chore: import upstream snapshot with attribution

crawl4ai/script/c4a_result.py

@@ -0,0 +1,219 @@
+"""
+Result classes for C4A-Script compilation
+Clean API design with no exceptions
+"""
+
+from __future__ import annotations
+from dataclasses import dataclass, field
+from enum import Enum
+from typing import List, Dict, Any, Optional
+import json
+
+
+class ErrorType(Enum):
+    SYNTAX = "syntax"
+    SEMANTIC = "semantic"
+    RUNTIME = "runtime"
+    
+
+class Severity(Enum):
+    ERROR = "error"
+    WARNING = "warning"
+    INFO = "info"
+
+
+@dataclass
+class Suggestion:
+    """A suggestion for fixing an error"""
+    message: str
+    fix: Optional[str] = None
+    
+    def to_dict(self) -> dict:
+        return {
+            "message": self.message,
+            "fix": self.fix
+        }
+
+
+@dataclass
+class ErrorDetail:
+    """Detailed information about a compilation error"""
+    # Core info
+    type: ErrorType
+    code: str  # E001, E002, etc.
+    severity: Severity
+    message: str
+    
+    # Location
+    line: int
+    column: int
+    
+    # Context
+    source_line: str
+    
+    # Optional fields with defaults
+    end_line: Optional[int] = None
+    end_column: Optional[int] = None
+    line_before: Optional[str] = None
+    line_after: Optional[str] = None
+    
+    # Help
+    suggestions: List[Suggestion] = field(default_factory=list)
+    documentation_url: Optional[str] = None
+    
+    def to_dict(self) -> dict:
+        """Convert to dictionary for JSON serialization"""
+        return {
+            "type": self.type.value,
+            "code": self.code,
+            "severity": self.severity.value,
+            "message": self.message,
+            "location": {
+                "line": self.line,
+                "column": self.column,
+                "endLine": self.end_line,
+                "endColumn": self.end_column
+            },
+            "context": {
+                "sourceLine": self.source_line,
+                "lineBefore": self.line_before,
+                "lineAfter": self.line_after,
+                "marker": {
+                    "start": self.column - 1,
+                    "length": (self.end_column - self.column) if self.end_column else 1
+                }
+            },
+            "suggestions": [s.to_dict() for s in self.suggestions],
+            "documentationUrl": self.documentation_url
+        }
+    
+    def to_json(self) -> str:
+        """Convert to JSON string"""
+        return json.dumps(self.to_dict(), indent=2)
+    
+    @property
+    def formatted_message(self) -> str:
+        """Returns the nice text format for terminals"""
+        lines = []
+        lines.append(f"\n{'='*60}")
+        lines.append(f"{self.type.value.title()} Error [{self.code}]")
+        lines.append(f"{'='*60}")
+        lines.append(f"Location: Line {self.line}, Column {self.column}")
+        lines.append(f"Error: {self.message}")
+        
+        if self.source_line:
+            marker = " " * (self.column - 1) + "^"
+            if self.end_column:
+                marker += "~" * (self.end_column - self.column - 1)
+            lines.append(f"\nCode:")
+            if self.line_before:
+                lines.append(f"  {self.line - 1: >3} | {self.line_before}")
+            lines.append(f"  {self.line: >3} | {self.source_line}")
+            lines.append(f"      | {marker}")
+            if self.line_after:
+                lines.append(f"  {self.line + 1: >3} | {self.line_after}")
+        
+        if self.suggestions:
+            lines.append("\nSuggestions:")
+            for i, suggestion in enumerate(self.suggestions, 1):
+                lines.append(f"  {i}. {suggestion.message}")
+                if suggestion.fix:
+                    lines.append(f"     Fix: {suggestion.fix}")
+        
+        lines.append("="*60)
+        return "\n".join(lines)
+    
+    @property
+    def simple_message(self) -> str:
+        """Returns just the error message without formatting"""
+        return f"Line {self.line}: {self.message}"
+
+
+@dataclass
+class WarningDetail:
+    """Information about a compilation warning"""
+    code: str
+    message: str
+    line: int
+    column: int
+    
+    def to_dict(self) -> dict:
+        return {
+            "code": self.code,
+            "message": self.message,
+            "line": self.line,
+            "column": self.column
+        }
+
+
+@dataclass
+class CompilationResult:
+    """Result of C4A-Script compilation"""
+    success: bool
+    js_code: Optional[List[str]] = None
+    errors: List[ErrorDetail] = field(default_factory=list)
+    warnings: List[WarningDetail] = field(default_factory=list)
+    metadata: Dict[str, Any] = field(default_factory=dict)
+    
+    def to_dict(self) -> dict:
+        """Convert to dictionary for JSON serialization"""
+        return {
+            "success": self.success,
+            "jsCode": self.js_code,
+            "errors": [e.to_dict() for e in self.errors],
+            "warnings": [w.to_dict() for w in self.warnings],
+            "metadata": self.metadata
+        }
+    
+    def to_json(self) -> str:
+        """Convert to JSON string"""
+        return json.dumps(self.to_dict(), indent=2)
+    
+    @property
+    def has_errors(self) -> bool:
+        """Check if there are any errors"""
+        return len(self.errors) > 0
+    
+    @property
+    def has_warnings(self) -> bool:
+        """Check if there are any warnings"""
+        return len(self.warnings) > 0
+    
+    @property
+    def first_error(self) -> Optional[ErrorDetail]:
+        """Get the first error if any"""
+        return self.errors[0] if self.errors else None
+    
+    def __str__(self) -> str:
+        """String representation for debugging"""
+        if self.success:
+            msg = f"✓ Compilation successful"
+            if self.js_code:
+                msg += f" - {len(self.js_code)} statements generated"
+            if self.warnings:
+                msg += f" ({len(self.warnings)} warnings)"
+            return msg
+        else:
+            return f"✗ Compilation failed - {len(self.errors)} error(s)"
+
+
+@dataclass
+class ValidationResult:
+    """Result of script validation"""
+    valid: bool
+    errors: List[ErrorDetail] = field(default_factory=list)
+    warnings: List[WarningDetail] = field(default_factory=list)
+    
+    def to_dict(self) -> dict:
+        return {
+            "valid": self.valid,
+            "errors": [e.to_dict() for e in self.errors],
+            "warnings": [w.to_dict() for w in self.warnings]
+        }
+    
+    def to_json(self) -> str:
+        return json.dumps(self.to_dict(), indent=2)
+    
+    @property
+    def first_error(self) -> Optional[ErrorDetail]:
+        return self.errors[0] if self.errors else None