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Render code frame with context (#3901)
This commit is contained in:
Micha Reiser
GitHub
parent
381203c084
commit
056c212975
15 changed files with 130 additions and 70 deletions
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@ -132,6 +132,7 @@ mod tests {
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pub(super) fn create_messages() -> Vec<Message> {
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let fib = r#"import os
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def fibonacci(n):
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"""Compute the nth number in the Fibonacci sequence."""
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x = 1
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@ -158,11 +159,11 @@ def fibonacci(n):
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UnusedVariable {
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name: "x".to_string(),
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},
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Range::new(Location::new(5, 4), Location::new(5, 5)),
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Range::new(Location::new(6, 4), Location::new(6, 5)),
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)
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.with_fix(Fix::new(vec![Edit::deletion(
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Location::new(5, 4),
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Location::new(5, 9),
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Location::new(6, 4),
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Location::new(6, 9),
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)]));
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let file_2 = r#"if a == 1: pass"#;
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@ -3,6 +3,6 @@ source: crates/ruff/src/message/azure.rs
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expression: content
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---
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##vso[task.logissue type=error;sourcepath=fib.py;linenumber=1;columnnumber=8;code=F401;]`os` imported but unused
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##vso[task.logissue type=error;sourcepath=fib.py;linenumber=5;columnnumber=5;code=F841;]Local variable `x` is assigned to but never used
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##vso[task.logissue type=error;sourcepath=fib.py;linenumber=6;columnnumber=5;code=F841;]Local variable `x` is assigned to but never used
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##vso[task.logissue type=error;sourcepath=undef.py;linenumber=1;columnnumber=4;code=F821;]Undefined name `a`
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@ -3,6 +3,6 @@ source: crates/ruff/src/message/github.rs
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expression: content
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---
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::error title=Ruff (F401),file=fib.py,line=1,col=8,endLine=1,endColumn=10::fib.py:1:8: F401 `os` imported but unused
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::error title=Ruff (F841),file=fib.py,line=5,col=5,endLine=5,endColumn=6::fib.py:5:5: F841 Local variable `x` is assigned to but never used
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::error title=Ruff (F841),file=fib.py,line=6,col=5,endLine=6,endColumn=6::fib.py:6:5: F841 Local variable `x` is assigned to but never used
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::error title=Ruff (F821),file=undef.py,line=1,col=4,endLine=1,endColumn=5::undef.py:1:4: F821 Undefined name `a`
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@ -1,6 +1,6 @@
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---
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source: crates/ruff/src/message/gitlab.rs
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expression: output
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expression: redact_fingerprint(&content)
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---
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[
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{
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@ -22,8 +22,8 @@ expression: output
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"location": {
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"path": "fib.py",
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"lines": {
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"begin": 5,
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"end": 5
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"begin": 6,
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"end": 6
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}
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}
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},
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@ -10,10 +10,14 @@ fib.py:
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= help: Remove unused import: `os`
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5:5 F841 Local variable `x` is assigned to but never used
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6:5 F841 Local variable `x` is assigned to but never used
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5 | x = 1
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6 | def fibonacci(n):
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7 | """Compute the nth number in the Fibonacci sequence."""
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8 | x = 1
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| ^ F841
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9 | if n == 0:
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10 | return 0
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= help: Remove assignment to unused variable `x`
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@ -10,10 +10,14 @@ fib.py:
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= help: Remove unused import: `os`
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5:5 F841 [*] Local variable `x` is assigned to but never used
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6:5 F841 [*] Local variable `x` is assigned to but never used
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5 | x = 1
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6 | def fibonacci(n):
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7 | """Compute the nth number in the Fibonacci sequence."""
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8 | x = 1
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| ^ F841
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9 | if n == 0:
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10 | return 0
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= help: Remove assignment to unused variable `x`
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@ -27,22 +27,22 @@ expression: content
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{
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"content": "",
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"location": {
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"row": 5,
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"row": 6,
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"column": 4
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},
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"end_location": {
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"row": 5,
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"row": 6,
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"column": 9
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}
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}
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]
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},
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"location": {
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"row": 5,
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"row": 6,
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"column": 5
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},
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"end_location": {
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"row": 5,
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"row": 6,
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"column": 6
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},
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"filename": "fib.py",
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@ -8,8 +8,8 @@ expression: content
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<testcase name="org.ruff.F401" classname="fib" line="1" column="8">
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<failure message="`os` imported but unused">line 1, col 8, `os` imported but unused</failure>
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</testcase>
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<testcase name="org.ruff.F841" classname="fib" line="5" column="5">
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<failure message="Local variable `x` is assigned to but never used">line 5, col 5, Local variable `x` is assigned to but never used</failure>
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<testcase name="org.ruff.F841" classname="fib" line="6" column="5">
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<failure message="Local variable `x` is assigned to but never used">line 6, col 5, Local variable `x` is assigned to but never used</failure>
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</testcase>
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</testsuite>
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<testsuite name="undef.py" tests="1" disabled="0" errors="0" failures="1" package="org.ruff">
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@ -3,6 +3,6 @@ source: crates/ruff/src/message/pylint.rs
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expression: content
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---
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fib.py:1: [F401] `os` imported but unused
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fib.py:5: [F841] Local variable `x` is assigned to but never used
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fib.py:6: [F841] Local variable `x` is assigned to but never used
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undef.py:1: [F821] Undefined name `a`
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@ -9,10 +9,14 @@ fib.py:1:8: F401 `os` imported but unused
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= help: Remove unused import: `os`
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fib.py:5:5: F841 Local variable `x` is assigned to but never used
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fib.py:6:5: F841 Local variable `x` is assigned to but never used
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5 | x = 1
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6 | def fibonacci(n):
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7 | """Compute the nth number in the Fibonacci sequence."""
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8 | x = 1
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| ^ F841
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9 | if n == 0:
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10 | return 0
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= help: Remove assignment to unused variable `x`
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@ -9,10 +9,14 @@ fib.py:1:8: F401 [*] `os` imported but unused
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= help: Remove unused import: `os`
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fib.py:5:5: F841 [*] Local variable `x` is assigned to but never used
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fib.py:6:5: F841 [*] Local variable `x` is assigned to but never used
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5 | x = 1
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6 | def fibonacci(n):
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7 | """Compute the nth number in the Fibonacci sequence."""
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8 | x = 1
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| ^ F841
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9 | if n == 0:
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10 | return 0
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= help: Remove assignment to unused variable `x`
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@ -1,13 +1,13 @@
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use crate::fs::relativize_path;
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use crate::message::{Emitter, EmitterContext, Location, Message};
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use crate::message::{Emitter, EmitterContext, Message};
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use crate::registry::AsRule;
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use annotate_snippets::display_list::{DisplayList, FormatOptions};
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use annotate_snippets::snippet::{Annotation, AnnotationType, Slice, Snippet, SourceAnnotation};
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use colored::Colorize;
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use ruff_diagnostics::DiagnosticKind;
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use ruff_python_ast::source_code::OneIndexed;
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use ruff_python_ast::types::Range;
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use ruff_text_size::TextRange;
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use std::cmp;
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use std::fmt::{Display, Formatter};
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use std::io::Write;
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@ -139,29 +139,52 @@ impl Display for MessageCodeFrame<'_> {
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Vec::new()
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};
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let source_code_start =
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source_code.line_start(OneIndexed::new(location.row()).unwrap());
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let mut start_index =
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OneIndexed::new(cmp::max(1, location.row().saturating_sub(2))).unwrap();
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let content_start_index = OneIndexed::new(location.row()).unwrap();
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let source_code_end = source_code.line_start(
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OneIndexed::new(
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end_location
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.row()
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.saturating_add(1)
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.min(source_code.line_count() + 1),
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)
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.unwrap(),
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);
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// Trim leading empty lines.
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while start_index < content_start_index {
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if !source_code.line_text(start_index).trim().is_empty() {
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break;
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}
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start_index = start_index.saturating_add(1);
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}
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let source_text =
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&source_code.text()[TextRange::new(source_code_start, source_code_end)];
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let mut end_index = OneIndexed::new(cmp::min(
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end_location.row().saturating_add(2),
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source_code.line_count() + 1,
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))
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.unwrap();
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let content_range = source_code.text_range(Range::new(
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// Subtract 1 because message column indices are 1 based but the index columns are 1 based.
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Location::new(location.row(), location.column().saturating_sub(1)),
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Location::new(end_location.row(), end_location.column().saturating_sub(1)),
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));
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let content_end_index = OneIndexed::new(end_location.row()).unwrap();
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let annotation_length = &source_text[content_range - source_code_start]
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// Trim trailing empty lines
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while end_index > content_end_index {
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if !source_code.line_text(end_index).trim().is_empty() {
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break;
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}
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end_index = end_index.saturating_sub(1);
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}
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let start_offset = source_code.line_start(start_index);
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let end_offset = source_code.line_end(end_index);
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let source_text = &source_code.text()[TextRange::new(start_offset, end_offset)];
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let annotation_start_offset =
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// Message columns are one indexed
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source_code.offset(location.with_col_offset(-1)) - start_offset;
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let annotation_end_offset =
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source_code.offset(end_location.with_col_offset(-1)) - start_offset;
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let start_char = source_text[TextRange::up_to(annotation_start_offset)]
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.chars()
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.count();
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let char_length = source_text
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[TextRange::new(annotation_start_offset, annotation_end_offset)]
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.chars()
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.count();
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@ -175,10 +198,7 @@ impl Display for MessageCodeFrame<'_> {
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annotations: vec![SourceAnnotation {
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label: &label,
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annotation_type: AnnotationType::Error,
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range: (
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location.column() - 1,
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location.column() + annotation_length - 1,
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),
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range: (start_char, start_char + char_length),
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}],
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// The origin (file name, line number, and column number) is already encoded
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// in the `label`.
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@ -100,6 +100,20 @@ impl LineIndex {
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}
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}
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/// Returns the [byte offset](TextSize) of the `line`'s end.
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/// The offset is the end of the line, up to and including the newline character ending the line (if any).
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pub(crate) fn line_end(&self, line: OneIndexed, contents: &str) -> TextSize {
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let row_index = line.to_zero_indexed();
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let starts = self.line_starts();
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// If start-of-line position after last line
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if row_index.saturating_add(1) >= starts.len() {
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contents.text_len()
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} else {
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starts[row_index + 1]
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}
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}
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/// Returns the [`TextRange`] of the `line` with the given index.
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/// The start points to the first character's [byte offset](TextSize), the end up to, and including
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/// the newline character ending the line (if any).
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@ -78,6 +78,10 @@ impl<'src, 'index> SourceCode<'src, 'index> {
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self.index.line_start(line, self.text)
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}
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pub fn line_end(&self, line: OneIndexed) -> TextSize {
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self.index.line_end(line, self.text)
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}
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pub fn line_range(&self, line: OneIndexed) -> TextRange {
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self.index.line_range(line, self.text)
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}
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@ -198,6 +202,11 @@ impl SourceCodeBuf {
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self.as_source_code().offset(location)
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}
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#[inline]
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pub fn line_end(&self, line: OneIndexed) -> TextSize {
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self.as_source_code().line_end(line)
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}
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#[inline]
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pub fn line_start(&self, line: OneIndexed) -> TextSize {
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self.as_source_code().line_start(line)
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