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83ffe9cd | 1 | // Copyright (C) 2020-2023 Free Software Foundation, Inc. |
06688fe4 PH |
2 | |
3 | // This file is part of GCC. | |
4 | ||
5 | // GCC is free software; you can redistribute it and/or modify it under | |
6 | // the terms of the GNU General Public License as published by the Free | |
7 | // Software Foundation; either version 3, or (at your option) any later | |
8 | // version. | |
9 | ||
10 | // GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
11 | // WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | // for more details. | |
14 | ||
15 | // You should have received a copy of the GNU General Public License | |
16 | // along with GCC; see the file COPYING3. If not see | |
17 | // <http://www.gnu.org/licenses/>. | |
18 | ||
19 | #include "rust-tyty-call.h" | |
20 | #include "rust-hir-type-check-expr.h" | |
21 | ||
22 | namespace Rust { | |
23 | namespace TyTy { | |
24 | ||
25 | void | |
26 | TypeCheckCallExpr::visit (ADTType &type) | |
27 | { | |
28 | rust_assert (!variant.is_error ()); | |
29 | if (variant.get_variant_type () != TyTy::VariantDef::VariantType::TUPLE) | |
30 | { | |
31 | rust_error_at ( | |
32 | call.get_locus (), | |
33 | "expected function, tuple struct or tuple variant, found struct %<%s%>", | |
34 | type.get_name ().c_str ()); | |
35 | return; | |
36 | } | |
37 | ||
38 | if (call.num_params () != variant.num_fields ()) | |
39 | { | |
40 | rust_error_at (call.get_locus (), | |
41 | "unexpected number of arguments %lu expected %lu", | |
42 | (unsigned long) call.num_params (), | |
43 | (unsigned long) variant.num_fields ()); | |
44 | return; | |
45 | } | |
46 | ||
47 | size_t i = 0; | |
48 | for (auto &argument : call.get_arguments ()) | |
49 | { | |
50 | StructFieldType *field = variant.get_field_at_index (i); | |
51 | BaseType *field_tyty = field->get_field_type (); | |
af22b54a | 52 | Location arg_locus = argument->get_locus (); |
06688fe4 PH |
53 | |
54 | BaseType *arg = Resolver::TypeCheckExpr::Resolve (argument.get ()); | |
55 | if (arg->get_kind () == TyTy::TypeKind::ERROR) | |
56 | { | |
57 | rust_error_at (argument->get_locus (), | |
58 | "failed to resolve argument type"); | |
59 | return; | |
60 | } | |
61 | ||
af22b54a | 62 | HirId coercion_side_id = argument->get_mappings ().get_hirid (); |
06688fe4 | 63 | auto res = Resolver::TypeCheckBase::coercion_site ( |
af22b54a PH |
64 | coercion_side_id, TyWithLocation (field_tyty), |
65 | TyWithLocation (arg, arg_locus), argument->get_locus ()); | |
06688fe4 PH |
66 | if (res->get_kind () == TyTy::TypeKind::ERROR) |
67 | { | |
68 | return; | |
69 | } | |
70 | ||
71 | delete res; | |
72 | i++; | |
73 | } | |
74 | ||
75 | if (i != call.num_params ()) | |
76 | { | |
77 | rust_error_at (call.get_locus (), | |
78 | "unexpected number of arguments %lu expected %lu", | |
79 | (unsigned long) i, (unsigned long) call.num_params ()); | |
80 | return; | |
81 | } | |
82 | ||
83 | resolved = type.clone (); | |
84 | } | |
85 | ||
86 | void | |
87 | TypeCheckCallExpr::visit (FnType &type) | |
88 | { | |
89 | type.monomorphize (); | |
90 | if (call.num_params () != type.num_params ()) | |
91 | { | |
92 | if (type.is_varadic ()) | |
93 | { | |
94 | if (call.num_params () < type.num_params ()) | |
95 | { | |
96 | rust_error_at (call.get_locus (), | |
97 | "unexpected number of arguments %lu expected %lu", | |
98 | (unsigned long) call.num_params (), | |
99 | (unsigned long) type.num_params ()); | |
100 | return; | |
101 | } | |
102 | } | |
103 | else | |
104 | { | |
105 | rust_error_at (call.get_locus (), | |
106 | "unexpected number of arguments %lu expected %lu", | |
107 | (unsigned long) call.num_params (), | |
108 | (unsigned long) type.num_params ()); | |
109 | return; | |
110 | } | |
111 | } | |
112 | ||
113 | size_t i = 0; | |
114 | for (auto &argument : call.get_arguments ()) | |
115 | { | |
af22b54a | 116 | Location arg_locus = argument->get_locus (); |
06688fe4 PH |
117 | auto argument_expr_tyty |
118 | = Resolver::TypeCheckExpr::Resolve (argument.get ()); | |
119 | if (argument_expr_tyty->get_kind () == TyTy::TypeKind::ERROR) | |
120 | { | |
121 | rust_error_at ( | |
122 | argument->get_locus (), | |
123 | "failed to resolve type for argument expr in CallExpr"); | |
124 | return; | |
125 | } | |
126 | ||
127 | // it might be a varadic function | |
128 | if (i < type.num_params ()) | |
129 | { | |
130 | auto fnparam = type.param_at (i); | |
af22b54a PH |
131 | HIR::Pattern *fn_param_pattern = fnparam.first; |
132 | BaseType *param_ty = fnparam.second; | |
133 | Location param_locus | |
134 | = fn_param_pattern == nullptr | |
135 | ? mappings->lookup_location (param_ty->get_ref ()) | |
136 | : fn_param_pattern->get_locus (); | |
137 | ||
138 | HirId coercion_side_id = argument->get_mappings ().get_hirid (); | |
06688fe4 | 139 | auto resolved_argument_type = Resolver::TypeCheckBase::coercion_site ( |
af22b54a PH |
140 | coercion_side_id, TyWithLocation (param_ty, param_locus), |
141 | TyWithLocation (argument_expr_tyty, arg_locus), | |
142 | argument->get_locus ()); | |
06688fe4 PH |
143 | if (resolved_argument_type->get_kind () == TyTy::TypeKind::ERROR) |
144 | { | |
145 | rust_error_at (argument->get_locus (), | |
146 | "Type Resolution failure on parameter"); | |
147 | return; | |
148 | } | |
149 | } | |
150 | ||
151 | i++; | |
152 | } | |
153 | ||
154 | if (i < call.num_params ()) | |
155 | { | |
156 | rust_error_at (call.get_locus (), | |
157 | "unexpected number of arguments %lu expected %lu", | |
158 | (unsigned long) i, (unsigned long) call.num_params ()); | |
159 | return; | |
160 | } | |
161 | ||
162 | type.monomorphize (); | |
163 | resolved = type.get_return_type ()->clone (); | |
164 | } | |
165 | ||
166 | void | |
167 | TypeCheckCallExpr::visit (FnPtr &type) | |
168 | { | |
169 | if (call.num_params () != type.num_params ()) | |
170 | { | |
171 | rust_error_at (call.get_locus (), | |
172 | "unexpected number of arguments %lu expected %lu", | |
173 | (unsigned long) call.num_params (), | |
174 | (unsigned long) type.num_params ()); | |
175 | return; | |
176 | } | |
177 | ||
178 | size_t i = 0; | |
179 | for (auto &argument : call.get_arguments ()) | |
180 | { | |
af22b54a PH |
181 | Location arg_locus = argument->get_locus (); |
182 | BaseType *fnparam = type.param_at (i); | |
06688fe4 PH |
183 | auto argument_expr_tyty |
184 | = Resolver::TypeCheckExpr::Resolve (argument.get ()); | |
185 | if (argument_expr_tyty->get_kind () == TyTy::TypeKind::ERROR) | |
186 | { | |
187 | rust_error_at ( | |
188 | argument->get_locus (), | |
189 | "failed to resolve type for argument expr in CallExpr"); | |
190 | return; | |
191 | } | |
192 | ||
193 | auto resolved_argument_type = Resolver::TypeCheckBase::coercion_site ( | |
af22b54a PH |
194 | argument->get_mappings ().get_hirid (), TyWithLocation (fnparam), |
195 | TyWithLocation (argument_expr_tyty, arg_locus), argument->get_locus ()); | |
06688fe4 PH |
196 | if (resolved_argument_type->get_kind () == TyTy::TypeKind::ERROR) |
197 | { | |
198 | rust_error_at (argument->get_locus (), | |
199 | "Type Resolution failure on parameter"); | |
200 | return; | |
201 | } | |
202 | ||
203 | i++; | |
204 | } | |
205 | ||
206 | if (i != call.num_params ()) | |
207 | { | |
208 | rust_error_at (call.get_locus (), | |
209 | "unexpected number of arguments %lu expected %lu", | |
210 | (unsigned long) i, (unsigned long) call.num_params ()); | |
211 | return; | |
212 | } | |
213 | ||
214 | resolved = type.get_return_type ()->monomorphized_clone (); | |
215 | } | |
216 | ||
217 | // method call checker | |
218 | ||
219 | void | |
220 | TypeCheckMethodCallExpr::visit (FnType &type) | |
221 | { | |
222 | type.get_self_type ()->unify (adjusted_self); | |
223 | ||
224 | // +1 for the receiver self | |
225 | size_t num_args_to_call = call.num_params () + 1; | |
226 | if (num_args_to_call != type.num_params ()) | |
227 | { | |
228 | rust_error_at (call.get_locus (), | |
229 | "unexpected number of arguments %lu expected %lu", | |
230 | (unsigned long) call.num_params (), | |
231 | (unsigned long) type.num_params ()); | |
232 | return; | |
233 | } | |
234 | ||
235 | size_t i = 1; | |
236 | for (auto &argument : call.get_arguments ()) | |
237 | { | |
af22b54a PH |
238 | Location arg_locus = argument->get_locus (); |
239 | ||
06688fe4 | 240 | auto fnparam = type.param_at (i); |
af22b54a PH |
241 | HIR::Pattern *fn_param_pattern = fnparam.first; |
242 | BaseType *param_ty = fnparam.second; | |
243 | Location param_locus | |
244 | = fn_param_pattern == nullptr | |
245 | ? mappings->lookup_location (param_ty->get_ref ()) | |
246 | : fn_param_pattern->get_locus (); | |
247 | ||
06688fe4 PH |
248 | auto argument_expr_tyty |
249 | = Resolver::TypeCheckExpr::Resolve (argument.get ()); | |
250 | if (argument_expr_tyty->get_kind () == TyTy::TypeKind::ERROR) | |
251 | { | |
252 | rust_error_at ( | |
253 | argument->get_locus (), | |
254 | "failed to resolve type for argument expr in CallExpr"); | |
255 | return; | |
256 | } | |
257 | ||
af22b54a | 258 | HirId coercion_side_id = argument->get_mappings ().get_hirid (); |
06688fe4 | 259 | auto resolved_argument_type = Resolver::TypeCheckBase::coercion_site ( |
af22b54a PH |
260 | coercion_side_id, TyWithLocation (param_ty, param_locus), |
261 | TyWithLocation (argument_expr_tyty, arg_locus), argument->get_locus ()); | |
06688fe4 PH |
262 | if (resolved_argument_type->get_kind () == TyTy::TypeKind::ERROR) |
263 | { | |
264 | rust_error_at (argument->get_locus (), | |
265 | "Type Resolution failure on parameter"); | |
266 | return; | |
267 | } | |
268 | ||
269 | i++; | |
270 | } | |
271 | ||
272 | if (i != num_args_to_call) | |
273 | { | |
274 | rust_error_at (call.get_locus (), | |
275 | "unexpected number of arguments %lu expected %lu", | |
276 | (unsigned long) i, (unsigned long) call.num_params ()); | |
277 | return; | |
278 | } | |
279 | ||
280 | type.monomorphize (); | |
281 | ||
282 | resolved = type.get_return_type ()->monomorphized_clone (); | |
283 | } | |
284 | ||
285 | } // namespace TyTy | |
286 | } // namespace Rust |