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/* |
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* Copyright (c) 2014-2017 Christian Schoenebeck and Andreas Persson |
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* |
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* http://www.linuxsampler.org |
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* |
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* This file is part of LinuxSampler and released under the same terms. |
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* See README file for details. |
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*/ |
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|
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/* Parser for NKSP real-time instrument script language. */ |
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|
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%{ |
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#define YYERROR_VERBOSE 1 |
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#include "parser_shared.h" |
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#include <string> |
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#include <map> |
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using namespace LinuxSampler; |
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|
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void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err); |
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void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt); |
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int InstrScript_tnamerr(char* yyres, const char* yystr); |
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int InstrScript_lex(YYSTYPE* lvalp, YYLTYPE* llocp, void* scanner); |
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#define scanner context->scanner |
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#define PARSE_ERR(loc,txt) yyerror(&loc, context, txt) |
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#define PARSE_WRN(loc,txt) InstrScript_warning(&loc, context, txt) |
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#define PARSE_DROP(loc) \ |
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context->addPreprocessorComment( \ |
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loc.first_line, loc.last_line, loc.first_column+1, \ |
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loc.last_column+1, loc.first_byte, loc.length_bytes \ |
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); |
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#define yytnamerr(res,str) InstrScript_tnamerr(res, str) |
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%} |
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|
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// generate reentrant safe parser |
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%pure-parser |
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%parse-param { LinuxSampler::ParserContext* context } |
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%lex-param { void* scanner } |
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// avoid symbol collision with other (i.e. future) auto generated (f)lex scanners |
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// (NOTE: "=" is deprecated here with Bison 3.x, however removing it would cause an error with Bison 2.x) |
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%name-prefix="InstrScript_" |
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%locations |
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%defines |
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%error-verbose |
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|
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%token <iValue> INTEGER "integer literal" |
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%token <fValue> REAL "real number literal" |
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%token <iUnitValue> INTEGER_UNIT "integer literal with unit" |
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%token <fUnitValue> REAL_UNIT "real number literal with unit" |
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%token <sValue> STRING "string literal" |
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%token <sValue> IDENTIFIER "function name" |
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%token <sValue> VARIABLE "variable name" |
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%token ON "keyword 'on'" |
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%token END "keyword 'end'" |
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%token INIT "keyword 'init'" |
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%token NOTE "keyword 'note'" |
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%token RELEASE "keyword 'release'" |
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%token CONTROLLER "keyword 'controller'" |
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%token RPN "keyword 'rpn'" |
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%token NRPN "keyword 'nrpn'" |
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%token DECLARE "keyword 'declare'" |
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%token ASSIGNMENT "operator ':='" |
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%token CONST_ "keyword 'const'" |
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%token POLYPHONIC "keyword 'polyphonic'" |
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%token WHILE "keyword 'while'" |
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%token SYNCHRONIZED "keyword 'synchronized'" |
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%token IF "keyword 'if'" |
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%token ELSE "keyword 'else'" |
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%token SELECT "keyword 'select'" |
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%token CASE "keyword 'case'" |
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%token TO "keyword 'to'" |
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%token OR "operator 'or'" |
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%token AND "operator 'and'" |
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%token NOT "operator 'not'" |
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%token BITWISE_OR "bitwise operator '.or.'" |
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%token BITWISE_AND "bitwise operator '.and.'" |
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%token BITWISE_NOT "bitwise operator '.not.'" |
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%token FUNCTION "keyword 'function'" |
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%token CALL "keyword 'call'" |
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%token MOD "operator 'mod'" |
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%token LE "operator '<='" |
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%token GE "operator '>='" |
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%token END_OF_FILE 0 "end of file" |
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%token UNKNOWN_CHAR "unknown character" |
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|
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%type <nEventHandlers> script sections |
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%type <nEventHandler> section eventhandler |
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%type <nStatements> statements opt_statements userfunctioncall |
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%type <nStatement> statement assignment |
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%type <nFunctionCall> functioncall |
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%type <nArgs> args opt_arr_assignment |
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%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 |
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%type <nCaseBranch> caseclause |
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%type <nCaseBranches> caseclauses |
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%type <varQualifier> opt_qualifiers qualifiers qualifier |
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|
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%start script |
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|
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%% |
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|
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script: |
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sections { |
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$$ = context->handlers = $1; |
103 |
} |
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|
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sections: |
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section { |
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$$ = new EventHandlers(); |
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if ($1) $$->add($1); |
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} |
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| sections section { |
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$$ = $1; |
112 |
if ($2) $$->add($2); |
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} |
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|
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section: |
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function_declaration { |
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$$ = EventHandlerRef(); |
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} |
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| eventhandler { |
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$$ = $1; |
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} |
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|
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eventhandler: |
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ON NOTE opt_statements END ON { |
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if (context->onNote) |
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PARSE_ERR(@2, "Redeclaration of 'note' event handler."); |
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context->onNote = new OnNote($3); |
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$$ = context->onNote; |
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} |
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| ON INIT opt_statements END ON { |
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if (context->onInit) |
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PARSE_ERR(@2, "Redeclaration of 'init' event handler."); |
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context->onInit = new OnInit($3); |
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$$ = context->onInit; |
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} |
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| ON RELEASE opt_statements END ON { |
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if (context->onRelease) |
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PARSE_ERR(@2, "Redeclaration of 'release' event handler."); |
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context->onRelease = new OnRelease($3); |
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$$ = context->onRelease; |
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} |
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| ON CONTROLLER opt_statements END ON { |
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if (context->onController) |
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PARSE_ERR(@2, "Redeclaration of 'controller' event handler."); |
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context->onController = new OnController($3); |
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$$ = context->onController; |
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} |
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| ON RPN opt_statements END ON { |
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if (context->onRpn) |
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PARSE_ERR(@2, "Redeclaration of 'rpn' event handler."); |
151 |
context->onRpn = new OnRpn($3); |
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$$ = context->onRpn; |
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} |
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| ON NRPN opt_statements END ON { |
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if (context->onNrpn) |
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PARSE_ERR(@2, "Redeclaration of 'nrpn' event handler."); |
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context->onNrpn = new OnNrpn($3); |
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$$ = context->onNrpn; |
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} |
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|
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function_declaration: |
162 |
FUNCTION IDENTIFIER opt_statements END FUNCTION { |
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const char* name = $2; |
164 |
if (context->functionProvider->functionByName(name)) { |
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PARSE_ERR(@2, (String("There is already a built-in function with name '") + name + "'.").c_str()); |
166 |
} else if (context->userFunctionByName(name)) { |
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PARSE_ERR(@2, (String("There is already a user defined function with name '") + name + "'.").c_str()); |
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} else { |
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context->userFnTable[name] = $3; |
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} |
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} |
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|
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opt_statements: |
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/* epsilon (empty argument) */ { |
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$$ = new Statements(); |
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} |
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| statements { |
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$$ = $1; |
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} |
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|
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statements: |
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statement { |
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$$ = new Statements(); |
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if ($1) { |
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if (!isNoOperation($1)) $$->add($1); // filter out NoOperation statements |
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} else |
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PARSE_WRN(@1, "Not a statement."); |
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} |
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| statements statement { |
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$$ = $1; |
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if ($2) { |
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if (!isNoOperation($2)) $$->add($2); // filter out NoOperation statements |
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} else |
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PARSE_WRN(@2, "Not a statement."); |
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} |
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|
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statement: |
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functioncall { |
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$$ = $1; |
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} |
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| userfunctioncall { |
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$$ = $1; |
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} |
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| DECLARE opt_qualifiers VARIABLE opt_assignment { |
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$$ = new NoOperation; // just as default result value |
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const bool qConst = $2 & QUALIFIER_CONST; |
207 |
const bool qPolyphonic = $2 & QUALIFIER_POLYPHONIC; |
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const char* name = $3; |
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ExpressionRef expr = $4; |
210 |
//printf("declared var '%s'\n", name); |
211 |
const ExprType_t declType = exprTypeOfVarName(name); |
212 |
if (context->variableByName(name)) { |
213 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
214 |
} else if (qConst && !expr) { |
215 |
PARSE_ERR(@2, (String("Variable '") + name + "' declared const without value assignment.").c_str()); |
216 |
} else if (qConst && qPolyphonic) { |
217 |
PARSE_ERR(@2, (String("Variable '") + name + "' must not be declared both const and polyphonic.").c_str()); |
218 |
} else { |
219 |
if (!expr) { |
220 |
if (qPolyphonic) { |
221 |
if (name[0] != '$' && name[0] != '~') { |
222 |
PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
223 |
} else if (name[0] == '~') { |
224 |
context->vartable[name] = new PolyphonicRealVariable({ |
225 |
.ctx = context |
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}); |
227 |
} else { |
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context->vartable[name] = new PolyphonicIntVariable({ |
229 |
.ctx = context |
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}); |
231 |
} |
232 |
} else { |
233 |
if (name[0] == '@') { |
234 |
context->vartable[name] = new StringVariable(context); |
235 |
} else if (name[0] == '~') { |
236 |
context->vartable[name] = new RealVariable({ |
237 |
.ctx = context |
238 |
}); |
239 |
} else if (name[0] == '$') { |
240 |
context->vartable[name] = new IntVariable({ |
241 |
.ctx = context |
242 |
}); |
243 |
} else if (name[0] == '?') { |
244 |
PARSE_ERR(@3, (String("Real number array variable '") + name + "' declaration requires array size.").c_str()); |
245 |
} else if (name[0] == '%') { |
246 |
PARSE_ERR(@3, (String("Integer array variable '") + name + "' declaration requires array size.").c_str()); |
247 |
} else { |
248 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared with unknown type.").c_str()); |
249 |
} |
250 |
} |
251 |
} else { |
252 |
if (qPolyphonic && !isNumber(expr->exprType())) { |
253 |
PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
254 |
} else if (expr->exprType() == STRING_EXPR) { |
255 |
if (name[0] != '@') |
256 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", string expression assigned though.").c_str()); |
257 |
StringExprRef strExpr = expr; |
258 |
String s; |
259 |
if (qConst) { |
260 |
if (strExpr->isConstExpr()) |
261 |
s = strExpr->evalStr(); |
262 |
else |
263 |
PARSE_ERR(@4, (String("Assignment to const string variable '") + name + "' requires const expression.").c_str()); |
264 |
ConstStringVariableRef var = new ConstStringVariable(context, s); |
265 |
context->vartable[name] = var; |
266 |
} else { |
267 |
if (strExpr->isConstExpr()) { |
268 |
s = strExpr->evalStr(); |
269 |
StringVariableRef var = new StringVariable(context); |
270 |
context->vartable[name] = var; |
271 |
$$ = new Assignment(var, new StringLiteral(s)); |
272 |
} else { |
273 |
StringVariableRef var = new StringVariable(context); |
274 |
context->vartable[name] = var; |
275 |
$$ = new Assignment(var, strExpr); |
276 |
} |
277 |
} |
278 |
} else if (expr->exprType() == REAL_EXPR) { |
279 |
if (name[0] != '~') |
280 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", real number expression assigned though.").c_str()); |
281 |
RealExprRef realExpr = expr; |
282 |
if (qConst) { |
283 |
if (!realExpr->isConstExpr()) { |
284 |
PARSE_ERR(@4, (String("Assignment to const real number variable '") + name + "' requires const expression.").c_str()); |
285 |
} |
286 |
ConstRealVariableRef var = new ConstRealVariable( |
287 |
#if defined(__GNUC__) && !defined(__clang__) |
288 |
(const RealVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
289 |
#endif |
290 |
{ |
291 |
.value = (realExpr->isConstExpr()) ? realExpr->evalReal() : vmfloat(0), |
292 |
.unitFactor = (realExpr->isConstExpr()) ? realExpr->unitFactor() : VM_NO_FACTOR, |
293 |
.unitType = realExpr->unitType(), |
294 |
.isFinal = realExpr->isFinal() |
295 |
}); |
296 |
context->vartable[name] = var; |
297 |
} else { |
298 |
RealVariableRef var = new RealVariable({ |
299 |
.ctx = context, |
300 |
.unitType = realExpr->unitType(), |
301 |
.isFinal = realExpr->isFinal() |
302 |
}); |
303 |
if (realExpr->isConstExpr()) { |
304 |
$$ = new Assignment(var, new RealLiteral({ |
305 |
.value = realExpr->evalReal(), |
306 |
.unitFactor = realExpr->unitFactor(), |
307 |
.unitType = realExpr->unitType(), |
308 |
.isFinal = realExpr->isFinal() |
309 |
})); |
310 |
} else { |
311 |
$$ = new Assignment(var, realExpr); |
312 |
} |
313 |
context->vartable[name] = var; |
314 |
} |
315 |
} else if (expr->exprType() == INT_EXPR) { |
316 |
if (name[0] != '$') |
317 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", integer expression assigned though.").c_str()); |
318 |
IntExprRef intExpr = expr; |
319 |
if (qConst) { |
320 |
if (!intExpr->isConstExpr()) { |
321 |
PARSE_ERR(@4, (String("Assignment to const integer variable '") + name + "' requires const expression.").c_str()); |
322 |
} |
323 |
ConstIntVariableRef var = new ConstIntVariable( |
324 |
#if defined(__GNUC__) && !defined(__clang__) |
325 |
(const IntVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
326 |
#endif |
327 |
{ |
328 |
.value = (intExpr->isConstExpr()) ? intExpr->evalInt() : 0, |
329 |
.unitFactor = (intExpr->isConstExpr()) ? intExpr->unitFactor() : VM_NO_FACTOR, |
330 |
.unitType = intExpr->unitType(), |
331 |
.isFinal = intExpr->isFinal() |
332 |
}); |
333 |
context->vartable[name] = var; |
334 |
} else { |
335 |
IntVariableRef var = new IntVariable({ |
336 |
.ctx = context, |
337 |
.unitType = intExpr->unitType(), |
338 |
.isFinal = intExpr->isFinal() |
339 |
}); |
340 |
if (intExpr->isConstExpr()) { |
341 |
$$ = new Assignment(var, new IntLiteral({ |
342 |
.value = intExpr->evalInt(), |
343 |
.unitFactor = intExpr->unitFactor(), |
344 |
.unitType = intExpr->unitType(), |
345 |
.isFinal = intExpr->isFinal() |
346 |
})); |
347 |
} else { |
348 |
$$ = new Assignment(var, intExpr); |
349 |
} |
350 |
context->vartable[name] = var; |
351 |
} |
352 |
} else if (expr->exprType() == EMPTY_EXPR) { |
353 |
PARSE_ERR(@4, "Expression does not result in a value."); |
354 |
$$ = new NoOperation; |
355 |
} else if (isArray(expr->exprType())) { |
356 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as scalar type, array expression assigned though.").c_str()); |
357 |
$$ = new NoOperation; |
358 |
} |
359 |
} |
360 |
} |
361 |
} |
362 |
| DECLARE opt_qualifiers VARIABLE '[' expr ']' opt_arr_assignment { |
363 |
$$ = new NoOperation; // just as default result value |
364 |
const bool qConst = $2 & QUALIFIER_CONST; |
365 |
const bool qPolyphonic = $2 & QUALIFIER_POLYPHONIC; |
366 |
const char* name = $3; |
367 |
if (!$5->isConstExpr()) { |
368 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
369 |
} else if ($5->exprType() != INT_EXPR) { |
370 |
PARSE_ERR(@5, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
371 |
} else if (context->variableByName(name)) { |
372 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
373 |
} else if (qConst && !$7) { |
374 |
PARSE_ERR(@2, (String("Array variable '") + name + "' declared const without value assignment.").c_str()); |
375 |
} else if (qPolyphonic) { |
376 |
PARSE_ERR(@2, (String("Array variable '") + name + "' must not be declared polyphonic.").c_str()); |
377 |
} else { |
378 |
IntExprRef sizeExpr = $5; |
379 |
ArgsRef args = $7; |
380 |
vmint size = sizeExpr->evalInt(); |
381 |
if (size <= 0) { |
382 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
383 |
} else if (sizeExpr->unitType() || sizeExpr->hasUnitFactorNow()) { |
384 |
PARSE_ERR(@5, "Units are not allowed as array size."); |
385 |
} else { |
386 |
if (sizeExpr->isFinal()) |
387 |
PARSE_WRN(@5, "Final operator '!' is meaningless here."); |
388 |
if (!args) { |
389 |
if (name[0] == '?') { |
390 |
context->vartable[name] = new RealArrayVariable(context, size); |
391 |
} else if (name[0] == '%') { |
392 |
context->vartable[name] = new IntArrayVariable(context, size); |
393 |
} else { |
394 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
395 |
} |
396 |
} else { |
397 |
if (size <= 0) { |
398 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
399 |
} else if (args->argsCount() > size) { |
400 |
PARSE_ERR(@7, (String("Array variable '") + name + |
401 |
"' was declared with size " + ToString(size) + |
402 |
" but " + ToString(args->argsCount()) + |
403 |
" values were assigned." ).c_str()); |
404 |
} else { |
405 |
ExprType_t declType = EMPTY_EXPR; |
406 |
if (name[0] == '%') { |
407 |
declType = INT_EXPR; |
408 |
} else if (name[0] == '?') { |
409 |
declType = REAL_EXPR; |
410 |
} else if (name[0] == '$') { |
411 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '%' as name prefix for integer arrays instead of '$'.").c_str()); |
412 |
} else if (name[0] == '~') { |
413 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '?' as name prefix for real number arrays instead of '~'.").c_str()); |
414 |
} else { |
415 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
416 |
} |
417 |
bool argsOK = true; |
418 |
if (declType == EMPTY_EXPR) { |
419 |
argsOK = false; |
420 |
} else { |
421 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
422 |
if (args->arg(i)->exprType() != declType) { |
423 |
PARSE_ERR( |
424 |
@7, |
425 |
(String("Array variable '") + name + |
426 |
"' declared with invalid assignment values. Assigned element " + |
427 |
ToString(i+1) + " is not an " + typeStr(declType) + " expression.").c_str() |
428 |
); |
429 |
argsOK = false; |
430 |
break; |
431 |
} else if (qConst && !args->arg(i)->isConstExpr()) { |
432 |
PARSE_ERR( |
433 |
@7, |
434 |
(String("const array variable '") + name + |
435 |
"' must be defined with const values. Assigned element " + |
436 |
ToString(i+1) + " is not a const expression though.").c_str() |
437 |
); |
438 |
argsOK = false; |
439 |
break; |
440 |
} else if (args->arg(i)->asNumber()->unitType()) { |
441 |
PARSE_ERR( |
442 |
@7, |
443 |
(String("Array variable '") + name + |
444 |
"' declared with invalid assignment values. Assigned element " + |
445 |
ToString(i+1) + " contains a unit type, only metric prefixes are allowed for arrays.").c_str() |
446 |
); |
447 |
argsOK = false; |
448 |
break; |
449 |
} else if (args->arg(i)->asNumber()->isFinal()) { |
450 |
PARSE_ERR( |
451 |
@7, |
452 |
(String("Array variable '") + name + |
453 |
"' declared with invalid assignment values. Assigned element " + |
454 |
ToString(i+1) + " declared as 'final' value.").c_str() |
455 |
); |
456 |
argsOK = false; |
457 |
break; |
458 |
} |
459 |
} |
460 |
} |
461 |
if (argsOK) { |
462 |
if (declType == REAL_EXPR) |
463 |
context->vartable[name] = new RealArrayVariable(context, size, args, qConst); |
464 |
else |
465 |
context->vartable[name] = new IntArrayVariable(context, size, args, qConst); |
466 |
} |
467 |
} |
468 |
} |
469 |
} |
470 |
} |
471 |
} |
472 |
| assignment { |
473 |
$$ = $1; |
474 |
} |
475 |
| WHILE '(' expr ')' opt_statements END WHILE { |
476 |
if ($3->exprType() == INT_EXPR) { |
477 |
IntExprRef expr = $3; |
478 |
if (expr->asNumber()->unitType() || |
479 |
expr->asNumber()->hasUnitFactorEver()) |
480 |
PARSE_WRN(@3, "Condition for 'while' loops contains a unit."); |
481 |
else if (expr->isFinal() && expr->isConstExpr()) |
482 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
483 |
$$ = new While(expr, $5); |
484 |
} else { |
485 |
PARSE_ERR(@3, "Condition for 'while' loops must be integer expression."); |
486 |
$$ = new While(new IntLiteral({ .value = 0 }), $5); |
487 |
} |
488 |
} |
489 |
| SYNCHRONIZED opt_statements END SYNCHRONIZED { |
490 |
$$ = new SyncBlock($2); |
491 |
} |
492 |
| IF '(' expr ')' opt_statements ELSE opt_statements END IF { |
493 |
if ($3->exprType() == INT_EXPR) { |
494 |
IntExprRef expr = $3; |
495 |
if (expr->asNumber()->unitType() || |
496 |
expr->asNumber()->hasUnitFactorEver()) |
497 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
498 |
else if (expr->isFinal() && expr->isConstExpr()) |
499 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
500 |
$$ = new If($3, $5, $7); |
501 |
} else { |
502 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
503 |
$$ = new If(new IntLiteral({ .value = 0 }), $5, $7); |
504 |
} |
505 |
} |
506 |
| IF '(' expr ')' opt_statements END IF { |
507 |
if ($3->exprType() == INT_EXPR) { |
508 |
IntExprRef expr = $3; |
509 |
if (expr->asNumber()->unitType() || |
510 |
expr->asNumber()->hasUnitFactorEver()) |
511 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
512 |
else if (expr->isFinal() && expr->isConstExpr()) |
513 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
514 |
$$ = new If($3, $5); |
515 |
} else { |
516 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
517 |
$$ = new If(new IntLiteral({ .value = 0 }), $5); |
518 |
} |
519 |
} |
520 |
| SELECT expr caseclauses END SELECT { |
521 |
if ($2->exprType() == INT_EXPR) { |
522 |
IntExprRef expr = $2; |
523 |
if (expr->unitType() || expr->hasUnitFactorEver()) { |
524 |
PARSE_ERR(@2, "Units are not allowed here."); |
525 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
526 |
} else { |
527 |
if (expr->isFinal() && expr->isConstExpr()) |
528 |
PARSE_WRN(@2, "Final operator '!' is meaningless here."); |
529 |
$$ = new SelectCase(expr, $3); |
530 |
} |
531 |
} else { |
532 |
PARSE_ERR(@2, "Statement 'select' can only by applied to integer expressions."); |
533 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
534 |
} |
535 |
} |
536 |
|
537 |
caseclauses: |
538 |
caseclause { |
539 |
$$ = CaseBranches(); |
540 |
$$.push_back($1); |
541 |
} |
542 |
| caseclauses caseclause { |
543 |
$$ = $1; |
544 |
$$.push_back($2); |
545 |
} |
546 |
|
547 |
caseclause: |
548 |
CASE INTEGER opt_statements { |
549 |
$$ = CaseBranch(); |
550 |
$$.from = new IntLiteral({ .value = $2 }); |
551 |
$$.statements = $3; |
552 |
} |
553 |
| CASE INTEGER TO INTEGER opt_statements { |
554 |
$$ = CaseBranch(); |
555 |
$$.from = new IntLiteral({ .value = $2 }); |
556 |
$$.to = new IntLiteral({ .value = $4 }); |
557 |
$$.statements = $5; |
558 |
} |
559 |
|
560 |
userfunctioncall: |
561 |
CALL IDENTIFIER { |
562 |
const char* name = $2; |
563 |
StatementsRef fn = context->userFunctionByName(name); |
564 |
if (context->functionProvider->functionByName(name)) { |
565 |
PARSE_ERR(@1, (String("Keyword 'call' must only be used for user defined functions, not for any built-in function like '") + name + "'.").c_str()); |
566 |
$$ = StatementsRef(); |
567 |
} else if (!fn) { |
568 |
PARSE_ERR(@2, (String("No user defined function with name '") + name + "'.").c_str()); |
569 |
$$ = StatementsRef(); |
570 |
} else { |
571 |
$$ = fn; |
572 |
} |
573 |
} |
574 |
|
575 |
functioncall: |
576 |
IDENTIFIER '(' args ')' { |
577 |
const char* name = $1; |
578 |
//printf("function call of '%s' with args\n", name); |
579 |
ArgsRef args = $3; |
580 |
VMFunction* fn = context->functionProvider->functionByName(name); |
581 |
if (context->userFunctionByName(name)) { |
582 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
583 |
$$ = new FunctionCall(name, args, NULL); |
584 |
} else if (!fn) { |
585 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
586 |
$$ = new FunctionCall(name, args, NULL); |
587 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
588 |
PARSE_DROP(@$); |
589 |
$$ = new NoFunctionCall; |
590 |
} else if (args->argsCount() < fn->minRequiredArgs()) { |
591 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
592 |
$$ = new FunctionCall(name, args, NULL); |
593 |
} else if (args->argsCount() > fn->maxAllowedArgs()) { |
594 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' accepts max. " + ToString(fn->maxAllowedArgs()) + " arguments.").c_str()); |
595 |
$$ = new FunctionCall(name, args, NULL); |
596 |
} else { |
597 |
bool argsOK = true; |
598 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
599 |
if (!fn->acceptsArgType(i, args->arg(i)->exprType())) { |
600 |
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()); |
601 |
argsOK = false; |
602 |
break; |
603 |
} else if (fn->modifiesArg(i) && !args->arg(i)->isModifyable()) { |
604 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects an assignable variable.").c_str()); |
605 |
argsOK = false; |
606 |
break; |
607 |
} else if (isNumber(args->arg(i)->exprType()) && !fn->acceptsArgUnitType(i, args->arg(i)->asNumber()->unitType())) { |
608 |
if (args->arg(i)->asNumber()->unitType()) |
609 |
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()); |
610 |
else |
611 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects a unit.").c_str()); |
612 |
argsOK = false; |
613 |
break; |
614 |
} else if (isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->hasUnitFactorEver() && !fn->acceptsArgUnitPrefix(i, args->arg(i)->asNumber()->unitType())) { |
615 |
if (args->arg(i)->asNumber()->unitType()) |
616 |
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()); |
617 |
else |
618 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a unit prefix.").c_str()); |
619 |
argsOK = false; |
620 |
break; |
621 |
} else if (!fn->acceptsArgFinal(i) && isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->isFinal()) { |
622 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a \"final\" value.").c_str()); |
623 |
argsOK = false; |
624 |
break; |
625 |
} |
626 |
} |
627 |
if (argsOK) { |
628 |
// perform built-in function's own, custom arguments checks (if any) |
629 |
fn->checkArgs(&*args, [&](String err) { |
630 |
PARSE_ERR(@3, (String("Built-in function '") + name + "()': " + err).c_str()); |
631 |
argsOK = false; |
632 |
}, [&](String wrn) { |
633 |
PARSE_WRN(@3, (String("Built-in function '") + name + "()': " + wrn).c_str()); |
634 |
}); |
635 |
} |
636 |
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
637 |
} |
638 |
} |
639 |
| IDENTIFIER '(' ')' { |
640 |
const char* name = $1; |
641 |
//printf("function call of '%s' (with empty args)\n", name); |
642 |
ArgsRef args = new Args; |
643 |
VMFunction* fn = context->functionProvider->functionByName(name); |
644 |
if (context->userFunctionByName(name)) { |
645 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
646 |
$$ = new FunctionCall(name, args, NULL); |
647 |
} else if (!fn) { |
648 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
649 |
$$ = new FunctionCall(name, args, NULL); |
650 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
651 |
PARSE_DROP(@$); |
652 |
$$ = new NoFunctionCall; |
653 |
} else if (fn->minRequiredArgs() > 0) { |
654 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
655 |
$$ = new FunctionCall(name, args, NULL); |
656 |
} else { |
657 |
$$ = new FunctionCall(name, args, fn); |
658 |
} |
659 |
} |
660 |
| IDENTIFIER { |
661 |
const char* name = $1; |
662 |
//printf("function call of '%s' (without args)\n", name); |
663 |
ArgsRef args = new Args; |
664 |
VMFunction* fn = context->functionProvider->functionByName(name); |
665 |
if (context->userFunctionByName(name)) { |
666 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
667 |
$$ = new FunctionCall(name, args, NULL); |
668 |
} else if (!fn) { |
669 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
670 |
$$ = new FunctionCall(name, args, NULL); |
671 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
672 |
PARSE_DROP(@$); |
673 |
$$ = new NoFunctionCall; |
674 |
} else if (fn->minRequiredArgs() > 0) { |
675 |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
676 |
$$ = new FunctionCall(name, args, NULL); |
677 |
} else { |
678 |
$$ = new FunctionCall(name, args, fn); |
679 |
} |
680 |
} |
681 |
|
682 |
args: |
683 |
arg { |
684 |
$$ = new Args(); |
685 |
$$->add($1); |
686 |
} |
687 |
| args ',' arg { |
688 |
$$ = $1; |
689 |
$$->add($3); |
690 |
} |
691 |
|
692 |
arg: |
693 |
expr |
694 |
|
695 |
opt_qualifiers: |
696 |
/* epsilon (empty argument) */ { |
697 |
$$ = QUALIFIER_NONE; |
698 |
} |
699 |
| qualifiers { |
700 |
$$ = $1; |
701 |
} |
702 |
|
703 |
qualifiers: |
704 |
qualifier { |
705 |
$$ = $1; |
706 |
} |
707 |
| qualifiers qualifier { |
708 |
if ($1 & $2) |
709 |
PARSE_ERR(@2, ("Qualifier '" + qualifierStr($2) + "' must only be listed once.").c_str()); |
710 |
$$ = (Qualifier_t) ($1 | $2); |
711 |
} |
712 |
|
713 |
qualifier: |
714 |
CONST_ { |
715 |
$$ = QUALIFIER_CONST; |
716 |
} |
717 |
| POLYPHONIC { |
718 |
$$ = QUALIFIER_POLYPHONIC; |
719 |
} |
720 |
|
721 |
opt_assignment: |
722 |
/* epsilon (empty argument) */ { |
723 |
$$ = ExpressionRef(); |
724 |
} |
725 |
| ASSIGNMENT expr { |
726 |
$$ = $2; |
727 |
} |
728 |
|
729 |
opt_arr_assignment: |
730 |
/* epsilon (empty argument) */ { |
731 |
$$ = ArgsRef(); |
732 |
} |
733 |
| ASSIGNMENT '(' args ')' { |
734 |
$$ = $3; |
735 |
} |
736 |
|
737 |
assignment: |
738 |
VARIABLE ASSIGNMENT expr { |
739 |
//printf("variable lookup with name '%s' as assignment expr\n", $1); |
740 |
const char* name = $1; |
741 |
VariableRef var = context->variableByName(name); |
742 |
if (!var) |
743 |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
744 |
else if (var->isConstExpr()) |
745 |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
746 |
else if (!var->isAssignable()) |
747 |
PARSE_ERR(@2, (String("Variable assignment: Variable '") + name + "' is not assignable.").c_str()); |
748 |
else if (var->exprType() != $3->exprType()) |
749 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
750 |
else if (isNumber(var->exprType())) { |
751 |
NumberVariableRef numberVar = var; |
752 |
NumberExprRef expr = $3; |
753 |
if (numberVar->unitType() != expr->unitType()) |
754 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' has unit type " + unitTypeStr(numberVar->unitType()) + ", assignment has unit type " + unitTypeStr(expr->unitType()) + " though.").c_str()); |
755 |
else if (numberVar->isFinal() != expr->isFinal()) |
756 |
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()); |
757 |
} |
758 |
$$ = new Assignment(var, $3); |
759 |
} |
760 |
| VARIABLE '[' expr ']' ASSIGNMENT expr { |
761 |
const char* name = $1; |
762 |
VariableRef var = context->variableByName(name); |
763 |
if (!var) |
764 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
765 |
else if (!isArray(var->exprType())) |
766 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
767 |
else if (var->isConstExpr()) |
768 |
PARSE_ERR(@5, (String("Variable assignment: Cannot modify const array variable '") + name + "'.").c_str()); |
769 |
else if (!var->isAssignable()) |
770 |
PARSE_ERR(@5, (String("Variable assignment: Array variable '") + name + "' is not assignable.").c_str()); |
771 |
else if ($3->exprType() != INT_EXPR) |
772 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
773 |
else if ($3->asInt()->unitType()) |
774 |
PARSE_ERR(@3, "Unit types are not allowed as array index."); |
775 |
else if ($6->exprType() != scalarTypeOfArray(var->exprType())) |
776 |
PARSE_ERR(@5, (String("Variable '") + name + "' was declared as " + typeStr(var->exprType()) + ", assigned expression is " + typeStr($6->exprType()) + " though.").c_str()); |
777 |
else if ($6->asNumber()->unitType()) |
778 |
PARSE_ERR(@6, "Unit types are not allowed for array variables."); |
779 |
else if ($6->asNumber()->isFinal()) |
780 |
PARSE_ERR(@6, "Final operator '!' not allowed for array variables."); |
781 |
else if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
782 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
783 |
" exceeds size of array variable '" + name + |
784 |
"' which was declared with size " + |
785 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
786 |
else if ($3->asInt()->isFinal()) |
787 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
788 |
if (var->exprType() == INT_ARR_EXPR) { |
789 |
IntArrayElementRef element = new IntArrayElement(var, $3); |
790 |
$$ = new Assignment(element, $6); |
791 |
} else if (var->exprType() == REAL_ARR_EXPR) { |
792 |
RealArrayElementRef element = new RealArrayElement(var, $3); |
793 |
$$ = new Assignment(element, $6); |
794 |
} else { |
795 |
$$ = new NoOperation; // actually not possible to ever get here |
796 |
} |
797 |
} |
798 |
|
799 |
unary_expr: |
800 |
INTEGER { |
801 |
$$ = new IntLiteral({ .value = $1 }); |
802 |
} |
803 |
| REAL { |
804 |
$$ = new RealLiteral({ .value = $1 }); |
805 |
} |
806 |
| INTEGER_UNIT { |
807 |
IntLiteralRef literal = new IntLiteral({ |
808 |
.value = $1.iValue, |
809 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
810 |
.unitType = $1.unit |
811 |
}); |
812 |
$$ = literal; |
813 |
} |
814 |
| REAL_UNIT { |
815 |
RealLiteralRef literal = new RealLiteral({ |
816 |
.value = $1.fValue, |
817 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
818 |
.unitType = $1.unit |
819 |
}); |
820 |
$$ = literal; |
821 |
} |
822 |
| STRING { |
823 |
$$ = new StringLiteral($1); |
824 |
} |
825 |
| VARIABLE { |
826 |
//printf("variable lookup with name '%s' as unary expr\n", $1); |
827 |
VariableRef var = context->variableByName($1); |
828 |
if (var) |
829 |
$$ = var; |
830 |
else { |
831 |
PARSE_ERR(@1, (String("No variable declared with name '") + $1 + "'.").c_str()); |
832 |
$$ = new IntLiteral({ .value = 0 }); |
833 |
} |
834 |
} |
835 |
| VARIABLE '[' expr ']' { |
836 |
const char* name = $1; |
837 |
VariableRef var = context->variableByName(name); |
838 |
if (!var) { |
839 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
840 |
$$ = new IntLiteral({ .value = 0 }); |
841 |
} else if (!isArray(var->exprType())) { |
842 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
843 |
$$ = new IntLiteral({ .value = 0 }); |
844 |
} else if ($3->exprType() != INT_EXPR) { |
845 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
846 |
$$ = new IntLiteral({ .value = 0 }); |
847 |
} else if ($3->asInt()->unitType() || $3->asInt()->hasUnitFactorEver()) { |
848 |
PARSE_ERR(@3, "Units are not allowed as array index."); |
849 |
$$ = new IntLiteral({ .value = 0 }); |
850 |
} else { |
851 |
if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
852 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
853 |
" exceeds size of array variable '" + name + |
854 |
"' which was declared with size " + |
855 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
856 |
else if ($3->asInt()->isFinal()) |
857 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
858 |
if (var->exprType() == REAL_ARR_EXPR) { |
859 |
$$ = new RealArrayElement(var, $3); |
860 |
} else { |
861 |
$$ = new IntArrayElement(var, $3); |
862 |
} |
863 |
} |
864 |
} |
865 |
| '(' expr ')' { |
866 |
$$ = $2; |
867 |
} |
868 |
| functioncall { |
869 |
$$ = $1; |
870 |
} |
871 |
| '+' unary_expr { |
872 |
$$ = $2; |
873 |
} |
874 |
| '-' unary_expr { |
875 |
$$ = new Neg($2); |
876 |
} |
877 |
| BITWISE_NOT unary_expr { |
878 |
if ($2->exprType() != INT_EXPR) { |
879 |
PARSE_ERR(@2, (String("Right operand of bitwise operator '.not.' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
880 |
$$ = new IntLiteral({ .value = 0 }); |
881 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
882 |
PARSE_ERR(@2, "Units are not allowed for operands of bitwise operations."); |
883 |
$$ = new IntLiteral({ .value = 0 }); |
884 |
} else { |
885 |
$$ = new BitwiseNot($2); |
886 |
} |
887 |
} |
888 |
| NOT unary_expr { |
889 |
if ($2->exprType() != INT_EXPR) { |
890 |
PARSE_ERR(@2, (String("Right operand of operator 'not' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
891 |
$$ = new IntLiteral({ .value = 0 }); |
892 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
893 |
PARSE_ERR(@2, "Units are not allowed for operands of logical operations."); |
894 |
$$ = new IntLiteral({ .value = 0 }); |
895 |
} else { |
896 |
$$ = new Not($2); |
897 |
} |
898 |
} |
899 |
| '!' unary_expr { |
900 |
if (!isNumber($2->exprType())) { |
901 |
PARSE_ERR(@2, (String("Right operand of \"final\" operator '!' must be a scalar number expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
902 |
$$ = new IntLiteral({ .value = 0 }); |
903 |
} else { |
904 |
$$ = new Final($2); |
905 |
} |
906 |
} |
907 |
|
908 |
expr: |
909 |
concat_expr |
910 |
|
911 |
concat_expr: |
912 |
logical_or_expr |
913 |
| concat_expr '&' logical_or_expr { |
914 |
ExpressionRef lhs = $1; |
915 |
ExpressionRef rhs = $3; |
916 |
if (lhs->isConstExpr() && rhs->isConstExpr()) { |
917 |
$$ = new StringLiteral( |
918 |
lhs->evalCastToStr() + rhs->evalCastToStr() |
919 |
); |
920 |
} else { |
921 |
$$ = new ConcatString(lhs, rhs); |
922 |
} |
923 |
} |
924 |
|
925 |
logical_or_expr: |
926 |
logical_and_expr |
927 |
| logical_or_expr OR logical_and_expr { |
928 |
ExpressionRef lhs = $1; |
929 |
ExpressionRef rhs = $3; |
930 |
if (lhs->exprType() != INT_EXPR) { |
931 |
PARSE_ERR(@1, (String("Left operand of operator 'or' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
932 |
$$ = new IntLiteral({ .value = 0 }); |
933 |
} else if (rhs->exprType() != INT_EXPR) { |
934 |
PARSE_ERR(@3, (String("Right operand of operator 'or' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
935 |
$$ = new IntLiteral({ .value = 0 }); |
936 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
937 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
938 |
$$ = new IntLiteral({ .value = 0 }); |
939 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
940 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
941 |
$$ = new IntLiteral({ .value = 0 }); |
942 |
} else { |
943 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
944 |
PARSE_WRN(@3, "Right operand of 'or' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
945 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
946 |
PARSE_WRN(@1, "Left operand of 'or' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
947 |
$$ = new Or(lhs, rhs); |
948 |
} |
949 |
} |
950 |
|
951 |
logical_and_expr: |
952 |
bitwise_or_expr { |
953 |
$$ = $1; |
954 |
} |
955 |
| logical_and_expr AND bitwise_or_expr { |
956 |
ExpressionRef lhs = $1; |
957 |
ExpressionRef rhs = $3; |
958 |
if (lhs->exprType() != INT_EXPR) { |
959 |
PARSE_ERR(@1, (String("Left operand of operator 'and' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
960 |
$$ = new IntLiteral({ .value = 0 }); |
961 |
} else if (rhs->exprType() != INT_EXPR) { |
962 |
PARSE_ERR(@3, (String("Right operand of operator 'and' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
963 |
$$ = new IntLiteral({ .value = 0 }); |
964 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
965 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
966 |
$$ = new IntLiteral({ .value = 0 }); |
967 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
968 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
969 |
$$ = new IntLiteral({ .value = 0 }); |
970 |
} else { |
971 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
972 |
PARSE_WRN(@3, "Right operand of 'and' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
973 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
974 |
PARSE_WRN(@1, "Left operand of 'and' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
975 |
$$ = new And(lhs, rhs); |
976 |
} |
977 |
} |
978 |
|
979 |
bitwise_or_expr: |
980 |
bitwise_and_expr |
981 |
| bitwise_or_expr BITWISE_OR bitwise_and_expr { |
982 |
ExpressionRef lhs = $1; |
983 |
ExpressionRef rhs = $3; |
984 |
if (lhs->exprType() != INT_EXPR) { |
985 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
986 |
$$ = new IntLiteral({ .value = 0 }); |
987 |
} else if (rhs->exprType() != INT_EXPR) { |
988 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
989 |
$$ = new IntLiteral({ .value = 0 }); |
990 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
991 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
992 |
$$ = new IntLiteral({ .value = 0 }); |
993 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
994 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
995 |
$$ = new IntLiteral({ .value = 0 }); |
996 |
} else { |
997 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
998 |
PARSE_WRN(@3, "Right operand of '.or.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
999 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1000 |
PARSE_WRN(@1, "Left operand of '.or.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1001 |
$$ = new BitwiseOr(lhs, rhs); |
1002 |
} |
1003 |
} |
1004 |
|
1005 |
bitwise_and_expr: |
1006 |
rel_expr { |
1007 |
$$ = $1; |
1008 |
} |
1009 |
| bitwise_and_expr BITWISE_AND rel_expr { |
1010 |
ExpressionRef lhs = $1; |
1011 |
ExpressionRef rhs = $3; |
1012 |
if (lhs->exprType() != INT_EXPR) { |
1013 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1014 |
$$ = new IntLiteral({ .value = 0 }); |
1015 |
} else if (rhs->exprType() != INT_EXPR) { |
1016 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1017 |
$$ = new IntLiteral({ .value = 0 }); |
1018 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1019 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
1020 |
$$ = new IntLiteral({ .value = 0 }); |
1021 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1022 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
1023 |
$$ = new IntLiteral({ .value = 0 }); |
1024 |
} else { |
1025 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1026 |
PARSE_WRN(@3, "Right operand of '.and.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1027 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1028 |
PARSE_WRN(@1, "Left operand of '.and.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1029 |
$$ = new BitwiseAnd(lhs, rhs); |
1030 |
} |
1031 |
} |
1032 |
|
1033 |
rel_expr: |
1034 |
add_expr |
1035 |
| rel_expr '<' add_expr { |
1036 |
ExpressionRef lhs = $1; |
1037 |
ExpressionRef rhs = $3; |
1038 |
if (!isNumber(lhs->exprType())) { |
1039 |
PARSE_ERR(@1, (String("Left operand of operator '<' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1040 |
$$ = new IntLiteral({ .value = 0 }); |
1041 |
} else if (!isNumber(rhs->exprType())) { |
1042 |
PARSE_ERR(@3, (String("Right operand of operator '<' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1043 |
$$ = new IntLiteral({ .value = 0 }); |
1044 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1045 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1046 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1047 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1048 |
$$ = new IntLiteral({ .value = 0 }); |
1049 |
} else { |
1050 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1051 |
PARSE_WRN(@3, "Right operand of '<' comparison is not 'final', left operand is 'final' though."); |
1052 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1053 |
PARSE_WRN(@1, "Left operand of '<' comparison is not 'final', right operand is 'final' though."); |
1054 |
$$ = new Relation(lhs, Relation::LESS_THAN, rhs); |
1055 |
} |
1056 |
} |
1057 |
| rel_expr '>' add_expr { |
1058 |
ExpressionRef lhs = $1; |
1059 |
ExpressionRef rhs = $3; |
1060 |
if (!isNumber(lhs->exprType())) { |
1061 |
PARSE_ERR(@1, (String("Left operand of operator '>' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1062 |
$$ = new IntLiteral({ .value = 0 }); |
1063 |
} else if (!isNumber(rhs->exprType())) { |
1064 |
PARSE_ERR(@3, (String("Right operand of operator '>' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1065 |
$$ = new IntLiteral({ .value = 0 }); |
1066 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1067 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1068 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1069 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1070 |
$$ = new IntLiteral({ .value = 0 }); |
1071 |
} else { |
1072 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1073 |
PARSE_WRN(@3, "Right operand of '>' comparison is not 'final', left operand is 'final' though."); |
1074 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1075 |
PARSE_WRN(@1, "Left operand of '>' comparison is not 'final', right operand is 'final' though."); |
1076 |
$$ = new Relation(lhs, Relation::GREATER_THAN, rhs); |
1077 |
} |
1078 |
} |
1079 |
| rel_expr LE add_expr { |
1080 |
ExpressionRef lhs = $1; |
1081 |
ExpressionRef rhs = $3; |
1082 |
if (!isNumber(lhs->exprType())) { |
1083 |
PARSE_ERR(@1, (String("Left operand of operator '<=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1084 |
$$ = new IntLiteral({ .value = 0 }); |
1085 |
} else if (!isNumber(rhs->exprType())) { |
1086 |
PARSE_ERR(@3, (String("Right operand of operator '<=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1087 |
$$ = new IntLiteral({ .value = 0 }); |
1088 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1089 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1090 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1091 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1092 |
$$ = new IntLiteral({ .value = 0 }); |
1093 |
} else { |
1094 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1095 |
PARSE_WRN(@3, "Right operand of '<=' comparison is not 'final', left operand is 'final' though."); |
1096 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1097 |
PARSE_WRN(@1, "Left operand of '<=' comparison is not 'final', right operand is 'final' though."); |
1098 |
$$ = new Relation(lhs, Relation::LESS_OR_EQUAL, rhs); |
1099 |
} |
1100 |
} |
1101 |
| rel_expr GE add_expr { |
1102 |
ExpressionRef lhs = $1; |
1103 |
ExpressionRef rhs = $3; |
1104 |
if (!isNumber(lhs->exprType())) { |
1105 |
PARSE_ERR(@1, (String("Left operand of operator '>=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1106 |
$$ = new IntLiteral({ .value = 0 }); |
1107 |
} else if (!isNumber(rhs->exprType())) { |
1108 |
PARSE_ERR(@3, (String("Right operand of operator '>=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1109 |
$$ = new IntLiteral({ .value = 0 }); |
1110 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1111 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1112 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1113 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1114 |
$$ = new IntLiteral({ .value = 0 }); |
1115 |
} else { |
1116 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1117 |
PARSE_WRN(@3, "Right operand of '>=' comparison is not 'final', left operand is 'final' though."); |
1118 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1119 |
PARSE_WRN(@1, "Left operand of '>=' comparison is not 'final', right operand is 'final' though."); |
1120 |
$$ = new Relation(lhs, Relation::GREATER_OR_EQUAL, rhs); |
1121 |
} |
1122 |
} |
1123 |
| rel_expr '=' add_expr { |
1124 |
ExpressionRef lhs = $1; |
1125 |
ExpressionRef rhs = $3; |
1126 |
if (!isNumber(lhs->exprType())) { |
1127 |
PARSE_ERR(@1, (String("Left operand of operator '=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1128 |
$$ = new IntLiteral({ .value = 0 }); |
1129 |
} else if (!isNumber(rhs->exprType())) { |
1130 |
PARSE_ERR(@3, (String("Right operand of operator '=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1131 |
$$ = new IntLiteral({ .value = 0 }); |
1132 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1133 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1134 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1135 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1136 |
$$ = new IntLiteral({ .value = 0 }); |
1137 |
} else { |
1138 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1139 |
PARSE_WRN(@3, "Right operand of '=' comparison is not 'final', left operand is 'final' though."); |
1140 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1141 |
PARSE_WRN(@1, "Left operand of '=' comparison is not 'final', right operand is 'final' though."); |
1142 |
$$ = new Relation(lhs, Relation::EQUAL, rhs); |
1143 |
} |
1144 |
} |
1145 |
| rel_expr '#' add_expr { |
1146 |
ExpressionRef lhs = $1; |
1147 |
ExpressionRef rhs = $3; |
1148 |
if (!isNumber(lhs->exprType())) { |
1149 |
PARSE_ERR(@1, (String("Left operand of operator '#' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1150 |
$$ = new IntLiteral({ .value = 0 }); |
1151 |
} else if (!isNumber(rhs->exprType())) { |
1152 |
PARSE_ERR(@3, (String("Right operand of operator '#' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1153 |
$$ = new IntLiteral({ .value = 0 }); |
1154 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1155 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1156 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1157 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1158 |
$$ = new IntLiteral({ .value = 0 }); |
1159 |
} else { |
1160 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1161 |
PARSE_WRN(@3, "Right operand of '#' comparison is not 'final', left operand is 'final' though."); |
1162 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1163 |
PARSE_WRN(@1, "Left operand of '#' comparison is not 'final', right operand is 'final' though."); |
1164 |
$$ = new Relation(lhs, Relation::NOT_EQUAL, rhs); |
1165 |
} |
1166 |
} |
1167 |
|
1168 |
add_expr: |
1169 |
mul_expr |
1170 |
| add_expr '+' mul_expr { |
1171 |
ExpressionRef lhs = $1; |
1172 |
ExpressionRef rhs = $3; |
1173 |
if (!isNumber(lhs->exprType())) { |
1174 |
PARSE_ERR(@1, (String("Left operand of operator '+' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1175 |
$$ = new IntLiteral({ .value = 0 }); |
1176 |
} else if (!isNumber(rhs->exprType())) { |
1177 |
PARSE_ERR(@1, (String("Right operand of operator '+' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1178 |
$$ = new IntLiteral({ .value = 0 }); |
1179 |
} else if (lhs->exprType() != rhs->exprType()) { |
1180 |
PARSE_ERR(@2, (String("Operands of operator '+' must have same type; left operand is ") + |
1181 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1182 |
$$ = new IntLiteral({ .value = 0 }); |
1183 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1184 |
PARSE_ERR(@2, (String("Operands of '+' operations must have same unit, left operand is ") + |
1185 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1186 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1187 |
$$ = new IntLiteral({ .value = 0 }); |
1188 |
} else { |
1189 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1190 |
PARSE_WRN(@3, "Right operand of '+' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1191 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1192 |
PARSE_WRN(@1, "Left operand of '+' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1193 |
$$ = new Add(lhs,rhs); |
1194 |
} |
1195 |
} |
1196 |
| add_expr '-' mul_expr { |
1197 |
ExpressionRef lhs = $1; |
1198 |
ExpressionRef rhs = $3; |
1199 |
if (!isNumber(lhs->exprType())) { |
1200 |
PARSE_ERR(@1, (String("Left operand of operator '-' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1201 |
$$ = new IntLiteral({ .value = 0 }); |
1202 |
} else if (!isNumber(rhs->exprType())) { |
1203 |
PARSE_ERR(@1, (String("Right operand of operator '-' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1204 |
$$ = new IntLiteral({ .value = 0 }); |
1205 |
} else if (lhs->exprType() != rhs->exprType()) { |
1206 |
PARSE_ERR(@2, (String("Operands of operator '-' must have same type; left operand is ") + |
1207 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1208 |
$$ = new IntLiteral({ .value = 0 }); |
1209 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1210 |
PARSE_ERR(@2, (String("Operands of '-' operations must have same unit, left operand is ") + |
1211 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1212 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1213 |
$$ = new IntLiteral({ .value = 0 }); |
1214 |
} else { |
1215 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1216 |
PARSE_WRN(@3, "Right operand of '-' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1217 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1218 |
PARSE_WRN(@1, "Left operand of '-' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1219 |
$$ = new Sub(lhs,rhs); |
1220 |
} |
1221 |
} |
1222 |
|
1223 |
mul_expr: |
1224 |
unary_expr |
1225 |
| mul_expr '*' unary_expr { |
1226 |
ExpressionRef lhs = $1; |
1227 |
ExpressionRef rhs = $3; |
1228 |
if (!isNumber(lhs->exprType())) { |
1229 |
PARSE_ERR(@1, (String("Left operand of operator '*' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1230 |
$$ = new IntLiteral({ .value = 0 }); |
1231 |
} else if (!isNumber(rhs->exprType())) { |
1232 |
PARSE_ERR(@1, (String("Right operand of operator '*' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1233 |
$$ = new IntLiteral({ .value = 0 }); |
1234 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1235 |
PARSE_ERR(@2, (String("Only one operand of operator '*' may have a unit type, left operand is ") + |
1236 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1237 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1238 |
$$ = new IntLiteral({ .value = 0 }); |
1239 |
} else if (lhs->exprType() != rhs->exprType()) { |
1240 |
PARSE_ERR(@2, (String("Operands of operator '*' must have same type; left operand is ") + |
1241 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1242 |
$$ = new IntLiteral({ .value = 0 }); |
1243 |
} else { |
1244 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1245 |
PARSE_WRN(@3, "Right operand of '*' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1246 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1247 |
PARSE_WRN(@1, "Left operand of '*' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1248 |
$$ = new Mul(lhs,rhs); |
1249 |
} |
1250 |
} |
1251 |
| mul_expr '/' unary_expr { |
1252 |
ExpressionRef lhs = $1; |
1253 |
ExpressionRef rhs = $3; |
1254 |
if (!isNumber(lhs->exprType())) { |
1255 |
PARSE_ERR(@1, (String("Left operand of operator '/' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1256 |
$$ = new IntLiteral({ .value = 0 }); |
1257 |
} else if (!isNumber(rhs->exprType())) { |
1258 |
PARSE_ERR(@1, (String("Right operand of operator '/' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1259 |
$$ = new IntLiteral({ .value = 0 }); |
1260 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType() && |
1261 |
lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) |
1262 |
{ |
1263 |
PARSE_ERR(@2, (String("Operands of operator '/' with two different unit types, left operand is ") + |
1264 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1265 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1266 |
$$ = new IntLiteral({ .value = 0 }); |
1267 |
} else if (!lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1268 |
PARSE_ERR(@3, ("Dividing left operand without any unit type by right operand with unit type (" + |
1269 |
unitTypeStr(rhs->asNumber()->unitType()) + ") is not possible.").c_str()); |
1270 |
$$ = new IntLiteral({ .value = 0 }); |
1271 |
} else if (lhs->exprType() != rhs->exprType()) { |
1272 |
PARSE_ERR(@2, (String("Operands of operator '/' must have same type; left operand is ") + |
1273 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1274 |
$$ = new IntLiteral({ .value = 0 }); |
1275 |
} else { |
1276 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1277 |
PARSE_WRN(@3, "Right operand of '/' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1278 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1279 |
PARSE_WRN(@1, "Left operand of '/' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1280 |
$$ = new Div(lhs,rhs); |
1281 |
} |
1282 |
} |
1283 |
| mul_expr MOD unary_expr { |
1284 |
ExpressionRef lhs = $1; |
1285 |
ExpressionRef rhs = $3; |
1286 |
if (lhs->exprType() != INT_EXPR) { |
1287 |
PARSE_ERR(@1, (String("Left operand of modulo operator must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1288 |
$$ = new IntLiteral({ .value = 0 }); |
1289 |
} else if (rhs->exprType() != INT_EXPR) { |
1290 |
PARSE_ERR(@3, (String("Right operand of modulo operator must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1291 |
$$ = new IntLiteral({ .value = 0 }); |
1292 |
} else { |
1293 |
if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) |
1294 |
PARSE_ERR(@1, "Operands of modulo operator must not use any unit."); |
1295 |
if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) |
1296 |
PARSE_ERR(@3, "Operands of modulo operator must not use any unit."); |
1297 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1298 |
PARSE_WRN(@3, "Right operand of 'mod' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1299 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1300 |
PARSE_WRN(@1, "Left operand of 'mod' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1301 |
$$ = new Mod(lhs,rhs); |
1302 |
} |
1303 |
} |
1304 |
|
1305 |
%% |
1306 |
|
1307 |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err) { |
1308 |
//fprintf(stderr, "%d: %s\n", locp->first_line, err); |
1309 |
context->addErr(locp->first_line, locp->last_line, locp->first_column+1, |
1310 |
locp->last_column+1, locp->first_byte, locp->length_bytes, |
1311 |
err); |
1312 |
} |
1313 |
|
1314 |
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt) { |
1315 |
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
1316 |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, |
1317 |
locp->last_column+1, locp->first_byte, locp->length_bytes, |
1318 |
txt); |
1319 |
} |
1320 |
|
1321 |
/// Custom implementation of yytnamerr() to ensure quotation is always stripped from token names before printing them to error messages. |
1322 |
int InstrScript_tnamerr(char* yyres, const char* yystr) { |
1323 |
if (*yystr == '"') { |
1324 |
int yyn = 0; |
1325 |
char const *yyp = yystr; |
1326 |
for (;;) |
1327 |
switch (*++yyp) |
1328 |
{ |
1329 |
/* |
1330 |
case '\'': |
1331 |
case ',': |
1332 |
goto do_not_strip_quotes; |
1333 |
|
1334 |
case '\\': |
1335 |
if (*++yyp != '\\') |
1336 |
goto do_not_strip_quotes; |
1337 |
*/ |
1338 |
/* Fall through. */ |
1339 |
default: |
1340 |
if (yyres) |
1341 |
yyres[yyn] = *yyp; |
1342 |
yyn++; |
1343 |
break; |
1344 |
|
1345 |
case '"': |
1346 |
if (yyres) |
1347 |
yyres[yyn] = '\0'; |
1348 |
return yyn; |
1349 |
} |
1350 |
/* |
1351 |
do_not_strip_quotes: ; |
1352 |
*/ |
1353 |
} |
1354 |
|
1355 |
if (! yyres) |
1356 |
return (int) yystrlen (yystr); |
1357 |
|
1358 |
return int( yystpcpy (yyres, yystr) - yyres ); |
1359 |
} |