From b43b71998a216c097600b727dcd96256f5ed75e5 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A1n=20D=C3=A9nes?= <mr@zealot.hu>
Date: Fri, 16 Jul 2021 13:18:50 +0200
Subject: [PATCH] Auto-debug when output would be empty

---
 src/ergogen.js | 124 ++++++++++++++++++++++++++-----------------------
 1 file changed, 67 insertions(+), 57 deletions(-)

diff --git a/src/ergogen.js b/src/ergogen.js
index 3030696..2cfeacb 100644
--- a/src/ergogen.js
+++ b/src/ergogen.js
@@ -7,64 +7,74 @@ const outlines_lib = require('./outlines')
 const cases_lib = require('./cases')
 const pcbs_lib = require('./pcbs')
 
+const process = async (raw, debug=false, logger=()=>{}) => {
+
+    let empty = true
+    let [config, format] = io.interpret(raw, logger)
+    logger('Interpreting format: ' + format)
+    
+    logger('Preprocessing input...')
+    config = prepare.unnest(config)
+    config = prepare.inherit(config)
+    const results = {}
+    if (debug) {
+        results.raw = raw
+        results.canonical = u.deepcopy(config)
+    }
+
+    logger('Calculating variables...')
+    const units = units_lib.parse(config)
+    if (debug) {
+        results.units = units
+    }
+
+    
+    logger('Parsing points...')
+    if (!config.points) {
+        throw new Error('Input does not contain any points!')
+    }
+    const points = points_lib.parse(config.points, units)
+    if (debug) {
+        results.points = points
+        results.demo = io.twodee(points_lib.visualize(points), debug)
+    }
+
+    logger('Generating outlines...')
+    const outlines = outlines_lib.parse(config.outlines || {}, points, units)
+    results.outlines = {}
+    for (const [name, outline] of Object.entries(outlines)) {
+        if (!debug && name.startsWith('_')) continue
+        results.outlines[name] = io.twodee(outline, debug)
+        empty = false
+    }
+
+    logger('Extruding cases...')
+    const cases = cases_lib.parse(config.cases || {}, outlines, units)
+    results.cases = {}
+    for (const [case_name, case_script] of Object.entries(cases)) {
+        if (!debug && case_name.startsWith('_')) continue
+        results.cases[case_name] = await io.threedee(case_script, debug)
+        empty = false
+    }
+
+    logger('Scaffolding PCBs...')
+    const pcbs = pcbs_lib.parse(config.pcbs || {}, points, outlines, units)
+    results.pcbs = {}
+    for (const [pcb_name, pcb_text] of Object.entries(pcbs)) {
+        if (!debug && pcb_name.startsWith('_')) continue
+        results.pcbs[pcb_name] = pcb_text
+        empty = false
+    }
+
+    if (!debug && empty) {
+        logger('Output would be empty, rerunning in debug mode...')
+        return process(raw, true, () => {})
+    }
+    return results
+}
+
 module.exports = {
     version: '__ergogen_version',
-    process: async (raw, debug=false, logger=()=>{}) => {
-
-        let [config, format] = io.interpret(raw, logger)
-        logger('Interpreting format: ' + format)
-        
-        logger('Preprocessing input...')
-        config = prepare.unnest(config)
-        config = prepare.inherit(config)
-        const results = {}
-        if (debug) {
-            results.raw = raw
-            results.canonical = u.deepcopy(config)
-        }
-
-        logger('Calculating variables...')
-        const units = units_lib.parse(config)
-        if (debug) {
-            results.units = units
-        }
-
-        
-        logger('Parsing points...')
-        if (!config.points) {
-            throw new Error('Input does not contain any points!')
-        }
-        const points = points_lib.parse(config.points, units)
-        if (debug) {
-            results.points = points
-            results.demo = io.twodee(points_lib.visualize(points), debug)
-        }
-
-        logger('Generating outlines...')
-        const outlines = outlines_lib.parse(config.outlines || {}, points, units)
-        results.outlines = {}
-        for (const [name, outline] of Object.entries(outlines)) {
-            if (!debug && name.startsWith('_')) continue
-            results.outlines[name] = io.twodee(outline, debug)
-        }
-
-        logger('Extruding cases...')
-        const cases = cases_lib.parse(config.cases || {}, outlines, units)
-        results.cases = {}
-        for (const [case_name, case_script] of Object.entries(cases)) {
-            if (!debug && case_name.startsWith('_')) continue
-            results.cases[case_name] = await io.threedee(case_script, debug)
-        }
-
-        logger('Scaffolding PCBs...')
-        const pcbs = pcbs_lib.parse(config.pcbs || {}, points, outlines, units)
-        results.pcbs = {}
-        for (const [pcb_name, pcb_text] of Object.entries(pcbs)) {
-            if (!debug && pcb_name.startsWith('_')) continue
-            results.pcbs[pcb_name] = pcb_text
-        }
-
-        return results
-    },
+    process,
     inject_footprint: pcbs_lib.inject_footprint
 }
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