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tree.def (LABELED_BLOCK_EXPR, [...]): New tree nodes.

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	* tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
  	* tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
 	EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
 	macros.
	* expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
 	EXIT_BLOCK_EXPR.

From-SVN: r21896
This commit is contained in:
Alexandre Petit-Bianco 1998-08-21 12:32:18 -07:00 committed by Per Bothner
parent 40edd0bd03
commit 0044c65c78
1 changed files with 10 additions and 0 deletions
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@ -742,6 +742,16 @@ DEFTREECODE (EXIT_EXPR, "exit_expr", 's', 1)
The type should be void and the value should be ignored. */
DEFTREECODE (LOOP_EXPR, "loop_expr", 's', 1)
/* A labeled block. Operand 0 is the label that will be generated to
mark the end of the block.
Operand 1 is the labeled block body. */
DEFTREECODE (LABELED_BLOCK_EXPR, "labeled_block_expr", 'e', 2)
/* Exit a labeled block, possibly returning a value. Operand 0 is a
LABELED_BLOCK_EXPR to exit. Operand 1 is the value to return. It
may be left null. */
DEFTREECODE (EXIT_BLOCK_EXPR, "exit_block_expr", 'e', 2)
/* Annotates a tree node (usually an expression) with source location
information: a file name (EXPR_WFL_FILENAME); a line number
(EXPR_WFL_LINENO); and column number (EXPR_WFL_COLNO). It is