1 |
/* |
2 |
* Copyright (c) 2014-2017 Christian Schoenebeck and Andreas Persson |
3 |
* |
4 |
* http://www.linuxsampler.org |
5 |
* |
6 |
* This file is part of LinuxSampler and released under the same terms. |
7 |
* See README file for details. |
8 |
*/ |
9 |
|
10 |
/* Parser for NKSP real-time instrument script language. */ |
11 |
|
12 |
%{ |
13 |
#define YYERROR_VERBOSE 1 |
14 |
#include "parser_shared.h" |
15 |
#include <string> |
16 |
#include <map> |
17 |
using namespace LinuxSampler; |
18 |
|
19 |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err); |
20 |
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt); |
21 |
int InstrScript_tnamerr(char* yyres, const char* yystr); |
22 |
int InstrScript_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner); |
23 |
#define scanner context->scanner |
24 |
#define PARSE_ERR(loc,txt) yyerror(&loc, context, txt) |
25 |
#define PARSE_WRN(loc,txt) InstrScript_warning(&loc, context, txt) |
26 |
#define PARSE_DROP(loc) context->addPreprocessorComment(loc.first_line, loc.last_line, loc.first_column+1, loc.last_column+1); |
27 |
#define yytnamerr(res,str) InstrScript_tnamerr(res, str) |
28 |
%} |
29 |
|
30 |
// generate reentrant safe parser |
31 |
%pure-parser |
32 |
%parse-param { LinuxSampler::ParserContext* context } |
33 |
%lex-param { void* scanner } |
34 |
// avoid symbol collision with other (i.e. future) auto generated (f)lex scanners |
35 |
// (NOTE: "=" is deprecated here with Bison 3.x, however removing it would cause an error with Bison 2.x) |
36 |
%name-prefix="InstrScript_" |
37 |
%locations |
38 |
%defines |
39 |
%error-verbose |
40 |
|
41 |
%token <iValue> INTEGER "integer literal" |
42 |
%token <fValue> REAL "real number literal" |
43 |
%token <iUnitValue> INTEGER_UNIT "integer literal with unit" |
44 |
%token <fUnitValue> REAL_UNIT "real number literal with unit" |
45 |
%token <sValue> STRING "string literal" |
46 |
%token <sValue> IDENTIFIER "function name" |
47 |
%token <sValue> VARIABLE "variable name" |
48 |
%token ON "keyword 'on'" |
49 |
%token END "keyword 'end'" |
50 |
%token INIT "keyword 'init'" |
51 |
%token NOTE "keyword 'note'" |
52 |
%token RELEASE "keyword 'release'" |
53 |
%token CONTROLLER "keyword 'controller'" |
54 |
%token RPN "keyword 'rpn'" |
55 |
%token NRPN "keyword 'nrpn'" |
56 |
%token DECLARE "keyword 'declare'" |
57 |
%token ASSIGNMENT "operator ':='" |
58 |
%token CONST_ "keyword 'const'" |
59 |
%token POLYPHONIC "keyword 'polyphonic'" |
60 |
%token WHILE "keyword 'while'" |
61 |
%token SYNCHRONIZED "keyword 'synchronized'" |
62 |
%token IF "keyword 'if'" |
63 |
%token ELSE "keyword 'else'" |
64 |
%token SELECT "keyword 'select'" |
65 |
%token CASE "keyword 'case'" |
66 |
%token TO "keyword 'to'" |
67 |
%token OR "operator 'or'" |
68 |
%token AND "operator 'and'" |
69 |
%token NOT "operator 'not'" |
70 |
%token BITWISE_OR "bitwise operator '.or.'" |
71 |
%token BITWISE_AND "bitwise operator '.and.'" |
72 |
%token BITWISE_NOT "bitwise operator '.not.'" |
73 |
%token FUNCTION "keyword 'function'" |
74 |
%token CALL "keyword 'call'" |
75 |
%token MOD "operator 'mod'" |
76 |
%token LE "operator '<='" |
77 |
%token GE "operator '>='" |
78 |
%token END_OF_FILE 0 "end of file" |
79 |
%token UNKNOWN_CHAR "unknown character" |
80 |
|
81 |
%type <nEventHandlers> script sections |
82 |
%type <nEventHandler> section eventhandler |
83 |
%type <nStatements> statements opt_statements userfunctioncall |
84 |
%type <nStatement> statement assignment |
85 |
%type <nFunctionCall> functioncall |
86 |
%type <nArgs> args opt_arr_assignment |
87 |
%type <nExpression> arg expr logical_or_expr logical_and_expr bitwise_or_expr bitwise_and_expr rel_expr add_expr mul_expr unary_expr concat_expr opt_assignment |
88 |
%type <nCaseBranch> caseclause |
89 |
%type <nCaseBranches> caseclauses |
90 |
%type <varQualifier> opt_qualifiers qualifiers qualifier |
91 |
|
92 |
%start script |
93 |
|
94 |
%% |
95 |
|
96 |
script: |
97 |
sections { |
98 |
$$ = context->handlers = $1; |
99 |
} |
100 |
|
101 |
sections: |
102 |
section { |
103 |
$$ = new EventHandlers(); |
104 |
if ($1) $$->add($1); |
105 |
} |
106 |
| sections section { |
107 |
$$ = $1; |
108 |
if ($2) $$->add($2); |
109 |
} |
110 |
|
111 |
section: |
112 |
function_declaration { |
113 |
$$ = EventHandlerRef(); |
114 |
} |
115 |
| eventhandler { |
116 |
$$ = $1; |
117 |
} |
118 |
|
119 |
eventhandler: |
120 |
ON NOTE opt_statements END ON { |
121 |
if (context->onNote) |
122 |
PARSE_ERR(@2, "Redeclaration of 'note' event handler."); |
123 |
context->onNote = new OnNote($3); |
124 |
$$ = context->onNote; |
125 |
} |
126 |
| ON INIT opt_statements END ON { |
127 |
if (context->onInit) |
128 |
PARSE_ERR(@2, "Redeclaration of 'init' event handler."); |
129 |
context->onInit = new OnInit($3); |
130 |
$$ = context->onInit; |
131 |
} |
132 |
| ON RELEASE opt_statements END ON { |
133 |
if (context->onRelease) |
134 |
PARSE_ERR(@2, "Redeclaration of 'release' event handler."); |
135 |
context->onRelease = new OnRelease($3); |
136 |
$$ = context->onRelease; |
137 |
} |
138 |
| ON CONTROLLER opt_statements END ON { |
139 |
if (context->onController) |
140 |
PARSE_ERR(@2, "Redeclaration of 'controller' event handler."); |
141 |
context->onController = new OnController($3); |
142 |
$$ = context->onController; |
143 |
} |
144 |
| ON RPN opt_statements END ON { |
145 |
if (context->onRpn) |
146 |
PARSE_ERR(@2, "Redeclaration of 'rpn' event handler."); |
147 |
context->onRpn = new OnRpn($3); |
148 |
$$ = context->onRpn; |
149 |
} |
150 |
| ON NRPN opt_statements END ON { |
151 |
if (context->onNrpn) |
152 |
PARSE_ERR(@2, "Redeclaration of 'nrpn' event handler."); |
153 |
context->onNrpn = new OnNrpn($3); |
154 |
$$ = context->onNrpn; |
155 |
} |
156 |
|
157 |
function_declaration: |
158 |
FUNCTION IDENTIFIER opt_statements END FUNCTION { |
159 |
const char* name = $2; |
160 |
if (context->functionProvider->functionByName(name)) { |
161 |
PARSE_ERR(@2, (String("There is already a built-in function with name '") + name + "'.").c_str()); |
162 |
} else if (context->userFunctionByName(name)) { |
163 |
PARSE_ERR(@2, (String("There is already a user defined function with name '") + name + "'.").c_str()); |
164 |
} else { |
165 |
context->userFnTable[name] = $3; |
166 |
} |
167 |
} |
168 |
|
169 |
opt_statements: |
170 |
/* epsilon (empty argument) */ { |
171 |
$$ = new Statements(); |
172 |
} |
173 |
| statements { |
174 |
$$ = $1; |
175 |
} |
176 |
|
177 |
statements: |
178 |
statement { |
179 |
$$ = new Statements(); |
180 |
if ($1) { |
181 |
if (!isNoOperation($1)) $$->add($1); // filter out NoOperation statements |
182 |
} else |
183 |
PARSE_WRN(@1, "Not a statement."); |
184 |
} |
185 |
| statements statement { |
186 |
$$ = $1; |
187 |
if ($2) { |
188 |
if (!isNoOperation($2)) $$->add($2); // filter out NoOperation statements |
189 |
} else |
190 |
PARSE_WRN(@2, "Not a statement."); |
191 |
} |
192 |
|
193 |
statement: |
194 |
functioncall { |
195 |
$$ = $1; |
196 |
} |
197 |
| userfunctioncall { |
198 |
$$ = $1; |
199 |
} |
200 |
| DECLARE opt_qualifiers VARIABLE opt_assignment { |
201 |
$$ = new NoOperation; // just as default result value |
202 |
const bool qConst = $2 & QUALIFIER_CONST; |
203 |
const bool qPolyphonic = $2 & QUALIFIER_POLYPHONIC; |
204 |
const char* name = $3; |
205 |
ExpressionRef expr = $4; |
206 |
//printf("declared var '%s'\n", name); |
207 |
const ExprType_t declType = exprTypeOfVarName(name); |
208 |
if (context->variableByName(name)) { |
209 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
210 |
} else if (qConst && !expr) { |
211 |
PARSE_ERR(@2, (String("Variable '") + name + "' declared const without value assignment.").c_str()); |
212 |
} else if (qConst && qPolyphonic) { |
213 |
PARSE_ERR(@2, (String("Variable '") + name + "' must not be declared both const and polyphonic.").c_str()); |
214 |
} else { |
215 |
if (!expr) { |
216 |
if (qPolyphonic) { |
217 |
if (name[0] != '$' && name[0] != '~') { |
218 |
PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
219 |
} else if (name[0] == '~') { |
220 |
context->vartable[name] = new PolyphonicRealVariable({ |
221 |
.ctx = context |
222 |
}); |
223 |
} else { |
224 |
context->vartable[name] = new PolyphonicIntVariable({ |
225 |
.ctx = context |
226 |
}); |
227 |
} |
228 |
} else { |
229 |
if (name[0] == '@') { |
230 |
context->vartable[name] = new StringVariable(context); |
231 |
} else if (name[0] == '~') { |
232 |
context->vartable[name] = new RealVariable({ |
233 |
.ctx = context |
234 |
}); |
235 |
} else if (name[0] == '$') { |
236 |
context->vartable[name] = new IntVariable({ |
237 |
.ctx = context |
238 |
}); |
239 |
} else if (name[0] == '?') { |
240 |
PARSE_ERR(@3, (String("Real number array variable '") + name + "' declaration requires array size.").c_str()); |
241 |
} else if (name[0] == '%') { |
242 |
PARSE_ERR(@3, (String("Integer array variable '") + name + "' declaration requires array size.").c_str()); |
243 |
} else { |
244 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared with unknown type.").c_str()); |
245 |
} |
246 |
} |
247 |
} else { |
248 |
if (qPolyphonic && !isNumber(expr->exprType())) { |
249 |
PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
250 |
} else if (expr->exprType() == STRING_EXPR) { |
251 |
if (name[0] != '@') |
252 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", string expression assigned though.").c_str()); |
253 |
StringExprRef strExpr = expr; |
254 |
String s; |
255 |
if (qConst) { |
256 |
if (strExpr->isConstExpr()) |
257 |
s = strExpr->evalStr(); |
258 |
else |
259 |
PARSE_ERR(@4, (String("Assignment to const string variable '") + name + "' requires const expression.").c_str()); |
260 |
ConstStringVariableRef var = new ConstStringVariable(context, s); |
261 |
context->vartable[name] = var; |
262 |
} else { |
263 |
if (strExpr->isConstExpr()) { |
264 |
s = strExpr->evalStr(); |
265 |
StringVariableRef var = new StringVariable(context); |
266 |
context->vartable[name] = var; |
267 |
$$ = new Assignment(var, new StringLiteral(s)); |
268 |
} else { |
269 |
StringVariableRef var = new StringVariable(context); |
270 |
context->vartable[name] = var; |
271 |
$$ = new Assignment(var, strExpr); |
272 |
} |
273 |
} |
274 |
} else if (expr->exprType() == REAL_EXPR) { |
275 |
if (name[0] != '~') |
276 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", real number expression assigned though.").c_str()); |
277 |
RealExprRef realExpr = expr; |
278 |
if (qConst) { |
279 |
if (!realExpr->isConstExpr()) { |
280 |
PARSE_ERR(@4, (String("Assignment to const real number variable '") + name + "' requires const expression.").c_str()); |
281 |
} |
282 |
ConstRealVariableRef var = new ConstRealVariable( |
283 |
#if defined(__GNUC__) && !defined(__clang__) |
284 |
(const RealVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
285 |
#endif |
286 |
{ |
287 |
.value = (realExpr->isConstExpr()) ? realExpr->evalReal() : vmfloat(0), |
288 |
.unitFactor = (realExpr->isConstExpr()) ? realExpr->unitFactor() : VM_NO_FACTOR, |
289 |
.unitType = realExpr->unitType(), |
290 |
.isFinal = realExpr->isFinal() |
291 |
}); |
292 |
context->vartable[name] = var; |
293 |
} else { |
294 |
RealVariableRef var = new RealVariable({ |
295 |
.ctx = context, |
296 |
.unitType = realExpr->unitType(), |
297 |
.isFinal = realExpr->isFinal() |
298 |
}); |
299 |
if (realExpr->isConstExpr()) { |
300 |
$$ = new Assignment(var, new RealLiteral({ |
301 |
.value = realExpr->evalReal(), |
302 |
.unitFactor = realExpr->unitFactor(), |
303 |
.unitType = realExpr->unitType(), |
304 |
.isFinal = realExpr->isFinal() |
305 |
})); |
306 |
} else { |
307 |
$$ = new Assignment(var, realExpr); |
308 |
} |
309 |
context->vartable[name] = var; |
310 |
} |
311 |
} else if (expr->exprType() == INT_EXPR) { |
312 |
if (name[0] != '$') |
313 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", integer expression assigned though.").c_str()); |
314 |
IntExprRef intExpr = expr; |
315 |
if (qConst) { |
316 |
if (!intExpr->isConstExpr()) { |
317 |
PARSE_ERR(@4, (String("Assignment to const integer variable '") + name + "' requires const expression.").c_str()); |
318 |
} |
319 |
ConstIntVariableRef var = new ConstIntVariable( |
320 |
#if defined(__GNUC__) && !defined(__clang__) |
321 |
(const IntVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
322 |
#endif |
323 |
{ |
324 |
.value = (intExpr->isConstExpr()) ? intExpr->evalInt() : 0, |
325 |
.unitFactor = (intExpr->isConstExpr()) ? intExpr->unitFactor() : VM_NO_FACTOR, |
326 |
.unitType = intExpr->unitType(), |
327 |
.isFinal = intExpr->isFinal() |
328 |
}); |
329 |
context->vartable[name] = var; |
330 |
} else { |
331 |
IntVariableRef var = new IntVariable({ |
332 |
.ctx = context, |
333 |
.unitType = intExpr->unitType(), |
334 |
.isFinal = intExpr->isFinal() |
335 |
}); |
336 |
if (intExpr->isConstExpr()) { |
337 |
$$ = new Assignment(var, new IntLiteral({ |
338 |
.value = intExpr->evalInt(), |
339 |
.unitFactor = intExpr->unitFactor(), |
340 |
.unitType = intExpr->unitType(), |
341 |
.isFinal = intExpr->isFinal() |
342 |
})); |
343 |
} else { |
344 |
$$ = new Assignment(var, intExpr); |
345 |
} |
346 |
context->vartable[name] = var; |
347 |
} |
348 |
} else if (expr->exprType() == EMPTY_EXPR) { |
349 |
PARSE_ERR(@4, "Expression does not result in a value."); |
350 |
$$ = new NoOperation; |
351 |
} else if (isArray(expr->exprType())) { |
352 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as scalar type, array expression assigned though.").c_str()); |
353 |
$$ = new NoOperation; |
354 |
} |
355 |
} |
356 |
} |
357 |
} |
358 |
| DECLARE opt_qualifiers VARIABLE '[' expr ']' opt_arr_assignment { |
359 |
$$ = new NoOperation; // just as default result value |
360 |
const bool qConst = $2 & QUALIFIER_CONST; |
361 |
const bool qPolyphonic = $2 & QUALIFIER_POLYPHONIC; |
362 |
const char* name = $3; |
363 |
if (!$5->isConstExpr()) { |
364 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
365 |
} else if ($5->exprType() != INT_EXPR) { |
366 |
PARSE_ERR(@5, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
367 |
} else if (context->variableByName(name)) { |
368 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
369 |
} else if (qConst && !$7) { |
370 |
PARSE_ERR(@2, (String("Array variable '") + name + "' declared const without value assignment.").c_str()); |
371 |
} else if (qPolyphonic) { |
372 |
PARSE_ERR(@2, (String("Array variable '") + name + "' must not be declared polyphonic.").c_str()); |
373 |
} else { |
374 |
IntExprRef sizeExpr = $5; |
375 |
ArgsRef args = $7; |
376 |
vmint size = sizeExpr->evalInt(); |
377 |
if (size <= 0) { |
378 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
379 |
} else if (sizeExpr->unitType() || sizeExpr->hasUnitFactorNow()) { |
380 |
PARSE_ERR(@5, "Units are not allowed as array size."); |
381 |
} else { |
382 |
if (sizeExpr->isFinal()) |
383 |
PARSE_WRN(@5, "Final operator '!' is meaningless here."); |
384 |
if (!args) { |
385 |
if (name[0] == '?') { |
386 |
context->vartable[name] = new RealArrayVariable(context, size); |
387 |
} else if (name[0] == '%') { |
388 |
context->vartable[name] = new IntArrayVariable(context, size); |
389 |
} else { |
390 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
391 |
} |
392 |
} else { |
393 |
if (size <= 0) { |
394 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
395 |
} else if (args->argsCount() > size) { |
396 |
PARSE_ERR(@7, (String("Array variable '") + name + |
397 |
"' was declared with size " + ToString(size) + |
398 |
" but " + ToString(args->argsCount()) + |
399 |
" values were assigned." ).c_str()); |
400 |
} else { |
401 |
ExprType_t declType = EMPTY_EXPR; |
402 |
if (name[0] == '%') { |
403 |
declType = INT_EXPR; |
404 |
} else if (name[0] == '?') { |
405 |
declType = REAL_EXPR; |
406 |
} else if (name[0] == '$') { |
407 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '%' as name prefix for integer arrays instead of '$'.").c_str()); |
408 |
} else if (name[0] == '~') { |
409 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '?' as name prefix for real number arrays instead of '~'.").c_str()); |
410 |
} else { |
411 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
412 |
} |
413 |
bool argsOK = true; |
414 |
if (declType == EMPTY_EXPR) { |
415 |
argsOK = false; |
416 |
} else { |
417 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
418 |
if (args->arg(i)->exprType() != declType) { |
419 |
PARSE_ERR( |
420 |
@7, |
421 |
(String("Array variable '") + name + |
422 |
"' declared with invalid assignment values. Assigned element " + |
423 |
ToString(i+1) + " is not an " + typeStr(declType) + " expression.").c_str() |
424 |
); |
425 |
argsOK = false; |
426 |
break; |
427 |
} else if (qConst && !args->arg(i)->isConstExpr()) { |
428 |
PARSE_ERR( |
429 |
@7, |
430 |
(String("const array variable '") + name + |
431 |
"' must be defined with const values. Assigned element " + |
432 |
ToString(i+1) + " is not a const expression though.").c_str() |
433 |
); |
434 |
argsOK = false; |
435 |
break; |
436 |
} else if (args->arg(i)->asNumber()->unitType()) { |
437 |
PARSE_ERR( |
438 |
@7, |
439 |
(String("Array variable '") + name + |
440 |
"' declared with invalid assignment values. Assigned element " + |
441 |
ToString(i+1) + " contains a unit type, only metric prefixes are allowed for arrays.").c_str() |
442 |
); |
443 |
argsOK = false; |
444 |
break; |
445 |
} else if (args->arg(i)->asNumber()->isFinal()) { |
446 |
PARSE_ERR( |
447 |
@7, |
448 |
(String("Array variable '") + name + |
449 |
"' declared with invalid assignment values. Assigned element " + |
450 |
ToString(i+1) + " declared as 'final' value.").c_str() |
451 |
); |
452 |
argsOK = false; |
453 |
break; |
454 |
} |
455 |
} |
456 |
} |
457 |
if (argsOK) { |
458 |
if (declType == REAL_EXPR) |
459 |
context->vartable[name] = new RealArrayVariable(context, size, args, qConst); |
460 |
else |
461 |
context->vartable[name] = new IntArrayVariable(context, size, args, qConst); |
462 |
} |
463 |
} |
464 |
} |
465 |
} |
466 |
} |
467 |
} |
468 |
| assignment { |
469 |
$$ = $1; |
470 |
} |
471 |
| WHILE '(' expr ')' opt_statements END WHILE { |
472 |
if ($3->exprType() == INT_EXPR) { |
473 |
IntExprRef expr = $3; |
474 |
if (expr->asNumber()->unitType() || |
475 |
expr->asNumber()->hasUnitFactorEver()) |
476 |
PARSE_WRN(@3, "Condition for 'while' loops contains a unit."); |
477 |
else if (expr->isFinal() && expr->isConstExpr()) |
478 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
479 |
$$ = new While(expr, $5); |
480 |
} else { |
481 |
PARSE_ERR(@3, "Condition for 'while' loops must be integer expression."); |
482 |
$$ = new While(new IntLiteral({ .value = 0 }), $5); |
483 |
} |
484 |
} |
485 |
| SYNCHRONIZED opt_statements END SYNCHRONIZED { |
486 |
$$ = new SyncBlock($2); |
487 |
} |
488 |
| IF '(' expr ')' opt_statements ELSE opt_statements END IF { |
489 |
if ($3->exprType() == INT_EXPR) { |
490 |
IntExprRef expr = $3; |
491 |
if (expr->asNumber()->unitType() || |
492 |
expr->asNumber()->hasUnitFactorEver()) |
493 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
494 |
else if (expr->isFinal() && expr->isConstExpr()) |
495 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
496 |
$$ = new If($3, $5, $7); |
497 |
} else { |
498 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
499 |
$$ = new If(new IntLiteral({ .value = 0 }), $5, $7); |
500 |
} |
501 |
} |
502 |
| IF '(' expr ')' opt_statements END IF { |
503 |
if ($3->exprType() == INT_EXPR) { |
504 |
IntExprRef expr = $3; |
505 |
if (expr->asNumber()->unitType() || |
506 |
expr->asNumber()->hasUnitFactorEver()) |
507 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
508 |
else if (expr->isFinal() && expr->isConstExpr()) |
509 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
510 |
$$ = new If($3, $5); |
511 |
} else { |
512 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
513 |
$$ = new If(new IntLiteral({ .value = 0 }), $5); |
514 |
} |
515 |
} |
516 |
| SELECT expr caseclauses END SELECT { |
517 |
if ($2->exprType() == INT_EXPR) { |
518 |
IntExprRef expr = $2; |
519 |
if (expr->unitType() || expr->hasUnitFactorEver()) { |
520 |
PARSE_ERR(@2, "Units are not allowed here."); |
521 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
522 |
} else { |
523 |
if (expr->isFinal() && expr->isConstExpr()) |
524 |
PARSE_WRN(@2, "Final operator '!' is meaningless here."); |
525 |
$$ = new SelectCase(expr, $3); |
526 |
} |
527 |
} else { |
528 |
PARSE_ERR(@2, "Statement 'select' can only by applied to integer expressions."); |
529 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
530 |
} |
531 |
} |
532 |
|
533 |
caseclauses: |
534 |
caseclause { |
535 |
$$ = CaseBranches(); |
536 |
$$.push_back($1); |
537 |
} |
538 |
| caseclauses caseclause { |
539 |
$$ = $1; |
540 |
$$.push_back($2); |
541 |
} |
542 |
|
543 |
caseclause: |
544 |
CASE INTEGER opt_statements { |
545 |
$$ = CaseBranch(); |
546 |
$$.from = new IntLiteral({ .value = $2 }); |
547 |
$$.statements = $3; |
548 |
} |
549 |
| CASE INTEGER TO INTEGER opt_statements { |
550 |
$$ = CaseBranch(); |
551 |
$$.from = new IntLiteral({ .value = $2 }); |
552 |
$$.to = new IntLiteral({ .value = $4 }); |
553 |
$$.statements = $5; |
554 |
} |
555 |
|
556 |
userfunctioncall: |
557 |
CALL IDENTIFIER { |
558 |
const char* name = $2; |
559 |
StatementsRef fn = context->userFunctionByName(name); |
560 |
if (context->functionProvider->functionByName(name)) { |
561 |
PARSE_ERR(@1, (String("Keyword 'call' must only be used for user defined functions, not for any built-in function like '") + name + "'.").c_str()); |
562 |
$$ = StatementsRef(); |
563 |
} else if (!fn) { |
564 |
PARSE_ERR(@2, (String("No user defined function with name '") + name + "'.").c_str()); |
565 |
$$ = StatementsRef(); |
566 |
} else { |
567 |
$$ = fn; |
568 |
} |
569 |
} |
570 |
|
571 |
functioncall: |
572 |
IDENTIFIER '(' args ')' { |
573 |
const char* name = $1; |
574 |
//printf("function call of '%s' with args\n", name); |
575 |
ArgsRef args = $3; |
576 |
VMFunction* fn = context->functionProvider->functionByName(name); |
577 |
if (context->userFunctionByName(name)) { |
578 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
579 |
$$ = new FunctionCall(name, args, NULL); |
580 |
} else if (!fn) { |
581 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
582 |
$$ = new FunctionCall(name, args, NULL); |
583 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
584 |
PARSE_DROP(@$); |
585 |
$$ = new NoFunctionCall; |
586 |
} else if (args->argsCount() < fn->minRequiredArgs()) { |
587 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
588 |
$$ = new FunctionCall(name, args, NULL); |
589 |
} else if (args->argsCount() > fn->maxAllowedArgs()) { |
590 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' accepts max. " + ToString(fn->maxAllowedArgs()) + " arguments.").c_str()); |
591 |
$$ = new FunctionCall(name, args, NULL); |
592 |
} else { |
593 |
bool argsOK = true; |
594 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
595 |
if (!fn->acceptsArgType(i, args->arg(i)->exprType())) { |
596 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects " + acceptedArgTypesStr(fn, i) + " type, but type " + typeStr(args->arg(i)->exprType()) + " was given instead.").c_str()); |
597 |
argsOK = false; |
598 |
break; |
599 |
} else if (fn->modifiesArg(i) && !args->arg(i)->isModifyable()) { |
600 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects an assignable variable.").c_str()); |
601 |
argsOK = false; |
602 |
break; |
603 |
} else if (isNumber(args->arg(i)->exprType()) && !fn->acceptsArgUnitType(i, args->arg(i)->asNumber()->unitType())) { |
604 |
if (args->arg(i)->asNumber()->unitType()) |
605 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect unit " + unitTypeStr(args->arg(i)->asNumber()->unitType()) + ".").c_str()); |
606 |
else |
607 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects a unit.").c_str()); |
608 |
argsOK = false; |
609 |
break; |
610 |
} else if (isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->hasUnitFactorEver() && !fn->acceptsArgUnitPrefix(i, args->arg(i)->asNumber()->unitType())) { |
611 |
if (args->arg(i)->asNumber()->unitType()) |
612 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a unit prefix for unit" + unitTypeStr(args->arg(i)->asNumber()->unitType()) + ".").c_str()); |
613 |
else |
614 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a unit prefix.").c_str()); |
615 |
argsOK = false; |
616 |
break; |
617 |
} else if (!fn->acceptsArgFinal(i) && isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->isFinal()) { |
618 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a \"final\" value.").c_str()); |
619 |
argsOK = false; |
620 |
break; |
621 |
} |
622 |
} |
623 |
if (argsOK) { |
624 |
// perform built-in function's own, custom arguments checks (if any) |
625 |
fn->checkArgs(&*args, [&](String err) { |
626 |
PARSE_ERR(@3, (String("Built-in function '") + name + "()': " + err).c_str()); |
627 |
argsOK = false; |
628 |
}, [&](String wrn) { |
629 |
PARSE_WRN(@3, (String("Built-in function '") + name + "()': " + wrn).c_str()); |
630 |
}); |
631 |
} |
632 |
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
633 |
} |
634 |
} |
635 |
| IDENTIFIER '(' ')' { |
636 |
const char* name = $1; |
637 |
//printf("function call of '%s' (with empty args)\n", name); |
638 |
ArgsRef args = new Args; |
639 |
VMFunction* fn = context->functionProvider->functionByName(name); |
640 |
if (context->userFunctionByName(name)) { |
641 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
642 |
$$ = new FunctionCall(name, args, NULL); |
643 |
} else if (!fn) { |
644 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
645 |
$$ = new FunctionCall(name, args, NULL); |
646 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
647 |
PARSE_DROP(@$); |
648 |
$$ = new NoFunctionCall; |
649 |
} else if (fn->minRequiredArgs() > 0) { |
650 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
651 |
$$ = new FunctionCall(name, args, NULL); |
652 |
} else { |
653 |
$$ = new FunctionCall(name, args, fn); |
654 |
} |
655 |
} |
656 |
| IDENTIFIER { |
657 |
const char* name = $1; |
658 |
//printf("function call of '%s' (without args)\n", name); |
659 |
ArgsRef args = new Args; |
660 |
VMFunction* fn = context->functionProvider->functionByName(name); |
661 |
if (context->userFunctionByName(name)) { |
662 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
663 |
$$ = new FunctionCall(name, args, NULL); |
664 |
} else if (!fn) { |
665 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
666 |
$$ = new FunctionCall(name, args, NULL); |
667 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
668 |
PARSE_DROP(@$); |
669 |
$$ = new NoFunctionCall; |
670 |
} else if (fn->minRequiredArgs() > 0) { |
671 |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
672 |
$$ = new FunctionCall(name, args, NULL); |
673 |
} else { |
674 |
$$ = new FunctionCall(name, args, fn); |
675 |
} |
676 |
} |
677 |
|
678 |
args: |
679 |
arg { |
680 |
$$ = new Args(); |
681 |
$$->add($1); |
682 |
} |
683 |
| args ',' arg { |
684 |
$$ = $1; |
685 |
$$->add($3); |
686 |
} |
687 |
|
688 |
arg: |
689 |
expr |
690 |
|
691 |
opt_qualifiers: |
692 |
/* epsilon (empty argument) */ { |
693 |
$$ = QUALIFIER_NONE; |
694 |
} |
695 |
| qualifiers { |
696 |
$$ = $1; |
697 |
} |
698 |
|
699 |
qualifiers: |
700 |
qualifier { |
701 |
$$ = $1; |
702 |
} |
703 |
| qualifiers qualifier { |
704 |
if ($1 & $2) |
705 |
PARSE_ERR(@2, ("Qualifier '" + qualifierStr($2) + "' must only be listed once.").c_str()); |
706 |
$$ = (Qualifier_t) ($1 | $2); |
707 |
} |
708 |
|
709 |
qualifier: |
710 |
CONST_ { |
711 |
$$ = QUALIFIER_CONST; |
712 |
} |
713 |
| POLYPHONIC { |
714 |
$$ = QUALIFIER_POLYPHONIC; |
715 |
} |
716 |
|
717 |
opt_assignment: |
718 |
/* epsilon (empty argument) */ { |
719 |
$$ = ExpressionRef(); |
720 |
} |
721 |
| ASSIGNMENT expr { |
722 |
$$ = $2; |
723 |
} |
724 |
|
725 |
opt_arr_assignment: |
726 |
/* epsilon (empty argument) */ { |
727 |
$$ = ArgsRef(); |
728 |
} |
729 |
| ASSIGNMENT '(' args ')' { |
730 |
$$ = $3; |
731 |
} |
732 |
|
733 |
assignment: |
734 |
VARIABLE ASSIGNMENT expr { |
735 |
//printf("variable lookup with name '%s' as assignment expr\n", $1); |
736 |
const char* name = $1; |
737 |
VariableRef var = context->variableByName(name); |
738 |
if (!var) |
739 |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
740 |
else if (var->isConstExpr()) |
741 |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
742 |
else if (!var->isAssignable()) |
743 |
PARSE_ERR(@2, (String("Variable assignment: Variable '") + name + "' is not assignable.").c_str()); |
744 |
else if (var->exprType() != $3->exprType()) |
745 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
746 |
else if (isNumber(var->exprType())) { |
747 |
NumberVariableRef numberVar = var; |
748 |
NumberExprRef expr = $3; |
749 |
if (numberVar->unitType() != expr->unitType()) |
750 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' has unit type " + unitTypeStr(numberVar->unitType()) + ", assignment has unit type " + unitTypeStr(expr->unitType()) + " though.").c_str()); |
751 |
else if (numberVar->isFinal() != expr->isFinal()) |
752 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' was declared as " + String(numberVar->isFinal() ? "final" : "not final") + ", assignment is " + String(expr->isFinal() ? "final" : "not final") + " though.").c_str()); |
753 |
} |
754 |
$$ = new Assignment(var, $3); |
755 |
} |
756 |
| VARIABLE '[' expr ']' ASSIGNMENT expr { |
757 |
const char* name = $1; |
758 |
VariableRef var = context->variableByName(name); |
759 |
if (!var) |
760 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
761 |
else if (!isArray(var->exprType())) |
762 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
763 |
else if (var->isConstExpr()) |
764 |
PARSE_ERR(@5, (String("Variable assignment: Cannot modify const array variable '") + name + "'.").c_str()); |
765 |
else if (!var->isAssignable()) |
766 |
PARSE_ERR(@5, (String("Variable assignment: Array variable '") + name + "' is not assignable.").c_str()); |
767 |
else if ($3->exprType() != INT_EXPR) |
768 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
769 |
else if ($3->asInt()->unitType()) |
770 |
PARSE_ERR(@3, "Unit types are not allowed as array index."); |
771 |
else if ($6->exprType() != scalarTypeOfArray(var->exprType())) |
772 |
PARSE_ERR(@5, (String("Variable '") + name + "' was declared as " + typeStr(var->exprType()) + ", assigned expression is " + typeStr($6->exprType()) + " though.").c_str()); |
773 |
else if ($6->asNumber()->unitType()) |
774 |
PARSE_ERR(@6, "Unit types are not allowed for array variables."); |
775 |
else if ($6->asNumber()->isFinal()) |
776 |
PARSE_ERR(@6, "Final operator '!' not allowed for array variables."); |
777 |
else if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
778 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
779 |
" exceeds size of array variable '" + name + |
780 |
"' which was declared with size " + |
781 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
782 |
else if ($3->asInt()->isFinal()) |
783 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
784 |
if (var->exprType() == INT_ARR_EXPR) { |
785 |
IntArrayElementRef element = new IntArrayElement(var, $3); |
786 |
$$ = new Assignment(element, $6); |
787 |
} else if (var->exprType() == REAL_ARR_EXPR) { |
788 |
RealArrayElementRef element = new RealArrayElement(var, $3); |
789 |
$$ = new Assignment(element, $6); |
790 |
} else { |
791 |
$$ = new NoOperation; // actually not possible to ever get here |
792 |
} |
793 |
} |
794 |
|
795 |
unary_expr: |
796 |
INTEGER { |
797 |
$$ = new IntLiteral({ .value = $1 }); |
798 |
} |
799 |
| REAL { |
800 |
$$ = new RealLiteral({ .value = $1 }); |
801 |
} |
802 |
| INTEGER_UNIT { |
803 |
IntLiteralRef literal = new IntLiteral({ |
804 |
.value = $1.iValue, |
805 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
806 |
.unitType = $1.unit |
807 |
}); |
808 |
$$ = literal; |
809 |
} |
810 |
| REAL_UNIT { |
811 |
RealLiteralRef literal = new RealLiteral({ |
812 |
.value = $1.fValue, |
813 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
814 |
.unitType = $1.unit |
815 |
}); |
816 |
$$ = literal; |
817 |
} |
818 |
| STRING { |
819 |
$$ = new StringLiteral($1); |
820 |
} |
821 |
| VARIABLE { |
822 |
//printf("variable lookup with name '%s' as unary expr\n", $1); |
823 |
VariableRef var = context->variableByName($1); |
824 |
if (var) |
825 |
$$ = var; |
826 |
else { |
827 |
PARSE_ERR(@1, (String("No variable declared with name '") + $1 + "'.").c_str()); |
828 |
$$ = new IntLiteral({ .value = 0 }); |
829 |
} |
830 |
} |
831 |
| VARIABLE '[' expr ']' { |
832 |
const char* name = $1; |
833 |
VariableRef var = context->variableByName(name); |
834 |
if (!var) { |
835 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
836 |
$$ = new IntLiteral({ .value = 0 }); |
837 |
} else if (!isArray(var->exprType())) { |
838 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
839 |
$$ = new IntLiteral({ .value = 0 }); |
840 |
} else if ($3->exprType() != INT_EXPR) { |
841 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
842 |
$$ = new IntLiteral({ .value = 0 }); |
843 |
} else if ($3->asInt()->unitType() || $3->asInt()->hasUnitFactorEver()) { |
844 |
PARSE_ERR(@3, "Units are not allowed as array index."); |
845 |
$$ = new IntLiteral({ .value = 0 }); |
846 |
} else { |
847 |
if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
848 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
849 |
" exceeds size of array variable '" + name + |
850 |
"' which was declared with size " + |
851 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
852 |
else if ($3->asInt()->isFinal()) |
853 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
854 |
if (var->exprType() == REAL_ARR_EXPR) { |
855 |
$$ = new RealArrayElement(var, $3); |
856 |
} else { |
857 |
$$ = new IntArrayElement(var, $3); |
858 |
} |
859 |
} |
860 |
} |
861 |
| '(' expr ')' { |
862 |
$$ = $2; |
863 |
} |
864 |
| functioncall { |
865 |
$$ = $1; |
866 |
} |
867 |
| '+' unary_expr { |
868 |
$$ = $2; |
869 |
} |
870 |
| '-' unary_expr { |
871 |
$$ = new Neg($2); |
872 |
} |
873 |
| BITWISE_NOT unary_expr { |
874 |
if ($2->exprType() != INT_EXPR) { |
875 |
PARSE_ERR(@2, (String("Right operand of bitwise operator '.not.' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
876 |
$$ = new IntLiteral({ .value = 0 }); |
877 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
878 |
PARSE_ERR(@2, "Units are not allowed for operands of bitwise operations."); |
879 |
$$ = new IntLiteral({ .value = 0 }); |
880 |
} else { |
881 |
$$ = new BitwiseNot($2); |
882 |
} |
883 |
} |
884 |
| NOT unary_expr { |
885 |
if ($2->exprType() != INT_EXPR) { |
886 |
PARSE_ERR(@2, (String("Right operand of operator 'not' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
887 |
$$ = new IntLiteral({ .value = 0 }); |
888 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
889 |
PARSE_ERR(@2, "Units are not allowed for operands of logical operations."); |
890 |
$$ = new IntLiteral({ .value = 0 }); |
891 |
} else { |
892 |
$$ = new Not($2); |
893 |
} |
894 |
} |
895 |
| '!' unary_expr { |
896 |
if (!isNumber($2->exprType())) { |
897 |
PARSE_ERR(@2, (String("Right operand of \"final\" operator '!' must be a scalar number expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
898 |
$$ = new IntLiteral({ .value = 0 }); |
899 |
} else { |
900 |
$$ = new Final($2); |
901 |
} |
902 |
} |
903 |
|
904 |
expr: |
905 |
concat_expr |
906 |
|
907 |
concat_expr: |
908 |
logical_or_expr |
909 |
| concat_expr '&' logical_or_expr { |
910 |
ExpressionRef lhs = $1; |
911 |
ExpressionRef rhs = $3; |
912 |
if (lhs->isConstExpr() && rhs->isConstExpr()) { |
913 |
$$ = new StringLiteral( |
914 |
lhs->evalCastToStr() + rhs->evalCastToStr() |
915 |
); |
916 |
} else { |
917 |
$$ = new ConcatString(lhs, rhs); |
918 |
} |
919 |
} |
920 |
|
921 |
logical_or_expr: |
922 |
logical_and_expr |
923 |
| logical_or_expr OR logical_and_expr { |
924 |
ExpressionRef lhs = $1; |
925 |
ExpressionRef rhs = $3; |
926 |
if (lhs->exprType() != INT_EXPR) { |
927 |
PARSE_ERR(@1, (String("Left operand of operator 'or' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
928 |
$$ = new IntLiteral({ .value = 0 }); |
929 |
} else if (rhs->exprType() != INT_EXPR) { |
930 |
PARSE_ERR(@3, (String("Right operand of operator 'or' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
931 |
$$ = new IntLiteral({ .value = 0 }); |
932 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
933 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
934 |
$$ = new IntLiteral({ .value = 0 }); |
935 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
936 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
937 |
$$ = new IntLiteral({ .value = 0 }); |
938 |
} else { |
939 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
940 |
PARSE_WRN(@3, "Right operand of 'or' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
941 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
942 |
PARSE_WRN(@1, "Left operand of 'or' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
943 |
$$ = new Or(lhs, rhs); |
944 |
} |
945 |
} |
946 |
|
947 |
logical_and_expr: |
948 |
bitwise_or_expr { |
949 |
$$ = $1; |
950 |
} |
951 |
| logical_and_expr AND bitwise_or_expr { |
952 |
ExpressionRef lhs = $1; |
953 |
ExpressionRef rhs = $3; |
954 |
if (lhs->exprType() != INT_EXPR) { |
955 |
PARSE_ERR(@1, (String("Left operand of operator 'and' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
956 |
$$ = new IntLiteral({ .value = 0 }); |
957 |
} else if (rhs->exprType() != INT_EXPR) { |
958 |
PARSE_ERR(@3, (String("Right operand of operator 'and' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
959 |
$$ = new IntLiteral({ .value = 0 }); |
960 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
961 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
962 |
$$ = new IntLiteral({ .value = 0 }); |
963 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
964 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
965 |
$$ = new IntLiteral({ .value = 0 }); |
966 |
} else { |
967 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
968 |
PARSE_WRN(@3, "Right operand of 'and' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
969 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
970 |
PARSE_WRN(@1, "Left operand of 'and' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
971 |
$$ = new And(lhs, rhs); |
972 |
} |
973 |
} |
974 |
|
975 |
bitwise_or_expr: |
976 |
bitwise_and_expr |
977 |
| bitwise_or_expr BITWISE_OR bitwise_and_expr { |
978 |
ExpressionRef lhs = $1; |
979 |
ExpressionRef rhs = $3; |
980 |
if (lhs->exprType() != INT_EXPR) { |
981 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
982 |
$$ = new IntLiteral({ .value = 0 }); |
983 |
} else if (rhs->exprType() != INT_EXPR) { |
984 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
985 |
$$ = new IntLiteral({ .value = 0 }); |
986 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
987 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
988 |
$$ = new IntLiteral({ .value = 0 }); |
989 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
990 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
991 |
$$ = new IntLiteral({ .value = 0 }); |
992 |
} else { |
993 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
994 |
PARSE_WRN(@3, "Right operand of '.or.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
995 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
996 |
PARSE_WRN(@1, "Left operand of '.or.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
997 |
$$ = new BitwiseOr(lhs, rhs); |
998 |
} |
999 |
} |
1000 |
|
1001 |
bitwise_and_expr: |
1002 |
rel_expr { |
1003 |
$$ = $1; |
1004 |
} |
1005 |
| bitwise_and_expr BITWISE_AND rel_expr { |
1006 |
ExpressionRef lhs = $1; |
1007 |
ExpressionRef rhs = $3; |
1008 |
if (lhs->exprType() != INT_EXPR) { |
1009 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1010 |
$$ = new IntLiteral({ .value = 0 }); |
1011 |
} else if (rhs->exprType() != INT_EXPR) { |
1012 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1013 |
$$ = new IntLiteral({ .value = 0 }); |
1014 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1015 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
1016 |
$$ = new IntLiteral({ .value = 0 }); |
1017 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1018 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
1019 |
$$ = new IntLiteral({ .value = 0 }); |
1020 |
} else { |
1021 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1022 |
PARSE_WRN(@3, "Right operand of '.and.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1023 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1024 |
PARSE_WRN(@1, "Left operand of '.and.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1025 |
$$ = new BitwiseAnd(lhs, rhs); |
1026 |
} |
1027 |
} |
1028 |
|
1029 |
rel_expr: |
1030 |
add_expr |
1031 |
| rel_expr '<' add_expr { |
1032 |
ExpressionRef lhs = $1; |
1033 |
ExpressionRef rhs = $3; |
1034 |
if (!isNumber(lhs->exprType())) { |
1035 |
PARSE_ERR(@1, (String("Left operand of operator '<' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1036 |
$$ = new IntLiteral({ .value = 0 }); |
1037 |
} else if (!isNumber(rhs->exprType())) { |
1038 |
PARSE_ERR(@3, (String("Right operand of operator '<' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1039 |
$$ = new IntLiteral({ .value = 0 }); |
1040 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1041 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1042 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1043 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1044 |
$$ = new IntLiteral({ .value = 0 }); |
1045 |
} else { |
1046 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1047 |
PARSE_WRN(@3, "Right operand of '<' comparison is not 'final', left operand is 'final' though."); |
1048 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1049 |
PARSE_WRN(@1, "Left operand of '<' comparison is not 'final', right operand is 'final' though."); |
1050 |
$$ = new Relation(lhs, Relation::LESS_THAN, rhs); |
1051 |
} |
1052 |
} |
1053 |
| rel_expr '>' add_expr { |
1054 |
ExpressionRef lhs = $1; |
1055 |
ExpressionRef rhs = $3; |
1056 |
if (!isNumber(lhs->exprType())) { |
1057 |
PARSE_ERR(@1, (String("Left operand of operator '>' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1058 |
$$ = new IntLiteral({ .value = 0 }); |
1059 |
} else if (!isNumber(rhs->exprType())) { |
1060 |
PARSE_ERR(@3, (String("Right operand of operator '>' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1061 |
$$ = new IntLiteral({ .value = 0 }); |
1062 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1063 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1064 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1065 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1066 |
$$ = new IntLiteral({ .value = 0 }); |
1067 |
} else { |
1068 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1069 |
PARSE_WRN(@3, "Right operand of '>' comparison is not 'final', left operand is 'final' though."); |
1070 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1071 |
PARSE_WRN(@1, "Left operand of '>' comparison is not 'final', right operand is 'final' though."); |
1072 |
$$ = new Relation(lhs, Relation::GREATER_THAN, rhs); |
1073 |
} |
1074 |
} |
1075 |
| rel_expr LE add_expr { |
1076 |
ExpressionRef lhs = $1; |
1077 |
ExpressionRef rhs = $3; |
1078 |
if (!isNumber(lhs->exprType())) { |
1079 |
PARSE_ERR(@1, (String("Left operand of operator '<=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1080 |
$$ = new IntLiteral({ .value = 0 }); |
1081 |
} else if (!isNumber(rhs->exprType())) { |
1082 |
PARSE_ERR(@3, (String("Right operand of operator '<=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1083 |
$$ = new IntLiteral({ .value = 0 }); |
1084 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1085 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1086 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1087 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1088 |
$$ = new IntLiteral({ .value = 0 }); |
1089 |
} else { |
1090 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1091 |
PARSE_WRN(@3, "Right operand of '<=' comparison is not 'final', left operand is 'final' though."); |
1092 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1093 |
PARSE_WRN(@1, "Left operand of '<=' comparison is not 'final', right operand is 'final' though."); |
1094 |
$$ = new Relation(lhs, Relation::LESS_OR_EQUAL, rhs); |
1095 |
} |
1096 |
} |
1097 |
| rel_expr GE add_expr { |
1098 |
ExpressionRef lhs = $1; |
1099 |
ExpressionRef rhs = $3; |
1100 |
if (!isNumber(lhs->exprType())) { |
1101 |
PARSE_ERR(@1, (String("Left operand of operator '>=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1102 |
$$ = new IntLiteral({ .value = 0 }); |
1103 |
} else if (!isNumber(rhs->exprType())) { |
1104 |
PARSE_ERR(@3, (String("Right operand of operator '>=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1105 |
$$ = new IntLiteral({ .value = 0 }); |
1106 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1107 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1108 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1109 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1110 |
$$ = new IntLiteral({ .value = 0 }); |
1111 |
} else { |
1112 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1113 |
PARSE_WRN(@3, "Right operand of '>=' comparison is not 'final', left operand is 'final' though."); |
1114 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1115 |
PARSE_WRN(@1, "Left operand of '>=' comparison is not 'final', right operand is 'final' though."); |
1116 |
$$ = new Relation(lhs, Relation::GREATER_OR_EQUAL, rhs); |
1117 |
} |
1118 |
} |
1119 |
| rel_expr '=' add_expr { |
1120 |
ExpressionRef lhs = $1; |
1121 |
ExpressionRef rhs = $3; |
1122 |
if (!isNumber(lhs->exprType())) { |
1123 |
PARSE_ERR(@1, (String("Left operand of operator '=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1124 |
$$ = new IntLiteral({ .value = 0 }); |
1125 |
} else if (!isNumber(rhs->exprType())) { |
1126 |
PARSE_ERR(@3, (String("Right operand of operator '=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1127 |
$$ = new IntLiteral({ .value = 0 }); |
1128 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1129 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1130 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1131 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1132 |
$$ = new IntLiteral({ .value = 0 }); |
1133 |
} else { |
1134 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1135 |
PARSE_WRN(@3, "Right operand of '=' comparison is not 'final', left operand is 'final' though."); |
1136 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1137 |
PARSE_WRN(@1, "Left operand of '=' comparison is not 'final', right operand is 'final' though."); |
1138 |
$$ = new Relation(lhs, Relation::EQUAL, rhs); |
1139 |
} |
1140 |
} |
1141 |
| rel_expr '#' add_expr { |
1142 |
ExpressionRef lhs = $1; |
1143 |
ExpressionRef rhs = $3; |
1144 |
if (!isNumber(lhs->exprType())) { |
1145 |
PARSE_ERR(@1, (String("Left operand of operator '#' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1146 |
$$ = new IntLiteral({ .value = 0 }); |
1147 |
} else if (!isNumber(rhs->exprType())) { |
1148 |
PARSE_ERR(@3, (String("Right operand of operator '#' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1149 |
$$ = new IntLiteral({ .value = 0 }); |
1150 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1151 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1152 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1153 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1154 |
$$ = new IntLiteral({ .value = 0 }); |
1155 |
} else { |
1156 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1157 |
PARSE_WRN(@3, "Right operand of '#' comparison is not 'final', left operand is 'final' though."); |
1158 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1159 |
PARSE_WRN(@1, "Left operand of '#' comparison is not 'final', right operand is 'final' though."); |
1160 |
$$ = new Relation(lhs, Relation::NOT_EQUAL, rhs); |
1161 |
} |
1162 |
} |
1163 |
|
1164 |
add_expr: |
1165 |
mul_expr |
1166 |
| add_expr '+' mul_expr { |
1167 |
ExpressionRef lhs = $1; |
1168 |
ExpressionRef rhs = $3; |
1169 |
if (!isNumber(lhs->exprType())) { |
1170 |
PARSE_ERR(@1, (String("Left operand of operator '+' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1171 |
$$ = new IntLiteral({ .value = 0 }); |
1172 |
} else if (!isNumber(rhs->exprType())) { |
1173 |
PARSE_ERR(@1, (String("Right operand of operator '+' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1174 |
$$ = new IntLiteral({ .value = 0 }); |
1175 |
} else if (lhs->exprType() != rhs->exprType()) { |
1176 |
PARSE_ERR(@2, (String("Operands of operator '+' must have same type; left operand is ") + |
1177 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1178 |
$$ = new IntLiteral({ .value = 0 }); |
1179 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1180 |
PARSE_ERR(@2, (String("Operands of '+' operations must have same unit, left operand is ") + |
1181 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1182 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1183 |
$$ = new IntLiteral({ .value = 0 }); |
1184 |
} else { |
1185 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1186 |
PARSE_WRN(@3, "Right operand of '+' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1187 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1188 |
PARSE_WRN(@1, "Left operand of '+' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1189 |
$$ = new Add(lhs,rhs); |
1190 |
} |
1191 |
} |
1192 |
| add_expr '-' mul_expr { |
1193 |
ExpressionRef lhs = $1; |
1194 |
ExpressionRef rhs = $3; |
1195 |
if (!isNumber(lhs->exprType())) { |
1196 |
PARSE_ERR(@1, (String("Left operand of operator '-' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1197 |
$$ = new IntLiteral({ .value = 0 }); |
1198 |
} else if (!isNumber(rhs->exprType())) { |
1199 |
PARSE_ERR(@1, (String("Right operand of operator '-' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1200 |
$$ = new IntLiteral({ .value = 0 }); |
1201 |
} else if (lhs->exprType() != rhs->exprType()) { |
1202 |
PARSE_ERR(@2, (String("Operands of operator '-' must have same type; left operand is ") + |
1203 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1204 |
$$ = new IntLiteral({ .value = 0 }); |
1205 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1206 |
PARSE_ERR(@2, (String("Operands of '-' operations must have same unit, left operand is ") + |
1207 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1208 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1209 |
$$ = new IntLiteral({ .value = 0 }); |
1210 |
} else { |
1211 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1212 |
PARSE_WRN(@3, "Right operand of '-' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1213 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1214 |
PARSE_WRN(@1, "Left operand of '-' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1215 |
$$ = new Sub(lhs,rhs); |
1216 |
} |
1217 |
} |
1218 |
|
1219 |
mul_expr: |
1220 |
unary_expr |
1221 |
| mul_expr '*' unary_expr { |
1222 |
ExpressionRef lhs = $1; |
1223 |
ExpressionRef rhs = $3; |
1224 |
if (!isNumber(lhs->exprType())) { |
1225 |
PARSE_ERR(@1, (String("Left operand of operator '*' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1226 |
$$ = new IntLiteral({ .value = 0 }); |
1227 |
} else if (!isNumber(rhs->exprType())) { |
1228 |
PARSE_ERR(@1, (String("Right operand of operator '*' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1229 |
$$ = new IntLiteral({ .value = 0 }); |
1230 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1231 |
PARSE_ERR(@2, (String("Only one operand of operator '*' may have a unit type, left operand is ") + |
1232 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1233 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1234 |
$$ = new IntLiteral({ .value = 0 }); |
1235 |
} else if (lhs->exprType() != rhs->exprType()) { |
1236 |
PARSE_ERR(@2, (String("Operands of operator '*' must have same type; left operand is ") + |
1237 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1238 |
$$ = new IntLiteral({ .value = 0 }); |
1239 |
} else { |
1240 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1241 |
PARSE_WRN(@3, "Right operand of '*' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1242 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1243 |
PARSE_WRN(@1, "Left operand of '*' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1244 |
$$ = new Mul(lhs,rhs); |
1245 |
} |
1246 |
} |
1247 |
| mul_expr '/' unary_expr { |
1248 |
ExpressionRef lhs = $1; |
1249 |
ExpressionRef rhs = $3; |
1250 |
if (!isNumber(lhs->exprType())) { |
1251 |
PARSE_ERR(@1, (String("Left operand of operator '/' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1252 |
$$ = new IntLiteral({ .value = 0 }); |
1253 |
} else if (!isNumber(rhs->exprType())) { |
1254 |
PARSE_ERR(@1, (String("Right operand of operator '/' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1255 |
$$ = new IntLiteral({ .value = 0 }); |
1256 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType() && |
1257 |
lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) |
1258 |
{ |
1259 |
PARSE_ERR(@2, (String("Operands of operator '/' with two different unit types, left operand is ") + |
1260 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1261 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1262 |
$$ = new IntLiteral({ .value = 0 }); |
1263 |
} else if (!lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1264 |
PARSE_ERR(@3, ("Dividing left operand without any unit type by right operand with unit type (" + |
1265 |
unitTypeStr(rhs->asNumber()->unitType()) + ") is not possible.").c_str()); |
1266 |
$$ = new IntLiteral({ .value = 0 }); |
1267 |
} else if (lhs->exprType() != rhs->exprType()) { |
1268 |
PARSE_ERR(@2, (String("Operands of operator '/' must have same type; left operand is ") + |
1269 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1270 |
$$ = new IntLiteral({ .value = 0 }); |
1271 |
} else { |
1272 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1273 |
PARSE_WRN(@3, "Right operand of '/' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1274 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1275 |
PARSE_WRN(@1, "Left operand of '/' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1276 |
$$ = new Div(lhs,rhs); |
1277 |
} |
1278 |
} |
1279 |
| mul_expr MOD unary_expr { |
1280 |
ExpressionRef lhs = $1; |
1281 |
ExpressionRef rhs = $3; |
1282 |
if (lhs->exprType() != INT_EXPR) { |
1283 |
PARSE_ERR(@1, (String("Left operand of modulo operator must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1284 |
$$ = new IntLiteral({ .value = 0 }); |
1285 |
} else if (rhs->exprType() != INT_EXPR) { |
1286 |
PARSE_ERR(@3, (String("Right operand of modulo operator must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1287 |
$$ = new IntLiteral({ .value = 0 }); |
1288 |
} else { |
1289 |
if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) |
1290 |
PARSE_ERR(@1, "Operands of modulo operator must not use any unit."); |
1291 |
if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) |
1292 |
PARSE_ERR(@3, "Operands of modulo operator must not use any unit."); |
1293 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1294 |
PARSE_WRN(@3, "Right operand of 'mod' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1295 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1296 |
PARSE_WRN(@1, "Left operand of 'mod' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1297 |
$$ = new Mod(lhs,rhs); |
1298 |
} |
1299 |
} |
1300 |
|
1301 |
%% |
1302 |
|
1303 |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err) { |
1304 |
//fprintf(stderr, "%d: %s\n", locp->first_line, err); |
1305 |
context->addErr(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, err); |
1306 |
} |
1307 |
|
1308 |
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt) { |
1309 |
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
1310 |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, txt); |
1311 |
} |
1312 |
|
1313 |
/// Custom implementation of yytnamerr() to ensure quotation is always stripped from token names before printing them to error messages. |
1314 |
int InstrScript_tnamerr(char* yyres, const char* yystr) { |
1315 |
if (*yystr == '"') { |
1316 |
int yyn = 0; |
1317 |
char const *yyp = yystr; |
1318 |
for (;;) |
1319 |
switch (*++yyp) |
1320 |
{ |
1321 |
/* |
1322 |
case '\'': |
1323 |
case ',': |
1324 |
goto do_not_strip_quotes; |
1325 |
|
1326 |
case '\\': |
1327 |
if (*++yyp != '\\') |
1328 |
goto do_not_strip_quotes; |
1329 |
*/ |
1330 |
/* Fall through. */ |
1331 |
default: |
1332 |
if (yyres) |
1333 |
yyres[yyn] = *yyp; |
1334 |
yyn++; |
1335 |
break; |
1336 |
|
1337 |
case '"': |
1338 |
if (yyres) |
1339 |
yyres[yyn] = '\0'; |
1340 |
return yyn; |
1341 |
} |
1342 |
/* |
1343 |
do_not_strip_quotes: ; |
1344 |
*/ |
1345 |
} |
1346 |
|
1347 |
if (! yyres) |
1348 |
return (int) yystrlen (yystr); |
1349 |
|
1350 |
return int( yystpcpy (yyres, yystr) - yyres ); |
1351 |
} |