1 | #include "ReplacePseudoFunc.hpp"
|
---|
2 |
|
---|
3 | #include <set>
|
---|
4 |
|
---|
5 | #include "AST/Decl.hpp"
|
---|
6 | #include "AST/Inspect.hpp"
|
---|
7 | #include "AST/Pass.hpp"
|
---|
8 | #include "AST/Stmt.hpp"
|
---|
9 | #include "Common/utility.h"
|
---|
10 | #include "ResolvExpr/Resolver.h"
|
---|
11 | #include "SymTab/Mangler.h"
|
---|
12 |
|
---|
13 | #include "AST/Print.hpp"
|
---|
14 |
|
---|
15 | #include "ResolvExpr/CandidateFinder.hpp"
|
---|
16 |
|
---|
17 | namespace Validate {
|
---|
18 |
|
---|
19 | namespace {
|
---|
20 |
|
---|
21 | std::set<std::string> queryLabels;
|
---|
22 | std::set<std::string> queryValues;
|
---|
23 |
|
---|
24 | // struct AutoInit {
|
---|
25 | // ast::EnumDecl const* postvisit( const ast::EnumDecl* expr );
|
---|
26 | // };
|
---|
27 |
|
---|
28 | struct WrapEnumValueExpr final : public ast::WithShortCircuiting,
|
---|
29 | public ast::WithSymbolTable,
|
---|
30 | public ast::WithConstTranslationUnit {
|
---|
31 | void previsit(const ast::DeclStmt* expr);
|
---|
32 | void previsit(const ast::ApplicationExpr* expr);
|
---|
33 | void previsit(const ast::CastExpr* expr);
|
---|
34 | void previsit(const ast::VariableExpr* ) { visit_children = false; }
|
---|
35 |
|
---|
36 | ast::Expr const* postvisit(const ast::VariableExpr* expr);
|
---|
37 | };
|
---|
38 |
|
---|
39 | struct FindGenEnumArray final : public ast::WithShortCircuiting {
|
---|
40 | void previsit(const ast::ApplicationExpr* enumDecl);
|
---|
41 | };
|
---|
42 |
|
---|
43 | struct PseudoFuncGenerateRoutine final : public ast::WithDeclsToAdd<>,
|
---|
44 | public ast::WithSymbolTable,
|
---|
45 | public ast::WithShortCircuiting,
|
---|
46 | public ast::WithConstTranslationUnit {
|
---|
47 | void previsit(const ast::EnumDecl* enumDecl);
|
---|
48 | };
|
---|
49 |
|
---|
50 | struct ReplacePseudoFuncCore : public ast::WithShortCircuiting,
|
---|
51 | public ast::WithSymbolTable,
|
---|
52 | public ast::WithConstTranslationUnit {
|
---|
53 | ast::Expr const* postvisit(ast::ApplicationExpr const* decl);
|
---|
54 | };
|
---|
55 |
|
---|
56 | // ast::EnumDecl const * AutoInit::postvisit( const ast::EnumDecl * expr ) {
|
---|
57 | // for ( size_t i = 0; i < expr->members.size(); i++ ) {
|
---|
58 | // auto mem = expr->members[i].as<ast::ObjectDecl>();
|
---|
59 | // assert( mem );
|
---|
60 | // if ( mem->init )
|
---|
61 | // }
|
---|
62 | // return expr;
|
---|
63 | // }
|
---|
64 |
|
---|
65 | void WrapEnumValueExpr::previsit(const ast::ApplicationExpr* expr) {
|
---|
66 | auto varExpr = expr->func.as<ast::VariableExpr>();
|
---|
67 | auto fname = ast::getFunctionName(expr);
|
---|
68 | if ( !varExpr || varExpr->var->linkage == ast::Linkage::Intrinsic ) {
|
---|
69 | if ( fname == "?{}" || fname == "?=?" )
|
---|
70 | visit_children = false;
|
---|
71 | }
|
---|
72 |
|
---|
73 | if (fname == "labelE" || fname == "valueE" || fname == "posE") {
|
---|
74 | visit_children = false;
|
---|
75 | }
|
---|
76 | }
|
---|
77 |
|
---|
78 | void WrapEnumValueExpr::previsit(const ast::DeclStmt*) {
|
---|
79 | visit_children = false;
|
---|
80 | }
|
---|
81 |
|
---|
82 | void WrapEnumValueExpr::previsit(const ast::CastExpr* expr) {
|
---|
83 | if (expr->result && expr->result.as<ast::ReferenceType>()) {
|
---|
84 | visit_children = false;
|
---|
85 | }
|
---|
86 | }
|
---|
87 |
|
---|
88 | ast::Expr const* WrapEnumValueExpr::postvisit(const ast::VariableExpr* expr) {
|
---|
89 | if (!expr->result) {
|
---|
90 | return expr;
|
---|
91 | }
|
---|
92 | if (auto enumInst = expr->result.as<ast::EnumInstType>()) {
|
---|
93 | if (enumInst->base && enumInst->base->base) {
|
---|
94 | auto untyped = new ast::UntypedExpr(
|
---|
95 | expr->location, new ast::NameExpr(expr->location, "valueE"),
|
---|
96 | { std::move( expr ) });
|
---|
97 | ResolvExpr::ResolveContext context{symtab, transUnit().global};
|
---|
98 | auto result = ResolvExpr::findVoidExpression(untyped, context);
|
---|
99 | ast::ptr<ast::ApplicationExpr> ret =
|
---|
100 | result.strict_as<ast::ApplicationExpr>();
|
---|
101 | return ast::deepCopy( ret );
|
---|
102 | }
|
---|
103 | }
|
---|
104 | return expr;
|
---|
105 | }
|
---|
106 |
|
---|
107 | void FindGenEnumArray::previsit(const ast::ApplicationExpr* expr) {
|
---|
108 | auto fname = ast::getFunctionName(expr);
|
---|
109 | if (fname == "labelE" || fname == "valueE") {
|
---|
110 | if (expr->args.size() != 1) {
|
---|
111 | SemanticError(expr, "Position Expression only take one parameter");
|
---|
112 | }
|
---|
113 | const ast::VariableExpr* arg =
|
---|
114 | expr->args.front().as<const ast::VariableExpr>();
|
---|
115 | if (!arg) {
|
---|
116 | SemanticError(expr, "Unimplement Pseudo Function Cases");
|
---|
117 | }
|
---|
118 | const ast::ObjectDecl* argAsVar = arg->var.as<const ast::ObjectDecl>();
|
---|
119 | const std::string referredName = argAsVar->name;
|
---|
120 | const ast::EnumInstType* argType =
|
---|
121 | argAsVar->type.as<const ast::EnumInstType>();
|
---|
122 | if (!argType) {
|
---|
123 | SemanticError(
|
---|
124 | argAsVar,
|
---|
125 | "Position can only be used on an enumeration instance");
|
---|
126 | }
|
---|
127 | ast::ptr<ast::EnumDecl> base = argType->base;
|
---|
128 | assert(base);
|
---|
129 | if (fname == "labelE") queryLabels.insert(base->name);
|
---|
130 | if (fname == "valueE") queryValues.insert(base->name);
|
---|
131 | }
|
---|
132 | }
|
---|
133 |
|
---|
134 | const ast::Init * getAutoInit( const CodeLocation & location,
|
---|
135 | const ast::Type * type, ResolvExpr::ResolveContext context, const ast::Init * prev ) {
|
---|
136 | if ( auto prevInit = dynamic_cast< const ast::SingleInit * >( prev ) ) {
|
---|
137 | auto prevInitExpr = prevInit->value;
|
---|
138 | if ( auto constInit = prevInitExpr.as< ast::ConstantExpr >() ) {
|
---|
139 | // Assume no string literal for now
|
---|
140 | return new ast::SingleInit(
|
---|
141 | location,
|
---|
142 | ast::ConstantExpr::from_int(
|
---|
143 | location, constInit->intValue() + 1 )
|
---|
144 | );
|
---|
145 | } else {
|
---|
146 | auto untypedThisInit = new ast::UntypedExpr(
|
---|
147 | location,
|
---|
148 | new ast::NameExpr( location, "?++" ),
|
---|
149 | { prevInitExpr }
|
---|
150 | );
|
---|
151 | auto typedInit = ResolvExpr::findSingleExpression(untypedThisInit, type,
|
---|
152 | context );
|
---|
153 | return new ast::SingleInit( location, typedInit );
|
---|
154 | }
|
---|
155 | }
|
---|
156 | SemanticError( prev, "Auto Init a List is not implemented" );
|
---|
157 | return prev;
|
---|
158 | }
|
---|
159 |
|
---|
160 | void PseudoFuncGenerateRoutine::previsit(const ast::EnumDecl* enumDecl) {
|
---|
161 | visit_children = false;
|
---|
162 | const CodeLocation& location = enumDecl->location;
|
---|
163 | if (enumDecl->members.size() == 0 || !enumDecl->base) return;
|
---|
164 |
|
---|
165 | std::vector<ast::ptr<ast::Init>> inits;
|
---|
166 | std::vector<ast::ptr<ast::Init>> labels;
|
---|
167 | auto type = enumDecl->base;
|
---|
168 |
|
---|
169 | for ( size_t i = 0; i < enumDecl->members.size(); i++ ) {
|
---|
170 | ast::ptr<ast::Decl> mem = enumDecl->members.at( i );
|
---|
171 | auto memAsObjectDecl = mem.as< ast::ObjectDecl >();
|
---|
172 | assert( memAsObjectDecl );
|
---|
173 | if ( memAsObjectDecl->init ) {
|
---|
174 | inits.emplace_back( memAsObjectDecl->init );
|
---|
175 | } else {
|
---|
176 | const CodeLocation & location = mem->location;
|
---|
177 | if ( i == 0 ) {
|
---|
178 | inits.emplace_back( new ast::SingleInit(
|
---|
179 | location,
|
---|
180 | ast::ConstantExpr::from_int( mem->location, 0 )
|
---|
181 | ) );
|
---|
182 | } else {
|
---|
183 | inits.emplace_back( getAutoInit( location, enumDecl->base,
|
---|
184 | ResolvExpr::ResolveContext{symtab, transUnit().global},
|
---|
185 | inits.at( i - 1 ).as<ast::SingleInit>()) );
|
---|
186 | }
|
---|
187 | }
|
---|
188 | labels.emplace_back(new ast::SingleInit(
|
---|
189 | location, ast::ConstantExpr::from_string(location, mem->name)));
|
---|
190 | }
|
---|
191 | if (queryValues.count(enumDecl->name)) {
|
---|
192 | auto init = new ast::ListInit(location, std::move(inits));
|
---|
193 | const ast::ArrayType* arrT = new ast::ArrayType(
|
---|
194 | enumDecl->base,
|
---|
195 | ast::ConstantExpr::from_int(location, enumDecl->members.size()),
|
---|
196 | ast::LengthFlag::FixedLen, ast::DimensionFlag::DynamicDim);
|
---|
197 | ast::ObjectDecl* values = new ast::ObjectDecl(
|
---|
198 | location, "values_" + enumDecl->name, arrT, init,
|
---|
199 | ast::Storage::Static, ast::Linkage::AutoGen);
|
---|
200 | symtab.addId(values);
|
---|
201 | values->mangleName = Mangle::mangle(values);
|
---|
202 | declsToAddAfter.push_back(values);
|
---|
203 | }
|
---|
204 | if (queryLabels.count(enumDecl->name)) {
|
---|
205 | auto label_strings = new ast::ListInit(location, std::move(labels));
|
---|
206 | auto labels = new ast::ObjectDecl(
|
---|
207 | location, "labels_" + enumDecl->name,
|
---|
208 | new ast::ArrayType(
|
---|
209 | new ast::PointerType(new ast::BasicType{ast::BasicType::Char}),
|
---|
210 | ast::ConstantExpr::from_int(location, enumDecl->members.size()),
|
---|
211 | ast::LengthFlag::FixedLen, ast::DimensionFlag::DynamicDim),
|
---|
212 | label_strings, ast::Storage::Static, ast::Linkage::AutoGen);
|
---|
213 | symtab.addId(labels);
|
---|
214 | labels->mangleName = Mangle::mangle(labels);
|
---|
215 | declsToAddAfter.push_back(labels);
|
---|
216 | }
|
---|
217 | }
|
---|
218 |
|
---|
219 | ast::ApplicationExpr const* getPseudoFuncApplication(
|
---|
220 | const CodeLocation location, ResolvExpr::ResolveContext context,
|
---|
221 | const ast::VariableExpr* arg, const ast::EnumDecl* base, const std::string & name) {
|
---|
222 | ast::Expr* toResolve = new ast::NameExpr(location, name + base->name);
|
---|
223 | auto result = ResolvExpr::findVoidExpression(toResolve, context);
|
---|
224 | assert(result.get());
|
---|
225 | auto arrAsVar = result.strict_as<ast::VariableExpr>();
|
---|
226 | auto untyped = new ast::UntypedExpr(
|
---|
227 | location, new ast::NameExpr(location, "?[?]"),
|
---|
228 | { std::move(arrAsVar), std::move(arg) });
|
---|
229 | auto typedResult = ResolvExpr::findVoidExpression(untyped, context);
|
---|
230 |
|
---|
231 | ast::ptr<ast::ApplicationExpr> ret =
|
---|
232 | typedResult.strict_as<ast::ApplicationExpr>();
|
---|
233 | return ast::deepCopy(ret);
|
---|
234 | }
|
---|
235 |
|
---|
236 | ast::Expr const* ReplacePseudoFuncCore::postvisit(
|
---|
237 | ast::ApplicationExpr const* expr) {
|
---|
238 | auto fname = ast::getFunctionName(expr);
|
---|
239 | auto location = expr->location;
|
---|
240 | if (fname == "posE" || fname == "valueE" || fname == "labelE") {
|
---|
241 | if (expr->args.size() != 1) {
|
---|
242 | SemanticError(expr,
|
---|
243 | "Pseudo Enum Expression only take one parameter");
|
---|
244 | }
|
---|
245 | ast::ptr<ast::VariableExpr> arg =
|
---|
246 | expr->args.front().as<const ast::VariableExpr>();
|
---|
247 | if (!arg) {
|
---|
248 | SemanticError(expr, "Unimplement Pseudo Function Cases");
|
---|
249 | }
|
---|
250 | const ast::ObjectDecl* argAsVar = arg->var.as<const ast::ObjectDecl>();
|
---|
251 | const std::string referredName = argAsVar->name;
|
---|
252 | const ast::EnumInstType* argType =
|
---|
253 | argAsVar->type.as<const ast::EnumInstType>();
|
---|
254 | if (!argType) {
|
---|
255 | SemanticError(argAsVar,
|
---|
256 | "Pseudo Enum Expression can only be used on an "
|
---|
257 | "enumeration instance");
|
---|
258 | }
|
---|
259 | const ast::EnumDecl* base = argType->base;
|
---|
260 | ResolvExpr::ResolveContext context{symtab, transUnit().global};
|
---|
261 | // If resolvable as constant
|
---|
262 | for (size_t i = 0; i < base->members.size(); i++) {
|
---|
263 | if (base->members[i]->name == referredName) {
|
---|
264 | if (fname == "posE")
|
---|
265 | return ast::ConstantExpr::from_int(expr->location, i);
|
---|
266 | else if (fname == "labelE")
|
---|
267 | return ast::ConstantExpr::from_string(expr->location,
|
---|
268 | referredName);
|
---|
269 | else {
|
---|
270 | return getPseudoFuncApplication(location, context, arg.get(),
|
---|
271 | base, "values_");
|
---|
272 | }
|
---|
273 |
|
---|
274 | }
|
---|
275 | }
|
---|
276 |
|
---|
277 | if (fname == "labelE") {
|
---|
278 | if (auto labelExpr =
|
---|
279 | getPseudoFuncApplication(location, context, arg.get(), base, "labels_")) {
|
---|
280 | return labelExpr;
|
---|
281 | }
|
---|
282 | } else if (fname == "valueE") {
|
---|
283 | if (auto valueExpr =
|
---|
284 | getPseudoFuncApplication(location, context, arg.get(), base, "values_")) {
|
---|
285 | return valueExpr;
|
---|
286 | }
|
---|
287 | } else { // it is position; replace itself
|
---|
288 | return std::move( arg.get() );
|
---|
289 | }
|
---|
290 | }
|
---|
291 | return expr;
|
---|
292 | }
|
---|
293 |
|
---|
294 | } // namespace
|
---|
295 |
|
---|
296 | void replacePseudoFunc(ast::TranslationUnit& translationUnit) {
|
---|
297 | ast::Pass<WrapEnumValueExpr>::run(translationUnit);
|
---|
298 | ast::Pass<FindGenEnumArray>::run(translationUnit);
|
---|
299 | ast::Pass<PseudoFuncGenerateRoutine>::run(translationUnit);
|
---|
300 | ast::Pass<ReplacePseudoFuncCore>::run(translationUnit);
|
---|
301 | }
|
---|
302 | } // namespace Validate
|
---|