160 lines
3.4 KiB
Python
160 lines
3.4 KiB
Python
import re
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snake_case_pattern = re.compile(r'(?<!^)(?=[A-Z])')
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def pascal_to_snake(v):
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name = snake_case_pattern.sub('_', v).lower()
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return name
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BINARY_EXPR = 1
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UNARY_EXPR = 2
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token_simple_expr = [
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["Mul", "*", BINARY_EXPR],
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["Div", "/", BINARY_EXPR],
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["Mod", "%", BINARY_EXPR],
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["LeftShift", "<<", BINARY_EXPR],
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["RightShift", ">>", BINARY_EXPR],
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["FirstMul = TK_Mul", "SPECIAL"],
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["LastMul = TK_RightShift", "SPECIAL"],
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["Add", "+", BINARY_EXPR | UNARY_EXPR],
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["Sub", "-", BINARY_EXPR | UNARY_EXPR],
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["FirstAdd = TK_Add", "SPECIAL"],
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["LastAdd = TK_Sub", "SPECIAL"],
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["Equals", "==", BINARY_EXPR],
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["LesserThenOrEqual", "<=", BINARY_EXPR],
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["GreaterThenOrEqual", ">=", BINARY_EXPR],
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["LesserThen", "<", BINARY_EXPR],
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["GreaterThen", ">", BINARY_EXPR],
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["NotEquals", "!=", BINARY_EXPR],
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["FirstCompare = TK_Equals", "SPECIAL"],
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["LastCompare = TK_NotEquals", "SPECIAL"],
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["BitAnd", "&", BINARY_EXPR],
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["BitOr", "|", BINARY_EXPR],
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["BitXor", "^", BINARY_EXPR],
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["And", "&&", BINARY_EXPR],
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["Or", "||", BINARY_EXPR],
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["FirstLogical = TK_BitAnd", "SPECIAL"],
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["LastLogical = TK_Or", "SPECIAL"],
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["Neg", "~", UNARY_EXPR],
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["Not", "!", UNARY_EXPR],
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]
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token_inc_expr = [
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["Decrement", "--", UNARY_EXPR],
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["Increment", "++", UNARY_EXPR],
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["PostDecrement", "--", UNARY_EXPR],
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["PostIncrement", "++", UNARY_EXPR],
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]
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token_assign_expr = [
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["Assign", "="],
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["ColonAssign", ":="],
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["DivAssign", "/="],
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["MulAssign", "*="],
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["ModAssign", "%="],
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["SubAssign", "-="],
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["AddAssign", "+="],
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["AndAssign", "&="],
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["OrAssign", "|="],
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["XorAssign", "^="],
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["LeftShiftAssign", "<<="],
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["RightShiftAssign", ">>="],
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["FirstAssign = TK_Assign", "SPECIAL"],
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["LastAssign = TK_RightShiftAssign", "SPECIAL"],
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]
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token_rest = [
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["OpenParen", "("],
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["CloseParen", ")"],
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["OpenBrace", "{"],
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["CloseBrace", "}"],
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["OpenBracket", "["],
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["CloseBracket", "]"],
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["Comma", ","],
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["Pound", "#"],
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["Question", "?"],
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["ThreeDots", "..."],
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["Semicolon", ";"],
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["Dot", "."],
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["TwoDots", ".."],
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["NewLine", "[NewLine]"],
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["Colon", ":"],
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["DoubleColon", "::"],
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["At", "@"],
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["Arrow", "->"],
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["Polymorph", "$"],
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["ExprSizeof", "[sizeof]"],
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["DocComment", "[///]"],
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["Comment", "//"],
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["Identifier", "[Ident]"],
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["UnicodeLit", "[Unicode]"],
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["StringLit", "[String]"],
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["Error", "[Error]"],
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["Float", "[Float]"],
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["Integer", "[Int]"],
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["Keyword", "[Keyword]"],
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]
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token_kinds = token_simple_expr + token_inc_expr + token_assign_expr + token_rest
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keywords = [
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"struct",
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"union",
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"true",
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"default",
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"continue",
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"break",
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"false",
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"return",
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"switch",
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"Assert",
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"if",
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"elif",
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"pass",
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"else",
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"for",
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"enum",
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"goto",
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"defer",
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]
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interns = [
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"typeof",
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"sizeof",
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"Len",
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"alignof",
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"foreign",
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"strict",
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"void",
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"flag",
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"it",
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"load",
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"import",
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"link",
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"compiler_breakpoint",
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]
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value_struct_content = """
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Ast_Type *type;
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Ast_Decl *resolved_decl;
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union {
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bool bool_val;
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double f64_val;
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Intern_String intern_val;
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BigInt big_int_val;
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Ast_Type *type_val;
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};
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""".strip()
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def inline_value_fields():
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print(f"""
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union {{
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Value value;
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struct {{
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{value_struct_content}
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}};
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}};
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""".strip())
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