diff options
Diffstat (limited to 'contrib/gcc/tree.def')
| -rw-r--r-- | contrib/gcc/tree.def | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/contrib/gcc/tree.def b/contrib/gcc/tree.def index f0f43a7..e05ec28 100644 --- a/contrib/gcc/tree.def +++ b/contrib/gcc/tree.def @@ -49,7 +49,7 @@ DEFTREECODE (ERROR_MARK, "error_mark", 'x', 0) Internally it looks like a STRING_CST node. There is only one IDENTIFIER_NODE ever made for any particular name. Use `get_identifier' to get it (or create it, the first time). */ -DEFTREECODE (IDENTIFIER_NODE, "identifier_node", 'x', -1) +DEFTREECODE (IDENTIFIER_NODE, "identifier_node", 'x', ((LANG_HOOKS_IDENTIFIER_SIZE - sizeof (struct tree_common) + sizeof (tree) - 1) / sizeof (tree))) /* Has the TREE_VALUE and TREE_PURPOSE fields. */ /* These nodes are made into lists by chaining through the @@ -76,10 +76,10 @@ DEFTREECODE (TREE_VEC, "tree_vec", 'x', 2) could either point to another BLOCK node or it could point to a FUNCTION_DECL node (e.g. in the case of a block representing the outermost scope of a particular inlining of a function). - BLOCK_ABSTRACT is non-zero if the block represents an abstract + BLOCK_ABSTRACT is nonzero if the block represents an abstract instance of a block (i.e. one which is nested within an abstract instance of an inline function). - TREE_ASM_WRITTEN is non-zero if the block was actually referenced + TREE_ASM_WRITTEN is nonzero if the block was actually referenced in the generated assembly. */ DEFTREECODE (BLOCK, "block", 'b', 0) @@ -199,19 +199,17 @@ DEFTREECODE (FILE_TYPE, "file_type", 't', 0) TREE_TYPE Type of an array element. TYPE_DOMAIN Type to index by. Its range of values specifies the array length. - TYPE_SEP Expression for units from one elt to the next. - TYPE_SEP_UNIT Number of bits in a unit for previous. The field TYPE_POINTER_TO (TREE_TYPE (array_type)) is always nonzero and holds the type to coerce a value of that array type to in C. TYPE_STRING_FLAG indicates a string (in contrast to an array of chars) - in languages (such as Chill) that make a distinction. */ + in languages (such as Chill) that make a distinction. */ /* Array types in C or Pascal */ DEFTREECODE (ARRAY_TYPE, "array_type", 't', 0) /* Types of sets for Pascal. Special fields are the same as in an array type. The target type is always a boolean type. Used for both bitstrings and powersets in Chill; - TYPE_STRING_FLAG indicates a bitstring. */ + TYPE_STRING_FLAG indicates a bitstring. */ DEFTREECODE (SET_TYPE, "set_type", 't', 0) /* Struct in C, or record in Pascal. */ @@ -329,7 +327,7 @@ DEFTREECODE (STRING_CST, "string_cst", 'c', 3) holds a line number. In some cases these can be the location of a reference, if no definition has been seen. - DECL_ABSTRACT is non-zero if the decl represents an abstract instance + DECL_ABSTRACT is nonzero if the decl represents an abstract instance of a decl (i.e. one which is nested within an abstract instance of a inline function. */ @@ -369,7 +367,7 @@ DEFTREECODE (INDIRECT_REF, "indirect_ref", 'r', 1) DEFTREECODE (BUFFER_REF, "buffer_ref", 'r', 1) /* Array indexing. - Operand 0 is the array; operand 1 is a (single) array index. */ + Operand 0 is the array; operand 1 is a (single) array index. */ DEFTREECODE (ARRAY_REF, "array_ref", 'r', 2) /* Likewise, except that the result is a range ("slice") of the array. The @@ -643,7 +641,7 @@ DEFTREECODE (BIT_NOT_EXPR, "bit_not_expr", '1', 1) needed or not (for side effects). The operand may have BOOLEAN_TYPE or INTEGER_TYPE. In either case, the argument will be either zero or one. For example, a TRUTH_NOT_EXPR will never have - a INTEGER_TYPE VAR_DECL as its argument; instead, a NE_EXPR will be + an INTEGER_TYPE VAR_DECL as its argument; instead, a NE_EXPR will be used to compare the VAR_DECL to zero, thereby obtaining a node with value zero or one. */ DEFTREECODE (TRUTH_ANDIF_EXPR, "truth_andif_expr", 'e', 2) @@ -670,7 +668,7 @@ DEFTREECODE (NE_EXPR, "ne_expr", '<', 2) DEFTREECODE (UNORDERED_EXPR, "unordered_expr", '<', 2) DEFTREECODE (ORDERED_EXPR, "ordered_expr", '<', 2) -/* These are equivalent to unordered or ... */ +/* These are equivalent to unordered or ... */ DEFTREECODE (UNLT_EXPR, "unlt_expr", '<', 2) DEFTREECODE (UNLE_EXPR, "unle_expr", '<', 2) DEFTREECODE (UNGT_EXPR, "ungt_expr", '<', 2) @@ -757,12 +755,9 @@ DEFTREECODE (CONJ_EXPR, "conj_expr", '1', 1) DEFTREECODE (REALPART_EXPR, "realpart_expr", '1', 1) DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", '1', 1) -/* The first argument is the lvalue to be incremented or decremented. - The second argument is the value that should be added or - subtracted. If the first argument has pointer type, the second - argument is interpreted as the number of bytes to add or subtract - from the address. The second argument must not be a constant - zero. */ +/* Nodes for ++ and -- in C. + The second arg is how much to increment or decrement by. + For a pointer, it would be the size of the object pointed to. */ DEFTREECODE (PREDECREMENT_EXPR, "predecrement_expr", 'e', 2) DEFTREECODE (PREINCREMENT_EXPR, "preincrement_expr", 'e', 2) DEFTREECODE (POSTDECREMENT_EXPR, "postdecrement_expr", 'e', 2) @@ -779,7 +774,7 @@ DEFTREECODE (VA_ARG_EXPR, "va_arg_expr", 'e', 1) DEFTREECODE (TRY_CATCH_EXPR, "try_catch_expr", 'e', 2) /* Evaluate the first operand. - The second operand is a a cleanup expression which is evaluated + The second operand is a cleanup expression which is evaluated before an exit (normal, exception, or jump out) from this expression. Like a CLEANUP_POINT_EXPR/WITH_CLEANUP_EXPR combination, but those @@ -849,7 +844,7 @@ DEFTREECODE (EXPR_WITH_FILE_LOCATION, "expr_with_file_location", 'e', 3) /* Switch expression. Operand 0 is the expression used to perform the branch, Operand 1 contains the case values. The way they're organized is - front-end implementation defined. */ + front-end implementation defined. */ DEFTREECODE (SWITCH_EXPR, "switch_expr", 'e', 2) /* The exception object from the runtime. */ |
