derive: properly display error locations (second attempt)

rinja_derive/Cargo.toml

@@ -26,6 +26,7 @@ with-warp = []
 
 [dependencies]
 parser = { package = "rinja_parser", version = "0.2.0", path = "../rinja_parser" }
+annotate-snippets = "0.11.4"
 basic-toml = { version = "0.1.1", optional = true }
 memchr = "2"
 mime = "0.3"

rinja_derive/src/lib.rs

@@ -14,6 +14,7 @@ use std::collections::HashMap;
 use std::fmt;
 use std::path::Path;
 
+use annotate_snippets::{Level, Renderer, Snippet};
 use config::{read_config_file, Config};
 use generator::{Generator, MapChain};
 use heritage::{Context, Heritage};
@@ -96,8 +97,14 @@ pub fn derive_template(input: TokenStream12) -> TokenStream12 {
         Err(CompileError {
             msg,
             span,
-            rendered: _rendered,
+            rendered,
         }) => {
+            let msg = if rendered {
+                eprintln!("{msg}");
+                "the previous template error derives from"
+            } else {
+                &msg
+            };
             let mut ts: TokenStream = parse_quote_spanned! {
                 span.unwrap_or(ast.ident.span()) =>
                 ::core::compile_error!(#msg);
@@ -227,6 +234,38 @@ impl CompileError {
         file_info: Option<FileInfo<'_>>,
         span: Option<Span>,
     ) -> Self {
+        if let Some(FileInfo {
+            path,
+            source: Some(source),
+            node_source: Some(node_source),
+        }) = file_info
+        {
+            if source
+                .as_bytes()
+                .as_ptr_range()
+                .contains(&node_source.as_ptr())
+            {
+                let label = msg.to_string();
+                let path = match std::env::current_dir() {
+                    Ok(cwd) => strip_common(&cwd, path),
+                    Err(_) => path.display().to_string(),
+                };
+
+                let start = node_source.as_ptr() as usize - source.as_ptr() as usize;
+                let annotation = Level::Error.span(start..start).label("close to this token");
+                let snippet = Snippet::source(source)
+                    .origin(&path)
+                    .fold(true)
+                    .annotation(annotation);
+                let message = Level::Error.title(&label).snippet(snippet);
+                return Self {
+                    msg: Renderer::styled().render(message).to_string(),
+                    span,
+                    rendered: true,
+                };
+            }
+        }
+
         let msg = match file_info {
             Some(file_info) => format!("{msg}{file_info}"),
             None => msg.to_string(),

rinja_derive_standalone/Cargo.toml

@@ -25,6 +25,7 @@ with-warp = []
 
 [dependencies]
 parser = { package = "rinja_parser", version = "0.2.0", path = "../rinja_parser" }
+annotate-snippets = "0.11.4"
 basic-toml = { version = "0.1.1", optional = true }
 memchr = "2"
 mime = "0.3"

testing/tests/ui/as-primitive-type.stderr

@@ -1,46 +1,34 @@
-error: `as` operator expects the name of a primitive type on its right-hand side
- --> <source attribute>:1:8
-       "as 4567 }}"
+error: the previous template error derives from
  --> tests/ui/as-primitive-type.rs:4:21
   |
 4 | #[template(source = r#"{{ 1234 as 4567 }}"#, ext = "html")]
   |                     ^^^^^^^^^^^^^^^^^^^^^^^
 
-error: `as` operator expects the name of a primitive type on its right-hand side
- --> <source attribute>:1:8
-       "as ? }}"
+error: the previous template error derives from
  --> tests/ui/as-primitive-type.rs:8:21
   |
 8 | #[template(source = r#"{{ 1234 as ? }}"#, ext = "html")]
   |                     ^^^^^^^^^^^^^^^^^^^^
 
-error: `as` operator expects the name of a primitive type on its right-hand side, found `u1234`
- --> <source attribute>:1:8
-       "as u1234 }}"
+error: the previous template error derives from
   --> tests/ui/as-primitive-type.rs:12:21
    |
 12 | #[template(source = r#"{{ 1234 as u1234 }}"#, ext = "html")]
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: `as` operator expects the name of a primitive type on its right-hand side, found `core`
- --> <source attribute>:1:8
-       "as core::primitive::u32 }}"
+error: the previous template error derives from
   --> tests/ui/as-primitive-type.rs:16:21
    |
 16 | #[template(source = r#"{{ 1234 as core::primitive::u32 }}"#, ext = "html")]
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: `as` operator expects the name of a primitive type on its right-hand side, found `int32_t`
- --> <source attribute>:1:8
-       "as int32_t }}"
+error: the previous template error derives from
   --> tests/ui/as-primitive-type.rs:20:21
    |
 20 | #[template(source = r#"{{ 1234 as int32_t }}"#, ext = "html")]
    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: `as` operator expects the name of a primitive type on its right-hand side, found `int32_t`
- --> <source attribute>:1:35
-       "as int32_t }}"
+error: the previous template error derives from
   --> tests/ui/as-primitive-type.rs:24:21
    |
 24 | #[template(source = r#"{{ (1234 + 4 * 12 / 45675445 - 13) as int32_t }}"#, ext = "html")]

testing/tests/ui/block_in_filter_block.stderr

@@ -1,6 +1,4 @@
-error: cannot have a block inside a filter block
- --> BlockInFilter.html:7:10
-       " block title %}New title{% endblock %}\n        a b\n    {% endfilter %}\n{%- endblock body %}\n"
+error: the previous template error derives from
   --> tests/ui/block_in_filter_block.rs:5:14
    |
 5  |       source = r#"{% extends "html-base.html" %}

testing/tests/ui/blocks_below_top_level.stderr

@@ -1,6 +1,4 @@
-error: `extends` blocks are not allowed below top level
- --> MyTemplate1.txt:3:2
-       " extends \"bla.txt\" %}\n{% endblock %}\n"
+error: the previous template error derives from
  --> tests/ui/blocks_below_top_level.rs:4:21
   |
 4 |   #[template(source = r#"
@@ -11,9 +9,7 @@ error: `extends` blocks are not allowed below top level
 8 | | "#, ext = "txt")]
   | |__^
 
-error: `macro` blocks are not allowed below top level
- --> MyTemplate2.txt:3:2
-       " macro bla() %}\n{% endmacro %}\n{% endblock %}\n"
+error: the previous template error derives from
   --> tests/ui/blocks_below_top_level.rs:12:21
    |
 12 |   #[template(source = r#"
@@ -25,9 +21,7 @@ error: `macro` blocks are not allowed below top level
 17 | | "#, ext = "txt")]
    | |__^
 
-error: `import` blocks are not allowed below top level
- --> MyTemplate3.txt:3:2
-       " import \"bla.txt\" as blue %}\n{% endblock %}\n"
+error: the previous template error derives from
   --> tests/ui/blocks_below_top_level.rs:21:21
    |
 21 |   #[template(source = r#"

testing/tests/ui/break_outside_of_loop.stderr

@@ -1,6 +1,4 @@
-error: you can only `break` inside a `for` loop
- --> <source attribute>:1:9
-       "break%}, have a parsing error!"
+error: the previous template error derives from
  --> tests/ui/break_outside_of_loop.rs:5:14
   |
 5 |     source = "Have a {%break%}, have a parsing error!",

testing/tests/ui/char_literal.stderr

@@ -1,62 +1,46 @@
-error: invalid character
- --> testing/templates/char-literals/char-literal-1.txt:1:11
-       "'\\a' %}"
+error: the previous template error derives from
  --> tests/ui/char_literal.rs:4:19
   |
 4 | #[template(path = "char-literals/char-literal-1.txt")]
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: invalid character
- --> testing/templates/char-literals/char-literal-2.txt:1:11
-       "'\\x' %}"
+error: the previous template error derives from
  --> tests/ui/char_literal.rs:8:19
   |
 8 | #[template(path = "char-literals/char-literal-2.txt")]
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: invalid character
- --> testing/templates/char-literals/char-literal-3.txt:1:11
-       "'\\x1' %}"
+error: the previous template error derives from
   --> tests/ui/char_literal.rs:12:19
    |
 12 | #[template(path = "char-literals/char-literal-3.txt")]
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: must be a character in the range [\x00-\x7f]
- --> testing/templates/char-literals/char-literal-4.txt:1:11
-       "'\\x80' %}"
+error: the previous template error derives from
   --> tests/ui/char_literal.rs:16:19
    |
 16 | #[template(path = "char-literals/char-literal-4.txt")]
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: invalid character
- --> testing/templates/char-literals/char-literal-5.txt:1:11
-       "'\\u' %}"
+error: the previous template error derives from
   --> tests/ui/char_literal.rs:20:19
    |
 20 | #[template(path = "char-literals/char-literal-5.txt")]
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: invalid character
- --> testing/templates/char-literals/char-literal-6.txt:1:11
-       "'\\u{}' %}"
+error: the previous template error derives from
   --> tests/ui/char_literal.rs:24:19
    |
 24 | #[template(path = "char-literals/char-literal-6.txt")]
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: unicode escape must be at most 10FFFF
- --> testing/templates/char-literals/char-literal-7.txt:1:11
-       "'\\u{110000}' %}"
+error: the previous template error derives from
   --> tests/ui/char_literal.rs:28:19
    |
 28 | #[template(path = "char-literals/char-literal-7.txt")]
    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: invalid character
- --> <source attribute>:1:11
-       "'aaa' %}"
+error: the previous template error derives from
   --> tests/ui/char_literal.rs:32:21
    |
 32 | #[template(source = "{% let s = 'aaa' %}", ext = "html")]

testing/tests/ui/error_file_path.stderr

@@ -1,22 +1,16 @@
-error: failed to parse template source
- --> testing/templates/invalid_syntax.html:1:14
-       "}"
+error: the previous template error derives from
  --> tests/ui/error_file_path.rs:4:19
   |
 4 | #[template(path = "invalid_syntax.html")]
   |                   ^^^^^^^^^^^^^^^^^^^^^
 
-error: failed to parse template source
- --> testing/templates/invalid_syntax.html:1:14
-       "}"
+error: the previous template error derives from
  --> tests/ui/error_file_path.rs:8:19
   |
 8 | #[template(path = "include_invalid_syntax.html")]
   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: failed to parse template source
- --> testing/templates/invalid_syntax.html:1:14
-       "}"
+error: the previous template error derives from
   --> tests/ui/error_file_path.rs:12:21
    |
 12 | #[template(source = r#"{% extends "include_invalid_syntax.html" %}"#, ext = "txt")]

testing/tests/ui/excessive_nesting.stderr

@@ -1,6 +1,4 @@
-error: your template code is too deeply nested, or last expression is too complex
- --> <source attribute>:14:42
-       "%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 200\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 300\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 400\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 500\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 600\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 700\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 800\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 900\n\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}\n    {%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%}{%if 1%} 1000\n    "
+error: the previous template error derives from
    --> tests/ui/excessive_nesting.rs:5:14
     |
 5   |       source = "

testing/tests/ui/extends.stderr

@@ -1,14 +1,10 @@
-error: whitespace control is not allowed on `extends`
- --> <source attribute>:1:2
-       "- extends \"whatever.html\" %}"
+error: the previous template error derives from
  --> tests/ui/extends.rs:5:14
   |
 5 |     source = r#"{%- extends "whatever.html" %}"#,
   |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: whitespace control is not allowed on `extends`
- --> <source attribute>:1:2
-       " extends \"whatever.html\" -%}"
+error: the previous template error derives from
   --> tests/ui/extends.rs:12:14
    |
 12 |     source = r#"{% extends "whatever.html" -%}"#,

testing/tests/ui/filter-recursion.stderr

@@ -1,6 +1,4 @@
-error: your template code is too deeply nested, or last expression is too complex
- --> testing/templates/filter-recursion.html:1:255
-       "|A|AA|A|A|A|A|AA|A|A|A|A|AA|A|A|A|A|AA|A|A|A|A|AA|A|A|A|A|AA|A|A|A||A|A|AA|A|A|A|A|AA|A|A|A|A|AA|A|A|A|A|AA|A|A|A|A|AA|A"
+error: the previous template error derives from
  --> tests/ui/filter-recursion.rs:4:19
   |
 4 | #[template(path = "filter-recursion.html")]

testing/tests/ui/filter_block_ws.stderr

@@ -1,6 +1,4 @@
-error: failed to parse template source
- --> <source attribute>:1:27
-       " %}\nHELLO\n{{v}}\n{%- endfilter %}"
+error: the previous template error derives from
  --> tests/ui/filter_block_ws.rs:4:21
   |
 4 |   #[template(source = "{% filter lower|indent(2) - %}

testing/tests/ui/include-a-folder.stderr

@@ -1,6 +1,4 @@
-error: unable to open template file '$WORKSPACE/target/tests/trybuild/rinja_testing/templates/a_file_that_is_actually_a_folder.html': Is a directory (os error 21)
- --> YouCannotIncludeFolders.txt:1:2
-       " include \"a_file_that_is_actually_a_folder.html\" %}"
+error: the previous template error derives from
  --> tests/ui/include-a-folder.rs:4:34
   |
 4 | #[template(ext = "txt", source = r#"{% include "a_file_that_is_actually_a_folder.html" %}"#)]