/* This file contains the definitions and documentation for the
additional tree codes used in the GNU C++ compiler (see tree.def
for the standard codes).
- Copyright (C) 1987-2017 Free Software Foundation, Inc.
+ Copyright (C) 1987-2020 Free Software Foundation, Inc.
Hacked by Michael Tiemann (tiemann@cygnus.com)
This file is part of GCC.
/* A using directive. The operand is USING_STMT_NAMESPACE. */
DEFTREECODE (USING_STMT, "using_stmt", tcc_statement, 1)
-/* An un-parsed default argument. Holds a vector of input tokens and
+/* An un-parsed operand. Holds a vector of input tokens and
a vector of places where the argument was instantiated before
- parsing had occurred. */
-DEFTREECODE (DEFAULT_ARG, "default_arg", tcc_exceptional, 0)
+ parsing had occurred. This is used for default arguments, delayed
+ NSDMIs, and noexcept-specifier parsing. */
+DEFTREECODE (DEFERRED_PARSE, "deferred_parse", tcc_exceptional, 0)
/* An uninstantiated/unevaluated noexcept-specification. For the
uninstantiated case, DEFERRED_NOEXCEPT_PATTERN is the pattern from the
DEFTREECODE (DOTSTAR_EXPR, "dotstar_expr", tcc_expression, 2)
DEFTREECODE (TYPEID_EXPR, "typeid_expr", tcc_expression, 1)
DEFTREECODE (NOEXCEPT_EXPR, "noexcept_expr", tcc_unary, 1)
+DEFTREECODE (SPACESHIP_EXPR, "spaceship_expr", tcc_expression, 2)
/* A placeholder for an expression that is not type-dependent, but
does occur in a template. When an expression that is not
DEFTREECODE (FOR_STMT, "for_stmt", tcc_statement, 5)
/* Used to represent a range-based `for' statement. The operands are
- RANGE_FOR_DECL, RANGE_FOR_EXPR, RANGE_FOR_BODY, and RANGE_FOR_SCOPE,
- respectively. Only used in templates. */
-DEFTREECODE (RANGE_FOR_STMT, "range_for_stmt", tcc_statement, 4)
+ RANGE_FOR_DECL, RANGE_FOR_EXPR, RANGE_FOR_BODY, RANGE_FOR_SCOPE,
+ RANGE_FOR_UNROLL, and RANGE_FOR_INIT_STMT, respectively. Only used in
+ templates. */
+DEFTREECODE (RANGE_FOR_STMT, "range_for_stmt", tcc_statement, 6)
/* Used to represent a 'while' statement. The operands are WHILE_COND
and WHILE_BODY, respectively. */
LAMBDA_EXPR_THIS_CAPTURE goes straight to the capture of `this', if it exists.
LAMBDA_EXPR_PENDING_PROXIES is a vector of capture proxies which need to
be pushed once scope returns to the lambda.
- LAMBDA_EXPR_MUTABLE_P signals whether this lambda was declared mutable.
- LAMBDA_EXPR_RETURN_TYPE holds the return type, if it was specified. */
+ LAMBDA_EXPR_MUTABLE_P signals whether this lambda was declared mutable. */
DEFTREECODE (LAMBDA_EXPR, "lambda_expr", tcc_exceptional, 0)
/* The declared type of an expression. This is a C++0x extension.
instantiation time. */
DEFTREECODE (TEMPLATE_INFO, "template_info", tcc_exceptional, 0)
+/* OpenMP - #pragma omp depobj
+ Operand 0: OMP_DEPOBJ_DEPOBJ: Depobj expression
+ Operand 1: OMP_DEPOBJ_CLAUSES: List of clauses. */
+DEFTREECODE (OMP_DEPOBJ, "omp_depobj", tcc_statement, 2)
+
/* Extensions for Concepts. */
+/* Concept definition. This is not entirely different than a VAR_DECL
+ except that a) it must be a template, and b) doesn't have the wide
+ range of value and linkage options available to variables. */
+DEFTREECODE (CONCEPT_DECL, "concept_decl", tcc_declaration, 0)
+
/* Used to represent information associated with constrained declarations. */
DEFTREECODE (CONSTRAINT_INFO, "constraint_info", tcc_exceptional, 0)
The operands of a constraint can be either types or expressions.
Unlike expressions, constraints do not have a type. */
-/* A predicate constraint evaluates an expression E.
+/* An atomic constraint evaluates an expression E. The operand of the
+ constraint is its parameter mapping. The actual expression is stored
+ in the context.
- PRED_CONSTR_EXPR has the expression to be evaluated. */
-DEFTREECODE (PRED_CONSTR, "pred_constr", tcc_expression, 1)
+ ATOMIC_CONSTR_INFO provides source info to support diagnostics.
+ ATOMIC_CONSTR_EXPR has the expression to be evaluated.
+ ATOMIC_CONSTR_PARMS is the parameter mapping for the atomic constraint
+ and is stored in the type field. */
+DEFTREECODE (ATOMIC_CONSTR, "atomic_constr", tcc_expression, 1)
+
+/* The conjunction and disjunction of two constraints, respectively.
+ Operands are accessed using TREE_OPERAND. The third operand provides
+ source info for diagnostics.
+
+ CONJ_CONSTR_INFO and DISJ_CONSTR_INFO provide access to the source
+ information of constraints, which is stored in the TREE_TYPE. */
+DEFTREECODE (CONJ_CONSTR, "conj_constr", tcc_expression, 2)
+DEFTREECODE (DISJ_CONSTR, "disj_constr", tcc_expression, 2)
/* A check constraint represents the checking of a concept
C. It has two operands: the template defining the concept
CHECK_CONSTR_ARGUMENTS are the template arguments */
DEFTREECODE (CHECK_CONSTR, "check_constr", tcc_expression, 2)
-/* An expression constraint determines the validity of a expression E.
-
- EXPR_CONST_EXPR has the expression being validated. */
-DEFTREECODE (EXPR_CONSTR, "expr_constr", tcc_expression, 1)
-
-/* A type constraint determines the validity of a type T. Note that
-
- TYPE_CONST_TYPE has the type being validated */
-DEFTREECODE (TYPE_CONSTR, "type_constr", tcc_expression, 1)
-
-/* An implicit conversion constraint determines if an expression
- E is implicitly convertible to a type T. Note that T may
- be dependent but does not contain any placeholders.
-
- ICONV_CONSTR_EXPR has the expression E.
- ICONV_CONSTR_TYPE has the type T.
- */
-DEFTREECODE (ICONV_CONSTR, "iconv_constr", tcc_expression, 2)
-
-/* An argument deduction constraint determines if the type of an
- expression E can be deduced from a type pattern T. Note that
- T must contain at least one place holder.
-
- DEDUCT_CONSTR_EXPR has the expression E
- DEDUCT_CONSTR_PATTERN has the type pattern T.
- DEDUCT_CONSTR_PLACEHOLDERS has the list of placeholder nodes in T. */
-DEFTREECODE (DEDUCT_CONSTR, "deduct_constr", tcc_expression, 3)
-
-/* An exception constraint determines if, for an expression E,
- noexcept(E) is true.
-
- EXCEPT_CONSTR_EXPR has the expression E. */
-DEFTREECODE (EXCEPT_CONSTR, "except_constr", tcc_expression, 1)
-
-/* A parameterized constraint declares constraint variables, which
- are used in expression, type, and exception constraints.
-
- PARM_CONSTR_PARMS has a TREE_LIST of parameter declarations.
- PARM_CONSTR_OPERAND has the nested constraint. */
-DEFTREECODE (PARM_CONSTR, "parm_constr", tcc_expression, 2)
-
-/* The conjunction and disjunction of two constraints, respectively.
- Operands are accessed using TREE_OPERAND. */
-DEFTREECODE (CONJ_CONSTR, "conj_constr", tcc_expression, 2)
-DEFTREECODE (DISJ_CONSTR, "disj_constr", tcc_expression, 2)
-
-
/*
Local variables:
mode:c
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