1 |
/* |
/* |
2 |
* Copyright (c) 2014-2016 Christian Schoenebeck and Andreas Persson |
* Copyright (c) 2014-2017 Christian Schoenebeck and Andreas Persson |
3 |
* |
* |
4 |
* http://www.linuxsampler.org |
* http://www.linuxsampler.org |
5 |
* |
* |
18 |
|
|
19 |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err); |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err); |
20 |
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt); |
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); |
int InstrScript_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner); |
23 |
#define scanner context->scanner |
#define scanner context->scanner |
24 |
#define PARSE_ERR(loc,txt) yyerror(&loc, context, txt) |
#define PARSE_ERR(loc,txt) yyerror(&loc, context, txt) |
25 |
#define PARSE_WRN(loc,txt) InstrScript_warning(&loc, context, txt) |
#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 |
// generate reentrant safe parser |
32 |
%parse-param { LinuxSampler::ParserContext* context } |
%parse-param { LinuxSampler::ParserContext* context } |
33 |
%lex-param { void* scanner } |
%lex-param { void* scanner } |
34 |
// avoid symbol collision with other (i.e. future) auto generated (f)lex scanners |
// avoid symbol collision with other (i.e. future) auto generated (f)lex scanners |
35 |
%name-prefix "InstrScript_" |
// (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 |
%locations |
38 |
%defines |
%defines |
39 |
%error-verbose |
%error-verbose |
40 |
|
|
41 |
%token <iValue> INTEGER |
%token <iValue> INTEGER "integer literal" |
42 |
%token <sValue> STRING |
%token <sValue> STRING "string literal" |
43 |
%token <sValue> IDENTIFIER |
%token <sValue> IDENTIFIER "function name" |
44 |
%token <sValue> VARIABLE |
%token <sValue> VARIABLE "variable name" |
45 |
%token ON END INIT NOTE DECLARE ASSIGNMENT WHILE IF OR RELEASE AND ELSE |
%token ON "keyword 'on'" |
46 |
%token BITWISE_OR BITWISE_AND BITWISE_NOT |
%token END "keyword 'end'" |
47 |
%token CONTROLLER SELECT CASE TO NOT CONST_ POLYPHONIC MOD |
%token INIT "keyword 'init'" |
48 |
%token LE GE |
%token NOTE "keyword 'note'" |
49 |
|
%token RELEASE "keyword 'release'" |
50 |
%type <nEventHandlers> script eventhandlers |
%token CONTROLLER "keyword 'controller'" |
51 |
%type <nEventHandler> eventhandler |
%token DECLARE "keyword 'declare'" |
52 |
%type <nStatements> statements body |
%token ASSIGNMENT "operator ':='" |
53 |
|
%token CONST_ "keyword 'const'" |
54 |
|
%token POLYPHONIC "keyword 'polyphonic'" |
55 |
|
%token WHILE "keyword 'while'" |
56 |
|
%token SYNCHRONIZED "keyword 'synchronized'" |
57 |
|
%token IF "keyword 'if'" |
58 |
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%token ELSE "keyword 'else'" |
59 |
|
%token SELECT "keyword 'select'" |
60 |
|
%token CASE "keyword 'case'" |
61 |
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%token TO "keyword 'to'" |
62 |
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%token OR "operator 'or'" |
63 |
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%token AND "operator 'and'" |
64 |
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%token NOT "operator 'not'" |
65 |
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%token BITWISE_OR "bitwise operator '.or.'" |
66 |
|
%token BITWISE_AND "bitwise operator '.and.'" |
67 |
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%token BITWISE_NOT "bitwise operator '.not.'" |
68 |
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%token FUNCTION "keyword 'function'" |
69 |
|
%token CALL "keyword 'call'" |
70 |
|
%token MOD "operator 'mod'" |
71 |
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%token LE "operator '<='" |
72 |
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%token GE "operator '>='" |
73 |
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%token END_OF_FILE 0 "end of file" |
74 |
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%token UNKNOWN_CHAR "unknown character" |
75 |
|
|
76 |
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%type <nEventHandlers> script sections |
77 |
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%type <nEventHandler> section eventhandler |
78 |
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%type <nStatements> statements opt_statements userfunctioncall |
79 |
%type <nStatement> statement assignment |
%type <nStatement> statement assignment |
80 |
%type <nFunctionCall> functioncall |
%type <nFunctionCall> functioncall |
81 |
%type <nArgs> args |
%type <nArgs> args |
88 |
%% |
%% |
89 |
|
|
90 |
script: |
script: |
91 |
eventhandlers { |
sections { |
92 |
$$ = context->handlers = $1; |
$$ = context->handlers = $1; |
93 |
} |
} |
94 |
|
|
95 |
eventhandlers: |
sections: |
96 |
eventhandler { |
section { |
97 |
$$ = new EventHandlers(); |
$$ = new EventHandlers(); |
98 |
$$->add($1); |
if ($1) $$->add($1); |
99 |
|
} |
100 |
|
| sections section { |
101 |
|
$$ = $1; |
102 |
|
if ($2) $$->add($2); |
103 |
|
} |
104 |
|
|
105 |
|
section: |
106 |
|
function_declaration { |
107 |
|
$$ = EventHandlerRef(); |
108 |
} |
} |
109 |
| eventhandlers eventhandler { |
| eventhandler { |
110 |
$$ = $1; |
$$ = $1; |
|
$$->add($2); |
|
111 |
} |
} |
112 |
|
|
113 |
eventhandler: |
eventhandler: |
114 |
ON NOTE body END ON { |
ON NOTE opt_statements END ON { |
115 |
if (context->onNote) |
if (context->onNote) |
116 |
PARSE_ERR(@2, "Redeclaration of 'note' event handler."); |
PARSE_ERR(@2, "Redeclaration of 'note' event handler."); |
117 |
context->onNote = new OnNote($3); |
context->onNote = new OnNote($3); |
118 |
$$ = context->onNote; |
$$ = context->onNote; |
119 |
} |
} |
120 |
| ON INIT body END ON { |
| ON INIT opt_statements END ON { |
121 |
if (context->onInit) |
if (context->onInit) |
122 |
PARSE_ERR(@2, "Redeclaration of 'init' event handler."); |
PARSE_ERR(@2, "Redeclaration of 'init' event handler."); |
123 |
context->onInit = new OnInit($3); |
context->onInit = new OnInit($3); |
124 |
$$ = context->onInit; |
$$ = context->onInit; |
125 |
} |
} |
126 |
| ON RELEASE body END ON { |
| ON RELEASE opt_statements END ON { |
127 |
if (context->onRelease) |
if (context->onRelease) |
128 |
PARSE_ERR(@2, "Redeclaration of 'release' event handler."); |
PARSE_ERR(@2, "Redeclaration of 'release' event handler."); |
129 |
context->onRelease = new OnRelease($3); |
context->onRelease = new OnRelease($3); |
130 |
$$ = context->onRelease; |
$$ = context->onRelease; |
131 |
} |
} |
132 |
| ON CONTROLLER body END ON { |
| ON CONTROLLER opt_statements END ON { |
133 |
if (context->onController) |
if (context->onController) |
134 |
PARSE_ERR(@2, "Redeclaration of 'controller' event handler."); |
PARSE_ERR(@2, "Redeclaration of 'controller' event handler."); |
135 |
context->onController = new OnController($3); |
context->onController = new OnController($3); |
136 |
$$ = context->onController; |
$$ = context->onController; |
137 |
} |
} |
138 |
|
|
139 |
body: |
function_declaration: |
140 |
|
FUNCTION IDENTIFIER opt_statements END FUNCTION { |
141 |
|
const char* name = $2; |
142 |
|
if (context->functionProvider->functionByName(name)) { |
143 |
|
PARSE_ERR(@2, (String("There is already a built-in function with name '") + name + "'.").c_str()); |
144 |
|
} else if (context->userFunctionByName(name)) { |
145 |
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PARSE_ERR(@2, (String("There is already a user defined function with name '") + name + "'.").c_str()); |
146 |
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} else { |
147 |
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context->userFnTable[name] = $3; |
148 |
|
} |
149 |
|
} |
150 |
|
|
151 |
|
opt_statements: |
152 |
/* epsilon (empty argument) */ { |
/* epsilon (empty argument) */ { |
153 |
$$ = new Statements(); |
$$ = new Statements(); |
154 |
} |
} |
176 |
functioncall { |
functioncall { |
177 |
$$ = $1; |
$$ = $1; |
178 |
} |
} |
179 |
|
| userfunctioncall { |
180 |
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$$ = $1; |
181 |
|
} |
182 |
| DECLARE VARIABLE { |
| DECLARE VARIABLE { |
183 |
const char* name = $2; |
const char* name = $2; |
184 |
//printf("declared var '%s'\n", name); |
//printf("declared var '%s'\n", name); |
229 |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as string, integer expression assigned though.").c_str()); |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as string, integer expression assigned though.").c_str()); |
230 |
IntExprRef expr = $4; |
IntExprRef expr = $4; |
231 |
if (expr->isConstExpr()) { |
if (expr->isConstExpr()) { |
232 |
const int i = expr->evalInt(); |
const vmint i = expr->evalInt(); |
233 |
IntVariableRef var = new IntVariable(context); |
IntVariableRef var = new IntVariable(context); |
234 |
context->vartable[name] = var; |
context->vartable[name] = var; |
235 |
$$ = new Assignment(var, new IntLiteral(i)); |
$$ = new Assignment(var, new IntLiteral(i)); |
254 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
255 |
} else { |
} else { |
256 |
IntExprRef expr = $4; |
IntExprRef expr = $4; |
257 |
int size = expr->evalInt(); |
vmint size = expr->evalInt(); |
258 |
if (size <= 0) { |
if (size <= 0) { |
259 |
PARSE_ERR(@4, (String("Array variable '") + name + "' declared with array size " + ToString(size) + ".").c_str()); |
PARSE_ERR(@4, (String("Array variable '") + name + "' declared with array size " + ToString(size) + ".").c_str()); |
260 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
278 |
} else { |
} else { |
279 |
IntExprRef sizeExpr = $4; |
IntExprRef sizeExpr = $4; |
280 |
ArgsRef args = $8; |
ArgsRef args = $8; |
281 |
int size = sizeExpr->evalInt(); |
vmint size = sizeExpr->evalInt(); |
282 |
if (size <= 0) { |
if (size <= 0) { |
283 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
284 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
285 |
} else if (args->argsCount() > size) { |
} else if (args->argsCount() > size) { |
286 |
PARSE_ERR(@8, (String("Variable '") + name + |
PARSE_ERR(@8, (String("Array variable '") + name + |
287 |
"' was declared with size " + ToString(size) + |
"' was declared with size " + ToString(size) + |
288 |
" but " + ToString(args->argsCount()) + |
" but " + ToString(args->argsCount()) + |
289 |
" values were assigned." ).c_str()); |
" values were assigned." ).c_str()); |
290 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
291 |
} else { |
} else { |
292 |
bool argsOK = true; |
bool argsOK = true; |
293 |
for (int i = 0; i < args->argsCount(); ++i) { |
for (vmint i = 0; i < args->argsCount(); ++i) { |
294 |
if (args->arg(i)->exprType() != INT_EXPR) { |
if (args->arg(i)->exprType() != INT_EXPR) { |
295 |
PARSE_ERR( |
PARSE_ERR( |
296 |
@8, |
@8, |
302 |
break; |
break; |
303 |
} |
} |
304 |
} |
} |
305 |
if (argsOK) |
if (argsOK) { |
306 |
$$ = context->vartable[name] = new IntArrayVariable(context, size, args); |
context->vartable[name] = new IntArrayVariable(context, size, args); |
307 |
else |
$$ = new NoOperation; |
308 |
|
} else |
309 |
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
310 |
|
} |
311 |
|
} |
312 |
|
} |
313 |
|
| DECLARE CONST_ VARIABLE '[' expr ']' ASSIGNMENT '(' args ')' { |
314 |
|
const char* name = $3; |
315 |
|
if (!$5->isConstExpr()) { |
316 |
|
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
317 |
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
318 |
|
} else if ($5->exprType() != INT_EXPR) { |
319 |
|
PARSE_ERR(@5, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
320 |
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
321 |
|
} else if (context->variableByName(name)) { |
322 |
|
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
323 |
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
324 |
|
} else { |
325 |
|
IntExprRef sizeExpr = $5; |
326 |
|
ArgsRef args = $9; |
327 |
|
vmint size = sizeExpr->evalInt(); |
328 |
|
if (size <= 0) { |
329 |
|
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
330 |
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
331 |
|
} else if (args->argsCount() > size) { |
332 |
|
PARSE_ERR(@9, (String("Array variable '") + name + |
333 |
|
"' was declared with size " + ToString(size) + |
334 |
|
" but " + ToString(args->argsCount()) + |
335 |
|
" values were assigned." ).c_str()); |
336 |
|
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
337 |
|
} else { |
338 |
|
bool argsOK = true; |
339 |
|
for (vmint i = 0; i < args->argsCount(); ++i) { |
340 |
|
if (args->arg(i)->exprType() != INT_EXPR) { |
341 |
|
PARSE_ERR( |
342 |
|
@9, |
343 |
|
(String("Array variable '") + name + |
344 |
|
"' declared with invalid assignment values. Assigned element " + |
345 |
|
ToString(i+1) + " is not an integer expression.").c_str() |
346 |
|
); |
347 |
|
argsOK = false; |
348 |
|
break; |
349 |
|
} |
350 |
|
if (!args->arg(i)->isConstExpr()) { |
351 |
|
PARSE_ERR( |
352 |
|
@9, |
353 |
|
(String("const array variable '") + name + |
354 |
|
"' must be defined with const values. Assigned element " + |
355 |
|
ToString(i+1) + " is not a const expression though.").c_str() |
356 |
|
); |
357 |
|
argsOK = false; |
358 |
|
break; |
359 |
|
} |
360 |
|
} |
361 |
|
if (argsOK) { |
362 |
|
context->vartable[name] = new IntArrayVariable(context, size, args, true); |
363 |
|
$$ = new NoOperation; |
364 |
|
} else |
365 |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
$$ = new FunctionCall("nothing", new Args, NULL); // whatever |
366 |
} |
} |
367 |
} |
} |
384 |
} else { |
} else { |
385 |
if (name[0] == '@') |
if (name[0] == '@') |
386 |
PARSE_WRN(@5, "Variable declared as string, integer expression assigned though."); |
PARSE_WRN(@5, "Variable declared as string, integer expression assigned though."); |
387 |
int i = 0; |
vmint i = 0; |
388 |
IntExprRef expr = $5; |
IntExprRef expr = $5; |
389 |
if (expr->isConstExpr()) |
if (expr->isConstExpr()) |
390 |
i = expr->evalInt(); |
i = expr->evalInt(); |
399 |
| assignment { |
| assignment { |
400 |
$$ = $1; |
$$ = $1; |
401 |
} |
} |
402 |
| WHILE '(' expr ')' statements END WHILE { |
| WHILE '(' expr ')' opt_statements END WHILE { |
403 |
if ($3->exprType() == INT_EXPR) { |
if ($3->exprType() == INT_EXPR) { |
404 |
$$ = new While($3, $5); |
$$ = new While($3, $5); |
405 |
} else { |
} else { |
407 |
$$ = new While(new IntLiteral(0), $5); |
$$ = new While(new IntLiteral(0), $5); |
408 |
} |
} |
409 |
} |
} |
410 |
| IF '(' expr ')' statements ELSE statements END IF { |
| SYNCHRONIZED opt_statements END SYNCHRONIZED { |
411 |
|
$$ = new SyncBlock($2); |
412 |
|
} |
413 |
|
| IF '(' expr ')' opt_statements ELSE opt_statements END IF { |
414 |
$$ = new If($3, $5, $7); |
$$ = new If($3, $5, $7); |
415 |
} |
} |
416 |
| IF '(' expr ')' statements END IF { |
| IF '(' expr ')' opt_statements END IF { |
417 |
$$ = new If($3, $5); |
$$ = new If($3, $5); |
418 |
} |
} |
419 |
| SELECT expr caseclauses END SELECT { |
| SELECT expr caseclauses END SELECT { |
436 |
} |
} |
437 |
|
|
438 |
caseclause: |
caseclause: |
439 |
CASE INTEGER statements { |
CASE INTEGER opt_statements { |
440 |
$$ = CaseBranch(); |
$$ = CaseBranch(); |
441 |
$$.from = new IntLiteral($2); |
$$.from = new IntLiteral($2); |
442 |
$$.statements = $3; |
$$.statements = $3; |
443 |
} |
} |
444 |
| CASE INTEGER TO INTEGER statements { |
| CASE INTEGER TO INTEGER opt_statements { |
445 |
$$ = CaseBranch(); |
$$ = CaseBranch(); |
446 |
$$.from = new IntLiteral($2); |
$$.from = new IntLiteral($2); |
447 |
$$.to = new IntLiteral($4); |
$$.to = new IntLiteral($4); |
448 |
$$.statements = $5; |
$$.statements = $5; |
449 |
} |
} |
450 |
|
|
451 |
|
userfunctioncall: |
452 |
|
CALL IDENTIFIER { |
453 |
|
const char* name = $2; |
454 |
|
StatementsRef fn = context->userFunctionByName(name); |
455 |
|
if (context->functionProvider->functionByName(name)) { |
456 |
|
PARSE_ERR(@1, (String("Keyword 'call' must only be used for user defined functions, not for any built-in function like '") + name + "'.").c_str()); |
457 |
|
$$ = StatementsRef(); |
458 |
|
} else if (!fn) { |
459 |
|
PARSE_ERR(@2, (String("No user defined function with name '") + name + "'.").c_str()); |
460 |
|
$$ = StatementsRef(); |
461 |
|
} else { |
462 |
|
$$ = fn; |
463 |
|
} |
464 |
|
} |
465 |
|
|
466 |
functioncall: |
functioncall: |
467 |
IDENTIFIER '(' args ')' { |
IDENTIFIER '(' args ')' { |
468 |
const char* name = $1; |
const char* name = $1; |
469 |
//printf("function call of '%s' with args\n", name); |
//printf("function call of '%s' with args\n", name); |
470 |
ArgsRef args = $3; |
ArgsRef args = $3; |
471 |
VMFunction* fn = context->functionProvider->functionByName(name); |
VMFunction* fn = context->functionProvider->functionByName(name); |
472 |
if (!fn) { |
if (context->userFunctionByName(name)) { |
473 |
|
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
474 |
|
$$ = new FunctionCall(name, args, NULL); |
475 |
|
} else if (!fn) { |
476 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
477 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
478 |
|
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
479 |
|
PARSE_DROP(@$); |
480 |
|
$$ = new NoFunctionCall; |
481 |
} else if (args->argsCount() < fn->minRequiredArgs()) { |
} else if (args->argsCount() < fn->minRequiredArgs()) { |
482 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
483 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
486 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
487 |
} else { |
} else { |
488 |
bool argsOK = true; |
bool argsOK = true; |
489 |
for (int i = 0; i < args->argsCount(); ++i) { |
for (vmint i = 0; i < args->argsCount(); ++i) { |
490 |
if (args->arg(i)->exprType() != fn->argType(i) && !fn->acceptsArgType(i, args->arg(i)->exprType())) { |
if (args->arg(i)->exprType() != fn->argType(i) && !fn->acceptsArgType(i, args->arg(i)->exprType())) { |
491 |
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()); |
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()); |
492 |
argsOK = false; |
argsOK = false; |
493 |
break; |
break; |
494 |
|
} else if (fn->modifiesArg(i) && !args->arg(i)->isModifyable()) { |
495 |
|
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects an assignable variable.").c_str()); |
496 |
|
argsOK = false; |
497 |
|
break; |
498 |
} |
} |
499 |
} |
} |
500 |
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
505 |
//printf("function call of '%s' (with empty args)\n", name); |
//printf("function call of '%s' (with empty args)\n", name); |
506 |
ArgsRef args = new Args; |
ArgsRef args = new Args; |
507 |
VMFunction* fn = context->functionProvider->functionByName(name); |
VMFunction* fn = context->functionProvider->functionByName(name); |
508 |
if (!fn) { |
if (context->userFunctionByName(name)) { |
509 |
|
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
510 |
|
$$ = new FunctionCall(name, args, NULL); |
511 |
|
} else if (!fn) { |
512 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
513 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
514 |
|
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
515 |
|
PARSE_DROP(@$); |
516 |
|
$$ = new NoFunctionCall; |
517 |
} else if (fn->minRequiredArgs() > 0) { |
} else if (fn->minRequiredArgs() > 0) { |
518 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
519 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
526 |
//printf("function call of '%s' (without args)\n", name); |
//printf("function call of '%s' (without args)\n", name); |
527 |
ArgsRef args = new Args; |
ArgsRef args = new Args; |
528 |
VMFunction* fn = context->functionProvider->functionByName(name); |
VMFunction* fn = context->functionProvider->functionByName(name); |
529 |
if (!fn) { |
if (context->userFunctionByName(name)) { |
530 |
|
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
531 |
|
$$ = new FunctionCall(name, args, NULL); |
532 |
|
} else if (!fn) { |
533 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
534 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
535 |
|
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
536 |
|
PARSE_DROP(@$); |
537 |
|
$$ = new NoFunctionCall; |
538 |
} else if (fn->minRequiredArgs() > 0) { |
} else if (fn->minRequiredArgs() > 0) { |
539 |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
540 |
$$ = new FunctionCall(name, args, NULL); |
$$ = new FunctionCall(name, args, NULL); |
565 |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
566 |
else if (var->isConstExpr()) |
else if (var->isConstExpr()) |
567 |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
568 |
|
else if (!var->isAssignable()) |
569 |
|
PARSE_ERR(@2, (String("Variable assignment: Variable '") + name + "' is not assignable.").c_str()); |
570 |
else if (var->exprType() != $3->exprType()) |
else if (var->exprType() != $3->exprType()) |
571 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
572 |
$$ = new Assignment(var, $3); |
$$ = new Assignment(var, $3); |
578 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
579 |
else if (var->exprType() != INT_ARR_EXPR) |
else if (var->exprType() != INT_ARR_EXPR) |
580 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
581 |
|
else if (var->isConstExpr()) |
582 |
|
PARSE_ERR(@5, (String("Variable assignment: Cannot modify const array variable '") + name + "'.").c_str()); |
583 |
|
else if (!var->isAssignable()) |
584 |
|
PARSE_ERR(@5, (String("Variable assignment: Array variable '") + name + "' is not assignable.").c_str()); |
585 |
else if ($3->exprType() != INT_EXPR) |
else if ($3->exprType() != INT_EXPR) |
586 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
587 |
else if ($6->exprType() != INT_EXPR) |
else if ($6->exprType() != INT_EXPR) |
588 |
PARSE_ERR(@5, (String("Value assigned to array variable '") + name + "' must be an integer expression.").c_str()); |
PARSE_ERR(@5, (String("Value assigned to array variable '") + name + "' must be an integer expression.").c_str()); |
589 |
|
else if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((IntArrayVariableRef)var)->arraySize()) |
590 |
|
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
591 |
|
" exceeds size of array variable '" + name + |
592 |
|
"' which was declared with size " + |
593 |
|
ToString(((IntArrayVariableRef)var)->arraySize()) + ".").c_str()); |
594 |
IntArrayElementRef element = new IntArrayElement(var, $3); |
IntArrayElementRef element = new IntArrayElement(var, $3); |
595 |
$$ = new Assignment(element, $6); |
$$ = new Assignment(element, $6); |
596 |
} |
} |
625 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
626 |
$$ = new IntLiteral(0); |
$$ = new IntLiteral(0); |
627 |
} else { |
} else { |
628 |
|
if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((IntArrayVariableRef)var)->arraySize()) |
629 |
|
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
630 |
|
" exceeds size of array variable '" + name + |
631 |
|
"' which was declared with size " + |
632 |
|
ToString(((IntArrayVariableRef)var)->arraySize()) + ".").c_str()); |
633 |
$$ = new IntArrayElement(var, $3); |
$$ = new IntArrayElement(var, $3); |
634 |
} |
} |
635 |
} |
} |
887 |
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
888 |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, txt); |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, txt); |
889 |
} |
} |
890 |
|
|
891 |
|
/// Custom implementation of yytnamerr() to ensure quotation is always stripped from token names before printing them to error messages. |
892 |
|
int InstrScript_tnamerr(char* yyres, const char* yystr) { |
893 |
|
if (*yystr == '"') { |
894 |
|
int yyn = 0; |
895 |
|
char const *yyp = yystr; |
896 |
|
for (;;) |
897 |
|
switch (*++yyp) |
898 |
|
{ |
899 |
|
/* |
900 |
|
case '\'': |
901 |
|
case ',': |
902 |
|
goto do_not_strip_quotes; |
903 |
|
|
904 |
|
case '\\': |
905 |
|
if (*++yyp != '\\') |
906 |
|
goto do_not_strip_quotes; |
907 |
|
*/ |
908 |
|
/* Fall through. */ |
909 |
|
default: |
910 |
|
if (yyres) |
911 |
|
yyres[yyn] = *yyp; |
912 |
|
yyn++; |
913 |
|
break; |
914 |
|
|
915 |
|
case '"': |
916 |
|
if (yyres) |
917 |
|
yyres[yyn] = '\0'; |
918 |
|
return yyn; |
919 |
|
} |
920 |
|
/* |
921 |
|
do_not_strip_quotes: ; |
922 |
|
*/ |
923 |
|
} |
924 |
|
|
925 |
|
if (! yyres) |
926 |
|
return (int) yystrlen (yystr); |
927 |
|
|
928 |
|
return int( yystpcpy (yyres, yystr) - yyres ); |
929 |
|
} |