diff options
Diffstat (limited to 'gcc/c/c-parser.cc')
| -rw-r--r-- | gcc/c/c-parser.cc | 482 |
1 files changed, 422 insertions, 60 deletions
diff --git a/gcc/c/c-parser.cc b/gcc/c/c-parser.cc index 8a63dc5..0c3e3e2 100644 --- a/gcc/c/c-parser.cc +++ b/gcc/c/c-parser.cc @@ -77,7 +77,7 @@ along with GCC; see the file COPYING3. If not see #include "asan.h" #include "c-family/c-ubsan.h" #include "gcc-urlifier.h" - + /* We need to walk over decls with incomplete struct/union/enum types after parsing the whole translation unit. In finish_decl(), if the decl is static, has incomplete @@ -1420,6 +1420,51 @@ c_parser_skip_to_end_of_parameter (c_parser *parser) parser->error = false; } +/* Skip tokens until a non-nested closing curly brace is the next + token, or there are no more tokens. Return true in the first case, + false otherwise. */ + +static bool +c_parser_skip_to_closing_brace (c_parser *parser) +{ + unsigned nesting_depth = 0; + + while (true) + { + c_token *token = c_parser_peek_token (parser); + + switch (token->type) + { + case CPP_PRAGMA_EOL: + if (!parser->in_pragma) + break; + /* FALLTHRU */ + case CPP_EOF: + /* If we've run out of tokens, stop. */ + return false; + + case CPP_CLOSE_BRACE: + /* If the next token is a non-nested `}', then we have reached + the end of the current block. */ + if (nesting_depth-- == 0) + return true; + break; + + case CPP_OPEN_BRACE: + /* If it the next token is a `{', then we are entering a new + block. Consume the entire block. */ + ++nesting_depth; + break; + + default: + break; + } + + /* Consume the token. */ + c_parser_consume_token (parser); + } +} + /* Expect to be at the end of the pragma directive and consume an end of line marker. */ @@ -1535,7 +1580,7 @@ c_parser_skip_to_end_of_block_or_statement (c_parser *parser, here for secondary error recovery, after parser->error has been cleared. */ c_parser_consume_pragma (parser); - c_parser_skip_to_pragma_eol (parser); + c_parser_skip_to_pragma_eol (parser, false); parser->error = save_error; continue; @@ -1737,7 +1782,10 @@ static struct c_expr c_parser_binary_expression (c_parser *, struct c_expr *, tree); static struct c_expr c_parser_cast_expression (c_parser *, struct c_expr *); static struct c_expr c_parser_unary_expression (c_parser *); -static struct c_expr c_parser_sizeof_expression (c_parser *); +static inline struct c_expr c_parser_sizeof_expression (c_parser *); +static inline struct c_expr c_parser_countof_expression (c_parser *); +static struct c_expr c_parser_sizeof_or_countof_expression (c_parser *, + enum rid); static struct c_expr c_parser_alignof_expression (c_parser *); static struct c_expr c_parser_postfix_expression (c_parser *); static struct c_expr c_parser_postfix_expression_after_paren_type (c_parser *, @@ -10452,9 +10500,13 @@ c_parser_cast_expression (c_parser *parser, struct c_expr *after) ++ unary-expression -- unary-expression unary-operator cast-expression + _Countof unary-expression + _Countof ( type-name ) sizeof unary-expression sizeof ( type-name ) + (_Countof is new in C2y.) + unary-operator: one of & * + - ~ ! @@ -10572,6 +10624,8 @@ c_parser_unary_expression (c_parser *parser) case CPP_KEYWORD: switch (c_parser_peek_token (parser)->keyword) { + case RID_COUNTOF: + return c_parser_countof_expression (parser); case RID_SIZEOF: return c_parser_sizeof_expression (parser); case RID_ALIGNOF: @@ -10610,22 +10664,46 @@ c_parser_unary_expression (c_parser *parser) /* Parse a sizeof expression. */ -static struct c_expr +static inline struct c_expr c_parser_sizeof_expression (c_parser *parser) { + return c_parser_sizeof_or_countof_expression (parser, RID_SIZEOF); +} + +/* Parse a _Countof expression. */ + +static inline struct c_expr +c_parser_countof_expression (c_parser *parser) +{ + return c_parser_sizeof_or_countof_expression (parser, RID_COUNTOF); +} + +/* Parse a sizeof or _Countof expression. */ + +static struct c_expr +c_parser_sizeof_or_countof_expression (c_parser *parser, enum rid rid) +{ + const char *op_name = (rid == RID_COUNTOF) ? "_Countof" : "sizeof"; struct c_expr expr; struct c_expr result; location_t expr_loc; - gcc_assert (c_parser_next_token_is_keyword (parser, RID_SIZEOF)); + gcc_assert (c_parser_next_token_is_keyword (parser, rid)); location_t start; location_t finish = UNKNOWN_LOCATION; start = c_parser_peek_token (parser)->location; + if (rid == RID_COUNTOF) + pedwarn_c23 (start, OPT_Wpedantic, + "ISO C does not support %qs before C2Y", op_name); + c_parser_consume_token (parser); c_inhibit_evaluation_warnings++; - in_sizeof++; + if (rid == RID_COUNTOF) + in_countof++; + else + in_sizeof++; if (c_parser_next_token_is (parser, CPP_OPEN_PAREN) && c_token_starts_compound_literal (c_parser_peek_2nd_token (parser))) { @@ -10646,7 +10724,7 @@ c_parser_sizeof_expression (c_parser *parser) for parsing error; the parsing of the expression could have called record_maybe_used_decl. */ expr.set_error (); - goto sizeof_expr; + goto Xof_expr; } if (c_parser_next_token_is (parser, CPP_OPEN_BRACE)) { @@ -10654,31 +10732,45 @@ c_parser_sizeof_expression (c_parser *parser) type_name, expr_loc); finish = expr.get_finish (); - goto sizeof_expr; + goto Xof_expr; } /* sizeof ( type-name ). */ if (scspecs) - error_at (expr_loc, "storage class specifier in %<sizeof%>"); + error_at (expr_loc, "storage class specifier in %qs", op_name); if (type_name->specs->alignas_p) error_at (type_name->specs->locations[cdw_alignas], - "alignment specified for type name in %<sizeof%>"); + "alignment specified for type name in %qs", op_name); c_inhibit_evaluation_warnings--; - in_sizeof--; - result = c_expr_sizeof_type (expr_loc, type_name); + if (rid == RID_COUNTOF) + { + in_countof--; + result = c_expr_countof_type (expr_loc, type_name); + } + else + { + in_sizeof--; + result = c_expr_sizeof_type (expr_loc, type_name); + } } else { expr_loc = c_parser_peek_token (parser)->location; expr = c_parser_unary_expression (parser); finish = expr.get_finish (); - sizeof_expr: + Xof_expr: c_inhibit_evaluation_warnings--; - in_sizeof--; + if (rid == RID_COUNTOF) + in_countof--; + else + in_sizeof--; mark_exp_read (expr.value); if (TREE_CODE (expr.value) == COMPONENT_REF && DECL_C_BIT_FIELD (TREE_OPERAND (expr.value, 1))) - error_at (expr_loc, "%<sizeof%> applied to a bit-field"); - result = c_expr_sizeof_expr (expr_loc, expr); + error_at (expr_loc, "%qs applied to a bit-field", op_name); + if (rid == RID_COUNTOF) + result = c_expr_countof_expr (expr_loc, expr); + else + result = c_expr_sizeof_expr (expr_loc, expr); } if (finish == UNKNOWN_LOCATION) finish = start; @@ -11054,8 +11146,14 @@ c_parser_generic_selection (c_parser *parser) "ISO C does not support use of type name as %<_Generic%> " "controlling operand before C2Y"); struct c_type_name *type = c_parser_type_name (parser); - selector_type = groktypename (type, NULL, NULL); + if (type) + selector_type = groktypename (type, NULL, NULL); c_inhibit_evaluation_warnings--; + if (!type) + { + c_parser_skip_until_found (parser, CPP_CLOSE_PAREN, NULL); + return error_expr; + } } else { @@ -19941,11 +20039,11 @@ c_parser_omp_clause_doacross (c_parser *parser, tree list) always | close */ static tree -c_parser_omp_clause_map (c_parser *parser, tree list) +c_parser_omp_clause_map (c_parser *parser, tree list, bool declare_mapper_p) { location_t clause_loc = c_parser_peek_token (parser)->location; - enum gomp_map_kind kind = GOMP_MAP_TOFROM; tree nl, c; + enum gomp_map_kind kind = declare_mapper_p ? GOMP_MAP_UNSET : GOMP_MAP_TOFROM; matching_parens parens; if (!parens.require_open (parser)) @@ -19963,12 +20061,26 @@ c_parser_omp_clause_map (c_parser *parser, tree list) if (c_parser_peek_nth_token_raw (parser, pos + 1)->type == CPP_COMMA) pos++; + else if (c_parser_peek_nth_token_raw (parser, pos + 1)->type + == CPP_OPEN_PAREN) + { + unsigned int npos = pos + 2; + if (c_parser_check_balanced_raw_token_sequence (parser, &npos) + && (c_parser_peek_nth_token_raw (parser, npos)->type + == CPP_CLOSE_PAREN) + && (c_parser_peek_nth_token_raw (parser, npos + 1)->type + == CPP_COMMA)) + pos = npos + 1; + } + pos++; } int always_modifier = 0; int close_modifier = 0; int present_modifier = 0; + int mapper_modifier = 0; + tree mapper_name = NULL_TREE; for (int pos = 1; pos < map_kind_pos; ++pos) { c_token *tok = c_parser_peek_token (parser); @@ -19989,6 +20101,7 @@ c_parser_omp_clause_map (c_parser *parser, tree list) return list; } always_modifier++; + c_parser_consume_token (parser); } else if (strcmp ("close", p) == 0) { @@ -19999,6 +20112,66 @@ c_parser_omp_clause_map (c_parser *parser, tree list) return list; } close_modifier++; + c_parser_consume_token (parser); + } + else if (strcmp ("mapper", p) == 0) + { + c_parser_consume_token (parser); + + matching_parens mparens; + if (mparens.require_open (parser)) + { + if (mapper_modifier) + { + c_parser_error (parser, "too many %<mapper%> modifiers"); + /* Assume it's a well-formed mapper modifier, even if it + seems to be in the wrong place. */ + c_parser_consume_token (parser); + mparens.require_close (parser); + parens.skip_until_found_close (parser); + return list; + } + + tok = c_parser_peek_token (parser); + + switch (tok->type) + { + case CPP_NAME: + { + mapper_name = tok->value; + c_parser_consume_token (parser); + if (declare_mapper_p) + { + error_at (tok->location, + "in %<declare mapper%> directives, parameter " + "to %<mapper%> modifier must be %<default%>"); + } + } + break; + + case CPP_KEYWORD: + if (tok->keyword == RID_DEFAULT) + { + c_parser_consume_token (parser); + break; + } + /* Fallthrough. */ + + default: + error_at (tok->location, + "expected identifier or %<default%>"); + return list; + } + + if (!mparens.require_close (parser)) + { + parens.skip_until_found_close (parser); + return list; + } + + mapper_modifier++; + pos += 3; + } } else if (strcmp ("present", p) == 0) { @@ -20009,16 +20182,16 @@ c_parser_omp_clause_map (c_parser *parser, tree list) return list; } present_modifier++; + c_parser_consume_token (parser); } else { c_parser_error (parser, "%<map%> clause with map-type modifier other " - "than %<always%>, %<close%> or %<present%>"); + "than %<always%>, %<close%>, %<mapper%> or " + "%<present%>"); parens.skip_until_found_close (parser); return list; } - - c_parser_consume_token (parser); } if (c_parser_next_token_is (parser, CPP_NAME) @@ -20062,8 +20235,30 @@ c_parser_omp_clause_map (c_parser *parser, tree list) nl = c_parser_omp_variable_list (parser, clause_loc, OMP_CLAUSE_MAP, list, true); + tree last_new = NULL_TREE; + for (c = nl; c != list; c = OMP_CLAUSE_CHAIN (c)) - OMP_CLAUSE_SET_MAP_KIND (c, kind); + { + OMP_CLAUSE_SET_MAP_KIND (c, kind); + last_new = c; + } + + if (mapper_name) + { + tree name = build_omp_clause (input_location, OMP_CLAUSE_MAP); + OMP_CLAUSE_SET_MAP_KIND (name, GOMP_MAP_PUSH_MAPPER_NAME); + OMP_CLAUSE_DECL (name) = mapper_name; + OMP_CLAUSE_CHAIN (name) = nl; + nl = name; + + gcc_assert (last_new); + + name = build_omp_clause (input_location, OMP_CLAUSE_MAP); + OMP_CLAUSE_SET_MAP_KIND (name, GOMP_MAP_POP_MAPPER_NAME); + OMP_CLAUSE_DECL (name) = null_pointer_node; + OMP_CLAUSE_CHAIN (name) = OMP_CLAUSE_CHAIN (last_new); + OMP_CLAUSE_CHAIN (last_new) = name; + } parens.skip_until_found_close (parser); return nl; @@ -21432,7 +21627,7 @@ c_parser_omp_all_clauses (c_parser *parser, omp_clause_mask mask, c_name = "interop"; break; case PRAGMA_OMP_CLAUSE_MAP: - clauses = c_parser_omp_clause_map (parser, clauses); + clauses = c_parser_omp_clause_map (parser, clauses, false); c_name = "map"; break; case PRAGMA_OMP_CLAUSE_USE_DEVICE_PTR: @@ -22306,7 +22501,8 @@ c_parser_oacc_update (c_parser *parser) */ #define OACC_WAIT_CLAUSE_MASK \ - ( (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_ASYNC) ) + ( (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_ASYNC) \ + | (OMP_CLAUSE_MASK_1 << PRAGMA_OACC_CLAUSE_IF) ) static tree c_parser_oacc_wait (location_t loc, c_parser *parser, char *p_name) @@ -26251,7 +26447,7 @@ c_parser_omp_target (c_parser *parser, enum pragma_context context, bool *if_p) { location_t loc = c_parser_peek_token (parser)->location; c_parser_consume_pragma (parser); - tree *pc = NULL, stmt, block; + tree *pc = NULL, stmt, block, body, clauses; if (context != pragma_stmt && context != pragma_compound) { @@ -26406,10 +26602,9 @@ c_parser_omp_target (c_parser *parser, enum pragma_context context, bool *if_p) stmt = make_node (OMP_TARGET); TREE_TYPE (stmt) = void_type_node; - OMP_TARGET_CLAUSES (stmt) - = c_parser_omp_all_clauses (parser, OMP_TARGET_CLAUSE_MASK, - "#pragma omp target", false); - for (tree c = OMP_TARGET_CLAUSES (stmt); c; c = OMP_CLAUSE_CHAIN (c)) + clauses = c_parser_omp_all_clauses (parser, OMP_TARGET_CLAUSE_MASK, + "#pragma omp target", false); + for (tree c = clauses; c; c = OMP_CLAUSE_CHAIN (c)) if (OMP_CLAUSE_CODE (c) == OMP_CLAUSE_IN_REDUCTION) { tree nc = build_omp_clause (OMP_CLAUSE_LOCATION (c), OMP_CLAUSE_MAP); @@ -26418,14 +26613,19 @@ c_parser_omp_target (c_parser *parser, enum pragma_context context, bool *if_p) OMP_CLAUSE_CHAIN (nc) = OMP_CLAUSE_CHAIN (c); OMP_CLAUSE_CHAIN (c) = nc; } - OMP_TARGET_CLAUSES (stmt) - = c_finish_omp_clauses (OMP_TARGET_CLAUSES (stmt), C_ORT_OMP_TARGET); - c_omp_adjust_map_clauses (OMP_TARGET_CLAUSES (stmt), true); + clauses = c_omp_instantiate_mappers (clauses); + clauses = c_finish_omp_clauses (clauses, C_ORT_OMP_TARGET); + c_omp_adjust_map_clauses (clauses, true); - pc = &OMP_TARGET_CLAUSES (stmt); keep_next_level (); block = c_begin_compound_stmt (true); - add_stmt (c_parser_omp_structured_block (parser, if_p)); + body = c_parser_omp_structured_block (parser, if_p); + + c_omp_scan_mapper_bindings (loc, &clauses, body); + + add_stmt (body); + OMP_TARGET_CLAUSES (stmt) = clauses; + pc = &OMP_TARGET_CLAUSES (stmt); OMP_TARGET_BODY (stmt) = c_end_compound_stmt (loc, block, true); SET_EXPR_LOCATION (stmt, loc); @@ -26773,20 +26973,31 @@ c_parser_omp_context_selector (c_parser *parser, enum omp_tss_code set, break; case OMP_TRAIT_PROPERTY_DEV_NUM_EXPR: case OMP_TRAIT_PROPERTY_BOOL_EXPR: - t = c_parser_expr_no_commas (parser, NULL).value; - if (t != error_mark_node) + { + c_expr texpr = c_parser_expr_no_commas (parser, NULL); + texpr = convert_lvalue_to_rvalue (token->location, texpr, + true, true); + t = texpr.value; + } + if (t == error_mark_node) + return error_mark_node; + mark_exp_read (t); + if (property_kind == OMP_TRAIT_PROPERTY_BOOL_EXPR) { - mark_exp_read (t); - t = c_fully_fold (t, false, NULL); - if (!INTEGRAL_TYPE_P (TREE_TYPE (t))) - error_at (token->location, - "property must be integer expression"); - else - properties = make_trait_property (NULL_TREE, t, - properties); + t = c_objc_common_truthvalue_conversion (token->location, + t, + boolean_type_node); + if (t == error_mark_node) + return error_mark_node; } - else - return error_mark_node; + else if (!INTEGRAL_TYPE_P (TREE_TYPE (t))) + { + error_at (token->location, + "property must be integer expression"); + return error_mark_node; + } + t = c_fully_fold (t, false, NULL); + properties = make_trait_property (NULL_TREE, t, properties); break; case OMP_TRAIT_PROPERTY_CLAUSE_LIST: if (sel == OMP_TRAIT_CONSTRUCT_SIMD) @@ -26888,11 +27099,14 @@ c_parser_omp_context_selector_specification (c_parser *parser, tree parms) tree selectors = c_parser_omp_context_selector (parser, set, parms); if (selectors == error_mark_node) - ret = error_mark_node; + { + c_parser_skip_to_closing_brace (parser); + ret = error_mark_node; + } else if (ret != error_mark_node) ret = make_trait_set_selector (set, selectors, ret); - braces.skip_until_found_close (parser); + braces.require_close (parser); if (c_parser_next_token_is (parser, CPP_COMMA)) c_parser_consume_token (parser); @@ -27797,6 +28011,151 @@ c_parser_omp_end (c_parser *parser) } } +/* OpenMP 5.0 + #pragma omp declare mapper ([mapper-identifier :] type var) \ + [clause [ [,] clause ] ... ] new-line */ + +static void +c_parser_omp_declare_mapper (c_parser *parser, enum pragma_context context) +{ + tree type, mapper_name = NULL_TREE, var = NULL_TREE, stmt, stmtlist; + tree maplist = NULL_TREE, mapper_id, mapper_decl, t; + c_token *token; + + if (context == pragma_struct || context == pragma_param) + { + error ("%<#pragma omp declare mapper%> not at file or block scope"); + goto fail; + } + + if (!c_parser_require (parser, CPP_OPEN_PAREN, "expected %<(%>")) + goto fail; + + token = c_parser_peek_token (parser); + + if (c_parser_peek_2nd_token (parser)->type == CPP_COLON) + { + switch (token->type) + { + case CPP_NAME: + mapper_name = token->value; + c_parser_consume_token (parser); + break; + case CPP_KEYWORD: + if (token->keyword == RID_DEFAULT) + { + mapper_name = NULL_TREE; + c_parser_consume_token (parser); + break; + } + /* Fallthrough. */ + default: + error_at (token->location, "expected identifier or %<default%>"); + c_parser_skip_to_pragma_eol (parser, false); + return; + } + + if (!c_parser_require (parser, CPP_COLON, "expected %<:%>")) + goto fail; + } + + mapper_id = c_omp_mapper_id (mapper_name); + mapper_decl = c_omp_mapper_decl (mapper_id); + + { + location_t loc = c_parser_peek_token (parser)->location; + struct c_type_name *ctype = c_parser_type_name (parser); + type = groktypename (ctype, NULL, NULL); + if (type == error_mark_node) + goto fail; + if (!RECORD_OR_UNION_TYPE_P (type)) + { + error_at (loc, "%qT is not a struct or union type in " + "%<#pragma omp declare mapper%>", type); + c_parser_skip_to_pragma_eol (parser, false); + return; + } + for (tree t = DECL_INITIAL (mapper_decl); t; t = TREE_CHAIN (t)) + if (comptypes (TREE_PURPOSE (t), type)) + { + error_at (loc, "redeclaration of %qs %<#pragma omp declare " + "mapper%> for type %qT", IDENTIFIER_POINTER (mapper_id) + + sizeof ("omp declare mapper ") - 1, + type); + tree prevmapper = TREE_VALUE (t); + /* Hmm, this location might not be very accurate. */ + location_t ploc + = DECL_SOURCE_LOCATION (OMP_DECLARE_MAPPER_DECL (prevmapper)); + inform (ploc, "%<#pragma omp declare mapper%> " + "previously declared here"); + c_parser_skip_to_pragma_eol (parser, false); + return; + } + } + + token = c_parser_peek_token (parser); + if (token->type == CPP_NAME) + { + var = build_decl (token->location, VAR_DECL, token->value, type); + c_parser_consume_token (parser); + DECL_ARTIFICIAL (var) = 1; + } + else + { + error_at (token->location, "expected identifier"); + goto fail; + } + + if (!c_parser_require (parser, CPP_CLOSE_PAREN, "expected %<)%>")) + goto fail; + + push_scope (); + stmtlist = push_stmt_list (); + pushdecl (var); + DECL_CONTEXT (var) = current_function_decl; + + while (c_parser_next_token_is_not (parser, CPP_PRAGMA_EOL)) + { + location_t here; + pragma_omp_clause c_kind; + here = c_parser_peek_token (parser)->location; + c_kind = c_parser_omp_clause_name (parser); + if (c_kind != PRAGMA_OMP_CLAUSE_MAP) + { + error_at (here, "unexpected clause"); + goto fail; + } + maplist = c_parser_omp_clause_map (parser, maplist, true); + } + + if (maplist == NULL_TREE) + { + error_at (input_location, "missing %<map%> clause"); + goto fail; + } + + stmt = make_node (OMP_DECLARE_MAPPER); + TREE_TYPE (stmt) = type; + OMP_DECLARE_MAPPER_ID (stmt) = mapper_name; + OMP_DECLARE_MAPPER_DECL (stmt) = var; + OMP_DECLARE_MAPPER_CLAUSES (stmt) = maplist; + + add_stmt (stmt); + + pop_stmt_list (stmtlist); + pop_scope (); + + c_parser_skip_to_pragma_eol (parser); + + t = tree_cons (type, stmt, DECL_INITIAL (mapper_decl)); + DECL_INITIAL (mapper_decl) = t; + + return; + + fail: + c_parser_skip_to_pragma_eol (parser); +} + /* OpenMP 4.0 #pragma omp declare reduction (reduction-id : typename-list : expression) \ initializer-clause[opt] new-line @@ -27923,8 +28282,8 @@ c_parser_omp_declare_reduction (c_parser *parser, enum pragma_context context) location_t ploc = DECL_SOURCE_LOCATION (TREE_VEC_ELT (TREE_VALUE (t), 0)); - error_at (ploc, "previous %<#pragma omp declare " - "reduction%>"); + inform (ploc, "%<#pragma omp declare reduction%> " + "previously declared here"); break; } if (t == NULL_TREE) @@ -28188,6 +28547,12 @@ c_parser_omp_declare (c_parser *parser, enum pragma_context context) c_parser_omp_declare_reduction (parser, context); return false; } + if (strcmp (p, "mapper") == 0) + { + c_parser_consume_token (parser); + c_parser_omp_declare_mapper (parser, context); + return false; + } if (!flag_openmp) /* flag_openmp_simd */ { c_parser_skip_to_pragma_eol (parser, false); @@ -29097,7 +29462,6 @@ c_parser_omp_metadirective (c_parser *parser, bool *if_p) { error_at (match_loc, "too many %<otherwise%> or %<default%> " "clauses in %<metadirective%>"); - c_parser_skip_to_end_of_block_or_statement (parser, true); goto error; } default_seen = true; @@ -29106,14 +29470,12 @@ c_parser_omp_metadirective (c_parser *parser, bool *if_p) { error_at (match_loc, "%<otherwise%> or %<default%> clause " "must appear last in %<metadirective%>"); - c_parser_skip_to_end_of_block_or_statement (parser, true); goto error; } if (!default_p && strcmp (p, "when") != 0) { error_at (match_loc, "%qs is not valid for %qs", p, "metadirective"); - c_parser_skip_to_end_of_block_or_statement (parser, true); goto error; } @@ -29181,7 +29543,6 @@ c_parser_omp_metadirective (c_parser *parser, bool *if_p) if (i == 0) { error_at (loc, "expected directive name"); - c_parser_skip_to_end_of_block_or_statement (parser, true); goto error; } @@ -29249,7 +29610,10 @@ c_parser_omp_metadirective (c_parser *parser, bool *if_p) goto add; case CPP_CLOSE_PAREN: if (nesting_depth-- == 0) - break; + { + c_parser_consume_token (parser); + break; + } goto add; default: add: @@ -29261,8 +29625,6 @@ c_parser_omp_metadirective (c_parser *parser, bool *if_p) break; } - c_parser_consume_token (parser); - if (!skip) { c_token eol_token; @@ -29389,9 +29751,9 @@ c_parser_omp_metadirective (c_parser *parser, bool *if_p) return; error: + /* Skip the metadirective pragma. Do not skip the metadirective body. */ if (parser->in_pragma) - c_parser_skip_to_pragma_eol (parser); - c_parser_skip_to_end_of_block_or_statement (parser, true); + c_parser_skip_to_pragma_eol (parser, false); } /* Main entry point to parsing most OpenMP pragmas. */ |