34 lines
1.0 KiB
Rust
34 lines
1.0 KiB
Rust
use crate::prelude::*;
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use comemo::Track;
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use typst::model;
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use typst::syntax::Source;
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/// The name of a value's type.
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pub fn type_(_: &Vm, args: &mut Args) -> SourceResult<Value> {
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Ok(args.expect::<Value>("value")?.type_name().into())
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}
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/// The string representation of a value.
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pub fn repr(_: &Vm, args: &mut Args) -> SourceResult<Value> {
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Ok(args.expect::<Value>("value")?.repr().into())
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}
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/// Ensure that a condition is fulfilled.
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pub fn assert(_: &Vm, args: &mut Args) -> SourceResult<Value> {
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let Spanned { v, span } = args.expect::<Spanned<bool>>("condition")?;
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if !v {
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bail!(span, "assertion failed");
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}
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Ok(Value::None)
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}
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/// Evaluate a string as Typst markup.
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pub fn eval(vm: &Vm, args: &mut Args) -> SourceResult<Value> {
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let Spanned { v: text, span } = args.expect::<Spanned<String>>("source")?;
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let source = Source::synthesized(text, span);
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let route = model::Route::default();
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let module = model::eval(vm.world(), route.track(), &source)?;
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Ok(Value::Content(module.content))
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}
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