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lang: add some parser-internal operators

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This commit is contained in:
max 🍓
2024-11-28 22:01:31 +00:00
parent c3abcec05a
commit 7aed34c875
2 changed files with 59 additions and 1 deletions
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4
lang/include/ivy/lang/operator.h
View File

@@ -77,7 +77,10 @@ enum ivy_operator_id {
IVY_OP_UNDERSTANDS,
IVY_OP_SELF_ACCESS,
IVY_OP_PKG_ACCESS,
/* these are not real operators, and are just used internally by the parser. */
IVY_OP_MSG,
IVY_OP_LEFT_PAREN,
};
struct ivy_operator {
@@ -90,5 +93,6 @@ struct ivy_operator {
};
IVY_API const struct ivy_operator *ivy_operator_get(unsigned int token);
IVY_API const char *ivy_operator_id_to_string(enum ivy_operator_id op);
#endif

56
lang/operator.c
View File

@@ -34,7 +34,6 @@
/* clang-format off */
static const struct ivy_operator operators[] = {
TOK_OP(MSG, IDENT, UNARY_MSG, LEFT, POSTFIX, UNARY),
SYM_OP(ASSIGN, EQUAL, ASSIGN, RIGHT, INFIX, BINARY),
SYM_OP(ADD, PLUS, ADDITION, LEFT, INFIX, BINARY),
SYM_OP(SUBTRACT, HYPHEN, ADDITION, LEFT, INFIX, BINARY),
@@ -70,6 +69,10 @@ static const struct ivy_operator operators[] = {
KW_OP(UNDERSTANDS, UNDERSTANDS, IS, LEFT, INFIX, BINARY),
SYM_OP(SELF_ACCESS, DOUBLE_COLON, SUBSCRIPT, LEFT, INFIX, BINARY),
SYM_OP(PKG_ACCESS, HYPHEN_RIGHT_ANGLE, SUBSCRIPT, LEFT, INFIX, BINARY),
/* parser-internal pseudo-operators. */
TOK_OP(MSG, IDENT, UNARY_MSG, LEFT, POSTFIX, UNARY),
SYM_OP(LEFT_PAREN, LEFT_PAREN, SUBSCRIPT, LEFT, INFIX, UNARY),
};
static const size_t nr_operators = sizeof operators / sizeof operators[0];
/* clang-format on */
@@ -87,3 +90,54 @@ const struct ivy_operator *ivy_operator_get(unsigned int token)
return op;
}
#define ENUM_STR(x) \
case x: \
return #x
const char *ivy_operator_id_to_string(enum ivy_operator_id op)
{
switch (op) {
ENUM_STR(IVY_OP_NONE);
ENUM_STR(IVY_OP_ASSIGN);
ENUM_STR(IVY_OP_ADD);
ENUM_STR(IVY_OP_SUBTRACT);
ENUM_STR(IVY_OP_MULTIPLY);
ENUM_STR(IVY_OP_DIVIDE);
ENUM_STR(IVY_OP_MODULO);
ENUM_STR(IVY_OP_LEFT_SHIFT);
ENUM_STR(IVY_OP_RIGHT_SHIFT);
ENUM_STR(IVY_OP_BINARY_AND);
ENUM_STR(IVY_OP_BINARY_OR);
ENUM_STR(IVY_OP_BINARY_XOR);
ENUM_STR(IVY_OP_LESS_THAN);
ENUM_STR(IVY_OP_GREATER_THAN);
ENUM_STR(IVY_OP_CASCADE);
ENUM_STR(IVY_OP_EQUAL);
ENUM_STR(IVY_OP_NOT_EQUAL);
ENUM_STR(IVY_OP_LESS_EQUAL);
ENUM_STR(IVY_OP_GREATER_EQUAL);
ENUM_STR(IVY_OP_ADD_ASSIGN);
ENUM_STR(IVY_OP_SUBTRACT_ASSIGN);
ENUM_STR(IVY_OP_MULTIPLY_ASSIGN);
ENUM_STR(IVY_OP_DIVIDE_ASSIGN);
ENUM_STR(IVY_OP_MODULO_ASSIGN);
ENUM_STR(IVY_OP_LEFT_SHIFT_ASSIGN);
ENUM_STR(IVY_OP_RIGHT_SHIFT_ASSIGN);
ENUM_STR(IVY_OP_BINARY_AND_ASSIGN);
ENUM_STR(IVY_OP_BINARY_OR_ASSIGN);
ENUM_STR(IVY_OP_BINARY_XOR_ASSIGN);
ENUM_STR(IVY_OP_AND);
ENUM_STR(IVY_OP_OR);
ENUM_STR(IVY_OP_IS);
ENUM_STR(IVY_OP_NOT);
ENUM_STR(IVY_OP_UNDERSTANDS);
ENUM_STR(IVY_OP_SELF_ACCESS);
ENUM_STR(IVY_OP_PKG_ACCESS);
ENUM_STR(IVY_OP_MSG);
ENUM_STR(IVY_OP_LEFT_PAREN);
default:
return "";
}
}