93 lines
2.6 KiB
Bash
Executable File
93 lines
2.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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# openscad-validate.sh — Validate .scad files with structured error output
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# Runs OpenSCAD in strict mode and parses errors into actionable categories
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set -euo pipefail
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OPENSCAD="${OPENSCAD_BIN:-$(command -v openscad || echo /opt/homebrew/bin/openscad)}"
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usage() {
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echo "Usage: openscad-validate.sh <file.scad> [-D 'var=val' ...]"
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exit 1
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}
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[[ $# -lt 1 ]] && usage
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scad_file="$1"
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shift
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if [[ ! -f "$scad_file" ]]; then
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echo "ERROR: File not found: $scad_file" >&2
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exit 1
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fi
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tmpdir=$(mktemp -d /tmp/openscad-validate-XXXXXX)
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trap 'rm -rf "$tmpdir"' EXIT
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stl_out="$tmpdir/check.stl"
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echo_out="$tmpdir/check.echo"
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# Run OpenSCAD in strict mode
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output=$("$OPENSCAD" \
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--check-parameters=true \
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--check-parameter-ranges=true \
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--hardwarnings \
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-o "$stl_out" \
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-o "$echo_out" \
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"$@" \
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"$scad_file" 2>&1) || exit_code=$?
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exit_code="${exit_code:-0}"
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echo "=== Validation Report ==="
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echo "File: $scad_file"
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echo "Exit code: $exit_code"
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# Categorize errors
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if echo "$output" | grep -q "Parser error"; then
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echo "Category: SYNTAX_ERROR"
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echo "$output" | grep "ERROR:" | head -5
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echo ""
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# Extract line number
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line=$(echo "$output" | sed -n 's/.*line \([0-9]*\).*/\1/p' | head -1)
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if [[ -n "$line" ]]; then
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echo "Error at line $line. Context:"
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sed -n "$((line > 3 ? line - 3 : 1)),${line}p" "$scad_file" 2>/dev/null | cat -n
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fi
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elif echo "$output" | grep -q "Current top level object is empty"; then
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echo "Category: EMPTY_MODEL"
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echo "The model produces no geometry. Check:"
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echo " - Are modules being called?"
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echo " - Did a difference() remove everything?"
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echo " - Are parameter values valid?"
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elif echo "$output" | grep -q "NSOpenGLContext\|GLX\|Unable to create"; then
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echo "Category: HEADLESS_PREVIEW"
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echo "PNG preview unavailable (no OpenGL context)."
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echo "STL export should still work."
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elif echo "$output" | grep -qi "warning"; then
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echo "Category: WARNING"
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echo "$output" | grep -i "warning" | head -10
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else
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echo "Category: OK"
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fi
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# Show echo output if present
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if [[ -f "$echo_out" ]] && [[ -s "$echo_out" ]]; then
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echo ""
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echo "=== Echo Output ==="
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cat "$echo_out"
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fi
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# Show geometry stats if STL was produced
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if [[ -f "$stl_out" ]]; then
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stl_size=$(wc -c < "$stl_out" | tr -d ' ')
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if [[ "$stl_size" -gt 0 ]]; then
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echo ""
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echo "=== Geometry ==="
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echo "STL size: $stl_size bytes"
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# Extract stats from render output
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echo "$output" | grep -E "(Facets|Vertices|rendering time|Simple):" | head -10
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fi
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fi
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exit "$exit_code"
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