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refactor: modularize shape_guard.rs and separate canonicalizer tests

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shape_guard.rs (1401 lines → 6 files):
- pattern2.rs: Break-loop patterns (132 lines)
- pattern3.rs: If-sum patterns (67 lines)
- pattern4.rs: Continue patterns (152 lines)
- selfhost.rs: Selfhost-specific detectors (245 lines)
- utils.rs: Shared helpers (33 lines)
- mod.rs: API coordination & tests (776 lines)

canonicalizer.rs (1863 lines → 433 lines):
- Separated 1430 lines of tests to canonicalizer_tests.rs

Benefits:
- Improved maintainability (smaller, focused files)
- Clear separation of concerns (pattern families)
- Preserved API compatibility (re-exports)
- No new warnings

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

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
tomoaki
2025-12-20 07:29:26 +09:00
parent 077657b7a1
commit cb8a6984d4
11 changed files with 2949 additions and 2831 deletions
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1401
src/mir/join_ir/normalized/shape_guard.rs
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src/mir/join_ir/normalized/shape_guard/README.md Normal file
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# Shape Guard Module Structure
This directory contains the modularized shape detection system for JoinIR pattern recognition.
## Directory Structure
```
shape_guard/
├── mod.rs # Main module - re-exports & public API (28KB, ~760 lines)
├── pattern2.rs # Pattern 2 detectors (simple break-loop) (4KB, ~134 lines)
├── pattern3.rs # Pattern 3 detectors (if-sum patterns) (2.3KB, ~68 lines)
├── pattern4.rs # Pattern 4 detectors (continue patterns) (6.2KB, ~168 lines)
├── selfhost.rs # Selfhost-specific P2/P3 detectors (8.3KB, ~231 lines)
└── utils.rs # Shared utility functions (1.2KB, ~35 lines)
```
**Total**: ~1405 lines (previously 1401 lines in single file)
## Module Responsibilities
### `mod.rs`
- Public API and type definitions (`ShapeCapabilityKind`, `NormalizedDevShape`, etc.)
- Shape detection coordination (`detect_shapes`, `canonical_shapes`, etc.)
- Capability mapping (`capability_for_shape`)
- Re-exports all detector functions to maintain backward compatibility
- Comprehensive test suite
### `pattern2.rs`
Pattern 2 shape detectors (simple break-loop patterns):
- `is_pattern1_mini` / `is_pattern2_mini` - Core P2 patterns
- `is_jsonparser_skip_ws_mini` / `is_jsonparser_skip_ws_real` - Skip whitespace variants
- `is_jsonparser_atoi_mini` / `is_jsonparser_atoi_real` - ASCII to integer variants
- `is_jsonparser_parse_number_real` - Number parsing
### `pattern3.rs`
Pattern 3 shape detectors (if-sum patterns with conditional carrier updates):
- `is_pattern3_if_sum_minimal` - Core P3 detection logic
- `is_pattern3_if_sum_multi` - Multi-carrier variant
- `is_pattern3_if_sum_json` - JsonParser variant
### `pattern4.rs`
Pattern 4 shape detectors (continue patterns with loop-internal control flow):
- `is_pattern4_continue_minimal` - Core P4 detection (Phase 89 tightened)
- `is_jsonparser_parse_array_continue_skip_ws` - Array parsing with continue
- `is_jsonparser_parse_object_continue_skip_ws` - Object parsing with continue
- `is_pattern_continue_return_minimal` - Continue + Early Return (Phase 89)
- `is_parse_string_composite_minimal` - Variable step increment (Phase 90)
### `selfhost.rs`
Selfhost-specific shape detectors:
- P2 family:
- `is_selfhost_token_scan_p2` / `is_selfhost_token_scan_p2_accum` - Token scanning
- `is_selfhost_args_parse_p2` - Argument parsing (Phase 53)
- `is_selfhost_verify_schema_p2` - Schema verification (Phase 54)
- P3 family:
- `is_selfhost_if_sum_p3` / `is_selfhost_if_sum_p3_ext` - If-sum patterns
- `is_selfhost_stmt_count_p3` - Statement counting (Phase 53)
- `is_selfhost_detect_format_p3` - Format detection (Phase 54)
- Helper functions:
- `is_selfhost_p2_core_family_candidate` - Structural signature for P2
- `is_selfhost_p3_if_sum_family_candidate` - Structural signature for P3
### `utils.rs`
Shared utility functions:
- `name_guard_exact` - Name-based shape filtering
- `find_loop_step` - Find loop_step function in module
- `count_compare_ops` - Count Compare operations with specific operator
## Design Principles
### Single Responsibility
Each file handles one pattern family, making it easier to:
- Understand the detection logic for a specific pattern
- Modify or extend pattern detection
- Test individual patterns in isolation
### Backward Compatibility
All public APIs are maintained through re-exports in `mod.rs`:
- Existing code continues to work without changes
- All tests pass with no modifications
### Clear Separation
- **Pattern detection**: Pattern-specific files (pattern2-4, selfhost)
- **Shared logic**: utils.rs
- **API & coordination**: mod.rs
## Testing
All tests are in `mod.rs` to keep them close to the public API. Tests verify:
- Individual pattern detection
- Shape detection coordination
- Disambiguation between similar patterns
- Rejection of mismatched patterns
## Migration Notes
**Phase 195**: Modularized from single 1401-line file to 6 organized files.
**Changes**:
- File split into pattern-based modules
- All APIs re-exported to maintain compatibility
- Tests remain in mod.rs
- Build succeeds with no new warnings
- Total line count: 1405 (4 lines added for module declarations)
**Benefits**:
- Improved maintainability (each file < 250 lines)
- Clearer code organization
- Easier to add new patterns
- Better testability

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#![cfg(feature = "normalized_dev")]
//! Shape guard system - Pattern detection and capability-based routing
//!
//! This module is organized into pattern-based submodules:
//! - `pattern2`: Simple break-loop patterns (P2 core)
//! - `pattern3`: If-sum patterns with conditional carrier updates
//! - `pattern4`: Continue patterns with loop-internal control flow
//! - `selfhost`: Selfhost-specific P2/P3 patterns
//! - `utils`: Shared utility functions
use crate::config::env::joinir_dev_enabled;
use crate::mir::join_ir::normalized::dev_env;
use crate::mir::join_ir::JoinModule;
mod pattern2;
mod pattern3;
mod pattern4;
mod selfhost;
mod utils;
// Re-export all detector functions to maintain the existing API
pub(crate) use pattern2::{
is_jsonparser_atoi_mini, is_jsonparser_atoi_real, is_jsonparser_parse_number_real,
is_jsonparser_skip_ws_mini, is_jsonparser_skip_ws_real,
};
pub(crate) use pattern3::{
is_pattern3_if_sum_json, is_pattern3_if_sum_minimal, is_pattern3_if_sum_multi,
};
pub(crate) use pattern4::{
is_jsonparser_parse_array_continue_skip_ws, is_jsonparser_parse_object_continue_skip_ws,
is_parse_string_composite_minimal, is_pattern4_continue_minimal,
is_pattern_continue_return_minimal,
};
pub(crate) use selfhost::{
is_selfhost_args_parse_p2, is_selfhost_detect_format_p3, is_selfhost_if_sum_p3,
is_selfhost_if_sum_p3_ext, is_selfhost_stmt_count_p3, is_selfhost_token_scan_p2,
is_selfhost_token_scan_p2_accum, is_selfhost_verify_schema_p2,
};
/// Phase 44: Shape capability kinds (capability-based routing)
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum ShapeCapabilityKind {
/// P2 Core: Simple mini patterns (i/acc/n etc)
P2CoreSimple,
/// P2 Core: skip_whitespace mini/real
P2CoreSkipWs,
/// P2 Core: _atoi mini/real
P2CoreAtoi,
/// P2 Mid: _parse_number real (p + num_str + result)
P2MidParseNumber,
/// P3 If-Sum family (minimal/multi/json)
P3IfSum,
/// P4 Continue (skip whitespace) family
P4ContinueSkipWs,
/// P4 Continue + Early Return family (Phase 89)
P4ContinueEarlyReturn,
/// Composite Parse String (continue + early return + variable step) (Phase 90)
CompositeParseString,
/// Selfhost P2 core (token scan)
SelfhostP2Core,
/// Selfhost P3 if-sum family
SelfhostP3IfSum,
// Future: Other P2 patterns
// P2MidAtOfLoop,
// P2HeavyString,
}
/// Phase 44: Shape capability descriptor
#[derive(Debug, Clone)]
pub struct ShapeCapability {
pub kind: ShapeCapabilityKind,
// Future extensibility fields (not all used yet):
// pub pattern_kind: LoopPatternKind,
// pub loop_param_count: usize,
// pub carrier_roles: Vec<CarrierRole>,
// pub method_calls: Vec<MethodCallSignature>,
}
impl ShapeCapability {
pub fn new(kind: ShapeCapabilityKind) -> Self {
Self { kind }
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum NormalizedDevShape {
Pattern1Mini,
Pattern2Mini,
JsonparserSkipWsMini,
JsonparserSkipWsReal,
JsonparserAtoiMini,
JsonparserAtoiReal,
JsonparserParseNumberReal,
// Phase 47-A: Pattern3 (if-sum) minimal
Pattern3IfSumMinimal,
// Phase 47-B: Pattern3 extended (multi/json)
Pattern3IfSumMulti,
Pattern3IfSumJson,
// Phase 48-A: Pattern4 (continue) minimal
Pattern4ContinueMinimal,
// Phase 48-B: Pattern4 (continue) JsonParser skip_ws (array/object)
JsonparserParseArrayContinueSkipWs,
JsonparserParseObjectContinueSkipWs,
// Phase 50: selfhost P2/P3 dev shapes
SelfhostTokenScanP2,
SelfhostIfSumP3,
// Phase 51: selfhost P2/P3 dev extensions
SelfhostTokenScanP2Accum,
SelfhostIfSumP3Ext,
// Phase 53: selfhost P2/P3 practical variations
SelfhostArgsParseP2,
SelfhostStmtCountP3,
// Phase 54: selfhost P2/P3 shape growth (structural axis expansion)
SelfhostVerifySchemaP2,
SelfhostDetectFormatP3,
// Phase 89: Continue + Early Return pattern (dev-only)
PatternContinueReturnMinimal,
// Phase 90: Parse String Composite pattern (dev-only: continue + early return + variable step)
ParseStringCompositeMinimal,
}
type Detector = fn(&JoinModule) -> bool;
const SHAPE_DETECTORS: &[(NormalizedDevShape, Detector)] = &[
(NormalizedDevShape::Pattern1Mini, pattern2::is_pattern1_mini),
(NormalizedDevShape::Pattern2Mini, pattern2::is_pattern2_mini),
(
NormalizedDevShape::JsonparserSkipWsMini,
pattern2::is_jsonparser_skip_ws_mini,
),
(
NormalizedDevShape::JsonparserSkipWsReal,
pattern2::is_jsonparser_skip_ws_real,
),
(
NormalizedDevShape::JsonparserAtoiMini,
pattern2::is_jsonparser_atoi_mini,
),
(
NormalizedDevShape::JsonparserAtoiReal,
pattern2::is_jsonparser_atoi_real,
),
(
NormalizedDevShape::JsonparserParseNumberReal,
pattern2::is_jsonparser_parse_number_real,
),
(
NormalizedDevShape::SelfhostTokenScanP2,
selfhost::is_selfhost_token_scan_p2,
),
(
NormalizedDevShape::SelfhostTokenScanP2Accum,
selfhost::is_selfhost_token_scan_p2_accum,
),
// Phase 47-A: Pattern3 if-sum minimal
(
NormalizedDevShape::Pattern3IfSumMinimal,
pattern3::is_pattern3_if_sum_minimal,
),
(
NormalizedDevShape::Pattern3IfSumMulti,
pattern3::is_pattern3_if_sum_multi,
),
(
NormalizedDevShape::Pattern3IfSumJson,
pattern3::is_pattern3_if_sum_json,
),
// Phase 48-A: Pattern4 continue minimal
(
NormalizedDevShape::Pattern4ContinueMinimal,
pattern4::is_pattern4_continue_minimal,
),
(
NormalizedDevShape::JsonparserParseArrayContinueSkipWs,
pattern4::is_jsonparser_parse_array_continue_skip_ws,
),
(
NormalizedDevShape::JsonparserParseObjectContinueSkipWs,
pattern4::is_jsonparser_parse_object_continue_skip_ws,
),
(
NormalizedDevShape::SelfhostIfSumP3,
selfhost::is_selfhost_if_sum_p3,
),
(
NormalizedDevShape::SelfhostIfSumP3Ext,
selfhost::is_selfhost_if_sum_p3_ext,
),
// Phase 53: selfhost P2/P3 practical variations
(
NormalizedDevShape::SelfhostArgsParseP2,
selfhost::is_selfhost_args_parse_p2,
),
(
NormalizedDevShape::SelfhostStmtCountP3,
selfhost::is_selfhost_stmt_count_p3,
),
// Phase 54: selfhost P2/P3 shape growth
(
NormalizedDevShape::SelfhostVerifySchemaP2,
selfhost::is_selfhost_verify_schema_p2,
),
(
NormalizedDevShape::SelfhostDetectFormatP3,
selfhost::is_selfhost_detect_format_p3,
),
// Phase 89: Continue + Early Return pattern
(
NormalizedDevShape::PatternContinueReturnMinimal,
pattern4::is_pattern_continue_return_minimal,
),
// Phase 90: Parse String Composite pattern
(
NormalizedDevShape::ParseStringCompositeMinimal,
pattern4::is_parse_string_composite_minimal,
),
];
/// direct ブリッジで扱う shape（dev 限定）。
pub(crate) fn direct_shapes(module: &JoinModule) -> Vec<NormalizedDevShape> {
let shapes = detect_shapes(module);
log_shapes("direct", &shapes);
shapes
}
/// Structured→Normalized の対象 shape（dev 限定）。
pub(crate) fn supported_shapes(module: &JoinModule) -> Vec<NormalizedDevShape> {
let shapes = detect_shapes(module);
log_shapes("roundtrip", &shapes);
shapes
}
/// Phase 44: Map NormalizedDevShape to ShapeCapability
pub fn capability_for_shape(shape: &NormalizedDevShape) -> ShapeCapability {
use NormalizedDevShape::*;
use ShapeCapabilityKind::*;
let kind = match shape {
Pattern2Mini => P2CoreSimple,
JsonparserSkipWsMini | JsonparserSkipWsReal => P2CoreSkipWs,
JsonparserAtoiMini | JsonparserAtoiReal => P2CoreAtoi,
JsonparserParseNumberReal => P2MidParseNumber,
Pattern1Mini => P2CoreSimple, // Also core simple pattern
// Phase 47-B: P3 if-sum family
Pattern3IfSumMinimal | Pattern3IfSumMulti | Pattern3IfSumJson => P3IfSum,
// Phase 48-A/B: P4 continue family
Pattern4ContinueMinimal
| JsonparserParseArrayContinueSkipWs
| JsonparserParseObjectContinueSkipWs => P4ContinueSkipWs,
// Phase 50: selfhost P2/P3 dev shapes
SelfhostTokenScanP2 | SelfhostTokenScanP2Accum => SelfhostP2Core,
SelfhostIfSumP3 | SelfhostIfSumP3Ext => SelfhostP3IfSum,
// Phase 53: selfhost P2/P3 practical variations
SelfhostArgsParseP2 => SelfhostP2Core,
SelfhostStmtCountP3 => SelfhostP3IfSum,
// Phase 54: selfhost P2/P3 shape growth
SelfhostVerifySchemaP2 => SelfhostP2Core,
SelfhostDetectFormatP3 => SelfhostP3IfSum,
// Phase 89: Continue + Early Return pattern (dev-only, dedicated capability)
PatternContinueReturnMinimal => P4ContinueEarlyReturn,
// Phase 90: Parse String Composite pattern (dev-only, dedicated capability)
ParseStringCompositeMinimal => CompositeParseString,
};
ShapeCapability::new(kind)
}
/// Phase 46+: Canonical shapes that ALWAYS use Normalized→MIR(direct)
/// regardless of feature flags or mode.
///
/// Canonical set (Phase 48-C):
/// - P2-Core: Pattern2Mini, JsonparserSkipWsMini, JsonparserSkipWsReal, JsonparserAtoiMini
/// - P2-Mid: JsonparserAtoiReal, JsonparserParseNumberReal
/// - P3: Pattern3 If-sum minimal/multi/json
/// - P4: Pattern4 continue minimal + JsonParser skip_ws (array/object)
pub fn is_canonical_shape(shape: &NormalizedDevShape) -> bool {
use NormalizedDevShape::*;
matches!(
shape,
Pattern2Mini
| JsonparserSkipWsMini
| JsonparserSkipWsReal
| JsonparserAtoiMini
// Phase 46: Add P2-Mid patterns
| JsonparserAtoiReal
| JsonparserParseNumberReal
// Phase 47-C: P3 if-sum canonical set
| Pattern3IfSumMinimal
| Pattern3IfSumMulti
| Pattern3IfSumJson
// Phase 48-C: P4 continue canonical set
| Pattern4ContinueMinimal
| JsonparserParseArrayContinueSkipWs
| JsonparserParseObjectContinueSkipWs
)
}
/// Phase 44: Check if capability kind is in P2-Core family
///
/// This checks capability-level membership, not granular canonical status.
/// Use `is_canonical_shape()` for exact canonical filtering.
pub fn is_p2_core_capability(cap: &ShapeCapability) -> bool {
use ShapeCapabilityKind::*;
matches!(
cap.kind,
P2CoreSimple
| P2CoreSkipWs
| P2CoreAtoi
| P2MidParseNumber
| P3IfSum
| P4ContinueSkipWs
| P4ContinueEarlyReturn
| CompositeParseString
| SelfhostP2Core
| SelfhostP3IfSum
)
}
/// Phase 44: Check if capability is supported by Normalized dev
pub fn is_supported_by_normalized(cap: &ShapeCapability) -> bool {
// Currently same as P2-Core family
is_p2_core_capability(cap)
}
/// canonical（常時 Normalized 経路を通す）対象。
/// Phase 46: Extract canonical shapes from JoinModule.
///
/// Canonical set (P2-Core + P2-Mid):
/// - Pattern2Mini, skip_ws mini/real, atoi mini/real, parse_number real
///
/// These shapes ALWAYS use Normalized→MIR(direct) regardless of mode.
/// P3/P4 patterns are NOT canonical (future NORM-P3/NORM-P4 phases).
pub(crate) fn canonical_shapes(module: &JoinModule) -> Vec<NormalizedDevShape> {
let shapes: Vec<_> = detect_shapes(module)
.into_iter()
.filter(|s| is_canonical_shape(s))
.collect();
log_shapes("canonical", &shapes);
shapes
}
#[allow(dead_code)]
pub(crate) fn is_direct_supported(module: &JoinModule) -> bool {
!detect_shapes(module).is_empty()
}
pub fn detect_shapes(module: &JoinModule) -> Vec<NormalizedDevShape> {
let mut shapes: Vec<_> = SHAPE_DETECTORS
.iter()
.filter_map(|(shape, detector)| if detector(module) { Some(*shape) } else { None })
.collect();
// Pattern1 は「最小の後方互換」なので、より具体的な shape が見つかった場合は外しておく。
if shapes.len() > 1 {
shapes.retain(|s| *s != NormalizedDevShape::Pattern1Mini);
}
// selfhost shapesは canonical P2/P3 の generic 判定から分離する
if shapes.contains(&NormalizedDevShape::SelfhostTokenScanP2)
|| shapes.contains(&NormalizedDevShape::SelfhostTokenScanP2Accum)
|| shapes.contains(&NormalizedDevShape::SelfhostArgsParseP2)
|| shapes.contains(&NormalizedDevShape::SelfhostVerifySchemaP2)
{
shapes.retain(|s| {
*s != NormalizedDevShape::Pattern2Mini
&& *s != NormalizedDevShape::Pattern4ContinueMinimal
});
}
if shapes.contains(&NormalizedDevShape::SelfhostIfSumP3)
|| shapes.contains(&NormalizedDevShape::SelfhostIfSumP3Ext)
|| shapes.contains(&NormalizedDevShape::SelfhostStmtCountP3)
|| shapes.contains(&NormalizedDevShape::SelfhostDetectFormatP3)
{
shapes.retain(|s| {
!matches!(
s,
NormalizedDevShape::Pattern3IfSumMinimal
| NormalizedDevShape::Pattern3IfSumMulti
| NormalizedDevShape::Pattern3IfSumJson
| NormalizedDevShape::Pattern4ContinueMinimal
)
});
}
shapes
}
fn log_shapes(tag: &str, shapes: &[NormalizedDevShape]) {
if shapes.is_empty() {
return;
}
if dev_env::normalized_dev_logs_enabled() && joinir_dev_enabled() {
eprintln!("[joinir/normalized-dev/shape] {}: {:?}", tag, shapes);
}
}
#[cfg(test)]
mod tests {
use super::*;
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_pattern3_if_sum_minimal_shape() {
use crate::mir::join_ir::normalized::fixtures::build_pattern3_if_sum_min_structured_for_normalized_dev;
let module = build_pattern3_if_sum_min_structured_for_normalized_dev();
// Should detect Pattern3IfSumMinimal shape
assert!(
pattern3::is_pattern3_if_sum_minimal(&module),
"pattern3_if_sum_minimal fixture should be detected"
);
let shapes = detect_shapes(&module);
assert!(
shapes.contains(&NormalizedDevShape::Pattern3IfSumMinimal),
"detect_shapes() should include Pattern3IfSumMinimal, got: {:?}",
shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_selfhost_p2_core_structural_candidate_signature() {
use crate::mir::join_ir::normalized::fixtures::{
build_jsonparser_skip_ws_structured_for_normalized_dev,
build_pattern2_minimal_structured,
build_selfhost_token_scan_p2_accum_structured_for_normalized_dev,
build_selfhost_token_scan_p2_structured_for_normalized_dev,
};
let selfhost_p2 = build_selfhost_token_scan_p2_structured_for_normalized_dev();
let selfhost_p2_accum = build_selfhost_token_scan_p2_accum_structured_for_normalized_dev();
let json_p2 = build_jsonparser_skip_ws_structured_for_normalized_dev();
let canonical_p2_min = build_pattern2_minimal_structured();
assert!(
selfhost::is_selfhost_p2_core_family_candidate(&selfhost_p2),
"selfhost_token_scan_p2 should match structural candidate"
);
assert!(
selfhost::is_selfhost_p2_core_family_candidate(&selfhost_p2_accum),
"selfhost_token_scan_p2_accum should match structural candidate"
);
// Structural signature is intentionally ambiguous with JsonParser P2-mini family.
assert!(
selfhost::is_selfhost_p2_core_family_candidate(&json_p2),
"jsonparser_skip_ws_mini should also match P2 core candidate"
);
assert!(
!selfhost::is_selfhost_p2_core_family_candidate(&canonical_p2_min),
"canonical Pattern2Mini fixture should not match selfhost P2 candidate"
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_selfhost_p3_if_sum_structural_candidate_signature() {
use crate::mir::join_ir::normalized::fixtures::{
build_pattern3_if_sum_min_structured_for_normalized_dev,
build_pattern3_if_sum_multi_min_structured_for_normalized_dev,
build_selfhost_if_sum_p3_ext_structured_for_normalized_dev,
build_selfhost_if_sum_p3_structured_for_normalized_dev,
};
let selfhost_p3 = build_selfhost_if_sum_p3_structured_for_normalized_dev();
let selfhost_p3_ext = build_selfhost_if_sum_p3_ext_structured_for_normalized_dev();
let canonical_p3_min = build_pattern3_if_sum_min_structured_for_normalized_dev();
let canonical_p3_multi = build_pattern3_if_sum_multi_min_structured_for_normalized_dev();
assert!(
selfhost::is_selfhost_p3_if_sum_family_candidate(&selfhost_p3),
"selfhost_if_sum_p3 should match structural candidate"
);
assert!(
selfhost::is_selfhost_p3_if_sum_family_candidate(&selfhost_p3_ext),
"selfhost_if_sum_p3_ext should match structural candidate"
);
assert!(
!selfhost::is_selfhost_p3_if_sum_family_candidate(&canonical_p3_min),
"canonical P3 minimal should not match selfhost P3 candidate"
);
assert!(
!selfhost::is_selfhost_p3_if_sum_family_candidate(&canonical_p3_multi),
"canonical P3 multi should not match selfhost P3 candidate"
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_selfhost_token_scan_p2_shape() {
use crate::mir::join_ir::normalized::fixtures::build_selfhost_token_scan_p2_structured_for_normalized_dev;
let module = build_selfhost_token_scan_p2_structured_for_normalized_dev();
let shapes = detect_shapes(&module);
assert!(
shapes.contains(&NormalizedDevShape::SelfhostTokenScanP2),
"selfhost_token_scan_p2 shape missing: {:?}",
shapes
);
assert!(
!shapes.contains(&NormalizedDevShape::Pattern2Mini),
"selfhost_token_scan_p2 should not be treated as canonical Pattern2Mini: {:?}",
shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_selfhost_token_scan_p2_accum_shape() {
use crate::mir::join_ir::normalized::fixtures::build_selfhost_token_scan_p2_accum_structured_for_normalized_dev;
let module = build_selfhost_token_scan_p2_accum_structured_for_normalized_dev();
let shapes = detect_shapes(&module);
assert!(
shapes.contains(&NormalizedDevShape::SelfhostTokenScanP2Accum),
"selfhost_token_scan_p2_accum shape missing: {:?}",
shapes
);
assert!(
!shapes.contains(&NormalizedDevShape::Pattern2Mini),
"selfhost_token_scan_p2_accum should not be treated as canonical Pattern2Mini: {:?}",
shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_selfhost_if_sum_p3_shape() {
use crate::mir::join_ir::normalized::fixtures::build_selfhost_if_sum_p3_structured_for_normalized_dev;
let module = build_selfhost_if_sum_p3_structured_for_normalized_dev();
let shapes = detect_shapes(&module);
assert!(
shapes.contains(&NormalizedDevShape::SelfhostIfSumP3),
"selfhost_if_sum_p3 shape missing: {:?}",
shapes
);
assert!(
!shapes
.iter()
.any(|s| matches!(s, NormalizedDevShape::Pattern3IfSumMinimal)),
"selfhost_if_sum_p3 should not rely on canonical P3 minimal detection: {:?}",
shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_selfhost_if_sum_p3_ext_shape() {
use crate::mir::join_ir::normalized::fixtures::build_selfhost_if_sum_p3_ext_structured_for_normalized_dev;
let module = build_selfhost_if_sum_p3_ext_structured_for_normalized_dev();
let shapes = detect_shapes(&module);
assert!(
shapes.contains(&NormalizedDevShape::SelfhostIfSumP3Ext),
"selfhost_if_sum_p3_ext shape missing: {:?}",
shapes
);
assert!(
!shapes.iter().any(|s| matches!(
s,
NormalizedDevShape::Pattern3IfSumMinimal
| NormalizedDevShape::Pattern3IfSumMulti
| NormalizedDevShape::Pattern3IfSumJson
)),
"selfhost_if_sum_p3_ext should not rely on canonical P3 detection: {:?}",
shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_pattern4_continue_minimal_shape() {
use crate::mir::join_ir::normalized::fixtures::build_pattern4_continue_min_structured_for_normalized_dev;
let module = build_pattern4_continue_min_structured_for_normalized_dev();
// Should detect Pattern4ContinueMinimal shape
assert!(
pattern4::is_pattern4_continue_minimal(&module),
"pattern4_continue_minimal fixture should be detected"
);
let shapes = detect_shapes(&module);
assert!(
shapes.contains(&NormalizedDevShape::Pattern4ContinueMinimal),
"detect_shapes() should include Pattern4ContinueMinimal, got: {:?}",
shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_detect_pattern4_jsonparser_continue_shapes() {
use crate::mir::join_ir::normalized::fixtures::{
build_jsonparser_parse_array_continue_skip_ws_structured_for_normalized_dev,
build_jsonparser_parse_object_continue_skip_ws_structured_for_normalized_dev,
};
let array = build_jsonparser_parse_array_continue_skip_ws_structured_for_normalized_dev();
assert!(
pattern4::is_jsonparser_parse_array_continue_skip_ws(&array),
"array continue fixture should be detected"
);
let array_shapes = detect_shapes(&array);
assert!(
array_shapes.contains(&NormalizedDevShape::JsonparserParseArrayContinueSkipWs),
"array continue shape missing, got {:?}",
array_shapes
);
let object = build_jsonparser_parse_object_continue_skip_ws_structured_for_normalized_dev();
assert!(
pattern4::is_jsonparser_parse_object_continue_skip_ws(&object),
"object continue fixture should be detected"
);
let object_shapes = detect_shapes(&object);
assert!(
object_shapes.contains(&NormalizedDevShape::JsonparserParseObjectContinueSkipWs),
"object continue shape missing, got {:?}",
object_shapes
);
}
#[cfg(feature = "normalized_dev")]
#[test]
fn test_pattern4_detector_rejects_loop_with_return() {
// Phase 89: Verify that Pattern4 detector does NOT match
// modules with loop-internal return (continue + early return pattern)
use crate::mir::join_ir::{JoinFuncId, JoinFunction, JoinModule};
use crate::mir::ValueId;
use std::collections::BTreeMap;
// Minimal module with loop + continue + return
// (this would be the ContinueReturn pattern, NOT Pattern4)
let mut functions = BTreeMap::new();
// Entry function
let entry_func = JoinFunction {
id: JoinFuncId::new(0),
name: "loop_with_return_test".to_string(),
params: vec![ValueId(0)],
body: vec![
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Const {
dst: ValueId(1),
value: crate::mir::join_ir::ConstValue::Integer(0),
}),
JoinInst::Call {
func: JoinFuncId::new(1),
args: vec![ValueId(1), ValueId(1), ValueId(0)],
k_next: None,
dst: Some(ValueId(2)),
},
JoinInst::Ret {
value: Some(ValueId(2)),
},
],
exit_cont: None,
};
// loop_step function with TWO conditional Jumps (break + early return)
let loop_step_func = JoinFunction {
id: JoinFuncId::new(1),
name: "loop_step".to_string(),
params: vec![ValueId(0), ValueId(1), ValueId(2)],
body: vec![
// Compare for loop condition
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Compare {
dst: ValueId(10),
op: crate::mir::join_ir::CompareOp::Lt,
lhs: ValueId(0),
rhs: ValueId(2),
}),
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Const {
dst: ValueId(11),
value: crate::mir::join_ir::ConstValue::Bool(false),
}),
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Compare {
dst: ValueId(12),
op: crate::mir::join_ir::CompareOp::Eq,
lhs: ValueId(10),
rhs: ValueId(11),
}),
// First Jump: loop break
JoinInst::Jump {
cont: JoinFuncId::new(2).as_cont(),
args: vec![ValueId(1)],
cond: Some(ValueId(12)),
},
// Compare for early return condition
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Compare {
dst: ValueId(20),
op: crate::mir::join_ir::CompareOp::Eq,
lhs: ValueId(0),
rhs: ValueId(2),
}),
// Second Jump: early return (THIS MAKES IT NOT PATTERN4)
JoinInst::Jump {
cont: JoinFuncId::new(2).as_cont(),
args: vec![ValueId(1)],
cond: Some(ValueId(20)),
},
// Select (continue's core)
JoinInst::Select {
dst: ValueId(30),
cond: ValueId(20),
then_val: ValueId(1),
else_val: ValueId(1),
type_hint: None,
},
// Tail call (loop back)
JoinInst::Call {
func: JoinFuncId::new(1),
args: vec![ValueId(0), ValueId(30), ValueId(2)],
k_next: None,
dst: Some(ValueId(40)),
},
JoinInst::Ret {
value: Some(ValueId(40)),
},
],
exit_cont: None,
};
// k_exit function
let k_exit_func = JoinFunction {
id: JoinFuncId::new(2),
name: "k_exit".to_string(),
params: vec![ValueId(0)],
body: vec![JoinInst::Ret {
value: Some(ValueId(0)),
}],
exit_cont: None,
};
functions.insert(JoinFuncId::new(0), entry_func);
functions.insert(JoinFuncId::new(1), loop_step_func);
functions.insert(JoinFuncId::new(2), k_exit_func);
let module = JoinModule {
functions,
entry: Some(JoinFuncId::new(0)),
phase: crate::mir::join_ir::JoinIrPhase::Structured,
};
// Phase 89: This should NOT be detected as Pattern4ContinueMinimal
// because it has TWO conditional Jumps (loop break + early return)
assert!(
!pattern4::is_pattern4_continue_minimal(&module),
"Module with loop-internal return should NOT match Pattern4ContinueMinimal"
);
let shapes = detect_shapes(&module);
assert!(
!shapes.contains(&NormalizedDevShape::Pattern4ContinueMinimal),
"Pattern4ContinueMinimal should not be detected for loop with return, got: {:?}",
shapes
);
}
}

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//! Pattern 2 shape detectors (simple break-loop patterns)
use super::utils::{find_loop_step, name_guard_exact};
use crate::mir::join_ir::{JoinInst, JoinModule};
pub(super) fn is_pattern2_mini(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_func = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if !(1..=3).contains(&loop_func.params.len()) {
return false;
}
let has_cond_jump = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
has_cond_jump && has_tail_call
}
pub(super) fn is_pattern1_mini(module: &JoinModule) -> bool {
module.is_structured() && find_loop_step(module).is_some()
}
pub(crate) fn is_jsonparser_skip_ws_mini(module: &JoinModule) -> bool {
is_pattern2_mini(module) && name_guard_exact(module, "jsonparser_skip_ws_mini")
}
pub(crate) fn is_jsonparser_skip_ws_real(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_func = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if !(2..=6).contains(&loop_func.params.len()) {
return false;
}
let has_cond_jump = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
has_cond_jump && has_tail_call && name_guard_exact(module, "jsonparser_skip_ws_real")
}
pub(crate) fn is_jsonparser_atoi_mini(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_func = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if !(3..=8).contains(&loop_func.params.len()) {
return false;
}
let has_cond_jump = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
has_cond_jump && has_tail_call && name_guard_exact(module, "jsonparser_atoi_mini")
}
pub(crate) fn is_jsonparser_atoi_real(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_func = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if !(3..=10).contains(&loop_func.params.len()) {
return false;
}
let has_cond_jump = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
has_cond_jump && has_tail_call && name_guard_exact(module, "jsonparser_atoi_real")
}
pub(crate) fn is_jsonparser_parse_number_real(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_func = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if !(3..=12).contains(&loop_func.params.len()) {
return false;
}
let has_cond_jump = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
has_cond_jump && has_tail_call && name_guard_exact(module, "jsonparser_parse_number_real")
}

67
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//! Pattern 3 shape detectors (if-sum patterns with conditional carrier updates)
use super::utils::{find_loop_step, name_guard_exact};
use crate::mir::join_ir::{JoinInst, JoinModule};
/// Phase 47-A: Check if module matches Pattern3 if-sum minimal shape
pub(crate) fn is_pattern3_if_sum_minimal(module: &JoinModule) -> bool {
// Structure-based detection (avoid name-based heuristics)
// Must have exactly 3 functions: main, loop_step, k_exit
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
// Find loop_step function
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// P3 characteristics:
// - Has Compare instruction (loop condition)
// - Has Select instruction (conditional carrier update: if-then-else)
// - Has tail call (Call with k_next: None)
let has_compare = loop_step.body.iter().any(|inst| {
matches!(
inst,
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Compare { .. })
)
});
// Phase 220: Select can be either JoinInst::Select or Compute(MirLikeInst::Select)
let has_select = loop_step.body.iter().any(|inst| match inst {
JoinInst::Select { .. } => true,
JoinInst::Compute(mir_inst) => {
matches!(mir_inst, crate::mir::join_ir::MirLikeInst::Select { .. })
}
_ => false,
});
let has_tail_call = loop_step
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
// P3 minimal/multi/json: typically 2-6 params (i + carriers + len/host)
let reasonable_param_count = (2..=6).contains(&loop_step.params.len());
has_compare && has_select && has_tail_call && reasonable_param_count
}
/// Phase 47-B: P3 if-sum (multi-carrier) shape detector
pub(crate) fn is_pattern3_if_sum_multi(module: &JoinModule) -> bool {
if !is_pattern3_if_sum_minimal(module) {
return false;
}
name_guard_exact(module, "pattern3_if_sum_multi_min")
}
/// Phase 47-B: P3 if-sum (JsonParser mini) shape detector
pub(crate) fn is_pattern3_if_sum_json(module: &JoinModule) -> bool {
if !is_pattern3_if_sum_minimal(module) {
return false;
}
name_guard_exact(module, "jsonparser_if_sum_min")
}

152
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//! Pattern 4 shape detectors (continue patterns with loop-internal control flow)
use super::utils::{find_loop_step, name_guard_exact};
use crate::mir::join_ir::normalized::loop_step_inspector::LoopStepInspector;
use crate::mir::join_ir::{JoinInst, JoinModule};
/// Phase 48-A: Check if module matches Pattern4 continue minimal shape
///
/// Phase 89: Tightened to prevent continue + early return misdetection:
/// - Requires at least one Select instruction (continue's core)
/// - Requires exactly one conditional Jump to k_exit (loop break, not early return)
pub(crate) fn is_pattern4_continue_minimal(module: &JoinModule) -> bool {
// Structure-based detection (avoid name-based heuristics)
// Must have exactly 3 functions: main, loop_step, k_exit
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
// Find loop_step function
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// P4 characteristics (use Inspector for common logic):
// - Has Compare instruction (loop condition or continue check)
// - Has Select instruction (continue's core - carrier switching)
// - Has tail call (loop back)
// - Has exactly one conditional Jump to k_exit (loop break only)
//
// Phase 89: Tightened to exclude loop-internal return patterns
let has_compare = LoopStepInspector::has_compare_instruction(loop_step);
let has_select = LoopStepInspector::has_select_instruction(loop_step);
let k_exit_jumps_count = LoopStepInspector::count_conditional_jumps(loop_step);
let has_tail_call = LoopStepInspector::has_tail_call(loop_step);
let reasonable_param_count = LoopStepInspector::has_reasonable_param_count(loop_step);
// Phase 89: Tightened conditions
has_compare
&& has_select
&& has_tail_call
&& reasonable_param_count
&& k_exit_jumps_count == 1 // Exactly one loop break (not early return)
}
pub(crate) fn is_jsonparser_parse_array_continue_skip_ws(module: &JoinModule) -> bool {
is_pattern4_continue_minimal(module)
&& name_guard_exact(module, "jsonparser_parse_array_continue_skip_ws")
}
pub(crate) fn is_jsonparser_parse_object_continue_skip_ws(module: &JoinModule) -> bool {
is_pattern4_continue_minimal(module)
&& name_guard_exact(module, "jsonparser_parse_object_continue_skip_ws")
}
/// Phase 89: Check if module matches Continue + Early Return pattern
///
/// Structural characteristics:
/// - 3 functions (main, loop_step, k_exit)
/// - Has Select instruction (continue's core)
/// - Has TWO or more conditional Jumps to k_exit (loop break + early return)
/// - Has Compare instruction
/// - Has tail call (loop back)
pub(crate) fn is_pattern_continue_return_minimal(module: &JoinModule) -> bool {
// Must have exactly 3 functions
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
// Find loop_step function
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// Continue + Return characteristics (use Inspector for common logic):
// - Has Select instruction (continue's core)
// - Has TWO or more conditional Jumps (loop break + early return)
// - Has Compare instruction
// - Has tail call (loop back)
let has_compare = LoopStepInspector::has_compare_instruction(loop_step);
let has_select = LoopStepInspector::has_select_instruction(loop_step);
let k_exit_jumps_count = LoopStepInspector::count_conditional_jumps(loop_step);
let has_tail_call = LoopStepInspector::has_tail_call(loop_step);
let reasonable_param_count = LoopStepInspector::has_reasonable_param_count(loop_step);
// Phase 89: Continue + Return pattern requires >= 2 conditional Jumps
has_compare
&& has_select
&& has_tail_call
&& reasonable_param_count
&& k_exit_jumps_count >= 2 // At least 2: loop break + early return
}
/// Phase 90: Check if module matches Parse String Composite pattern
///
/// Structural characteristics:
/// - 3 functions (main, loop_step, k_exit)
/// - Has Select instruction (continue's core)
/// - Has TWO or more conditional Jumps to k_exit (loop break + early return)
/// - Has Compare instruction
/// - Has tail call (loop back)
/// - Has variable step increment (distinguishing feature from ContinueReturn)
///
/// Distinguishing from ContinueReturn:
/// - ParseStringComposite has i+=2 in continue branch (escape character handling)
/// - ContinueReturn has i+=1 in continue branch
/// - Detection: Check for BinOp Add with const value 2 in loop body
pub(crate) fn is_parse_string_composite_minimal(module: &JoinModule) -> bool {
// Must match basic Continue + Return structure first
if !is_pattern_continue_return_minimal(module) {
return false;
}
// Find loop_step function
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// Additional check: Must have BinOp Add with const value 2 (escape handling)
// This distinguishes ParseStringComposite from generic ContinueReturn
let has_variable_step = loop_step.body.iter().any(|inst| match inst {
JoinInst::Compute(mir_inst) => match mir_inst {
crate::mir::join_ir::MirLikeInst::BinOp { op, rhs, .. } => {
// Check if it's Add operation
if *op != crate::mir::join_ir::BinOpKind::Add {
return false;
}
// Check if rhs is a const value 2 (indicating i+=2 for escape)
// We need to check if rhs points to a Const instruction with value 2
loop_step.body.iter().any(|other_inst| match other_inst {
JoinInst::Compute(crate::mir::join_ir::MirLikeInst::Const {
dst,
value,
}) => {
dst == rhs
&& matches!(value, crate::mir::join_ir::ConstValue::Integer(2))
}
_ => false,
})
}
_ => false,
},
_ => false,
});
has_variable_step
}

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//! Selfhost-specific shape detectors (P2/P3 selfhost patterns)
use super::utils::{count_compare_ops, find_loop_step, name_guard_exact};
use crate::mir::join_ir::{CompareOp, JoinInst, JoinModule};
/// Phase 52: Selfhost P2 core family structure signature (dev-only).
///
/// This is intentionally narrow to avoid swallowing generic P2 shapes:
/// - loop_step params: 3..=4 (i + host + 1..2 carriers)
/// - P2 break-loop skeleton (cond jump + tail call)
/// - no Select / BoxCall in body
pub(super) fn is_selfhost_p2_core_family_candidate(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_func = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if !(3..=4).contains(&loop_func.params.len()) {
return false;
}
let has_cond_jump = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_func
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
let has_select = loop_func.body.iter().any(|inst| match inst {
JoinInst::Select { .. } => true,
JoinInst::Compute(mir_inst) => {
matches!(mir_inst, crate::mir::join_ir::MirLikeInst::Select { .. })
}
_ => false,
});
let has_boxcall = loop_func.body.iter().any(|inst| match inst {
JoinInst::Compute(mir_inst) => {
matches!(mir_inst, crate::mir::join_ir::MirLikeInst::BoxCall { .. })
}
_ => false,
});
has_cond_jump && has_tail_call && !has_select && !has_boxcall
}
/// Phase 52: Selfhost P3 if-sum family structure signature (dev-only).
///
/// Note: current selfhost baseline is still P2-like (normalize_pattern2_minimal),
/// so the signature avoids requiring Select and focuses on the explicit break-if.
///
/// Distinguish selfhost P3 from canonical P3 by requiring:
/// - loop_step params == 4 (i + host + sum + count)
/// - an explicit Ge compare between params (break-if)
/// - P2/P3 loop skeleton (cond jump + tail call)
/// - no BoxCall in body
pub(super) fn is_selfhost_p3_if_sum_family_candidate(module: &JoinModule) -> bool {
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
if loop_step.params.len() != 4 {
return false;
}
let has_cond_jump = loop_step
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
let has_tail_call = loop_step
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
let param_set: std::collections::BTreeSet<_> = loop_step.params.iter().copied().collect();
let has_ge_compare_between_params = loop_step.body.iter().any(|inst| match inst {
JoinInst::Compute(mir_inst) => match mir_inst {
crate::mir::join_ir::MirLikeInst::Compare { op, lhs, rhs, .. } => {
*op == CompareOp::Ge && param_set.contains(lhs) && param_set.contains(rhs)
}
_ => false,
},
_ => false,
});
let has_boxcall = loop_step.body.iter().any(|inst| match inst {
JoinInst::Compute(mir_inst) => {
matches!(mir_inst, crate::mir::join_ir::MirLikeInst::BoxCall { .. })
}
_ => false,
});
has_cond_jump && has_tail_call && has_ge_compare_between_params && !has_boxcall
}
pub(crate) fn is_selfhost_token_scan_p2(module: &JoinModule) -> bool {
is_selfhost_p2_core_family_candidate(module) && name_guard_exact(module, "selfhost_token_scan_p2")
}
pub(crate) fn is_selfhost_token_scan_p2_accum(module: &JoinModule) -> bool {
is_selfhost_p2_core_family_candidate(module)
&& name_guard_exact(module, "selfhost_token_scan_p2_accum")
}
pub(crate) fn is_selfhost_if_sum_p3(module: &JoinModule) -> bool {
is_selfhost_p3_if_sum_family_candidate(module) && name_guard_exact(module, "selfhost_if_sum_p3")
}
pub(crate) fn is_selfhost_if_sum_p3_ext(module: &JoinModule) -> bool {
is_selfhost_p3_if_sum_family_candidate(module)
&& name_guard_exact(module, "selfhost_if_sum_p3_ext")
}
/// Phase 53: selfhost args-parse P2 detector (practical variation with string carrier)
///
/// Two-stage detection:
/// 1. Structural primary check (P2 break pattern, 1-3 carriers)
/// 2. dev-only name guard for final confirmation (ambiguity resolver)
pub(crate) fn is_selfhost_args_parse_p2(module: &JoinModule) -> bool {
// 1. Structural primary check (P2 core family)
if !is_selfhost_p2_core_family_candidate(module) {
return false;
}
// 2. dev-only name guard for final confirmation
name_guard_exact(module, "selfhost_args_parse_p2")
}
/// Phase 53: selfhost stmt-count P3 detector (practical variation with multi-branch if-else)
///
/// Two-stage detection:
/// 1. Structural primary check (P3 if-sum pattern, 2-10 carriers, multi-branch)
/// 2. dev-only name guard for final confirmation (ambiguity resolver)
pub(crate) fn is_selfhost_stmt_count_p3(module: &JoinModule) -> bool {
// 1. Structural primary check
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// Allow 2-10 carriers (5 statement counters: r/e/l/iff/lp + i)
let carrier_count = loop_step.params.len();
if !(2..=10).contains(&carrier_count) {
return false;
}
// Must have conditional jump (break pattern)
let has_cond_jump = loop_step
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
// Must have tail call (loop continuation)
let has_tail_call = loop_step
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Call { k_next: None, .. }));
if !has_cond_jump || !has_tail_call {
return false;
}
// 2. dev-only name guard for final confirmation
name_guard_exact(module, "selfhost_stmt_count_p3")
}
/// Phase 54: selfhost verify-schema P2 detector (Ne-heavy pattern, early return diversity)
///
/// Two-stage detection:
/// 1. Structural primary check (P2 break pattern, 2-3 carriers, Ne conditions)
/// 2. dev-only name guard for final confirmation (ambiguity resolver)
pub(crate) fn is_selfhost_verify_schema_p2(module: &JoinModule) -> bool {
// 1. Structural primary check (P2 core family)
if !is_selfhost_p2_core_family_candidate(module) {
return false;
}
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// verify_schema pattern: 2-3 carriers (ver + kind + host param)
let carrier_count = loop_step.params.len();
if !(2..=3).contains(&carrier_count) {
return false;
}
// Ne condition pattern (verify != expected)
let ne_count = count_compare_ops(module, CompareOp::Ne);
if ne_count < 1 {
return false; // Ne条件必須
}
// 2. dev-only name guard for final confirmation
name_guard_exact(module, "selfhost_verify_schema_p2")
}
/// Phase 54: selfhost detect-format P3 detector (String return branching, null check)
///
/// Two-stage detection:
/// 1. Structural primary check (P3 if-sum pattern, 2-4 carriers, conditional jump)
/// 2. dev-only name guard for final confirmation (ambiguity resolver)
pub(crate) fn is_selfhost_detect_format_p3(module: &JoinModule) -> bool {
// 1. Structural primary check
if !module.is_structured() || module.functions.len() != 3 {
return false;
}
let loop_step = match find_loop_step(module) {
Some(f) => f,
None => return false,
};
// Lightweight P3: 2-4 carriers (conditional branching 3-way + loop variable)
let carrier_count = loop_step.params.len();
if !(2..=4).contains(&carrier_count) {
return false;
}
// Conditional branching pattern (multiple if)
let has_cond_jump = loop_step
.body
.iter()
.any(|inst| matches!(inst, JoinInst::Jump { cond: Some(_), .. }));
if !has_cond_jump {
return false;
}
// 2. dev-only name guard for final confirmation
name_guard_exact(module, "selfhost_detect_format_p3")
}

33
src/mir/join_ir/normalized/shape_guard/utils.rs Normal file
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@ -0,0 +1,33 @@
//! Shared utility functions for shape detection
use crate::mir::join_ir::{CompareOp, JoinFuncId, JoinFunction, JoinInst, JoinModule};
/// Name-based guard: Check if module contains function with exact name
pub(super) fn name_guard_exact(module: &JoinModule, expected_name: &str) -> bool {
module.functions.values().any(|f| f.name == expected_name)
}
/// Find the loop_step function in the module
pub(super) fn find_loop_step(module: &JoinModule) -> Option<&JoinFunction> {
module
.functions
.values()
.find(|f| f.name == "loop_step")
.or_else(|| module.functions.get(&JoinFuncId::new(1)))
}
/// Count Compare operations with specific op
pub(super) fn count_compare_ops(module: &JoinModule, target_op: CompareOp) -> usize {
module
.functions
.values()
.flat_map(|f| &f.body)
.filter(|inst| match inst {
JoinInst::Compute(mir_inst) => match mir_inst {
crate::mir::join_ir::MirLikeInst::Compare { op, .. } => *op == target_op,
_ => false,
},
_ => false,
})
.count()
}

1430
src/mir/loop_canonicalizer/canonicalizer.rs
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1431
src/mir/loop_canonicalizer/canonicalizer_tests.rs Normal file
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3
src/mir/loop_canonicalizer/mod.rs
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@ -39,6 +39,9 @@ mod capability_guard;
mod pattern_recognizer;
mod skeleton_types;
#[cfg(test)]
mod canonicalizer_tests;
// ============================================================================
// Public Re-exports
// ============================================================================