Official Release v1.0.4.7 - Sanitized and Universal

Author: Tanmoy

build/lib/techscript/__init__.py

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+"""TechScript — A simple, friendly programming language."""
+__version__ = "1.0.4.7"

build/lib/techscript/__main__.py

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+"""Allow running TechScript as `python -m techscript`."""
+from techscript.cli import main
+
+if __name__ == "__main__":
+    main()

build/lib/techscript/ast_nodes.py

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+"""TechScript Abstract Syntax Tree node definitions.
+
+Every node is a frozen-ish ``@dataclass``.  Statements and expressions are
+plain classes — no common base is needed because we pattern-match on type.
+"""
+
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from typing import Any
+
+
+# ===================================================================
+# Programme root
+# ===================================================================
+
+@dataclass
+class Program:
+    body: list[Any]
+
+
+@dataclass
+class Param:
+    name: str
+    default: Any = None
+
+
+# ===================================================================
+# Statements
+# ===================================================================
+
+@dataclass
+class SayStmt:
+    """``say <expr>, …``"""
+    values: list[Any]
+
+@dataclass
+class SetStmt:
+    """``set <name> = <expr>``"""
+    name: str
+    value: Any
+
+@dataclass
+class AssignStmt:
+    """``<target> = | += | -= | *= | /= <expr>``"""
+    target: Any
+    op: str
+    value: Any
+
+@dataclass
+class ExpressionStmt:
+    """A bare expression used as a statement (e.g. function call)."""
+    expression: Any
+
+@dataclass
+class IfStmt:
+    condition: Any
+    body: list[Any]
+    elif_clauses: list[tuple[Any, list[Any]]] = field(default_factory=list)
+    else_body: list[Any] | None = None
+
+@dataclass
+class ForStmt:
+    var_name: str
+    iterable: Any
+    body: list[Any]
+
+@dataclass
+class WhileStmt:
+    condition: Any
+    body: list[Any]
+
+@dataclass
+class FnStmt:
+    name: str
+    params: list[Param]
+    body: list[Any]
+
+@dataclass
+class ClassStmt:
+    name: str
+    parent: str | None = None
+    body: list[Any] = field(default_factory=list)
+
+@dataclass
+class ReturnStmt:
+    value: Any = None
+
+@dataclass
+class BreakStmt:
+    pass
+
+@dataclass
+class SkipStmt:
+    pass
+
+@dataclass
+class PassStmt:
+    pass
+
+@dataclass
+class TryStmt:
+    body: list[Any]
+    catch_var: str | None = None
+    catch_body: list[Any] = field(default_factory=list)
+    finally_body: list[Any] | None = None
+
+@dataclass
+class ThrowStmt:
+    value: Any
+
+@dataclass
+class MatchStmt:
+    subject: Any
+    cases: list[tuple[Any, list[Any]]] = field(default_factory=list)
+
+@dataclass
+class ImportStmt:
+    module: str
+    names: list[str] | None = None
+    alias: str | None = None
+
+@dataclass
+class FromImportStmt:
+    module: str
+    names: list[str]
+
+@dataclass
+class DelStmt:
+    name: str
+
+@dataclass
+class DeferStmt:
+    expression: Any
+
+@dataclass
+class GuardStmt:
+    condition: Any
+    else_body: list[Any]
+
+@dataclass
+class WithStmt:
+    expression: Any
+    var_name: str
+    body: list[Any]
+
+@dataclass
+class ConstStmt:
+    name: str
+    value: Any
+
+@dataclass
+class ExportStmt:
+    declaration: Any
+
+
+# ===================================================================
+# Expressions
+# ===================================================================
+
+@dataclass
+class NumberLit:
+    value: int | float
+
+@dataclass
+class StringLit:
+    value: str
+
+@dataclass
+class FStringLit:
+    """Stored as raw template string; the interpreter handles ``{…}`` parts."""
+    raw: str
+
+@dataclass
+class BoolLit:
+    value: bool
+
+@dataclass
+class NoneLit:
+    pass
+
+@dataclass
+class ListLit:
+    elements: list[Any]
+
+@dataclass
+class MapLit:
+    entries: list[tuple[Any, Any]]
+
+@dataclass
+class Identifier:
+    name: str
+
+@dataclass
+class BinaryOp:
+    left: Any
+    op: str
+    right: Any
+
+@dataclass
+class UnaryOp:
+    op: str
+    operand: Any
+
+@dataclass
+class CallExpr:
+    callee: Any
+    args: list[Any]
+
+@dataclass
+class IndexExpr:
+    obj: Any
+    index: Any
+
+@dataclass
+class MemberExpr:
+    obj: Any
+    member: str
+
+@dataclass
+class LambdaExpr:
+    params: list[Param]
+    body: Any           # single expression
+
+@dataclass
+class AskExpr:
+    prompt: Any
+
+@dataclass
+class TernaryExpr:
+    true_val: Any
+    condition: Any
+    false_val: Any
+
+@dataclass
+class RangeExpr:
+    start: Any
+    end: Any
+    inclusive: bool = False