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-rw-r--r--src/model/methods.rs276
1 files changed, 0 insertions, 276 deletions
diff --git a/src/model/methods.rs b/src/model/methods.rs
deleted file mode 100644
index dcb1ca31..00000000
--- a/src/model/methods.rs
+++ /dev/null
@@ -1,276 +0,0 @@
-//! Methods on values.
-
-use ecow::EcoString;
-
-use super::{Args, Str, Value, Vm};
-use crate::diag::{At, SourceResult};
-use crate::syntax::Span;
-
-/// Call a method on a value.
-pub fn call(
- vm: &mut Vm,
- value: Value,
- method: &str,
- mut args: Args,
- span: Span,
-) -> SourceResult<Value> {
- let name = value.type_name();
- let missing = || Err(missing_method(name, method)).at(span);
-
- let output = match value {
- Value::Color(color) => match method {
- "lighten" => Value::Color(color.lighten(args.expect("amount")?)),
- "darken" => Value::Color(color.darken(args.expect("amount")?)),
- "negate" => Value::Color(color.negate()),
- _ => return missing(),
- },
-
- Value::Str(string) => match method {
- "len" => Value::Int(string.len() as i64),
- "first" => Value::Str(string.first().at(span)?),
- "last" => Value::Str(string.last().at(span)?),
- "at" => Value::Str(string.at(args.expect("index")?).at(span)?),
- "slice" => {
- let start = args.expect("start")?;
- let mut end = args.eat()?;
- if end.is_none() {
- end = args.named("count")?.map(|c: i64| start + c);
- }
- Value::Str(string.slice(start, end).at(span)?)
- }
- "clusters" => Value::Array(string.clusters()),
- "codepoints" => Value::Array(string.codepoints()),
- "contains" => Value::Bool(string.contains(args.expect("pattern")?)),
- "starts-with" => Value::Bool(string.starts_with(args.expect("pattern")?)),
- "ends-with" => Value::Bool(string.ends_with(args.expect("pattern")?)),
- "find" => {
- string.find(args.expect("pattern")?).map_or(Value::None, Value::Str)
- }
- "position" => string
- .position(args.expect("pattern")?)
- .map_or(Value::None, Value::Int),
- "match" => string
- .match_(args.expect("pattern")?)
- .map_or(Value::None, Value::Dict),
- "matches" => Value::Array(string.matches(args.expect("pattern")?)),
- "replace" => {
- let pattern = args.expect("pattern")?;
- let with = args.expect("replacement string")?;
- let count = args.named("count")?;
- Value::Str(string.replace(pattern, with, count))
- }
- "trim" => {
- let pattern = args.eat()?;
- let at = args.named("at")?;
- let repeat = args.named("repeat")?.unwrap_or(true);
- Value::Str(string.trim(pattern, at, repeat))
- }
- "split" => Value::Array(string.split(args.eat()?)),
- _ => return missing(),
- },
-
- Value::Array(array) => match method {
- "len" => Value::Int(array.len()),
- "first" => array.first().at(span)?.clone(),
- "last" => array.last().at(span)?.clone(),
- "at" => array.at(args.expect("index")?).at(span)?.clone(),
- "slice" => {
- let start = args.expect("start")?;
- let mut end = args.eat()?;
- if end.is_none() {
- end = args.named("count")?.map(|c: i64| start + c);
- }
- Value::Array(array.slice(start, end).at(span)?)
- }
- "contains" => Value::Bool(array.contains(&args.expect("value")?)),
- "find" => array.find(vm, args.expect("function")?)?.unwrap_or(Value::None),
- "position" => array
- .position(vm, args.expect("function")?)?
- .map_or(Value::None, Value::Int),
- "filter" => Value::Array(array.filter(vm, args.expect("function")?)?),
- "map" => Value::Array(array.map(vm, args.expect("function")?)?),
- "fold" => {
- array.fold(vm, args.expect("initial value")?, args.expect("function")?)?
- }
- "any" => Value::Bool(array.any(vm, args.expect("function")?)?),
- "all" => Value::Bool(array.all(vm, args.expect("function")?)?),
- "flatten" => Value::Array(array.flatten()),
- "rev" => Value::Array(array.rev()),
- "join" => {
- let sep = args.eat()?;
- let last = args.named("last")?;
- array.join(sep, last).at(span)?
- }
- "sorted" => Value::Array(array.sorted().at(span)?),
- _ => return missing(),
- },
-
- Value::Dict(dict) => match method {
- "len" => Value::Int(dict.len()),
- "at" => dict.at(&args.expect::<Str>("key")?).cloned().at(span)?,
- "keys" => Value::Array(dict.keys()),
- "values" => Value::Array(dict.values()),
- "pairs" => Value::Array(dict.pairs()),
- _ => return missing(),
- },
-
- Value::Func(func) => match method {
- "with" => Value::Func(func.with(args.take())),
- "where" => Value::dynamic(func.where_(&mut args).at(span)?),
- _ => return missing(),
- },
-
- Value::Args(args) => match method {
- "pos" => Value::Array(args.to_pos()),
- "named" => Value::Dict(args.to_named()),
- _ => return missing(),
- },
-
- _ => return missing(),
- };
-
- args.finish()?;
- Ok(output)
-}
-
-/// Call a mutating method on a value.
-pub fn call_mut(
- value: &mut Value,
- method: &str,
- mut args: Args,
- span: Span,
-) -> SourceResult<Value> {
- let name = value.type_name();
- let missing = || Err(missing_method(name, method)).at(span);
- let mut output = Value::None;
-
- match value {
- Value::Array(array) => match method {
- "push" => array.push(args.expect("value")?),
- "pop" => output = array.pop().at(span)?,
- "insert" => {
- array.insert(args.expect("index")?, args.expect("value")?).at(span)?
- }
- "remove" => output = array.remove(args.expect("index")?).at(span)?,
- _ => return missing(),
- },
-
- Value::Dict(dict) => match method {
- "insert" => dict.insert(args.expect::<Str>("key")?, args.expect("value")?),
- "remove" => {
- output = dict.remove(&args.expect::<EcoString>("key")?).at(span)?
- }
- _ => return missing(),
- },
-
- _ => return missing(),
- }
-
- args.finish()?;
- Ok(output)
-}
-
-/// Call an accessor method on a value.
-pub fn call_access<'a>(
- value: &'a mut Value,
- method: &str,
- mut args: Args,
- span: Span,
-) -> SourceResult<&'a mut Value> {
- let name = value.type_name();
- let missing = || Err(missing_method(name, method)).at(span);
-
- let slot = match value {
- Value::Array(array) => match method {
- "first" => array.first_mut().at(span)?,
- "last" => array.last_mut().at(span)?,
- "at" => array.at_mut(args.expect("index")?).at(span)?,
- _ => return missing(),
- },
- Value::Dict(dict) => match method {
- "at" => dict.at_mut(&args.expect::<Str>("key")?).at(span)?,
- _ => return missing(),
- },
- _ => return missing(),
- };
-
- args.finish()?;
- Ok(slot)
-}
-
-/// Whether a specific method is mutating.
-pub fn is_mutating(method: &str) -> bool {
- matches!(method, "push" | "pop" | "insert" | "remove")
-}
-
-/// Whether a specific method is an accessor.
-pub fn is_accessor(method: &str) -> bool {
- matches!(method, "first" | "last" | "at")
-}
-
-/// The missing method error message.
-#[cold]
-fn missing_method(type_name: &str, method: &str) -> String {
- format!("type {type_name} has no method `{method}`")
-}
-
-/// List the available methods for a type and whether they take arguments.
-pub fn methods_on(type_name: &str) -> &[(&'static str, bool)] {
- match type_name {
- "color" => &[("lighten", true), ("darken", true), ("negate", false)],
- "string" => &[
- ("len", false),
- ("at", true),
- ("clusters", false),
- ("codepoints", false),
- ("contains", true),
- ("ends-with", true),
- ("find", true),
- ("first", false),
- ("last", false),
- ("match", true),
- ("matches", true),
- ("position", true),
- ("replace", true),
- ("slice", true),
- ("split", true),
- ("starts-with", true),
- ("trim", true),
- ],
- "array" => &[
- ("all", true),
- ("any", true),
- ("at", true),
- ("contains", true),
- ("filter", true),
- ("find", true),
- ("first", false),
- ("flatten", false),
- ("fold", true),
- ("insert", true),
- ("join", true),
- ("last", false),
- ("len", false),
- ("map", true),
- ("pop", false),
- ("position", true),
- ("push", true),
- ("remove", true),
- ("rev", false),
- ("slice", true),
- ("sorted", false),
- ],
- "dictionary" => &[
- ("at", true),
- ("insert", true),
- ("keys", false),
- ("len", false),
- ("pairs", false),
- ("remove", true),
- ("values", false),
- ],
- "function" => &[("where", true), ("with", true)],
- "arguments" => &[("named", false), ("pos", false)],
- _ => &[],
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2026-03-15 20:50:20 +0000