1 |
schoenebeck |
2581 |
/* |
2 |
schoenebeck |
3253 |
* Copyright (c) 2014-2017 Christian Schoenebeck and Andreas Persson |
3 |
schoenebeck |
2581 |
* |
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 |
schoenebeck |
2888 |
|
10 |
|
|
/* Parser for NKSP real-time instrument script language. */ |
11 |
schoenebeck |
2581 |
|
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 |
schoenebeck |
3008 |
int InstrScript_tnamerr(char* yyres, const char* yystr); |
22 |
schoenebeck |
2581 |
int InstrScript_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner); |
23 |
|
|
#define scanner context->scanner |
24 |
schoenebeck |
2888 |
#define PARSE_ERR(loc,txt) yyerror(&loc, context, txt) |
25 |
|
|
#define PARSE_WRN(loc,txt) InstrScript_warning(&loc, context, txt) |
26 |
schoenebeck |
3008 |
#define yytnamerr(res,str) InstrScript_tnamerr(res, str) |
27 |
schoenebeck |
2581 |
%} |
28 |
|
|
|
29 |
|
|
// generate reentrant safe parser |
30 |
|
|
%pure-parser |
31 |
|
|
%parse-param { LinuxSampler::ParserContext* context } |
32 |
|
|
%lex-param { void* scanner } |
33 |
|
|
// avoid symbol collision with other (i.e. future) auto generated (f)lex scanners |
34 |
schoenebeck |
3052 |
// (NOTE: "=" is deprecated here with Bison 3.x, however removing it would cause an error with Bison 2.x) |
35 |
|
|
%name-prefix="InstrScript_" |
36 |
schoenebeck |
2581 |
%locations |
37 |
|
|
%defines |
38 |
|
|
%error-verbose |
39 |
|
|
|
40 |
schoenebeck |
3008 |
%token <iValue> INTEGER "integer literal" |
41 |
|
|
%token <sValue> STRING "string literal" |
42 |
|
|
%token <sValue> IDENTIFIER "function name" |
43 |
|
|
%token <sValue> VARIABLE "variable name" |
44 |
|
|
%token ON "keyword 'on'" |
45 |
|
|
%token END "keyword 'end'" |
46 |
|
|
%token INIT "keyword 'init'" |
47 |
|
|
%token NOTE "keyword 'note'" |
48 |
|
|
%token RELEASE "keyword 'release'" |
49 |
|
|
%token CONTROLLER "keyword 'controller'" |
50 |
|
|
%token DECLARE "keyword 'declare'" |
51 |
|
|
%token ASSIGNMENT "operator ':='" |
52 |
|
|
%token CONST_ "keyword 'const'" |
53 |
|
|
%token POLYPHONIC "keyword 'polyphonic'" |
54 |
|
|
%token WHILE "keyword 'while'" |
55 |
|
|
%token IF "keyword 'if'" |
56 |
|
|
%token ELSE "keyword 'else'" |
57 |
|
|
%token SELECT "keyword 'select'" |
58 |
|
|
%token CASE "keyword 'case'" |
59 |
|
|
%token TO "keyword 'to'" |
60 |
|
|
%token OR "operator 'or'" |
61 |
|
|
%token AND "operator 'and'" |
62 |
|
|
%token NOT "operator 'not'" |
63 |
|
|
%token BITWISE_OR "bitwise operator '.or.'" |
64 |
|
|
%token BITWISE_AND "bitwise operator '.and.'" |
65 |
|
|
%token BITWISE_NOT "bitwise operator '.not.'" |
66 |
|
|
%token FUNCTION "keyword 'function'" |
67 |
|
|
%token CALL "keyword 'call'" |
68 |
|
|
%token MOD "operator 'mod'" |
69 |
|
|
%token LE "operator '<='" |
70 |
|
|
%token GE "operator '>='" |
71 |
|
|
%token END_OF_FILE 0 "end of file" |
72 |
schoenebeck |
3259 |
%token UNKNOWN_CHAR "unknown character" |
73 |
schoenebeck |
2581 |
|
74 |
schoenebeck |
2951 |
%type <nEventHandlers> script sections |
75 |
|
|
%type <nEventHandler> section eventhandler |
76 |
|
|
%type <nStatements> statements opt_statements userfunctioncall |
77 |
schoenebeck |
2581 |
%type <nStatement> statement assignment |
78 |
|
|
%type <nFunctionCall> functioncall |
79 |
|
|
%type <nArgs> args |
80 |
schoenebeck |
2935 |
%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 |
81 |
schoenebeck |
2581 |
%type <nCaseBranch> caseclause |
82 |
|
|
%type <nCaseBranches> caseclauses |
83 |
|
|
|
84 |
|
|
%start script |
85 |
|
|
|
86 |
|
|
%% |
87 |
|
|
|
88 |
|
|
script: |
89 |
schoenebeck |
2951 |
sections { |
90 |
schoenebeck |
2581 |
$$ = context->handlers = $1; |
91 |
|
|
} |
92 |
|
|
|
93 |
schoenebeck |
2951 |
sections: |
94 |
|
|
section { |
95 |
schoenebeck |
2581 |
$$ = new EventHandlers(); |
96 |
schoenebeck |
2951 |
if ($1) $$->add($1); |
97 |
schoenebeck |
2581 |
} |
98 |
schoenebeck |
2951 |
| sections section { |
99 |
schoenebeck |
2581 |
$$ = $1; |
100 |
schoenebeck |
2951 |
if ($2) $$->add($2); |
101 |
schoenebeck |
2581 |
} |
102 |
|
|
|
103 |
schoenebeck |
2951 |
section: |
104 |
|
|
function_declaration { |
105 |
|
|
$$ = EventHandlerRef(); |
106 |
|
|
} |
107 |
|
|
| eventhandler { |
108 |
|
|
$$ = $1; |
109 |
|
|
} |
110 |
|
|
|
111 |
schoenebeck |
2581 |
eventhandler: |
112 |
schoenebeck |
2947 |
ON NOTE opt_statements END ON { |
113 |
schoenebeck |
2581 |
if (context->onNote) |
114 |
schoenebeck |
2888 |
PARSE_ERR(@2, "Redeclaration of 'note' event handler."); |
115 |
schoenebeck |
2581 |
context->onNote = new OnNote($3); |
116 |
|
|
$$ = context->onNote; |
117 |
|
|
} |
118 |
schoenebeck |
2947 |
| ON INIT opt_statements END ON { |
119 |
schoenebeck |
2581 |
if (context->onInit) |
120 |
schoenebeck |
2888 |
PARSE_ERR(@2, "Redeclaration of 'init' event handler."); |
121 |
schoenebeck |
2581 |
context->onInit = new OnInit($3); |
122 |
|
|
$$ = context->onInit; |
123 |
|
|
} |
124 |
schoenebeck |
2947 |
| ON RELEASE opt_statements END ON { |
125 |
schoenebeck |
2581 |
if (context->onRelease) |
126 |
schoenebeck |
2888 |
PARSE_ERR(@2, "Redeclaration of 'release' event handler."); |
127 |
schoenebeck |
2581 |
context->onRelease = new OnRelease($3); |
128 |
|
|
$$ = context->onRelease; |
129 |
|
|
} |
130 |
schoenebeck |
2947 |
| ON CONTROLLER opt_statements END ON { |
131 |
schoenebeck |
2581 |
if (context->onController) |
132 |
schoenebeck |
2888 |
PARSE_ERR(@2, "Redeclaration of 'controller' event handler."); |
133 |
schoenebeck |
2581 |
context->onController = new OnController($3); |
134 |
|
|
$$ = context->onController; |
135 |
|
|
} |
136 |
|
|
|
137 |
schoenebeck |
2951 |
function_declaration: |
138 |
|
|
FUNCTION IDENTIFIER opt_statements END FUNCTION { |
139 |
|
|
const char* name = $2; |
140 |
|
|
if (context->functionProvider->functionByName(name)) { |
141 |
|
|
PARSE_ERR(@2, (String("There is already a built-in function with name '") + name + "'.").c_str()); |
142 |
|
|
} else if (context->userFunctionByName(name)) { |
143 |
|
|
PARSE_ERR(@2, (String("There is already a user defined function with name '") + name + "'.").c_str()); |
144 |
|
|
} else { |
145 |
|
|
context->userFnTable[name] = $3; |
146 |
|
|
} |
147 |
|
|
} |
148 |
|
|
|
149 |
schoenebeck |
2947 |
opt_statements: |
150 |
schoenebeck |
2911 |
/* epsilon (empty argument) */ { |
151 |
|
|
$$ = new Statements(); |
152 |
|
|
} |
153 |
|
|
| statements { |
154 |
|
|
$$ = $1; |
155 |
|
|
} |
156 |
|
|
|
157 |
schoenebeck |
2581 |
statements: |
158 |
|
|
statement { |
159 |
|
|
$$ = new Statements(); |
160 |
|
|
if ($1) { |
161 |
|
|
if (!isNoOperation($1)) $$->add($1); // filter out NoOperation statements |
162 |
|
|
} else |
163 |
schoenebeck |
2888 |
PARSE_WRN(@1, "Not a statement."); |
164 |
schoenebeck |
2581 |
} |
165 |
|
|
| statements statement { |
166 |
|
|
$$ = $1; |
167 |
|
|
if ($2) { |
168 |
|
|
if (!isNoOperation($2)) $$->add($2); // filter out NoOperation statements |
169 |
|
|
} else |
170 |
schoenebeck |
2888 |
PARSE_WRN(@2, "Not a statement."); |
171 |
schoenebeck |
2581 |
} |
172 |
|
|
|
173 |
|
|
statement: |
174 |
|
|
functioncall { |
175 |
|
|
$$ = $1; |
176 |
|
|
} |
177 |
schoenebeck |
2951 |
| userfunctioncall { |
178 |
|
|
$$ = $1; |
179 |
|
|
} |
180 |
schoenebeck |
2581 |
| DECLARE VARIABLE { |
181 |
|
|
const char* name = $2; |
182 |
|
|
//printf("declared var '%s'\n", name); |
183 |
|
|
if (context->variableByName(name)) |
184 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
185 |
schoenebeck |
2581 |
if (name[0] == '@') { |
186 |
|
|
context->vartable[name] = new StringVariable(context); |
187 |
|
|
$$ = new NoOperation; |
188 |
|
|
} else { |
189 |
|
|
context->vartable[name] = new IntVariable(context); |
190 |
|
|
$$ = new NoOperation; |
191 |
|
|
} |
192 |
|
|
} |
193 |
|
|
| DECLARE POLYPHONIC VARIABLE { |
194 |
|
|
const char* name = $3; |
195 |
|
|
//printf("declared polyphonic var '%s'\n", name); |
196 |
|
|
if (context->variableByName(name)) |
197 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
198 |
schoenebeck |
2581 |
if (name[0] != '$') { |
199 |
schoenebeck |
2888 |
PARSE_ERR(@3, "Polyphonic variables may only be declared as integers."); |
200 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
201 |
|
|
} else { |
202 |
|
|
context->vartable[name] = new PolyphonicIntVariable(context); |
203 |
|
|
$$ = new NoOperation; |
204 |
|
|
} |
205 |
|
|
} |
206 |
|
|
| DECLARE VARIABLE ASSIGNMENT expr { |
207 |
|
|
const char* name = $2; |
208 |
|
|
//printf("declared assign var '%s'\n", name); |
209 |
|
|
if (context->variableByName(name)) |
210 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
211 |
schoenebeck |
2581 |
if ($4->exprType() == STRING_EXPR) { |
212 |
|
|
if (name[0] == '$') |
213 |
schoenebeck |
2888 |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as integer, string expression assigned though.").c_str()); |
214 |
schoenebeck |
2581 |
StringExprRef expr = $4; |
215 |
|
|
if (expr->isConstExpr()) { |
216 |
|
|
const String s = expr->evalStr(); |
217 |
|
|
StringVariableRef var = new StringVariable(context); |
218 |
|
|
context->vartable[name] = var; |
219 |
|
|
$$ = new Assignment(var, new StringLiteral(s)); |
220 |
|
|
} else { |
221 |
|
|
StringVariableRef var = new StringVariable(context); |
222 |
|
|
context->vartable[name] = var; |
223 |
|
|
$$ = new Assignment(var, expr); |
224 |
|
|
} |
225 |
|
|
} else { |
226 |
|
|
if (name[0] == '@') |
227 |
schoenebeck |
2888 |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as string, integer expression assigned though.").c_str()); |
228 |
schoenebeck |
2581 |
IntExprRef expr = $4; |
229 |
|
|
if (expr->isConstExpr()) { |
230 |
|
|
const int i = expr->evalInt(); |
231 |
|
|
IntVariableRef var = new IntVariable(context); |
232 |
|
|
context->vartable[name] = var; |
233 |
|
|
$$ = new Assignment(var, new IntLiteral(i)); |
234 |
|
|
} else { |
235 |
|
|
IntVariableRef var = new IntVariable(context); |
236 |
|
|
context->vartable[name] = var; |
237 |
|
|
$$ = new Assignment(var, expr); |
238 |
|
|
} |
239 |
|
|
} |
240 |
|
|
} |
241 |
|
|
| DECLARE VARIABLE '[' expr ']' { |
242 |
|
|
//printf("declare array without args\n"); |
243 |
|
|
const char* name = $2; |
244 |
|
|
if (!$4->isConstExpr()) { |
245 |
schoenebeck |
2888 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
246 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
247 |
|
|
} else if ($4->exprType() != INT_EXPR) { |
248 |
schoenebeck |
2888 |
PARSE_ERR(@4, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
249 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
250 |
|
|
} else if (context->variableByName(name)) { |
251 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
252 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
253 |
|
|
} else { |
254 |
|
|
IntExprRef expr = $4; |
255 |
|
|
int size = expr->evalInt(); |
256 |
|
|
if (size <= 0) { |
257 |
schoenebeck |
2888 |
PARSE_ERR(@4, (String("Array variable '") + name + "' declared with array size " + ToString(size) + ".").c_str()); |
258 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
259 |
|
|
} else { |
260 |
|
|
context->vartable[name] = new IntArrayVariable(context, size); |
261 |
|
|
$$ = new NoOperation; |
262 |
|
|
} |
263 |
|
|
} |
264 |
|
|
} |
265 |
|
|
| DECLARE VARIABLE '[' expr ']' ASSIGNMENT '(' args ')' { |
266 |
|
|
const char* name = $2; |
267 |
|
|
if (!$4->isConstExpr()) { |
268 |
schoenebeck |
2888 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
269 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
270 |
|
|
} else if ($4->exprType() != INT_EXPR) { |
271 |
schoenebeck |
2888 |
PARSE_ERR(@4, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
272 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
273 |
|
|
} else if (context->variableByName(name)) { |
274 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
275 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
276 |
|
|
} else { |
277 |
|
|
IntExprRef sizeExpr = $4; |
278 |
|
|
ArgsRef args = $8; |
279 |
|
|
int size = sizeExpr->evalInt(); |
280 |
|
|
if (size <= 0) { |
281 |
schoenebeck |
2888 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
282 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
283 |
|
|
} else if (args->argsCount() > size) { |
284 |
schoenebeck |
3257 |
PARSE_ERR(@8, (String("Array variable '") + name + |
285 |
schoenebeck |
2581 |
"' was declared with size " + ToString(size) + |
286 |
|
|
" but " + ToString(args->argsCount()) + |
287 |
|
|
" values were assigned." ).c_str()); |
288 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
289 |
|
|
} else { |
290 |
|
|
bool argsOK = true; |
291 |
|
|
for (int i = 0; i < args->argsCount(); ++i) { |
292 |
|
|
if (args->arg(i)->exprType() != INT_EXPR) { |
293 |
|
|
PARSE_ERR( |
294 |
schoenebeck |
2888 |
@8, |
295 |
schoenebeck |
2581 |
(String("Array variable '") + name + |
296 |
|
|
"' declared with invalid assignment values. Assigned element " + |
297 |
|
|
ToString(i+1) + " is not an integer expression.").c_str() |
298 |
|
|
); |
299 |
|
|
argsOK = false; |
300 |
|
|
break; |
301 |
|
|
} |
302 |
|
|
} |
303 |
schoenebeck |
3013 |
if (argsOK) { |
304 |
|
|
context->vartable[name] = new IntArrayVariable(context, size, args); |
305 |
|
|
$$ = new NoOperation; |
306 |
|
|
} else |
307 |
schoenebeck |
2581 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
308 |
|
|
} |
309 |
|
|
} |
310 |
|
|
} |
311 |
schoenebeck |
3257 |
| DECLARE CONST_ VARIABLE '[' expr ']' ASSIGNMENT '(' args ')' { |
312 |
|
|
const char* name = $3; |
313 |
|
|
if (!$5->isConstExpr()) { |
314 |
|
|
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
315 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
316 |
|
|
} else if ($5->exprType() != INT_EXPR) { |
317 |
|
|
PARSE_ERR(@5, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
318 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
319 |
|
|
} else if (context->variableByName(name)) { |
320 |
|
|
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
321 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
322 |
|
|
} else { |
323 |
|
|
IntExprRef sizeExpr = $5; |
324 |
|
|
ArgsRef args = $9; |
325 |
|
|
int size = sizeExpr->evalInt(); |
326 |
|
|
if (size <= 0) { |
327 |
|
|
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
328 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
329 |
|
|
} else if (args->argsCount() > size) { |
330 |
|
|
PARSE_ERR(@9, (String("Array variable '") + name + |
331 |
|
|
"' was declared with size " + ToString(size) + |
332 |
|
|
" but " + ToString(args->argsCount()) + |
333 |
|
|
" values were assigned." ).c_str()); |
334 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
335 |
|
|
} else { |
336 |
|
|
bool argsOK = true; |
337 |
|
|
for (int i = 0; i < args->argsCount(); ++i) { |
338 |
|
|
if (args->arg(i)->exprType() != INT_EXPR) { |
339 |
|
|
PARSE_ERR( |
340 |
|
|
@9, |
341 |
|
|
(String("Array variable '") + name + |
342 |
|
|
"' declared with invalid assignment values. Assigned element " + |
343 |
|
|
ToString(i+1) + " is not an integer expression.").c_str() |
344 |
|
|
); |
345 |
|
|
argsOK = false; |
346 |
|
|
break; |
347 |
|
|
} |
348 |
|
|
if (!args->arg(i)->isConstExpr()) { |
349 |
|
|
PARSE_ERR( |
350 |
|
|
@9, |
351 |
|
|
(String("const array variable '") + name + |
352 |
|
|
"' must be defined with const values. Assigned element " + |
353 |
|
|
ToString(i+1) + " is not a const expression though.").c_str() |
354 |
|
|
); |
355 |
|
|
argsOK = false; |
356 |
|
|
break; |
357 |
|
|
} |
358 |
|
|
} |
359 |
|
|
if (argsOK) { |
360 |
|
|
context->vartable[name] = new IntArrayVariable(context, size, args, true); |
361 |
|
|
$$ = new NoOperation; |
362 |
|
|
} else |
363 |
|
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
364 |
|
|
} |
365 |
|
|
} |
366 |
|
|
} |
367 |
schoenebeck |
2585 |
| DECLARE CONST_ VARIABLE ASSIGNMENT expr { |
368 |
schoenebeck |
2581 |
const char* name = $3; |
369 |
|
|
if ($5->exprType() == STRING_EXPR) { |
370 |
|
|
if (name[0] == '$') |
371 |
schoenebeck |
2888 |
PARSE_WRN(@5, "Variable declared as integer, string expression assigned though."); |
372 |
schoenebeck |
2581 |
String s; |
373 |
|
|
StringExprRef expr = $5; |
374 |
|
|
if (expr->isConstExpr()) |
375 |
|
|
s = expr->evalStr(); |
376 |
|
|
else |
377 |
schoenebeck |
2888 |
PARSE_ERR(@5, (String("Assignment to const string variable '") + name + "' requires const expression.").c_str()); |
378 |
schoenebeck |
2581 |
ConstStringVariableRef var = new ConstStringVariable(context, s); |
379 |
|
|
context->vartable[name] = var; |
380 |
|
|
//$$ = new Assignment(var, new StringLiteral(s)); |
381 |
|
|
$$ = new NoOperation(); |
382 |
|
|
} else { |
383 |
|
|
if (name[0] == '@') |
384 |
schoenebeck |
2888 |
PARSE_WRN(@5, "Variable declared as string, integer expression assigned though."); |
385 |
schoenebeck |
2581 |
int i = 0; |
386 |
|
|
IntExprRef expr = $5; |
387 |
|
|
if (expr->isConstExpr()) |
388 |
|
|
i = expr->evalInt(); |
389 |
|
|
else |
390 |
schoenebeck |
2888 |
PARSE_ERR(@5, (String("Assignment to const integer variable '") + name + "' requires const expression.").c_str()); |
391 |
schoenebeck |
2581 |
ConstIntVariableRef var = new ConstIntVariable(i); |
392 |
|
|
context->vartable[name] = var; |
393 |
|
|
//$$ = new Assignment(var, new IntLiteral(i)); |
394 |
|
|
$$ = new NoOperation(); |
395 |
|
|
} |
396 |
|
|
} |
397 |
|
|
| assignment { |
398 |
|
|
$$ = $1; |
399 |
|
|
} |
400 |
schoenebeck |
2947 |
| WHILE '(' expr ')' opt_statements END WHILE { |
401 |
schoenebeck |
2581 |
if ($3->exprType() == INT_EXPR) { |
402 |
|
|
$$ = new While($3, $5); |
403 |
|
|
} else { |
404 |
schoenebeck |
2888 |
PARSE_ERR(@3, "Condition for 'while' loops must be integer expression."); |
405 |
schoenebeck |
2581 |
$$ = new While(new IntLiteral(0), $5); |
406 |
|
|
} |
407 |
|
|
} |
408 |
schoenebeck |
2947 |
| IF '(' expr ')' opt_statements ELSE opt_statements END IF { |
409 |
schoenebeck |
2581 |
$$ = new If($3, $5, $7); |
410 |
|
|
} |
411 |
schoenebeck |
2947 |
| IF '(' expr ')' opt_statements END IF { |
412 |
schoenebeck |
2581 |
$$ = new If($3, $5); |
413 |
|
|
} |
414 |
|
|
| SELECT expr caseclauses END SELECT { |
415 |
|
|
if ($2->exprType() == INT_EXPR) { |
416 |
|
|
$$ = new SelectCase($2, $3); |
417 |
|
|
} else { |
418 |
schoenebeck |
2888 |
PARSE_ERR(@2, "Statement 'select' can only by applied to integer expressions."); |
419 |
schoenebeck |
2581 |
$$ = new SelectCase(new IntLiteral(0), $3); |
420 |
|
|
} |
421 |
|
|
} |
422 |
|
|
|
423 |
|
|
caseclauses: |
424 |
|
|
caseclause { |
425 |
|
|
$$ = CaseBranches(); |
426 |
|
|
$$.push_back($1); |
427 |
|
|
} |
428 |
|
|
| caseclauses caseclause { |
429 |
|
|
$$ = $1; |
430 |
|
|
$$.push_back($2); |
431 |
|
|
} |
432 |
|
|
|
433 |
|
|
caseclause: |
434 |
schoenebeck |
2947 |
CASE INTEGER opt_statements { |
435 |
schoenebeck |
2581 |
$$ = CaseBranch(); |
436 |
|
|
$$.from = new IntLiteral($2); |
437 |
|
|
$$.statements = $3; |
438 |
|
|
} |
439 |
schoenebeck |
2947 |
| CASE INTEGER TO INTEGER opt_statements { |
440 |
schoenebeck |
2581 |
$$ = CaseBranch(); |
441 |
|
|
$$.from = new IntLiteral($2); |
442 |
|
|
$$.to = new IntLiteral($4); |
443 |
|
|
$$.statements = $5; |
444 |
|
|
} |
445 |
|
|
|
446 |
schoenebeck |
2951 |
userfunctioncall: |
447 |
|
|
CALL IDENTIFIER { |
448 |
|
|
const char* name = $2; |
449 |
|
|
StatementsRef fn = context->userFunctionByName(name); |
450 |
|
|
if (context->functionProvider->functionByName(name)) { |
451 |
|
|
PARSE_ERR(@1, (String("Keyword 'call' must only be used for user defined functions, not for any built-in function like '") + name + "'.").c_str()); |
452 |
|
|
$$ = StatementsRef(); |
453 |
|
|
} else if (!fn) { |
454 |
|
|
PARSE_ERR(@2, (String("No user defined function with name '") + name + "'.").c_str()); |
455 |
|
|
$$ = StatementsRef(); |
456 |
|
|
} else { |
457 |
|
|
$$ = fn; |
458 |
|
|
} |
459 |
|
|
} |
460 |
|
|
|
461 |
schoenebeck |
2581 |
functioncall: |
462 |
|
|
IDENTIFIER '(' args ')' { |
463 |
|
|
const char* name = $1; |
464 |
|
|
//printf("function call of '%s' with args\n", name); |
465 |
|
|
ArgsRef args = $3; |
466 |
|
|
VMFunction* fn = context->functionProvider->functionByName(name); |
467 |
schoenebeck |
2951 |
if (context->userFunctionByName(name)) { |
468 |
|
|
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
469 |
|
|
$$ = new FunctionCall(name, args, NULL); |
470 |
|
|
} else if (!fn) { |
471 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
472 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
473 |
|
|
} else if (args->argsCount() < fn->minRequiredArgs()) { |
474 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
475 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
476 |
|
|
} else if (args->argsCount() > fn->maxAllowedArgs()) { |
477 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' accepts max. " + ToString(fn->maxAllowedArgs()) + " arguments.").c_str()); |
478 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
479 |
|
|
} else { |
480 |
|
|
bool argsOK = true; |
481 |
|
|
for (int i = 0; i < args->argsCount(); ++i) { |
482 |
|
|
if (args->arg(i)->exprType() != fn->argType(i) && !fn->acceptsArgType(i, args->arg(i)->exprType())) { |
483 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects " + typeStr(fn->argType(i)) + " type, but type " + typeStr(args->arg(i)->exprType()) + " was given instead.").c_str()); |
484 |
schoenebeck |
2581 |
argsOK = false; |
485 |
|
|
break; |
486 |
schoenebeck |
2945 |
} else if (fn->modifiesArg(i) && !args->arg(i)->isModifyable()) { |
487 |
|
|
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects an assignable variable.").c_str()); |
488 |
|
|
argsOK = false; |
489 |
|
|
break; |
490 |
schoenebeck |
2581 |
} |
491 |
|
|
} |
492 |
|
|
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
493 |
|
|
} |
494 |
|
|
} |
495 |
|
|
| IDENTIFIER '(' ')' { |
496 |
|
|
const char* name = $1; |
497 |
|
|
//printf("function call of '%s' (with empty args)\n", name); |
498 |
|
|
ArgsRef args = new Args; |
499 |
|
|
VMFunction* fn = context->functionProvider->functionByName(name); |
500 |
schoenebeck |
2951 |
if (context->userFunctionByName(name)) { |
501 |
|
|
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
502 |
|
|
$$ = new FunctionCall(name, args, NULL); |
503 |
|
|
} else if (!fn) { |
504 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
505 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
506 |
|
|
} else if (fn->minRequiredArgs() > 0) { |
507 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
508 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
509 |
|
|
} else { |
510 |
|
|
$$ = new FunctionCall(name, args, fn); |
511 |
|
|
} |
512 |
|
|
} |
513 |
|
|
| IDENTIFIER { |
514 |
|
|
const char* name = $1; |
515 |
|
|
//printf("function call of '%s' (without args)\n", name); |
516 |
|
|
ArgsRef args = new Args; |
517 |
|
|
VMFunction* fn = context->functionProvider->functionByName(name); |
518 |
schoenebeck |
2951 |
if (context->userFunctionByName(name)) { |
519 |
|
|
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
520 |
|
|
$$ = new FunctionCall(name, args, NULL); |
521 |
|
|
} else if (!fn) { |
522 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
523 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
524 |
|
|
} else if (fn->minRequiredArgs() > 0) { |
525 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
526 |
schoenebeck |
2581 |
$$ = new FunctionCall(name, args, NULL); |
527 |
|
|
} else { |
528 |
|
|
$$ = new FunctionCall(name, args, fn); |
529 |
|
|
} |
530 |
|
|
} |
531 |
|
|
|
532 |
|
|
args: |
533 |
|
|
arg { |
534 |
|
|
$$ = new Args(); |
535 |
|
|
$$->add($1); |
536 |
|
|
} |
537 |
|
|
| args ',' arg { |
538 |
|
|
$$ = $1; |
539 |
|
|
$$->add($3); |
540 |
|
|
} |
541 |
|
|
|
542 |
|
|
arg: |
543 |
|
|
expr |
544 |
|
|
|
545 |
|
|
assignment: |
546 |
|
|
VARIABLE ASSIGNMENT expr { |
547 |
|
|
//printf("variable lookup with name '%s' as assignment expr\n", $1); |
548 |
|
|
const char* name = $1; |
549 |
|
|
VariableRef var = context->variableByName(name); |
550 |
|
|
if (!var) |
551 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
552 |
schoenebeck |
2581 |
else if (var->isConstExpr()) |
553 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
554 |
schoenebeck |
2942 |
else if (!var->isAssignable()) |
555 |
|
|
PARSE_ERR(@2, (String("Variable assignment: Variable '") + name + "' is not assignable.").c_str()); |
556 |
schoenebeck |
2581 |
else if (var->exprType() != $3->exprType()) |
557 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
558 |
schoenebeck |
2581 |
$$ = new Assignment(var, $3); |
559 |
|
|
} |
560 |
|
|
| VARIABLE '[' expr ']' ASSIGNMENT expr { |
561 |
|
|
const char* name = $1; |
562 |
|
|
VariableRef var = context->variableByName(name); |
563 |
|
|
if (!var) |
564 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
565 |
schoenebeck |
2581 |
else if (var->exprType() != INT_ARR_EXPR) |
566 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
567 |
schoenebeck |
3253 |
else if (var->isConstExpr()) |
568 |
|
|
PARSE_ERR(@5, (String("Variable assignment: Cannot modify const array variable '") + name + "'.").c_str()); |
569 |
|
|
else if (!var->isAssignable()) |
570 |
|
|
PARSE_ERR(@5, (String("Variable assignment: Array variable '") + name + "' is not assignable.").c_str()); |
571 |
schoenebeck |
2581 |
else if ($3->exprType() != INT_EXPR) |
572 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
573 |
schoenebeck |
2581 |
else if ($6->exprType() != INT_EXPR) |
574 |
schoenebeck |
2888 |
PARSE_ERR(@5, (String("Value assigned to array variable '") + name + "' must be an integer expression.").c_str()); |
575 |
schoenebeck |
3257 |
else if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((IntArrayVariableRef)var)->arraySize()) |
576 |
|
|
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
577 |
|
|
" exceeds size of array variable '" + name + |
578 |
|
|
"' which was declared with size " + |
579 |
|
|
ToString(((IntArrayVariableRef)var)->arraySize()) + ".").c_str()); |
580 |
schoenebeck |
2581 |
IntArrayElementRef element = new IntArrayElement(var, $3); |
581 |
|
|
$$ = new Assignment(element, $6); |
582 |
|
|
} |
583 |
|
|
|
584 |
|
|
unary_expr: |
585 |
|
|
INTEGER { |
586 |
|
|
$$ = new IntLiteral($1); |
587 |
|
|
} |
588 |
|
|
| STRING { |
589 |
|
|
$$ = new StringLiteral($1); |
590 |
|
|
} |
591 |
|
|
| VARIABLE { |
592 |
|
|
//printf("variable lookup with name '%s' as unary expr\n", $1); |
593 |
|
|
VariableRef var = context->variableByName($1); |
594 |
|
|
if (var) |
595 |
|
|
$$ = var; |
596 |
|
|
else { |
597 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("No variable declared with name '") + $1 + "'.").c_str()); |
598 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
599 |
|
|
} |
600 |
|
|
} |
601 |
|
|
| VARIABLE '[' expr ']' { |
602 |
|
|
const char* name = $1; |
603 |
|
|
VariableRef var = context->variableByName(name); |
604 |
|
|
if (!var) { |
605 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
606 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
607 |
|
|
} else if (var->exprType() != INT_ARR_EXPR) { |
608 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
609 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
610 |
|
|
} else if ($3->exprType() != INT_EXPR) { |
611 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
612 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
613 |
|
|
} else { |
614 |
schoenebeck |
3257 |
if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((IntArrayVariableRef)var)->arraySize()) |
615 |
|
|
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
616 |
|
|
" exceeds size of array variable '" + name + |
617 |
|
|
"' which was declared with size " + |
618 |
|
|
ToString(((IntArrayVariableRef)var)->arraySize()) + ".").c_str()); |
619 |
schoenebeck |
2581 |
$$ = new IntArrayElement(var, $3); |
620 |
|
|
} |
621 |
|
|
} |
622 |
|
|
| '(' expr ')' { |
623 |
|
|
$$ = $2; |
624 |
|
|
} |
625 |
|
|
| functioncall { |
626 |
|
|
$$ = $1; |
627 |
|
|
} |
628 |
|
|
| '-' unary_expr { |
629 |
|
|
$$ = new Neg($2); |
630 |
|
|
} |
631 |
schoenebeck |
2935 |
| BITWISE_NOT unary_expr { |
632 |
|
|
if ($2->exprType() != INT_EXPR) { |
633 |
|
|
PARSE_ERR(@2, (String("Right operand of bitwise operator '.not.' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
634 |
|
|
$$ = new IntLiteral(0); |
635 |
|
|
} else { |
636 |
|
|
$$ = new BitwiseNot($2); |
637 |
|
|
} |
638 |
|
|
} |
639 |
schoenebeck |
2581 |
| NOT unary_expr { |
640 |
|
|
if ($2->exprType() != INT_EXPR) { |
641 |
schoenebeck |
2888 |
PARSE_ERR(@2, (String("Right operand of operator 'not' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
642 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
643 |
|
|
} else { |
644 |
|
|
$$ = new Not($2); |
645 |
|
|
} |
646 |
|
|
} |
647 |
|
|
|
648 |
|
|
expr: |
649 |
|
|
concat_expr |
650 |
|
|
|
651 |
|
|
concat_expr: |
652 |
schoenebeck |
2935 |
logical_or_expr |
653 |
|
|
| concat_expr '&' logical_or_expr { |
654 |
schoenebeck |
2581 |
ExpressionRef lhs = $1; |
655 |
|
|
ExpressionRef rhs = $3; |
656 |
|
|
if (lhs->isConstExpr() && rhs->isConstExpr()) { |
657 |
|
|
$$ = new StringLiteral( |
658 |
|
|
lhs->evalCastToStr() + rhs->evalCastToStr() |
659 |
|
|
); |
660 |
|
|
} else { |
661 |
|
|
$$ = new ConcatString(lhs, rhs); |
662 |
|
|
} |
663 |
|
|
} |
664 |
|
|
|
665 |
schoenebeck |
2935 |
logical_or_expr: |
666 |
|
|
logical_and_expr |
667 |
|
|
| logical_or_expr OR logical_and_expr { |
668 |
schoenebeck |
2581 |
ExpressionRef lhs = $1; |
669 |
|
|
ExpressionRef rhs = $3; |
670 |
|
|
if (lhs->exprType() != INT_EXPR) { |
671 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator 'or' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
672 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
673 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
674 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator 'or' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
675 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
676 |
|
|
} else { |
677 |
|
|
$$ = new Or(lhs, rhs); |
678 |
|
|
} |
679 |
|
|
} |
680 |
|
|
|
681 |
schoenebeck |
2935 |
logical_and_expr: |
682 |
|
|
bitwise_or_expr { |
683 |
schoenebeck |
2581 |
$$ = $1; |
684 |
|
|
} |
685 |
schoenebeck |
2935 |
| logical_and_expr AND bitwise_or_expr { |
686 |
schoenebeck |
2581 |
ExpressionRef lhs = $1; |
687 |
|
|
ExpressionRef rhs = $3; |
688 |
|
|
if (lhs->exprType() != INT_EXPR) { |
689 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator 'and' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
690 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
691 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
692 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator 'and' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
693 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
694 |
|
|
} else { |
695 |
|
|
$$ = new And(lhs, rhs); |
696 |
|
|
} |
697 |
|
|
} |
698 |
|
|
|
699 |
schoenebeck |
2935 |
bitwise_or_expr: |
700 |
|
|
bitwise_and_expr |
701 |
|
|
| bitwise_or_expr BITWISE_OR bitwise_and_expr { |
702 |
|
|
ExpressionRef lhs = $1; |
703 |
|
|
ExpressionRef rhs = $3; |
704 |
|
|
if (lhs->exprType() != INT_EXPR) { |
705 |
|
|
PARSE_ERR(@1, (String("Left operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
706 |
|
|
$$ = new IntLiteral(0); |
707 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
708 |
|
|
PARSE_ERR(@3, (String("Right operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
709 |
|
|
$$ = new IntLiteral(0); |
710 |
|
|
} else { |
711 |
|
|
$$ = new BitwiseOr(lhs, rhs); |
712 |
|
|
} |
713 |
|
|
} |
714 |
|
|
|
715 |
|
|
bitwise_and_expr: |
716 |
|
|
rel_expr { |
717 |
|
|
$$ = $1; |
718 |
|
|
} |
719 |
|
|
| bitwise_and_expr BITWISE_AND rel_expr { |
720 |
|
|
ExpressionRef lhs = $1; |
721 |
|
|
ExpressionRef rhs = $3; |
722 |
|
|
if (lhs->exprType() != INT_EXPR) { |
723 |
|
|
PARSE_ERR(@1, (String("Left operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
724 |
|
|
$$ = new IntLiteral(0); |
725 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
726 |
|
|
PARSE_ERR(@3, (String("Right operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
727 |
|
|
$$ = new IntLiteral(0); |
728 |
|
|
} else { |
729 |
|
|
$$ = new BitwiseAnd(lhs, rhs); |
730 |
|
|
} |
731 |
|
|
} |
732 |
|
|
|
733 |
schoenebeck |
2581 |
rel_expr: |
734 |
|
|
add_expr |
735 |
|
|
| rel_expr '<' add_expr { |
736 |
|
|
ExpressionRef lhs = $1; |
737 |
|
|
ExpressionRef rhs = $3; |
738 |
|
|
if (lhs->exprType() != INT_EXPR) { |
739 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '<' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
740 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
741 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
742 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '<' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
743 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
744 |
|
|
} else { |
745 |
|
|
$$ = new Relation(lhs, Relation::LESS_THAN, rhs); |
746 |
|
|
} |
747 |
|
|
} |
748 |
|
|
| rel_expr '>' add_expr { |
749 |
|
|
ExpressionRef lhs = $1; |
750 |
|
|
ExpressionRef rhs = $3; |
751 |
|
|
if (lhs->exprType() != INT_EXPR) { |
752 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '>' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
753 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
754 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
755 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '>' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
756 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
757 |
|
|
} else { |
758 |
|
|
$$ = new Relation(lhs, Relation::GREATER_THAN, rhs); |
759 |
|
|
} |
760 |
|
|
} |
761 |
|
|
| rel_expr LE add_expr { |
762 |
|
|
ExpressionRef lhs = $1; |
763 |
|
|
ExpressionRef rhs = $3; |
764 |
|
|
if (lhs->exprType() != INT_EXPR) { |
765 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '<=' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
766 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
767 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
768 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '<=' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
769 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
770 |
|
|
} else { |
771 |
|
|
$$ = new Relation(lhs, Relation::LESS_OR_EQUAL, rhs); |
772 |
|
|
} |
773 |
|
|
} |
774 |
|
|
| rel_expr GE add_expr { |
775 |
|
|
ExpressionRef lhs = $1; |
776 |
|
|
ExpressionRef rhs = $3; |
777 |
|
|
if (lhs->exprType() != INT_EXPR) { |
778 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '>=' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
779 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
780 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
781 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '>=' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
782 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
783 |
|
|
} else { |
784 |
|
|
$$ = new Relation(lhs, Relation::GREATER_OR_EQUAL, rhs); |
785 |
|
|
} |
786 |
|
|
} |
787 |
|
|
| rel_expr '=' add_expr { |
788 |
|
|
$$ = new Relation($1, Relation::EQUAL, $3); |
789 |
|
|
} |
790 |
|
|
| rel_expr '#' add_expr { |
791 |
|
|
$$ = new Relation($1, Relation::NOT_EQUAL, $3); |
792 |
|
|
} |
793 |
|
|
|
794 |
|
|
add_expr: |
795 |
|
|
mul_expr |
796 |
|
|
| add_expr '+' mul_expr { |
797 |
|
|
ExpressionRef lhs = $1; |
798 |
|
|
ExpressionRef rhs = $3; |
799 |
|
|
if (lhs->exprType() != INT_EXPR) { |
800 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '+' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
801 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
802 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
803 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '+' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
804 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
805 |
|
|
} else { |
806 |
|
|
$$ = new Add(lhs,rhs); |
807 |
|
|
} |
808 |
|
|
} |
809 |
|
|
| add_expr '-' mul_expr { |
810 |
|
|
ExpressionRef lhs = $1; |
811 |
|
|
ExpressionRef rhs = $3; |
812 |
|
|
if (lhs->exprType() != INT_EXPR) { |
813 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '-' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
814 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
815 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
816 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '-' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
817 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
818 |
|
|
} else { |
819 |
|
|
$$ = new Sub(lhs,rhs); |
820 |
|
|
} |
821 |
|
|
} |
822 |
|
|
|
823 |
|
|
mul_expr: |
824 |
|
|
unary_expr |
825 |
|
|
| mul_expr '*' unary_expr { |
826 |
|
|
ExpressionRef lhs = $1; |
827 |
|
|
ExpressionRef rhs = $3; |
828 |
|
|
if (lhs->exprType() != INT_EXPR) { |
829 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '*' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
830 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
831 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
832 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '*' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
833 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
834 |
|
|
} else { |
835 |
|
|
$$ = new Mul(lhs,rhs); |
836 |
|
|
} |
837 |
|
|
} |
838 |
|
|
| mul_expr '/' unary_expr { |
839 |
|
|
ExpressionRef lhs = $1; |
840 |
|
|
ExpressionRef rhs = $3; |
841 |
|
|
if (lhs->exprType() != INT_EXPR) { |
842 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of operator '/' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
843 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
844 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
845 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of operator '/' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
846 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
847 |
|
|
} else { |
848 |
|
|
$$ = new Div(lhs,rhs); |
849 |
|
|
} |
850 |
|
|
} |
851 |
|
|
| mul_expr MOD unary_expr { |
852 |
|
|
ExpressionRef lhs = $1; |
853 |
|
|
ExpressionRef rhs = $3; |
854 |
|
|
if (lhs->exprType() != INT_EXPR) { |
855 |
schoenebeck |
2888 |
PARSE_ERR(@1, (String("Left operand of modulo operator must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
856 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
857 |
|
|
} else if (rhs->exprType() != INT_EXPR) { |
858 |
schoenebeck |
2888 |
PARSE_ERR(@3, (String("Right operand of modulo operator must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
859 |
schoenebeck |
2581 |
$$ = new IntLiteral(0); |
860 |
|
|
} else { |
861 |
|
|
$$ = new Mod(lhs,rhs); |
862 |
|
|
} |
863 |
|
|
} |
864 |
|
|
|
865 |
|
|
%% |
866 |
|
|
|
867 |
|
|
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err) { |
868 |
|
|
//fprintf(stderr, "%d: %s\n", locp->first_line, err); |
869 |
schoenebeck |
2889 |
context->addErr(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, err); |
870 |
schoenebeck |
2581 |
} |
871 |
|
|
|
872 |
|
|
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt) { |
873 |
|
|
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
874 |
schoenebeck |
2889 |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, txt); |
875 |
schoenebeck |
2581 |
} |
876 |
schoenebeck |
3008 |
|
877 |
|
|
/// Custom implementation of yytnamerr() to ensure quotation is always stripped from token names before printing them to error messages. |
878 |
|
|
int InstrScript_tnamerr(char* yyres, const char* yystr) { |
879 |
|
|
if (*yystr == '"') { |
880 |
|
|
int yyn = 0; |
881 |
|
|
char const *yyp = yystr; |
882 |
|
|
for (;;) |
883 |
|
|
switch (*++yyp) |
884 |
|
|
{ |
885 |
|
|
/* |
886 |
|
|
case '\'': |
887 |
|
|
case ',': |
888 |
|
|
goto do_not_strip_quotes; |
889 |
|
|
|
890 |
|
|
case '\\': |
891 |
|
|
if (*++yyp != '\\') |
892 |
|
|
goto do_not_strip_quotes; |
893 |
|
|
*/ |
894 |
|
|
/* Fall through. */ |
895 |
|
|
default: |
896 |
|
|
if (yyres) |
897 |
|
|
yyres[yyn] = *yyp; |
898 |
|
|
yyn++; |
899 |
|
|
break; |
900 |
|
|
|
901 |
|
|
case '"': |
902 |
|
|
if (yyres) |
903 |
|
|
yyres[yyn] = '\0'; |
904 |
|
|
return yyn; |
905 |
|
|
} |
906 |
schoenebeck |
3034 |
/* |
907 |
schoenebeck |
3008 |
do_not_strip_quotes: ; |
908 |
schoenebeck |
3034 |
*/ |
909 |
schoenebeck |
3008 |
} |
910 |
|
|
|
911 |
|
|
if (! yyres) |
912 |
schoenebeck |
3054 |
return (int) yystrlen (yystr); |
913 |
schoenebeck |
3008 |
|
914 |
schoenebeck |
3054 |
return int( yystpcpy (yyres, yystr) - yyres ); |
915 |
schoenebeck |
3008 |
} |