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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 CODE_BLOCK(loc) { \ |
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.firstLine = loc.first_line, .lastLine = loc.last_line, \ |
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.firstColumn = loc.first_column+1, .lastColumn = loc.last_column+1, \ |
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.firstByte = loc.first_byte, .lengthBytes = loc.length_bytes \ |
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} |
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#define ASSIGNED_EXPR_BLOCK(loc) { \ |
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.firstLine = loc.first_line, .lastLine = loc.last_line, \ |
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.firstColumn = loc.first_column+3, .lastColumn = loc.last_column+1, \ |
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.firstByte = loc.first_byte+2, .lengthBytes = loc.length_bytes-2 \ |
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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 PATCH "keyword 'patch'" |
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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 opt_expr |
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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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$$ = context->handlers = $1; |
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} |
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|
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sections: |
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section { |
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$$ = 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; |
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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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$$ = context->onController; |
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} |
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| ON RPN opt_statements END ON { |
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if (context->onRpn) |
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PARSE_ERR(@2, "Redeclaration of 'rpn' event handler."); |
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context->onRpn = new OnRpn($3); |
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$$ = 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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$$ = context->onNrpn; |
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} |
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|
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function_declaration: |
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FUNCTION IDENTIFIER opt_statements END FUNCTION { |
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const char* name = $2; |
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if (context->functionProvider->functionByName(name)) { |
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PARSE_ERR(@2, (String("There is already a built-in function with name '") + name + "'.").c_str()); |
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} else if (context->userFunctionByName(name)) { |
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PARSE_ERR(@2, (String("There is already a user defined function with name '") + name + "'.").c_str()); |
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} else { |
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context->userFnTable[name] = new UserFunction($3); |
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} |
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} |
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|
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opt_statements: |
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/* epsilon (empty argument) */ { |
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$$ = 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; |
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const bool qPolyphonic = $2 & QUALIFIER_POLYPHONIC; |
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const bool qPatch = $2 & QUALIFIER_PATCH; |
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const char* name = $3; |
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ExpressionRef expr = $4; |
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//printf("declared var '%s'\n", name); |
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const ExprType_t declType = exprTypeOfVarName(name); |
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if (qPatch) |
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context->patchVars[name].nameBlock = CODE_BLOCK(@3); |
226 |
if (context->variableByName(name)) { |
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PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
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} else if (qConst && !expr) { |
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PARSE_ERR(@2, (String("Variable '") + name + "' declared const without value assignment.").c_str()); |
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} else if (qConst && qPolyphonic) { |
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PARSE_ERR(@2, (String("Variable '") + name + "' must not be declared both const and polyphonic.").c_str()); |
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} else { |
233 |
if (!expr) { |
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if (qPolyphonic) { |
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if (name[0] != '$' && name[0] != '~') { |
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PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
237 |
} else if (name[0] == '~') { |
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context->vartable[name] = new PolyphonicRealVariable({ |
239 |
.ctx = context |
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}); |
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} else { |
242 |
context->vartable[name] = new PolyphonicIntVariable({ |
243 |
.ctx = context |
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}); |
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} |
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} else { |
247 |
if (name[0] == '@') { |
248 |
context->vartable[name] = new StringVariable(context); |
249 |
} else if (name[0] == '~') { |
250 |
context->vartable[name] = new RealVariable({ |
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.ctx = context |
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}); |
253 |
} else if (name[0] == '$') { |
254 |
context->vartable[name] = new IntVariable({ |
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.ctx = context |
256 |
}); |
257 |
} else if (name[0] == '?') { |
258 |
PARSE_ERR(@3, (String("Real number array variable '") + name + "' declaration requires array size.").c_str()); |
259 |
} else if (name[0] == '%') { |
260 |
PARSE_ERR(@3, (String("Integer array variable '") + name + "' declaration requires array size.").c_str()); |
261 |
} else { |
262 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared with unknown type.").c_str()); |
263 |
} |
264 |
} |
265 |
} else { |
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if (qPatch) |
267 |
context->patchVars[name].exprBlock = ASSIGNED_EXPR_BLOCK(@4); |
268 |
if (qPolyphonic && !isNumber(expr->exprType())) { |
269 |
PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
270 |
} else if (expr->exprType() == STRING_EXPR) { |
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if (name[0] != '@') |
272 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", string expression assigned though.").c_str()); |
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StringExprRef strExpr = expr; |
274 |
String s; |
275 |
if (qConst) { |
276 |
if (strExpr->isConstExpr()) |
277 |
s = strExpr->evalStr(); |
278 |
else |
279 |
PARSE_ERR(@4, (String("Assignment to const string variable '") + name + "' requires const expression.").c_str()); |
280 |
ConstStringVariableRef var = new ConstStringVariable(context, s); |
281 |
context->vartable[name] = var; |
282 |
} else { |
283 |
if (strExpr->isConstExpr()) { |
284 |
s = strExpr->evalStr(); |
285 |
StringVariableRef var = new StringVariable(context); |
286 |
context->vartable[name] = var; |
287 |
$$ = new Assignment(var, new StringLiteral(s)); |
288 |
} else { |
289 |
StringVariableRef var = new StringVariable(context); |
290 |
context->vartable[name] = var; |
291 |
$$ = new Assignment(var, strExpr); |
292 |
} |
293 |
} |
294 |
} else if (expr->exprType() == REAL_EXPR) { |
295 |
if (name[0] != '~') |
296 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", real number expression assigned though.").c_str()); |
297 |
RealExprRef realExpr = expr; |
298 |
if (qConst) { |
299 |
if (!realExpr->isConstExpr()) { |
300 |
PARSE_ERR(@4, (String("Assignment to const real number variable '") + name + "' requires const expression.").c_str()); |
301 |
} |
302 |
ConstRealVariableRef var = new ConstRealVariable( |
303 |
#if defined(__GNUC__) && !defined(__clang__) |
304 |
(const RealVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
305 |
#endif |
306 |
{ |
307 |
.value = (realExpr->isConstExpr()) ? realExpr->evalReal() : vmfloat(0), |
308 |
.unitFactor = (realExpr->isConstExpr()) ? realExpr->unitFactor() : VM_NO_FACTOR, |
309 |
.unitType = realExpr->unitType(), |
310 |
.isFinal = realExpr->isFinal() |
311 |
}); |
312 |
context->vartable[name] = var; |
313 |
} else { |
314 |
RealVariableRef var = new RealVariable({ |
315 |
.ctx = context, |
316 |
.unitType = realExpr->unitType(), |
317 |
.isFinal = realExpr->isFinal() |
318 |
}); |
319 |
if (realExpr->isConstExpr()) { |
320 |
$$ = new Assignment(var, new RealLiteral({ |
321 |
.value = realExpr->evalReal(), |
322 |
.unitFactor = realExpr->unitFactor(), |
323 |
.unitType = realExpr->unitType(), |
324 |
.isFinal = realExpr->isFinal() |
325 |
})); |
326 |
} else { |
327 |
$$ = new Assignment(var, realExpr); |
328 |
} |
329 |
context->vartable[name] = var; |
330 |
} |
331 |
} else if (expr->exprType() == INT_EXPR) { |
332 |
if (name[0] != '$') |
333 |
PARSE_WRN(@3, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", integer expression assigned though.").c_str()); |
334 |
IntExprRef intExpr = expr; |
335 |
if (qConst) { |
336 |
if (!intExpr->isConstExpr()) { |
337 |
PARSE_ERR(@4, (String("Assignment to const integer variable '") + name + "' requires const expression.").c_str()); |
338 |
} |
339 |
ConstIntVariableRef var = new ConstIntVariable( |
340 |
#if defined(__GNUC__) && !defined(__clang__) |
341 |
(const IntVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
342 |
#endif |
343 |
{ |
344 |
.value = (intExpr->isConstExpr()) ? intExpr->evalInt() : 0, |
345 |
.unitFactor = (intExpr->isConstExpr()) ? intExpr->unitFactor() : VM_NO_FACTOR, |
346 |
.unitType = intExpr->unitType(), |
347 |
.isFinal = intExpr->isFinal() |
348 |
}); |
349 |
context->vartable[name] = var; |
350 |
} else { |
351 |
IntVariableRef var = new IntVariable({ |
352 |
.ctx = context, |
353 |
.unitType = intExpr->unitType(), |
354 |
.isFinal = intExpr->isFinal() |
355 |
}); |
356 |
if (intExpr->isConstExpr()) { |
357 |
$$ = new Assignment(var, new IntLiteral({ |
358 |
.value = intExpr->evalInt(), |
359 |
.unitFactor = intExpr->unitFactor(), |
360 |
.unitType = intExpr->unitType(), |
361 |
.isFinal = intExpr->isFinal() |
362 |
})); |
363 |
} else { |
364 |
$$ = new Assignment(var, intExpr); |
365 |
} |
366 |
context->vartable[name] = var; |
367 |
} |
368 |
} else if (expr->exprType() == EMPTY_EXPR) { |
369 |
PARSE_ERR(@4, "Expression does not result in a value."); |
370 |
$$ = new NoOperation; |
371 |
} else if (isArray(expr->exprType())) { |
372 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as scalar type, array expression assigned though.").c_str()); |
373 |
$$ = new NoOperation; |
374 |
} |
375 |
} |
376 |
} |
377 |
} |
378 |
| DECLARE opt_qualifiers VARIABLE '[' opt_expr ']' opt_arr_assignment { |
379 |
$$ = new NoOperation; // just as default result value |
380 |
const bool qConst = $2 & QUALIFIER_CONST; |
381 |
const bool qPolyphonic = $2 & QUALIFIER_POLYPHONIC; |
382 |
const bool qPatch = $2 & QUALIFIER_PATCH; |
383 |
const char* name = $3; |
384 |
if (qPatch) |
385 |
context->patchVars[name].nameBlock = CODE_BLOCK(@3); |
386 |
if ($5 && !$5->isConstExpr()) { |
387 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
388 |
} else if ($5 && $5->exprType() != INT_EXPR) { |
389 |
PARSE_ERR(@5, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
390 |
} else if (context->variableByName(name)) { |
391 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
392 |
} else if (qConst && !$7) { |
393 |
PARSE_ERR(@2, (String("Array variable '") + name + "' declared const without value assignment.").c_str()); |
394 |
} else if (qPolyphonic) { |
395 |
PARSE_ERR(@2, (String("Array variable '") + name + "' must not be declared polyphonic.").c_str()); |
396 |
} else { |
397 |
IntExprRef sizeExpr = $5; |
398 |
ArgsRef args = $7; |
399 |
vmint size = (sizeExpr) ? sizeExpr->evalInt() : (args) ? args->argsCount() : 0; |
400 |
if (size == 0) |
401 |
PARSE_WRN(@5, (String("Array variable '") + name + "' declared with zero array size.").c_str()); |
402 |
if (size < 0) { |
403 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must not be declared with negative array size.").c_str()); |
404 |
} else if (sizeExpr && (sizeExpr->unitType() || sizeExpr->hasUnitFactorNow())) { |
405 |
PARSE_ERR(@5, "Units are not allowed as array size."); |
406 |
} else { |
407 |
if (sizeExpr && sizeExpr->isFinal()) |
408 |
PARSE_WRN(@5, "Final operator '!' is meaningless here."); |
409 |
if (!args) { |
410 |
if (name[0] == '?') { |
411 |
context->vartable[name] = new RealArrayVariable(context, size); |
412 |
} else if (name[0] == '%') { |
413 |
context->vartable[name] = new IntArrayVariable(context, size); |
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 |
} else { |
418 |
if (qPatch) |
419 |
context->patchVars[name].exprBlock = ASSIGNED_EXPR_BLOCK(@7); |
420 |
if (size == 0) |
421 |
PARSE_WRN(@5, (String("Array variable '") + name + "' declared with zero array size.").c_str()); |
422 |
if (size < 0) { |
423 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must not be declared with negative array size.").c_str()); |
424 |
} else if (args->argsCount() > size) { |
425 |
PARSE_ERR(@7, (String("Array variable '") + name + |
426 |
"' was declared with size " + ToString(size) + |
427 |
" but " + ToString(args->argsCount()) + |
428 |
" values were assigned." ).c_str()); |
429 |
} else { |
430 |
if (args->argsCount() < size) { |
431 |
PARSE_WRN(@5, (String("Array variable '") + name + |
432 |
"' was declared with size " + ToString(size) + |
433 |
" but only " + ToString(args->argsCount()) + |
434 |
" values were assigned." ).c_str()); |
435 |
} |
436 |
ExprType_t declType = EMPTY_EXPR; |
437 |
if (name[0] == '%') { |
438 |
declType = INT_EXPR; |
439 |
} else if (name[0] == '?') { |
440 |
declType = REAL_EXPR; |
441 |
} else if (name[0] == '$') { |
442 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '%' as name prefix for integer arrays instead of '$'.").c_str()); |
443 |
} else if (name[0] == '~') { |
444 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '?' as name prefix for real number arrays instead of '~'.").c_str()); |
445 |
} else { |
446 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
447 |
} |
448 |
bool argsOK = true; |
449 |
if (declType == EMPTY_EXPR) { |
450 |
argsOK = false; |
451 |
} else { |
452 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
453 |
if (args->arg(i)->exprType() != declType) { |
454 |
PARSE_ERR( |
455 |
@7, |
456 |
(String("Array variable '") + name + |
457 |
"' declared with invalid assignment values. Assigned element " + |
458 |
ToString(i+1) + " is not an " + typeStr(declType) + " expression.").c_str() |
459 |
); |
460 |
argsOK = false; |
461 |
break; |
462 |
} else if (qConst && !args->arg(i)->isConstExpr()) { |
463 |
PARSE_ERR( |
464 |
@7, |
465 |
(String("const array variable '") + name + |
466 |
"' must be defined with const values. Assigned element " + |
467 |
ToString(i+1) + " is not a const expression though.").c_str() |
468 |
); |
469 |
argsOK = false; |
470 |
break; |
471 |
} else if (args->arg(i)->asNumber()->unitType()) { |
472 |
PARSE_ERR( |
473 |
@7, |
474 |
(String("Array variable '") + name + |
475 |
"' declared with invalid assignment values. Assigned element " + |
476 |
ToString(i+1) + " contains a unit type, only metric prefixes are allowed for arrays.").c_str() |
477 |
); |
478 |
argsOK = false; |
479 |
break; |
480 |
} else if (args->arg(i)->asNumber()->isFinal()) { |
481 |
PARSE_ERR( |
482 |
@7, |
483 |
(String("Array variable '") + name + |
484 |
"' declared with invalid assignment values. Assigned element " + |
485 |
ToString(i+1) + " declared as 'final' value.").c_str() |
486 |
); |
487 |
argsOK = false; |
488 |
break; |
489 |
} |
490 |
} |
491 |
} |
492 |
if (argsOK) { |
493 |
if (declType == REAL_EXPR) |
494 |
context->vartable[name] = new RealArrayVariable(context, size, args, qConst); |
495 |
else |
496 |
context->vartable[name] = new IntArrayVariable(context, size, args, qConst); |
497 |
} |
498 |
} |
499 |
} |
500 |
} |
501 |
} |
502 |
} |
503 |
| assignment { |
504 |
$$ = $1; |
505 |
} |
506 |
| WHILE '(' expr ')' opt_statements END WHILE { |
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 'while' loops contains a unit."); |
512 |
else if (expr->isFinal() && expr->isConstExpr()) |
513 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
514 |
$$ = new While(expr, $5); |
515 |
} else { |
516 |
PARSE_ERR(@3, "Condition for 'while' loops must be integer expression."); |
517 |
$$ = new While(new IntLiteral({ .value = 0 }), $5); |
518 |
} |
519 |
} |
520 |
| SYNCHRONIZED opt_statements END SYNCHRONIZED { |
521 |
$$ = new SyncBlock($2); |
522 |
} |
523 |
| IF '(' expr ')' opt_statements ELSE opt_statements END IF { |
524 |
if ($3->exprType() == INT_EXPR) { |
525 |
IntExprRef expr = $3; |
526 |
if (expr->asNumber()->unitType() || |
527 |
expr->asNumber()->hasUnitFactorEver()) |
528 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
529 |
else if (expr->isFinal() && expr->isConstExpr()) |
530 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
531 |
$$ = new If($3, $5, $7); |
532 |
} else { |
533 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
534 |
$$ = new If(new IntLiteral({ .value = 0 }), $5, $7); |
535 |
} |
536 |
} |
537 |
| IF '(' expr ')' opt_statements END IF { |
538 |
if ($3->exprType() == INT_EXPR) { |
539 |
IntExprRef expr = $3; |
540 |
if (expr->asNumber()->unitType() || |
541 |
expr->asNumber()->hasUnitFactorEver()) |
542 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
543 |
else if (expr->isFinal() && expr->isConstExpr()) |
544 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
545 |
$$ = new If($3, $5); |
546 |
} else { |
547 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
548 |
$$ = new If(new IntLiteral({ .value = 0 }), $5); |
549 |
} |
550 |
} |
551 |
| SELECT expr caseclauses END SELECT { |
552 |
if ($2->exprType() == INT_EXPR) { |
553 |
IntExprRef expr = $2; |
554 |
if (expr->unitType() || expr->hasUnitFactorEver()) { |
555 |
PARSE_ERR(@2, "Units are not allowed here."); |
556 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
557 |
} else { |
558 |
if (expr->isFinal() && expr->isConstExpr()) |
559 |
PARSE_WRN(@2, "Final operator '!' is meaningless here."); |
560 |
$$ = new SelectCase(expr, $3); |
561 |
} |
562 |
} else { |
563 |
PARSE_ERR(@2, "Statement 'select' can only by applied to integer expressions."); |
564 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
565 |
} |
566 |
} |
567 |
|
568 |
caseclauses: |
569 |
caseclause { |
570 |
$$ = CaseBranches(); |
571 |
$$.push_back($1); |
572 |
} |
573 |
| caseclauses caseclause { |
574 |
$$ = $1; |
575 |
$$.push_back($2); |
576 |
} |
577 |
|
578 |
caseclause: |
579 |
CASE INTEGER opt_statements { |
580 |
$$ = CaseBranch(); |
581 |
$$.from = new IntLiteral({ .value = $2 }); |
582 |
$$.statements = $3; |
583 |
} |
584 |
| CASE INTEGER TO INTEGER opt_statements { |
585 |
$$ = CaseBranch(); |
586 |
$$.from = new IntLiteral({ .value = $2 }); |
587 |
$$.to = new IntLiteral({ .value = $4 }); |
588 |
$$.statements = $5; |
589 |
} |
590 |
|
591 |
userfunctioncall: |
592 |
CALL IDENTIFIER { |
593 |
const char* name = $2; |
594 |
UserFunctionRef fn = context->userFunctionByName(name); |
595 |
if (context->functionProvider->functionByName(name)) { |
596 |
PARSE_ERR(@1, (String("Keyword 'call' must only be used for user defined functions, not for any built-in function like '") + name + "'.").c_str()); |
597 |
$$ = StatementsRef(); |
598 |
} else if (!fn) { |
599 |
PARSE_ERR(@2, (String("No user defined function with name '") + name + "'.").c_str()); |
600 |
$$ = StatementsRef(); |
601 |
} else { |
602 |
$$ = fn; |
603 |
} |
604 |
} |
605 |
|
606 |
functioncall: |
607 |
IDENTIFIER '(' args ')' { |
608 |
const char* name = $1; |
609 |
//printf("function call of '%s' with args\n", name); |
610 |
ArgsRef args = $3; |
611 |
VMFunction* fn = context->functionProvider->functionByName(name); |
612 |
if (context->userFunctionByName(name)) { |
613 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
614 |
$$ = new FunctionCall(name, args, NULL); |
615 |
} else if (!fn) { |
616 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
617 |
$$ = new FunctionCall(name, args, NULL); |
618 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
619 |
PARSE_DROP(@$); |
620 |
$$ = new NoFunctionCall; |
621 |
} else if (args->argsCount() < fn->minRequiredArgs()) { |
622 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
623 |
$$ = new FunctionCall(name, args, NULL); |
624 |
} else if (args->argsCount() > fn->maxAllowedArgs()) { |
625 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' accepts max. " + ToString(fn->maxAllowedArgs()) + " arguments.").c_str()); |
626 |
$$ = new FunctionCall(name, args, NULL); |
627 |
} else { |
628 |
bool argsOK = true; |
629 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
630 |
if (!fn->acceptsArgType(i, args->arg(i)->exprType())) { |
631 |
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()); |
632 |
argsOK = false; |
633 |
break; |
634 |
} else if (fn->modifiesArg(i) && !args->arg(i)->isModifyable()) { |
635 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects an assignable variable.").c_str()); |
636 |
argsOK = false; |
637 |
break; |
638 |
} else if (isNumber(args->arg(i)->exprType()) && !fn->acceptsArgUnitType(i, args->arg(i)->asNumber()->unitType())) { |
639 |
if (args->arg(i)->asNumber()->unitType()) |
640 |
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()); |
641 |
else |
642 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects a unit.").c_str()); |
643 |
argsOK = false; |
644 |
break; |
645 |
} else if (isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->hasUnitFactorEver() && !fn->acceptsArgUnitPrefix(i, args->arg(i)->asNumber()->unitType())) { |
646 |
if (args->arg(i)->asNumber()->unitType()) |
647 |
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()); |
648 |
else |
649 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a unit prefix.").c_str()); |
650 |
argsOK = false; |
651 |
break; |
652 |
} else if (!fn->acceptsArgFinal(i) && isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->isFinal()) { |
653 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a \"final\" value.").c_str()); |
654 |
argsOK = false; |
655 |
break; |
656 |
} |
657 |
} |
658 |
if (argsOK) { |
659 |
// perform built-in function's own, custom arguments checks (if any) |
660 |
fn->checkArgs(&*args, [&](String err) { |
661 |
PARSE_ERR(@3, (String("Built-in function '") + name + "()': " + err).c_str()); |
662 |
argsOK = false; |
663 |
}, [&](String wrn) { |
664 |
PARSE_WRN(@3, (String("Built-in function '") + name + "()': " + wrn).c_str()); |
665 |
}); |
666 |
} |
667 |
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
668 |
} |
669 |
} |
670 |
| IDENTIFIER '(' ')' { |
671 |
const char* name = $1; |
672 |
//printf("function call of '%s' (with empty args)\n", name); |
673 |
ArgsRef args = new Args; |
674 |
VMFunction* fn = context->functionProvider->functionByName(name); |
675 |
if (context->userFunctionByName(name)) { |
676 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
677 |
$$ = new FunctionCall(name, args, NULL); |
678 |
} else if (!fn) { |
679 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
680 |
$$ = new FunctionCall(name, args, NULL); |
681 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
682 |
PARSE_DROP(@$); |
683 |
$$ = new NoFunctionCall; |
684 |
} else if (fn->minRequiredArgs() > 0) { |
685 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
686 |
$$ = new FunctionCall(name, args, NULL); |
687 |
} else { |
688 |
$$ = new FunctionCall(name, args, fn); |
689 |
} |
690 |
} |
691 |
| IDENTIFIER { |
692 |
const char* name = $1; |
693 |
//printf("function call of '%s' (without args)\n", name); |
694 |
ArgsRef args = new Args; |
695 |
VMFunction* fn = context->functionProvider->functionByName(name); |
696 |
if (context->userFunctionByName(name)) { |
697 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
698 |
$$ = new FunctionCall(name, args, NULL); |
699 |
} else if (!fn) { |
700 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
701 |
$$ = new FunctionCall(name, args, NULL); |
702 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
703 |
PARSE_DROP(@$); |
704 |
$$ = new NoFunctionCall; |
705 |
} else if (fn->minRequiredArgs() > 0) { |
706 |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
707 |
$$ = new FunctionCall(name, args, NULL); |
708 |
} else { |
709 |
$$ = new FunctionCall(name, args, fn); |
710 |
} |
711 |
} |
712 |
|
713 |
args: |
714 |
arg { |
715 |
$$ = new Args(); |
716 |
$$->add($1); |
717 |
} |
718 |
| args ',' arg { |
719 |
$$ = $1; |
720 |
$$->add($3); |
721 |
} |
722 |
|
723 |
arg: |
724 |
expr |
725 |
|
726 |
opt_qualifiers: |
727 |
/* epsilon (empty argument) */ { |
728 |
$$ = QUALIFIER_NONE; |
729 |
} |
730 |
| qualifiers { |
731 |
$$ = $1; |
732 |
} |
733 |
|
734 |
qualifiers: |
735 |
qualifier { |
736 |
$$ = $1; |
737 |
} |
738 |
| qualifiers qualifier { |
739 |
if ($1 & $2) |
740 |
PARSE_ERR(@2, ("Qualifier '" + qualifierStr($2) + "' must only be listed once.").c_str()); |
741 |
$$ = (Qualifier_t) ($1 | $2); |
742 |
} |
743 |
|
744 |
qualifier: |
745 |
CONST_ { |
746 |
$$ = QUALIFIER_CONST; |
747 |
} |
748 |
| POLYPHONIC { |
749 |
$$ = QUALIFIER_POLYPHONIC; |
750 |
} |
751 |
| PATCH { |
752 |
$$ = QUALIFIER_PATCH; |
753 |
} |
754 |
|
755 |
opt_assignment: |
756 |
/* epsilon (empty argument) */ { |
757 |
$$ = ExpressionRef(); |
758 |
} |
759 |
| ASSIGNMENT expr { |
760 |
$$ = $2; |
761 |
} |
762 |
|
763 |
opt_arr_assignment: |
764 |
/* epsilon (empty argument) */ { |
765 |
$$ = ArgsRef(); |
766 |
} |
767 |
| ASSIGNMENT '(' args ')' { |
768 |
$$ = $3; |
769 |
} |
770 |
|
771 |
assignment: |
772 |
VARIABLE ASSIGNMENT expr { |
773 |
//printf("variable lookup with name '%s' as assignment expr\n", $1); |
774 |
const char* name = $1; |
775 |
VariableRef var = context->variableByName(name); |
776 |
if (!var) |
777 |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
778 |
else if (var->isConstExpr()) |
779 |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
780 |
else if (!var->isAssignable()) |
781 |
PARSE_ERR(@2, (String("Variable assignment: Variable '") + name + "' is not assignable.").c_str()); |
782 |
else if (var->exprType() != $3->exprType()) |
783 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
784 |
else if (isNumber(var->exprType())) { |
785 |
NumberVariableRef numberVar = var; |
786 |
NumberExprRef expr = $3; |
787 |
if (numberVar->unitType() != expr->unitType()) |
788 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' has unit type " + unitTypeStr(numberVar->unitType()) + ", assignment has unit type " + unitTypeStr(expr->unitType()) + " though.").c_str()); |
789 |
else if (numberVar->isFinal() != expr->isFinal()) |
790 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' was declared as " + String(numberVar->isFinal() ? "final" : "not final") + ", assignment is " + String(expr->isFinal() ? "final" : "not final") + " though.").c_str()); |
791 |
} |
792 |
|
793 |
if (var) |
794 |
$$ = new Assignment(var, $3); |
795 |
else |
796 |
$$ = new NoOperation; |
797 |
} |
798 |
| VARIABLE '[' expr ']' ASSIGNMENT expr { |
799 |
const char* name = $1; |
800 |
VariableRef var = context->variableByName(name); |
801 |
if (!var) |
802 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
803 |
else if (!isArray(var->exprType())) |
804 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
805 |
else if (var->isConstExpr()) |
806 |
PARSE_ERR(@5, (String("Variable assignment: Cannot modify const array variable '") + name + "'.").c_str()); |
807 |
else if (!var->isAssignable()) |
808 |
PARSE_ERR(@5, (String("Variable assignment: Array variable '") + name + "' is not assignable.").c_str()); |
809 |
else if ($3->exprType() != INT_EXPR) |
810 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
811 |
else if ($3->asInt()->unitType()) |
812 |
PARSE_ERR(@3, "Unit types are not allowed as array index."); |
813 |
else if ($6->exprType() != scalarTypeOfArray(var->exprType())) |
814 |
PARSE_ERR(@5, (String("Variable '") + name + "' was declared as " + typeStr(var->exprType()) + ", assigned expression is " + typeStr($6->exprType()) + " though.").c_str()); |
815 |
else if ($6->asNumber()->unitType()) |
816 |
PARSE_ERR(@6, "Unit types are not allowed for array variables."); |
817 |
else if ($6->asNumber()->isFinal()) |
818 |
PARSE_ERR(@6, "Final operator '!' not allowed for array variables."); |
819 |
else if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
820 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
821 |
" exceeds size of array variable '" + name + |
822 |
"' which was declared with size " + |
823 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
824 |
else if ($3->asInt()->isFinal()) |
825 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
826 |
|
827 |
if (!var) { |
828 |
$$ = new NoOperation; |
829 |
} else if (var->exprType() == INT_ARR_EXPR) { |
830 |
IntArrayElementRef element = new IntArrayElement(var, $3); |
831 |
$$ = new Assignment(element, $6); |
832 |
} else if (var->exprType() == REAL_ARR_EXPR) { |
833 |
RealArrayElementRef element = new RealArrayElement(var, $3); |
834 |
$$ = new Assignment(element, $6); |
835 |
} |
836 |
} |
837 |
|
838 |
unary_expr: |
839 |
INTEGER { |
840 |
$$ = new IntLiteral({ .value = $1 }); |
841 |
} |
842 |
| REAL { |
843 |
$$ = new RealLiteral({ .value = $1 }); |
844 |
} |
845 |
| INTEGER_UNIT { |
846 |
IntLiteralRef literal = new IntLiteral({ |
847 |
.value = $1.iValue, |
848 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
849 |
.unitType = $1.unit |
850 |
}); |
851 |
$$ = literal; |
852 |
} |
853 |
| REAL_UNIT { |
854 |
RealLiteralRef literal = new RealLiteral({ |
855 |
.value = $1.fValue, |
856 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
857 |
.unitType = $1.unit |
858 |
}); |
859 |
$$ = literal; |
860 |
} |
861 |
| STRING { |
862 |
$$ = new StringLiteral($1); |
863 |
} |
864 |
| VARIABLE { |
865 |
//printf("variable lookup with name '%s' as unary expr\n", $1); |
866 |
VariableRef var = context->variableByName($1); |
867 |
if (var) |
868 |
$$ = var; |
869 |
else { |
870 |
PARSE_ERR(@1, (String("No variable declared with name '") + $1 + "'.").c_str()); |
871 |
$$ = new IntLiteral({ .value = 0 }); |
872 |
} |
873 |
} |
874 |
| VARIABLE '[' expr ']' { |
875 |
const char* name = $1; |
876 |
VariableRef var = context->variableByName(name); |
877 |
if (!var) { |
878 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
879 |
$$ = new IntLiteral({ .value = 0 }); |
880 |
} else if (!isArray(var->exprType())) { |
881 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
882 |
$$ = new IntLiteral({ .value = 0 }); |
883 |
} else if ($3->exprType() != INT_EXPR) { |
884 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
885 |
$$ = new IntLiteral({ .value = 0 }); |
886 |
} else if ($3->asInt()->unitType() || $3->asInt()->hasUnitFactorEver()) { |
887 |
PARSE_ERR(@3, "Units are not allowed as array index."); |
888 |
$$ = new IntLiteral({ .value = 0 }); |
889 |
} else { |
890 |
if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
891 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
892 |
" exceeds size of array variable '" + name + |
893 |
"' which was declared with size " + |
894 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
895 |
else if ($3->asInt()->isFinal()) |
896 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
897 |
if (var->exprType() == REAL_ARR_EXPR) { |
898 |
$$ = new RealArrayElement(var, $3); |
899 |
} else { |
900 |
$$ = new IntArrayElement(var, $3); |
901 |
} |
902 |
} |
903 |
} |
904 |
| '(' expr ')' { |
905 |
$$ = $2; |
906 |
} |
907 |
| functioncall { |
908 |
$$ = $1; |
909 |
} |
910 |
| '+' unary_expr { |
911 |
$$ = $2; |
912 |
} |
913 |
| '-' unary_expr { |
914 |
$$ = new Neg($2); |
915 |
} |
916 |
| BITWISE_NOT unary_expr { |
917 |
if ($2->exprType() != INT_EXPR) { |
918 |
PARSE_ERR(@2, (String("Right operand of bitwise operator '.not.' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
919 |
$$ = new IntLiteral({ .value = 0 }); |
920 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
921 |
PARSE_ERR(@2, "Units are not allowed for operands of bitwise operations."); |
922 |
$$ = new IntLiteral({ .value = 0 }); |
923 |
} else { |
924 |
$$ = new BitwiseNot($2); |
925 |
} |
926 |
} |
927 |
| NOT unary_expr { |
928 |
if ($2->exprType() != INT_EXPR) { |
929 |
PARSE_ERR(@2, (String("Right operand of operator 'not' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
930 |
$$ = new IntLiteral({ .value = 0 }); |
931 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
932 |
PARSE_ERR(@2, "Units are not allowed for operands of logical operations."); |
933 |
$$ = new IntLiteral({ .value = 0 }); |
934 |
} else { |
935 |
$$ = new Not($2); |
936 |
} |
937 |
} |
938 |
| '!' unary_expr { |
939 |
if (!isNumber($2->exprType())) { |
940 |
PARSE_ERR(@2, (String("Right operand of \"final\" operator '!' must be a scalar number expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
941 |
$$ = new IntLiteral({ .value = 0 }); |
942 |
} else { |
943 |
$$ = new Final($2); |
944 |
} |
945 |
} |
946 |
|
947 |
opt_expr: |
948 |
/* epsilon (empty argument) */ { |
949 |
$$ = NULL; |
950 |
} |
951 |
| expr { |
952 |
$$ = $1; |
953 |
} |
954 |
|
955 |
expr: |
956 |
concat_expr |
957 |
|
958 |
concat_expr: |
959 |
logical_or_expr |
960 |
| concat_expr '&' logical_or_expr { |
961 |
ExpressionRef lhs = $1; |
962 |
ExpressionRef rhs = $3; |
963 |
if (lhs->isConstExpr() && rhs->isConstExpr()) { |
964 |
$$ = new StringLiteral( |
965 |
lhs->evalCastToStr() + rhs->evalCastToStr() |
966 |
); |
967 |
} else { |
968 |
$$ = new ConcatString(lhs, rhs); |
969 |
} |
970 |
} |
971 |
|
972 |
logical_or_expr: |
973 |
logical_and_expr |
974 |
| logical_or_expr OR logical_and_expr { |
975 |
ExpressionRef lhs = $1; |
976 |
ExpressionRef rhs = $3; |
977 |
if (lhs->exprType() != INT_EXPR) { |
978 |
PARSE_ERR(@1, (String("Left operand of operator 'or' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
979 |
$$ = new IntLiteral({ .value = 0 }); |
980 |
} else if (rhs->exprType() != INT_EXPR) { |
981 |
PARSE_ERR(@3, (String("Right operand of operator 'or' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
982 |
$$ = new IntLiteral({ .value = 0 }); |
983 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
984 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
985 |
$$ = new IntLiteral({ .value = 0 }); |
986 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
987 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
988 |
$$ = new IntLiteral({ .value = 0 }); |
989 |
} else { |
990 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
991 |
PARSE_WRN(@3, "Right operand of 'or' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
992 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
993 |
PARSE_WRN(@1, "Left operand of 'or' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
994 |
$$ = new Or(lhs, rhs); |
995 |
} |
996 |
} |
997 |
|
998 |
logical_and_expr: |
999 |
bitwise_or_expr { |
1000 |
$$ = $1; |
1001 |
} |
1002 |
| logical_and_expr AND bitwise_or_expr { |
1003 |
ExpressionRef lhs = $1; |
1004 |
ExpressionRef rhs = $3; |
1005 |
if (lhs->exprType() != INT_EXPR) { |
1006 |
PARSE_ERR(@1, (String("Left operand of operator 'and' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1007 |
$$ = new IntLiteral({ .value = 0 }); |
1008 |
} else if (rhs->exprType() != INT_EXPR) { |
1009 |
PARSE_ERR(@3, (String("Right operand of operator 'and' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1010 |
$$ = new IntLiteral({ .value = 0 }); |
1011 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1012 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
1013 |
$$ = new IntLiteral({ .value = 0 }); |
1014 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1015 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
1016 |
$$ = new IntLiteral({ .value = 0 }); |
1017 |
} else { |
1018 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1019 |
PARSE_WRN(@3, "Right operand of 'and' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1020 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1021 |
PARSE_WRN(@1, "Left operand of 'and' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1022 |
$$ = new And(lhs, rhs); |
1023 |
} |
1024 |
} |
1025 |
|
1026 |
bitwise_or_expr: |
1027 |
bitwise_and_expr |
1028 |
| bitwise_or_expr BITWISE_OR bitwise_and_expr { |
1029 |
ExpressionRef lhs = $1; |
1030 |
ExpressionRef rhs = $3; |
1031 |
if (lhs->exprType() != INT_EXPR) { |
1032 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1033 |
$$ = new IntLiteral({ .value = 0 }); |
1034 |
} else if (rhs->exprType() != INT_EXPR) { |
1035 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1036 |
$$ = new IntLiteral({ .value = 0 }); |
1037 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1038 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
1039 |
$$ = new IntLiteral({ .value = 0 }); |
1040 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1041 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
1042 |
$$ = new IntLiteral({ .value = 0 }); |
1043 |
} else { |
1044 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1045 |
PARSE_WRN(@3, "Right operand of '.or.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1046 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1047 |
PARSE_WRN(@1, "Left operand of '.or.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1048 |
$$ = new BitwiseOr(lhs, rhs); |
1049 |
} |
1050 |
} |
1051 |
|
1052 |
bitwise_and_expr: |
1053 |
rel_expr { |
1054 |
$$ = $1; |
1055 |
} |
1056 |
| bitwise_and_expr BITWISE_AND rel_expr { |
1057 |
ExpressionRef lhs = $1; |
1058 |
ExpressionRef rhs = $3; |
1059 |
if (lhs->exprType() != INT_EXPR) { |
1060 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1061 |
$$ = new IntLiteral({ .value = 0 }); |
1062 |
} else if (rhs->exprType() != INT_EXPR) { |
1063 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1064 |
$$ = new IntLiteral({ .value = 0 }); |
1065 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1066 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
1067 |
$$ = new IntLiteral({ .value = 0 }); |
1068 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1069 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
1070 |
$$ = new IntLiteral({ .value = 0 }); |
1071 |
} else { |
1072 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1073 |
PARSE_WRN(@3, "Right operand of '.and.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1074 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1075 |
PARSE_WRN(@1, "Left operand of '.and.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1076 |
$$ = new BitwiseAnd(lhs, rhs); |
1077 |
} |
1078 |
} |
1079 |
|
1080 |
rel_expr: |
1081 |
add_expr |
1082 |
| rel_expr '<' add_expr { |
1083 |
ExpressionRef lhs = $1; |
1084 |
ExpressionRef rhs = $3; |
1085 |
if (!isNumber(lhs->exprType())) { |
1086 |
PARSE_ERR(@1, (String("Left operand of operator '<' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1087 |
$$ = new IntLiteral({ .value = 0 }); |
1088 |
} else if (!isNumber(rhs->exprType())) { |
1089 |
PARSE_ERR(@3, (String("Right operand of operator '<' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1090 |
$$ = new IntLiteral({ .value = 0 }); |
1091 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1092 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1093 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1094 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1095 |
$$ = new IntLiteral({ .value = 0 }); |
1096 |
} else { |
1097 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1098 |
PARSE_WRN(@3, "Right operand of '<' comparison is not 'final', left operand is 'final' though."); |
1099 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1100 |
PARSE_WRN(@1, "Left operand of '<' comparison is not 'final', right operand is 'final' though."); |
1101 |
$$ = new Relation(lhs, Relation::LESS_THAN, rhs); |
1102 |
} |
1103 |
} |
1104 |
| rel_expr '>' add_expr { |
1105 |
ExpressionRef lhs = $1; |
1106 |
ExpressionRef rhs = $3; |
1107 |
if (!isNumber(lhs->exprType())) { |
1108 |
PARSE_ERR(@1, (String("Left operand of operator '>' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1109 |
$$ = new IntLiteral({ .value = 0 }); |
1110 |
} else if (!isNumber(rhs->exprType())) { |
1111 |
PARSE_ERR(@3, (String("Right operand of operator '>' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1112 |
$$ = new IntLiteral({ .value = 0 }); |
1113 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1114 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1115 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1116 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1117 |
$$ = new IntLiteral({ .value = 0 }); |
1118 |
} else { |
1119 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1120 |
PARSE_WRN(@3, "Right operand of '>' comparison is not 'final', left operand is 'final' though."); |
1121 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1122 |
PARSE_WRN(@1, "Left operand of '>' comparison is not 'final', right operand is 'final' though."); |
1123 |
$$ = new Relation(lhs, Relation::GREATER_THAN, rhs); |
1124 |
} |
1125 |
} |
1126 |
| rel_expr LE add_expr { |
1127 |
ExpressionRef lhs = $1; |
1128 |
ExpressionRef rhs = $3; |
1129 |
if (!isNumber(lhs->exprType())) { |
1130 |
PARSE_ERR(@1, (String("Left operand of operator '<=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1131 |
$$ = new IntLiteral({ .value = 0 }); |
1132 |
} else if (!isNumber(rhs->exprType())) { |
1133 |
PARSE_ERR(@3, (String("Right operand of operator '<=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1134 |
$$ = new IntLiteral({ .value = 0 }); |
1135 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1136 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1137 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1138 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1139 |
$$ = new IntLiteral({ .value = 0 }); |
1140 |
} else { |
1141 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1142 |
PARSE_WRN(@3, "Right operand of '<=' comparison is not 'final', left operand is 'final' though."); |
1143 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1144 |
PARSE_WRN(@1, "Left operand of '<=' comparison is not 'final', right operand is 'final' though."); |
1145 |
$$ = new Relation(lhs, Relation::LESS_OR_EQUAL, rhs); |
1146 |
} |
1147 |
} |
1148 |
| rel_expr GE add_expr { |
1149 |
ExpressionRef lhs = $1; |
1150 |
ExpressionRef rhs = $3; |
1151 |
if (!isNumber(lhs->exprType())) { |
1152 |
PARSE_ERR(@1, (String("Left operand of operator '>=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1153 |
$$ = new IntLiteral({ .value = 0 }); |
1154 |
} else if (!isNumber(rhs->exprType())) { |
1155 |
PARSE_ERR(@3, (String("Right operand of operator '>=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1156 |
$$ = new IntLiteral({ .value = 0 }); |
1157 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1158 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1159 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1160 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1161 |
$$ = new IntLiteral({ .value = 0 }); |
1162 |
} else { |
1163 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1164 |
PARSE_WRN(@3, "Right operand of '>=' comparison is not 'final', left operand is 'final' though."); |
1165 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1166 |
PARSE_WRN(@1, "Left operand of '>=' comparison is not 'final', right operand is 'final' though."); |
1167 |
$$ = new Relation(lhs, Relation::GREATER_OR_EQUAL, rhs); |
1168 |
} |
1169 |
} |
1170 |
| rel_expr '=' add_expr { |
1171 |
ExpressionRef lhs = $1; |
1172 |
ExpressionRef rhs = $3; |
1173 |
if (!isNumber(lhs->exprType())) { |
1174 |
PARSE_ERR(@1, (String("Left operand of operator '=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1175 |
$$ = new IntLiteral({ .value = 0 }); |
1176 |
} else if (!isNumber(rhs->exprType())) { |
1177 |
PARSE_ERR(@3, (String("Right operand of operator '=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1178 |
$$ = new IntLiteral({ .value = 0 }); |
1179 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1180 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1181 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1182 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1183 |
$$ = new IntLiteral({ .value = 0 }); |
1184 |
} else { |
1185 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1186 |
PARSE_WRN(@3, "Right operand of '=' comparison is not 'final', left operand is 'final' though."); |
1187 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1188 |
PARSE_WRN(@1, "Left operand of '=' comparison is not 'final', right operand is 'final' though."); |
1189 |
$$ = new Relation(lhs, Relation::EQUAL, rhs); |
1190 |
} |
1191 |
} |
1192 |
| rel_expr '#' add_expr { |
1193 |
ExpressionRef lhs = $1; |
1194 |
ExpressionRef rhs = $3; |
1195 |
if (!isNumber(lhs->exprType())) { |
1196 |
PARSE_ERR(@1, (String("Left operand of operator '#' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1197 |
$$ = new IntLiteral({ .value = 0 }); |
1198 |
} else if (!isNumber(rhs->exprType())) { |
1199 |
PARSE_ERR(@3, (String("Right operand of operator '#' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1200 |
$$ = new IntLiteral({ .value = 0 }); |
1201 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1202 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1203 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1204 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1205 |
$$ = new IntLiteral({ .value = 0 }); |
1206 |
} else { |
1207 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1208 |
PARSE_WRN(@3, "Right operand of '#' comparison is not 'final', left operand is 'final' though."); |
1209 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1210 |
PARSE_WRN(@1, "Left operand of '#' comparison is not 'final', right operand is 'final' though."); |
1211 |
$$ = new Relation(lhs, Relation::NOT_EQUAL, rhs); |
1212 |
} |
1213 |
} |
1214 |
|
1215 |
add_expr: |
1216 |
mul_expr |
1217 |
| add_expr '+' mul_expr { |
1218 |
ExpressionRef lhs = $1; |
1219 |
ExpressionRef rhs = $3; |
1220 |
if (!isNumber(lhs->exprType())) { |
1221 |
PARSE_ERR(@1, (String("Left operand of operator '+' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1222 |
$$ = new IntLiteral({ .value = 0 }); |
1223 |
} else if (!isNumber(rhs->exprType())) { |
1224 |
PARSE_ERR(@1, (String("Right operand of operator '+' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1225 |
$$ = new IntLiteral({ .value = 0 }); |
1226 |
} else if (lhs->exprType() != rhs->exprType()) { |
1227 |
PARSE_ERR(@2, (String("Operands of operator '+' must have same type; left operand is ") + |
1228 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1229 |
$$ = new IntLiteral({ .value = 0 }); |
1230 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1231 |
PARSE_ERR(@2, (String("Operands of '+' operations must have same unit, left operand is ") + |
1232 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1233 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1234 |
$$ = new IntLiteral({ .value = 0 }); |
1235 |
} else { |
1236 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1237 |
PARSE_WRN(@3, "Right operand of '+' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1238 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1239 |
PARSE_WRN(@1, "Left operand of '+' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1240 |
$$ = new Add(lhs,rhs); |
1241 |
} |
1242 |
} |
1243 |
| add_expr '-' mul_expr { |
1244 |
ExpressionRef lhs = $1; |
1245 |
ExpressionRef rhs = $3; |
1246 |
if (!isNumber(lhs->exprType())) { |
1247 |
PARSE_ERR(@1, (String("Left operand of operator '-' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1248 |
$$ = new IntLiteral({ .value = 0 }); |
1249 |
} else if (!isNumber(rhs->exprType())) { |
1250 |
PARSE_ERR(@1, (String("Right operand of operator '-' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1251 |
$$ = new IntLiteral({ .value = 0 }); |
1252 |
} else if (lhs->exprType() != rhs->exprType()) { |
1253 |
PARSE_ERR(@2, (String("Operands of operator '-' must have same type; left operand is ") + |
1254 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1255 |
$$ = new IntLiteral({ .value = 0 }); |
1256 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1257 |
PARSE_ERR(@2, (String("Operands of '-' operations must have same unit, left operand is ") + |
1258 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1259 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1260 |
$$ = new IntLiteral({ .value = 0 }); |
1261 |
} else { |
1262 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1263 |
PARSE_WRN(@3, "Right operand of '-' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1264 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1265 |
PARSE_WRN(@1, "Left operand of '-' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1266 |
$$ = new Sub(lhs,rhs); |
1267 |
} |
1268 |
} |
1269 |
|
1270 |
mul_expr: |
1271 |
unary_expr |
1272 |
| mul_expr '*' unary_expr { |
1273 |
ExpressionRef lhs = $1; |
1274 |
ExpressionRef rhs = $3; |
1275 |
if (!isNumber(lhs->exprType())) { |
1276 |
PARSE_ERR(@1, (String("Left operand of operator '*' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1277 |
$$ = new IntLiteral({ .value = 0 }); |
1278 |
} else if (!isNumber(rhs->exprType())) { |
1279 |
PARSE_ERR(@1, (String("Right operand of operator '*' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1280 |
$$ = new IntLiteral({ .value = 0 }); |
1281 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1282 |
PARSE_ERR(@2, (String("Only one operand of operator '*' may have a unit type, left operand is ") + |
1283 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1284 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1285 |
$$ = new IntLiteral({ .value = 0 }); |
1286 |
} else if (lhs->exprType() != rhs->exprType()) { |
1287 |
PARSE_ERR(@2, (String("Operands of operator '*' must have same type; left operand is ") + |
1288 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1289 |
$$ = new IntLiteral({ .value = 0 }); |
1290 |
} else { |
1291 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1292 |
PARSE_WRN(@3, "Right operand of '*' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1293 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1294 |
PARSE_WRN(@1, "Left operand of '*' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1295 |
$$ = new Mul(lhs,rhs); |
1296 |
} |
1297 |
} |
1298 |
| mul_expr '/' unary_expr { |
1299 |
ExpressionRef lhs = $1; |
1300 |
ExpressionRef rhs = $3; |
1301 |
if (!isNumber(lhs->exprType())) { |
1302 |
PARSE_ERR(@1, (String("Left operand of operator '/' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1303 |
$$ = new IntLiteral({ .value = 0 }); |
1304 |
} else if (!isNumber(rhs->exprType())) { |
1305 |
PARSE_ERR(@1, (String("Right operand of operator '/' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1306 |
$$ = new IntLiteral({ .value = 0 }); |
1307 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType() && |
1308 |
lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) |
1309 |
{ |
1310 |
PARSE_ERR(@2, (String("Operands of operator '/' with two different unit types, left operand is ") + |
1311 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1312 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1313 |
$$ = new IntLiteral({ .value = 0 }); |
1314 |
} else if (!lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1315 |
PARSE_ERR(@3, ("Dividing left operand without any unit type by right operand with unit type (" + |
1316 |
unitTypeStr(rhs->asNumber()->unitType()) + ") is not possible.").c_str()); |
1317 |
$$ = new IntLiteral({ .value = 0 }); |
1318 |
} else if (lhs->exprType() != rhs->exprType()) { |
1319 |
PARSE_ERR(@2, (String("Operands of operator '/' must have same type; left operand is ") + |
1320 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1321 |
$$ = new IntLiteral({ .value = 0 }); |
1322 |
} else { |
1323 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1324 |
PARSE_WRN(@3, "Right operand of '/' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1325 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1326 |
PARSE_WRN(@1, "Left operand of '/' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1327 |
$$ = new Div(lhs,rhs); |
1328 |
} |
1329 |
} |
1330 |
| mul_expr MOD unary_expr { |
1331 |
ExpressionRef lhs = $1; |
1332 |
ExpressionRef rhs = $3; |
1333 |
if (lhs->exprType() != INT_EXPR) { |
1334 |
PARSE_ERR(@1, (String("Left operand of modulo operator must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1335 |
$$ = new IntLiteral({ .value = 0 }); |
1336 |
} else if (rhs->exprType() != INT_EXPR) { |
1337 |
PARSE_ERR(@3, (String("Right operand of modulo operator must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1338 |
$$ = new IntLiteral({ .value = 0 }); |
1339 |
} else { |
1340 |
if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) |
1341 |
PARSE_ERR(@1, "Operands of modulo operator must not use any unit."); |
1342 |
if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) |
1343 |
PARSE_ERR(@3, "Operands of modulo operator must not use any unit."); |
1344 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1345 |
PARSE_WRN(@3, "Right operand of 'mod' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1346 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1347 |
PARSE_WRN(@1, "Left operand of 'mod' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1348 |
$$ = new Mod(lhs,rhs); |
1349 |
} |
1350 |
} |
1351 |
|
1352 |
%% |
1353 |
|
1354 |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err) { |
1355 |
//fprintf(stderr, "%d: %s\n", locp->first_line, err); |
1356 |
context->addErr(locp->first_line, locp->last_line, locp->first_column+1, |
1357 |
locp->last_column+1, locp->first_byte, locp->length_bytes, |
1358 |
err); |
1359 |
} |
1360 |
|
1361 |
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt) { |
1362 |
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
1363 |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, |
1364 |
locp->last_column+1, locp->first_byte, locp->length_bytes, |
1365 |
txt); |
1366 |
} |
1367 |
|
1368 |
/// Custom implementation of yytnamerr() to ensure quotation is always stripped from token names before printing them to error messages. |
1369 |
int InstrScript_tnamerr(char* yyres, const char* yystr) { |
1370 |
if (*yystr == '"') { |
1371 |
int yyn = 0; |
1372 |
char const *yyp = yystr; |
1373 |
for (;;) |
1374 |
switch (*++yyp) |
1375 |
{ |
1376 |
/* |
1377 |
case '\'': |
1378 |
case ',': |
1379 |
goto do_not_strip_quotes; |
1380 |
|
1381 |
case '\\': |
1382 |
if (*++yyp != '\\') |
1383 |
goto do_not_strip_quotes; |
1384 |
*/ |
1385 |
/* Fall through. */ |
1386 |
default: |
1387 |
if (yyres) |
1388 |
yyres[yyn] = *yyp; |
1389 |
yyn++; |
1390 |
break; |
1391 |
|
1392 |
case '"': |
1393 |
if (yyres) |
1394 |
yyres[yyn] = '\0'; |
1395 |
return yyn; |
1396 |
} |
1397 |
/* |
1398 |
do_not_strip_quotes: ; |
1399 |
*/ |
1400 |
} |
1401 |
|
1402 |
if (! yyres) |
1403 |
return (int) yystrlen (yystr); |
1404 |
|
1405 |
return int( yystpcpy (yyres, yystr) - yyres ); |
1406 |
} |