d7805e5974
Extended PatternPipelineContext and CarrierUpdateInfo for Pattern 3 AST-based generalization. Changes: 1. PatternPipelineContext: - Added loop_condition: Option<ASTNode> - Added loop_body: Option<Vec<ASTNode>> - Added loop_update_summary: Option<LoopUpdateSummary> - Updated build_pattern_context() for Pattern 3 2. CarrierUpdateInfo: - Added then_expr: Option<ASTNode> - Added else_expr: Option<ASTNode> - Updated analyze_loop_updates() with None defaults Status: Phase 213-2 Steps 2-2 & 2-3 complete Next: Create Pattern3IfAnalyzer to extract if statement and populate update summary
53 lines
1.5 KiB
Plaintext
53 lines
1.5 KiB
Plaintext
// Phase 212: Pattern 1 + Pattern 3 (IfPHI) test - if-sum implementation
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// Tests: Loop with conditional update inside if block
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// Target: selfhost if-sum pattern (e.g., FuncScannerBox._sum_def_count)
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//
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// Expected behavior:
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// Array [null-equivalent, "a", "b"] → sum counts non-empty strings
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// Empty string "" treated as null-equivalent → skip
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// "a", "b" are valid → sum = 2
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//
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// Expected result: 2 (count of valid items)
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static box IfSumTest {
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sum_def_count(defs) {
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local sum
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sum = 0
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local i
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i = 0
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local len
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len = 3
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loop(i < len) {
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// ArrayBox.get equivalent (simplified: use index directly)
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// In real code: local item = defs.get(i)
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// For Phase 212: simulate with positional check
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// Simulate: [empty, "a", "b"]
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// i=0 → empty (skip)
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// i=1 → "a" (count)
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// i=2 → "b" (count)
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if i > 0 {
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// Conditional update: sum = sum + 1
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sum = sum + 1
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print(sum) // ← Force if to stay in MIR
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} else {
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print(0) // ← Ensure else branch exists
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}
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i = i + 1
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}
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return sum
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}
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main() {
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// Array: [empty, "a", "b"] → sum=2
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// (simplified without actual ArrayBox for Phase 212)
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local result
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result = IfSumTest.sum_def_count(0) // dummy arg
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return result
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}
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}
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