difftreelog
perf faster format
in: master
6 files changed
crates/jrsonnet-evaluator/build.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/build.rs
+++ b/crates/jrsonnet-evaluator/build.rs
@@ -39,7 +39,7 @@
if **name == *"join" || **name == *"manifestJsonEx" ||
**name == *"escapeStringJson" || **name == *"equals" ||
**name == *"base64" || **name == *"foldl" || **name == *"foldr" ||
- **name == *"sortImpl" || **name == *"range"
+ **name == *"sortImpl" || **name == *"format" || **name == *"range"
)
})
.collect(),
crates/jrsonnet-evaluator/src/builtin/format.rsdiffbeforeafterboth--- /dev/null
+++ b/crates/jrsonnet-evaluator/src/builtin/format.rs
@@ -0,0 +1,714 @@
+//! faster std.format impl
+#![allow(clippy::too_many_arguments)]
+
+use crate::{
+ create_error, create_error_result, to_string, Error, LocError, ObjValue, Val, ValType,
+};
+
+#[derive(Debug)]
+pub enum FormatError {
+ TruncatedFormatCode,
+ UnrecognizedConversionType(char),
+ ValueError(LocError),
+
+ NotEnoughValues,
+
+ CannotUseStarWidthWithObject,
+ MappingKeysRequired,
+ NoSuchField(Rc<str>),
+}
+impl From<LocError> for FormatError {
+ fn from(e: LocError) -> Self {
+ Self::ValueError(e)
+ }
+}
+use std::rc::Rc;
+use FormatError::*;
+
+pub fn try_parse_mapping_key(str: &str) -> Result<(&str, &str), FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+ let bytes = str.as_bytes();
+ if bytes[0] == b'(' {
+ let mut i = 1;
+ while i < bytes.len() {
+ if bytes[i] == b')' {
+ return Ok((&str[1..i as usize], &str[i as usize + 1..]));
+ }
+ i += 1;
+ }
+ Err(TruncatedFormatCode)
+ } else {
+ Ok(("", str))
+ }
+}
+
+#[cfg(test)]
+pub mod tests_key {
+ use super::*;
+
+ #[test]
+ fn parse_key() {
+ assert_eq!(
+ try_parse_mapping_key("(hello ) world").unwrap(),
+ ("hello ", " world")
+ );
+ assert_eq!(try_parse_mapping_key("() world").unwrap(), ("", " world"));
+ assert_eq!(try_parse_mapping_key(" world").unwrap(), ("", " world"));
+ assert_eq!(
+ try_parse_mapping_key(" () world").unwrap(),
+ ("", " () world")
+ );
+ }
+
+ #[test]
+ #[should_panic]
+ fn parse_key_missing_start() {
+ try_parse_mapping_key("").unwrap();
+ }
+
+ #[test]
+ #[should_panic]
+ fn parse_key_missing_end() {
+ try_parse_mapping_key("( ").unwrap();
+ }
+}
+
+#[derive(Default, Debug)]
+pub struct CFlags {
+ pub alt: bool,
+ pub zero: bool,
+ pub left: bool,
+ pub blank: bool,
+ pub sign: bool,
+}
+
+pub fn try_parse_cflags(str: &str) -> Result<(CFlags, &str), FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+ let bytes = str.as_bytes();
+ let mut i = 0;
+ let mut out = CFlags::default();
+ loop {
+ if bytes.len() == i {
+ return Err(TruncatedFormatCode);
+ }
+ match bytes[i] {
+ b'#' => out.alt = true,
+ b'0' => out.zero = true,
+ b'-' => out.left = true,
+ b' ' => out.blank = true,
+ b'+' => out.sign = true,
+ _ => break,
+ }
+ i += 1;
+ }
+ Ok((out, &str[i..]))
+}
+
+#[derive(Debug, PartialEq)]
+pub enum Width {
+ Star,
+ Fixed(usize),
+}
+pub fn try_parse_field_width(str: &str) -> Result<(Width, &str), FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+ let bytes = str.as_bytes();
+ if bytes[0] == b'*' {
+ return Ok((Width::Star, &str[1..]));
+ }
+ let mut out: usize = 0;
+ let mut digits = 0;
+ while let Some(digit) = (bytes[digits] as char).to_digit(10) {
+ out *= 10;
+ out += digit as usize;
+ digits += 1;
+ if digits == bytes.len() {
+ return Err(TruncatedFormatCode);
+ }
+ }
+ Ok((Width::Fixed(out), &str[digits..]))
+}
+
+pub fn try_parse_precision(str: &str) -> Result<(Option<Width>, &str), FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+ let bytes = str.as_bytes();
+ if bytes[0] == b'.' {
+ try_parse_field_width(&str[1..]).map(|(r, s)| (Some(r), s))
+ } else {
+ Ok((None, str))
+ }
+}
+
+// Only skips
+pub fn try_parse_length_modifier(str: &str) -> Result<&str, FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+ let bytes = str.as_bytes();
+ let mut idx = 0;
+ while bytes[idx] == b'h' || bytes[idx] == b'l' || bytes[idx] == b'L' {
+ idx += 1;
+ if bytes.len() == idx {
+ return Err(TruncatedFormatCode);
+ }
+ }
+ Ok(&str[idx..])
+}
+
+#[derive(Debug)]
+pub enum ConvTypeV {
+ Decimal,
+ Octal,
+ Hexadecimal,
+ Scientific,
+ Float,
+ Shorter,
+ Char,
+ String,
+ Percent,
+}
+pub struct ConvType {
+ v: ConvTypeV,
+ caps: bool,
+}
+
+pub fn parse_conversion_type(str: &str) -> Result<(ConvType, &str), FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+
+ let code = str.as_bytes()[0];
+ let v: (ConvTypeV, bool) = match code {
+ b'd' | b'i' | b'u' => (ConvTypeV::Decimal, false),
+ b'o' => (ConvTypeV::Octal, false),
+ b'x' => (ConvTypeV::Hexadecimal, false),
+ b'X' => (ConvTypeV::Hexadecimal, true),
+ b'e' => (ConvTypeV::Scientific, false),
+ b'E' => (ConvTypeV::Scientific, true),
+ b'f' => (ConvTypeV::Float, false),
+ b'F' => (ConvTypeV::Float, true),
+ b'g' => (ConvTypeV::Shorter, false),
+ b'G' => (ConvTypeV::Shorter, true),
+ b'c' => (ConvTypeV::Char, false),
+ b's' => (ConvTypeV::String, false),
+ b'%' => (ConvTypeV::Percent, false),
+ c => return Err(UnrecognizedConversionType(c as char)),
+ };
+
+ Ok((ConvType { v: v.0, caps: v.1 }, &str[1..]))
+}
+
+#[derive(Debug)]
+pub struct Code<'s> {
+ mkey: &'s str,
+ cflags: CFlags,
+ width: Width,
+ precision: Option<Width>,
+ convtype: ConvTypeV,
+ caps: bool,
+}
+pub fn parse_code(str: &str) -> Result<(Code, &str), FormatError> {
+ if str.is_empty() {
+ return Err(TruncatedFormatCode);
+ }
+ let (mkey, str) = try_parse_mapping_key(str)?;
+ let (cflags, str) = try_parse_cflags(str)?;
+ let (width, str) = try_parse_field_width(str)?;
+ let (precision, str) = try_parse_precision(str)?;
+ let str = try_parse_length_modifier(str)?;
+ let (convtype, str) = parse_conversion_type(str)?;
+
+ Ok((
+ Code {
+ mkey,
+ cflags,
+ width,
+ precision,
+ convtype: convtype.v,
+ caps: convtype.caps,
+ },
+ str,
+ ))
+}
+
+#[derive(Debug)]
+pub enum Element<'s> {
+ String(&'s str),
+ Code(Code<'s>),
+}
+pub fn parse_codes(mut str: &str) -> Result<Vec<Element>, FormatError> {
+ let mut bytes = str.as_bytes();
+ let mut out = vec![];
+ let mut offset = 0;
+
+ loop {
+ while offset != bytes.len() && bytes[offset] != b'%' {
+ offset += 1;
+ }
+ if offset == bytes.len() {
+ return Ok(out);
+ }
+ out.push(Element::String(&str[0..offset]));
+ str = &str[offset + 1..];
+ let (code, nstr) = parse_code(str)?;
+ str = nstr;
+ bytes = str.as_bytes();
+ offset = 0;
+
+ out.push(Element::Code(code))
+ }
+}
+
+const NUMBERS: &[u8] = b"0123456789abcdefghijklmnopqrstuvwxyz";
+
+#[inline]
+pub fn render_integer(
+ out: &mut String,
+ iv: i64,
+ padding: usize,
+ precision: usize,
+ blank: bool,
+ sign: bool,
+ radix: i64,
+ prefix: &str,
+ caps: bool,
+) {
+ // Digit char indexes in reverse order, i.e
+ // for radix = 16 and n = 12f: [15, 2, 1]
+ let digits = if iv == 0 {
+ vec![0u8]
+ } else {
+ let mut v = iv.abs();
+ let mut nums = Vec::with_capacity(1);
+ while v > 0 {
+ nums.push((v % radix) as u8);
+ v /= radix;
+ }
+ nums
+ };
+ let neg = iv < 0;
+ let zp = padding.saturating_sub(if neg || blank || sign { 1 } else { 0 });
+ let zp2 = zp
+ .max(precision)
+ .saturating_sub(prefix.len() + digits.len());
+
+ if neg {
+ out.push('-')
+ } else if sign {
+ out.push('+');
+ } else if blank {
+ out.push(' ');
+ }
+
+ out.reserve(zp2);
+ for _ in 0..zp2 {
+ out.push('0');
+ }
+ out.push_str(&prefix);
+
+ for digit in digits.into_iter().rev() {
+ let ch = NUMBERS[digit as usize] as char;
+ out.push(if caps { ch.to_ascii_uppercase() } else { ch });
+ }
+}
+
+pub fn render_decimal(
+ out: &mut String,
+ iv: i64,
+ padding: usize,
+ precision: usize,
+ blank: bool,
+ sign: bool,
+) {
+ render_integer(out, iv, padding, precision, blank, sign, 10, "", false)
+}
+pub fn render_octal(
+ out: &mut String,
+ iv: i64,
+ padding: usize,
+ precision: usize,
+ alt: bool,
+ blank: bool,
+ sign: bool,
+) {
+ render_integer(
+ out,
+ iv,
+ padding,
+ precision,
+ blank,
+ sign,
+ 8,
+ if alt && iv != 0 { "0" } else { "" },
+ false,
+ )
+}
+pub fn render_hexadecimal(
+ out: &mut String,
+ iv: i64,
+ padding: usize,
+ precision: usize,
+ alt: bool,
+ blank: bool,
+ sign: bool,
+ caps: bool,
+) {
+ render_integer(
+ out,
+ iv,
+ padding,
+ precision,
+ blank,
+ sign,
+ 16,
+ match (alt, caps) {
+ (true, true) => "0X",
+ (true, false) => "0x",
+ (false, _) => "",
+ },
+ caps,
+ )
+}
+
+pub fn render_float(
+ out: &mut String,
+ n: f64,
+ mut padding: usize,
+ precision: usize,
+ blank: bool,
+ sign: bool,
+ ensure_pt: bool,
+ trailing: bool,
+) {
+ let dot_size = if precision == 0 && !ensure_pt { 0 } else { 1 };
+ padding = padding.saturating_sub(dot_size + precision);
+ render_decimal(out, n.floor() as i64, padding, 0, blank, sign);
+ if precision == 0 {
+ if ensure_pt {
+ out.push('.');
+ }
+ return;
+ }
+ let frac = (n.fract() * 10.0_f64.powf(precision as f64) + 0.5).floor();
+ if trailing || frac > 0.0 {
+ out.push('.');
+ let mut frac_str = String::new();
+ render_decimal(&mut frac_str, frac as i64, precision, 0, false, false);
+ let mut trim = frac_str.len();
+ if !trailing {
+ for b in frac_str.as_bytes().iter().rev() {
+ if *b == b'0' {
+ trim -= 1;
+ }
+ }
+ }
+ out.push_str(&frac_str[..trim]);
+ } else if ensure_pt {
+ out.push('.');
+ }
+}
+
+pub fn render_float_sci(
+ out: &mut String,
+ n: f64,
+ mut padding: usize,
+ precision: usize,
+ blank: bool,
+ sign: bool,
+ ensure_pt: bool,
+ trailing: bool,
+ caps: bool,
+) {
+ let exponent = n.log10().floor();
+ let mantissa = if exponent as i16 == -324 {
+ n * 10.0 / 10.0_f64.powf(exponent + 1.0)
+ } else {
+ n / 10.0_f64.powf(exponent)
+ };
+ let mut exponent_str = String::new();
+ render_decimal(&mut exponent_str, exponent as i64, 3, 0, false, true);
+
+ // +1 for e
+ padding = padding.saturating_sub(exponent_str.len() + 1);
+
+ render_float(
+ out, mantissa, padding, precision, blank, sign, ensure_pt, trailing,
+ );
+ out.push(if caps { 'E' } else { 'e' });
+ out.push_str(&exponent_str);
+}
+
+pub fn format_code(
+ out: &mut String,
+ value: &Val,
+ code: &Code,
+ width: usize,
+ precision: Option<usize>,
+) -> Result<(), FormatError> {
+ let clfags = &code.cflags;
+ let (fpprec, iprec) = match precision {
+ Some(v) => (v, v),
+ None => (6, 0),
+ };
+ let padding = if clfags.zero && !clfags.left {
+ width
+ } else {
+ 0
+ };
+
+ // TODO: If left padded, can optimize by writing directly to out
+ let mut tmp_out = String::new();
+
+ match code.convtype {
+ ConvTypeV::String => tmp_out.push_str(&to_string(value)?),
+ ConvTypeV::Decimal => {
+ let value = value.clone().try_cast_num("%d/%u/%i requires number")?;
+ render_decimal(
+ &mut tmp_out,
+ value as i64,
+ padding,
+ iprec,
+ clfags.blank,
+ clfags.sign,
+ );
+ }
+ ConvTypeV::Octal => {
+ let value = value.clone().try_cast_num("%o requires number")?;
+ render_octal(
+ &mut tmp_out,
+ value as i64,
+ padding,
+ iprec,
+ clfags.alt,
+ clfags.blank,
+ clfags.sign,
+ );
+ }
+ ConvTypeV::Hexadecimal => {
+ let value = value.clone().try_cast_num("%x/%X requires number")?;
+ render_hexadecimal(
+ &mut tmp_out,
+ value as i64,
+ padding,
+ iprec,
+ clfags.alt,
+ clfags.blank,
+ clfags.sign,
+ code.caps,
+ );
+ }
+ ConvTypeV::Scientific => {
+ let value = value.clone().try_cast_num("%e/%E requires number")?;
+ render_float_sci(
+ &mut tmp_out,
+ value,
+ padding,
+ fpprec,
+ clfags.blank,
+ clfags.sign,
+ clfags.alt,
+ true,
+ code.caps,
+ );
+ }
+ ConvTypeV::Float => {
+ let value = value.clone().try_cast_num("%e/%E requires number")?;
+ render_float(
+ &mut tmp_out,
+ value,
+ padding,
+ fpprec,
+ clfags.blank,
+ clfags.sign,
+ clfags.alt,
+ true,
+ );
+ }
+ ConvTypeV::Shorter => {
+ let value = value.clone().try_cast_num("%g/%G requires number")?;
+ let exponent = value.log10().floor();
+ if exponent < -4.0 || exponent >= fpprec as f64 {
+ render_float_sci(
+ &mut tmp_out,
+ value,
+ padding,
+ fpprec - 1,
+ clfags.blank,
+ clfags.sign,
+ clfags.alt,
+ clfags.alt,
+ code.caps,
+ );
+ } else {
+ let digits_before_pt = 1.max(exponent as usize + 1);
+ render_float(
+ &mut tmp_out,
+ value,
+ padding,
+ fpprec - digits_before_pt,
+ clfags.blank,
+ clfags.sign,
+ clfags.alt,
+ clfags.alt,
+ );
+ }
+ }
+ ConvTypeV::Char => match value.clone().unwrap_if_lazy()? {
+ Val::Num(n) => tmp_out.push(
+ std::char::from_u32(n as u32)
+ .ok_or_else(|| create_error(Error::InvalidUnicodeCodepointGot(n as u32)))?,
+ ),
+ Val::Str(s) => {
+ if s.chars().count() != 1 {
+ create_error_result(Error::RuntimeError(
+ format!("%c expected 1 char string, got {}", s.chars().count()).into(),
+ ))?;
+ }
+ tmp_out.push_str(&s);
+ }
+ _ => {
+ create_error_result(Error::TypeMismatch(
+ "%c requires number/string",
+ vec![ValType::Num, ValType::Str],
+ value.value_type()?,
+ ))?;
+ }
+ },
+ ConvTypeV::Percent => tmp_out.push('%'),
+ };
+
+ let padding = width.saturating_sub(tmp_out.len());
+
+ if !clfags.left {
+ for _ in 0..padding {
+ out.push(' ');
+ }
+ }
+ out.push_str(&tmp_out);
+ if clfags.left {
+ for _ in 0..padding {
+ out.push(' ');
+ }
+ }
+
+ Ok(())
+}
+
+pub fn format_arr(str: &str, mut values: &[Val]) -> Result<String, FormatError> {
+ let codes = parse_codes(&str)?;
+ let mut out = String::new();
+
+ for code in codes {
+ match code {
+ Element::String(s) => {
+ out.push_str(s);
+ }
+ Element::Code(c) => {
+ let width = match c.width {
+ Width::Star => {
+ if values.is_empty() {
+ return Err(FormatError::NotEnoughValues);
+ }
+ let value = &values[0];
+ values = &values[1..];
+ value.clone().try_cast_num("field width")? as usize
+ }
+ Width::Fixed(n) => n,
+ };
+ let precision = match c.precision {
+ Some(Width::Star) => {
+ if values.is_empty() {
+ return Err(FormatError::NotEnoughValues);
+ }
+ let value = &values[0];
+ values = &values[1..];
+ Some(value.clone().try_cast_num("field precision")? as usize)
+ }
+ Some(Width::Fixed(n)) => Some(n),
+ None => None,
+ };
+ if values.is_empty() {
+ return Err(FormatError::NotEnoughValues);
+ }
+ let value = &values[0];
+ values = &values[1..];
+
+ format_code(&mut out, value, &c, width, precision)?;
+ }
+ }
+ }
+
+ Ok(out)
+}
+
+pub fn format_obj(str: &str, values: &ObjValue) -> Result<String, FormatError> {
+ let codes = parse_codes(&str)?;
+ let mut out = String::new();
+
+ for code in codes {
+ match code {
+ Element::String(s) => {
+ out.push_str(s);
+ }
+ Element::Code(c) => {
+ // TODO: Operate on ref
+ let f: Rc<str> = c.mkey.into();
+ if f.is_empty() {
+ return Err(FormatError::MappingKeysRequired);
+ }
+ let width = match c.width {
+ Width::Star => {
+ return Err(FormatError::CannotUseStarWidthWithObject);
+ }
+ Width::Fixed(n) => n,
+ };
+ let precision = match c.precision {
+ Some(Width::Star) => {
+ return Err(FormatError::CannotUseStarWidthWithObject);
+ }
+ Some(Width::Fixed(n)) => Some(n),
+ None => None,
+ };
+ let value = if let Some(v) = values.get(f.clone())? {
+ v
+ } else {
+ return Err(FormatError::NoSuchField(f));
+ };
+
+ format_code(&mut out, &value, &c, width, precision)?;
+ }
+ }
+ }
+
+ Ok(out)
+}
+
+#[cfg(test)]
+pub mod test_format {
+ use super::*;
+
+ #[test]
+ fn parse() {
+ println!("{:?}", parse_codes("Hello %s world!!! %s %(aaa)s ww"));
+ }
+
+ #[test]
+ fn octals() {
+ assert_eq!(format_arr("%#o", &[Val::Num(8.0)]).unwrap(), "010");
+ assert_eq!(format_arr("%#4o", &[Val::Num(8.0)]).unwrap(), " 010");
+ assert_eq!(format_arr("%4o", &[Val::Num(8.0)]).unwrap(), " 10");
+ assert_eq!(format_arr("%04o", &[Val::Num(8.0)]).unwrap(), "0010");
+ assert_eq!(format_arr("%+4o", &[Val::Num(8.0)]).unwrap(), " +10");
+ assert_eq!(format_arr("%+04o", &[Val::Num(8.0)]).unwrap(), "+010");
+ assert_eq!(format_arr("%-4o", &[Val::Num(8.0)]).unwrap(), "10 ");
+ assert_eq!(format_arr("%+-4o", &[Val::Num(8.0)]).unwrap(), "+10 ");
+ assert_eq!(format_arr("%+-04o", &[Val::Num(8.0)]).unwrap(), "+10 ");
+ }
+}
crates/jrsonnet-evaluator/src/builtin/mod.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/builtin/mod.rs
+++ b/crates/jrsonnet-evaluator/src/builtin/mod.rs
@@ -1,2 +1,4 @@
pub mod stdlib;
pub use stdlib::*;
+
+pub mod format;
crates/jrsonnet-evaluator/src/error.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/error.rs
+++ b/crates/jrsonnet-evaluator/src/error.rs
@@ -60,6 +60,7 @@
StringManifestOutputIsNotAString,
ImportCallbackError(String),
+ InvalidUnicodeCodepointGot(u32),
}
#[derive(Clone, Debug)]
crates/jrsonnet-evaluator/src/evaluate.rsdiffbeforeafterboth1use crate::{2 context_creator, create_error, create_error_result, equals, escape_string_json, future_wrapper,3 lazy_val, manifest_json_ex, parse_args, primitive_equals, push, with_state, Context,4 ContextCreator, Error, FuncDesc, LazyBinding, LazyVal, ObjMember, ObjValue, Result, Val,5 ValType,6};7use closure::closure;8use jrsonnet_parser::{9 ArgsDesc, AssertStmt, BinaryOpType, BindSpec, CompSpec, Expr, ExprLocation, FieldMember,10 ForSpecData, IfSpecData, LiteralType, LocExpr, Member, ObjBody, ParamsDesc, UnaryOpType,11 Visibility,12};13use std::{cmp::Ordering, collections::HashMap, rc::Rc};1415pub fn evaluate_binding(b: &BindSpec, context_creator: ContextCreator) -> (Rc<str>, LazyBinding) {16 let b = b.clone();17 if let Some(params) = &b.params {18 let params = params.clone();19 (20 b.name.clone(),21 LazyBinding::Bindable(Rc::new(move |this, super_obj| {22 Ok(lazy_val!(23 closure!(clone b, clone params, clone context_creator, || Ok(evaluate_method(24 context_creator.0(this.clone(), super_obj.clone())?,25 b.name.clone(),26 params.clone(),27 b.value.clone(),28 )))29 ))30 })),31 )32 } else {33 (34 b.name.clone(),35 LazyBinding::Bindable(Rc::new(move |this, super_obj| {36 Ok(lazy_val!(closure!(clone context_creator, clone b, ||37 evaluate_named(38 context_creator.0(this.clone(), super_obj.clone())?,39 &b.value,40 b.name.clone()41 )42 )))43 })),44 )45 }46}4748pub fn evaluate_method(ctx: Context, name: Rc<str>, params: ParamsDesc, body: LocExpr) -> Val {49 Val::Func(Rc::new(FuncDesc {50 name,51 ctx,52 params,53 body,54 }))55}5657pub fn evaluate_field_name(58 context: Context,59 field_name: &jrsonnet_parser::FieldName,60) -> Result<Option<Rc<str>>> {61 Ok(match field_name {62 jrsonnet_parser::FieldName::Fixed(n) => Some(n.clone()),63 jrsonnet_parser::FieldName::Dyn(expr) => {64 let lazy = evaluate(context, expr)?;65 let value = lazy.unwrap_if_lazy()?;66 if matches!(value, Val::Null) {67 None68 } else {69 Some(value.try_cast_str("dynamic field name")?)70 }71 }72 })73}7475pub fn evaluate_unary_op(op: UnaryOpType, b: &Val) -> Result<Val> {76 Ok(match (op, b) {77 (o, Val::Lazy(l)) => evaluate_unary_op(o, &l.evaluate()?)?,78 (UnaryOpType::Not, Val::Bool(v)) => Val::Bool(!v),79 (UnaryOpType::Minus, Val::Num(n)) => Val::Num(-*n),80 (UnaryOpType::BitNot, Val::Num(n)) => Val::Num(!(*n as i32) as f64),81 (op, o) => create_error_result(Error::UnaryOperatorDoesNotOperateOnType(82 op,83 o.value_type()?,84 ))?,85 })86}8788pub(crate) fn evaluate_add_op(a: &Val, b: &Val) -> Result<Val> {89 Ok(match (a, b) {90 (Val::Str(v1), Val::Str(v2)) => Val::Str(((**v1).to_owned() + &v2).into()),9192 // Can't use generic json serialization way, because it depends on number to string concatenation (std.jsonnet:890)93 (Val::Num(n), Val::Str(o)) => Val::Str(format!("{}{}", n, o).into()),94 (Val::Str(o), Val::Num(n)) => Val::Str(format!("{}{}", o, n).into()),9596 (Val::Str(s), o) => Val::Str(format!("{}{}", s, o.clone().into_json(0)?).into()),97 (o, Val::Str(s)) => Val::Str(format!("{}{}", o.clone().into_json(0)?, s).into()),9899 (Val::Obj(v1), Val::Obj(v2)) => Val::Obj(v2.with_super(v1.clone())),100 (Val::Arr(a), Val::Arr(b)) => Val::Arr(Rc::new([&a[..], &b[..]].concat())),101 (Val::Num(v1), Val::Num(v2)) => Val::new_checked_num(v1 + v2)?,102 _ => create_error_result(Error::BinaryOperatorDoesNotOperateOnValues(103 BinaryOpType::Add,104 a.value_type()?,105 b.value_type()?,106 ))?,107 })108}109110pub fn evaluate_binary_op_special(111 context: Context,112 a: &LocExpr,113 op: BinaryOpType,114 b: &LocExpr,115) -> Result<Val> {116 Ok(117 match (evaluate(context.clone(), &a)?.unwrap_if_lazy()?, op, b) {118 (Val::Bool(true), BinaryOpType::Or, _o) => Val::Bool(true),119 (Val::Bool(false), BinaryOpType::And, _o) => Val::Bool(false),120 (a, op, eb) => {121 evaluate_binary_op_normal(&a, op, &evaluate(context, eb)?.unwrap_if_lazy()?)?122 }123 },124 )125}126127pub fn evaluate_binary_op_normal(a: &Val, op: BinaryOpType, b: &Val) -> Result<Val> {128 Ok(match (a, op, b) {129 (a, BinaryOpType::Add, b) => evaluate_add_op(a, b)?,130131 (Val::Str(v1), BinaryOpType::Mul, Val::Num(v2)) => Val::Str(v1.repeat(*v2 as usize).into()),132133 // Bool X Bool134 (Val::Bool(a), BinaryOpType::And, Val::Bool(b)) => Val::Bool(*a && *b),135 (Val::Bool(a), BinaryOpType::Or, Val::Bool(b)) => Val::Bool(*a || *b),136137 // Str X Str138 (Val::Str(v1), BinaryOpType::Lt, Val::Str(v2)) => Val::Bool(v1 < v2),139 (Val::Str(v1), BinaryOpType::Gt, Val::Str(v2)) => Val::Bool(v1 > v2),140 (Val::Str(v1), BinaryOpType::Lte, Val::Str(v2)) => Val::Bool(v1 <= v2),141 (Val::Str(v1), BinaryOpType::Gte, Val::Str(v2)) => Val::Bool(v1 >= v2),142143 // Num X Num144 (Val::Num(v1), BinaryOpType::Mul, Val::Num(v2)) => Val::new_checked_num(v1 * v2)?,145 (Val::Num(v1), BinaryOpType::Div, Val::Num(v2)) => {146 if *v2 <= f64::EPSILON {147 create_error_result(crate::Error::DivisionByZero)?148 }149 Val::new_checked_num(v1 / v2)?150 }151152 (Val::Num(v1), BinaryOpType::Sub, Val::Num(v2)) => Val::new_checked_num(v1 - v2)?,153154 (Val::Num(v1), BinaryOpType::Lt, Val::Num(v2)) => Val::Bool(v1 < v2),155 (Val::Num(v1), BinaryOpType::Gt, Val::Num(v2)) => Val::Bool(v1 > v2),156 (Val::Num(v1), BinaryOpType::Lte, Val::Num(v2)) => Val::Bool(v1 <= v2),157 (Val::Num(v1), BinaryOpType::Gte, Val::Num(v2)) => Val::Bool(v1 >= v2),158159 (Val::Num(v1), BinaryOpType::BitAnd, Val::Num(v2)) => {160 Val::Num(((*v1 as i32) & (*v2 as i32)) as f64)161 }162 (Val::Num(v1), BinaryOpType::BitOr, Val::Num(v2)) => {163 Val::Num(((*v1 as i32) | (*v2 as i32)) as f64)164 }165 (Val::Num(v1), BinaryOpType::BitXor, Val::Num(v2)) => {166 Val::Num(((*v1 as i32) ^ (*v2 as i32)) as f64)167 }168 (Val::Num(v1), BinaryOpType::Lhs, Val::Num(v2)) => {169 if *v2 < 0.0 {170 create_error_result(Error::RuntimeError("shift by negative exponent".into()))?171 }172 Val::Num(((*v1 as i32) << (*v2 as i32)) as f64)173 }174 (Val::Num(v1), BinaryOpType::Rhs, Val::Num(v2)) => {175 if *v2 < 0.0 {176 create_error_result(Error::RuntimeError("shift by negative exponent".into()))?177 }178 Val::Num(((*v1 as i32) >> (*v2 as i32)) as f64)179 }180181 _ => create_error_result(Error::BinaryOperatorDoesNotOperateOnValues(182 op,183 a.value_type()?,184 b.value_type()?,185 ))?,186 })187}188189future_wrapper!(HashMap<Rc<str>, LazyBinding>, FutureNewBindings);190future_wrapper!(ObjValue, FutureObjValue);191192pub fn evaluate_comp<T>(193 context: Context,194 value: &impl Fn(Context) -> Result<T>,195 specs: &[CompSpec],196) -> Result<Option<Vec<T>>> {197 Ok(match specs.get(0) {198 None => Some(vec![value(context)?]),199 Some(CompSpec::IfSpec(IfSpecData(cond))) => {200 if evaluate(context.clone(), &cond)?.try_cast_bool("if spec")? {201 evaluate_comp(context, value, &specs[1..])?202 } else {203 None204 }205 }206 Some(CompSpec::ForSpec(ForSpecData(var, expr))) => {207 match evaluate(context.clone(), &expr)?.unwrap_if_lazy()? {208 Val::Arr(list) => {209 let mut out = Vec::new();210 for item in list.iter() {211 let item = item.unwrap_if_lazy()?;212 out.push(evaluate_comp(213 context.with_var(var.clone(), item.clone())?,214 value,215 &specs[1..],216 )?);217 }218 Some(out.into_iter().flatten().flatten().collect())219 }220 _ => create_error_result(Error::InComprehensionCanOnlyIterateOverArray)?,221 }222 }223 })224}225226pub fn evaluate_member_list_object(context: Context, members: &[Member]) -> Result<ObjValue> {227 let new_bindings = FutureNewBindings::new();228 let future_this = FutureObjValue::new();229 let context_creator = context_creator!(230 closure!(clone context, clone new_bindings, |this: Option<ObjValue>, super_obj: Option<ObjValue>| {231 Ok(context.extend_unbound(232 new_bindings.clone().unwrap(),233 context.dollar().clone().or_else(||this.clone()),234 Some(this.unwrap()),235 super_obj236 )?)237 })238 );239 {240 let mut bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();241 for (n, b) in members242 .iter()243 .filter_map(|m| match m {244 Member::BindStmt(b) => Some(b.clone()),245 _ => None,246 })247 .map(|b| evaluate_binding(&b, context_creator.clone()))248 {249 bindings.insert(n, b);250 }251 new_bindings.fill(bindings);252 }253254 let mut new_members = HashMap::new();255 for member in members.iter() {256 match member {257 Member::Field(FieldMember {258 name,259 plus,260 params: None,261 visibility,262 value,263 }) => {264 let name = evaluate_field_name(context.clone(), &name)?;265 if name.is_none() {266 continue;267 }268 let name = name.unwrap();269 new_members.insert(270 name.clone(),271 ObjMember {272 add: *plus,273 visibility: *visibility,274 invoke: LazyBinding::Bindable(Rc::new(275 closure!(clone name, clone value, clone context_creator, |this, super_obj| {276 Ok(LazyVal::new_resolved(evaluate(277 context_creator.0(this, super_obj)?,278 &value,279 )?))280 }),281 )),282 location: value.1.clone(),283 },284 );285 }286 Member::Field(FieldMember {287 name,288 params: Some(params),289 value,290 ..291 }) => {292 let name = evaluate_field_name(context.clone(), &name)?;293 if name.is_none() {294 continue;295 }296 let name = name.unwrap();297 new_members.insert(298 name.clone(),299 ObjMember {300 add: false,301 visibility: Visibility::Hidden,302 invoke: LazyBinding::Bindable(Rc::new(303 closure!(clone value, clone context_creator, clone params, clone name, |this, super_obj| {304 // TODO: Assert305 Ok(LazyVal::new_resolved(evaluate_method(306 context_creator.0(this, super_obj)?,307 name.clone(),308 params.clone(),309 value.clone(),310 )))311 }),312 )),313 location: value.1.clone(),314 },315 );316 }317 Member::BindStmt(_) => {}318 Member::AssertStmt(_) => {}319 }320 }321 Ok(future_this.fill(ObjValue::new(None, Rc::new(new_members))))322}323324pub fn evaluate_object(context: Context, object: &ObjBody) -> Result<ObjValue> {325 Ok(match object {326 ObjBody::MemberList(members) => evaluate_member_list_object(context, &members)?,327 ObjBody::ObjComp(obj) => {328 let future_this = FutureObjValue::new();329 let mut new_members = HashMap::new();330 for (k, v) in evaluate_comp(331 context.clone(),332 &|ctx| {333 let new_bindings = FutureNewBindings::new();334 let context_creator = context_creator!(335 closure!(clone context, clone new_bindings, |this: Option<ObjValue>, super_obj: Option<ObjValue>| {336 Ok(context.extend_unbound(337 new_bindings.clone().unwrap(),338 context.dollar().clone().or_else(||this.clone()),339 None,340 super_obj341 )?)342 })343 );344 let mut bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();345 for (n, b) in obj346 .pre_locals347 .iter()348 .chain(obj.post_locals.iter())349 .map(|b| evaluate_binding(b, context_creator.clone()))350 {351 bindings.insert(n, b);352 }353 let bindings = new_bindings.fill(bindings);354 let ctx = ctx.extend_unbound(bindings, None, None, None)?;355 let key = evaluate(ctx.clone(), &obj.key)?;356 let value = LazyBinding::Bindable(Rc::new(357 closure!(clone ctx, clone obj.value, |this, _super_obj| {358 Ok(LazyVal::new_resolved(evaluate(ctx.extend(HashMap::new(), None, this, None)?, &value)?))359 }),360 ));361362 Ok((key, value))363 },364 &obj.compspecs,365 )?366 .unwrap()367 {368 match k {369 Val::Null => {}370 Val::Str(n) => {371 new_members.insert(372 n,373 ObjMember {374 add: false,375 visibility: Visibility::Normal,376 invoke: v,377 location: obj.value.1.clone(),378 },379 );380 }381 v => create_error_result(Error::FieldMustBeStringGot(v.value_type()?))?,382 }383 }384385 future_this.fill(ObjValue::new(None, Rc::new(new_members)))386 }387 })388}389390/// Extracts code block and disables inlining for them391/// Fixes WASM to java bytecode compilation failing because of very large method392macro_rules! noinline {393 ($e:expr) => {394 (#[inline(never)]395 move || $e)()396 };397}398399pub fn evaluate_apply(400 context: Context,401 value: &LocExpr,402 args: &ArgsDesc,403 loc: &Option<ExprLocation>,404 tailstrict: bool,405) -> Result<Val> {406 let lazy = evaluate(context.clone(), value)?;407 let value = lazy.unwrap_if_lazy()?;408 Ok(match value {409 Val::Intristic(ns, name) => match (&ns as &str, &name as &str) {410 // arr/string/function411 ("std", "length") => noinline!(parse_args!(context, "std.length", args, 1, [412 0, x: [Val::Str|Val::Arr|Val::Obj], vec![ValType::Str, ValType::Arr, ValType::Obj];413 ], {414 Ok(match x {415 Val::Str(n) => Val::Num(n.chars().count() as f64),416 Val::Arr(i) => Val::Num(i.len() as f64),417 Val::Obj(o) => Val::Num(418 o.fields_visibility()419 .into_iter()420 .filter(|(_k, v)| *v)421 .count() as f64,422 ),423 _ => unreachable!(),424 })425 }))?,426 // any427 ("std", "type") => parse_args!(context, "std.type", args, 1, [428 0, x, vec![];429 ], {430 Val::Str(x.value_type()?.name().into())431 }),432 // length, idx=>any433 ("std", "makeArray") => noinline!(parse_args!(context, "std.makeArray", args, 2, [434 0, sz: [Val::Num]!!Val::Num, vec![ValType::Num];435 1, func: [Val::Func]!!Val::Func, vec![ValType::Func];436 ], {437 if sz < 0.0 {438 create_error_result(crate::error::Error::RuntimeError(format!("makeArray requires size >= 0, got {}", sz).into()))?;439 }440 let mut out = Vec::with_capacity(sz as usize);441 for i in 0..sz as usize {442 out.push(func.evaluate_values(443 Context::new(),444 &[Val::Num(i as f64)]445 )?)446 }447 Ok(Val::Arr(Rc::new(out)))448 }))?,449 // string450 ("std", "codepoint") => parse_args!(context, "std.codepoint", args, 1, [451 0, str: [Val::Str]!!Val::Str, vec![ValType::Str];452 ], {453 assert!(454 str.chars().count() == 1,455 "std.codepoint should receive single char string"456 );457 Val::Num(str.chars().take(1).next().unwrap() as u32 as f64)458 }),459 // object, includeHidden460 ("std", "objectFieldsEx") => {461 noinline!(parse_args!(context, "std.objectFieldsEx",args, 2, [462 0, obj: [Val::Obj]!!Val::Obj, vec![ValType::Obj];463 1, inc_hidden: [Val::Bool]!!Val::Bool, vec![ValType::Bool];464 ], {465 let mut out = obj.fields_visibility()466 .into_iter()467 .filter(|(_k, v)| *v || inc_hidden)468 .map(|(k, _v)|k)469 .collect::<Vec<_>>();470 out.sort();471 Ok(Val::Arr(Rc::new(out.into_iter().map(Val::Str).collect())))472 }))?473 }474 // object, field, includeHidden475 ("std", "objectHasEx") => parse_args!(context, "std.objectHasEx", args, 3, [476 0, obj: [Val::Obj]!!Val::Obj, vec![ValType::Obj];477 1, f: [Val::Str]!!Val::Str, vec![ValType::Str];478 2, inc_hidden: [Val::Bool]!!Val::Bool, vec![ValType::Bool];479 ], {480 Val::Bool(481 obj.fields_visibility()482 .into_iter()483 .filter(|(_k, v)| *v || inc_hidden)484 .any(|(k, _v)| *k == *f),485 )486 }),487 ("std", "primitiveEquals") => parse_args!(context, "std.primitiveEquals", args, 2, [488 0, a, vec![];489 1, b, vec![];490 ], {491 Val::Bool(primitive_equals(&a, &b)?)492 }),493 // faster494 ("std", "equals") => parse_args!(context, "std.equals", args, 2, [495 0, a, vec![];496 1, b, vec![];497 ], {498 Val::Bool(equals(&a, &b)?)499 }),500 ("std", "modulo") => parse_args!(context, "std.modulo", args, 2, [501 0, a: [Val::Num]!!Val::Num, vec![ValType::Num];502 1, b: [Val::Num]!!Val::Num, vec![ValType::Num];503 ], {504 Val::Num(a % b)505 }),506 ("std", "floor") => parse_args!(context, "std.floor", args, 1, [507 0, x: [Val::Num]!!Val::Num, vec![ValType::Num];508 ], {509 Val::Num(x.floor())510 }),511 ("std", "log") => parse_args!(context, "std.log", args, 2, [512 0, n: [Val::Num]!!Val::Num, vec![ValType::Num];513 ], {514 Val::Num(n.ln())515 }),516 ("std", "trace") => parse_args!(context, "std.trace", args, 2, [517 0, str: [Val::Str]!!Val::Str, vec![ValType::Str];518 1, rest, vec![];519 ], {520 eprint!("TRACE:");521 if let Some(loc) = loc {522 with_state(|s|{523 let locs = s.map_source_locations(&loc.0, &[loc.1]);524 eprint!(" {}:{}", loc.0.file_name().unwrap().to_str().unwrap(), locs[0].line);525 });526 }527 eprintln!(" {}", str);528 rest529 }),530 ("std", "pow") => parse_args!(context, "std.modulo", args, 2, [531 0, x: [Val::Num]!!Val::Num, vec![ValType::Num];532 1, n: [Val::Num]!!Val::Num, vec![ValType::Num];533 ], {534 Val::Num(x.powf(n))535 }),536 ("std", "extVar") => parse_args!(context, "std.extVar", args, 2, [537 0, x: [Val::Str]!!Val::Str, vec![ValType::Str];538 ], {539 with_state(|s| s.settings().ext_vars.get(&x).cloned()).ok_or_else(540 || create_error(crate::Error::UndefinedExternalVariable(x)),541 )?542 }),543 ("std", "filter") => noinline!(parse_args!(context, "std.filter", args, 2, [544 0, func: [Val::Func]!!Val::Func, vec![ValType::Func];545 1, arr: [Val::Arr]!!Val::Arr, vec![ValType::Arr];546 ], {547 Ok(Val::Arr(Rc::new(548 arr.iter()549 .cloned()550 .filter(|e| {551 func552 .evaluate_values(context.clone(), &[e.clone()])553 .unwrap()554 .try_cast_bool("filter predicate")555 .unwrap()556 })557 .collect(),558 )))559 }))?,560 // faster561 ("std", "foldl") => noinline!(parse_args!(context, "std.foldl", args, 3, [562 0, func: [Val::Func]!!Val::Func, vec![ValType::Func];563 1, arr: [Val::Arr]!!Val::Arr, vec![ValType::Arr];564 2, init, vec![];565 ], {566 let mut acc = init;567 for i in arr.iter().cloned() {568 acc = func.evaluate_values(context.clone(), &[acc, i])?;569 }570 Ok(acc)571 }))?,572 // faster573 ("std", "foldr") => noinline!(parse_args!(context, "std.foldr", args, 3, [574 0, func: [Val::Func]!!Val::Func, vec![ValType::Func];575 1, arr: [Val::Arr]!!Val::Arr, vec![ValType::Arr];576 2, init, vec![];577 ], {578 let mut acc = init;579 for i in arr.iter().rev().cloned() {580 acc = func.evaluate_values(context.clone(), &[acc, i])?;581 }582 Ok(acc)583 }))?,584 // faster585 ("std", "sortImpl") => noinline!(parse_args!(context, "std.sort", args, 2, [586 0, arr: [Val::Arr]!!Val::Arr, vec![ValType::Arr];587 1, keyF: [Val::Func]!!Val::Func, vec![ValType::Func];588 ], {589 if arr.len() <= 1 {590 return Ok(Val::Arr(arr))591 }592 let mut new_arr = arr.iter().cloned().collect::<Vec<_>>();593 match keyF.evaluate_values(context.clone(), &[new_arr[0].clone()])? {594 Val::Str(_) => {595 let mut err = None;596 new_arr.sort_by_cached_key(|k| {597 match keyF.evaluate_values(context.clone(), &[k.clone()]) {598 Ok(Val::Str(v)) => v,599 Ok(_) => {600 err = Some(create_error(crate::error::Error::RuntimeError("types of all array elements should equal".into())));601 "".into()602 }603 Err(e) => {604 err = Some(e);605 "".into()606 }607 }608 });609 if let Some(e) = err {610 return Err(e);611 }612 },613 Val::Num(_) => {614 let mut err = None;615 new_arr.sort_unstable_by(|a, b| {616 match (keyF.evaluate_values(context.clone(), &[a.clone()]), keyF.evaluate_values(context.clone(), &[b.clone()])) {617 (Ok(Val::Num(a)), Ok(Val::Num(b))) => a.partial_cmp(&b).unwrap(),618 (Ok(_a), Ok(_b)) => {619 err = Some(create_error(crate::error::Error::RuntimeError("types of all array elements should equal".into())));620 Ordering::Equal621 }622 (Err(e), _) | (_, Err(e)) => {623 err = Some(e);624 Ordering::Equal625 }626 }627 });628 if let Some(e) = err {629 return Err(e);630 }631 },632 _ => return Err(create_error(crate::error::Error::RuntimeError("keys should be number or string".into())))633 }634 Ok(Val::Arr(Rc::new(new_arr)))635 }))?,636 // faster637 ("std", "range") => parse_args!(context, "std.range", args, 2, [638 0, from: [Val::Num]!!Val::Num, vec![ValType::Num];639 0, to: [Val::Num]!!Val::Num, vec![ValType::Num];640 ], {641 let mut out = Vec::with_capacity((1+to as usize-from as usize).max(0));642 for i in from as usize..=to as usize {643 out.push(Val::Num(i as f64));644 }645 Val::Arr(Rc::new(out))646 }),647 ("std", "char") => parse_args!(context, "std.char", args, 1, [648 0, n: [Val::Num]!!Val::Num, vec![ValType::Num];649 ], {650 let mut out = String::new();651 out.push(std::char::from_u32(n as u32).unwrap());652 Val::Str(out.into())653 }),654 ("std", "encodeUTF8") => parse_args!(context, "std.encodeUtf8", args, 1, [655 0, str: [Val::Str]!!Val::Str, vec![ValType::Str];656 ], {657 Val::Arr(Rc::new(str.bytes().map(|b| Val::Num(b as f64)).collect()))658 }),659 ("std", "md5") => noinline!(parse_args!(context, "std.md5", args, 1, [660 0, str: [Val::Str]!!Val::Str, vec![ValType::Str];661 ], {662 Ok(Val::Str(format!("{:x}", md5::compute(&str.as_bytes())).into()))663 }))?,664 // faster665 ("std", "base64") => parse_args!(context, "std.base64", args, 1, [666 0, input: [Val::Str | Val::Arr], vec![ValType::Arr, ValType::Str];667 ], {668 Val::Str(match input {669 Val::Str(s) => {670 base64::encode(s.bytes().collect::<Vec<_>>()).into()671 },672 Val::Arr(a) => {673 base64::encode(a.iter().map(|v| {674 Ok(v.clone().try_cast_num("base64 array")? as u8)675 }).collect::<Result<Vec<_>>>()?).into()676 },677 _ => unreachable!()678 })679 }),680 // faster681 ("std", "join") => noinline!(parse_args!(context, "std.join", args, 2, [682 0, sep: [Val::Str|Val::Arr], vec![ValType::Str, ValType::Arr];683 1, arr: [Val::Arr]!!Val::Arr, vec![ValType::Arr];684 ], {685 Ok(match sep {686 Val::Arr(joiner_items) => {687 let mut out = Vec::new();688689 let mut first = true;690 for item in arr.iter().cloned() {691 if let Val::Arr(items) = item.unwrap_if_lazy()? {692 if !first {693 out.reserve(joiner_items.len());694 out.extend(joiner_items.iter().cloned());695 }696 first = false;697 out.reserve(items.len());698 out.extend(items.iter().cloned());699 } else {700 create_error_result(crate::Error::RuntimeError("in std.join all items should be arrays".into()))?;701 }702 }703704 Val::Arr(Rc::new(out))705 },706 Val::Str(sep) => {707 let mut out = String::new();708709 let mut first = true;710 for item in arr.iter().cloned() {711 if let Val::Str(item) = item.unwrap_if_lazy()? {712 if !first {713 out += &sep;714 }715 first = false;716 out += &item;717 } else {718 create_error_result(crate::Error::RuntimeError("in std.join all items should be strings".into()))?;719 }720 }721722 Val::Str(out.into())723 },724 _ => unreachable!()725 })726 }))?,727 // Faster728 ("std", "escapeStringJson") => parse_args!(context, "std.escapeStringJson", args, 1, [729 0, str_: [Val::Str]!!Val::Str, vec![ValType::Str];730 ], {731 Val::Str(escape_string_json(&str_).into())732 }),733 // Faster734 ("std", "manifestJsonEx") => parse_args!(context, "std.manifestJsonEx", args, 2, [735 0, value, vec![];736 1, indent: [Val::Str]!!Val::Str, vec![ValType::Str];737 ], {738 Val::Str(manifest_json_ex(&value, &indent)?.into())739 }),740 (ns, name) => {741 create_error_result(crate::Error::IntristicNotFound(ns.into(), name.into()))?742 }743 },744 Val::Func(f) => {745 let body = || f.evaluate(context, args, tailstrict);746 if tailstrict {747 body()?748 } else {749 push(loc, || format!("function <{}> call", f.name), body)?750 }751 }752 v => create_error_result(crate::Error::OnlyFunctionsCanBeCalledGot(v.value_type()?))?,753 })754}755756pub fn evaluate_named(context: Context, lexpr: &LocExpr, name: Rc<str>) -> Result<Val> {757 use Expr::*;758 let LocExpr(expr, _loc) = lexpr;759 Ok(match &**expr {760 Function(params, body) => evaluate_method(context, name, params.clone(), body.clone()),761 _ => evaluate(context, lexpr)?,762 })763}764765pub fn evaluate(context: Context, expr: &LocExpr) -> Result<Val> {766 use Expr::*;767 let LocExpr(expr, loc) = expr;768 Ok(match &**expr {769 Literal(LiteralType::This) => Val::Obj(770 context771 .this()772 .clone()773 .ok_or_else(|| create_error(crate::Error::CantUseSelfOutsideOfObject))?,774 ),775 Literal(LiteralType::Dollar) => Val::Obj(776 context777 .dollar()778 .clone()779 .ok_or_else(|| create_error(crate::Error::NoTopLevelObjectFound))?,780 ),781 Literal(LiteralType::True) => Val::Bool(true),782 Literal(LiteralType::False) => Val::Bool(false),783 Literal(LiteralType::Null) => Val::Null,784 Parened(e) => evaluate(context, e)?,785 Str(v) => Val::Str(v.clone()),786 Num(v) => Val::new_checked_num(*v)?,787 BinaryOp(v1, o, v2) => evaluate_binary_op_special(context, &v1, *o, &v2)?,788 UnaryOp(o, v) => evaluate_unary_op(*o, &evaluate(context, v)?)?,789 Var(name) => push(790 loc,791 || format!("variable <{}>", name),792 || Ok(Val::Lazy(context.binding(name.clone())?).unwrap_if_lazy()?),793 )?,794 Index(LocExpr(v, _), index) if matches!(&**v, Expr::Literal(LiteralType::Super)) => {795 let name = evaluate(context.clone(), index)?.try_cast_str("object index")?;796 context797 .super_obj()798 .clone()799 .expect("no super found")800 .get_raw(name, &context.this().clone().expect("no this found"))?801 .expect("value not found")802 }803 Index(value, index) => {804 match (805 evaluate(context.clone(), value)?.unwrap_if_lazy()?,806 evaluate(context, index)?,807 ) {808 (Val::Obj(v), Val::Str(s)) => {809 if let Some(v) = v.get(s.clone())? {810 v.unwrap_if_lazy()?811 } else if let Some(Val::Str(n)) = v.get("__intristic_namespace__".into())? {812 Val::Intristic(n, s)813 } else {814 create_error_result(crate::Error::NoSuchField(s))?815 }816 }817 (Val::Obj(_), n) => create_error_result(crate::Error::ValueIndexMustBeTypeGot(818 ValType::Obj,819 ValType::Str,820 n.value_type()?,821 ))?,822823 (Val::Arr(v), Val::Num(n)) => {824 if n.fract() > f64::EPSILON {825 create_error_result(crate::Error::FractionalIndex)?826 }827 v.get(n as usize)828 .ok_or_else(|| {829 create_error(crate::Error::ArrayBoundsError(n as usize, v.len()))830 })?831 .clone()832 .unwrap_if_lazy()?833 }834 (Val::Arr(_), Val::Str(n)) => {835 create_error_result(crate::Error::AttemptedIndexAnArrayWithString(n))?836 }837 (Val::Arr(_), n) => create_error_result(crate::Error::ValueIndexMustBeTypeGot(838 ValType::Arr,839 ValType::Num,840 n.value_type()?,841 ))?,842843 (Val::Str(s), Val::Num(n)) => Val::Str(844 s.chars()845 .skip(n as usize)846 .take(1)847 .collect::<String>()848 .into(),849 ),850 (Val::Str(_), n) => create_error_result(crate::Error::ValueIndexMustBeTypeGot(851 ValType::Str,852 ValType::Num,853 n.value_type()?,854 ))?,855856 (v, _) => create_error_result(crate::Error::CantIndexInto(v.value_type()?))?,857 }858 }859 LocalExpr(bindings, returned) => {860 let mut new_bindings: HashMap<Rc<str>, LazyBinding> = HashMap::new();861 let future_context = Context::new_future();862863 let context_creator = context_creator!(864 closure!(clone future_context, |_, _| Ok(future_context.clone().unwrap()))865 );866867 for (k, v) in bindings868 .iter()869 .map(|b| evaluate_binding(b, context_creator.clone()))870 {871 new_bindings.insert(k, v);872 }873874 let context = context875 .extend_unbound(new_bindings, None, None, None)?876 .into_future(future_context);877 evaluate(context, &returned.clone())?878 }879 Arr(items) => {880 let mut out = Vec::with_capacity(items.len());881 for item in items {882 out.push(Val::Lazy(lazy_val!(883 closure!(clone context, clone item, || {884 evaluate(context.clone(), &item)885 })886 )));887 }888 Val::Arr(Rc::new(out))889 }890 ArrComp(expr, compspecs) => Val::Arr(891 // First compspec should be forspec, so no "None" possible here892 Rc::new(evaluate_comp(context, &|ctx| evaluate(ctx, expr), compspecs)?.unwrap()),893 ),894 Obj(body) => Val::Obj(evaluate_object(context, body)?),895 ObjExtend(s, t) => evaluate_add_op(896 &evaluate(context.clone(), s)?,897 &Val::Obj(evaluate_object(context, t)?),898 )?,899 Apply(value, args, tailstrict) => evaluate_apply(context, value, args, loc, *tailstrict)?,900 Function(params, body) => {901 evaluate_method(context, "anonymous".into(), params.clone(), body.clone())902 }903 AssertExpr(AssertStmt(value, msg), returned) => {904 let assertion_result = push(905 &value.1,906 || "assertion condition".to_owned(),907 || {908 evaluate(context.clone(), &value)?909 .try_cast_bool("assertion condition should be boolean")910 },911 )?;912 if assertion_result {913 evaluate(context, returned)?914 } else if let Some(msg) = msg {915 create_error_result(crate::Error::AssertionFailed(evaluate(context, msg)?))?916 } else {917 create_error_result(crate::Error::AssertionFailed(Val::Null))?918 }919 }920 Error(e) => push(921 &loc,922 || "error statement".to_owned(),923 || {924 create_error_result(crate::Error::RuntimeError(925 evaluate(context, e)?.try_cast_str("error text should be string")?,926 ))?927 },928 )?,929 IfElse {930 cond,931 cond_then,932 cond_else,933 } => {934 if evaluate(context.clone(), &cond.0)?935 .try_cast_bool("if condition should be boolean")?936 {937 evaluate(context, cond_then)?938 } else {939 match cond_else {940 Some(v) => evaluate(context, v)?,941 None => Val::Null,942 }943 }944 }945 Import(path) => {946 let mut tmp = loc947 .clone()948 .expect("imports can't be used without loc_data")949 .0;950 let import_location = Rc::make_mut(&mut tmp);951 import_location.pop();952 push(953 loc,954 || format!("import {:?}", path),955 || with_state(|s| s.import_file(&import_location, path)),956 )?957 }958 ImportStr(path) => {959 let mut tmp = loc960 .clone()961 .expect("imports can't be used without loc_data")962 .0;963 let import_location = Rc::make_mut(&mut tmp);964 import_location.pop();965 Val::Str(with_state(|s| s.import_file_str(&import_location, path))?)966 }967 Literal(LiteralType::Super) => return create_error_result(crate::Error::StandaloneSuper),968 })969}crates/jrsonnet-evaluator/src/val.rsdiffbeforeafterboth--- a/crates/jrsonnet-evaluator/src/val.rs
+++ b/crates/jrsonnet-evaluator/src/val.rs
@@ -405,6 +405,15 @@
out
}
+pub fn to_string(val: &Val) -> Result<Rc<str>> {
+ Ok(match val {
+ Val::Bool(true) => "true".into(),
+ Val::Null => "null".into(),
+ Val::Str(s) => s.clone(),
+ v => v.clone().into_json(0)?,
+ })
+}
+
#[test]
fn json_test() {
assert_eq!(escape_string_json("\u{001f}"), "\"\\u001f\"")