/* Pretty formatting of GENERIC trees in C syntax. Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. Adapted from c-pretty-print.c by Diego Novillo This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING. If not, write to the Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "config.h" #include "system.h" #include "coretypes.h" #include "tm.h" #include "tree.h" #include "diagnostic.h" #include "real.h" #include "hashtab.h" #include "tree-flow.h" #include "langhooks.h" #include "tree-iterator.h" #include "tree-chrec.h" /* Local functions, macros and variables. */ static int op_prio (tree); static const char *op_symbol (tree); static void pretty_print_string (pretty_printer *, const char*); static void print_call_name (pretty_printer *, tree); static void newline_and_indent (pretty_printer *, int); static void maybe_init_pretty_print (FILE *); static void print_declaration (pretty_printer *, tree, int, int); static void print_struct_decl (pretty_printer *, tree, int, int); static void do_niy (pretty_printer *, tree); static void dump_vops (pretty_printer *, tree, int, int); static void dump_generic_bb_buff (pretty_printer *, basic_block, int, int); #define INDENT(SPACE) do { \ int i; for (i = 0; i>>\n"); } void debug_generic_expr (tree t) { print_generic_expr (stderr, t, TDF_VOPS|TDF_UID); fprintf (stderr, "\n"); } void debug_generic_stmt (tree t) { print_generic_stmt (stderr, t, TDF_VOPS|TDF_UID); fprintf (stderr, "\n"); } /* Prints declaration DECL to the FILE with details specified by FLAGS. */ void print_generic_decl (FILE *file, tree decl, int flags) { maybe_init_pretty_print (file); dumping_stmts = true; print_declaration (&buffer, decl, 2, flags); pp_write_text_to_stream (&buffer); } /* Print tree T, and its successors, on file FILE. FLAGS specifies details to show in the dump. See TDF_* in tree.h. */ void print_generic_stmt (FILE *file, tree t, int flags) { maybe_init_pretty_print (file); dumping_stmts = true; dump_generic_node (&buffer, t, 0, flags, true); pp_flush (&buffer); } /* Print tree T, and its successors, on file FILE. FLAGS specifies details to show in the dump. See TDF_* in tree.h. The output is indented by INDENT spaces. */ void print_generic_stmt_indented (FILE *file, tree t, int flags, int indent) { int i; maybe_init_pretty_print (file); dumping_stmts = true; for (i = 0; i < indent; i++) pp_space (&buffer); dump_generic_node (&buffer, t, indent, flags, true); pp_flush (&buffer); } /* Print a single expression T on file FILE. FLAGS specifies details to show in the dump. See TDF_* in tree.h. */ void print_generic_expr (FILE *file, tree t, int flags) { maybe_init_pretty_print (file); dumping_stmts = false; dump_generic_node (&buffer, t, 0, flags, false); } /* Dump the name of a _DECL node and its DECL_UID if TDF_UID is set in FLAGS. */ static void dump_decl_name (pretty_printer *buffer, tree node, int flags) { if (DECL_NAME (node)) pp_tree_identifier (buffer, DECL_NAME (node)); if ((flags & TDF_UID) || DECL_NAME (node) == NULL_TREE) { if (TREE_CODE (node) == LABEL_DECL && LABEL_DECL_UID (node) != -1) pp_printf (buffer, "L." HOST_WIDE_INT_PRINT_DEC, LABEL_DECL_UID (node)); else { char c = TREE_CODE (node) == CONST_DECL ? 'C' : 'D'; pp_printf (buffer, "%c.%u", c, DECL_UID (node)); } } } /* Like the above, but used for pretty printing function calls. */ static void dump_function_name (pretty_printer *buffer, tree node) { if (DECL_NAME (node)) PRINT_FUNCTION_NAME (node); else dump_decl_name (buffer, node, 0); } /* Dump a function declaration. NODE is the FUNCTION_TYPE. BUFFER, SPC and FLAGS are as in dump_generic_node. */ static void dump_function_declaration (pretty_printer *buffer, tree node, int spc, int flags) { bool wrote_arg = false; tree arg; pp_space (buffer); pp_character (buffer, '('); /* Print the argument types. The last element in the list is a VOID_TYPE. The following avoids printing the last element. */ arg = TYPE_ARG_TYPES (node); while (arg && TREE_CHAIN (arg) && arg != error_mark_node) { wrote_arg = true; dump_generic_node (buffer, TREE_VALUE (arg), spc, flags, false); arg = TREE_CHAIN (arg); if (TREE_CHAIN (arg) && TREE_CODE (TREE_CHAIN (arg)) == TREE_LIST) { pp_character (buffer, ','); pp_space (buffer); } } if (!wrote_arg) pp_string (buffer, "void"); pp_character (buffer, ')'); } /* Dump the domain associated with an array. */ static void dump_array_domain (pretty_printer *buffer, tree domain, int spc, int flags) { pp_character (buffer, '['); if (domain) { tree min = TYPE_MIN_VALUE (domain); tree max = TYPE_MAX_VALUE (domain); if (min && max && integer_zerop (min) && host_integerp (max, 0)) pp_wide_integer (buffer, TREE_INT_CST_LOW (max) + 1); else { if (min) dump_generic_node (buffer, min, spc, flags, false); pp_character (buffer, ':'); if (max) dump_generic_node (buffer, max, spc, flags, false); } } else pp_string (buffer, ""); pp_character (buffer, ']'); } /* Dump the node NODE on the pretty_printer BUFFER, SPC spaces of indent. FLAGS specifies details to show in the dump (see TDF_* in tree.h). If IS_STMT is true, the object printed is considered to be a statement and it is terminated by ';' if appropriate. */ int dump_generic_node (pretty_printer *buffer, tree node, int spc, int flags, bool is_stmt) { tree type; tree op0, op1; const char *str; bool is_expr; if (node == NULL_TREE) return spc; is_expr = EXPR_P (node); if (TREE_CODE (node) != ERROR_MARK && is_gimple_stmt (node) && (flags & TDF_VOPS) && stmt_ann (node)) dump_vops (buffer, node, spc, flags); if (is_stmt && (flags & TDF_STMTADDR)) pp_printf (buffer, "<&%p> ", (void *)node); if (dumping_stmts && (flags & TDF_LINENO) && EXPR_HAS_LOCATION (node)) { expanded_location xloc = expand_location (EXPR_LOCATION (node)); pp_character (buffer, '['); if (xloc.file) { pp_string (buffer, xloc.file); pp_string (buffer, " : "); } pp_decimal_int (buffer, xloc.line); pp_string (buffer, "] "); } switch (TREE_CODE (node)) { case ERROR_MARK: pp_string (buffer, "<<< error >>>"); break; case IDENTIFIER_NODE: pp_tree_identifier (buffer, node); break; case TREE_LIST: while (node && node != error_mark_node) { if (TREE_PURPOSE (node)) { dump_generic_node (buffer, TREE_PURPOSE (node), spc, flags, false); pp_space (buffer); } dump_generic_node (buffer, TREE_VALUE (node), spc, flags, false); node = TREE_CHAIN (node); if (node && TREE_CODE (node) == TREE_LIST) { pp_character (buffer, ','); pp_space (buffer); } } break; case TREE_BINFO: dump_generic_node (buffer, BINFO_TYPE (node), spc, flags, false); case TREE_VEC: { size_t i; if (TREE_VEC_LENGTH (node) > 0) { size_t len = TREE_VEC_LENGTH (node); for (i = 0; i < len - 1; i++) { dump_generic_node (buffer, TREE_VEC_ELT (node, i), spc, flags, false); pp_character (buffer, ','); pp_space (buffer); } dump_generic_node (buffer, TREE_VEC_ELT (node, len - 1), spc, flags, false); } } break; case BLOCK: NIY; break; case VOID_TYPE: case INTEGER_TYPE: case REAL_TYPE: case COMPLEX_TYPE: case VECTOR_TYPE: case ENUMERAL_TYPE: case BOOLEAN_TYPE: case CHAR_TYPE: { unsigned int quals = TYPE_QUALS (node); enum tree_code_class class; if (quals & TYPE_QUAL_CONST) pp_string (buffer, "const "); else if (quals & TYPE_QUAL_VOLATILE) pp_string (buffer, "volatile "); else if (quals & TYPE_QUAL_RESTRICT) pp_string (buffer, "restrict "); class = TREE_CODE_CLASS (TREE_CODE (node)); if (class == tcc_declaration) { if (DECL_NAME (node)) dump_decl_name (buffer, node, flags); else pp_string (buffer, ""); } else if (class == tcc_type) { if (TYPE_NAME (node)) { if (TREE_CODE (TYPE_NAME (node)) == IDENTIFIER_NODE) pp_tree_identifier (buffer, TYPE_NAME (node)); else if (TREE_CODE (TYPE_NAME (node)) == TYPE_DECL && DECL_NAME (TYPE_NAME (node))) dump_decl_name (buffer, TYPE_NAME (node), flags); else pp_string (buffer, ""); } else if (TREE_CODE (node) == VECTOR_TYPE) { pp_string (buffer, "vector "); dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false); } else pp_string (buffer, ""); } break; } case POINTER_TYPE: case REFERENCE_TYPE: str = (TREE_CODE (node) == POINTER_TYPE ? "*" : "&"); if (TREE_CODE (TREE_TYPE (node)) == FUNCTION_TYPE) { tree fnode = TREE_TYPE (node); dump_generic_node (buffer, TREE_TYPE (fnode), spc, flags, false); pp_space (buffer); pp_character (buffer, '('); pp_string (buffer, str); if (TYPE_NAME (node) && DECL_NAME (TYPE_NAME (node))) dump_decl_name (buffer, TYPE_NAME (node), flags); else pp_printf (buffer, "", TYPE_UID (node)); pp_character (buffer, ')'); dump_function_declaration (buffer, fnode, spc, flags); } else { unsigned int quals = TYPE_QUALS (node); dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false); pp_space (buffer); pp_string (buffer, str); if (quals & TYPE_QUAL_CONST) pp_string (buffer, " const"); else if (quals & TYPE_QUAL_VOLATILE) pp_string (buffer, "volatile"); else if (quals & TYPE_QUAL_RESTRICT) pp_string (buffer, " restrict"); if (TYPE_REF_CAN_ALIAS_ALL (node)) pp_string (buffer, " {ref-all}"); } break; case OFFSET_TYPE: NIY; break; case METHOD_TYPE: dump_decl_name (buffer, TYPE_NAME (TYPE_METHOD_BASETYPE (node)), flags); pp_string (buffer, "::"); break; case TARGET_MEM_REF: { const char *sep = ""; tree tmp; pp_string (buffer, "MEM["); tmp = TMR_SYMBOL (node); if (tmp) { pp_string (buffer, sep); sep = ", "; pp_string (buffer, "symbol: "); dump_generic_node (buffer, tmp, spc, flags, false); } tmp = TMR_BASE (node); if (tmp) { pp_string (buffer, sep); sep = ", "; pp_string (buffer, "base: "); dump_generic_node (buffer, tmp, spc, flags, false); } tmp = TMR_INDEX (node); if (tmp) { pp_string (buffer, sep); sep = ", "; pp_string (buffer, "index: "); dump_generic_node (buffer, tmp, spc, flags, false); } tmp = TMR_STEP (node); if (tmp) { pp_string (buffer, sep); sep = ", "; pp_string (buffer, "step: "); dump_generic_node (buffer, tmp, spc, flags, false); } tmp = TMR_OFFSET (node); if (tmp) { pp_string (buffer, sep); sep = ", "; pp_string (buffer, "offset: "); dump_generic_node (buffer, tmp, spc, flags, false); } pp_string (buffer, "]"); if (flags & TDF_DETAILS) { pp_string (buffer, "{"); dump_generic_node (buffer, TMR_ORIGINAL (node), spc, flags, false); pp_string (buffer, "}"); } } break; case ARRAY_TYPE: { tree tmp; /* Print the innermost component type. */ for (tmp = TREE_TYPE (node); TREE_CODE (tmp) == ARRAY_TYPE; tmp = TREE_TYPE (tmp)) ; dump_generic_node (buffer, tmp, spc, flags, false); /* Print the dimensions. */ for (tmp = node; TREE_CODE (tmp) == ARRAY_TYPE; tmp = TREE_TYPE (tmp)) dump_array_domain (buffer, TYPE_DOMAIN (tmp), spc, flags); break; } case RECORD_TYPE: case UNION_TYPE: case QUAL_UNION_TYPE: /* Print the name of the structure. */ if (TREE_CODE (node) == RECORD_TYPE) pp_string (buffer, "struct "); else if (TREE_CODE (node) == UNION_TYPE) pp_string (buffer, "union "); if (TYPE_NAME (node)) dump_generic_node (buffer, TYPE_NAME (node), spc, flags, false); else print_struct_decl (buffer, node, spc, flags); break; case LANG_TYPE: NIY; break; case INTEGER_CST: if (TREE_CODE (TREE_TYPE (node)) == POINTER_TYPE) { /* In the case of a pointer, one may want to divide by the size of the pointed-to type. Unfortunately, this not straightforward. The C front-end maps expressions (int *) 5 int *p; (p + 5) in such a way that the two INTEGER_CST nodes for "5" have different values but identical types. In the latter case, the 5 is multiplied by sizeof (int) in c-common.c (pointer_int_sum) to convert it to a byte address, and yet the type of the node is left unchanged. Argh. What is consistent though is that the number value corresponds to bytes (UNITS) offset. NB: Neither of the following divisors can be trivially used to recover the original literal: TREE_INT_CST_LOW (TYPE_SIZE_UNIT (TREE_TYPE (node))) TYPE_PRECISION (TREE_TYPE (TREE_TYPE (node))) */ pp_wide_integer (buffer, TREE_INT_CST_LOW (node)); pp_string (buffer, "B"); /* pseudo-unit */ } else if (! host_integerp (node, 0)) { tree val = node; if (tree_int_cst_sgn (val) < 0) { pp_character (buffer, '-'); val = build_int_cst_wide (NULL_TREE, -TREE_INT_CST_LOW (val), ~TREE_INT_CST_HIGH (val) + !TREE_INT_CST_LOW (val)); } /* Would "%x%0*x" or "%x%*0x" get zero-padding on all systems? */ { static char format[10]; /* "%x%09999x\0" */ if (!format[0]) sprintf (format, "%%x%%0%dx", HOST_BITS_PER_INT / 4); sprintf (pp_buffer (buffer)->digit_buffer, format, TREE_INT_CST_HIGH (val), TREE_INT_CST_LOW (val)); pp_string (buffer, pp_buffer (buffer)->digit_buffer); } } else pp_wide_integer (buffer, TREE_INT_CST_LOW (node)); break; case REAL_CST: /* Code copied from print_node. */ { REAL_VALUE_TYPE d; if (TREE_OVERFLOW (node)) pp_string (buffer, " overflow"); #if !defined(REAL_IS_NOT_DOUBLE) || defined(REAL_ARITHMETIC) d = TREE_REAL_CST (node); if (REAL_VALUE_ISINF (d)) pp_string (buffer, " Inf"); else if (REAL_VALUE_ISNAN (d)) pp_string (buffer, " Nan"); else { char string[100]; real_to_decimal (string, &d, sizeof (string), 0, 1); pp_string (buffer, string); } #else { HOST_WIDE_INT i; unsigned char *p = (unsigned char *) &TREE_REAL_CST (node); pp_string (buffer, "0x"); for (i = 0; i < sizeof TREE_REAL_CST (node); i++) output_formatted_integer (buffer, "%02x", *p++); } #endif break; } case COMPLEX_CST: pp_string (buffer, "__complex__ ("); dump_generic_node (buffer, TREE_REALPART (node), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_IMAGPART (node), spc, flags, false); pp_string (buffer, ")"); break; case STRING_CST: pp_string (buffer, "\""); pretty_print_string (buffer, TREE_STRING_POINTER (node)); pp_string (buffer, "\""); break; case VECTOR_CST: { tree elt; pp_string (buffer, "{ "); for (elt = TREE_VECTOR_CST_ELTS (node); elt; elt = TREE_CHAIN (elt)) { dump_generic_node (buffer, TREE_VALUE (elt), spc, flags, false); if (TREE_CHAIN (elt)) pp_string (buffer, ", "); } pp_string (buffer, " }"); } break; case FUNCTION_TYPE: break; case FUNCTION_DECL: case CONST_DECL: dump_decl_name (buffer, node, flags); break; case LABEL_DECL: if (DECL_NAME (node)) dump_decl_name (buffer, node, flags); else if (LABEL_DECL_UID (node) != -1) pp_printf (buffer, "", LABEL_DECL_UID (node)); else pp_printf (buffer, "", DECL_UID (node)); break; case TYPE_DECL: if (DECL_IS_BUILTIN (node)) { /* Don't print the declaration of built-in types. */ break; } if (DECL_NAME (node)) dump_decl_name (buffer, node, flags); else { if ((TREE_CODE (TREE_TYPE (node)) == RECORD_TYPE || TREE_CODE (TREE_TYPE (node)) == UNION_TYPE) && TYPE_METHODS (TREE_TYPE (node))) { /* The type is a c++ class: all structures have at least 4 methods. */ pp_string (buffer, "class "); dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false); } else { pp_string (buffer, (TREE_CODE (TREE_TYPE (node)) == UNION_TYPE ? "union" : "struct ")); dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false); } } break; case VAR_DECL: case PARM_DECL: case FIELD_DECL: case NAMESPACE_DECL: dump_decl_name (buffer, node, flags); break; case RESULT_DECL: pp_string (buffer, ""); break; case COMPONENT_REF: op0 = TREE_OPERAND (node, 0); str = "."; if (TREE_CODE (op0) == INDIRECT_REF) { op0 = TREE_OPERAND (op0, 0); str = "->"; } if (op_prio (op0) < op_prio (node)) pp_character (buffer, '('); dump_generic_node (buffer, op0, spc, flags, false); if (op_prio (op0) < op_prio (node)) pp_character (buffer, ')'); pp_string (buffer, str); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); if (TREE_CODE (op0) != VALUE_HANDLE) { op0 = component_ref_field_offset (node); if (op0 && TREE_CODE (op0) != INTEGER_CST) { pp_string (buffer, "{off: "); dump_generic_node (buffer, op0, spc, flags, false); pp_character (buffer, '}'); } } break; case BIT_FIELD_REF: pp_string (buffer, "BIT_FIELD_REF <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false); pp_string (buffer, ">"); break; case ARRAY_REF: case ARRAY_RANGE_REF: op0 = TREE_OPERAND (node, 0); if (op_prio (op0) < op_prio (node)) pp_character (buffer, '('); dump_generic_node (buffer, op0, spc, flags, false); if (op_prio (op0) < op_prio (node)) pp_character (buffer, ')'); pp_character (buffer, '['); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); if (TREE_CODE (node) == ARRAY_RANGE_REF) pp_string (buffer, " ..."); pp_character (buffer, ']'); op0 = array_ref_low_bound (node); op1 = array_ref_element_size (node); if (!integer_zerop (op0) || (TYPE_SIZE_UNIT (TREE_TYPE (node)) && !operand_equal_p (op1, TYPE_SIZE_UNIT (TREE_TYPE (node)), 0))) { pp_string (buffer, "{lb: "); dump_generic_node (buffer, op0, spc, flags, false); pp_string (buffer, " sz: "); dump_generic_node (buffer, op1, spc, flags, false); pp_character (buffer, '}'); } break; case CONSTRUCTOR: { tree lnode; bool is_struct_init = FALSE; pp_character (buffer, '{'); lnode = CONSTRUCTOR_ELTS (node); if (TREE_CODE (TREE_TYPE (node)) == RECORD_TYPE || TREE_CODE (TREE_TYPE (node)) == UNION_TYPE) is_struct_init = TRUE; while (lnode && lnode != error_mark_node) { tree val; if (TREE_PURPOSE (lnode) && is_struct_init) { pp_character (buffer, '.'); dump_generic_node (buffer, TREE_PURPOSE (lnode), spc, flags, false); pp_string (buffer, "="); } val = TREE_VALUE (lnode); if (val && TREE_CODE (val) == ADDR_EXPR) if (TREE_CODE (TREE_OPERAND (val, 0)) == FUNCTION_DECL) val = TREE_OPERAND (val, 0); if (val && TREE_CODE (val) == FUNCTION_DECL) { dump_decl_name (buffer, val, flags); } else { dump_generic_node (buffer, TREE_VALUE (lnode), spc, flags, false); } lnode = TREE_CHAIN (lnode); if (lnode && TREE_CODE (lnode) == TREE_LIST) { pp_character (buffer, ','); pp_space (buffer); } } pp_character (buffer, '}'); } break; case COMPOUND_EXPR: { tree *tp; if (flags & TDF_SLIM) { pp_string (buffer, ""); break; } dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, dumping_stmts); if (dumping_stmts) newline_and_indent (buffer, spc); else { pp_character (buffer, ','); pp_space (buffer); } for (tp = &TREE_OPERAND (node, 1); TREE_CODE (*tp) == COMPOUND_EXPR; tp = &TREE_OPERAND (*tp, 1)) { dump_generic_node (buffer, TREE_OPERAND (*tp, 0), spc, flags, dumping_stmts); if (dumping_stmts) newline_and_indent (buffer, spc); else { pp_character (buffer, ','); pp_space (buffer); } } dump_generic_node (buffer, *tp, spc, flags, dumping_stmts); } break; case STATEMENT_LIST: { tree_stmt_iterator si; bool first = true; if ((flags & TDF_SLIM) || !dumping_stmts) { pp_string (buffer, ""); break; } for (si = tsi_start (node); !tsi_end_p (si); tsi_next (&si)) { if (!first) newline_and_indent (buffer, spc); else first = false; dump_generic_node (buffer, tsi_stmt (si), spc, flags, true); } } break; case MODIFY_EXPR: case INIT_EXPR: dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_space (buffer); pp_character (buffer, '='); pp_space (buffer); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); break; case TARGET_EXPR: pp_string (buffer, "TARGET_EXPR <"); dump_generic_node (buffer, TARGET_EXPR_SLOT (node), spc, flags, false); pp_character (buffer, ','); pp_space (buffer); dump_generic_node (buffer, TARGET_EXPR_INITIAL (node), spc, flags, false); pp_character (buffer, '>'); break; case DECL_EXPR: print_declaration (buffer, DECL_EXPR_DECL (node), spc, flags); is_stmt = false; break; case COND_EXPR: if (TREE_TYPE (node) == NULL || TREE_TYPE (node) == void_type_node) { pp_string (buffer, "if ("); dump_generic_node (buffer, COND_EXPR_COND (node), spc, flags, false); pp_character (buffer, ')'); /* The lowered cond_exprs should always be printed in full. */ if (COND_EXPR_THEN (node) && (IS_EMPTY_STMT (COND_EXPR_THEN (node)) || TREE_CODE (COND_EXPR_THEN (node)) == GOTO_EXPR) && COND_EXPR_ELSE (node) && (IS_EMPTY_STMT (COND_EXPR_ELSE (node)) || TREE_CODE (COND_EXPR_ELSE (node)) == GOTO_EXPR)) { pp_space (buffer); dump_generic_node (buffer, COND_EXPR_THEN (node), 0, flags, true); pp_string (buffer, " else "); dump_generic_node (buffer, COND_EXPR_ELSE (node), 0, flags, true); } else if (!(flags & TDF_SLIM)) { /* Output COND_EXPR_THEN. */ if (COND_EXPR_THEN (node)) { newline_and_indent (buffer, spc+2); pp_character (buffer, '{'); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, COND_EXPR_THEN (node), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_character (buffer, '}'); } /* Output COND_EXPR_ELSE. */ if (COND_EXPR_ELSE (node)) { newline_and_indent (buffer, spc); pp_string (buffer, "else"); newline_and_indent (buffer, spc+2); pp_character (buffer, '{'); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, COND_EXPR_ELSE (node), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_character (buffer, '}'); } } is_expr = false; } else { dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_space (buffer); pp_character (buffer, '?'); pp_space (buffer); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_space (buffer); pp_character (buffer, ':'); pp_space (buffer); dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false); } break; case BIND_EXPR: pp_character (buffer, '{'); if (!(flags & TDF_SLIM)) { if (BIND_EXPR_VARS (node)) { pp_newline (buffer); for (op0 = BIND_EXPR_VARS (node); op0; op0 = TREE_CHAIN (op0)) { print_declaration (buffer, op0, spc+2, flags); pp_newline (buffer); } } newline_and_indent (buffer, spc+2); dump_generic_node (buffer, BIND_EXPR_BODY (node), spc+2, flags, true); newline_and_indent (buffer, spc); pp_character (buffer, '}'); } is_expr = false; break; case CALL_EXPR: print_call_name (buffer, node); /* Print parameters. */ pp_space (buffer); pp_character (buffer, '('); op1 = TREE_OPERAND (node, 1); if (op1) dump_generic_node (buffer, op1, spc, flags, false); pp_character (buffer, ')'); op1 = TREE_OPERAND (node, 2); if (op1) { pp_string (buffer, " [static-chain: "); dump_generic_node (buffer, op1, spc, flags, false); pp_character (buffer, ']'); } if (CALL_EXPR_RETURN_SLOT_OPT (node)) pp_string (buffer, " [return slot optimization]"); if (CALL_EXPR_TAILCALL (node)) pp_string (buffer, " [tail call]"); break; case WITH_CLEANUP_EXPR: NIY; break; case CLEANUP_POINT_EXPR: pp_string (buffer, "<>"); break; case PLACEHOLDER_EXPR: pp_string (buffer, "'); break; /* Binary arithmetic and logic expressions. */ case MULT_EXPR: case PLUS_EXPR: case MINUS_EXPR: case TRUNC_DIV_EXPR: case CEIL_DIV_EXPR: case FLOOR_DIV_EXPR: case ROUND_DIV_EXPR: case TRUNC_MOD_EXPR: case CEIL_MOD_EXPR: case FLOOR_MOD_EXPR: case ROUND_MOD_EXPR: case RDIV_EXPR: case EXACT_DIV_EXPR: case LSHIFT_EXPR: case RSHIFT_EXPR: case LROTATE_EXPR: case RROTATE_EXPR: case VEC_LSHIFT_EXPR: case VEC_RSHIFT_EXPR: case BIT_IOR_EXPR: case BIT_XOR_EXPR: case BIT_AND_EXPR: case TRUTH_ANDIF_EXPR: case TRUTH_ORIF_EXPR: case TRUTH_AND_EXPR: case TRUTH_OR_EXPR: case TRUTH_XOR_EXPR: case LT_EXPR: case LE_EXPR: case GT_EXPR: case GE_EXPR: case EQ_EXPR: case NE_EXPR: case UNLT_EXPR: case UNLE_EXPR: case UNGT_EXPR: case UNGE_EXPR: case UNEQ_EXPR: case LTGT_EXPR: case ORDERED_EXPR: case UNORDERED_EXPR: { const char *op = op_symbol (node); op0 = TREE_OPERAND (node, 0); op1 = TREE_OPERAND (node, 1); /* When the operands are expressions with less priority, keep semantics of the tree representation. */ if (op_prio (op0) < op_prio (node)) { pp_character (buffer, '('); dump_generic_node (buffer, op0, spc, flags, false); pp_character (buffer, ')'); } else dump_generic_node (buffer, op0, spc, flags, false); pp_space (buffer); pp_string (buffer, op); pp_space (buffer); /* When the operands are expressions with less priority, keep semantics of the tree representation. */ if (op_prio (op1) < op_prio (node)) { pp_character (buffer, '('); dump_generic_node (buffer, op1, spc, flags, false); pp_character (buffer, ')'); } else dump_generic_node (buffer, op1, spc, flags, false); } break; /* Unary arithmetic and logic expressions. */ case NEGATE_EXPR: case BIT_NOT_EXPR: case TRUTH_NOT_EXPR: case ADDR_EXPR: case PREDECREMENT_EXPR: case PREINCREMENT_EXPR: case ALIGN_INDIRECT_REF: case MISALIGNED_INDIRECT_REF: case INDIRECT_REF: if (TREE_CODE (node) == ADDR_EXPR && (TREE_CODE (TREE_OPERAND (node, 0)) == STRING_CST || TREE_CODE (TREE_OPERAND (node, 0)) == FUNCTION_DECL)) ; /* Do not output '&' for strings and function pointers. */ else pp_string (buffer, op_symbol (node)); if (op_prio (TREE_OPERAND (node, 0)) < op_prio (node)) { pp_character (buffer, '('); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_character (buffer, ')'); } else dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); if (TREE_CODE (node) == MISALIGNED_INDIRECT_REF) { pp_string (buffer, "{misalignment: "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_character (buffer, '}'); } break; case POSTDECREMENT_EXPR: case POSTINCREMENT_EXPR: if (op_prio (TREE_OPERAND (node, 0)) < op_prio (node)) { pp_character (buffer, '('); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_character (buffer, ')'); } else dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, op_symbol (node)); break; case MIN_EXPR: pp_string (buffer, "MIN_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_character (buffer, '>'); break; case MAX_EXPR: pp_string (buffer, "MAX_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_character (buffer, '>'); break; case ABS_EXPR: pp_string (buffer, "ABS_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_character (buffer, '>'); break; case RANGE_EXPR: NIY; break; case FIX_TRUNC_EXPR: case FIX_CEIL_EXPR: case FIX_FLOOR_EXPR: case FIX_ROUND_EXPR: case FLOAT_EXPR: case CONVERT_EXPR: case NOP_EXPR: type = TREE_TYPE (node); op0 = TREE_OPERAND (node, 0); if (type != TREE_TYPE (op0)) { pp_character (buffer, '('); dump_generic_node (buffer, type, spc, flags, false); pp_string (buffer, ") "); } if (op_prio (op0) < op_prio (node)) pp_character (buffer, '('); dump_generic_node (buffer, op0, spc, flags, false); if (op_prio (op0) < op_prio (node)) pp_character (buffer, ')'); break; case VIEW_CONVERT_EXPR: pp_string (buffer, "VIEW_CONVERT_EXPR<"); dump_generic_node (buffer, TREE_TYPE (node), spc, flags, false); pp_string (buffer, ">("); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_character (buffer, ')'); break; case NON_LVALUE_EXPR: pp_string (buffer, "NON_LVALUE_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_character (buffer, '>'); break; case SAVE_EXPR: pp_string (buffer, "SAVE_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_character (buffer, '>'); break; case COMPLEX_EXPR: pp_string (buffer, "COMPLEX_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_string (buffer, ">"); break; case CONJ_EXPR: pp_string (buffer, "CONJ_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ">"); break; case REALPART_EXPR: pp_string (buffer, "REALPART_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ">"); break; case IMAGPART_EXPR: pp_string (buffer, "IMAGPART_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ">"); break; case VA_ARG_EXPR: pp_string (buffer, "VA_ARG_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ">"); break; case TRY_FINALLY_EXPR: case TRY_CATCH_EXPR: pp_string (buffer, "try"); newline_and_indent (buffer, spc+2); pp_string (buffer, "{"); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_string (buffer, "}"); newline_and_indent (buffer, spc); pp_string (buffer, (TREE_CODE (node) == TRY_CATCH_EXPR) ? "catch" : "finally"); newline_and_indent (buffer, spc+2); pp_string (buffer, "{"); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_string (buffer, "}"); is_expr = false; break; case CATCH_EXPR: pp_string (buffer, "catch ("); dump_generic_node (buffer, CATCH_TYPES (node), spc+2, flags, false); pp_string (buffer, ")"); newline_and_indent (buffer, spc+2); pp_string (buffer, "{"); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, CATCH_BODY (node), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_string (buffer, "}"); is_expr = false; break; case EH_FILTER_EXPR: pp_string (buffer, "<<>>"); newline_and_indent (buffer, spc+2); pp_string (buffer, "{"); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, EH_FILTER_FAILURE (node), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_string (buffer, "}"); is_expr = false; break; case LABEL_EXPR: op0 = TREE_OPERAND (node, 0); /* If this is for break or continue, don't bother printing it. */ if (DECL_NAME (op0)) { const char *name = IDENTIFIER_POINTER (DECL_NAME (op0)); if (strcmp (name, "break") == 0 || strcmp (name, "continue") == 0) break; } dump_generic_node (buffer, op0, spc, flags, false); pp_character (buffer, ':'); if (DECL_NONLOCAL (op0)) pp_string (buffer, " [non-local]"); break; case EXC_PTR_EXPR: pp_string (buffer, "<<>>"); break; case FILTER_EXPR: pp_string (buffer, "<<>>"); break; case LOOP_EXPR: pp_string (buffer, "while (1)"); if (!(flags & TDF_SLIM)) { newline_and_indent (buffer, spc+2); pp_character (buffer, '{'); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, LOOP_EXPR_BODY (node), spc+4, flags, true); newline_and_indent (buffer, spc+2); pp_character (buffer, '}'); } is_expr = false; break; case RETURN_EXPR: pp_string (buffer, "return"); op0 = TREE_OPERAND (node, 0); if (op0) { pp_space (buffer); if (TREE_CODE (op0) == MODIFY_EXPR) dump_generic_node (buffer, TREE_OPERAND (op0, 1), spc, flags, false); else dump_generic_node (buffer, op0, spc, flags, false); } break; case EXIT_EXPR: pp_string (buffer, "if ("); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ") break"); break; case SWITCH_EXPR: pp_string (buffer, "switch ("); dump_generic_node (buffer, SWITCH_COND (node), spc, flags, false); pp_character (buffer, ')'); if (!(flags & TDF_SLIM)) { newline_and_indent (buffer, spc+2); pp_character (buffer, '{'); if (SWITCH_BODY (node)) { newline_and_indent (buffer, spc+4); dump_generic_node (buffer, SWITCH_BODY (node), spc+4, flags, true); } else { tree vec = SWITCH_LABELS (node); size_t i, n = TREE_VEC_LENGTH (vec); for (i = 0; i < n; ++i) { tree elt = TREE_VEC_ELT (vec, i); newline_and_indent (buffer, spc+4); dump_generic_node (buffer, elt, spc+4, flags, false); pp_string (buffer, " goto "); dump_generic_node (buffer, CASE_LABEL (elt), spc+4, flags, true); pp_semicolon (buffer); } } newline_and_indent (buffer, spc+2); pp_character (buffer, '}'); } is_expr = false; break; case GOTO_EXPR: op0 = GOTO_DESTINATION (node); if (TREE_CODE (op0) != SSA_NAME && DECL_P (op0) && DECL_NAME (op0)) { const char *name = IDENTIFIER_POINTER (DECL_NAME (op0)); if (strcmp (name, "break") == 0 || strcmp (name, "continue") == 0) { pp_string (buffer, name); break; } } pp_string (buffer, "goto "); dump_generic_node (buffer, op0, spc, flags, false); break; case RESX_EXPR: pp_string (buffer, "resx"); /* ??? Any sensible way to present the eh region? */ break; case ASM_EXPR: pp_string (buffer, "__asm__"); if (ASM_VOLATILE_P (node)) pp_string (buffer, " __volatile__"); pp_character (buffer, '('); dump_generic_node (buffer, ASM_STRING (node), spc, flags, false); pp_character (buffer, ':'); dump_generic_node (buffer, ASM_OUTPUTS (node), spc, flags, false); pp_character (buffer, ':'); dump_generic_node (buffer, ASM_INPUTS (node), spc, flags, false); if (ASM_CLOBBERS (node)) { pp_character (buffer, ':'); dump_generic_node (buffer, ASM_CLOBBERS (node), spc, flags, false); } pp_string (buffer, ")"); break; case CASE_LABEL_EXPR: if (CASE_LOW (node) && CASE_HIGH (node)) { pp_string (buffer, "case "); dump_generic_node (buffer, CASE_LOW (node), spc, flags, false); pp_string (buffer, " ... "); dump_generic_node (buffer, CASE_HIGH (node), spc, flags, false); } else if (CASE_LOW (node)) { pp_string (buffer, "case "); dump_generic_node (buffer, CASE_LOW (node), spc, flags, false); } else pp_string (buffer, "default "); pp_character (buffer, ':'); break; case OBJ_TYPE_REF: pp_string (buffer, "OBJ_TYPE_REF("); dump_generic_node (buffer, OBJ_TYPE_REF_EXPR (node), spc, flags, false); pp_character (buffer, ';'); dump_generic_node (buffer, OBJ_TYPE_REF_OBJECT (node), spc, flags, false); pp_character (buffer, '-'); pp_character (buffer, '>'); dump_generic_node (buffer, OBJ_TYPE_REF_TOKEN (node), spc, flags, false); pp_character (buffer, ')'); break; case PHI_NODE: { int i; dump_generic_node (buffer, PHI_RESULT (node), spc, flags, false); pp_string (buffer, " = PHI <"); for (i = 0; i < PHI_NUM_ARGS (node); i++) { dump_generic_node (buffer, PHI_ARG_DEF (node, i), spc, flags, false); pp_string (buffer, "("); pp_decimal_int (buffer, PHI_ARG_EDGE (node, i)->src->index); pp_string (buffer, ")"); if (i < PHI_NUM_ARGS (node) - 1) pp_string (buffer, ", "); } pp_string (buffer, ">;"); } break; case SSA_NAME: dump_generic_node (buffer, SSA_NAME_VAR (node), spc, flags, false); pp_string (buffer, "_"); pp_decimal_int (buffer, SSA_NAME_VERSION (node)); if (SSA_NAME_OCCURS_IN_ABNORMAL_PHI (node)) pp_string (buffer, "(ab)"); break; case WITH_SIZE_EXPR: pp_string (buffer, "WITH_SIZE_EXPR <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_string (buffer, ">"); break; case VALUE_HANDLE: pp_printf (buffer, "VH.%d", VALUE_HANDLE_ID (node)); break; case ASSERT_EXPR: pp_string (buffer, "ASSERT_EXPR <"); dump_generic_node (buffer, ASSERT_EXPR_VAR (node), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, ASSERT_EXPR_COND (node), spc, flags, false); pp_string (buffer, ">"); break; case SCEV_KNOWN: pp_string (buffer, "scev_known"); break; case SCEV_NOT_KNOWN: pp_string (buffer, "scev_not_known"); break; case POLYNOMIAL_CHREC: pp_string (buffer, "{"); dump_generic_node (buffer, CHREC_LEFT (node), spc, flags, false); pp_string (buffer, ", +, "); dump_generic_node (buffer, CHREC_RIGHT (node), spc, flags, false); pp_string (buffer, "}_"); dump_generic_node (buffer, CHREC_VAR (node), spc, flags, false); is_stmt = false; break; case REALIGN_LOAD_EXPR: pp_string (buffer, "REALIGN_LOAD <"); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_string (buffer, ", "); dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false); pp_string (buffer, ">"); break; case VEC_COND_EXPR: pp_string (buffer, " VEC_COND_EXPR < "); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, " , "); dump_generic_node (buffer, TREE_OPERAND (node, 1), spc, flags, false); pp_string (buffer, " , "); dump_generic_node (buffer, TREE_OPERAND (node, 2), spc, flags, false); pp_string (buffer, " > "); break; case REDUC_MAX_EXPR: pp_string (buffer, " REDUC_MAX_EXPR < "); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, " > "); break; case REDUC_MIN_EXPR: pp_string (buffer, " REDUC_MIN_EXPR < "); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, " > "); break; case REDUC_PLUS_EXPR: pp_string (buffer, " REDUC_PLUS_EXPR < "); dump_generic_node (buffer, TREE_OPERAND (node, 0), spc, flags, false); pp_string (buffer, " > "); break; default: NIY; } if (is_stmt && is_expr) pp_semicolon (buffer); pp_write_text_to_stream (buffer); return spc; } /* Print the declaration of a variable. */ static void print_declaration (pretty_printer *buffer, tree t, int spc, int flags) { INDENT (spc); if (TREE_CODE (t) == TYPE_DECL) pp_string (buffer, "typedef "); if (DECL_REGISTER (t)) pp_string (buffer, "register "); if (TREE_PUBLIC (t) && DECL_EXTERNAL (t)) pp_string (buffer, "extern "); else if (TREE_STATIC (t)) pp_string (buffer, "static "); /* Print the type and name. */ if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE) { tree tmp; /* Print array's type. */ tmp = TREE_TYPE (t); while (TREE_CODE (TREE_TYPE (tmp)) == ARRAY_TYPE) tmp = TREE_TYPE (tmp); dump_generic_node (buffer, TREE_TYPE (tmp), spc, flags, false); /* Print variable's name. */ pp_space (buffer); dump_generic_node (buffer, t, spc, flags, false); /* Print the dimensions. */ tmp = TREE_TYPE (t); while (TREE_CODE (tmp) == ARRAY_TYPE) { dump_array_domain (buffer, TYPE_DOMAIN (tmp), spc, flags); tmp = TREE_TYPE (tmp); } } else if (TREE_CODE (t) == FUNCTION_DECL) { dump_generic_node (buffer, TREE_TYPE (TREE_TYPE (t)), spc, flags, false); pp_space (buffer); dump_decl_name (buffer, t, flags); dump_function_declaration (buffer, TREE_TYPE (t), spc, flags); } else { /* Print type declaration. */ dump_generic_node (buffer, TREE_TYPE (t), spc, flags, false); /* Print variable's name. */ pp_space (buffer); dump_generic_node (buffer, t, spc, flags, false); } if (TREE_CODE (t) == VAR_DECL && DECL_HARD_REGISTER (t)) { pp_string (buffer, " __asm__ "); pp_character (buffer, '('); dump_generic_node (buffer, DECL_ASSEMBLER_NAME (t), spc, flags, false); pp_character (buffer, ')'); } /* The initial value of a function serves to determine wether the function is declared or defined. So the following does not apply to function nodes. */ if (TREE_CODE (t) != FUNCTION_DECL) { /* Print the initial value. */ if (DECL_INITIAL (t)) { pp_space (buffer); pp_character (buffer, '='); pp_space (buffer); dump_generic_node (buffer, DECL_INITIAL (t), spc, flags, false); } } pp_character (buffer, ';'); } /* Prints a structure: name, fields, and methods. FIXME: Still incomplete. */ static void print_struct_decl (pretty_printer *buffer, tree node, int spc, int flags) { /* Print the name of the structure. */ if (TYPE_NAME (node)) { INDENT (spc); if (TREE_CODE (node) == RECORD_TYPE) pp_string (buffer, "struct "); else if ((TREE_CODE (node) == UNION_TYPE || TREE_CODE (node) == QUAL_UNION_TYPE)) pp_string (buffer, "union "); dump_generic_node (buffer, TYPE_NAME (node), spc, 0, false); } /* Print the contents of the structure. */ pp_newline (buffer); INDENT (spc); pp_character (buffer, '{'); pp_newline (buffer); /* Print the fields of the structure. */ { tree tmp; tmp = TYPE_FIELDS (node); while (tmp) { /* Avoid to print recursively the structure. */ /* FIXME : Not implemented correctly..., what about the case when we have a cycle in the contain graph? ... Maybe this could be solved by looking at the scope in which the structure was declared. */ if (TREE_TYPE (tmp) != node || (TREE_CODE (TREE_TYPE (tmp)) == POINTER_TYPE && TREE_TYPE (TREE_TYPE (tmp)) != node)) { print_declaration (buffer, tmp, spc+2, flags); pp_newline (buffer); } tmp = TREE_CHAIN (tmp); } } INDENT (spc); pp_character (buffer, '}'); } /* Return the priority of the operator OP. From lowest to highest precedence with either left-to-right (L-R) or right-to-left (R-L) associativity]: 1 [L-R] , 2 [R-L] = += -= *= /= %= &= ^= |= <<= >>= 3 [R-L] ?: 4 [L-R] || 5 [L-R] && 6 [L-R] | 7 [L-R] ^ 8 [L-R] & 9 [L-R] == != 10 [L-R] < <= > >= 11 [L-R] << >> 12 [L-R] + - 13 [L-R] * / % 14 [R-L] ! ~ ++ -- + - * & (type) sizeof 15 [L-R] fn() [] -> . unary +, - and * have higher precedence than the corresponding binary operators. */ static int op_prio (tree op) { if (op == NULL) return 9999; switch (TREE_CODE (op)) { case TREE_LIST: case COMPOUND_EXPR: case BIND_EXPR: return 1; case MODIFY_EXPR: case INIT_EXPR: return 2; case COND_EXPR: return 3; case TRUTH_OR_EXPR: case TRUTH_ORIF_EXPR: return 4; case TRUTH_AND_EXPR: case TRUTH_ANDIF_EXPR: return 5; case BIT_IOR_EXPR: return 6; case BIT_XOR_EXPR: case TRUTH_XOR_EXPR: return 7; case BIT_AND_EXPR: return 8; case EQ_EXPR: case NE_EXPR: return 9; case UNLT_EXPR: case UNLE_EXPR: case UNGT_EXPR: case UNGE_EXPR: case UNEQ_EXPR: case LTGT_EXPR: case ORDERED_EXPR: case UNORDERED_EXPR: case LT_EXPR: case LE_EXPR: case GT_EXPR: case GE_EXPR: return 10; case LSHIFT_EXPR: case RSHIFT_EXPR: case LROTATE_EXPR: case RROTATE_EXPR: return 11; case PLUS_EXPR: case MINUS_EXPR: return 12; case MULT_EXPR: case TRUNC_DIV_EXPR: case CEIL_DIV_EXPR: case FLOOR_DIV_EXPR: case ROUND_DIV_EXPR: case RDIV_EXPR: case EXACT_DIV_EXPR: case TRUNC_MOD_EXPR: case CEIL_MOD_EXPR: case FLOOR_MOD_EXPR: case ROUND_MOD_EXPR: return 13; case TRUTH_NOT_EXPR: case BIT_NOT_EXPR: case POSTINCREMENT_EXPR: case POSTDECREMENT_EXPR: case PREINCREMENT_EXPR: case PREDECREMENT_EXPR: case NEGATE_EXPR: case ALIGN_INDIRECT_REF: case MISALIGNED_INDIRECT_REF: case INDIRECT_REF: case ADDR_EXPR: case FLOAT_EXPR: case NOP_EXPR: case CONVERT_EXPR: case FIX_TRUNC_EXPR: case FIX_CEIL_EXPR: case FIX_FLOOR_EXPR: case FIX_ROUND_EXPR: case TARGET_EXPR: return 14; case CALL_EXPR: case ARRAY_REF: case ARRAY_RANGE_REF: case COMPONENT_REF: return 15; /* Special expressions. */ case MIN_EXPR: case MAX_EXPR: case ABS_EXPR: case REALPART_EXPR: case IMAGPART_EXPR: case REDUC_MAX_EXPR: case REDUC_MIN_EXPR: case REDUC_PLUS_EXPR: case VEC_LSHIFT_EXPR: case VEC_RSHIFT_EXPR: return 16; case SAVE_EXPR: case NON_LVALUE_EXPR: return op_prio (TREE_OPERAND (op, 0)); default: /* Return an arbitrarily high precedence to avoid surrounding single VAR_DECLs in ()s. */ return 9999; } } /* Return the symbol associated with operator OP. */ static const char * op_symbol (tree op) { gcc_assert (op); switch (TREE_CODE (op)) { case MODIFY_EXPR: return "="; case TRUTH_OR_EXPR: case TRUTH_ORIF_EXPR: return "||"; case TRUTH_AND_EXPR: case TRUTH_ANDIF_EXPR: return "&&"; case BIT_IOR_EXPR: return "|"; case TRUTH_XOR_EXPR: case BIT_XOR_EXPR: return "^"; case ADDR_EXPR: case BIT_AND_EXPR: return "&"; case ORDERED_EXPR: return "ord"; case UNORDERED_EXPR: return "unord"; case EQ_EXPR: return "=="; case UNEQ_EXPR: return "u=="; case NE_EXPR: return "!="; case LT_EXPR: return "<"; case UNLT_EXPR: return "u<"; case LE_EXPR: return "<="; case UNLE_EXPR: return "u<="; case GT_EXPR: return ">"; case UNGT_EXPR: return "u>"; case GE_EXPR: return ">="; case UNGE_EXPR: return "u>="; case LTGT_EXPR: return "<>"; case LSHIFT_EXPR: return "<<"; case RSHIFT_EXPR: return ">>"; case VEC_LSHIFT_EXPR: return "v<<"; case VEC_RSHIFT_EXPR: return "v>>"; case PLUS_EXPR: return "+"; case REDUC_PLUS_EXPR: return "r+"; case NEGATE_EXPR: case MINUS_EXPR: return "-"; case BIT_NOT_EXPR: return "~"; case TRUTH_NOT_EXPR: return "!"; case MULT_EXPR: case INDIRECT_REF: return "*"; case ALIGN_INDIRECT_REF: return "A*"; case MISALIGNED_INDIRECT_REF: return "M*"; case TRUNC_DIV_EXPR: case RDIV_EXPR: return "/"; case CEIL_DIV_EXPR: return "/[cl]"; case FLOOR_DIV_EXPR: return "/[fl]"; case ROUND_DIV_EXPR: return "/[rd]"; case EXACT_DIV_EXPR: return "/[ex]"; case TRUNC_MOD_EXPR: return "%"; case CEIL_MOD_EXPR: return "%[cl]"; case FLOOR_MOD_EXPR: return "%[fl]"; case ROUND_MOD_EXPR: return "%[rd]"; case PREDECREMENT_EXPR: return " --"; case PREINCREMENT_EXPR: return " ++"; case POSTDECREMENT_EXPR: return "-- "; case POSTINCREMENT_EXPR: return "++ "; default: return "<<< ??? >>>"; } } /* Prints the name of a CALL_EXPR. */ static void print_call_name (pretty_printer *buffer, tree node) { tree op0; gcc_assert (TREE_CODE (node) == CALL_EXPR); op0 = TREE_OPERAND (node, 0); if (TREE_CODE (op0) == NON_LVALUE_EXPR) op0 = TREE_OPERAND (op0, 0); switch (TREE_CODE (op0)) { case VAR_DECL: case PARM_DECL: dump_function_name (buffer, op0); break; case ADDR_EXPR: case INDIRECT_REF: case NOP_EXPR: dump_generic_node (buffer, TREE_OPERAND (op0, 0), 0, 0, false); break; case COND_EXPR: pp_string (buffer, "("); dump_generic_node (buffer, TREE_OPERAND (op0, 0), 0, 0, false); pp_string (buffer, ") ? "); dump_generic_node (buffer, TREE_OPERAND (op0, 1), 0, 0, false); pp_string (buffer, " : "); dump_generic_node (buffer, TREE_OPERAND (op0, 2), 0, 0, false); break; case COMPONENT_REF: /* The function is a pointer contained in a structure. */ if (TREE_CODE (TREE_OPERAND (op0, 0)) == INDIRECT_REF || TREE_CODE (TREE_OPERAND (op0, 0)) == VAR_DECL) dump_function_name (buffer, TREE_OPERAND (op0, 1)); else dump_generic_node (buffer, TREE_OPERAND (op0, 0), 0, 0, false); /* else We can have several levels of structures and a function pointer inside. This is not implemented yet... */ /* NIY;*/ break; case ARRAY_REF: if (TREE_CODE (TREE_OPERAND (op0, 0)) == VAR_DECL) dump_function_name (buffer, TREE_OPERAND (op0, 0)); else dump_generic_node (buffer, op0, 0, 0, false); break; case SSA_NAME: case OBJ_TYPE_REF: dump_generic_node (buffer, op0, 0, 0, false); break; default: NIY; } } /* Parses the string STR and replaces new-lines by '\n', tabs by '\t', ... */ static void pretty_print_string (pretty_printer *buffer, const char *str) { if (str == NULL) return; while (*str) { switch (str[0]) { case '\b': pp_string (buffer, "\\b"); break; case '\f': pp_string (buffer, "\\f"); break; case '\n': pp_string (buffer, "\\n"); break; case '\r': pp_string (buffer, "\\r"); break; case '\t': pp_string (buffer, "\\t"); break; case '\v': pp_string (buffer, "\\v"); break; case '\\': pp_string (buffer, "\\\\"); break; case '\"': pp_string (buffer, "\\\""); break; case '\'': pp_string (buffer, "\\'"); break; case '\0': pp_string (buffer, "\\0"); break; case '\1': pp_string (buffer, "\\1"); break; case '\2': pp_string (buffer, "\\2"); break; case '\3': pp_string (buffer, "\\3"); break; case '\4': pp_string (buffer, "\\4"); break; case '\5': pp_string (buffer, "\\5"); break; case '\6': pp_string (buffer, "\\6"); break; case '\7': pp_string (buffer, "\\7"); break; default: pp_character (buffer, str[0]); break; } str++; } } static void maybe_init_pretty_print (FILE *file) { if (!initialized) { pp_construct (&buffer, /* prefix */NULL, /* line-width */0); pp_needs_newline (&buffer) = true; initialized = 1; } buffer.buffer->stream = file; } static void newline_and_indent (pretty_printer *buffer, int spc) { pp_newline (buffer); INDENT (spc); } static void dump_vops (pretty_printer *buffer, tree stmt, int spc, int flags) { tree use; use_operand_p use_p; def_operand_p def_p; use_operand_p kill_p; ssa_op_iter iter; if (!ssa_operands_active ()) return; FOR_EACH_SSA_MAYDEF_OPERAND (def_p, use_p, stmt, iter) { pp_string (buffer, "# "); dump_generic_node (buffer, DEF_FROM_PTR (def_p), spc + 2, flags, false); pp_string (buffer, " = V_MAY_DEF <"); dump_generic_node (buffer, USE_FROM_PTR (use_p), spc + 2, flags, false); pp_string (buffer, ">;"); newline_and_indent (buffer, spc); } FOR_EACH_SSA_MUSTDEF_OPERAND (def_p, kill_p, stmt, iter) { pp_string (buffer, "# "); dump_generic_node (buffer, DEF_FROM_PTR (def_p), spc + 2, flags, false); pp_string (buffer, " = V_MUST_DEF <"); dump_generic_node (buffer, USE_FROM_PTR (kill_p), spc + 2, flags, false); pp_string (buffer, ">;"); newline_and_indent (buffer, spc); } FOR_EACH_SSA_TREE_OPERAND (use, stmt, iter, SSA_OP_VUSE) { pp_string (buffer, "# VUSE <"); dump_generic_node (buffer, use, spc + 2, flags, false); pp_string (buffer, ">;"); newline_and_indent (buffer, spc); } } /* Dumps basic block BB to FILE with details described by FLAGS and indented by INDENT spaces. */ void dump_generic_bb (FILE *file, basic_block bb, int indent, int flags) { maybe_init_pretty_print (file); dumping_stmts = true; dump_generic_bb_buff (&buffer, bb, indent, flags); pp_flush (&buffer); } /* Dumps header of basic block BB to buffer BUFFER indented by INDENT spaces and details described by flags. */ static void dump_bb_header (pretty_printer *buffer, basic_block bb, int indent, int flags) { edge e; tree stmt; edge_iterator ei; if (flags & TDF_BLOCKS) { INDENT (indent); pp_string (buffer, "# BLOCK "); pp_decimal_int (buffer, bb->index); if (flags & TDF_LINENO) { block_stmt_iterator bsi; for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi)) if (get_lineno (bsi_stmt (bsi)) != -1) { pp_string (buffer, ", starting at line "); pp_decimal_int (buffer, get_lineno (bsi_stmt (bsi))); break; } } newline_and_indent (buffer, indent); pp_string (buffer, "# PRED:"); pp_write_text_to_stream (buffer); FOR_EACH_EDGE (e, ei, bb->preds) if (flags & TDF_SLIM) { pp_string (buffer, " "); if (e->src == ENTRY_BLOCK_PTR) pp_string (buffer, "ENTRY"); else pp_decimal_int (buffer, e->src->index); } else dump_edge_info (buffer->buffer->stream, e, 0); pp_newline (buffer); } else { stmt = first_stmt (bb); if (!stmt || TREE_CODE (stmt) != LABEL_EXPR) { INDENT (indent - 2); pp_string (buffer, "index); pp_string (buffer, ">:"); pp_newline (buffer); } } pp_write_text_to_stream (buffer); check_bb_profile (bb, buffer->buffer->stream); } /* Dumps end of basic block BB to buffer BUFFER indented by INDENT spaces. */ static void dump_bb_end (pretty_printer *buffer, basic_block bb, int indent, int flags) { edge e; edge_iterator ei; INDENT (indent); pp_string (buffer, "# SUCC:"); pp_write_text_to_stream (buffer); FOR_EACH_EDGE (e, ei, bb->succs) if (flags & TDF_SLIM) { pp_string (buffer, " "); if (e->dest == EXIT_BLOCK_PTR) pp_string (buffer, "EXIT"); else pp_decimal_int (buffer, e->dest->index); } else dump_edge_info (buffer->buffer->stream, e, 1); pp_newline (buffer); } /* Dumps phi nodes of basic block BB to buffer BUFFER with details described by FLAGS indented by INDENT spaces. */ static void dump_phi_nodes (pretty_printer *buffer, basic_block bb, int indent, int flags) { tree phi = phi_nodes (bb); if (!phi) return; for (; phi; phi = PHI_CHAIN (phi)) { if (is_gimple_reg (PHI_RESULT (phi)) || (flags & TDF_VOPS)) { INDENT (indent); pp_string (buffer, "# "); dump_generic_node (buffer, phi, indent, flags, false); pp_newline (buffer); } } } /* Dump jump to basic block BB that is represented implicitly in the cfg to BUFFER. */ static void pp_cfg_jump (pretty_printer *buffer, basic_block bb) { tree stmt; stmt = first_stmt (bb); pp_string (buffer, "goto index); pp_string (buffer, ">"); if (stmt && TREE_CODE (stmt) == LABEL_EXPR) { pp_string (buffer, " ("); dump_generic_node (buffer, LABEL_EXPR_LABEL (stmt), 0, 0, false); pp_string (buffer, ")"); } pp_semicolon (buffer); } /* Dump edges represented implicitly in basic block BB to BUFFER, indented by INDENT spaces, with details given by FLAGS. */ static void dump_implicit_edges (pretty_printer *buffer, basic_block bb, int indent, int flags) { edge e; edge_iterator ei; /* If there is a fallthru edge, we may need to add an artificial goto to the dump. */ FOR_EACH_EDGE (e, ei, bb->succs) if (e->flags & EDGE_FALLTHRU) break; if (e && e->dest != bb->next_bb) { INDENT (indent); if ((flags & TDF_LINENO) #ifdef USE_MAPPED_LOCATION && e->goto_locus != UNKNOWN_LOCATION #else && e->goto_locus #endif ) { expanded_location goto_xloc; #ifdef USE_MAPPED_LOCATION goto_xloc = expand_location (e->goto_locus); #else goto_xloc = *e->goto_locus; #endif pp_character (buffer, '['); if (goto_xloc.file) { pp_string (buffer, goto_xloc.file); pp_string (buffer, " : "); } pp_decimal_int (buffer, goto_xloc.line); pp_string (buffer, "] "); } pp_cfg_jump (buffer, e->dest); pp_newline (buffer); } } /* Dumps basic block BB to buffer BUFFER with details described by FLAGS and indented by INDENT spaces. */ static void dump_generic_bb_buff (pretty_printer *buffer, basic_block bb, int indent, int flags) { block_stmt_iterator bsi; tree stmt; int label_indent = indent - 2; if (label_indent < 0) label_indent = 0; dump_bb_header (buffer, bb, indent, flags); dump_phi_nodes (buffer, bb, indent, flags); for (bsi = bsi_start (bb); !bsi_end_p (bsi); bsi_next (&bsi)) { int curr_indent; stmt = bsi_stmt (bsi); curr_indent = TREE_CODE (stmt) == LABEL_EXPR ? label_indent : indent; INDENT (curr_indent); dump_generic_node (buffer, stmt, curr_indent, flags, true); pp_newline (buffer); } dump_implicit_edges (buffer, bb, indent, flags); if (flags & TDF_BLOCKS) dump_bb_end (buffer, bb, indent, flags); }