Files
hakorune/tools/selfhost/test_pattern2_parse_number.hako
nyash-codex 701f1fd650 feat(joinir): Phase 164 Pattern3 (If-Else PHI) validation complete
- Created 4 representative test cases for Pattern3 patterns:
  * test_pattern3_if_phi_no_break.hako - Core Pattern3 (if-else PHI, no break/continue)
  * test_pattern3_skip_whitespace.hako - Pattern3+break style (routed to Pattern2)
  * test_pattern3_trim_leading.hako - Pattern3+break style (routed to Pattern2)
  * test_pattern3_trim_trailing.hako - Pattern3+break style (routed to Pattern2)

- Validated Pattern3_WithIfPhi detection:
  * Pattern routing: Pattern3_WithIfPhi MATCHED confirmed
  * JoinIR lowering: 3 functions, 20 blocks → 8 blocks (successful)
  * [joinir/freeze] elimination: Complete (no errors on any test)

- Clarified pattern classification:
  * Pattern3_WithIfPhi handles if-else PHI without break/continue
  * Loops with "if-else PHI + break" are routed to Pattern2_WithBreak
  * Break takes priority over if-else PHI in pattern detection

- Cumulative achievement (Phase 162-164):
  * Pattern1: 6 loops working 
  * Pattern2: 5 loops working 
  * Pattern3 (no break): 1 loop working 
  * Pattern3+break (as Pattern2): 3 loops working 
  * Total: 15 loops covered, zero [joinir/freeze] errors

- Updated CURRENT_TASK.md with Phase 164 section and findings

Next: Phase 165 Pattern4 (continue) validation

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-12-06 16:22:38 +09:00

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// Phase 163: Test _parse_number from JsonParserBox (Pattern2 with break)
// Simulates: loop(digit_pos >= 0) { num_str += ch; p++; break if non-digit }
static box Main {
main(args) {
local num_str = "12345abc"
local i = 0
local digits = "0123456789"
local result = ""
// Simulate _parse_number: collect digits until non-digit
loop(i < num_str.length()) {
local ch = num_str.substring(i, i + 1)
local digit_pos = digits.indexOf(ch)
// Exit on non-digit
if digit_pos < 0 {
break
}
// Append digit
result = result + ch
i = i + 1
}
print("Input: " + num_str)
print("Parsed: " + result)
print("Stopped at index: " + ("" + i))
return 0
}
}