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https://github.com/typst/typst
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73615f7e3c
- Shapes text with rustybuzz - Font fallback with family list - Tofus are shown in the first font Co-Authored-By: Martin <mhaug@live.de>
73 lines
2.3 KiB
Rust
73 lines
2.3 KiB
Rust
//! The compiler for the _Typst_ typesetting language.
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//!
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//! # Steps
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//! - **Parsing:** The parsing step first transforms a plain string into an
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//! [iterator of tokens][tokens]. This token stream is [parsed] into a [syntax
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//! tree]. The structures describing the tree can be found in the [syntax]
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//! module.
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//! - **Evaluation:** The next step is to [evaluate] the syntax tree. This
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//! computes the value of each node in document and stores them in a map from
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//! node-pointers to values.
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//! - **Execution:** Now, we can [execute] the parsed and evaluated "script".
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//! This produces a [layout tree], a high-level, fully styled representation
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//! of the document. The nodes of this tree are self-contained and
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//! order-independent and thus much better suited for layouting than the
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//! syntax tree.
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//! - **Layouting:** Next, the tree is [layouted] into a portable version of the
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//! typeset document. The output of this is a collection of [`Frame`]s (one
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//! per page), ready for exporting.
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//! - **Exporting:** The finished layout can be exported into a supported
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//! format. Submodules for these formats are located in the [export] module.
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//! Currently, the only supported output format is [_PDF_].
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//!
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//! [tokens]: parse::Tokens
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//! [parsed]: parse::parse
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//! [syntax tree]: syntax::Tree
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//! [evaluate]: eval::eval
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//! [execute]: exec::exec
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//! [layout tree]: layout::Tree
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//! [layouted]: layout::layout
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//! [_PDF_]: export::pdf
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#[macro_use]
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pub mod diag;
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#[macro_use]
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pub mod eval;
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pub mod color;
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pub mod env;
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pub mod exec;
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pub mod export;
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pub mod font;
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pub mod geom;
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pub mod layout;
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pub mod library;
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pub mod paper;
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pub mod parse;
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pub mod pretty;
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pub mod syntax;
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use crate::diag::Pass;
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use crate::env::Env;
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use crate::eval::Scope;
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use crate::exec::State;
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use crate::layout::Frame;
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/// Process _Typst_ source code directly into a collection of frames.
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pub fn typeset(
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env: &mut Env,
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src: &str,
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scope: &Scope,
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state: State,
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) -> Pass<Vec<Frame>> {
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let parsed = parse::parse(src);
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let evaluated = eval::eval(env, &parsed.output, scope);
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let executed = exec::exec(env, &parsed.output, &evaluated.output, state);
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let frames = layout::layout(env, &executed.output);
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let mut diags = parsed.diags;
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diags.extend(evaluated.diags);
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diags.extend(executed.diags);
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Pass::new(frames, diags)
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}
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