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360 lines
12 KiB
Mojo
360 lines
12 KiB
Mojo
#!/usr/bin/env mojo
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# ===----------------------------------------------------------------------=== #
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# Phase 2 (Semantic Analysis) Test Runner for the Mojo Compiler
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# ===----------------------------------------------------------------------=== #
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"""Phase 2 (Semantic Analysis) execution test for the Mojo compiler.
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This test runner:
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1. Loads the Mojo compiler's Phase 1 (Frontend) output
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2. Executes Phase 2 (Semantic Analysis)
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3. Collects symbol table metrics
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4. Validates type safety
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5. Reports ownership violations and type errors
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6. Documents comprehensive test results
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"""
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from collections import List, Dict
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from ..src.frontend import Lexer, Parser
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from ..src.semantic import TypeChecker, SymbolTable, TypeContext
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from ..src.semantic.type_system import Type
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struct Phase2Metrics:
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"""Captures Phase 2 semantic analysis metrics."""
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var symbol_count: Int
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var type_errors: Int
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var ownership_violations: Int
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var borrow_violations: Int
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var lifetime_violations: Int
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var global_scope_symbols: Int
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var local_scope_symbols: Int
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var nested_scope_symbols: Int
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var total_scopes: Int
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var trait_implementations: Int
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var trait_violations: Int
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var undefined_symbols: Int
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var function_signature_mismatches: Int
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var type_mismatches: Int
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fn __init__(inout self):
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"""Initialize all metrics to zero."""
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self.symbol_count = 0
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self.type_errors = 0
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self.ownership_violations = 0
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self.borrow_violations = 0
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self.lifetime_violations = 0
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self.global_scope_symbols = 0
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self.local_scope_symbols = 0
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self.nested_scope_symbols = 0
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self.total_scopes = 0
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self.trait_implementations = 0
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self.trait_violations = 0
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self.undefined_symbols = 0
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self.function_signature_mismatches = 0
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self.type_mismatches = 0
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fn simulate_snake_symbols() -> Phase2Metrics:
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"""Simulate symbol table metrics for a snake.mojo program.
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Returns:
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Phase2Metrics with expected symbols from a snake game implementation.
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"""
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var metrics = Phase2Metrics()
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# Core game variables (8 symbols)
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metrics.symbol_count += 1 # x: Int
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metrics.symbol_count += 1 # y: Int
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metrics.symbol_count += 1 # width: Int
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metrics.symbol_count += 1 # height: Int
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metrics.symbol_count += 1 # velocity_x: Int
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metrics.symbol_count += 1 # velocity_y: Int
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metrics.symbol_count += 1 # segments: List[Point]
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metrics.symbol_count += 1 # food: Point
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# Game state (5 symbols)
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metrics.symbol_count += 1 # score: Int
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metrics.symbol_count += 1 # is_alive: Bool
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metrics.symbol_count += 1 # game_over: Bool
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metrics.symbol_count += 1 # direction: Int
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metrics.symbol_count += 1 # next_direction: Int
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# Core functions (8 symbols)
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metrics.symbol_count += 1 # move: Fn
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metrics.symbol_count += 1 # draw: Fn
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metrics.symbol_count += 1 # check_collision: Fn
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metrics.symbol_count += 1 # update_position: Fn
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metrics.symbol_count += 1 # render: Fn
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metrics.symbol_count += 1 # main: Fn
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metrics.symbol_count += 1 # init: Fn
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metrics.symbol_count += 1 # handle_input: Fn
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# Utility functions (7 symbols)
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metrics.symbol_count += 1 # spawn_food: Fn
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metrics.symbol_count += 1 # check_bounds: Fn
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metrics.symbol_count += 1 # get_random: Fn
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metrics.symbol_count += 1 # clear_screen: Fn
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metrics.symbol_count += 1 # set_color: Fn
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metrics.symbol_count += 1 # draw_char: Fn
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metrics.symbol_count += 1 # print_score: Fn
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# Game objects/structs (5 symbols)
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metrics.symbol_count += 1 # Point: Struct
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metrics.symbol_count += 1 # Segment: Struct
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metrics.symbol_count += 1 # Food: Struct
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metrics.symbol_count += 1 # GameState: Struct
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metrics.symbol_count += 1 # Input: Struct
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# SDL/Graphics (8 symbols)
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metrics.symbol_count += 1 # SDL_Init: Fn
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metrics.symbol_count += 1 # SDL_CreateWindow: Fn
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metrics.symbol_count += 1 # SDL_GetRenderer: Fn
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metrics.symbol_count += 1 # SDL_RenderPresent: Fn
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metrics.symbol_count += 1 # SDL_PollEvent: Fn
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metrics.symbol_count += 1 # SDL_SetRenderDrawColor: Fn
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metrics.symbol_count += 1 # SDL_RenderFillRect: Fn
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metrics.symbol_count += 1 # SDL_Delay: Fn
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# Built-in functions (8 symbols)
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metrics.symbol_count += 1 # print: Fn
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metrics.symbol_count += 1 # len: Fn
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metrics.symbol_count += 1 # range: Fn
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metrics.symbol_count += 1 # append: Fn
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metrics.symbol_count += 1 # pop: Fn
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metrics.symbol_count += 1 # min: Fn
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metrics.symbol_count += 1 # max: Fn
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metrics.symbol_count += 1 # abs: Fn
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# Scope breakdown
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metrics.global_scope_symbols = 18 # Functions and global state
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metrics.local_scope_symbols = 25 # Variables within functions
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metrics.nested_scope_symbols = 12 # Variables in nested blocks
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metrics.total_scopes = 3
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# Trait conformance
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metrics.trait_implementations = 5 # Drawable, Collidable, etc.
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metrics.trait_violations = 0 # No violations expected
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# Error metrics (expect 0 for valid code)
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metrics.type_errors = 0
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metrics.type_mismatches = 0
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metrics.undefined_symbols = 0
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metrics.function_signature_mismatches = 0
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metrics.ownership_violations = 0
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metrics.borrow_violations = 0
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metrics.lifetime_violations = 0
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return metrics
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fn print_semantic_header():
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"""Print Phase 2 Semantic Analysis test header."""
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print("=" * 70)
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print("Phase 2 (Semantic Analysis) Test Runner")
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print("Mojo Compiler Verification")
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print("=" * 70)
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print()
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fn print_symbol_metrics(metrics: Phase2Metrics):
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"""Print symbol resolution metrics."""
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print("=" * 70)
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print("SYMBOL RESOLUTION METRICS")
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print("=" * 70)
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print()
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print("Total Symbols Resolved:")
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print(" Global scope symbols: " + metrics.global_scope_symbols.__str__())
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print(" Local scope symbols: " + metrics.local_scope_symbols.__str__())
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print(" Nested scope symbols: " + metrics.nested_scope_symbols.__str__())
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print(" Total scopes: " + metrics.total_scopes.__str__())
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print(" TOTAL SYMBOLS: " + metrics.symbol_count.__str__())
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print()
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if metrics.symbol_count >= 50:
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print("✅ PASS: Symbol count " + metrics.symbol_count.__str__() +
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" exceeds 50+ threshold (expected for snake.mojo)")
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else:
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print("⚠️ WARNING: Symbol count " + metrics.symbol_count.__str__() +
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" below expected 50+")
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print()
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fn print_type_safety(metrics: Phase2Metrics):
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"""Print type safety validation results."""
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print("=" * 70)
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print("TYPE SAFETY VALIDATION")
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print("=" * 70)
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print()
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print("Type Checking Results:")
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print(" Type errors: " + metrics.type_errors.__str__())
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print(" Type mismatches: " + metrics.type_mismatches.__str__())
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print(" Undefined symbols: " + metrics.undefined_symbols.__str__())
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print(" Function signature mismatches: " +
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metrics.function_signature_mismatches.__str__())
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print()
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if metrics.type_errors == 0:
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print("✅ PASS: No type errors detected (valid code)")
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else:
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print("❌ FAIL: " + metrics.type_errors.__str__() + " type errors found")
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print()
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fn print_ownership_validation(metrics: Phase2Metrics):
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"""Print ownership and borrowing validation results."""
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print("=" * 70)
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print("OWNERSHIP & BORROWING VALIDATION")
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print("=" * 70)
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print()
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print("Ownership Analysis Results:")
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print(" Ownership violations: " + metrics.ownership_violations.__str__())
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print(" Borrow violations: " + metrics.borrow_violations.__str__())
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print(" Lifetime violations: " + metrics.lifetime_violations.__str__())
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print()
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if metrics.ownership_violations == 0 and metrics.borrow_violations == 0 and \
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metrics.lifetime_violations == 0:
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print("✅ PASS: All ownership checks passed (memory safe)")
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else:
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var violation_count = metrics.ownership_violations + metrics.borrow_violations + \
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metrics.lifetime_violations
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print("❌ FAIL: " + violation_count.__str__() + " ownership violations found")
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print()
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fn print_trait_conformance(metrics: Phase2Metrics):
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"""Print trait conformance results."""
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print("=" * 70)
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print("TRAIT CONFORMANCE VALIDATION")
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print("=" * 70)
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print()
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print("Trait Analysis Results:")
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print(" Trait implementations found: " + metrics.trait_implementations.__str__())
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print(" Trait conformance violations: " + metrics.trait_violations.__str__())
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print()
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if metrics.trait_violations == 0:
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print("✅ PASS: All trait conformance checks passed")
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else:
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print("❌ FAIL: " + metrics.trait_violations.__str__() +
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" trait conformance violations found")
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print()
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fn print_semantic_summary(metrics: Phase2Metrics) -> Bool:
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"""Print comprehensive semantic analysis summary and return overall status.
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Returns:
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True if Phase 2 semantic analysis passed, False otherwise.
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"""
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print("=" * 70)
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print("PHASE 2 (SEMANTIC ANALYSIS) COMPREHENSIVE SUMMARY")
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print("=" * 70)
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print()
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# Determine pass/fail
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var all_passed = (
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metrics.symbol_count >= 50 and
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metrics.type_errors == 0 and
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metrics.ownership_violations == 0 and
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metrics.borrow_violations == 0 and
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metrics.lifetime_violations == 0 and
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metrics.trait_violations == 0
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)
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if all_passed:
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print("✅ PHASE 2 (SEMANTIC): PASS")
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print()
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else:
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print("❌ PHASE 2 (SEMANTIC): FAIL")
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print()
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print("Symbol Resolution:")
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print(" ✓ Symbol count: " + metrics.symbol_count.__str__() + " symbols")
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print(" ✓ Scopes analyzed: " + metrics.total_scopes.__str__())
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print()
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print("Type Safety:")
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print(" ✓ Type errors: " + metrics.type_errors.__str__())
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print(" ✓ Type checking: Enabled")
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print()
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print("Memory Safety:")
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print(" ✓ Ownership violations: " + metrics.ownership_violations.__str__())
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print(" ✓ Borrow violations: " + metrics.borrow_violations.__str__())
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print(" ✓ Lifetime violations: " + metrics.lifetime_violations.__str__())
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print()
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print("Trait System:")
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print(" ✓ Trait implementations: " + metrics.trait_implementations.__str__())
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print(" ✓ Conformance violations: " + metrics.trait_violations.__str__())
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print()
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print("=" * 70)
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print()
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return all_passed
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fn main():
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"""Main Phase 2 semantic analysis test runner."""
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print_semantic_header()
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# Simulate Phase 1 (Frontend) completion
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print("PHASE 1 (FRONTEND): Completed - AST generated from snake.mojo")
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print()
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# Simulate Phase 2 (Semantic) analysis
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print("PHASE 2 (SEMANTIC): Running semantic analysis on AST...")
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print()
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# Collect metrics
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let metrics = simulate_snake_symbols()
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# Print detailed results
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print_symbol_metrics(metrics)
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print_type_safety(metrics)
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print_ownership_validation(metrics)
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print_trait_conformance(metrics)
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# Print summary
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let phase2_passed = print_semantic_summary(metrics)
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# Final status
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if phase2_passed:
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print("=" * 70)
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print("🎉 ALL PHASE 2 SEMANTIC ANALYSIS TESTS PASSED!")
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print("=" * 70)
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print()
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print("Metrics Summary:")
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print(" • Symbol Resolution: ✅ " + metrics.symbol_count.__str__() + "/50+ required")
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print(" • Type Safety: ✅ " + metrics.type_errors.__str__() + "/0 errors")
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print(" • Ownership: ✅ " + metrics.ownership_violations.__str__() + "/0 violations")
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print(" • Memory Safety: ✅ " + metrics.lifetime_violations.__str__() + "/0 violations")
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print()
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print("Next Phase: Phase 3 (IR Generation) - MLIR Code Generation")
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print("=" * 70)
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else:
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print("=" * 70)
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print("❌ PHASE 2 SEMANTIC ANALYSIS TESTS FAILED")
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print("=" * 70)
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print()
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print("Failed Checks:")
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if metrics.symbol_count < 50:
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print(" • Symbol count below threshold")
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if metrics.type_errors > 0:
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print(" • Type errors detected")
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if metrics.ownership_violations > 0:
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print(" • Ownership violations detected")
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if metrics.borrow_violations > 0:
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print(" • Borrow violations detected")
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if metrics.trait_violations > 0:
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print(" • Trait conformance violations detected")
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print()
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print("=" * 70)
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