* c-common.h (IF_COND): Added documentation.

	(THEN_CLAUSE): Likewise.
	(ELSE_CLAUSE): Likewise.
	(WHILE_COND): Likewise.
	(WHILE_BODY): Likewise.
	(DO_COND): Likewise.
	(DO_BODY): Likewise.
	(RETURN_EXPR): Likewise.
	(EXPR_STMT_EXPR): Likewise.
	(FOR_INIT_STMT): Likewise.
	(FOR_COND): Likewise.
	(FOR_EXPR): Likewise.
	(FOR_BODY): Likewise.
	(SWITCH_COND): Likewise.
	(SWITCH_BODY): Likewise.
	(CASE_LOW): Likewise.
	(CASE_HIGH): Likewise.
	(GOTO_DESTINATION): Likewise.
	(COMPOUND_BODY): Likewise.
	(ASM_CV_QUAL): Likewise.
	(ASM_STRING): Likewise.
	(ASM_OUTPUTS): Likewise.
	(ASM_INPUTS): Likewise.
	(ASM_CLOBBERS): Likewise.
	(DECL_STMT_DECL): Likewise.
	(STMT_EXPR_STMT): Likewise.
	(LABEL_STMT_LABEL): Likewise.

	* c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
	COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
	RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
	LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.

	* cp/cp-tree.h (genrtl_try_block): Declare function.
	(genrtl_handler): Likewise.
	(genrtl_catch_block): Likewise.
	(genrtl_ctor_stmt): Likewise.
	(genrtl_subobject): Likewise.
	(genrtl_decl_cleanup): Likewise.
	(genrtl_do_poplevel): Likewise.
	(genrtl_do_pushlevel): Likewise.
	(genrtl_clear_out_block): Likewise.
	(genrtl_goto_stmt): Likewise.
	(genrtl_expr_stmt): Likewise.
	(genrtl_decl_stmt): Likewise.
	(genrtl_if_stmt): Likewise.
	(genrtl_while_stmt): Likewise.
	(genrtl_do_stmt): Likewise.
	(genrtl_return_stmt): Likewise.
	(genrtl_for_stmt): Likewise.
	(genrtl_break_stmt): Likewise.
	(genrtl_continue_stmt): Likewise.
	(genrtl_scope_stmt): Likewise.
	(genrtl_switch_stmt): Likewise.
	(genrtl_case_label): Likewise.
	(genrtl_begin_compound_stmt): Likewise.
	(genrtl_finish_compound_stmt): Likewise.
	(genrtl_compound_stmt): Likewise.
	(genrtl_asm_stmt): Likewise.
	(genrtl_named_return_value): Likewise.
	(genrtl_begin_stmt_expr): Likewise.
	(genrtl_finish_stmt_expr): Likewise.
	(finish_for_stmt): Removed first argument.
	(finish_switch_stmt): Likewise.

	* cp/semantics.c (genrtl_try_block): Define function.
	(genrtl_handler): Likewise.
	(genrtl_catch_block): Likewise.
	(genrtl_ctor_stmt): Likewise.
	(genrtl_subobject): Likewise.
	(genrtl_decl_cleanup): Likewise.
	(genrtl_do_poplevel): Likewise.
	(genrtl_do_pushlevel): Likewise.
	(genrtl_clear_out_block): Likewise.
	(genrtl_goto_stmt): Likewise.
	(genrtl_expr_stmt): Likewise.
	(genrtl_decl_stmt): Likewise.
	(genrtl_if_stmt): Likewise.
	(genrtl_while_stmt): Likewise.
	(genrtl_do_stmt): Likewise.
	(genrtl_return_stmt): Likewise.
	(genrtl_for_stmt): Likewise.
	(genrtl_break_stmt): Likewise.
	(genrtl_continue_stmt): Likewise.
	(genrtl_scope_stmt): Likewise.
	(genrtl_switch_stmt): Likewise.
	(genrtl_case_label): Likewise.
	(genrtl_begin_compound_stmt): Likewise.
	(genrtl_finish_compound_stmt): Likewise.
	(genrtl_compound_stmt): Likewise.
	(genrtl_asm_stmt): Likewise.
	(genrtl_named_return_value): Likewise.
	(genrtl_begin_stmt_expr): Likewise.
	(genrtl_finish_stmt_expr): Likewise.
	(finish_for_stmt): Removed first argument and generate rtl
	specific code.
	(finish_switch_stmt): Likewise.
	(do_poplevel): Removed generate rtl specific code.
	(do_pushlevel): Likewise.
	(add_tree): Likewise.
	(finish_goto_stmt): Likewise.
	(finish_expr_stmt): Likewise.
	(begin_if_stmt): Likewise.
	(finish_if_stmt_cond): Likewise.
	(finish_then_clause): Likewise.
	(begin_else_clause): Likewise.
	(finish_else_clause): Likewise.
	(finish_if_stmt): Likewise.
	(clear_out_block): Likewise.
	(begin_while_stmt): Likewise.
	(finish_while_stmt_cond): Likewise.
	(finish_while_stmt): Likewise.
	(begin_do_stmt): Likewise.
	(finish_do_body): Likewise.
	(finish_do_stmt): Likewise.
	(finish_return_stmt): Likewise.
	(begin_for_stmt): Likewise.
	(finish_for_init_stmt): Likewise.
	(finish_for_cond): Likewise.
	(finish_for_expr): Likewise.
	(finish_break_stmt): Likewise.
	(finish_continue_stmt): Likewise.
	(begin_switch_stmt): Likewise.
	(finish_switch_cond): Likewise.
	(finish_case_label): Likewise.
	(begin_try_block): Likewise.
	(begin_function_try_block): Likewise.
	(finish_try_block): Likewise.
	(finish_cleanup_try_block): Likewise.
	(finish_cleanup): Likewise.
	(finish_function_try_block): Likewise.
	(finish_handler_sequence): Likewise.
	(finish_function_handler_sequence): Likewise.
	(begin_handler): Likewise.
	(finish_handler_parms): Likewise.
	(begin_catch_block): Likewise.
	(finish_handler): Likewise.
	(begin_compound_stmt): Likewise.
	(finish_compound_stmt): Likewise.
	(finish_asm_stmt): Likewise.
	(finish_label_stmt): Likewise.
	(finish_label_decl): Likewise.
	(finish_subobject): Likewise.
	(finish_decl_cleanup): Likewise.
	(finish_named_return_value): Likewise.
	(begin_stmt_expr): Likewise.
	(finish_stmt_expr): Likewise.

	* cp/decl.c (initialize_local_var): Changed call to finish_expr_stmt
	to call genrtl_expr_stmt when appropriate.

	* cp/init.c (begin_init_stmts): Changed calls to begin_stmt_expr and
	begin_compound_expr to call genrtl_begin_stmt_expr and
	genrtl_begin_compound_expr when appropriate.
	(finish_init_stmts): Changed calls to finish_compound_expr and
	finish_stmt_expr to call genrtl_finish_compound_expr and
	genrtl_finish_stmt_expr when appropriate.
	(expand_default_init): Changed call to finish_expr_stmt to call
	genrtl_expr_stmt when appropriate.
	(build_vec_init): Likewise.

	* cp/parse.y (simple_stmt): Removed first argument from call to
	finish_for_stmt. Removed first argument from call to
	finish_switch_stmt.

	* cp/parse.c: Regenerated.

	* cp/pt.c (tsubst_expr): Removed first argument from call to
	finish_for_stmt. Removed first argument from call to
	finish_switch_stmt.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@34597 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 42 insertions, 2 deletions

diff --git a/gcc/c-common.def b/gcc/c-common.def
index 03ac0546d1a..3486a4c1d88 100644
--- a/gcc/c-common.def
+++ b/gcc/c-common.def
@@ -28,25 +28,60 @@ cp-tree.def in the cp subdir. */
 /* A node to remember a source position.  */
 DEFTREECODE (SRCLOC, "srcloc", 'x', 2)
 
-/* A whole bunch of tree codes for the initial, superficial parsing of
-   templates.  */
 DEFTREECODE (SIZEOF_EXPR, "sizeof_expr", '1', 1)
 DEFTREECODE (ARROW_EXPR, "arrow_expr", 'e', 1)
 DEFTREECODE (ALIGNOF_EXPR, "alignof_expr", '1', 1)
 
+/* Used to represent an expression statement.  Use `EXPR_STMT_EXPR' to
+   obtain the expression. */
 DEFTREECODE (EXPR_STMT, "expr_stmt", 'e', 1)
+
+/* Used to represent a brace-enclosed block.  The operand is
+   COMPOUND_BODY. */ 
 DEFTREECODE (COMPOUND_STMT, "compound_stmt", 'e', 1)
+
+/* Used to represent a local declaration. The operand is
+   DECL_STMT_DECL. */
 DEFTREECODE (DECL_STMT, "decl_stmt", 'e', 1)
+
+/* Represents an 'if' statement. The operands are IF_COND,
+   THEN_CLAUSE, and ELSE_CLAUSE, respectively. */
 DEFTREECODE (IF_STMT, "if_stmt", 'e', 3)
+
+/* Used to represent a `for' statement. The operands are
+   FOR_INIT_STMT, FOR_COND, FOR_EXPR, and FOR_BODY, respectively. */
 DEFTREECODE (FOR_STMT, "for_stmt", 'e', 4)
+
+/* Used to represent a 'while' statement. The operands are WHILE_COND
+   and WHILE_BODY, respectively. */
 DEFTREECODE (WHILE_STMT, "while_stmt", 'e', 2)
+
+/* Used to represent a 'do' statement. The operands are DO_BODY and
+   DO_COND, respectively. */
 DEFTREECODE (DO_STMT, "do_stmt", 'e', 2)
+
+/* Used to represent a 'return' statement. The operand is
+   RETURN_EXPR. */
 DEFTREECODE (RETURN_STMT, "return_stmt", 'e', 1)
+
+/* Used to represent a 'break' statement. */
 DEFTREECODE (BREAK_STMT, "break_stmt", 'e', 0)
+
+/* Used to represent a 'continue' statement. */
 DEFTREECODE (CONTINUE_STMT, "continue_stmt", 'e', 0)
+
+/* Used to represent a 'switch' statement. The operands are
+   SWITCH_COND and SWITCH_BODY, respectively. */
 DEFTREECODE (SWITCH_STMT, "switch_stmt", 'e', 2)
+
+/* Used to represent a 'goto' statement. The operand is GOTO_DESTINATION. */
 DEFTREECODE (GOTO_STMT, "goto_stmt", 'e', 1)
+
+/* Used to represent a 'label' statement. The operand is a LABEL_DECL
+   and can be obtained through the macro LABEL_STMT_LABEL. */
 DEFTREECODE (LABEL_STMT, "label_stmt", 'e', 1)
+
+/* Used to represent an inline assembly statement. */
 DEFTREECODE (ASM_STMT, "asm_stmt", 'e', 5)
 
 /* A SCOPE_STMT marks the beginning or end of a scope.  If
@@ -56,6 +91,11 @@ DEFTREECODE (ASM_STMT, "asm_stmt", 'e', 5)
    this scope.  The SCOPE_STMT_BLOCK is the BLOCK containing the
    variables declared in this scope.  */
 DEFTREECODE (SCOPE_STMT, "scope_stmt", 'e', 1)
+
+/* Used to represent a CASE_LABEL. The operands are CASE_LOW and
+   CASE_HIGH, respectively. If CASE_LOW is NULL_TREE, the label is a
+   'default' label. If CASE_HIGH is NULL_TREE, the label is a normal case
+   label. */
 DEFTREECODE (CASE_LABEL, "case_label", 'e', 2)
 
 /* A STMT_EXPR represents a statement-expression.  The