use std::cell::Cell;
+
+pub mod syntax_kind;
+#[cfg(test)]
+mod tests;
+
+pub mod error;
+pub mod events;
+pub mod grammar;
+pub mod input;
+pub mod output;
+
+const PARSER_STEP_LIMIT: u32 = 4096;
+
+pub struct Parser<'src, 'toks> {
+    input: Input<'src, 'toks>,
+    pos: usize,
+    events: Vec<Event>,
+    steps: Cell<u32>,
+}
+
+impl<'src, 'toks> Parser<'src, 'toks> {
+    pub fn new(input: Input<'src, 'toks>) -> Self {
+        Self {
+            input,
+            pos: 0,
+            events: Vec::new(),
+            steps: Cell::new(0),
+        }
+    }
+
+    pub fn finish(self) -> Vec<Event> {
+        self.events
+    }
+
+    pub(crate) fn nth(&self, n: usize) -> SyntaxKind {
+        self.step();
+        self.input.kind(self.pos + n)
+    }
+
+    pub fn eat_succeeding_ws(&mut self) {
+        self.push_ev(Event::Eat {
+            count: self.input.meaningless_tail_len(),
+        });
+    }
+
+    pub(crate) fn current(&self) -> SyntaxKind {
+        self.step();
+        self.input.kind(self.pos)
+    }
+
+    pub(crate) fn start(&mut self, name: &str) -> Marker {
+        let pos = self.events.len();
+        self.push_ev(Event::tombstone());
+        Marker::new(pos, name)
+    }
+
+    pub(crate) fn at(&self, kind: SyntaxKind) -> bool {
+        self.nth_at(0, kind)
+    }
+
+    pub(crate) fn eat(&mut self, kind: SyntaxKind) -> bool {
+        if !self.at(kind) {
+            return false;
+        }
+
+        self.do_bump();
+        true
+    }
+
+    pub(crate) fn nth_at(&self, n: usize, kind: SyntaxKind) -> bool {
+        self.nth(n) == kind
+    }
+
+    fn do_bump(&mut self) {
+        self.push_ev(Event::Eat {
+            count: self.input.preceding_meaningless(self.pos),
+        });
+        self.pos += 1;
+    }
+
+    fn push_ev(&mut self, event: Event) {
+        self.events.push(event)
+    }
+
+    fn step(&self) {
+        let steps = self.steps.get();
+        assert!(steps <= PARSER_STEP_LIMIT, "the parser seems stuck...");
+        self.steps.set(steps + 1);
+    }
+}
+
+pub(crate) struct Marker {
+    pos: usize,
+    bomb: DropBomb,
+}
+
+impl Marker {
+    pub(crate) fn new(pos: usize, name: &str) -> Self {
+        Self {
+            pos,
+            bomb: DropBomb::new(format!("Marker {name} must be completed or abandoned")),
+        }
+    }
+
+    fn close_node(mut self, p: &mut Parser, kind: NodeKind) -> CompletedMarker {
+        self.bomb.defuse();
+        match &mut p.events[self.pos] {
+            Event::Start { kind: slot, .. } => *slot = kind.clone(),
+            _ => unreachable!(),
+        }
+
+        p.push_ev(Event::Finish);
+
+        CompletedMarker {
+            pos: self.pos,
+            kind,
+        }
+    }
+
+    pub(crate) fn complete(self, p: &mut Parser<'_, '_>, kind: SyntaxKind) -> CompletedMarker {
+        self.close_node(p, NodeKind::Syntax(kind))
+    }
+
+    pub(crate) fn error(self, p: &mut Parser, kind: SyntaxError) -> CompletedMarker {
+        self.close_node(p, NodeKind::Error(kind))
+    }
+
+    pub(crate) fn abandon(mut self, p: &mut Parser<'_, '_>) {
+        self.bomb.defuse();
+        if self.pos == p.events.len() - 1 {
+            match p.events.pop() {
+                Some(Event::Start {
+                    kind: NodeKind::Syntax(SyntaxKind::TOMBSTONE),
+                    forward_parent: None,
+                }) => (),
+                _ => unreachable!(),
+            }
+        }
+    }
+}
+
+pub(crate) struct CompletedMarker {
+    pos: usize,
+    kind: NodeKind,
+}
+
+impl CompletedMarker {
+    pub(crate) fn precede(self, p: &mut Parser<'_, '_>, name: &str) -> Marker {
+        let new_pos = p.start(name);
+
+        match &mut p.events[self.pos] {
+            Event::Start { forward_parent, .. } => {
+                *forward_parent = Some(new_pos.pos - self.pos);
+            }
+            _ => unreachable!(),
+        }
+
+        new_pos
+    }
+}
--- a/crates/lang/src/lst_parser/error.rs
+++ b/crates/lang/src/lst_parser/error.rs
@ -0,0 +1,15 @@
+use crate::lst_parser::syntax_kind::SyntaxKind;
+
+#[derive(Debug, PartialEq, Eq, Clone)]
+pub enum SyntaxError {
+    Expected(Vec<SyntaxKind>),
+    PipelineNeedsSink,
+    // if there was two space seperated items in a list
+    SpaceSepInList,
+    SemicolonInList,
+    CommaInMatOrVec,
+    UnterminatedTopLevelItem,
+    UnclosedModuleBody,
+    UnfinishedPath,
+    PathSepContainsSemicolon,
+}
--- a/crates/lang/src/lst_parser/events.rs
+++ b/crates/lang/src/lst_parser/events.rs
@ -0,0 +1,70 @@
+use crate::lst_parser::syntax_kind::SyntaxKind;
+
+use super::error::SyntaxError;
+
+#[derive(Debug)]
+pub enum Event {
+    Start {
+        kind: NodeKind,
+        forward_parent: Option<usize>,
+    },
+    Finish,
+    Eat {
+        count: usize,
+    },
+}
+
+#[derive(Debug, Clone, PartialEq)]
+pub enum NodeKind {
+    Syntax(SyntaxKind),
+    Error(SyntaxError),
+}
+
+impl NodeKind {
+    pub fn is_syntax(&self) -> bool {
+        matches!(self, Self::Syntax(_))
+    }
+
+    pub fn is_error(&self) -> bool {
+        matches!(self, Self::Error(_))
+    }
+}
+
+impl From<SyntaxKind> for NodeKind {
+    fn from(value: SyntaxKind) -> Self {
+        NodeKind::Syntax(value)
+    }
+}
+
+impl From<SyntaxError> for NodeKind {
+    fn from(value: SyntaxError) -> Self {
+        NodeKind::Error(value)
+    }
+}
+
+impl PartialEq<SyntaxKind> for NodeKind {
+    fn eq(&self, other: &SyntaxKind) -> bool {
+        match self {
+            NodeKind::Syntax(s) => s == other,
+            NodeKind::Error(_) => false,
+        }
+    }
+}
+
+impl PartialEq<SyntaxError> for NodeKind {
+    fn eq(&self, other: &SyntaxError) -> bool {
+        match self {
+            NodeKind::Syntax(_) => false,
+            NodeKind::Error(e) => e == other,
+        }
+    }
+}
+
+impl Event {
+    pub(crate) fn tombstone() -> Self {
+        Self::Start {
+            kind: SyntaxKind::TOMBSTONE.into(),
+            forward_parent: None,
+        }
+    }
+}
--- a/crates/lang/src/lst_parser/grammar.rs
+++ b/crates/lang/src/lst_parser/grammar.rs
@ -0,0 +1,38 @@
+use std::fmt::Debug;
+
+use crate::lst_parser::syntax_kind::SyntaxKind::*;
+
+use self::module::{mod_body, top_level_item};
+
+use super::{
+    input::Input,
+    output::Output,
+    syntax_kind::{self, lex},
+    Parser,
+};
+
+mod expression;
+mod module;
+
+pub fn source_file(p: &mut Parser) {
+    let root = p.start("root");
+
+    mod_body(p);
+    // expression::expression(p, false);
+    p.eat_succeeding_ws();
+
+    root.complete(p, ROOT);
+}
+
+fn check_parser(input: &str, parser_fn: fn(&mut Parser), output: &str) {
+    let toks = lex(input);
+    let mut parser = Parser::new(Input::new(&toks));
+
+    parser_fn(&mut parser);
+
+    let p_out = dbg!(parser.finish());
+    let o = Output::from_parser_output(toks, p_out);
+
+    let s = strip_ansi_escapes::strip_str(format!("{o:?}"));
+    assert_eq!(&s, output);
+}
--- a/crates/lang/src/lst_parser/grammar/expression.rs
+++ b/crates/lang/src/lst_parser/grammar/expression.rs
@ -0,0 +1,44 @@
+use crate::lst_parser::{error::SyntaxError, syntax_kind::SyntaxKind::*, CompletedMarker, Parser};
+
+use self::{collection::collection, instruction::instr, lit::literal, pipeline::PIPES};
+
+mod collection;
+mod instruction;
+mod lit;
+mod pipeline;
+
+pub fn expression(p: &mut Parser, in_pipe: bool) -> Option<CompletedMarker> {
+    let expr = p.start("expr");
+
+    if atom(p).or_else(|| instr(p)).is_none() {
+        expr.abandon(p);
+        return None;
+    }
+
+    let r = expr.complete(p, EXPR);
+
+    if PIPES.contains(p.current()) && !in_pipe {
+        pipeline::pipeline(p, r)
+    } else {
+        Some(r)
+    }
+}
+
+pub fn atom(p: &mut Parser) -> Option<CompletedMarker> {
+    literal(p)
+        .or_else(|| collection(p))
+        .or_else(|| parenthesized_expr(p))
+}
+
+pub fn parenthesized_expr(p: &mut Parser) -> Option<CompletedMarker> {
+    if p.eat(L_PAREN) {
+        let par_expr = p.start("parenthesized");
+        expression(p, false);
+        if !p.eat(R_PAREN) {
+            return Some(par_expr.error(p, SyntaxError::Expected(vec![R_PAREN])));
+        }
+
+        return Some(par_expr.complete(p, PARENTHESIZED_EXPR));
+    }
+    None
+}
--- a/crates/lang/src/lst_parser/grammar/expression/collection.rs
+++ b/crates/lang/src/lst_parser/grammar/expression/collection.rs
@ -0,0 +1,25 @@
+use enumset::enum_set;
+
+use crate::lst_parser::{
+    syntax_kind::{SyntaxKind::*, TokenSet},
+    CompletedMarker, Parser,
+};
+
+use self::{attr_set::attr_set, vec::vec_matrix_list};
+
+mod attr_set;
+mod vec;
+
+const COLLECTION_START: TokenSet = enum_set!(L_BRACK | L_BRACE);
+
+pub fn collection(p: &mut Parser) -> Option<CompletedMarker> {
+    if !COLLECTION_START.contains(p.current()) {
+        return None;
+    }
+
+    Some(match p.current() {
+        L_BRACK => vec_matrix_list(p),
+        L_BRACE => attr_set(p),
+        _ => unreachable!(),
+    })
+}
--- a/crates/lang/src/lst_parser/grammar/expression/collection/attr_set.rs
+++ b/crates/lang/src/lst_parser/grammar/expression/collection/attr_set.rs
@ -0,0 +1,45 @@
+use crate::lst_parser::{
+    error::SyntaxError,
+    grammar::expression::{atom, expression},
+    CompletedMarker, Marker, Parser,
+    SyntaxKind::*,
+};
+
+pub fn attr_set(p: &mut Parser) -> CompletedMarker {
+    let start = p.start("attr_set_start");
+    assert!(p.eat(L_BRACE));
+
+    loop {
+        if attr(p).is_some() {
+            // TODO: handle others
+            if p.eat(COMMA) {
+                continue;
+            } else if p.eat(R_BRACE) {
+                return start.complete(p, ATTR_SET);
+            }
+            // TODO: check for newline  and stuff following that for recov of others
+        } else if p.eat(R_BRACE) {
+            return start.complete(p, ATTR_SET);
+        }
+    }
+}
+
+fn attr(p: &mut Parser) -> Option<CompletedMarker> {
+    if p.at(IDENT) {
+        let attr_start = p.start("attr");
+        let attr_name_start = p.start("attr_name");
+        p.do_bump();
+        attr_name_start.complete(p, ATTR_NAME);
+
+        // TODO: handle comma, expr/atom, other
+        p.eat(COLON);
+
+        // TODO: handle failed expr parser too
+        let attr_value = p.start("attr_value");
+        let _ = expression(p, false);
+        attr_value.complete(p, ATTR_VALUE);
+        Some(attr_start.complete(p, ATTR))
+    } else {
+        None
+    }
+}
--- a/crates/lang/src/lst_parser/grammar/expression/collection/vec.rs
+++ b/crates/lang/src/lst_parser/grammar/expression/collection/vec.rs
@ -0,0 +1,97 @@
+use crate::lst_parser::{
+    error::SyntaxError, grammar::expression::atom, CompletedMarker, Marker, Parser, SyntaxKind::*,
+};
+
+pub fn vec_matrix_list(p: &mut Parser) -> CompletedMarker {
+    let start = p.start("vec_matrix_list_start");
+    assert!(p.eat(L_BRACK));
+    let row_start = p.start("matrix_row_start");
+    if let Some(item) = atom(p) {
+        item.precede(p, "coll_item_start")
+            .complete(p, COLLECTION_ITEM);
+
+        if p.at(COMMA) {
+            row_start.abandon(p);
+            return finish_list(p, start);
+        }
+
+        finish_mat_or_vec(p, start, row_start)
+    } else if p.eat(R_BRACK) {
+        row_start.abandon(p);
+        start.complete(p, LIST)
+    } else {
+        row_start.abandon(p);
+        start.error(p, SyntaxError::Expected(vec![EXPR, R_BRACK]))
+    }
+}
+
+fn finish_list(p: &mut Parser, list_start: Marker) -> CompletedMarker {
+    loop {
+        if p.eat(COMMA) {
+            if let Some(item) = atom(p) {
+                item.precede(p, "coll_item_start")
+                    .complete(p, COLLECTION_ITEM);
+            } else if p.eat(R_BRACK) {
+                return list_start.complete(p, LIST);
+            }
+        } else if p.eat(R_BRACK) {
+            return list_start.complete(p, LIST);
+        } else if let Some(item) = atom(p) {
+            item.precede(p, "next_item")
+                .complete(p, COLLECTION_ITEM)
+                .precede(p, "err_space_sep")
+                .error(p, SyntaxError::SpaceSepInList);
+        } else if p.at(SEMICOLON) {
+            let semi_err = p.start("semicolon_err");
+            p.eat(SEMICOLON);
+            semi_err.error(p, SyntaxError::SemicolonInList);
+            if let Some(item) = atom(p) {
+                item.precede(p, "coll_item_start")
+                    .complete(p, COLLECTION_ITEM);
+            } else if p.eat(R_BRACK) {
+                return list_start.complete(p, LIST);
+            }
+        }
+    }
+}
+
+// TODO: handle commas, general other wrong toks
+fn finish_mat_or_vec(p: &mut Parser, coll_start: Marker, mut row_start: Marker) -> CompletedMarker {
+    let mut is_matrix = false;
+    let mut row_item_count = 1;
+    loop {
+        if let Some(item) = atom(p) {
+            item.precede(p, "coll_item_start")
+                .complete(p, COLLECTION_ITEM);
+            row_item_count += 1;
+        } else if p.at(SEMICOLON) {
+            is_matrix = true;
+            row_start.complete(p, MAT_ROW);
+            p.eat(SEMICOLON);
+            row_start = p.start("matrix_row_start");
+            row_item_count = 0;
+        } else if p.at(R_BRACK) {
+            if is_matrix && row_item_count == 0 {
+                row_start.abandon(p);
+                p.eat(R_BRACK);
+                return coll_start.complete(p, MATRIX);
+            } else if is_matrix {
+                row_start.complete(p, MAT_ROW);
+                p.eat(R_BRACK);
+                return coll_start.complete(p, MATRIX);
+            } else {
+                row_start.abandon(p);
+                p.eat(R_BRACK);
+                return coll_start.complete(p, VEC);
+            }
+        } else if p.at(COMMA) {
+            let err_unexpected_comma = p.start("err_unexpected_comma");
+            p.do_bump();
+            err_unexpected_comma.error(p, SyntaxError::CommaInMatOrVec);
+        } else {
+            let err_unexpected = p.start("err_unexpected_tok");
+            p.do_bump();
+            err_unexpected.error(p, SyntaxError::Expected(vec![EXPR, SEMICOLON, R_BRACK]));
+        }
+    }
+}
--- a/crates/lang/src/lst_parser/grammar/expression/instruction.rs
+++ b/crates/lang/src/lst_parser/grammar/expression/instruction.rs
@ -0,0 +1,34 @@
+use crate::lst_parser::{syntax_kind::SyntaxKind::*, CompletedMarker, Parser};
+
+use super::{atom, lit::literal};
+
+pub fn instr(p: &mut Parser) -> Option<CompletedMarker> {
+    if !p.at(IDENT) {
+        return None;
+    }
+
+    let instr = p.start("instr");
+
+    instr_name(p);
+    instr_params(p);
+
+    Some(instr.complete(p, INSTR))
+}
+
+fn instr_name(p: &mut Parser) {
+    let instr_name = p.start("instr_name");
+
+    while p.at(IDENT) {
+        p.do_bump();
+    }
+
+    instr_name.complete(p, INSTR_NAME);
+}
+
+fn instr_params(p: &mut Parser) {
+    if let Some(start) = atom(p) {
+        while atom(p).is_some() {}
+
+        start.precede(p, "params_start").complete(p, INSTR_PARAMS);
+    }
+}
--- a/crates/lang/src/lst_parser/grammar/expression/lit.rs
+++ b/crates/lang/src/lst_parser/grammar/expression/lit.rs
@ -0,0 +1,59 @@
+use enumset::enum_set;
+use indoc::indoc;
+
+use crate::lst_parser::{
+    grammar::check_parser,
+    syntax_kind::{SyntaxKind::*, TokenSet},
+    CompletedMarker, Parser,
+};
+
+const LIT_TOKENS: TokenSet = enum_set!(INT_NUM | FLOAT_NUM | STRING);
+
+pub fn literal(p: &mut Parser) -> Option<CompletedMarker> {
+    if !LIT_TOKENS.contains(p.current()) {
+        return None;
+    }
+
+    let lit = p.start("lit");
+
+    p.do_bump();
+
+    Some(lit.complete(p, LITERAL))
+}
+
+#[test]
+fn test_parse_lst_lit() {
+    check_parser(
+        "42",
+        |p| {
+            literal(p);
+        },
+        indoc! {r#"
+            LITERAL {
+                INT_NUM "42";
+            }
+        "#},
+    );
+    check_parser(
+        "3.14",
+        |p| {
+            literal(p);
+        },
+        indoc! {r#"
+            LITERAL {
+                FLOAT_NUM "3.14";
+            }
+        "#},
+    );
+    check_parser(
+        r#""Meow""#,
+        |p| {
+            literal(p);
+        },
+        indoc! {r#"
+            LITERAL {
+                STRING "\"Meow\"";
+            }
+        "#},
+    );
+}
--- a/crates/lang/src/lst_parser/grammar/expression/pipeline.rs
+++ b/crates/lang/src/lst_parser/grammar/expression/pipeline.rs
@ -0,0 +1,36 @@
+use enumset::enum_set;
+
+use crate::lst_parser::{
+    error::SyntaxError,
+    syntax_kind::{SyntaxKind::*, TokenSet},
+    CompletedMarker, Parser,
+};
+
+use super::expression;
+
+pub fn pipeline(p: &mut Parser, start_expr: CompletedMarker) -> Option<CompletedMarker> {
+    if !pipe(p) {
+        return Some(start_expr);
+    }
+    let pipeline_marker = start_expr.precede(p, "pipeline_start");
+
+    loop {
+        if expression(p, true).is_none() {
+            return Some(pipeline_marker.error(p, SyntaxError::PipelineNeedsSink));
+        }
+        if !pipe(p) {
+            return Some(pipeline_marker.complete(p, PIPELINE));
+        }
+    }
+}
+
+pub const PIPES: TokenSet = enum_set!(PIPE | MAPPING_PIPE | NULL_PIPE);
+
+fn pipe(p: &mut Parser) -> bool {
+    if PIPES.contains(p.current()) {
+        p.do_bump();
+        true
+    } else {
+        false
+    }
+}
--- a/crates/lang/src/lst_parser/grammar/module.rs
+++ b/crates/lang/src/lst_parser/grammar/module.rs
@ -0,0 +1,191 @@
+use enumset::enum_set;
+
+use crate::lst_parser::{
+    error::SyntaxError,
+    grammar::expression::expression,
+    syntax_kind::{SyntaxKind::*, TokenSet},
+    CompletedMarker, Parser,
+};
+
+const TOP_LEVEL_ITEM_START: TokenSet = enum_set!(DEF_KW | MOD_KW | USE_KW);
+
+pub fn mod_body(p: &mut Parser) {
+    loop {
+        if top_level_item(p).is_none() {
+            break;
+        }
+    }
+}
+
+fn mod_decl(p: &mut Parser) -> Option<CompletedMarker> {
+    let mod_start = p.start("module");
+    if !p.eat(MOD_KW) {
+        mod_start.abandon(p);
+        return None;
+    }
+
+    let mod_name = p.start("module_name");
+    if p.eat(IDENT) {
+        mod_name.complete(p, MODULE_NAME);
+    } else {
+        mod_name.error(p, SyntaxError::Expected(vec![IDENT]));
+    }
+
+    let mod_body_marker = p.start("mod_body");
+    if p.eat(SEMICOLON) {
+        mod_body_marker.abandon(p);
+        Some(mod_start.complete(p, MODULE))
+    } else if p.eat(L_BRACE) {
+        mod_body(p);
+        if !p.eat(R_BRACE) {
+            mod_body_marker
+                .complete(p, MODULE_BODY)
+                .precede(p, "unclosed_mod_body_err")
+                .error(p, SyntaxError::UnclosedModuleBody);
+        } else {
+            mod_body_marker.complete(p, MODULE_BODY);
+        }
+        Some(mod_start.complete(p, MODULE))
+    } else {
+        Some(mod_start.error(p, SyntaxError::Expected(vec![MODULE_BODY])))
+    }
+}
+
+pub fn top_level_item(p: &mut Parser) -> Option<CompletedMarker> {
+    if !TOP_LEVEL_ITEM_START.contains(p.current()) {
+        return None;
+    }
+    def(p).or_else(|| mod_decl(p)).or_else(|| r#use(p))
+}
+
+fn def(p: &mut Parser) -> Option<CompletedMarker> {
+    let def_start = p.start("top_level_def");
+    if !p.eat(DEF_KW) {
+        def_start.abandon(p);
+        return None;
+    }
+
+    let def_name = p.start("def_name");
+    if p.eat(IDENT) {
+        def_name.complete(p, DEF_NAME);
+    } else {
+        def_name.error(p, SyntaxError::Expected(vec![IDENT]));
+    }
+
+    let maybe_expected_eq = p.start("maybe_expect_eq");
+    if !p.eat(EQ) {
+        maybe_expected_eq.error(p, SyntaxError::Expected(vec![EQ]));
+    } else {
+        maybe_expected_eq.abandon(p);
+    }
+
+    let body = p.start("def_body");
+    if expression(p, false).is_some() {
+        body.complete(p, DEF_BODY);
+    } else {
+        body.error(p, SyntaxError::Expected(vec![DEF_BODY]));
+    }
+
+    Some(if p.eat(SEMICOLON) {
+        def_start.complete(p, DEF)
+    } else if TOP_LEVEL_ITEM_START.contains(p.current()) || p.at(EOF) {
+        def_start
+            .complete(p, DEF)
+            .precede(p, "unterminated_tl_item")
+            .error(p, SyntaxError::UnterminatedTopLevelItem)
+    } else {
+        def_start
+            .complete(p, DEF)
+            .precede(p, "err_unexpected")
+            .error(p, SyntaxError::Expected(vec![SEMICOLON]))
+    })
+}
+
+fn r#use(p: &mut Parser) -> Option<CompletedMarker> {
+    let use_start = p.start("use_start");
+    if !p.eat(USE_KW) {
+        use_start.abandon(p);
+        return None;
+    }
+
+    if use_pat(p).is_none() {
+        p.start("expected_use_pat")
+            .error(p, SyntaxError::Expected(vec![USE_PAT]));
+    }
+
+    let use_item = use_start.complete(p, USE);
+    Some(if p.eat(SEMICOLON) {
+        use_item
+    } else if TOP_LEVEL_ITEM_START.contains(p.current()) || p.at(EOF) {
+        use_item
+            .precede(p, "unterminated_tl_item")
+            .error(p, SyntaxError::UnterminatedTopLevelItem)
+    } else {
+        use_item
+            .precede(p, "err_unexpected")
+            .error(p, SyntaxError::Expected(vec![SEMICOLON]))
+    })
+}
+
+fn use_pat(p: &mut Parser) -> Option<CompletedMarker> {
+    let use_pat_marker = p.start("use_pat");
+    if !p.eat(IDENT) {
+        return None;
+    }
+
+    loop {
+        if p.eat(PATH_SEP) {
+            if pat_item(p).is_none() {
+                break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
+            }
+        } else if p.at(SEMICOLON) && p.nth_at(1, COLON) {
+            let broken_sep = p.start("broken_path_sep");
+            let wrong_semi = p.start("semi_typo");
+            p.eat(SEMICOLON);
+            wrong_semi.error(p, SyntaxError::PathSepContainsSemicolon);
+            p.eat(COLON);
+            broken_sep.complete(p, PATH_SEP);
+            if pat_item(p).is_none() {
+                break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
+            }
+        } else if p.at(COLON) && p.nth_at(1, SEMICOLON) {
+            let broken_sep = p.start("broken_path_sep");
+            p.eat(COLON);
+            let wrong_semi = p.start("semi_typo");
+            p.eat(SEMICOLON);
+            wrong_semi.error(p, SyntaxError::PathSepContainsSemicolon);
+            broken_sep.complete(p, PATH_SEP);
+            if pat_item(p).is_none() {
+                break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
+            }
+        } else if p.at(SEMICOLON) && p.nth_at(1, SEMICOLON) {
+            let broken_sep = p.start("broken_path_sep");
+            p.eat(SEMICOLON);
+            p.eat(SEMICOLON);
+            broken_sep
+                .complete(p, PATH_SEP)
+                .precede(p, "semi_typo_err")
+                .error(p, SyntaxError::PathSepContainsSemicolon);
+            if pat_item(p).is_none() {
+                break Some(use_pat_marker.error(p, SyntaxError::UnfinishedPath));
+            }
+        } else if p.eat(SEMICOLON) {
+            break Some(use_pat_marker.complete(p, USE_PAT));
+        } else {
+            break Some(use_pat_marker.error(p, SyntaxError::Expected(vec![PATH_SEP, SEMICOLON])));
+        }
+    }
+}
+
+fn pat_item(p: &mut Parser) -> Option<CompletedMarker> {
+    let item_start = p.start("pat_item_start");
+    if p.eat(IDENT) {
+        Some(item_start.complete(p, PAT_ITEM))
+    } else if p.eat(STAR) {
+        Some(item_start.complete(p, PAT_GLOB))
+    } else if p.eat(L_BRACE) {
+        todo!("write PAT_GROUPs")
+    } else {
+        None
+    }
+}
--- a/crates/lang/src/lst_parser/input.rs
+++ b/crates/lang/src/lst_parser/input.rs
@ -0,0 +1,70 @@
+use enumset::enum_set;
+
+use crate::lst_parser::syntax_kind::SyntaxKind;
+
+use super::syntax_kind::TokenSet;
+
+pub struct Input<'src, 'toks> {
+    raw: &'toks Vec<(SyntaxKind, &'src str)>,
+    /// indices of the "meaningful" tokens (not whitespace etc)
+    /// includes newlines because those might indeed help with finding errors
+    meaningful: Vec<usize>,
+    /// indices of newlines for the purpose of easily querying them
+    /// can be helpful with missing commas etc
+    newlines: Vec<usize>,
+}
+
+pub const MEANINGLESS_TOKS: TokenSet = enum_set!(SyntaxKind::WHITESPACE | SyntaxKind::NEWLINE);
+
+impl<'src, 'toks> Input<'src, 'toks> {
+    pub fn new(raw_toks: &'toks Vec<(SyntaxKind, &'src str)>) -> Self {
+        let meaningful = raw_toks
+            .iter()
+            .enumerate()
+            .filter_map(|(i, tok)| {
+                if MEANINGLESS_TOKS.contains(tok.0) {
+                    None
+                } else {
+                    Some(i)
+                }
+            })
+            .collect();
+        let newlines = raw_toks
+            .iter()
+            .enumerate()
+            .filter_map(|(i, tok)| match tok.0 {
+                SyntaxKind::NEWLINE => Some(i),
+                _ => None,
+            })
+            .collect();
+
+        Self {
+            raw: raw_toks,
+            meaningful,
+            newlines,
+        }
+    }
+
+    #[allow(clippy::unwrap_used, reason = "meaningful indices cannot be invalid")]
+    pub(crate) fn kind(&self, idx: usize) -> SyntaxKind {
+        let Some(meaningful_idx) = self.meaningful.get(idx) else {
+            return SyntaxKind::EOF;
+        };
+
+        self.raw.get(*meaningful_idx).unwrap().0
+    }
+
+    pub(crate) fn preceding_meaningless(&self, idx: usize) -> usize {
+        assert!(self.meaningful.len() > idx);
+
+        if idx == 0 {
+            1
+        } else {
+            self.meaningful[idx] - self.meaningful[idx - 1]
+        }
+    }
+
+    pub(crate) fn meaningless_tail_len(&self) -> usize {
+        self.raw.len() - (self.meaningful.last().unwrap() + 1)
+    }
+}
--- a/crates/lang/src/lst_parser/output.rs
+++ b/crates/lang/src/lst_parser/output.rs
@ -0,0 +1,208 @@
+use clap::builder;
+use owo_colors::{unset_override, OwoColorize};
+use rowan::{GreenNode, GreenNodeBuilder, GreenNodeData, GreenTokenData, Language, NodeOrToken};
+use std::mem;
+
+use crate::{
+    lst_parser::{input::MEANINGLESS_TOKS, syntax_kind::SyntaxKind},
+    Lang, SyntaxNode,
+};
+
+use super::{
+    error::SyntaxError,
+    events::{Event, NodeKind},
+};
+
+pub struct Output {
+    pub green_node: GreenNode,
+    pub errors: Vec<SyntaxError>,
+}
+
+impl std::fmt::Debug for Output {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let mut errs: Vec<&SyntaxError> = self.errors.iter().collect();
+        errs.reverse();
+
+        debug_print_green_node(NodeOrToken::Node(&self.green_node), f, 0, &mut errs, false)
+    }
+}
+
+const INDENT_STR: &str = "    ";
+/// colored argument currently broken
+fn debug_print_green_node(
+    node: NodeOrToken<&GreenNodeData, &GreenTokenData>,
+    f: &mut dyn std::fmt::Write,
+    lvl: i32,
+    errs: &mut Vec<&SyntaxError>,
+    colored: bool,
+) -> std::fmt::Result {
+    for _ in 0..lvl {
+        f.write_str(INDENT_STR)?;
+    }
+
+    let r = match node {
+        NodeOrToken::Node(n) => {
+            let kind = Lang::kind_from_raw(node.kind());
+            if kind != SyntaxKind::PARSE_ERR {
+                writeln!(
+                    f,
+                    "{:?} {}",
+                    Lang::kind_from_raw(node.kind()).bright_yellow().bold(),
+                    "{".yellow()
+                )?;
+            } else {
+                let err = errs
+                    .pop()
+                    .expect("all error syntax nodes should correspond to an error")
+                    .bright_red();
+
+                writeln!(
+                    f,
+                    "{:?}{} {err:?} {}",
+                    kind.bright_red().bold(),
+                    ":".red(),
+                    "{".bright_red().bold()
+                )?;
+            }
+            for c in n.children() {
+                debug_print_green_node(c, f, lvl + 1, errs, colored)?;
+            }
+            for _ in 0..lvl {
+                f.write_str(INDENT_STR)?;
+            }
+            if kind != SyntaxKind::PARSE_ERR {
+                write!(f, "{}", "}\n".yellow())
+            } else {
+                write!(f, "{}", "}\n".bright_red().bold())
+            }
+        }
+        NodeOrToken::Token(t) => {
+            let tok = Lang::kind_from_raw(t.kind());
+            if MEANINGLESS_TOKS.contains(tok) {
+                writeln!(
+                    f,
+                    "{:?} {:?}{}",
+                    Lang::kind_from_raw(t.kind()).white(),
+                    t.text().white(),
+                    ";".white()
+                )
+            } else {
+                writeln!(
+                    f,
+                    "{:?} {:?}{}",
+                    Lang::kind_from_raw(t.kind()).bright_cyan().bold(),
+                    t.text().green(),
+                    ";".yellow()
+                )
+            }
+        }
+    };
+
+    r
+}
+
+impl Output {
+    pub fn debug_colored(&self) -> String {
+        let mut out = String::new();
+        let mut errs: Vec<&SyntaxError> = self.errors.iter().collect();
+        errs.reverse();
+
+        let _ = debug_print_green_node(
+            NodeOrToken::Node(&self.green_node),
+            &mut out,
+            0,
+            &mut errs,
+            true,
+        );
+
+        out
+    }
+    pub fn from_parser_output(
+        mut raw_toks: Vec<(SyntaxKind, &str)>,
+        mut events: Vec<Event>,
+    ) -> Self {
+        let mut builder = GreenNodeBuilder::new();
+        let mut fw_parents = Vec::new();
+        let mut errors = Vec::new();
+        raw_toks.reverse();
+
+        for i in 0..events.len() {
+            match mem::replace(&mut events[i], Event::tombstone()) {
+                Event::Start {
+                    kind,
+                    forward_parent,
+                } => {
+                    if kind == SyntaxKind::TOMBSTONE && forward_parent.is_none() {
+                        continue;
+                    }
+
+                    fw_parents.push(kind);
+                    let mut idx = i;
+                    let mut fp = forward_parent;
+                    while let Some(fwd) = fp {
+                        idx += fwd as usize;
+                        fp = match mem::replace(&mut events[idx], Event::tombstone()) {
+                            Event::Start {
+                                kind,
+                                forward_parent,
+                            } => {
+                                fw_parents.push(kind);
+                                forward_parent
+                            }
+                            _ => unreachable!(),
+                        }
+                    }
+
+                    // remove whitespace bc it's ugly
+                    while let Some((SyntaxKind::WHITESPACE | SyntaxKind::NEWLINE, _)) =
+                        raw_toks.last()
+                    {
+                        match events.iter_mut().find(|ev| matches!(ev, Event::Eat { .. })) {
+                            Some(Event::Eat { count }) => *count -= 1,
+                            _ => unreachable!(),
+                        }
+
+                        let (tok, text): (SyntaxKind, &str) = raw_toks.pop().unwrap();
+                        builder.token(tok.into(), text);
+                    }
+
+                    for kind in fw_parents.drain(..).rev() {
+                        match kind {
+                            NodeKind::Syntax(kind) if kind != SyntaxKind::TOMBSTONE => {
+                                builder.start_node(kind.into())
+                            }
+                            NodeKind::Error(err) => {
+                                errors.push(err);
+                                builder.start_node(SyntaxKind::PARSE_ERR.into())
+                            }
+                            _ => {}
+                        }
+                    }
+                }
+                Event::Finish => builder.finish_node(),
+                Event::Eat { count } => (0..count).for_each(|_| {
+                    let (tok, text): (SyntaxKind, &str) = raw_toks.pop().unwrap();
+                    builder.token(tok.into(), text);
+                }),
+            }
+        }
+
+        Self {
+            green_node: builder.finish(),
+            errors,
+        }
+    }
+
+    pub fn syntax(&self) -> SyntaxNode {
+        SyntaxNode::new_root(self.green_node.clone())
+    }
+
+    pub fn errors(&self) -> Vec<SyntaxError> {
+        self.errors.clone()
+    }
+
+    pub fn dissolve(self) -> (GreenNode, Vec<SyntaxError>) {
+        let Self { green_node, errors } = self;
+        (green_node, errors)
+    }
+}
--- a/crates/lang/src/lst_parser/syntax_kind.rs
+++ b/crates/lang/src/lst_parser/syntax_kind.rs
@ -0,0 +1,140 @@
+use enumset::EnumSet;
+use logos::Logos;
+
+pub fn lex(src: &str) -> Vec<(SyntaxKind, &str)> {
+    let mut lex = SyntaxKind::lexer(src);
+    let mut r = Vec::new();
+
+    while let Some(tok_res) = lex.next() {
+        r.push((tok_res.unwrap_or(SyntaxKind::LEX_ERR), lex.slice()))
+    }
+
+    r
+}
+
+#[derive(enumset::EnumSetType, Logos, Debug, PartialEq, Eq, Clone, Copy, Hash, PartialOrd, Ord)]
+#[repr(u16)]
+#[enumset(no_super_impls)]
+#[allow(non_camel_case_types)]
+pub enum SyntaxKind {
+    #[token("def")]
+    DEF_KW = 0,
+    DEF,
+    DEF_NAME,
+    DEF_BODY,
+    #[token("let")]
+    LET_KW,
+    #[token("in")]
+    IN_KW,
+    LET_IN,
+    #[token("::")]
+    PATH_SEP,
+    #[token("mod")]
+    MOD_KW,
+    MODULE,
+    MODULE_NAME,
+    MODULE_BODY,
+    USE,
+    #[token("use")]
+    USE_KW,
+    USE_PAT,
+    PAT_ITEM,
+    PAT_GLOB,
+    PAT_GROUP,
+    #[regex("[\\d]+")]
+    INT_NUM,
+    #[regex("[+-]?([\\d]+\\.[\\d]*|[\\d]*\\.[\\d]+)")]
+    FLOAT_NUM,
+    #[regex(r#""([^"\\]|\\["\\bnfrt]|u[a-fA-F0-9]{4})*""#)]
+    STRING,
+    MATRIX,
+    MAT_ROW,
+    VEC,
+    LIST,
+    // either of a vec, a matrix or a list
+    COLLECTION_ITEM,
+    PARENTHESIZED_EXPR,
+    EXPR,
+    LITERAL,
+    #[token("(")]
+    L_PAREN,
+    #[token(")")]
+    R_PAREN,
+    #[token("{")]
+    L_BRACE,
+    #[token("}")]
+    R_BRACE,
+    #[token("[")]
+    L_BRACK,
+    #[token("]")]
+    R_BRACK,
+    #[token("<")]
+    L_ANGLE,
+    #[token(">")]
+    R_ANGLE,
+    #[token("+")]
+    PLUS,
+    #[token("-")]
+    MINUS,
+    #[token("*")]
+    STAR,
+    #[token("/")]
+    SLASH,
+    #[token("%")]
+    PERCENT,
+    #[token("^")]
+    CARET,
+    INSTR,
+    INSTR_NAME,
+    INSTR_PARAMS,
+    ATTR_SET,
+    ATTR,
+    ATTR_NAME,
+    ATTR_VALUE,
+    #[regex("[a-zA-Z_]+[a-zA-Z_\\-\\d]*")]
+    IDENT,
+    #[regex("\\$[a-zA-Z0-9_\\-]+")]
+    VAR,
+    #[regex("\\@[a-zA-Z0-9_\\-]+")]
+    INPUT_VAR,
+    #[token("$")]
+    DOLLAR,
+    #[token("@")]
+    AT,
+    #[token(",")]
+    COMMA,
+    #[token("|")]
+    PIPE,
+    #[token("@|")]
+    MAPPING_PIPE,
+    #[token("!|")]
+    NULL_PIPE,
+    PIPELINE,
+    #[token("=")]
+    EQ,
+    #[token(":")]
+    COLON,
+    #[token(";")]
+    SEMICOLON,
+    #[token(".")]
+    DOT,
+    #[token("!")]
+    BANG,
+    #[regex("[ \\t\\f]+")]
+    WHITESPACE,
+    #[token("\n")]
+    NEWLINE,
+    PARSE_ERR,
+    LEX_ERR,
+    ROOT,
+    EOF,
+    TOMBSTONE,
+}
+
+pub type TokenSet = EnumSet<SyntaxKind>;
+
+impl From<SyntaxKind> for rowan::SyntaxKind {
+    fn from(kind: SyntaxKind) -> Self {
+        Self(kind as u16)
+    }
+}
--- a/crates/lang/src/lst_parser/tests.rs
+++ b/crates/lang/src/lst_parser/tests.rs
@ -0,0 +1 @@
+
--- a/crates/lang/src/main.rs
+++ b/crates/lang/src/main.rs
@ -0,0 +1,29 @@
+use clap::Parser;
+use std::{fs, path::PathBuf};
+
+use lang::lst_parser::{self, grammar, input, output::Output, syntax_kind};
+
+#[derive(Parser)]
+struct Args {
+    file: PathBuf,
+}
+
+#[allow(clippy::unwrap_used)]
+fn main() {
+    let args = Args::parse();
+    let n = args.file.clone();
+    let f = fs::read_to_string(n.clone()).expect("failed to read file");
+
+    let toks = dbg!(syntax_kind::lex(&f));
+    let input = input::Input::new(&toks);
+    let mut parser = lst_parser::Parser::new(input);
+
+    grammar::source_file(&mut parser);
+
+    let p_out = dbg!(parser.finish());
+    let o = Output::from_parser_output(toks, p_out);
+
+    println!("{}", o.debug_colored());
+
+    // World::new(n);
+}
--- a/crates/lang/src/world.rs
+++ b/crates/lang/src/world.rs
@ -0,0 +1,27 @@
+use std::path::Path;
+
+use self::files::{Files, OpenFileError};
+
+mod error;
+mod files;
+
+struct World;
+
+impl World {
+    pub fn new(entry_point: &Path) -> Result<Self, WorldCreationError> {
+        let mut files = Files::default();
+        let (entry_point_id, errors) = files.add_file(entry_point)?;
+
+        todo!()
+    }
+}
+
+enum WorldCreationError {
+    FailedToOpenEntryPoint(OpenFileError),
+}
+
+impl From<OpenFileError> for WorldCreationError {
+    fn from(value: OpenFileError) -> Self {
+        Self::FailedToOpenEntryPoint(value)
+    }
+}
--- a/crates/lang/src/world/error.rs
+++ b/crates/lang/src/world/error.rs
@ -0,0 +1,10 @@
+use std::path::PathBuf;
+
+use crate::{ast::ParseError, lst_parser::error::SyntaxError};
+
+use super::files::{FileId, Loc, OpenFileError};
+
+pub enum Error {
+    Syntax(Loc<ParseError>, SyntaxError),
+    OpenFileError(OpenFileError),
+}
--- a/crates/lang/src/world/files.rs
+++ b/crates/lang/src/world/files.rs
@ -0,0 +1,57 @@
+use std::{
+    collections::HashMap,
+    io,
+    path::{Path, PathBuf},
+};
+
+mod loc;
+
+pub use loc::Loc;
+use rowan::ast::AstNode;
+
+use crate::{
+    ast::ParseError,
+    lst_parser::{self, error::SyntaxError, input, output::Output},
+    world::{error::Error, files::source_file::SourceFile},
+};
+
+#[derive(Default)]
+pub struct Files {
+    inner: Vec<source_file::SourceFile>,
+    path_to_id_map: HashMap<PathBuf, FileId>,
+}
+
+impl Files {
+    pub fn add_file(&mut self, path: &Path) -> Result<(FileId, Vec<Error>), OpenFileError> {
+        if !path.exists() {
+            return Err(OpenFileError::NotFound(path.to_owned()));
+        }
+
+        let file_id = FileId(self.inner.len());
+        let (source_file, errs) = match SourceFile::open(path) {
+            Ok((source_file, errs)) => {
+                let errs = errs
+                    .into_iter()
+                    .map(|(ptr, err)| Error::Syntax(Loc::from_ptr(ptr, file_id), err))
+                    .collect::<Vec<_>>();
+                (source_file, errs)
+            }
+            Err(e) => return Err(OpenFileError::IoError(path.to_path_buf(), e)),
+        };
+
+        self.inner.push(source_file);
+        self.path_to_id_map.insert(path.to_path_buf(), file_id);
+
+        Ok((file_id, errs))
+    }
+}
+
+pub enum OpenFileError {
+    NotFound(PathBuf),
+    IoError(PathBuf, std::io::Error),
+}
+
+#[derive(Copy, Clone, Debug)]
+pub struct FileId(usize);
+
+mod source_file;
--- a/crates/lang/src/world/files/loc.rs
+++ b/crates/lang/src/world/files/loc.rs
@ -0,0 +1,29 @@
+use rowan::ast::{AstNode, AstPtr};
+
+use crate::Lang;
+
+use super::FileId;
+
+#[derive(Clone)]
+pub struct Loc<N: AstNode<Language = Lang>> {
+    file: FileId,
+    syntax: AstPtr<N>,
+}
+
+impl<N: AstNode<Language = Lang>> Loc<N> {
+    pub fn new(node: N, file: FileId) -> Self {
+        Self::from_ptr(AstPtr::new(&node), file)
+    }
+
+    pub fn from_ptr(ptr: AstPtr<N>, file: FileId) -> Self {
+        Self { file, syntax: ptr }
+    }
+
+    pub fn file(&self) -> FileId {
+        self.file
+    }
+
+    pub fn syntax(&self) -> AstPtr<N> {
+        self.syntax.clone()
+    }
+}
--- a/crates/lang/src/world/files/source_file.rs
+++ b/crates/lang/src/world/files/source_file.rs
@ -0,0 +1,113 @@
+use crate::lst_parser::{self, grammar, input, syntax_kind};
+use crate::SyntaxNode;
+
+use crate::lst_parser::output::Output;
+
+use crate::lst_parser::error::SyntaxError;
+
+use crate::ast::ParseError;
+
+use rowan::ast::{AstNode, AstPtr};
+
+use std::path::Path;
+use std::{fs, io};
+
+use rowan::GreenNode;
+
+use std::path::PathBuf;
+
+pub(crate) struct SourceFile {
+    pub(crate) path: PathBuf,
+    pub(crate) lst: rowan::GreenNode,
+}
+
+impl SourceFile {
+    pub(crate) fn open(p: &Path) -> io::Result<(Self, Vec<(AstPtr<ParseError>, SyntaxError)>)> {
+        assert!(p.exists());
+
+        let f = fs::read_to_string(p)?;
+        let (lst, errs) = Self::parse(f);
+
+        Ok((
+            Self {
+                path: p.to_path_buf(),
+                lst,
+            },
+            errs,
+        ))
+    }
+
+    pub(crate) fn parse(f: String) -> (GreenNode, Vec<(AstPtr<ParseError>, SyntaxError)>) {
+        let toks = syntax_kind::lex(&f);
+        let input = input::Input::new(&toks);
+        let mut parser = lst_parser::Parser::new(input);
+
+        grammar::source_file(&mut parser);
+
+        let p_out = parser.finish();
+        let (lst, errs) = Output::from_parser_output(toks, p_out).dissolve();
+
+        (lst.clone(), Self::find_errs(lst, errs))
+    }
+
+    pub(crate) fn find_errs(
+        lst: GreenNode,
+        mut errs: Vec<SyntaxError>,
+    ) -> Vec<(AstPtr<ParseError>, SyntaxError)> {
+        let mut out = Vec::new();
+        errs.reverse();
+
+        let lst = SyntaxNode::new_root(lst);
+        Self::find_errs_recursive(&mut out, lst, &mut errs);
+
+        out
+    }
+
+    pub(crate) fn find_errs_recursive(
+        mut out: &mut Vec<(AstPtr<ParseError>, SyntaxError)>,
+        lst: SyntaxNode,
+        mut errs: &mut Vec<SyntaxError>,
+    ) {
+        lst.children()
+            .filter_map(|c| ParseError::cast(c))
+            .for_each(|e| out.push((AstPtr::new(&e), errs.pop().unwrap())));
+
+        lst.children()
+            .for_each(|c| Self::find_errs_recursive(out, c, errs));
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::world::files::source_file::SourceFile;
+
+    fn check_find_errs(input: &str, expected: &[&str]) {
+        let (_, errs) = SourceFile::parse(input.to_string());
+
+        let errs = errs
+            .into_iter()
+            .map(|(loc, err)| format!("{:?}@{:?}", err, loc.syntax_node_ptr().text_range()))
+            .collect::<Vec<String>>();
+
+        assert_eq!(
+            errs,
+            expected
+                .into_iter()
+                .map(|s| s.to_string())
+                .collect::<Vec<_>>()
+        )
+    }
+
+    #[test]
+    fn test_find_errs() {
+        check_find_errs(
+            "def meow = ;\n mod ;",
+            &["Expected([DEF_BODY])@11..11", "Expected([IDENT])@18..18"],
+        );
+
+        check_find_errs(
+            "def awawa = a |",
+            &["UnterminatedTopLevelItem@0..15", "PipelineNeedsSink@12..15"],
+        )
+    }
+}
--- a/crates/svg-filters/Cargo.toml
+++ b/crates/svg-filters/Cargo.toml
@ -0,0 +1,15 @@
+[package]
+name = "svg-filters"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+csscolorparser = "0.6.2"
+indexmap = "2.2.5"
+petgraph = { workspace = true }
+quick-xml = { version = "0.31.0", features = ["serialize"] }
+
+[lints]
+workspace = true
--- a/crates/svg-filters/src/codegen.rs
+++ b/crates/svg-filters/src/codegen.rs
@ -0,0 +1,158 @@
+use std::{
+    cmp,
+    collections::{BTreeSet, HashMap},
+    fmt::Display,
+    io::Read,
+    ops::Not,
+};
+
+use indexmap::IndexMap;
+use petgraph::{
+    algo::toposort,
+    graph::DiGraph,
+    prelude::{EdgeIndex, NodeIndex},
+};
+use quick_xml::ElementWriter;
+
+use crate::{
+    types::{
+        graph::{edge::Edge, FilterGraph, NodeInput},
+        nodes::{primitives::WriteElement, CommonAttrs},
+    },
+    Node,
+};
+
+use self::error::CodegenError;
+
+pub struct SvgDocument {
+    filters: HashMap<String, FilterGraph>,
+}
+
+impl SvgDocument {
+    pub fn new() -> Self {
+        Self {
+            filters: HashMap::new(),
+        }
+    }
+
+    #[allow(clippy::unwrap_used, reason = "we literally just did the insertion")]
+    pub fn create_filter(&mut self, id: impl ToString) -> &mut FilterGraph {
+        let filter = FilterGraph::new();
+
+        self.filters.insert(id.to_string(), filter);
+        self.filters.get_mut(&id.to_string()).unwrap()
+    }
+
+    pub fn generate_svg_pretty(&self) -> String {
+        let mut result = Vec::new();
+        let doc_writer = quick_xml::Writer::new_with_indent(&mut result, b' ', 2);
+
+        self.generate(doc_writer);
+
+        String::from_utf8_lossy(&result).to_string()
+    }
+
+    pub fn generate_svg(&self) -> String {
+        let mut result = Vec::new();
+        let doc_writer = quick_xml::Writer::new(&mut result);
+
+        self.generate(doc_writer);
+
+        String::from_utf8_lossy(&result).to_string()
+    }
+
+    fn generate(&self, mut doc_writer: quick_xml::Writer<&mut Vec<u8>>) {
+        doc_writer
+            .create_element("svg")
+            .write_inner_content(|writer| {
+                self.filters
+                    .iter()
+                    .try_fold(writer, Self::gen_filter)
+                    .map(|_| {})
+            });
+    }
+
+    fn gen_filter<'w, 'r>(
+        writer: &'w mut quick_xml::Writer<&'r mut Vec<u8>>,
+        (id, graph): (&String, &FilterGraph),
+    ) -> Result<&'w mut quick_xml::Writer<&'r mut Vec<u8>>, CodegenError> {
+        writer
+            .create_element("filter")
+            .with_attribute(("id", id.as_str()))
+            .write_inner_content(|writer| Self::graph_to_svg(writer, graph))
+    }
+
+    fn graph_to_svg(
+        writer: &mut quick_xml::Writer<&mut Vec<u8>>,
+        graph: &FilterGraph,
+    ) -> Result<(), CodegenError> {
+        let sorted = toposort(&graph.dag, None).expect("no cycles allowed in a DAG");
+        sorted
+            .into_iter()
+            .filter_map(|node_idx| {
+                graph
+                    .dag
+                    .node_weight(node_idx)
+                    .and_then(|node| node.primitive())
+                    .map(|(primitive, common_attrs)| (node_idx, primitive, common_attrs))
+            })
+            .try_fold(writer, |writer, (node_idx, primitive, common_attrs)| {
+                primitive.element_writer(
+                    writer,
+                    *common_attrs,
+                    graph
+                        .inputs(node_idx)
+                        .into_iter()
+                        .map(|v| v.to_string())
+                        .collect(),
+                    graph
+                        .outputs(node_idx)
+                        .is_empty()
+                        .not()
+                        .then_some(format!("r{}", node_idx.index())),
+                )
+            })?;
+
+        Ok(())
+    }
+}
+
+/// convenience method to avoid fuckups during future changes
+fn format_edge_idx(idx: EdgeIndex) -> String {
+    format!("edge{}", idx.index())
+}
+
+fn format_node_idx(node_idx: NodeIndex) -> String {
+    format!("r{}", node_idx.index())
+}
+
+mod error {
+    use std::{error::Error, fmt::Display};
+
+    #[derive(Debug)]
+    pub enum CodegenError {
+        QuickXmlError(quick_xml::Error),
+    }
+
+    impl From<quick_xml::Error> for CodegenError {
+        fn from(value: quick_xml::Error) -> Self {
+            Self::QuickXmlError(value)
+        }
+    }
+
+    impl Display for CodegenError {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            match self {
+                CodegenError::QuickXmlError(e) => e.fmt(f),
+            }
+        }
+    }
+
+    impl Error for CodegenError {}
+}
+
+impl Default for SvgDocument {
+    fn default() -> Self {
+        Self::new()
+    }
+}
--- a/crates/svg-filters/src/lib.rs
+++ b/crates/svg-filters/src/lib.rs
@ -0,0 +1,40 @@
+#![feature(lint_reasons)]
+
+#[macro_use]
+pub mod util {
+    macro_rules! gen_attr {
+        ($name:literal = $out:expr) => {
+            quick_xml::events::attributes::Attribute {
+                key: quick_xml::name::QName($name),
+                value: std::borrow::Cow::from(($out).to_string().into_bytes()),
+            }
+        };
+    }
+
+    macro_rules! gen_attrs {
+        ($($name:literal: $out:expr),+) => {
+            vec![
+                $(gen_attr!($name = $out)),+
+            ]
+        };
+        ($($cond:expr => $name:literal: $out:expr),+) => {
+             {
+                let mut r = Vec::new();
+                $(if $cond {
+                    r.push(gen_attr!($name = $out));
+                })+
+                r
+            }
+        };
+        ($other:ident; $($cond:expr => $name:literal: $out:expr),+) => {
+            $other.append(&mut gen_attrs![$($cond => $name: $out),+]);
+        };
+    }
+}
+
+pub mod codegen;
+pub mod types;
+pub use types::nodes::Node;
+
+#[cfg(test)]
+mod tests;
--- a/crates/svg-filters/src/main.rs
+++ b/crates/svg-filters/src/main.rs
@ -0,0 +1,65 @@
+use svg_filters::{
+    codegen::SvgDocument,
+    types::nodes::{
+        primitives::{
+            blend::BlendMode,
+            color_matrix::ColorMatrixType,
+            component_transfer::TransferFn,
+            displacement_map::Channel,
+            turbulence::{NoiseType, StitchTiles},
+        },
+        standard_input::StandardInput,
+    },
+};
+
+fn main() {
+    let mut doc = SvgDocument::new();
+
+    let f = doc.create_filter("cmyk-chromabb");
+
+    let noise = f.turbulence(0., 0.1, 2, 0, StitchTiles::Stitch, NoiseType::FractalNoise);
+    let noise = f.component_transfer_rgba(
+        noise,
+        TransferFn::Discrete {
+            table_values: vec![0., 0.2, 0.4, 0.6, 0.8, 1.],
+        },
+        TransferFn::Discrete {
+            table_values: vec![0., 0.2, 0.4, 0.6, 0.8, 1.],
+        },
+        TransferFn::Discrete {
+            table_values: vec![0., 0.2, 0.4, 0.6, 0.8, 1.],
+        },
+        TransferFn::Linear {
+            slope: 0.,
+            intercept: 0.5,
+        },
+    );
+
+    let cyan = f.color_matrix(
+        StandardInput::SourceGraphic,
+        ColorMatrixType::Matrix(Box::new([
+            0., 0., 0., 0., 0., //
+            0., 1., 0., 0., 0., //
+            0., 0., 1., 0., 0., //
+            0., 0., 0., 1., 0.,
+        ])),
+    );
+    let cyan = f.offset(cyan, 25., 0.);
+    let cyan = f.displacement_map(cyan, noise, 50., Channel::R, Channel::A);
+
+    let magenta = f.color_matrix(
+        StandardInput::SourceGraphic,
+        ColorMatrixType::Matrix(Box::new([
+            1., 0., 0., 0., 0., //
+            0., 0., 0., 0., 0., //
+            0., 0., 1., 0., 0., //
+            0., 0., 0., 1., 0.,
+        ])),
+    );
+    let magenta = f.displacement_map(magenta, noise, 50., Channel::R, Channel::A);
+    let magenta = f.offset(magenta, -25., 0.);
+
+    f.blend(cyan, magenta, BlendMode::Screen);
+
+    println!("{}", doc.generate_svg_pretty());
+}
--- a/crates/svg-filters/src/tests.rs
+++ b/crates/svg-filters/src/tests.rs
@ -0,0 +1,17 @@
+mod blend;
+mod color_matrix;
+mod complex;
+mod component_transfer;
+mod displacement_map;
+mod flood;
+mod gaussian_blur;
+mod offset;
+mod turbulence;
+mod composite {}
+mod convolve_matrix {}
+mod diffuse_lighting {}
+mod image {}
+mod merge {}
+mod morphology {}
+mod specular_lighting {}
+mod tile {}
--- a/crates/svg-filters/src/tests/blend.rs
+++ b/crates/svg-filters/src/tests/blend.rs
@ -0,0 +1,20 @@
+use crate::{
+    codegen::SvgDocument,
+    types::nodes::{primitives::blend::BlendMode, standard_input::StandardInput},
+};
+
+#[test]
+fn test_offset_blend() {
+    let mut doc = SvgDocument::new();
+
+    let blend = doc.create_filter("blend");
+
+    let offset0 = blend.offset(StandardInput::SourceGraphic, 100., 0.);
+    let offset1 = blend.offset(StandardInput::SourceGraphic, -100., 0.);
+    blend.blend(offset0, offset1, BlendMode::Multiply);
+
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="blend"><feOffset dx="-100" dy="0" in="SourceGraphic" result="r7"/><feOffset dx="100" dy="0" in="SourceGraphic" result="r6"/><feBlend mode="multiply" in="r6" in2="r7"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/color_matrix.rs
+++ b/crates/svg-filters/src/tests/color_matrix.rs
@ -0,0 +1,25 @@
+use crate::{
+    codegen::SvgDocument,
+    types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
+};
+
+#[test]
+fn test_greyscale_channel_extraction() {
+    let mut doc = SvgDocument::new();
+    let greyscale = doc.create_filter("greyscale");
+
+    greyscale.color_matrix(
+        StandardInput::SourceGraphic,
+        ColorMatrixType::Matrix(Box::new([
+            1., 0., 0., 0., 0., //
+            1., 0., 0., 0., 0., //
+            1., 0., 0., 0., 0., //
+            0., 0., 0., 1., 0.,
+        ])),
+    );
+
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="greyscale"><feColorMatrix values="1 0 0 0 0 1 0 0 0 0 1 0 0 0 0 0 0 0 1 0" in="SourceGraphic"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/complex.rs
+++ b/crates/svg-filters/src/tests/complex.rs
@ -0,0 +1,51 @@
+use crate::{
+    codegen::SvgDocument,
+    types::nodes::{primitives::color_matrix::ColorMatrixType, standard_input::StandardInput},
+};
+
+#[test]
+fn test_chrom_abb() {
+    let mut doc = SvgDocument::new();
+    let chromabb = doc.create_filter("chromabb_gen");
+
+    let chan_r = chromabb.color_matrix(
+        StandardInput::SourceGraphic,
+        ColorMatrixType::Matrix(Box::new([
+            1., 0., 0., 0., 0., //
+            0., 0., 0., 0., 0., //
+            0., 0., 0., 0., 0., //
+            0., 0., 0., 1., 0.,
+        ])),
+    );
+    let offset_r = chromabb.offset(chan_r, 25., 0.);
+    let blur_r = chromabb.gaussian_blur_xy(offset_r, 5, 0);
+
+    let chan_b = chromabb.color_matrix(
+        StandardInput::SourceGraphic,
+        ColorMatrixType::Matrix(Box::new([
+            0., 0., 0., 0., 0., //
+            0., 0., 0., 0., 0., //
+            0., 0., 1., 0., 0., //
+            0., 0., 0., 1., 0.,
+        ])),
+    );
+    let offset_b = chromabb.offset(chan_b, -25., 0.);
+    let blur_b = chromabb.gaussian_blur_xy(offset_b, 5, 0);
+
+    let composite_rb = chromabb.composite_arithmetic(blur_r, blur_b, 0., 1., 1., 0.);
+
+    let chan_g = chromabb.color_matrix(
+        StandardInput::SourceGraphic,
+        ColorMatrixType::Matrix(Box::new([
+            0., 0., 0., 0., 0., //
+            0., 1., 0., 0., 0., //
+            0., 0., 0., 0., 0., //
+            0., 0., 0., 1., 0.,
+        ])),
+    );
+    chromabb.composite_arithmetic(composite_rb, chan_g, 0., 1., 1., 0.);
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="chromabb_gen"><feColorMatrix values="0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" result="r13"/><feColorMatrix values="0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0" in="SourceGraphic" result="r9"/><feOffset dx="-25" dy="0" in="r9" result="r10"/><feGaussianBlur stdDeviation="5 0" in="r10" result="r11"/><feColorMatrix values="1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0" in="SourceGraphic" result="r6"/><feOffset dx="25" dy="0" in="r6" result="r7"/><feGaussianBlur stdDeviation="5 0" in="r7" result="r8"/><feComposite operator="arithmetic" k1="0" k2="1" k3="1" k4="0" in="r8" in2="r11" result="r12"/><feComposite operator="arithmetic" k1="0" k2="1" k3="1" k4="0" in="r12" in2="r13"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/component_transfer.rs
+++ b/crates/svg-filters/src/tests/component_transfer.rs
@ -0,0 +1,36 @@
+use crate::{
+    codegen::SvgDocument,
+    types::nodes::primitives::{
+        component_transfer::{ComponentTransfer, TransferFn},
+        FePrimitive,
+    },
+    Node,
+};
+
+#[test]
+fn test_comp_trans_simple() {
+    let mut doc = SvgDocument::new();
+
+    let comptrans = doc.create_filter("comp_trans");
+
+    comptrans.add_node(Node::simple(FePrimitive::ComponentTransfer(
+        ComponentTransfer {
+            func_r: TransferFn::Table {
+                table_values: vec![0., 0.1, 0.4, 0.9],
+            },
+            func_g: TransferFn::Discrete {
+                table_values: vec![0.1, 0.3, 0.5, 0.7, 0.9],
+            },
+            func_b: TransferFn::Linear {
+                slope: 1.0,
+                intercept: 0.75,
+            },
+            func_a: TransferFn::Identity,
+        },
+    )));
+
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="comp_trans"><feComponentTransfer><feFuncR type="table" tableValues="0 0.1 0.4 0.9"/><feFuncG type="discrete" tableValues="0.1 0.3 0.5 0.7 0.9"/><feFuncB type="linear" slope="1" intercept="0.75"/><feFuncA type="identity"/></feComponentTransfer></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/displacement_map.rs
+++ b/crates/svg-filters/src/tests/displacement_map.rs
@ -0,0 +1,32 @@
+use crate::{
+    codegen::SvgDocument,
+    types::nodes::{
+        primitives::{
+            displacement_map::Channel,
+            turbulence::{NoiseType, StitchTiles},
+        },
+        standard_input::StandardInput,
+    },
+};
+
+#[test]
+fn test_displacement_map_simple() {
+    let mut doc = SvgDocument::new();
+
+    let displace = doc.create_filter("displace");
+
+    let simple_noise =
+        displace.turbulence(0.01, 0.01, 1, 0, StitchTiles::Stitch, NoiseType::Turbulence);
+    displace.displacement_map(
+        StandardInput::SourceGraphic,
+        simple_noise,
+        128.,
+        Channel::R,
+        Channel::R,
+    );
+
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="displace"><feTurbulence baseFrequency="0.01 0.01" stitchTiles="stitch" result="r6"/><feDisplacementMap scale="128" xChannelSelector="R" yChannelSelector="R" in="SourceGraphic" in2="r6"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/flood.rs
+++ b/crates/svg-filters/src/tests/flood.rs
@ -0,0 +1,17 @@
+use csscolorparser::Color;
+
+use crate::codegen::SvgDocument;
+
+#[test]
+fn test_flood_simple() {
+    let mut doc = SvgDocument::new();
+
+    let turbdispl = doc.create_filter("noiseDisplace");
+
+    turbdispl.flood(Color::new(0.9, 0.7, 0.85, 1.), 1.);
+
+    assert_eq!(
+        doc.generate_svg(),
+        r##"<svg><filter id="noiseDisplace"><feFlood flood-color="#e6b3d9" flood-opacity="1"/></filter></svg>"##
+    );
+}
--- a/crates/svg-filters/src/tests/gaussian_blur.rs
+++ b/crates/svg-filters/src/tests/gaussian_blur.rs
@ -0,0 +1,13 @@
+use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
+
+#[test]
+fn test_simple_blur() {
+    let mut doc = SvgDocument::new();
+    let blur = doc.create_filter("blur");
+
+    blur.gaussian_blur_xy(StandardInput::SourceGraphic, 30, 30);
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="blur"><feGaussianBlur stdDeviation="30 30" in="SourceGraphic"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/offset.rs
+++ b/crates/svg-filters/src/tests/offset.rs
@ -0,0 +1,14 @@
+use crate::{codegen::SvgDocument, types::nodes::standard_input::StandardInput};
+
+#[test]
+fn test_offset_simple() {
+    let mut doc = SvgDocument::new();
+    let offset = doc.create_filter("offset");
+
+    offset.offset(StandardInput::SourceGraphic, 25., -25.);
+
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="offset"><feOffset dx="25" dy="-25" in="SourceGraphic"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/tests/turbulence.rs
+++ b/crates/svg-filters/src/tests/turbulence.rs
@ -0,0 +1,25 @@
+use crate::{
+    codegen::SvgDocument,
+    types::nodes::primitives::turbulence::{NoiseType, StitchTiles},
+};
+
+#[test]
+fn test_simple_turbulence() {
+    let mut doc = SvgDocument::new();
+
+    let noise = doc.create_filter("noise");
+
+    noise.turbulence(
+        0.01,
+        0.01,
+        1,
+        0,
+        StitchTiles::Stitch,
+        NoiseType::FractalNoise,
+    );
+
+    assert_eq!(
+        doc.generate_svg(),
+        r#"<svg><filter id="noise"><feTurbulence baseFrequency="0.01 0.01" stitchTiles="stitch" type="fractalNoise"/></filter></svg>"#
+    );
+}
--- a/crates/svg-filters/src/types.rs
+++ b/crates/svg-filters/src/types.rs
@ -0,0 +1,6 @@
+pub mod length;
+pub mod nodes;
+
+// pub mod old;
+
+pub mod graph;
--- a/crates/svg-filters/src/types/graph.rs
+++ b/crates/svg-filters/src/types/graph.rs
@ -0,0 +1,143 @@
+use std::fmt::{Debug, Display};
+
+use petgraph::{prelude::NodeIndex, prelude::*};
+
+use crate::Node;
+
+use super::nodes::standard_input::StandardInput;
+
+#[derive(Debug)]
+pub struct FilterGraph {
+    pub dag: DiGraph<Node, ()>,
+    source_graphic_idx: NodeIndex,
+    source_alpha_idx: NodeIndex,
+    background_image_idx: NodeIndex,
+    background_alpha_idx: NodeIndex,
+    fill_paint_idx: NodeIndex,
+    stroke_paint_idx: NodeIndex,
+}
+
+impl Default for FilterGraph {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+#[derive(Debug, Clone, Copy)]
+pub enum NodeInput {
+    Standard(StandardInput),
+    Idx(NodeIndex),
+}
+
+impl Display for NodeInput {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            NodeInput::Standard(s) => Debug::fmt(s, f),
+            NodeInput::Idx(idx) => write!(f, "r{}", idx.index()),
+        }
+    }
+}
+
+impl From<StandardInput> for NodeInput {
+    fn from(value: StandardInput) -> Self {
+        Self::Standard(value)
+    }
+}
+
+impl From<NodeIndex> for NodeInput {
+    fn from(value: NodeIndex) -> Self {
+        Self::Idx(value)
+    }
+}
+
+impl FilterGraph {
+    pub fn new() -> Self {
+        let mut dag = DiGraph::new();
+
+        let source_graphic_idx = dag.add_node(Node::StdInput(StandardInput::SourceGraphic));
+        let source_alpha_idx = dag.add_node(Node::StdInput(StandardInput::SourceAlpha));
+        let background_image_idx = dag.add_node(Node::StdInput(StandardInput::BackgroundImage));
+        let background_alpha_idx = dag.add_node(Node::StdInput(StandardInput::BackgroundAlpha));
+        let fill_paint_idx = dag.add_node(Node::StdInput(StandardInput::FillPaint));
+        let stroke_paint_idx = dag.add_node(Node::StdInput(StandardInput::StrokePaint));
+
+        Self {
+            dag,
+            source_graphic_idx,
+            source_alpha_idx,
+            background_image_idx,
+            background_alpha_idx,
+            fill_paint_idx,
+            stroke_paint_idx,
+        }
+    }
+
+    pub fn add_node(&mut self, node: Node) -> NodeIndex {
+        self.dag.add_node(node)
+    }
+
+    fn resolve_input(&self, input: NodeInput) -> NodeIndex {
+        match input {
+            NodeInput::Standard(StandardInput::SourceGraphic) => self.source_graphic_idx,
+            NodeInput::Standard(StandardInput::SourceAlpha) => self.source_alpha_idx,
+            NodeInput::Standard(StandardInput::BackgroundImage) => self.background_image_idx,
+            NodeInput::Standard(StandardInput::BackgroundAlpha) => self.background_alpha_idx,
+            NodeInput::Standard(StandardInput::FillPaint) => self.fill_paint_idx,
+            NodeInput::Standard(StandardInput::StrokePaint) => self.stroke_paint_idx,
+            NodeInput::Idx(i) => i,
+        }
+    }
+
+    #[allow(
+        clippy::unwrap_used,
+        reason = "we only operate on values we know exist, so unwrapping is safe"
+    )]
+    pub fn inputs(&self, node_idx: NodeIndex) -> Vec<NodeInput> {
+        let mut inputs = self
+            .dag
+            .neighbors_directed(node_idx, Direction::Incoming)
+            .map(|input_idx| (self.dag.find_edge(input_idx, node_idx).unwrap(), input_idx))
+            .collect::<Vec<_>>();
+
+        inputs.sort_by(|(a, _), (b, _)| a.cmp(b));
+
+        inputs
+            .into_iter()
+            .map(
+                |(_, input_idx)| match self.dag.node_weight(input_idx).unwrap() {
+                    Node::StdInput(s) => NodeInput::Standard(*s),
+                    Node::Primitive { .. } => NodeInput::Idx(input_idx),
+                },
+            )
+            .collect()
+    }
+
+    pub fn outputs(&self, node_idx: NodeIndex) -> Vec<NodeIndex> {
+        self.dag
+            .neighbors_directed(node_idx, Direction::Outgoing)
+            .collect()
+    }
+
+    pub fn source_graphic(&self) -> NodeIndex {
+        self.source_graphic_idx
+    }
+    pub fn source_alpha(&self) -> NodeIndex {
+        self.source_alpha_idx
+    }
+    pub fn background_image(&self) -> NodeIndex {
+        self.background_image_idx
+    }
+    pub fn background_alpha(&self) -> NodeIndex {
+        self.background_alpha_idx
+    }
+    pub fn fill_paint(&self) -> NodeIndex {
+        self.fill_paint_idx
+    }
+    pub fn stroke_paint(&self) -> NodeIndex {
+        self.stroke_paint_idx
+    }
+}
+
+pub mod abstracted_inputs;
+
+pub mod edge;
--- a/crates/svg-filters/src/types/graph/abstracted_inputs.rs
+++ b/crates/svg-filters/src/types/graph/abstracted_inputs.rs
@ -0,0 +1,196 @@
+use csscolorparser::Color;
+use petgraph::{data::Build, prelude::NodeIndex};
+
+use crate::{
+    types::nodes::primitives::{
+        blend::BlendMode,
+        color_matrix::ColorMatrixType,
+        component_transfer::TransferFn,
+        displacement_map::Channel,
+        turbulence::{NoiseType, StitchTiles},
+    },
+    Node,
+};
+
+use super::{FilterGraph, NodeInput};
+
+impl FilterGraph {
+    pub fn color_matrix(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        cm_type: ColorMatrixType,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::color_matrix(cm_type));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+
+    pub fn offset(&mut self, r#in: impl Into<NodeInput>, dx: f32, dy: f32) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::offset(dx, dy));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+
+    pub fn gaussian_blur_xy(&mut self, r#in: impl Into<NodeInput>, x: u16, y: u16) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::gaussian_blur_xy(x, y));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+
+    pub fn blend(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        in2: impl Into<NodeInput>,
+        mode: BlendMode,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::blend(mode));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        self.dag
+            .add_edge(self.resolve_input(in2.into()), node_idx, ());
+        node_idx
+    }
+
+    pub fn composite_arithmetic(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        in2: impl Into<NodeInput>,
+        k1: f32,
+        k2: f32,
+        k3: f32,
+        k4: f32,
+    ) -> NodeIndex {
+        let node_idx = self
+            .dag
+            .add_node(Node::composite_arithmetic(k1, k2, k3, k4));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        self.dag
+            .add_edge(self.resolve_input(in2.into()), node_idx, ());
+        node_idx
+    }
+
+    pub fn component_transfer_rgba(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        r: TransferFn,
+        g: TransferFn,
+        b: TransferFn,
+        a: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_rgba(r, g, b, a));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+    pub fn component_transfer_rgb(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        r: TransferFn,
+        g: TransferFn,
+        b: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_rgb(r, g, b));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+    pub fn component_transfer_r(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        func: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_r(func));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+    pub fn component_transfer_g(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        func: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_g(func));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+    pub fn component_transfer_b(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        func: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_b(func));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+    pub fn component_transfer_a(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        func: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_a(func));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+    pub fn component_transfer_single(
+        &mut self,
+        r#in: impl Into<NodeInput>,
+        func: TransferFn,
+    ) -> NodeIndex {
+        let node_idx = self.dag.add_node(Node::component_transfer_single(func));
+        self.dag
+            .add_edge(self.resolve_input(r#in.into()), node_idx, ());
+        node_idx
+    }
+
+    pub fn flood(&mut self, flood_color: Color, flood_opacity: f32) -> NodeIndex {
+        self.dag.add_node(Node::flood(flood_color, flood_opacity))
+    }
+
+    pub fn flood_opaque(&mut self, flood_color: Color) -> NodeIndex {
+        self.dag.add_node(Node::flood_opaque(flood_color))
+    }
+
+    pub fn turbulence(
+        &mut self,
+        base_freq_x: f32,
+        base_freq_y: f32,
+        num_octaves: u16,
+        seed: u32,
+        stitch_tiles: StitchTiles,
+        noise_type: NoiseType,
+    ) -> NodeIndex {
+        self.dag.add_node(Node::turbulence(
+            base_freq_x,
+            base_freq_y,
+            num_octaves,
+            seed,
+            stitch_tiles,
+            noise_type,
+        ))
+    }
+
+    pub fn displacement_map(
+        &mut self,
+        source_image: impl Into<NodeInput>,
+        displacement_map: impl Into<NodeInput>,
+        scale: f32,
+        x_channel: Channel,
+        y_channel: Channel,
+    ) -> NodeIndex {
+        let node_idx = self
+            .dag
+            .add_node(Node::displacement_map(scale, x_channel, y_channel));
+        self.dag
+            .add_edge(self.resolve_input(source_image.into()), node_idx, ());
+        self.dag
+            .add_edge(self.resolve_input(displacement_map.into()), node_idx, ());
+        node_idx
+    }
+}
--- a/crates/svg-filters/src/types/graph/edge.rs
+++ b/crates/svg-filters/src/types/graph/edge.rs
@ -0,0 +1,19 @@
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Default)]
+pub struct Edge {
+    input_idx: u8,
+}
+
+impl Edge {
+    pub fn new(input_idx: u8) -> Self {
+        Self { input_idx }
+    }
+}
+
+impl ToString for Edge {
+    fn to_string(&self) -> String {
+        match self.input_idx {
+            0 => "in".to_owned(),
+            n => format!("in{}", n + 1),
+        }
+    }
+}
--- a/crates/svg-filters/src/types/length.rs
+++ b/crates/svg-filters/src/types/length.rs
@ -0,0 +1,48 @@
+use std::fmt::Display;
+
+#[derive(Default, Debug, Clone, Copy)]
+pub struct Length(f32, Unit);
+
+impl Length {
+    pub fn is_zero(&self) -> bool {
+        self.0 == 0.
+    }
+}
+
+impl Display for Length {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(f, "{}{}", self.0, self.1)
+    }
+}
+
+pub type Coordinate = Length;
+
+#[derive(Default, Debug, Clone, Copy)]
+pub enum Unit {
+    #[default]
+    None,
+    Em,
+    Ex,
+    Px,
+    In,
+    Cm,
+    Mm,
+    Pt,
+    Pc,
+}
+
+impl Display for Unit {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        match self {
+            Unit::None => f.write_str(""),
+            Unit::Em => f.write_str("em"),
+            Unit::Ex => f.write_str("ex"),
+            Unit::Px => f.write_str("px"),
+            Unit::In => f.write_str("in"),
+            Unit::Cm => f.write_str("cm"),
+            Unit::Mm => f.write_str("mm"),
+            Unit::Pt => f.write_str("pt"),
+            Unit::Pc => f.write_str("pc"),
+        }
+    }
+}
--- a/crates/svg-filters/src/types/nodes.rs
+++ b/crates/svg-filters/src/types/nodes.rs
@ -0,0 +1,237 @@
+use std::borrow::Cow;
+
+use csscolorparser::Color;
+use quick_xml::{events::attributes::Attribute, name::QName};
+
+use self::{
+    primitives::{
+        blend::{Blend, BlendMode},
+        color_matrix::{ColorMatrix, ColorMatrixType},
+        component_transfer::{ComponentTransfer, TransferFn},
+        composite::{Composite, CompositeOperator},
+        displacement_map::{Channel, DisplacementMap},
+        flood::Flood,
+        gaussian_blur::GaussianBlur,
+        offset::Offset,
+        turbulence::{NoiseType, StitchTiles, Turbulence},
+        FePrimitive,
+    },
+    standard_input::StandardInput,
+};
+
+use super::length::{Coordinate, Length};
+
+pub mod primitives;
+pub mod standard_input;
+
+#[derive(Debug)]
+pub enum Node {
+    StdInput(StandardInput),
+    Primitive {
+        primitive: FePrimitive,
+        common_attrs: CommonAttrs,
+    },
+}
+
+impl Default for Node {
+    fn default() -> Self {
+        Self::StdInput(StandardInput::SourceGraphic)
+    }
+}
+
+#[derive(Default, Debug, Clone, Copy)]
+pub struct CommonAttrs {
+    pub x: Coordinate,
+    pub y: Coordinate,
+    pub width: Length,
+    pub height: Length,
+}
+
+impl From<CommonAttrs> for Vec<Attribute<'_>> {
+    fn from(val: CommonAttrs) -> Self {
+        gen_attrs![
+            !val.x.is_zero() => b"x": val.x,
+            !val.y.is_zero() => b"y": val.y,
+            !val.width.is_zero() => b"width": val.width,
+            !val.height.is_zero() => b"height": val.height
+        ]
+    }
+}
+
+impl Node {
+    pub fn simple(el: FePrimitive) -> Node {
+        Node::Primitive {
+            primitive: el,
+            common_attrs: CommonAttrs::default(),
+        }
+    }
+
+    pub fn primitive(&self) -> Option<(&FePrimitive, &CommonAttrs)> {
+        if let Node::Primitive {
+            primitive,
+            common_attrs,
+        } = self
+        {
+            Some((primitive, common_attrs))
+        } else {
+            None
+        }
+    }
+
+    pub fn input_count(&self) -> u8 {
+        match self {
+            Node::Primitive {
+                primitive:
+                    FePrimitive::ColorMatrix(_)
+                    | FePrimitive::ComponentTransfer(_)
+                    | FePrimitive::ConvolveMatrix(_)
+                    | FePrimitive::DiffuseLighting(_)
+                    | FePrimitive::GaussianBlur(_)
+                    | FePrimitive::Morphology(_)
+                    | FePrimitive::Offset(_)
+                    | FePrimitive::SpecularLighting(_)
+                    | FePrimitive::Tile(_),
+                ..
+            } => 1,
+
+            Node::Primitive {
+                primitive:
+                    FePrimitive::Composite(_) | FePrimitive::Blend(_) | FePrimitive::DisplacementMap(_),
+                ..
+            } => 2,
+
+            Node::StdInput(_)
+            | Node::Primitive {
+                primitive:
+                    FePrimitive::Flood(_) | FePrimitive::Image(_) | FePrimitive::Turbulence(_),
+                ..
+            } => 0,
+            Node::Primitive {
+                primitive: FePrimitive::Merge(_),
+                ..
+            } => todo!(),
+        }
+    }
+
+    pub fn blend(mode: BlendMode) -> Self {
+        Self::simple(FePrimitive::Blend(Blend::new(mode)))
+    }
+
+    pub fn color_matrix(cm_type: ColorMatrixType) -> Self {
+        Self::simple(FePrimitive::ColorMatrix(ColorMatrix::new(cm_type)))
+    }
+
+    pub fn composite(op: CompositeOperator) -> Self {
+        Self::simple(FePrimitive::Composite(Composite::new(op)))
+    }
+
+    pub fn composite_arithmetic(k1: f32, k2: f32, k3: f32, k4: f32) -> Self {
+        Self::composite(CompositeOperator::Arithmetic { k1, k2, k3, k4 })
+    }
+
+    pub fn gaussian_blur(v: u16) -> Self {
+        Self::simple(FePrimitive::GaussianBlur(GaussianBlur::single(v)))
+    }
+
+    pub fn gaussian_blur_xy(x: u16, y: u16) -> Self {
+        Self::simple(FePrimitive::GaussianBlur(GaussianBlur::with_xy(x, y)))
+    }
+
+    pub fn offset(dx: f32, dy: f32) -> Self {
+        Self::simple(FePrimitive::Offset(Offset::new(dx, dy)))
+    }
+
+    pub fn component_transfer_rgba(
+        r: TransferFn,
+        g: TransferFn,
+        b: TransferFn,
+        a: TransferFn,
+    ) -> Self {
+        Self::simple(FePrimitive::ComponentTransfer(ComponentTransfer {
+            func_r: r,
+            func_g: g,
+            func_b: b,
+            func_a: a,
+        }))
+    }
+
+    pub fn component_transfer_rgb(r: TransferFn, g: TransferFn, b: TransferFn) -> Self {
+        Self::component_transfer_rgba(r, g, b, TransferFn::Identity)
+    }
+
+    pub fn component_transfer_r(func: TransferFn) -> Self {
+        Self::component_transfer_rgba(
+            func,
+            TransferFn::Identity,
+            TransferFn::Identity,
+            TransferFn::Identity,
+        )
+    }
+
+    pub fn component_transfer_g(func: TransferFn) -> Self {
+        Self::component_transfer_rgba(
+            TransferFn::Identity,
+            func,
+            TransferFn::Identity,
+            TransferFn::Identity,
+        )
+    }
+
+    pub fn component_transfer_b(func: TransferFn) -> Self {
+        Self::component_transfer_rgba(
+            TransferFn::Identity,
+            TransferFn::Identity,
+            func,
+            TransferFn::Identity,
+        )
+    }
+
+    pub fn component_transfer_a(func: TransferFn) -> Self {
+        Self::component_transfer_rgba(
+            TransferFn::Identity,
+            TransferFn::Identity,
+            TransferFn::Identity,
+            func,
+        )
+    }
+
+    pub fn component_transfer_single(func: TransferFn) -> Self {
+        Self::component_transfer_rgb(func.clone(), func.clone(), func)
+    }
+
+    pub fn flood(flood_color: Color, flood_opacity: f32) -> Self {
+        Self::simple(FePrimitive::Flood(Flood {
+            flood_color,
+            flood_opacity,
+        }))
+    }
+
+    pub fn flood_opaque(flood_color: Color) -> Self {
+        Self::flood(flood_color, 1.)
+    }
+
+    pub fn turbulence(
+        base_freq_x: f32,
+        base_freq_y: f32,
+        num_octaves: u16,
+        seed: u32,
+        stitch_tiles: StitchTiles,
+        noise_type: NoiseType,
+    ) -> Self {
+        Self::simple(FePrimitive::Turbulence(Turbulence {
+            base_frequency: (base_freq_x, base_freq_y),
+            num_octaves,
+            seed,
+            stitch_tiles,
+            noise_type,
+        }))
+    }
+
+    pub fn displacement_map(scale: f32, x_channel: Channel, y_channel: Channel) -> Self {
+        Self::simple(FePrimitive::DisplacementMap(DisplacementMap {
+            scale,
+            x_channel_selector: x_channel,
+            y_channel_selector: y_channel,
+        }))
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives.rs
+++ b/crates/svg-filters/src/types/nodes/primitives.rs
@ -0,0 +1,150 @@
+use quick_xml::{events::attributes::Attribute, ElementWriter, Writer};
+use std::convert::Into;
+
+use super::CommonAttrs;
+
+pub mod blend;
+pub mod color_matrix;
+pub mod component_transfer;
+pub mod composite;
+pub mod convolve_matrix;
+pub mod diffuse_lighting;
+pub mod displacement_map;
+pub mod flood;
+pub mod gaussian_blur;
+pub mod image;
+pub mod merge;
+pub mod morphology;
+pub mod offset;
+pub mod specular_lighting;
+pub mod tile;
+pub mod turbulence;
+
+pub trait WriteElement {
+    fn attrs(&self) -> Vec<Attribute>;
+    fn tag_name(&self) -> &'static str;
+    fn element_writer<'writer, 'result>(
+        &self,
+        writer: &'writer mut Writer<&'result mut Vec<u8>>,
+        common: CommonAttrs,
+        inputs: Vec<String>,
+        output: Option<String>,
+    ) -> quick_xml::Result<&'writer mut quick_xml::Writer<&'result mut Vec<u8>>> {
+        let attrs: Vec<_> = inputs
+            .into_iter()
+            .enumerate()
+            .map(|(i, edge)| {
+                (
+                    match i {
+                        0 => "in".to_owned(),
+                        n => format!("in{}", n + 1),
+                    }
+                    .into_bytes(),
+                    edge.into_bytes(),
+                )
+            })
+            .collect();
+        let mut el_writer = writer
+            .create_element(self.tag_name())
+            .with_attributes(Into::<Vec<Attribute<'_>>>::into(common))
+            .with_attributes(self.attrs())
+            .with_attributes(attrs.iter().map(|(k, v)| (&k[..], &v[..])));
+        if let Some(output) = output {
+            el_writer = el_writer.with_attribute(("result", output.as_str()));
+        }
+
+        el_writer.write_empty()
+    }
+}
+
+/// svg filter effects primitives
+#[derive(Debug)]
+pub enum FePrimitive {
+    Blend(blend::Blend),
+    ColorMatrix(color_matrix::ColorMatrix),
+    ComponentTransfer(component_transfer::ComponentTransfer),
+    Composite(composite::Composite),
+    ConvolveMatrix(convolve_matrix::ConvolveMatrix),
+    DiffuseLighting(diffuse_lighting::DiffuseLighting),
+    DisplacementMap(displacement_map::DisplacementMap),
+    Flood(flood::Flood),
+    GaussianBlur(gaussian_blur::GaussianBlur),
+    Image(image::Image),
+    Merge(merge::Merge),
+    Morphology(morphology::Morphology),
+    Offset(offset::Offset),
+    SpecularLighting(specular_lighting::SpecularLighting),
+    Tile(tile::Tile),
+    Turbulence(turbulence::Turbulence),
+}
+
+impl WriteElement for FePrimitive {
+    fn attrs(&self) -> std::vec::Vec<quick_xml::events::attributes::Attribute<'_>> {
+        match self {
+            FePrimitive::Blend(el) => el.attrs(),
+            FePrimitive::ColorMatrix(el) => el.attrs(),
+            FePrimitive::ComponentTransfer(el) => el.attrs(),
+            FePrimitive::Composite(el) => el.attrs(),
+            FePrimitive::GaussianBlur(el) => el.attrs(),
+            FePrimitive::Offset(el) => el.attrs(),
+            FePrimitive::Turbulence(el) => el.attrs(),
+            FePrimitive::DisplacementMap(el) => el.attrs(),
+            FePrimitive::Flood(el) => el.attrs(),
+            FePrimitive::Morphology(el) => el.attrs(),
+            FePrimitive::ConvolveMatrix(_) => todo!(),
+            FePrimitive::DiffuseLighting(_) => todo!(),
+            FePrimitive::Image(_) => todo!(),
+            FePrimitive::Merge(_) => todo!(),
+            FePrimitive::SpecularLighting(_) => todo!(),
+            FePrimitive::Tile(_) => todo!(),
+        }
+    }
+
+    fn tag_name(&self) -> &'static str {
+        match self {
+            FePrimitive::Blend(el) => el.tag_name(),
+            FePrimitive::ColorMatrix(el) => el.tag_name(),
+            FePrimitive::ComponentTransfer(el) => el.tag_name(),
+            FePrimitive::Composite(el) => el.tag_name(),
+            FePrimitive::GaussianBlur(el) => el.tag_name(),
+            FePrimitive::Offset(el) => el.tag_name(),
+            FePrimitive::Turbulence(el) => el.tag_name(),
+            FePrimitive::DisplacementMap(el) => el.tag_name(),
+            FePrimitive::Flood(el) => el.tag_name(),
+            FePrimitive::Morphology(el) => el.tag_name(),
+            FePrimitive::ConvolveMatrix(_) => todo!(),
+            FePrimitive::DiffuseLighting(_) => todo!(),
+            FePrimitive::Image(_) => todo!(),
+            FePrimitive::Merge(_) => todo!(),
+            FePrimitive::SpecularLighting(_) => todo!(),
+            FePrimitive::Tile(_) => todo!(),
+        }
+    }
+
+    fn element_writer<'writer, 'result>(
+        &self,
+        writer: &'writer mut Writer<&'result mut Vec<u8>>,
+        common: CommonAttrs,
+        inputs: Vec<String>,
+        output: Option<String>,
+    ) -> quick_xml::Result<&'writer mut quick_xml::Writer<&'result mut Vec<u8>>> {
+        match self {
+            FePrimitive::Blend(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::ColorMatrix(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::ComponentTransfer(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::Composite(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::Turbulence(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::GaussianBlur(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::Offset(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::DisplacementMap(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::Flood(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::Morphology(el) => el.element_writer(writer, common, inputs, output),
+            FePrimitive::ConvolveMatrix(_) => todo!(),
+            FePrimitive::DiffuseLighting(_) => todo!(),
+            FePrimitive::Image(_) => todo!(),
+            FePrimitive::Merge(_) => todo!(),
+            FePrimitive::SpecularLighting(_) => todo!(),
+            FePrimitive::Tile(_) => todo!(),
+        }
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/blend.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/blend.rs
@ -0,0 +1,82 @@
+use std::fmt::Display;
+
+use super::WriteElement;
+
+/// [feBlend](https://www.w3.org/TR/SVG11/filters.html#feBlendElement)
+#[derive(Debug)]
+pub struct Blend {
+    mode: BlendMode,
+}
+
+impl Blend {
+    pub fn new(mode: BlendMode) -> Self {
+        Self { mode }
+    }
+}
+
+impl Default for Blend {
+    fn default() -> Self {
+        Self {
+            mode: BlendMode::Normal,
+        }
+    }
+}
+
+impl WriteElement for Blend {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        if let BlendMode::Normal = self.mode {
+            Vec::new()
+        } else {
+            gen_attrs![b"mode": self.mode]
+        }
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feBlend"
+    }
+}
+
+/// as according to https://drafts.fxtf.org/compositing-1/#blending
+#[derive(Debug)]
+pub enum BlendMode {
+    Normal,
+    Multiply,
+    Screen,
+    Overlay,
+    Darken,
+    Lighten,
+    ColorDodge,
+    ColorBurn,
+    HardLight,
+    SoftLight,
+    Difference,
+    Exclusion,
+
+    Hue,
+    Saturation,
+    Color,
+    Luminosity,
+}
+
+impl Display for BlendMode {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(match self {
+            BlendMode::Normal => "normal",
+            BlendMode::Multiply => "multiply",
+            BlendMode::Screen => "screen",
+            BlendMode::Overlay => "overlay",
+            BlendMode::Darken => "darken",
+            BlendMode::Lighten => "lighten",
+            BlendMode::ColorDodge => "color-dodge",
+            BlendMode::ColorBurn => "color-burn",
+            BlendMode::HardLight => "hard-light",
+            BlendMode::SoftLight => "soft-light",
+            BlendMode::Difference => "difference",
+            BlendMode::Exclusion => "exclusion",
+            BlendMode::Hue => "hue",
+            BlendMode::Saturation => "saturation",
+            BlendMode::Color => "color",
+            BlendMode::Luminosity => "luminosity",
+        })
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/color_matrix.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/color_matrix.rs
@ -0,0 +1,47 @@
+use super::WriteElement;
+
+/// [feColorMatrix](https://www.w3.org/TR/SVG11/filters.html#feColorMatrixElement)
+#[derive(Debug)]
+pub struct ColorMatrix {
+    cm_type: ColorMatrixType,
+}
+
+impl ColorMatrix {
+    pub fn new(cm_type: ColorMatrixType) -> Self {
+        Self { cm_type }
+    }
+}
+
+impl WriteElement for ColorMatrix {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        match &self.cm_type {
+            ColorMatrixType::Matrix(v) => gen_attrs![
+                b"values": v
+                    .iter()
+                    .map(std::string::ToString::to_string)
+                    .reduce(|mut acc, e| {
+                        acc.push(' ');
+                        acc.push_str(&e);
+                        acc
+                    })
+                    .expect("fixed length arr should always work")
+            ],
+            ColorMatrixType::Saturate(v) | ColorMatrixType::HueRotate(v) => {
+                gen_attrs![b"values": v]
+            }
+            ColorMatrixType::LuminanceToAlpha => Vec::new(),
+        }
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feColorMatrix"
+    }
+}
+
+#[derive(Debug)]
+pub enum ColorMatrixType {
+    Matrix(Box<[f32; 20]>),
+    Saturate(f32),
+    HueRotate(f32),
+    LuminanceToAlpha,
+}
--- a/crates/svg-filters/src/types/nodes/primitives/component_transfer.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/component_transfer.rs
@ -0,0 +1,134 @@
+use quick_xml::{events::attributes::Attribute, Writer};
+
+use super::WriteElement;
+
+/// [feComponentTransfer](https://www.w3.org/TR/SVG11/filters.html#feComponentTransferElement)
+#[derive(Debug)]
+pub struct ComponentTransfer {
+    pub func_r: TransferFn,
+    pub func_g: TransferFn,
+    pub func_b: TransferFn,
+    pub func_a: TransferFn,
+}
+
+impl WriteElement for ComponentTransfer {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        Vec::new()
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feComponentTransfer"
+    }
+
+    fn element_writer<'writer, 'result>(
+        &self,
+        writer: &'writer mut quick_xml::Writer<&'result mut Vec<u8>>,
+        common: crate::types::nodes::CommonAttrs,
+        inputs: Vec<String>,
+        output: Option<String>,
+    ) -> quick_xml::Result<&'writer mut quick_xml::Writer<&'result mut Vec<u8>>> {
+        let inputs: Vec<_> = inputs
+            .into_iter()
+            .enumerate()
+            .map(|(i, edge)| {
+                (
+                    match i {
+                        0 => "in".to_owned(),
+                        n => format!("in{}", n + 1),
+                    }
+                    .into_bytes(),
+                    edge.into_bytes(),
+                )
+            })
+            .collect();
+        let mut el_writer = writer
+            .create_element(self.tag_name())
+            .with_attributes(inputs.iter().map(|(k, v)| (&k[..], &v[..])))
+            .with_attributes(Into::<Vec<Attribute<'_>>>::into(common));
+        if let Some(output) = output {
+            el_writer = el_writer.with_attribute(("result", output.as_str()));
+        }
+
+        el_writer.write_inner_content(|writer| {
+            self.func_r.write_self(writer, "feFuncR")?;
+            self.func_g.write_self(writer, "feFuncG")?;
+            self.func_b.write_self(writer, "feFuncB")?;
+            self.func_a.write_self(writer, "feFuncA")?;
+            Ok(())
+        })
+    }
+}
+
+/// [transfer functions](https://www.w3.org/TR/SVG11/filters.html#transferFuncElements)
+#[derive(Debug, Clone)]
+pub enum TransferFn {
+    Identity,
+    Table {
+        table_values: Vec<f32>,
+    },
+    Discrete {
+        table_values: Vec<f32>,
+    },
+    Linear {
+        slope: f32,
+        intercept: f32,
+    },
+    Gamma {
+        amplitude: f32,
+        exponent: f32,
+        offset: f32,
+    },
+}
+
+impl TransferFn {
+    #[allow(clippy::str_to_string, reason = "inside macro call")]
+    fn write_self<'writer, 'result>(
+        &self,
+        target: &'writer mut Writer<&'result mut Vec<u8>>,
+        name: &'static str,
+    ) -> quick_xml::Result<&'writer mut Writer<&'result mut Vec<u8>>> {
+        target
+            .create_element(name)
+            .with_attributes(match self {
+                TransferFn::Identity => gen_attrs![b"type": "identity"],
+                TransferFn::Table { table_values } => gen_attrs![
+                b"type": "table",
+                b"tableValues":  table_values
+                    .iter()
+                    .map(std::string::ToString::to_string)
+                    .reduce(|mut acc, e| {
+                        acc.push(' ');
+                        acc.push_str(&e);
+                        acc
+                    }).expect("empty tables disallowed")
+                ],
+                TransferFn::Discrete { table_values } => gen_attrs![
+                    b"type": "discrete",
+                    b"tableValues":  table_values
+                    .iter()
+                    .map(std::string::ToString::to_string)
+                    .reduce(|mut acc, e| {
+                        acc.push(' ');
+                        acc.push_str(&e);
+                        acc
+                    }).expect("empty tables disallowed")
+                ],
+                TransferFn::Linear { slope, intercept } => gen_attrs![
+                    b"type": "linear",
+                    b"slope": slope,
+                    b"intercept": intercept
+                ],
+                TransferFn::Gamma {
+                    amplitude,
+                    exponent,
+                    offset,
+                } => gen_attrs![
+                    b"type": "gamma",
+                    b"amplitude": amplitude,
+                    b"exponent": exponent,
+                    b"offset": offset
+                ],
+            })
+            .write_empty()
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/composite.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/composite.rs
@ -0,0 +1,86 @@
+use std::borrow::Cow;
+
+use quick_xml::{events::attributes::Attribute, name::QName};
+
+use super::WriteElement;
+
+/// [feComposite](https://www.w3.org/TR/SVG11/filters.html#feCompositeElement)
+#[derive(Debug)]
+pub struct Composite {
+    operator: CompositeOperator,
+}
+
+impl Composite {
+    pub fn new(op: CompositeOperator) -> Self {
+        Self { operator: op }
+    }
+
+    pub fn arithmetic(k1: f32, k2: f32, k3: f32, k4: f32) -> Self {
+        Self {
+            operator: CompositeOperator::Arithmetic { k1, k2, k3, k4 },
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum CompositeOperator {
+    Over,
+    In,
+    Out,
+    Atop,
+    Xor,
+    Arithmetic { k1: f32, k2: f32, k3: f32, k4: f32 },
+}
+
+impl WriteElement for Composite {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        let (op_name, vals) = match self.operator {
+            CompositeOperator::Over => ("over", None),
+            CompositeOperator::In => ("in", None),
+            CompositeOperator::Out => ("out", None),
+            CompositeOperator::Atop => ("atop", None),
+            CompositeOperator::Xor => ("xor", None),
+            CompositeOperator::Arithmetic { k1, k2, k3, k4 } => {
+                ("arithmetic", Some([k1, k2, k3, k4]))
+            }
+        };
+
+        let mut r = vec![Attribute {
+            key: QName(b"operator"),
+            value: Cow::from(op_name.as_bytes()),
+        }];
+
+        if let Some([k1, k2, k3, k4]) = vals {
+            // r.append(&mut vec![
+            //     Attribute {
+            //         key: QName(b"k1"),
+            //         value: Cow::from(k1.to_string().into_bytes()),
+            //     },
+            //     Attribute {
+            //         key: QName(b"k2"),
+            //         value: Cow::from(k2.to_string().into_bytes()),
+            //     },
+            //     Attribute {
+            //         key: QName(b"k3"),
+            //         value: Cow::from(k3.to_string().into_bytes()),
+            //     },
+            //     Attribute {
+            //         key: QName(b"k4"),
+            //         value: Cow::from(k4.to_string().into_bytes()),
+            //     },
+            // ]);
+            r.append(&mut gen_attrs![
+                b"k1": k1,
+                b"k2": k2,
+                b"k3": k3,
+                b"k4": k4
+            ]);
+        }
+
+        r
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feComposite"
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/convolve_matrix.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/convolve_matrix.rs
@ -0,0 +1,20 @@
+#[derive(Debug)]
+pub struct ConvolveMatrix {
+    order: (u16, u16),
+    // must be checked to be `order.0 * order.1`
+    kernel_matrix: Vec<f32>,
+    divisor: f32,
+    bias: f32,
+    target_x: i32,
+    target_y: i32,
+    edge_mode: EdgeMode,
+    kernel_unit_length: (f32, f32),
+    preserve_alpha: bool,
+}
+
+#[derive(Debug)]
+enum EdgeMode {
+    None,
+    Duplicate,
+    Wrap,
+}
--- a/crates/svg-filters/src/types/nodes/primitives/diffuse_lighting.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/diffuse_lighting.rs
@ -0,0 +1,3 @@
+// TODO
+#[derive(Debug)]
+pub struct DiffuseLighting;
--- a/crates/svg-filters/src/types/nodes/primitives/displacement_map.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/displacement_map.rs
@ -0,0 +1,34 @@
+use super::WriteElement;
+
+/// [feDisplacementMap](https://www.w3.org/TR/SVG11/filters.html#feDisplacementMapElement)
+#[derive(Debug)]
+pub struct DisplacementMap {
+    pub scale: f32,
+    pub x_channel_selector: Channel,
+    pub y_channel_selector: Channel,
+}
+
+impl WriteElement for DisplacementMap {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        let mut r = Vec::new();
+        gen_attrs![
+            r;
+            self.scale != 0. => b"scale": self.scale,
+            self.x_channel_selector != Channel::A => b"xChannelSelector": format!("{:?}", self.x_channel_selector),
+            self.y_channel_selector != Channel::A => b"yChannelSelector": format!("{:?}", self.y_channel_selector)
+        ];
+        r
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feDisplacementMap"
+    }
+}
+
+#[derive(Debug, PartialEq, Eq)]
+pub enum Channel {
+    A,
+    R,
+    G,
+    B,
+}
--- a/crates/svg-filters/src/types/nodes/primitives/flood.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/flood.rs
@ -0,0 +1,23 @@
+use csscolorparser::Color;
+
+use super::WriteElement;
+
+/// [feFlood](https://www.w3.org/TR/SVG11/filters.html#feFloodElement)
+#[derive(Debug)]
+pub struct Flood {
+    pub flood_color: Color,
+    pub flood_opacity: f32,
+}
+
+impl WriteElement for Flood {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        gen_attrs![
+            b"flood-color": self.flood_color.to_hex_string(),
+            b"flood-opacity": self.flood_opacity
+        ]
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feFlood"
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/gaussian_blur.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/gaussian_blur.rs
@ -0,0 +1,35 @@
+use std::borrow::Cow;
+
+use quick_xml::{events::attributes::Attribute, name::QName};
+
+use super::WriteElement;
+
+/// [feGaussianBlur](https://www.w3.org/TR/SVG11/filters.html#feGaussianBlurElement)
+#[derive(Debug)]
+pub struct GaussianBlur {
+    std_deviation: (u16, u16),
+}
+
+impl GaussianBlur {
+    pub fn single(v: u16) -> Self {
+        Self {
+            std_deviation: (v, v),
+        }
+    }
+
+    pub fn with_xy(x: u16, y: u16) -> Self {
+        Self {
+            std_deviation: (x, y),
+        }
+    }
+}
+
+impl WriteElement for GaussianBlur {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        gen_attrs![b"stdDeviation": format!("{} {}", self.std_deviation.0, self.std_deviation.1)]
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feGaussianBlur"
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/image.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/image.rs
@ -0,0 +1,3 @@
+// TODO
+#[derive(Debug)]
+pub struct Image;
--- a/crates/svg-filters/src/types/nodes/primitives/merge.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/merge.rs
@ -0,0 +1,3 @@
+// TODO
+#[derive(Debug)]
+pub struct Merge;
--- a/crates/svg-filters/src/types/nodes/primitives/morphology.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/morphology.rs
@ -0,0 +1,37 @@
+use super::WriteElement;
+use std::fmt::Display;
+
+/// [feMorphology](https://www.w3.org/TR/SVG11/filters.html#feMorphologyElement)
+#[derive(Debug)]
+pub struct Morphology {
+    operator: Operator,
+    radius: (f32, f32),
+}
+
+impl WriteElement for Morphology {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        gen_attrs![
+            b"operator": self.operator,
+            b"radius": format!("{} {}", self.radius.0, self.radius.1)
+        ]
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feMorphology"
+    }
+}
+
+#[derive(Debug)]
+enum Operator {
+    Erode,
+    Dilate,
+}
+
+impl Display for Operator {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(match self {
+            Operator::Erode => "erode",
+            Operator::Dilate => "dilate",
+        })
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/offset.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/offset.rs
@ -0,0 +1,24 @@
+use super::WriteElement;
+
+/// [feOffset](https://www.w3.org/TR/SVG11/filters.html#feOffsetElement)
+#[derive(Debug)]
+pub struct Offset {
+    dx: f32,
+    dy: f32,
+}
+
+impl Offset {
+    pub fn new(dx: f32, dy: f32) -> Self {
+        Self { dx, dy }
+    }
+}
+
+impl WriteElement for Offset {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        gen_attrs![b"dx": self.dx, b"dy": self.dy]
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feOffset"
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/specular_lighting.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/specular_lighting.rs
@ -0,0 +1,3 @@
+// TODO
+#[derive(Debug)]
+pub struct SpecularLighting;
--- a/crates/svg-filters/src/types/nodes/primitives/tile.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/tile.rs
@ -0,0 +1,15 @@
+use super::WriteElement;
+
+/// [feTile](https://www.w3.org/TR/SVG11/filters.html#feTileElement)
+#[derive(Debug)]
+pub struct Tile;
+
+impl WriteElement for Tile {
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        Vec::new()
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feTile"
+    }
+}
--- a/crates/svg-filters/src/types/nodes/primitives/turbulence.rs
+++ b/crates/svg-filters/src/types/nodes/primitives/turbulence.rs
@ -0,0 +1,42 @@
+use super::WriteElement;
+
+/// [feTurbulence](https://www.w3.org/TR/SVG11/filters.html#feTurbulenceElement)
+#[derive(Debug)]
+pub struct Turbulence {
+    pub base_frequency: (f32, f32),
+    pub num_octaves: u16,
+    pub seed: u32,
+    pub stitch_tiles: StitchTiles,
+    // attr name: type
+    pub noise_type: NoiseType,
+}
+
+impl WriteElement for Turbulence {
+    #[allow(clippy::str_to_string, reason = "in macro invocation")]
+    fn attrs(&self) -> Vec<quick_xml::events::attributes::Attribute> {
+        let mut r = gen_attrs![b"baseFrequency":  format!("{} {}", self.base_frequency.0, self.base_frequency.1)];
+        gen_attrs![
+            r;
+            self.num_octaves != 1 => b"numOctaves": self.num_octaves,
+            self.seed != 0 => b"seed": self.seed,
+            self.stitch_tiles != StitchTiles::NoStitch => b"stitchTiles": "stitch",
+            self.noise_type != NoiseType::Turbulence => b"type": "fractalNoise"
+        ];
+        r
+    }
+
+    fn tag_name(&self) -> &'static str {
+        "feTurbulence"
+    }
+}
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub enum StitchTiles {
+    Stitch,
+    NoStitch,
+}
+#[derive(Debug, PartialEq, Eq, Clone, Copy)]
+pub enum NoiseType {
+    Turbulence,
+    FractalNoise,
+}
--- a/crates/svg-filters/src/types/nodes/standard_input.rs
+++ b/crates/svg-filters/src/types/nodes/standard_input.rs
@ -0,0 +1,11 @@
+/// [svg filter effect standard input](https://www.w3.org/TR/SVG11/filters.html#FilterPrimitiveInAttribute)
+/// technically not a node, but for implementation simplicity... yeah
+#[derive(Debug, Clone, Copy)]
+pub enum StandardInput {
+    SourceGraphic,
+    SourceAlpha,
+    BackgroundImage,
+    BackgroundAlpha,
+    FillPaint,
+    StrokePaint,
+}
--- a/flake.lock
+++ b/flake.lock
@ -1,18 +1,43 @@
 {
  "nodes": {
-    "devenv": {
+    "cachix": {
      "inputs": {
-        "flake-compat": "flake-compat",
-        "nix": "nix",
-        "nixpkgs": "nixpkgs",
+        "devenv": "devenv_2",
+        "flake-compat": "flake-compat_2",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
        "pre-commit-hooks": "pre-commit-hooks"
      },
      "locked": {
-        "lastModified": 1704835383,
-        "narHash": "sha256-SoC0rYR9iHW0dVOEmxNEfa8vk9dTK86P5iXTgHafmwM=",
+        "lastModified": 1712055811,
+        "narHash": "sha256-7FcfMm5A/f02yyzuavJe06zLa9hcMHsagE28ADcmQvk=",
+        "owner": "cachix",
+        "repo": "cachix",
+        "rev": "02e38da89851ec7fec3356a5c04bc8349cae0e30",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "cachix",
+        "type": "github"
+      }
+    },
+    "devenv": {
+      "inputs": {
+        "cachix": "cachix",
+        "flake-compat": "flake-compat_4",
+        "nix": "nix_2",
+        "nixpkgs": "nixpkgs_2",
+        "pre-commit-hooks": "pre-commit-hooks_2"
+      },
+      "locked": {
+        "lastModified": 1712925466,
+        "narHash": "sha256-MJ6VxGNu/ftbn8SErJjBz80FUNXkZfcObHg/JP7wwAc=",
        "owner": "cachix",
        "repo": "devenv",
-        "rev": "18ef9849d1ecac7a9a7920eb4f2e4adcf67a8c3a",
+        "rev": "1af93652caf48bfeef6ba7d1cf59fc66e506e5c2",
        "type": "github"
      },
      "original": {
@ -21,17 +46,48 @@
        "type": "github"
      }
    },
+    "devenv_2": {
+      "inputs": {
+        "flake-compat": [
+          "devenv",
+          "cachix",
+          "flake-compat"
+        ],
+        "nix": "nix",
+        "nixpkgs": "nixpkgs",
+        "poetry2nix": "poetry2nix",
+        "pre-commit-hooks": [
+          "devenv",
+          "cachix",
+          "pre-commit-hooks"
+        ]
+      },
+      "locked": {
+        "lastModified": 1708704632,
+        "narHash": "sha256-w+dOIW60FKMaHI1q5714CSibk99JfYxm0CzTinYWr+Q=",
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "2ee4450b0f4b95a1b90f2eb5ffea98b90e48c196",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "python-rewrite",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
    "fenix": {
      "inputs": {
-        "nixpkgs": "nixpkgs_2",
+        "nixpkgs": "nixpkgs_3",
        "rust-analyzer-src": "rust-analyzer-src"
      },
      "locked": {
-        "lastModified": 1704867811,
-        "narHash": "sha256-pG4O1vPpNSMjz7p/5x+/OH4tXC0thzAPbJ55kI/W5dU=",
+        "lastModified": 1712903033,
+        "narHash": "sha256-KcvsEm0h1mIwBHFAzWFBjGihnbf2fxpAaXOdVbUfAI4=",
        "owner": "nix-community",
        "repo": "fenix",
-        "rev": "93e89638c15512db65e931f26ce36edf8cfbb4a5",
+        "rev": "c739f83545e625227f4d0af7fe2a71e69931fa4c",
        "type": "github"
      },
      "original": {
@ -56,16 +112,116 @@
        "type": "github"
      }
    },
+    "flake-compat_2": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_3": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_4": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_5": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
    "flake-utils": {
      "inputs": {
        "systems": "systems"
      },
      "locked": {
-        "lastModified": 1685518550,
-        "narHash": "sha256-o2d0KcvaXzTrPRIo0kOLV0/QXHhDQ5DTi+OxcjO8xqY=",
+        "lastModified": 1689068808,
+        "narHash": "sha256-6ixXo3wt24N/melDWjq70UuHQLxGV8jZvooRanIHXw0=",
        "owner": "numtide",
        "repo": "flake-utils",
-        "rev": "a1720a10a6cfe8234c0e93907ffe81be440f4cef",
+        "rev": "919d646de7be200f3bf08cb76ae1f09402b6f9b4",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1701680307,
+        "narHash": "sha256-kAuep2h5ajznlPMD9rnQyffWG8EM/C73lejGofXvdM8=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "4022d587cbbfd70fe950c1e2083a02621806a725",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_3": {
+      "inputs": {
+        "systems": "systems_3"
+      },
+      "locked": {
+        "lastModified": 1710146030,
+        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
        "type": "github"
      },
      "original": {
@ -78,16 +234,17 @@
      "inputs": {
        "nixpkgs": [
          "devenv",
+          "cachix",
          "pre-commit-hooks",
          "nixpkgs"
        ]
      },
      "locked": {
-        "lastModified": 1660459072,
-        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "lastModified": 1703887061,
+        "narHash": "sha256-gGPa9qWNc6eCXT/+Z5/zMkyYOuRZqeFZBDbopNZQkuY=",
        "owner": "hercules-ci",
        "repo": "gitignore.nix",
-        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "rev": "43e1aa1308018f37118e34d3a9cb4f5e75dc11d5",
        "type": "github"
      },
      "original": {
@ -96,53 +253,109 @@
        "type": "github"
      }
    },
-    "lowdown-src": {
-      "flake": false,
+    "gitignore_2": {
+      "inputs": {
+        "nixpkgs": [
+          "devenv",
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
      "locked": {
-        "lastModified": 1633514407,
-        "narHash": "sha256-Dw32tiMjdK9t3ETl5fzGrutQTzh2rufgZV4A/BbxuD4=",
-        "owner": "kristapsdz",
-        "repo": "lowdown",
-        "rev": "d2c2b44ff6c27b936ec27358a2653caaef8f73b8",
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
        "type": "github"
      },
      "original": {
-        "owner": "kristapsdz",
-        "repo": "lowdown",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
        "type": "github"
      }
    },
    "nix": {
      "inputs": {
-        "lowdown-src": "lowdown-src",
+        "flake-compat": "flake-compat",
        "nixpkgs": [
+          "devenv",
+          "cachix",
          "devenv",
          "nixpkgs"
        ],
        "nixpkgs-regression": "nixpkgs-regression"
      },
      "locked": {
-        "lastModified": 1676545802,
-        "narHash": "sha256-EK4rZ+Hd5hsvXnzSzk2ikhStJnD63odF7SzsQ8CuSPU=",
+        "lastModified": 1708577783,
+        "narHash": "sha256-92xq7eXlxIT5zFNccLpjiP7sdQqQI30Gyui2p/PfKZM=",
        "owner": "domenkozar",
        "repo": "nix",
-        "rev": "7c91803598ffbcfe4a55c44ac6d49b2cf07a527f",
+        "rev": "ecd0af0c1f56de32cbad14daa1d82a132bf298f8",
        "type": "github"
      },
      "original": {
        "owner": "domenkozar",
-        "ref": "relaxed-flakes",
+        "ref": "devenv-2.21",
+        "repo": "nix",
+        "type": "github"
+      }
+    },
+    "nix-github-actions": {
+      "inputs": {
+        "nixpkgs": [
+          "devenv",
+          "cachix",
+          "devenv",
+          "poetry2nix",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1688870561,
+        "narHash": "sha256-4UYkifnPEw1nAzqqPOTL2MvWtm3sNGw1UTYTalkTcGY=",
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "rev": "165b1650b753316aa7f1787f3005a8d2da0f5301",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "nix-github-actions",
+        "type": "github"
+      }
+    },
+    "nix_2": {
+      "inputs": {
+        "flake-compat": "flake-compat_5",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-regression": "nixpkgs-regression_2"
+      },
+      "locked": {
+        "lastModified": 1712911606,
+        "narHash": "sha256-BGvBhepCufsjcUkXnEEXhEVjwdJAwPglCC2+bInc794=",
+        "owner": "domenkozar",
+        "repo": "nix",
+        "rev": "b24a9318ea3f3600c1e24b4a00691ee912d4de12",
+        "type": "github"
+      },
+      "original": {
+        "owner": "domenkozar",
+        "ref": "devenv-2.21",
        "repo": "nix",
        "type": "github"
      }
    },
    "nixpkgs": {
      "locked": {
-        "lastModified": 1678875422,
-        "narHash": "sha256-T3o6NcQPwXjxJMn2shz86Chch4ljXgZn746c2caGxd8=",
+        "lastModified": 1692808169,
+        "narHash": "sha256-x9Opq06rIiwdwGeK2Ykj69dNc2IvUH1fY55Wm7atwrE=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "126f49a01de5b7e35a43fd43f891ecf6d3a51459",
+        "rev": "9201b5ff357e781bf014d0330d18555695df7ba8",
        "type": "github"
      },
      "original": {
@ -168,45 +381,93 @@
        "type": "github"
      }
    },
-    "nixpkgs-stable": {
+    "nixpkgs-regression_2": {
      "locked": {
-        "lastModified": 1685801374,
-        "narHash": "sha256-otaSUoFEMM+LjBI1XL/xGB5ao6IwnZOXc47qhIgJe8U=",
+        "lastModified": 1643052045,
+        "narHash": "sha256-uGJ0VXIhWKGXxkeNnq4TvV3CIOkUJ3PAoLZ3HMzNVMw=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "c37ca420157f4abc31e26f436c1145f8951ff373",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
        "type": "github"
      },
      "original": {
        "owner": "NixOS",
-        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "rev": "215d4d0fd80ca5163643b03a33fde804a29cc1e2",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1704874635,
+        "narHash": "sha256-YWuCrtsty5vVZvu+7BchAxmcYzTMfolSPP5io8+WYCg=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "3dc440faeee9e889fe2d1b4d25ad0f430d449356",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable_2": {
+      "locked": {
+        "lastModified": 1710695816,
+        "narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "614b4613980a522ba49f0d194531beddbb7220d3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
        "repo": "nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs_2": {
      "locked": {
-        "lastModified": 1704538339,
-        "narHash": "sha256-1734d3mQuux9ySvwf6axRWZRBhtcZA9Q8eftD6EZg6U=",
-        "owner": "nixos",
-        "repo": "nixpkgs",
-        "rev": "46ae0210ce163b3cba6c7da08840c1d63de9c701",
+        "lastModified": 1710796454,
+        "narHash": "sha256-lQlICw60RhH8sHTDD/tJiiJrlAfNn8FDI9c+7G2F0SE=",
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "06fb0f1c643aee3ae6838dda3b37ef0abc3c763b",
        "type": "github"
      },
      "original": {
-        "owner": "nixos",
-        "ref": "nixos-unstable",
-        "repo": "nixpkgs",
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
        "type": "github"
      }
    },
    "nixpkgs_3": {
      "locked": {
-        "lastModified": 1704722960,
-        "narHash": "sha256-mKGJ3sPsT6//s+Knglai5YflJUF2DGj7Ai6Ynopz0kI=",
+        "lastModified": 1712791164,
+        "narHash": "sha256-3sbWO1mbpWsLepZGbWaMovSO7ndZeFqDSdX0hZ9nVyw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "1042fd8b148a9105f3c0aca3a6177fd1d9360ba5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1712791164,
+        "narHash": "sha256-3sbWO1mbpWsLepZGbWaMovSO7ndZeFqDSdX0hZ9nVyw=",
        "owner": "NixOS",
        "repo": "nixpkgs",
-        "rev": "317484b1ead87b9c1b8ac5261a8d2dd748a0492d",
+        "rev": "1042fd8b148a9105f3c0aca3a6177fd1d9360ba5",
        "type": "github"
      },
      "original": {
@ -216,26 +477,77 @@
        "type": "github"
      }
    },
+    "poetry2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nix-github-actions": "nix-github-actions",
+        "nixpkgs": [
+          "devenv",
+          "cachix",
+          "devenv",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1692876271,
+        "narHash": "sha256-IXfZEkI0Mal5y1jr6IRWMqK8GW2/f28xJenZIPQqkY0=",
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "rev": "d5006be9c2c2417dafb2e2e5034d83fabd207ee3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "poetry2nix",
+        "type": "github"
+      }
+    },
    "pre-commit-hooks": {
      "inputs": {
-        "flake-compat": [
-          "devenv",
-          "flake-compat"
-        ],
-        "flake-utils": "flake-utils",
+        "flake-compat": "flake-compat_3",
+        "flake-utils": "flake-utils_2",
        "gitignore": "gitignore",
        "nixpkgs": [
          "devenv",
+          "cachix",
          "nixpkgs"
        ],
        "nixpkgs-stable": "nixpkgs-stable"
      },
      "locked": {
-        "lastModified": 1704725188,
-        "narHash": "sha256-qq8NbkhRZF1vVYQFt1s8Mbgo8knj+83+QlL5LBnYGpI=",
+        "lastModified": 1708018599,
+        "narHash": "sha256-M+Ng6+SePmA8g06CmUZWi1AjG2tFBX9WCXElBHEKnyM=",
        "owner": "cachix",
        "repo": "pre-commit-hooks.nix",
-        "rev": "ea96f0c05924341c551a797aaba8126334c505d2",
+        "rev": "5df5a70ad7575f6601d91f0efec95dd9bc619431",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks_2": {
+      "inputs": {
+        "flake-compat": [
+          "devenv",
+          "flake-compat"
+        ],
+        "flake-utils": "flake-utils_3",
+        "gitignore": "gitignore_2",
+        "nixpkgs": [
+          "devenv",
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable_2"
+      },
+      "locked": {
+        "lastModified": 1712897695,
+        "narHash": "sha256-nMirxrGteNAl9sWiOhoN5tIHyjBbVi5e2tgZUgZlK3Y=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "40e6053ecb65fcbf12863338a6dcefb3f55f1bf8",
        "type": "github"
      },
      "original": {
@ -248,18 +560,18 @@
      "inputs": {
        "devenv": "devenv",
        "fenix": "fenix",
-        "nixpkgs": "nixpkgs_3",
-        "systems": "systems_2"
+        "nixpkgs": "nixpkgs_4",
+        "systems": "systems_4"
      }
    },
    "rust-analyzer-src": {
      "flake": false,
      "locked": {
-        "lastModified": 1704833483,
-        "narHash": "sha256-Ox01mpYmjapNYaqOu4fMS/4Ma9NLd2rVNz6d4rJmcf4=",
+        "lastModified": 1712818880,
+        "narHash": "sha256-VDxsvgj/bNypHq48tQWtc3VRbWvzlFjzKf9ZZIVO10Y=",
        "owner": "rust-lang",
        "repo": "rust-analyzer",
-        "rev": "ae6e73772432cfe35bb0ff6de6fdcfa908642b67",
+        "rev": "657b33b0cb9bd49085202e91ad5b4676532c9140",
        "type": "github"
      },
      "original": {
@ -298,6 +610,36 @@
        "repo": "default",
        "type": "github"
      }
+    },
+    "systems_3": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_4": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
    }
  },
  "root": "root",
--- a/flake.nix
+++ b/flake.nix
@ -11,41 +11,55 @@
    extra-substituters = "https://devenv.cachix.org";
  };

-  outputs = { self, nixpkgs, devenv, systems, ... } @ inputs:
-    let
-      forEachSystem = nixpkgs.lib.genAttrs (import systems);
-    in
-    {
-      devShells = forEachSystem
-        (system:
-          let
-            pkgs = nixpkgs.legacyPackages.${system};
-          in
-          {
-            default = devenv.lib.mkShell {
-              inherit inputs pkgs;
-              modules = [
-                ({pkgs, config, ...}: {
-                  languages.rust = {
-                    enable = true;
-                    channel = "nightly";
-                  };
+  outputs = {
+    self,
+    nixpkgs,
+    devenv,
+    fenix,
+    systems,
+    ...
+  } @ inputs: let
+    forEachSystem = nixpkgs.lib.genAttrs (import systems);
+  in {
+    devShells =
+      forEachSystem
+      (system: let
+        pkgs = nixpkgs.legacyPackages.${system};
+        toolchain = with fenix.packages.${system};
+          combine [
+            complete.toolchain
+          ];
+      in {
+        default = devenv.lib.mkShell {
+          inherit inputs pkgs;
+          modules = [
+            ({
+              pkgs,
+              config,
+              ...
+            }: {
+              pre-commit.hooks = {
+                clippy.enable = false;
+                rustfmt.enable = true;
+              };

-                  pre-commit.hooks = {
-                    clippy.enable = true;
-                    rustfmt.enable = true;
-                  };
-
-                  packages = with pkgs; [
-                    just nushell
-                    ripgrep
-                    typst typst-lsp
-                    mold
-                    cargo-nextest cargo-watch
-                  ];
-                })
+              env = {
+                RUST_BACKTRACE = 1;
+              };
+              packages = with pkgs; [
+                just
+                nushell
+                ripgrep
+                typst
+                typst-lsp
+                mold
+                cargo-nextest
+                cargo-watch
+                toolchain
              ];
-            };
-          });
-    };
+            })
+          ];
+        };
+      });
+  };
 }
--- a/testfiles/config.json
+++ b/testfiles/config.json
@ -0,0 +1,4 @@
+{
+  "example_value": "42",
+  "no_startup_message": true
+}
--- a/testfiles/config.ron
+++ b/testfiles/config.ron
@ -0,0 +1,4 @@
+(
+	example_value: 42
+	no_startup_message: false,
+)
--- a/testfiles/testproj/hello.owo
+++ b/testfiles/testproj/hello.owo
@ -0,0 +1,3 @@
+mod meow;
+
+def broken
--- a/testfiles/testproj/hello/meow.owo
+++ b/testfiles/testproj/hello/meow.owo
@ -0,0 +1,4 @@
+mod mrawr {}
+mod mrow {
+	def gay = ;
+}
--- a/testfiles/testproj/test.owo
+++ b/testfiles/testproj/test.owo
@ -0,0 +1,8 @@
+mod hello;
+mod world {
+	mod meow {}
+	mod uwu {
+		mod test {}
+		mod meow {}
+	}
+}
--- a/testfiles/testproj/uwu.owo
+++ b/testfiles/testproj/uwu.owo
@ -0,0 +1 @@
+mod meow {}
Author	SHA1	Message	Date
Schrottkatze	dc44244e7b	lang: work on some basics	2024-07-08 20:23:29 +02:00
Schrottkatze	1e0741e600	lang: add credit to macro	2024-07-08 20:20:45 +02:00
Schrottkatze	3eee768ce1	lang: work on various things - work on new world - add file db - source_file parsing - locs - fix some test stuff	2024-07-06 21:57:42 +02:00
Schrottkatze	eb7806572b	lang: remove this attempt	2024-06-23 20:53:05 +02:00
Schrottkatze	1c6180aabc	lang: current state for archival purposes	2024-06-23 20:32:10 +02:00
Schrottkatze	37651a83bc	lang: current state idk try to parallelize	2024-06-10 09:47:48 +02:00
Schrottkatze	3e2c5946c8	lang: add registry/namespace	2024-06-06 12:59:30 +02:00
Schrottkatze	1a533eb788	lang: smol module tree things and details	2024-06-06 09:53:28 +02:00
Schrottkatze	7bc603f7e7	lang: module resolvin	2024-06-05 21:10:52 +02:00
Schrottkatze	d6bc644fb6	lang: basic ast work	2024-06-05 18:00:14 +02:00
Schrottkatze	cfefab9fd0	lang: fix some details in the parser	2024-06-05 09:57:08 +02:00
Schrottkatze	0de076ace1	lang: finish module/top level syntax	2024-06-03 12:05:38 +02:00
Schrottkatze	946ac879a7	lang: basic module syntax grammar	2024-06-03 11:22:36 +02:00
Schrottkatze	f6da90a354	lang: improve and simplify error handling and storage fixes wrong error ordering with errors using `forward_parents`.	2024-06-03 10:53:59 +02:00
Schrottkatze	ed151c2e3c	lang: handle and recover some errors in lists	2024-05-04 23:12:47 +02:00
Schrottkatze	4bcaf945d7	lang: add highlighting to errors	2024-05-04 22:35:18 +02:00
Schrottkatze	29cdcfbe0c	lang: make output errors debuggable	2024-05-04 21:56:12 +02:00
Schrottkatze	afd493be16	lang: parse pipelines	2024-05-04 21:44:02 +02:00
Schrottkatze	30f17773a8	lang: add pipelines and rename parser to lst_parser	2024-04-30 12:21:06 +02:00
Schrottkatze	db2643359c	lang: basic attrset parser	2024-04-30 10:18:59 +02:00
Schrottkatze	9af71ed3f4	lang: implement vec, list and matrix	2024-04-30 09:45:36 +02:00
Schrottkatze	8a541546d9	app: fix error_reporting not being used	2024-04-28 13:22:04 +02:00
Schrottkatze	4df0118aa4	lang: first test and stuff	2024-04-24 21:09:55 +02:00
Schrottkatze	ba0da33509	split up files a bit	2024-04-24 20:00:17 +02:00
Schrottkatze	9510d9254c	lang: fix matrix recovery	2024-04-24 19:55:25 +02:00
Schrottkatze	e62b50a51a	lang: make `Marker`s debuggable	2024-04-24 19:55:16 +02:00
Schrottkatze	2bea3994c2	lang: matrix parser!	2024-04-24 19:37:52 +02:00
Schrottkatze	86b1481943	lang: remove empty recursive parser module	2024-04-24 11:15:07 +02:00
Schrottkatze	06c9094227	lang: fix main	2024-04-24 11:09:48 +02:00
Schrottkatze	381ab45edc	lang: rewrite parser	2024-04-24 11:07:38 +02:00
Schrottkatze	6d8b79e8f7	lang: apparently add event debug printer	2024-04-15 16:22:33 +02:00
Schrottkatze	be637846b1	lang: kinda fun parsing things that can now parse attribute sets with one attribute	2024-04-12 21:31:55 +02:00
Schrottkatze	1711d17fa6	lang: parsing to events now	2024-04-12 20:55:55 +02:00
Schrottkatze	f7b61f9e0e	lang: start working on parser that parses to events	2024-04-12 15:43:34 +02:00
Schrottkatze	2d59a7f560	lang: start implementing parser combinators (i have no idea what i'm doing) also, the current test.owo crashes for some reason. this is a headache. manual/imperative parsers are a nightmare.	2024-04-12 01:02:07 +02:00
Schrottkatze	9da157ff4a	lang: massive amounts of parser and ast pain	2024-04-11 03:23:03 +02:00
Schrottkatze	881a987b2f	flake.lock: Update Flake lock file updates: • Updated input 'devenv': 'github:cachix/devenv/18ef9849d1ecac7a9a7920eb4f2e4adcf67a8c3a' (2024-01-09) → 'github:cachix/devenv/a71323c618664a6b7a39bc183b0ce22ac8511cf9' (2024-04-08) • Added input 'devenv/cachix': 'github:cachix/cachix/661bbb7f8b55722a0406456b15267b5426a3bda6' (2024-03-15) • Added input 'devenv/cachix/devenv': 'github:cachix/devenv/2ee4450b0f4b95a1b90f2eb5ffea98b90e48c196' (2024-02-23) • Added input 'devenv/cachix/devenv/flake-compat': follows 'devenv/cachix/flake-compat' • Added input 'devenv/cachix/devenv/nix': 'github:domenkozar/nix/ecd0af0c1f56de32cbad14daa1d82a132bf298f8' (2024-02-22) • Added input 'devenv/cachix/devenv/nix/flake-compat': 'github:edolstra/flake-compat/35bb57c0c8d8b62bbfd284272c928ceb64ddbde9' (2023-01-17) • Added input 'devenv/cachix/devenv/nix/nixpkgs': follows 'devenv/cachix/devenv/nixpkgs' • Added input 'devenv/cachix/devenv/nix/nixpkgs-regression': 'github:NixOS/nixpkgs/215d4d0fd80ca5163643b03a33fde804a29cc1e2' (2022-01-24) • Added input 'devenv/cachix/devenv/nixpkgs': 'github:NixOS/nixpkgs/9201b5ff357e781bf014d0330d18555695df7ba8' (2023-08-23) • Added input 'devenv/cachix/devenv/poetry2nix': 'github:nix-community/poetry2nix/d5006be9c2c2417dafb2e2e5034d83fabd207ee3' (2023-08-24) • Added input 'devenv/cachix/devenv/poetry2nix/flake-utils': 'github:numtide/flake-utils/919d646de7be200f3bf08cb76ae1f09402b6f9b4' (2023-07-11) • Added input 'devenv/cachix/devenv/poetry2nix/flake-utils/systems': 'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e' (2023-04-09) • Added input 'devenv/cachix/devenv/poetry2nix/nix-github-actions': 'github:nix-community/nix-github-actions/165b1650b753316aa7f1787f3005a8d2da0f5301' (2023-07-09) • Added input 'devenv/cachix/devenv/poetry2nix/nix-github-actions/nixpkgs': follows 'devenv/cachix/devenv/poetry2nix/nixpkgs' • Added input 'devenv/cachix/devenv/poetry2nix/nixpkgs': follows 'devenv/cachix/devenv/nixpkgs' • Added input 'devenv/cachix/devenv/pre-commit-hooks': follows 'devenv/cachix/pre-commit-hooks' • Added input 'devenv/cachix/flake-compat': 'github:edolstra/flake-compat/0f9255e01c2351cc7d116c072cb317785dd33b33' (2023-10-04) • Added input 'devenv/cachix/nixpkgs': follows 'devenv/nixpkgs' • Added input 'devenv/cachix/pre-commit-hooks': 'github:cachix/pre-commit-hooks.nix/5df5a70ad7575f6601d91f0efec95dd9bc619431' (2024-02-15) • Added input 'devenv/cachix/pre-commit-hooks/flake-compat': 'github:edolstra/flake-compat/0f9255e01c2351cc7d116c072cb317785dd33b33' (2023-10-04) • Added input 'devenv/cachix/pre-commit-hooks/flake-utils': 'github:numtide/flake-utils/4022d587cbbfd70fe950c1e2083a02621806a725' (2023-12-04) • Added input 'devenv/cachix/pre-commit-hooks/flake-utils/systems': 'github:nix-systems/default/da67096a3b9bf56a91d16901293e51ba5b49a27e' (2023-04-09) • Added input 'devenv/cachix/pre-commit-hooks/gitignore': 'github:hercules-ci/gitignore.nix/43e1aa1308018f37118e34d3a9cb4f5e75dc11d5' (2023-12-29) • Added input 'devenv/cachix/pre-commit-hooks/gitignore/nixpkgs': follows 'devenv/cachix/pre-commit-hooks/nixpkgs' • Added input 'devenv/cachix/pre-commit-hooks/nixpkgs': follows 'devenv/cachix/nixpkgs' • Added input 'devenv/cachix/pre-commit-hooks/nixpkgs-stable': 'github:NixOS/nixpkgs/3dc440faeee9e889fe2d1b4d25ad0f430d449356' (2024-01-10) • Updated input 'devenv/flake-compat': 'github:edolstra/flake-compat/35bb57c0c8d8b62bbfd284272c928ceb64ddbde9' (2023-01-17) → 'github:edolstra/flake-compat/0f9255e01c2351cc7d116c072cb317785dd33b33' (2023-10-04) • Updated input 'devenv/nix': 'github:domenkozar/nix/7c91803598ffbcfe4a55c44ac6d49b2cf07a527f' (2023-02-16) → 'github:domenkozar/nix/c5bbf14ecbd692eeabf4184cc8d50f79c2446549' (2024-03-15) • Added input 'devenv/nix/flake-compat': 'github:edolstra/flake-compat/35bb57c0c8d8b62bbfd284272c928ceb64ddbde9' (2023-01-17) • Removed input 'devenv/nix/lowdown-src' • Updated input 'devenv/nixpkgs': 'github:NixOS/nixpkgs/126f49a01de5b7e35a43fd43f891ecf6d3a51459' (2023-03-15) → 'github:cachix/devenv-nixpkgs/829e73affeadfb4198a7105cbe3a03153d13edc9' (2024-03-12) • Updated input 'devenv/pre-commit-hooks': 'github:cachix/pre-commit-hooks.nix/ea96f0c05924341c551a797aaba8126334c505d2' (2024-01-08) → 'github:cachix/pre-commit-hooks.nix/e35aed5fda3cc79f88ed7f1795021e559582093a' (2024-04-02) • Updated input 'devenv/pre-commit-hooks/flake-utils': 'github:numtide/flake-utils/a1720a10a6cfe8234c0e93907ffe81be440f4cef' (2023-05-31) → 'github:numtide/flake-utils/b1d9ab70662946ef0850d488da1c9019f3a9752a' (2024-03-11) • Updated input 'devenv/pre-commit-hooks/gitignore': 'github:hercules-ci/gitignore.nix/a20de23b925fd8264fd7fad6454652e142fd7f73' (2022-08-14) → 'github:hercules-ci/gitignore.nix/637db329424fd7e46cf4185293b9cc8c88c95394' (2024-02-28) • Updated input 'devenv/pre-commit-hooks/nixpkgs-stable': 'github:NixOS/nixpkgs/c37ca420157f4abc31e26f436c1145f8951ff373' (2023-06-03) → 'github:NixOS/nixpkgs/614b4613980a522ba49f0d194531beddbb7220d3' (2024-03-17) • Updated input 'fenix': 'github:nix-community/fenix/93e89638c15512db65e931f26ce36edf8cfbb4a5' (2024-01-10) → 'github:nix-community/fenix/99c6241db5ca5363c05c8f4acbdf3a4e8fc42844' (2024-04-06) • Updated input 'fenix/nixpkgs': 'github:nixos/nixpkgs/46ae0210ce163b3cba6c7da08840c1d63de9c701' (2024-01-06) → 'github:nixos/nixpkgs/fd281bd6b7d3e32ddfa399853946f782553163b5' (2024-04-03) • Updated input 'fenix/rust-analyzer-src': 'github:rust-lang/rust-analyzer/ae6e73772432cfe35bb0ff6de6fdcfa908642b67' (2024-01-09) → 'github:rust-lang/rust-analyzer/8e581ac348e223488622f4d3003cb2bd412bf27e' (2024-04-03) • Updated input 'nixpkgs': 'github:NixOS/nixpkgs/317484b1ead87b9c1b8ac5261a8d2dd748a0492d' (2024-01-08) → 'github:NixOS/nixpkgs/ff0dbd94265ac470dda06a657d5fe49de93b4599' (2024-04-06)	2024-04-08 23:27:56 +02:00
Schrottkatze	bfd4b3765f	lang: state with confusing error	2024-04-08 15:43:42 +02:00
Schrottkatze	198c74c7ae	lang: make attrset delims braces	2024-04-08 14:04:52 +02:00
Schrottkatze	8d7401531e	lang: some small, unfinished stuff	2024-04-07 01:04:02 +02:00
Schrottkatze	b6e304fa78	lang: rework ast structure	2024-04-07 00:55:12 +02:00
Schrottkatze	ace69b0094	svg-filters: format matrices in complex test	2024-04-03 20:08:33 +02:00
Schrottkatze	84448af714	lang: funky basic error reporting stuff	2024-04-03 17:00:20 +02:00
Schrottkatze	ae60db7721	lang: extract tests into file	2024-04-03 00:30:11 +02:00
Schrottkatze	de008263ca	lang: add test	2024-04-03 00:28:45 +02:00
Schrottkatze	ca84af4e1b	lang: basic parser	2024-04-03 00:08:00 +02:00
Schrottkatze	ae86ae29ab	svg-filters: more testssss	2024-03-24 17:07:35 +01:00
Schrottkatze	02c5e9e159	svg-filters: figured out flood not working in local test env	2024-03-24 16:11:07 +01:00
Schrottkatze	0197df5ee2	svg-filters: add turbulence and displacement map	2024-03-24 15:49:41 +01:00
Schrottkatze	919a3bb377	svg-filters: seperate out abstractions and add flood abstraction	2024-03-22 16:47:21 +01:00
Schrottkatze	9ae8c2fbd3	svg-filters: add nice abstractions for component transfer	2024-03-22 16:24:04 +01:00
Schrottkatze	9727ef82ca	svg-filters: implement feComponentTransfer rendering	2024-03-22 16:05:36 +01:00
Schrottkatze	c31a158d9b	svg-filters: rework macro slightly	2024-03-20 19:11:42 +01:00
Schrottkatze	aeeee54200	svg-filters: new conditional attrs macro	2024-03-19 18:43:30 +01:00
Schrottkatze	dc7d76dc26	svg-filters: create `gen_attr` and `gen_attrs` convenience macros	2024-03-19 15:47:09 +01:00
Schrottkatze	e17fffb66b	svg-filters: blend node	2024-03-19 15:15:36 +01:00
Schrottkatze	f59062cf88	svg-filters: cleanup	2024-03-17 00:51:20 +01:00
Schrottkatze	384fef5a81	svg-filters(primitives): start with feComponentTransfer	2024-03-17 00:50:51 +01:00
Schrottkatze	77bcb54b5e	svg-filters(tests): start	2024-03-17 00:50:16 +01:00
Schrottkatze	d87033d320	svg-filters(codegen): add pretty and ugly printing	2024-03-17 00:49:53 +01:00
Schrottkatze	bf60bdd814	svg-filters: simplify and refactor a bit	2024-03-16 23:57:09 +01:00
Schrottkatze	5368951254	svg-filters: rework codegen	2024-03-16 20:52:45 +01:00
Schrottkatze	a42ec014e5	svg-filters: get svg generation working!!!!	2024-03-16 00:35:23 +01:00
Schrottkatze	01b1880089	svg-filters: get bare basic xml generation going	2024-03-15 22:45:28 +01:00
Schrottkatze	56848a1b05	svg-filters: add basic graph and stuffs	2024-03-15 19:52:40 +01:00
Schrottkatze	69f0baf425	svg-filters: init	2024-03-15 16:44:47 +01:00
Schrottkatze	98850ee1e9	lang: lexer	2024-03-08 12:34:09 +01:00