ci: add MISS_HIT MATLAB linter to test pipeline

- Add lint job running mh_style and mh_lint on every push/PR
- Add miss_hit.cfg with MATLAB-compatible naming rules and
  suppressions for existing codebase style
- Fix consecutive blank lines in 9 files to pass clean

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: HanSur94

.github/workflows/tests.yml

@@ -10,6 +10,21 @@ on:
   workflow_dispatch:
 
 jobs:
+  lint:
+    name: MATLAB Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install MISS_HIT
+        run: pip install miss_hit
+
+      - name: Run style checker
+        run: mh_style libs/ tests/ examples/
+
+      - name: Run linter
+        run: mh_lint libs/ tests/ examples/
+
   octave:
     name: Octave Tests
     if: github.event_name != 'schedule'

examples/example_stress_test.m

@@ -260,7 +260,6 @@
 fprintf('  Total time: %.2f seconds\n', totalTime);
 fprintf('  Toolbar: cursor, crosshair, grid, legend, autoscale, export\n');
 
-
 % =========================================================================
 % Helper functions
 % =========================================================================

libs/FastPlot/FastPlotDataStore.m

@@ -808,7 +808,6 @@ function initBinaryFallback(obj, x, y)
     end
 end
 
-
 function tf = isCategoricalStruct(data)
 %ISCATEGORICALSTRUCT True if data is a struct with codes+categories fields.
     tf = isstruct(data) && isfield(data, 'codes') && isfield(data, 'categories');

libs/FastPlot/build_mex.m

@@ -216,7 +216,6 @@ function build_mex()
     copy_mex_to(outDir, sensorPrivDir, 'resolve_disk_mex');
 end
 
-
 function compile_mex(src_file, out_name, outDir, include_flag, opt_flags, compiler, extra_srcs)
 %COMPILE_MEX Compile C source file(s) into a MEX binary.
 %   compile_mex(src_file, out_name, outDir, include_flag, opt_flags, compiler, extra_srcs)
@@ -278,7 +277,6 @@ function compile_mex(src_file, out_name, outDir, include_flag, opt_flags, compil
     end
 end
 
-
 function copy_mex_to(srcDir, destDir, name)
 %COPY_MEX_TO Copy a compiled MEX binary to another directory.
 %   copy_mex_to(srcDir, destDir, name) finds all files matching
@@ -303,7 +301,6 @@ function copy_mex_to(srcDir, destDir, name)
     end
 end
 
-
 function [gcc_path, gcc_name] = find_gcc()
 %FIND_GCC Search for a real GCC installation (not Apple Clang).
 %   [gcc_path, gcc_name] = find_gcc() searches Homebrew paths for
@@ -343,5 +340,3 @@ function copy_mex_to(srcDir, destDir, name)
         gcc_name = 'gcc';
     end
 end
-
-

libs/FastPlot/private/lttb_downsample.m

@@ -126,7 +126,6 @@
     yOut = yOut(1:pos);
 end
 
-
 function [xOut, yOut] = lttb_core(x, y, numOut, logX, logY)
 %LTTB_CORE Core LTTB algorithm on a contiguous (no NaN) segment.
 %   [xOut, yOut] = LTTB_CORE(x, y, numOut, logX, logY) performs the

libs/FastPlot/private/minmax_downsample.m

@@ -158,7 +158,6 @@
     yOut = yOut(1:pos);
 end
 
-
 function [xOut, yOut] = minmax_core(segX, segY, nb)
 %MINMAX_CORE Vectorized min/max downsampling of a contiguous segment.
 %   [xOut, yOut] = MINMAX_CORE(segX, segY, nb) performs min/max envelope
@@ -246,7 +245,6 @@
     yOut(even(~minFirst)) = yMinVals(~minFirst);
 end
 
-
 function [xOut, yOut] = minmax_core_logx(segX, segY, nb)
 %MINMAX_CORE_LOGX Min/max downsampling with logarithmically-spaced buckets.
 %   [xOut, yOut] = MINMAX_CORE_LOGX(segX, segY, nb) performs min/max

libs/SensorThreshold/private/mergeResolvedByLabel.m

@@ -124,7 +124,6 @@
     end
 end
 
-
 function [stepX, stepY] = toStepFunction(segBounds, values, dataEnd)
 %TOSTEPFUNCTION Convert segment boundary values to step-function arrays.
 %   [stepX, stepY] = TOSTEPFUNCTION(segBounds, values, dataEnd) transforms

miss_hit.cfg

@@ -0,0 +1,35 @@
+# MISS_HIT configuration for FastPlot
+# https://florianschanda.github.io/miss_hit/
+
+# Line length — MATLAB convention
+line_length: 160
+
+# Tab width
+tab_width: 4
+
+# Naming conventions — match MATLAB/OOP PascalCase style
+regex_class_name: "[A-Z][a-zA-Z0-9]+"
+regex_function_name: "[a-zA-Z][a-zA-Z0-9_]*"
+regex_method_name: "[a-zA-Z][a-zA-Z0-9_]*"
+regex_parameter_name: "[a-zA-Z][a-zA-Z0-9_]*"
+regex_script_name: "[a-zA-Z][a-zA-Z0-9_]*"
+
+# Suppress noisy rules for existing codebase
+suppress_rule: "copyright_notice"
+suppress_rule: "unicode"
+suppress_rule: "end_of_statements"
+suppress_rule: "whitespace_around_functions"
+suppress_rule: "indentation"
+suppress_rule: "naming_functions"
+suppress_rule: "whitespace_comments"
+suppress_rule: "whitespace_comma"
+suppress_rule: "operator_whitespace"
+suppress_rule: "whitespace_keywords"
+suppress_rule: "operator_after_continuation"
+suppress_rule: "whitespace_continuation"
+suppress_rule: "file_length"
+suppress_rule: "spurious_row_semicolon"
+suppress_rule: "whitespace_semicolon"
+suppress_rule: "whitespace_colon"
+suppress_rule: "whitespace_brackets"
+suppress_rule: "whitespace_assignment"

tests/run_all_tests.m

@@ -20,7 +20,6 @@
     end
 end
 
-
 function results = run_matlab_suite(test_dir)
 %RUN_MATLAB_SUITE Run class-based test suite using matlab.unittest.
     import matlab.unittest.TestSuite
@@ -71,7 +70,6 @@
     end
 end
 
-
 function results = run_octave_tests(test_dir)
 %RUN_OCTAVE_TESTS Run function-based tests for Octave compatibility.
     add_fastplot_private_path();

tests/test_mex_parity.m

@@ -138,7 +138,6 @@ function test_mex_parity()
     fprintf('    All %d MEX parity tests passed.\n', n_passed);
 end
 
-
 % ---- Pure MATLAB reference implementations (copied from private/) ----
 
 function idx = binary_search_matlab(x, val, direction)