traces.md

Traces

Regular expression (Regex)

Regular Expression Parsing (regexParse.json)

T4DTrace forBlock:
	['\d|\w+' asRegex].

Regular Expression Matching (regexMatch.json)

matcher := '\d|\w+' asRegex.
T4DTrace forBlock:
	[matcher matchesIn: 'hi, 6 times 7 equal to 42'].

Morphic UI Framework (Morphic)

Event Handling (mouseDown.json)

1. Type self haltOnce
2. Select > Button for it
3. Inspect button > self actWhen: #buttonDown
4. 1 setHaltOnce
5. Click button
6. Debug > Full stack > select HandMorph>>#sendMouseEvent:
7. Restart > Trace it
8. 1 setHaltOnce
9. Over
10. Inspect TraceDebugger > T4DTrace forCursor: self cursor

Layouting (fullBoundsTextView.json)

1. nil inspect
2. Halo on bottom code pane > Inspect
3. self fullBoundsTextView
4. T4DTrace forBlock: [self layoutChanged; fullBounds]

Full World Cycle (worldCycle.json)

T4DTrace forBlock:
	[Project current world doOneCycleNow].

Text Rendering (displayScanner.json)

T4DTrace forBlock:
	['a\b' withCRs asTextMorph imageForm].

Inspection Tool Construction (inspectorResetFields.json)

1. Color red inspect
2. Halo on inspector > Inspect model
3. T4DTrace forBlock: [self resetFields]

HTML Parsing (asTextFromHtml.json)

T4DTrace forBlock:
	['<b>Hello <a href="lol">World!</a></b>' asTextFromHtml].

Compiler (doIt.json)

self clearHaltOnce.
T4DTrace forBlock:
	[Compiler evaluate: 'self haltOnce'].

Trivia

Factorial (factorial2.json)

T4DTrace forBlock:
	[2 factorial].

Non-Local Return (nonLocalReturn.json)

T4DTrace forBlock:
	['123' detect: [:ea | ea = $2]].

Exception Signaling (zeroDivision.json)

T4DTrace forBlock:
	[2 / 0].