b6ed6295a3
Phase 180-3: Extract Pattern2 Trim/P5 logic to dedicated module Changes: - Pattern2: Delegated Trim processing to TrimLoopLowerer (~160 lines removed) - Pattern2: Simplified to ~25 lines of delegation code - TrimLoopLowerer: Implemented full logic from Pattern2 (lines 180-340) - Net reduction: -135 lines in Pattern2 (371 lines total) Implementation: - LoopConditionScopeBox + LoopBodyCarrierPromoter integration - Carrier initialization code generation (substring + whitespace check) - Trim break condition replacement (!is_carrier) - ConditionEnv bindings setup (carrier + original variable) Testing: - cargo build --release: SUCCESS (0 errors, warnings only) - All existing Pattern2 tests: PASS - No behavior changes, refactoring only
60 lines
2.8 KiB
Rust
60 lines
2.8 KiB
Rust
//! Pattern lowerers for different loop constructs
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//!
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//! Phase 2: Extracted from control_flow.rs
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//! - Pattern 1: Simple While Loop (pattern1_minimal.rs)
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//! - Pattern 2: Loop with Conditional Break (pattern2_with_break.rs)
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//! - Pattern 3: Loop with If-Else PHI (pattern3_with_if_phi.rs)
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//! - Pattern 4: Loop with Continue (pattern4_with_continue.rs) [Phase 194+]
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//!
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//! Phase 194: Table-driven router for pattern dispatch
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//! - Router module provides table-driven pattern matching
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//! - Each pattern exports can_lower() and lower() functions
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//! - See router.rs for how to add new patterns
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//!
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//! Phase 193: AST Feature Extraction Modularization
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//! - ast_feature_extractor.rs: Pure function module for analyzing loop AST
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//! - High reusability for Pattern 5-6 and pattern analysis tools
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//!
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//! Phase 193-4: Exit Binding Builder
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//! - exit_binding.rs: Fully boxified exit binding generation
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//! - Eliminates hardcoded variable names and ValueId assumptions
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//! - Supports both single and multi-carrier loop patterns
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//!
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//! Phase 33-22: Common Pattern Infrastructure
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//! - common_init.rs: CommonPatternInitializer for unified initialization
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//! - conversion_pipeline.rs: JoinIRConversionPipeline for unified conversion flow
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//!
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//! Phase 171-172: Refactoring Infrastructure
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//! - loop_scope_shape_builder.rs: Unified LoopScopeShape initialization (Issue 4)
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//! - condition_env_builder.rs: Unified ConditionEnv construction (Issue 5)
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//!
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//! Phase 33-23: Pattern-Specific Analyzers (Stage 2)
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//! - pattern4_carrier_analyzer.rs: Pattern 4 carrier analysis and normalization (Issue 2)
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//!
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//! Stage 3 + Issue 1: Trim Pattern Extraction
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//! - trim_pattern_validator.rs: Trim pattern validation and whitespace check generation
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//! - trim_pattern_lowerer.rs: Trim-specific JoinIR lowering
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//!
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//! Phase 179-B: Generic Pattern Framework
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//! - pattern_pipeline.rs: Unified preprocessing pipeline for Patterns 1-4
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pub(in crate::mir::builder) mod ast_feature_extractor;
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pub(in crate::mir::builder) mod common_init;
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pub(in crate::mir::builder) mod condition_env_builder;
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pub(in crate::mir::builder) mod conversion_pipeline;
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pub(in crate::mir::builder) mod exit_binding;
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pub(in crate::mir::builder) mod loop_scope_shape_builder;
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pub(in crate::mir::builder) mod pattern_pipeline;
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pub(in crate::mir::builder) mod pattern1_minimal;
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pub(in crate::mir::builder) mod pattern2_with_break;
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pub(in crate::mir::builder) mod pattern3_with_if_phi;
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pub(in crate::mir::builder) mod pattern4_carrier_analyzer;
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pub(in crate::mir::builder) mod pattern4_with_continue;
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pub(in crate::mir::builder) mod router;
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pub(in crate::mir::builder) mod trim_loop_lowering; // Phase 180: Dedicated Trim/P5 lowering module
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pub(in crate::mir::builder) mod trim_pattern_validator;
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pub(in crate::mir::builder) mod trim_pattern_lowerer;
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// Re-export router for convenience
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pub(in crate::mir::builder) use router::{route_loop_pattern, LoopPatternContext};
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