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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) context->addPreprocessorComment(loc.first_line, loc.last_line, loc.first_column+1, loc.last_column+1); |
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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 |
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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 |
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%type <nCaseBranch> caseclause |
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%type <nCaseBranches> caseclauses |
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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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$$ = context->onNrpn; |
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} |
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|
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function_declaration: |
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FUNCTION IDENTIFIER opt_statements END FUNCTION { |
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const char* name = $2; |
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if (context->functionProvider->functionByName(name)) { |
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PARSE_ERR(@2, (String("There is already a built-in function with name '") + name + "'.").c_str()); |
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} else if (context->userFunctionByName(name)) { |
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PARSE_ERR(@2, (String("There is already a user defined function with name '") + name + "'.").c_str()); |
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} else { |
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context->userFnTable[name] = $3; |
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} |
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} |
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|
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opt_statements: |
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/* epsilon (empty argument) */ { |
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$$ = 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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$$ = $1; |
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} |
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| DECLARE VARIABLE { |
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const char* name = $2; |
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//printf("declared var '%s'\n", name); |
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if (context->variableByName(name)) { |
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PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
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} else if (name[0] == '@') { |
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context->vartable[name] = new StringVariable(context); |
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} else if (name[0] == '~') { |
207 |
context->vartable[name] = new RealVariable({ |
208 |
.ctx = context |
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}); |
210 |
} else if (name[0] == '$') { |
211 |
context->vartable[name] = new IntVariable({ |
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.ctx = context |
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}); |
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} else if (name[0] == '?') { |
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PARSE_ERR(@2, (String("Real number array variable '") + name + "' declaration requires array size.").c_str()); |
216 |
} else if (name[0] == '%') { |
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PARSE_ERR(@2, (String("Integer array variable '") + name + "' declaration requires array size.").c_str()); |
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} else { |
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PARSE_ERR(@2, (String("Variable '") + name + "' declared with unknown type.").c_str()); |
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} |
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$$ = new NoOperation; |
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} |
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| DECLARE POLYPHONIC VARIABLE { |
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const char* name = $3; |
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//printf("declared polyphonic var '%s'\n", name); |
226 |
if (context->variableByName(name)) { |
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PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
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} else if (name[0] != '$' && name[0] != '~') { |
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PARSE_ERR(@3, "Polyphonic variables must only be declared either as integer or real number type."); |
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} else if (name[0] == '~') { |
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context->vartable[name] = new PolyphonicRealVariable({ |
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.ctx = context |
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}); |
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} else { |
235 |
context->vartable[name] = new PolyphonicIntVariable({ |
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.ctx = context |
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}); |
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} |
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$$ = new NoOperation; |
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} |
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| DECLARE VARIABLE ASSIGNMENT expr { |
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const char* name = $2; |
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//printf("declared assign var '%s'\n", name); |
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const ExprType_t declType = exprTypeOfVarName(name); |
245 |
if (context->variableByName(name)) { |
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PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
247 |
$$ = new NoOperation; |
248 |
} else if ($4->exprType() == STRING_EXPR) { |
249 |
if (name[0] != '@') |
250 |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", string expression assigned though.").c_str()); |
251 |
StringExprRef expr = $4; |
252 |
if (expr->isConstExpr()) { |
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const String s = expr->evalStr(); |
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StringVariableRef var = new StringVariable(context); |
255 |
context->vartable[name] = var; |
256 |
$$ = new Assignment(var, new StringLiteral(s)); |
257 |
} else { |
258 |
StringVariableRef var = new StringVariable(context); |
259 |
context->vartable[name] = var; |
260 |
$$ = new Assignment(var, expr); |
261 |
} |
262 |
} else if ($4->exprType() == REAL_EXPR) { |
263 |
if (name[0] != '~') |
264 |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", real number expression assigned though.").c_str()); |
265 |
RealExprRef expr = $4; |
266 |
RealVariableRef var = new RealVariable({ |
267 |
.ctx = context, |
268 |
.unitType = expr->unitType(), |
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.isFinal = expr->isFinal() |
270 |
}); |
271 |
if (expr->isConstExpr()) { |
272 |
$$ = new Assignment(var, new RealLiteral({ |
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.value = expr->evalReal(), |
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.unitFactor = expr->unitFactor(), |
275 |
.unitType = expr->unitType(), |
276 |
.isFinal = expr->isFinal() |
277 |
})); |
278 |
} else { |
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$$ = new Assignment(var, expr); |
280 |
} |
281 |
context->vartable[name] = var; |
282 |
} else if ($4->exprType() == INT_EXPR) { |
283 |
if (name[0] != '$') |
284 |
PARSE_WRN(@2, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", integer expression assigned though.").c_str()); |
285 |
IntExprRef expr = $4; |
286 |
IntVariableRef var = new IntVariable({ |
287 |
.ctx = context, |
288 |
.unitType = expr->unitType(), |
289 |
.isFinal = expr->isFinal() |
290 |
}); |
291 |
if (expr->isConstExpr()) { |
292 |
$$ = new Assignment(var, new IntLiteral({ |
293 |
.value = expr->evalInt(), |
294 |
.unitFactor = expr->unitFactor(), |
295 |
.unitType = expr->unitType(), |
296 |
.isFinal = expr->isFinal() |
297 |
})); |
298 |
} else { |
299 |
$$ = new Assignment(var, expr); |
300 |
} |
301 |
context->vartable[name] = var; |
302 |
} else if ($4->exprType() == EMPTY_EXPR) { |
303 |
PARSE_ERR(@4, "Expression does not result in a value."); |
304 |
$$ = new NoOperation; |
305 |
} else if (isArray($4->exprType())) { |
306 |
PARSE_ERR(@2, (String("Variable '") + name + "' declared as scalar type, array expression assigned though.").c_str()); |
307 |
$$ = new NoOperation; |
308 |
} |
309 |
} |
310 |
| DECLARE VARIABLE '[' expr ']' { |
311 |
//printf("declare array without args\n"); |
312 |
const char* name = $2; |
313 |
if (!$4->isConstExpr()) { |
314 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
315 |
} else if ($4->exprType() != INT_EXPR) { |
316 |
PARSE_ERR(@4, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
317 |
} else if (context->variableByName(name)) { |
318 |
PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
319 |
} else { |
320 |
IntExprRef sizeExpr = $4; |
321 |
if (sizeExpr->unitType() || sizeExpr->hasUnitFactorNow()) { |
322 |
PARSE_ERR(@4, "Units are not allowed as array size."); |
323 |
} else { |
324 |
if (sizeExpr->isFinal()) |
325 |
PARSE_WRN(@4, "Final operator '!' is meaningless here."); |
326 |
vmint size = sizeExpr->evalInt(); |
327 |
if (size <= 0) { |
328 |
PARSE_ERR(@4, (String("Array variable '") + name + "' declared with array size " + ToString(size) + ".").c_str()); |
329 |
} else { |
330 |
if (name[0] == '?') { |
331 |
context->vartable[name] = new RealArrayVariable(context, size); |
332 |
} else if (name[0] == '%') { |
333 |
context->vartable[name] = new IntArrayVariable(context, size); |
334 |
} else { |
335 |
PARSE_ERR(@2, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
336 |
} |
337 |
} |
338 |
} |
339 |
} |
340 |
$$ = new NoOperation; |
341 |
} |
342 |
| DECLARE VARIABLE '[' expr ']' ASSIGNMENT '(' args ')' { |
343 |
const char* name = $2; |
344 |
if (!$4->isConstExpr()) { |
345 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
346 |
} else if ($4->exprType() != INT_EXPR) { |
347 |
PARSE_ERR(@4, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
348 |
} else if (context->variableByName(name)) { |
349 |
PARSE_ERR(@2, (String("Redeclaration of variable '") + name + "'.").c_str()); |
350 |
} else { |
351 |
IntExprRef sizeExpr = $4; |
352 |
ArgsRef args = $8; |
353 |
vmint size = sizeExpr->evalInt(); |
354 |
if (size <= 0) { |
355 |
PARSE_ERR(@4, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
356 |
} else if (args->argsCount() > size) { |
357 |
PARSE_ERR(@8, (String("Array variable '") + name + |
358 |
"' was declared with size " + ToString(size) + |
359 |
" but " + ToString(args->argsCount()) + |
360 |
" values were assigned." ).c_str()); |
361 |
} else if (sizeExpr->unitType() || sizeExpr->hasUnitFactorNow()) { |
362 |
PARSE_ERR(@4, "Units are not allowed as array size."); |
363 |
} else { |
364 |
if (sizeExpr->isFinal()) |
365 |
PARSE_WRN(@4, "Final operator '!' is meaningless here."); |
366 |
ExprType_t declType = EMPTY_EXPR; |
367 |
if (name[0] == '%') { |
368 |
declType = INT_EXPR; |
369 |
} else if (name[0] == '?') { |
370 |
declType = REAL_EXPR; |
371 |
} else if (name[0] == '$') { |
372 |
PARSE_ERR(@2, (String("Variable '") + name + "' declaration ambiguous: Use '%' as name prefix for integer arrays instead of '$'.").c_str()); |
373 |
} else if (name[0] == '~') { |
374 |
PARSE_ERR(@2, (String("Variable '") + name + "' declaration ambiguous: Use '?' as name prefix for real number arrays instead of '~'.").c_str()); |
375 |
} else { |
376 |
PARSE_ERR(@2, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
377 |
} |
378 |
bool argsOK = true; |
379 |
if (declType == EMPTY_EXPR) { |
380 |
argsOK = false; |
381 |
} else { |
382 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
383 |
if (args->arg(i)->exprType() != declType) { |
384 |
PARSE_ERR( |
385 |
@8, |
386 |
(String("Array variable '") + name + |
387 |
"' declared with invalid assignment values. Assigned element " + |
388 |
ToString(i+1) + " is not an " + typeStr(declType) + " expression.").c_str() |
389 |
); |
390 |
argsOK = false; |
391 |
break; |
392 |
} else if (args->arg(i)->asNumber()->unitType()) { |
393 |
PARSE_ERR( |
394 |
@8, |
395 |
(String("Array variable '") + name + |
396 |
"' declared with invalid assignment values. Assigned element " + |
397 |
ToString(i+1) + " contains a unit type, only metric prefixes are allowed for arrays.").c_str() |
398 |
); |
399 |
argsOK = false; |
400 |
break; |
401 |
} else if (args->arg(i)->asNumber()->isFinal()) { |
402 |
PARSE_ERR( |
403 |
@8, |
404 |
(String("Array variable '") + name + |
405 |
"' declared with invalid assignment values. Assigned element " + |
406 |
ToString(i+1) + " declared as 'final' value.").c_str() |
407 |
); |
408 |
argsOK = false; |
409 |
break; |
410 |
} |
411 |
} |
412 |
} |
413 |
if (argsOK) { |
414 |
if (declType == REAL_EXPR) |
415 |
context->vartable[name] = new RealArrayVariable(context, size, args); |
416 |
else |
417 |
context->vartable[name] = new IntArrayVariable(context, size, args); |
418 |
} |
419 |
} |
420 |
} |
421 |
$$ = new NoOperation; |
422 |
} |
423 |
| DECLARE CONST_ VARIABLE '[' expr ']' ASSIGNMENT '(' args ')' { |
424 |
const char* name = $3; |
425 |
if (!$5->isConstExpr()) { |
426 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with constant array size.").c_str()); |
427 |
} else if ($5->exprType() != INT_EXPR) { |
428 |
PARSE_ERR(@5, (String("Size of array variable '") + name + "' declared with non integer expression.").c_str()); |
429 |
} else if (context->variableByName(name)) { |
430 |
PARSE_ERR(@3, (String("Redeclaration of variable '") + name + "'.").c_str()); |
431 |
} else { |
432 |
IntExprRef sizeExpr = $5; |
433 |
ArgsRef args = $9; |
434 |
vmint size = sizeExpr->evalInt(); |
435 |
if (size <= 0) { |
436 |
PARSE_ERR(@5, (String("Array variable '") + name + "' must be declared with positive array size.").c_str()); |
437 |
} else if (args->argsCount() > size) { |
438 |
PARSE_ERR(@9, (String("Array variable '") + name + |
439 |
"' was declared with size " + ToString(size) + |
440 |
" but " + ToString(args->argsCount()) + |
441 |
" values were assigned." ).c_str()); |
442 |
} else if (sizeExpr->unitType() || sizeExpr->hasUnitFactorNow()) { |
443 |
PARSE_ERR(@5, "Units are not allowed as array size."); |
444 |
} else { |
445 |
if (sizeExpr->isFinal()) |
446 |
PARSE_WRN(@5, "Final operator '!' is meaningless here."); |
447 |
ExprType_t declType = EMPTY_EXPR; |
448 |
if (name[0] == '%') { |
449 |
declType = INT_EXPR; |
450 |
} else if (name[0] == '?') { |
451 |
declType = REAL_EXPR; |
452 |
} else if (name[0] == '$') { |
453 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '%' as name prefix for integer arrays instead of '$'.").c_str()); |
454 |
} else if (name[0] == '~') { |
455 |
PARSE_ERR(@3, (String("Variable '") + name + "' declaration ambiguous: Use '?' as name prefix for real number arrays instead of '~'.").c_str()); |
456 |
} else { |
457 |
PARSE_ERR(@3, (String("Variable '") + name + "' declared as unknown array type: use either '%' or '?' instead of '" + String(name).substr(0,1) + "'.").c_str()); |
458 |
} |
459 |
bool argsOK = true; |
460 |
if (declType == EMPTY_EXPR) { |
461 |
argsOK = false; |
462 |
} else { |
463 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
464 |
if (args->arg(i)->exprType() != declType) { |
465 |
PARSE_ERR( |
466 |
@9, |
467 |
(String("const array variable '") + name + |
468 |
"' declared with invalid assignment values. Assigned element " + |
469 |
ToString(i+1) + " is not an " + typeStr(declType) + " expression.").c_str() |
470 |
); |
471 |
argsOK = false; |
472 |
break; |
473 |
} |
474 |
if (!args->arg(i)->isConstExpr()) { |
475 |
PARSE_ERR( |
476 |
@9, |
477 |
(String("const array variable '") + name + |
478 |
"' must be defined with const values. Assigned element " + |
479 |
ToString(i+1) + " is not a const expression though.").c_str() |
480 |
); |
481 |
argsOK = false; |
482 |
break; |
483 |
} else if (args->arg(i)->asNumber()->unitType()) { |
484 |
PARSE_ERR( |
485 |
@9, |
486 |
(String("const array variable '") + name + |
487 |
"' declared with invalid assignment values. Assigned element " + |
488 |
ToString(i+1) + " contains a unit type, only metric prefixes are allowed for arrays.").c_str() |
489 |
); |
490 |
argsOK = false; |
491 |
break; |
492 |
} else if (args->arg(i)->asNumber()->isFinal()) { |
493 |
PARSE_ERR( |
494 |
@9, |
495 |
(String("const array variable '") + name + |
496 |
"' declared with invalid assignment values. Assigned element " + |
497 |
ToString(i+1) + " declared as 'final' value.").c_str() |
498 |
); |
499 |
argsOK = false; |
500 |
break; |
501 |
} |
502 |
} |
503 |
} |
504 |
if (argsOK) { |
505 |
if (declType == REAL_EXPR) |
506 |
context->vartable[name] = new RealArrayVariable(context, size, args, true); |
507 |
else |
508 |
context->vartable[name] = new IntArrayVariable(context, size, args, true); |
509 |
} |
510 |
} |
511 |
} |
512 |
$$ = new NoOperation; |
513 |
} |
514 |
| DECLARE CONST_ VARIABLE ASSIGNMENT expr { |
515 |
const char* name = $3; |
516 |
const ExprType_t declType = exprTypeOfVarName(name); |
517 |
if ($5->exprType() == STRING_EXPR) { |
518 |
if (name[0] != '@') |
519 |
PARSE_WRN(@5, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", string expression assigned though.").c_str()); |
520 |
String s; |
521 |
StringExprRef expr = $5; |
522 |
if (expr->isConstExpr()) |
523 |
s = expr->evalStr(); |
524 |
else |
525 |
PARSE_ERR(@5, (String("Assignment to const string variable '") + name + "' requires const expression.").c_str()); |
526 |
ConstStringVariableRef var = new ConstStringVariable(context, s); |
527 |
context->vartable[name] = var; |
528 |
//$$ = new Assignment(var, new StringLiteral(s)); |
529 |
} else if ($5->exprType() == REAL_EXPR) { |
530 |
if (name[0] != '~') |
531 |
PARSE_WRN(@5, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", real number expression assigned though.").c_str()); |
532 |
RealExprRef expr = $5; |
533 |
if (!expr->isConstExpr()) { |
534 |
PARSE_ERR(@5, (String("Assignment to const real number variable '") + name + "' requires const expression.").c_str()); |
535 |
} |
536 |
ConstRealVariableRef var = new ConstRealVariable( |
537 |
#if defined(__GNUC__) && !defined(__clang__) |
538 |
(const RealVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
539 |
#endif |
540 |
{ |
541 |
.value = (expr->isConstExpr()) ? expr->evalReal() : vmfloat(0), |
542 |
.unitFactor = (expr->isConstExpr()) ? expr->unitFactor() : VM_NO_FACTOR, |
543 |
.unitType = expr->unitType(), |
544 |
.isFinal = expr->isFinal() |
545 |
}); |
546 |
context->vartable[name] = var; |
547 |
//$$ = new Assignment(var, new IntLiteral(i)); |
548 |
} else if ($5->exprType() == INT_EXPR) { |
549 |
if (name[0] != '$') |
550 |
PARSE_WRN(@5, (String("Variable '") + name + "' declared as " + typeStr(declType) + ", integer expression assigned though.").c_str()); |
551 |
IntExprRef expr = $5; |
552 |
if (!expr->isConstExpr()) { |
553 |
PARSE_ERR(@5, (String("Assignment to const integer variable '") + name + "' requires const expression.").c_str()); |
554 |
} |
555 |
ConstIntVariableRef var = new ConstIntVariable( |
556 |
#if defined(__GNUC__) && !defined(__clang__) |
557 |
(const IntVarDef&) // GCC 8.x requires this cast here (looks like a GCC bug to me); cast would cause an error with clang though |
558 |
#endif |
559 |
{ |
560 |
.value = (expr->isConstExpr()) ? expr->evalInt() : 0, |
561 |
.unitFactor = (expr->isConstExpr()) ? expr->unitFactor() : VM_NO_FACTOR, |
562 |
.unitType = expr->unitType(), |
563 |
.isFinal = expr->isFinal() |
564 |
}); |
565 |
context->vartable[name] = var; |
566 |
//$$ = new Assignment(var, new IntLiteral(i)); |
567 |
} else if ($5->exprType() == EMPTY_EXPR) { |
568 |
PARSE_ERR(@5, "Expression does not result in a value."); |
569 |
} else if (isArray($5->exprType())) { |
570 |
PARSE_ERR(@5, (String("Variable '") + name + "' declared as scalar type, array expression assigned though.").c_str()); |
571 |
} |
572 |
$$ = new NoOperation(); |
573 |
} |
574 |
| assignment { |
575 |
$$ = $1; |
576 |
} |
577 |
| WHILE '(' expr ')' opt_statements END WHILE { |
578 |
if ($3->exprType() == INT_EXPR) { |
579 |
IntExprRef expr = $3; |
580 |
if (expr->asNumber()->unitType() || |
581 |
expr->asNumber()->hasUnitFactorEver()) |
582 |
PARSE_WRN(@3, "Condition for 'while' loops contains a unit."); |
583 |
else if (expr->isFinal() && expr->isConstExpr()) |
584 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
585 |
$$ = new While(expr, $5); |
586 |
} else { |
587 |
PARSE_ERR(@3, "Condition for 'while' loops must be integer expression."); |
588 |
$$ = new While(new IntLiteral({ .value = 0 }), $5); |
589 |
} |
590 |
} |
591 |
| SYNCHRONIZED opt_statements END SYNCHRONIZED { |
592 |
$$ = new SyncBlock($2); |
593 |
} |
594 |
| IF '(' expr ')' opt_statements ELSE opt_statements END IF { |
595 |
if ($3->exprType() == INT_EXPR) { |
596 |
IntExprRef expr = $3; |
597 |
if (expr->asNumber()->unitType() || |
598 |
expr->asNumber()->hasUnitFactorEver()) |
599 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
600 |
else if (expr->isFinal() && expr->isConstExpr()) |
601 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
602 |
$$ = new If($3, $5, $7); |
603 |
} else { |
604 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
605 |
$$ = new If(new IntLiteral({ .value = 0 }), $5, $7); |
606 |
} |
607 |
} |
608 |
| IF '(' expr ')' opt_statements END IF { |
609 |
if ($3->exprType() == INT_EXPR) { |
610 |
IntExprRef expr = $3; |
611 |
if (expr->asNumber()->unitType() || |
612 |
expr->asNumber()->hasUnitFactorEver()) |
613 |
PARSE_WRN(@3, "Condition for 'if' contains a unit."); |
614 |
else if (expr->isFinal() && expr->isConstExpr()) |
615 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
616 |
$$ = new If($3, $5); |
617 |
} else { |
618 |
PARSE_ERR(@3, "Condition for 'if' must be integer expression."); |
619 |
$$ = new If(new IntLiteral({ .value = 0 }), $5); |
620 |
} |
621 |
} |
622 |
| SELECT expr caseclauses END SELECT { |
623 |
if ($2->exprType() == INT_EXPR) { |
624 |
IntExprRef expr = $2; |
625 |
if (expr->unitType() || expr->hasUnitFactorEver()) { |
626 |
PARSE_ERR(@2, "Units are not allowed here."); |
627 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
628 |
} else { |
629 |
if (expr->isFinal() && expr->isConstExpr()) |
630 |
PARSE_WRN(@2, "Final operator '!' is meaningless here."); |
631 |
$$ = new SelectCase(expr, $3); |
632 |
} |
633 |
} else { |
634 |
PARSE_ERR(@2, "Statement 'select' can only by applied to integer expressions."); |
635 |
$$ = new SelectCase(new IntLiteral({ .value = 0 }), $3); |
636 |
} |
637 |
} |
638 |
|
639 |
caseclauses: |
640 |
caseclause { |
641 |
$$ = CaseBranches(); |
642 |
$$.push_back($1); |
643 |
} |
644 |
| caseclauses caseclause { |
645 |
$$ = $1; |
646 |
$$.push_back($2); |
647 |
} |
648 |
|
649 |
caseclause: |
650 |
CASE INTEGER opt_statements { |
651 |
$$ = CaseBranch(); |
652 |
$$.from = new IntLiteral({ .value = $2 }); |
653 |
$$.statements = $3; |
654 |
} |
655 |
| CASE INTEGER TO INTEGER opt_statements { |
656 |
$$ = CaseBranch(); |
657 |
$$.from = new IntLiteral({ .value = $2 }); |
658 |
$$.to = new IntLiteral({ .value = $4 }); |
659 |
$$.statements = $5; |
660 |
} |
661 |
|
662 |
userfunctioncall: |
663 |
CALL IDENTIFIER { |
664 |
const char* name = $2; |
665 |
StatementsRef fn = context->userFunctionByName(name); |
666 |
if (context->functionProvider->functionByName(name)) { |
667 |
PARSE_ERR(@1, (String("Keyword 'call' must only be used for user defined functions, not for any built-in function like '") + name + "'.").c_str()); |
668 |
$$ = StatementsRef(); |
669 |
} else if (!fn) { |
670 |
PARSE_ERR(@2, (String("No user defined function with name '") + name + "'.").c_str()); |
671 |
$$ = StatementsRef(); |
672 |
} else { |
673 |
$$ = fn; |
674 |
} |
675 |
} |
676 |
|
677 |
functioncall: |
678 |
IDENTIFIER '(' args ')' { |
679 |
const char* name = $1; |
680 |
//printf("function call of '%s' with args\n", name); |
681 |
ArgsRef args = $3; |
682 |
VMFunction* fn = context->functionProvider->functionByName(name); |
683 |
if (context->userFunctionByName(name)) { |
684 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
685 |
$$ = new FunctionCall(name, args, NULL); |
686 |
} else if (!fn) { |
687 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
688 |
$$ = new FunctionCall(name, args, NULL); |
689 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
690 |
PARSE_DROP(@$); |
691 |
$$ = new NoFunctionCall; |
692 |
} else if (args->argsCount() < fn->minRequiredArgs()) { |
693 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
694 |
$$ = new FunctionCall(name, args, NULL); |
695 |
} else if (args->argsCount() > fn->maxAllowedArgs()) { |
696 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' accepts max. " + ToString(fn->maxAllowedArgs()) + " arguments.").c_str()); |
697 |
$$ = new FunctionCall(name, args, NULL); |
698 |
} else { |
699 |
bool argsOK = true; |
700 |
for (vmint i = 0; i < args->argsCount(); ++i) { |
701 |
if (!fn->acceptsArgType(i, args->arg(i)->exprType())) { |
702 |
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()); |
703 |
argsOK = false; |
704 |
break; |
705 |
} else if (fn->modifiesArg(i) && !args->arg(i)->isModifyable()) { |
706 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects an assignable variable.").c_str()); |
707 |
argsOK = false; |
708 |
break; |
709 |
} else if (isNumber(args->arg(i)->exprType()) && !fn->acceptsArgUnitType(i, args->arg(i)->asNumber()->unitType())) { |
710 |
if (args->arg(i)->asNumber()->unitType()) |
711 |
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()); |
712 |
else |
713 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' expects a unit.").c_str()); |
714 |
argsOK = false; |
715 |
break; |
716 |
} else if (isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->hasUnitFactorEver() && !fn->acceptsArgUnitPrefix(i, args->arg(i)->asNumber()->unitType())) { |
717 |
if (args->arg(i)->asNumber()->unitType()) |
718 |
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()); |
719 |
else |
720 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a unit prefix.").c_str()); |
721 |
argsOK = false; |
722 |
break; |
723 |
} else if (!fn->acceptsArgFinal(i) && isNumber(args->arg(i)->exprType()) && args->arg(i)->asNumber()->isFinal()) { |
724 |
PARSE_ERR(@3, (String("Argument ") + ToString(i+1) + " of built-in function '" + name + "' does not expect a \"final\" value.").c_str()); |
725 |
argsOK = false; |
726 |
break; |
727 |
} |
728 |
} |
729 |
if (argsOK) { |
730 |
// perform built-in function's own, custom arguments checks (if any) |
731 |
fn->checkArgs(&*args, [&](String err) { |
732 |
PARSE_ERR(@3, (String("Built-in function '") + name + "()': " + err).c_str()); |
733 |
argsOK = false; |
734 |
}, [&](String wrn) { |
735 |
PARSE_WRN(@3, (String("Built-in function '") + name + "()': " + wrn).c_str()); |
736 |
}); |
737 |
} |
738 |
$$ = new FunctionCall(name, args, argsOK ? fn : NULL); |
739 |
} |
740 |
} |
741 |
| IDENTIFIER '(' ')' { |
742 |
const char* name = $1; |
743 |
//printf("function call of '%s' (with empty args)\n", name); |
744 |
ArgsRef args = new Args; |
745 |
VMFunction* fn = context->functionProvider->functionByName(name); |
746 |
if (context->userFunctionByName(name)) { |
747 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
748 |
$$ = new FunctionCall(name, args, NULL); |
749 |
} else if (!fn) { |
750 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
751 |
$$ = new FunctionCall(name, args, NULL); |
752 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
753 |
PARSE_DROP(@$); |
754 |
$$ = new NoFunctionCall; |
755 |
} else if (fn->minRequiredArgs() > 0) { |
756 |
PARSE_ERR(@3, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
757 |
$$ = new FunctionCall(name, args, NULL); |
758 |
} else { |
759 |
$$ = new FunctionCall(name, args, fn); |
760 |
} |
761 |
} |
762 |
| IDENTIFIER { |
763 |
const char* name = $1; |
764 |
//printf("function call of '%s' (without args)\n", name); |
765 |
ArgsRef args = new Args; |
766 |
VMFunction* fn = context->functionProvider->functionByName(name); |
767 |
if (context->userFunctionByName(name)) { |
768 |
PARSE_ERR(@1, (String("Missing 'call' keyword before user defined function name '") + name + "'.").c_str()); |
769 |
$$ = new FunctionCall(name, args, NULL); |
770 |
} else if (!fn) { |
771 |
PARSE_ERR(@1, (String("No built-in function with name '") + name + "'.").c_str()); |
772 |
$$ = new FunctionCall(name, args, NULL); |
773 |
} else if (context->functionProvider->isFunctionDisabled(fn,context)) { |
774 |
PARSE_DROP(@$); |
775 |
$$ = new NoFunctionCall; |
776 |
} else if (fn->minRequiredArgs() > 0) { |
777 |
PARSE_ERR(@1, (String("Built-in function '") + name + "' requires at least " + ToString(fn->minRequiredArgs()) + " arguments.").c_str()); |
778 |
$$ = new FunctionCall(name, args, NULL); |
779 |
} else { |
780 |
$$ = new FunctionCall(name, args, fn); |
781 |
} |
782 |
} |
783 |
|
784 |
args: |
785 |
arg { |
786 |
$$ = new Args(); |
787 |
$$->add($1); |
788 |
} |
789 |
| args ',' arg { |
790 |
$$ = $1; |
791 |
$$->add($3); |
792 |
} |
793 |
|
794 |
arg: |
795 |
expr |
796 |
|
797 |
assignment: |
798 |
VARIABLE ASSIGNMENT expr { |
799 |
//printf("variable lookup with name '%s' as assignment expr\n", $1); |
800 |
const char* name = $1; |
801 |
VariableRef var = context->variableByName(name); |
802 |
if (!var) |
803 |
PARSE_ERR(@1, (String("Variable assignment: No variable declared with name '") + name + "'.").c_str()); |
804 |
else if (var->isConstExpr()) |
805 |
PARSE_ERR(@2, (String("Variable assignment: Cannot modify const variable '") + name + "'.").c_str()); |
806 |
else if (!var->isAssignable()) |
807 |
PARSE_ERR(@2, (String("Variable assignment: Variable '") + name + "' is not assignable.").c_str()); |
808 |
else if (var->exprType() != $3->exprType()) |
809 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' is of type " + typeStr(var->exprType()) + ", assignment is of type " + typeStr($3->exprType()) + " though.").c_str()); |
810 |
else if (isNumber(var->exprType())) { |
811 |
NumberVariableRef numberVar = var; |
812 |
NumberExprRef expr = $3; |
813 |
if (numberVar->unitType() != expr->unitType()) |
814 |
PARSE_ERR(@3, (String("Variable assignment: Variable '") + name + "' has unit type " + unitTypeStr(numberVar->unitType()) + ", assignment has unit type " + unitTypeStr(expr->unitType()) + " though.").c_str()); |
815 |
else if (numberVar->isFinal() != expr->isFinal()) |
816 |
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()); |
817 |
} |
818 |
$$ = new Assignment(var, $3); |
819 |
} |
820 |
| VARIABLE '[' expr ']' ASSIGNMENT expr { |
821 |
const char* name = $1; |
822 |
VariableRef var = context->variableByName(name); |
823 |
if (!var) |
824 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
825 |
else if (!isArray(var->exprType())) |
826 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
827 |
else if (var->isConstExpr()) |
828 |
PARSE_ERR(@5, (String("Variable assignment: Cannot modify const array variable '") + name + "'.").c_str()); |
829 |
else if (!var->isAssignable()) |
830 |
PARSE_ERR(@5, (String("Variable assignment: Array variable '") + name + "' is not assignable.").c_str()); |
831 |
else if ($3->exprType() != INT_EXPR) |
832 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
833 |
else if ($3->asInt()->unitType()) |
834 |
PARSE_ERR(@3, "Unit types are not allowed as array index."); |
835 |
else if ($6->exprType() != scalarTypeOfArray(var->exprType())) |
836 |
PARSE_ERR(@5, (String("Variable '") + name + "' was declared as " + typeStr(var->exprType()) + ", assigned expression is " + typeStr($6->exprType()) + " though.").c_str()); |
837 |
else if ($6->asNumber()->unitType()) |
838 |
PARSE_ERR(@6, "Unit types are not allowed for array variables."); |
839 |
else if ($6->asNumber()->isFinal()) |
840 |
PARSE_ERR(@6, "Final operator '!' not allowed for array variables."); |
841 |
else if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
842 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
843 |
" exceeds size of array variable '" + name + |
844 |
"' which was declared with size " + |
845 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
846 |
else if ($3->asInt()->isFinal()) |
847 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
848 |
if (var->exprType() == INT_ARR_EXPR) { |
849 |
IntArrayElementRef element = new IntArrayElement(var, $3); |
850 |
$$ = new Assignment(element, $6); |
851 |
} else if (var->exprType() == REAL_ARR_EXPR) { |
852 |
RealArrayElementRef element = new RealArrayElement(var, $3); |
853 |
$$ = new Assignment(element, $6); |
854 |
} else { |
855 |
$$ = new NoOperation; // actually not possible to ever get here |
856 |
} |
857 |
} |
858 |
|
859 |
unary_expr: |
860 |
INTEGER { |
861 |
$$ = new IntLiteral({ .value = $1 }); |
862 |
} |
863 |
| REAL { |
864 |
$$ = new RealLiteral({ .value = $1 }); |
865 |
} |
866 |
| INTEGER_UNIT { |
867 |
IntLiteralRef literal = new IntLiteral({ |
868 |
.value = $1.iValue, |
869 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
870 |
.unitType = $1.unit |
871 |
}); |
872 |
$$ = literal; |
873 |
} |
874 |
| REAL_UNIT { |
875 |
RealLiteralRef literal = new RealLiteral({ |
876 |
.value = $1.fValue, |
877 |
.unitFactor = VMUnit::unitFactor($1.prefix), |
878 |
.unitType = $1.unit |
879 |
}); |
880 |
$$ = literal; |
881 |
} |
882 |
| STRING { |
883 |
$$ = new StringLiteral($1); |
884 |
} |
885 |
| VARIABLE { |
886 |
//printf("variable lookup with name '%s' as unary expr\n", $1); |
887 |
VariableRef var = context->variableByName($1); |
888 |
if (var) |
889 |
$$ = var; |
890 |
else { |
891 |
PARSE_ERR(@1, (String("No variable declared with name '") + $1 + "'.").c_str()); |
892 |
$$ = new IntLiteral({ .value = 0 }); |
893 |
} |
894 |
} |
895 |
| VARIABLE '[' expr ']' { |
896 |
const char* name = $1; |
897 |
VariableRef var = context->variableByName(name); |
898 |
if (!var) { |
899 |
PARSE_ERR(@1, (String("No variable declared with name '") + name + "'.").c_str()); |
900 |
$$ = new IntLiteral({ .value = 0 }); |
901 |
} else if (!isArray(var->exprType())) { |
902 |
PARSE_ERR(@2, (String("Variable '") + name + "' is not an array variable.").c_str()); |
903 |
$$ = new IntLiteral({ .value = 0 }); |
904 |
} else if ($3->exprType() != INT_EXPR) { |
905 |
PARSE_ERR(@3, (String("Array variable '") + name + "' accessed with non integer expression.").c_str()); |
906 |
$$ = new IntLiteral({ .value = 0 }); |
907 |
} else if ($3->asInt()->unitType() || $3->asInt()->hasUnitFactorEver()) { |
908 |
PARSE_ERR(@3, "Units are not allowed as array index."); |
909 |
$$ = new IntLiteral({ .value = 0 }); |
910 |
} else { |
911 |
if ($3->isConstExpr() && $3->asInt()->evalInt() >= ((ArrayExprRef)var)->arraySize()) |
912 |
PARSE_WRN(@3, (String("Index ") + ToString($3->asInt()->evalInt()) + |
913 |
" exceeds size of array variable '" + name + |
914 |
"' which was declared with size " + |
915 |
ToString(((ArrayExprRef)var)->arraySize()) + ".").c_str()); |
916 |
else if ($3->asInt()->isFinal()) |
917 |
PARSE_WRN(@3, "Final operator '!' is meaningless here."); |
918 |
if (var->exprType() == REAL_ARR_EXPR) { |
919 |
$$ = new RealArrayElement(var, $3); |
920 |
} else { |
921 |
$$ = new IntArrayElement(var, $3); |
922 |
} |
923 |
} |
924 |
} |
925 |
| '(' expr ')' { |
926 |
$$ = $2; |
927 |
} |
928 |
| functioncall { |
929 |
$$ = $1; |
930 |
} |
931 |
| '+' unary_expr { |
932 |
$$ = $2; |
933 |
} |
934 |
| '-' unary_expr { |
935 |
$$ = new Neg($2); |
936 |
} |
937 |
| BITWISE_NOT unary_expr { |
938 |
if ($2->exprType() != INT_EXPR) { |
939 |
PARSE_ERR(@2, (String("Right operand of bitwise operator '.not.' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
940 |
$$ = new IntLiteral({ .value = 0 }); |
941 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
942 |
PARSE_ERR(@2, "Units are not allowed for operands of bitwise operations."); |
943 |
$$ = new IntLiteral({ .value = 0 }); |
944 |
} else { |
945 |
$$ = new BitwiseNot($2); |
946 |
} |
947 |
} |
948 |
| NOT unary_expr { |
949 |
if ($2->exprType() != INT_EXPR) { |
950 |
PARSE_ERR(@2, (String("Right operand of operator 'not' must be an integer expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
951 |
$$ = new IntLiteral({ .value = 0 }); |
952 |
} else if ($2->asInt()->unitType() || $2->asInt()->hasUnitFactorEver()) { |
953 |
PARSE_ERR(@2, "Units are not allowed for operands of logical operations."); |
954 |
$$ = new IntLiteral({ .value = 0 }); |
955 |
} else { |
956 |
$$ = new Not($2); |
957 |
} |
958 |
} |
959 |
| '!' unary_expr { |
960 |
if (!isNumber($2->exprType())) { |
961 |
PARSE_ERR(@2, (String("Right operand of \"final\" operator '!' must be a scalar number expression, is ") + typeStr($2->exprType()) + " though.").c_str()); |
962 |
$$ = new IntLiteral({ .value = 0 }); |
963 |
} else { |
964 |
$$ = new Final($2); |
965 |
} |
966 |
} |
967 |
|
968 |
expr: |
969 |
concat_expr |
970 |
|
971 |
concat_expr: |
972 |
logical_or_expr |
973 |
| concat_expr '&' logical_or_expr { |
974 |
ExpressionRef lhs = $1; |
975 |
ExpressionRef rhs = $3; |
976 |
if (lhs->isConstExpr() && rhs->isConstExpr()) { |
977 |
$$ = new StringLiteral( |
978 |
lhs->evalCastToStr() + rhs->evalCastToStr() |
979 |
); |
980 |
} else { |
981 |
$$ = new ConcatString(lhs, rhs); |
982 |
} |
983 |
} |
984 |
|
985 |
logical_or_expr: |
986 |
logical_and_expr |
987 |
| logical_or_expr OR logical_and_expr { |
988 |
ExpressionRef lhs = $1; |
989 |
ExpressionRef rhs = $3; |
990 |
if (lhs->exprType() != INT_EXPR) { |
991 |
PARSE_ERR(@1, (String("Left operand of operator 'or' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
992 |
$$ = new IntLiteral({ .value = 0 }); |
993 |
} else if (rhs->exprType() != INT_EXPR) { |
994 |
PARSE_ERR(@3, (String("Right operand of operator 'or' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
995 |
$$ = new IntLiteral({ .value = 0 }); |
996 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
997 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
998 |
$$ = new IntLiteral({ .value = 0 }); |
999 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1000 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
1001 |
$$ = new IntLiteral({ .value = 0 }); |
1002 |
} else { |
1003 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1004 |
PARSE_WRN(@3, "Right operand of 'or' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1005 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1006 |
PARSE_WRN(@1, "Left operand of 'or' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1007 |
$$ = new Or(lhs, rhs); |
1008 |
} |
1009 |
} |
1010 |
|
1011 |
logical_and_expr: |
1012 |
bitwise_or_expr { |
1013 |
$$ = $1; |
1014 |
} |
1015 |
| logical_and_expr AND bitwise_or_expr { |
1016 |
ExpressionRef lhs = $1; |
1017 |
ExpressionRef rhs = $3; |
1018 |
if (lhs->exprType() != INT_EXPR) { |
1019 |
PARSE_ERR(@1, (String("Left operand of operator 'and' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1020 |
$$ = new IntLiteral({ .value = 0 }); |
1021 |
} else if (rhs->exprType() != INT_EXPR) { |
1022 |
PARSE_ERR(@3, (String("Right operand of operator 'and' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1023 |
$$ = new IntLiteral({ .value = 0 }); |
1024 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1025 |
PARSE_ERR(@1, "Units are not allowed for operands of logical operations."); |
1026 |
$$ = new IntLiteral({ .value = 0 }); |
1027 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1028 |
PARSE_ERR(@3, "Units are not allowed for operands of logical operations."); |
1029 |
$$ = new IntLiteral({ .value = 0 }); |
1030 |
} else { |
1031 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1032 |
PARSE_WRN(@3, "Right operand of 'and' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1033 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1034 |
PARSE_WRN(@1, "Left operand of 'and' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1035 |
$$ = new And(lhs, rhs); |
1036 |
} |
1037 |
} |
1038 |
|
1039 |
bitwise_or_expr: |
1040 |
bitwise_and_expr |
1041 |
| bitwise_or_expr BITWISE_OR bitwise_and_expr { |
1042 |
ExpressionRef lhs = $1; |
1043 |
ExpressionRef rhs = $3; |
1044 |
if (lhs->exprType() != INT_EXPR) { |
1045 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1046 |
$$ = new IntLiteral({ .value = 0 }); |
1047 |
} else if (rhs->exprType() != INT_EXPR) { |
1048 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.or.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1049 |
$$ = new IntLiteral({ .value = 0 }); |
1050 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1051 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
1052 |
$$ = new IntLiteral({ .value = 0 }); |
1053 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1054 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
1055 |
$$ = new IntLiteral({ .value = 0 }); |
1056 |
} else { |
1057 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1058 |
PARSE_WRN(@3, "Right operand of '.or.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1059 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1060 |
PARSE_WRN(@1, "Left operand of '.or.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1061 |
$$ = new BitwiseOr(lhs, rhs); |
1062 |
} |
1063 |
} |
1064 |
|
1065 |
bitwise_and_expr: |
1066 |
rel_expr { |
1067 |
$$ = $1; |
1068 |
} |
1069 |
| bitwise_and_expr BITWISE_AND rel_expr { |
1070 |
ExpressionRef lhs = $1; |
1071 |
ExpressionRef rhs = $3; |
1072 |
if (lhs->exprType() != INT_EXPR) { |
1073 |
PARSE_ERR(@1, (String("Left operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1074 |
$$ = new IntLiteral({ .value = 0 }); |
1075 |
} else if (rhs->exprType() != INT_EXPR) { |
1076 |
PARSE_ERR(@3, (String("Right operand of bitwise operator '.and.' must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1077 |
$$ = new IntLiteral({ .value = 0 }); |
1078 |
} else if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) { |
1079 |
PARSE_ERR(@1, "Units are not allowed for operands of bitwise operations."); |
1080 |
$$ = new IntLiteral({ .value = 0 }); |
1081 |
} else if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) { |
1082 |
PARSE_ERR(@3, "Units are not allowed for operands of bitwise operations."); |
1083 |
$$ = new IntLiteral({ .value = 0 }); |
1084 |
} else { |
1085 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1086 |
PARSE_WRN(@3, "Right operand of '.and.' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1087 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1088 |
PARSE_WRN(@1, "Left operand of '.and.' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1089 |
$$ = new BitwiseAnd(lhs, rhs); |
1090 |
} |
1091 |
} |
1092 |
|
1093 |
rel_expr: |
1094 |
add_expr |
1095 |
| rel_expr '<' add_expr { |
1096 |
ExpressionRef lhs = $1; |
1097 |
ExpressionRef rhs = $3; |
1098 |
if (!isNumber(lhs->exprType())) { |
1099 |
PARSE_ERR(@1, (String("Left operand of operator '<' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1100 |
$$ = new IntLiteral({ .value = 0 }); |
1101 |
} else if (!isNumber(rhs->exprType())) { |
1102 |
PARSE_ERR(@3, (String("Right operand of operator '<' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1103 |
$$ = new IntLiteral({ .value = 0 }); |
1104 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1105 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1106 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1107 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1108 |
$$ = new IntLiteral({ .value = 0 }); |
1109 |
} else { |
1110 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1111 |
PARSE_WRN(@3, "Right operand of '<' comparison is not 'final', left operand is 'final' though."); |
1112 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1113 |
PARSE_WRN(@1, "Left operand of '<' comparison is not 'final', right operand is 'final' though."); |
1114 |
$$ = new Relation(lhs, Relation::LESS_THAN, rhs); |
1115 |
} |
1116 |
} |
1117 |
| rel_expr '>' add_expr { |
1118 |
ExpressionRef lhs = $1; |
1119 |
ExpressionRef rhs = $3; |
1120 |
if (!isNumber(lhs->exprType())) { |
1121 |
PARSE_ERR(@1, (String("Left operand of operator '>' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1122 |
$$ = new IntLiteral({ .value = 0 }); |
1123 |
} else if (!isNumber(rhs->exprType())) { |
1124 |
PARSE_ERR(@3, (String("Right operand of operator '>' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1125 |
$$ = new IntLiteral({ .value = 0 }); |
1126 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1127 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1128 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1129 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1130 |
$$ = new IntLiteral({ .value = 0 }); |
1131 |
} else { |
1132 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1133 |
PARSE_WRN(@3, "Right operand of '>' comparison is not 'final', left operand is 'final' though."); |
1134 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1135 |
PARSE_WRN(@1, "Left operand of '>' comparison is not 'final', right operand is 'final' though."); |
1136 |
$$ = new Relation(lhs, Relation::GREATER_THAN, rhs); |
1137 |
} |
1138 |
} |
1139 |
| rel_expr LE add_expr { |
1140 |
ExpressionRef lhs = $1; |
1141 |
ExpressionRef rhs = $3; |
1142 |
if (!isNumber(lhs->exprType())) { |
1143 |
PARSE_ERR(@1, (String("Left operand of operator '<=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1144 |
$$ = new IntLiteral({ .value = 0 }); |
1145 |
} else if (!isNumber(rhs->exprType())) { |
1146 |
PARSE_ERR(@3, (String("Right operand of operator '<=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1147 |
$$ = new IntLiteral({ .value = 0 }); |
1148 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1149 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1150 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1151 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1152 |
$$ = new IntLiteral({ .value = 0 }); |
1153 |
} else { |
1154 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1155 |
PARSE_WRN(@3, "Right operand of '<=' comparison is not 'final', left operand is 'final' though."); |
1156 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1157 |
PARSE_WRN(@1, "Left operand of '<=' comparison is not 'final', right operand is 'final' though."); |
1158 |
$$ = new Relation(lhs, Relation::LESS_OR_EQUAL, rhs); |
1159 |
} |
1160 |
} |
1161 |
| rel_expr GE add_expr { |
1162 |
ExpressionRef lhs = $1; |
1163 |
ExpressionRef rhs = $3; |
1164 |
if (!isNumber(lhs->exprType())) { |
1165 |
PARSE_ERR(@1, (String("Left operand of operator '>=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1166 |
$$ = new IntLiteral({ .value = 0 }); |
1167 |
} else if (!isNumber(rhs->exprType())) { |
1168 |
PARSE_ERR(@3, (String("Right operand of operator '>=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1169 |
$$ = new IntLiteral({ .value = 0 }); |
1170 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1171 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1172 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1173 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1174 |
$$ = new IntLiteral({ .value = 0 }); |
1175 |
} else { |
1176 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1177 |
PARSE_WRN(@3, "Right operand of '>=' comparison is not 'final', left operand is 'final' though."); |
1178 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1179 |
PARSE_WRN(@1, "Left operand of '>=' comparison is not 'final', right operand is 'final' though."); |
1180 |
$$ = new Relation(lhs, Relation::GREATER_OR_EQUAL, rhs); |
1181 |
} |
1182 |
} |
1183 |
| rel_expr '=' add_expr { |
1184 |
ExpressionRef lhs = $1; |
1185 |
ExpressionRef rhs = $3; |
1186 |
if (!isNumber(lhs->exprType())) { |
1187 |
PARSE_ERR(@1, (String("Left operand of operator '=' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1188 |
$$ = new IntLiteral({ .value = 0 }); |
1189 |
} else if (!isNumber(rhs->exprType())) { |
1190 |
PARSE_ERR(@3, (String("Right operand of operator '=' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1191 |
$$ = new IntLiteral({ .value = 0 }); |
1192 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1193 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1194 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1195 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1196 |
$$ = new IntLiteral({ .value = 0 }); |
1197 |
} else { |
1198 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1199 |
PARSE_WRN(@3, "Right operand of '=' comparison is not 'final', left operand is 'final' though."); |
1200 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1201 |
PARSE_WRN(@1, "Left operand of '=' comparison is not 'final', right operand is 'final' though."); |
1202 |
$$ = new Relation(lhs, Relation::EQUAL, rhs); |
1203 |
} |
1204 |
} |
1205 |
| rel_expr '#' add_expr { |
1206 |
ExpressionRef lhs = $1; |
1207 |
ExpressionRef rhs = $3; |
1208 |
if (!isNumber(lhs->exprType())) { |
1209 |
PARSE_ERR(@1, (String("Left operand of operator '#' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1210 |
$$ = new IntLiteral({ .value = 0 }); |
1211 |
} else if (!isNumber(rhs->exprType())) { |
1212 |
PARSE_ERR(@3, (String("Right operand of operator '#' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1213 |
$$ = new IntLiteral({ .value = 0 }); |
1214 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1215 |
PARSE_ERR(@2, (String("Operands of relative operations must have same unit, left operand is ") + |
1216 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1217 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1218 |
$$ = new IntLiteral({ .value = 0 }); |
1219 |
} else { |
1220 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1221 |
PARSE_WRN(@3, "Right operand of '#' comparison is not 'final', left operand is 'final' though."); |
1222 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1223 |
PARSE_WRN(@1, "Left operand of '#' comparison is not 'final', right operand is 'final' though."); |
1224 |
$$ = new Relation(lhs, Relation::NOT_EQUAL, rhs); |
1225 |
} |
1226 |
} |
1227 |
|
1228 |
add_expr: |
1229 |
mul_expr |
1230 |
| add_expr '+' mul_expr { |
1231 |
ExpressionRef lhs = $1; |
1232 |
ExpressionRef rhs = $3; |
1233 |
if (!isNumber(lhs->exprType())) { |
1234 |
PARSE_ERR(@1, (String("Left operand of operator '+' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1235 |
$$ = new IntLiteral({ .value = 0 }); |
1236 |
} else if (!isNumber(rhs->exprType())) { |
1237 |
PARSE_ERR(@1, (String("Right operand of operator '+' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " 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 if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1244 |
PARSE_ERR(@2, (String("Operands of '+' operations must have same unit, left operand is ") + |
1245 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1246 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1247 |
$$ = new IntLiteral({ .value = 0 }); |
1248 |
} else { |
1249 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1250 |
PARSE_WRN(@3, "Right operand of '+' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1251 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1252 |
PARSE_WRN(@1, "Left operand of '+' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1253 |
$$ = new Add(lhs,rhs); |
1254 |
} |
1255 |
} |
1256 |
| add_expr '-' mul_expr { |
1257 |
ExpressionRef lhs = $1; |
1258 |
ExpressionRef rhs = $3; |
1259 |
if (!isNumber(lhs->exprType())) { |
1260 |
PARSE_ERR(@1, (String("Left operand of operator '-' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1261 |
$$ = new IntLiteral({ .value = 0 }); |
1262 |
} else if (!isNumber(rhs->exprType())) { |
1263 |
PARSE_ERR(@1, (String("Right operand of operator '-' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1264 |
$$ = new IntLiteral({ .value = 0 }); |
1265 |
} else if (lhs->exprType() != rhs->exprType()) { |
1266 |
PARSE_ERR(@2, (String("Operands of operator '-' must have same type; left operand is ") + |
1267 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1268 |
$$ = new IntLiteral({ .value = 0 }); |
1269 |
} else if (lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) { |
1270 |
PARSE_ERR(@2, (String("Operands of '-' operations must have same unit, left operand is ") + |
1271 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1272 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1273 |
$$ = new IntLiteral({ .value = 0 }); |
1274 |
} else { |
1275 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1276 |
PARSE_WRN(@3, "Right operand of '-' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1277 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1278 |
PARSE_WRN(@1, "Left operand of '-' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1279 |
$$ = new Sub(lhs,rhs); |
1280 |
} |
1281 |
} |
1282 |
|
1283 |
mul_expr: |
1284 |
unary_expr |
1285 |
| mul_expr '*' unary_expr { |
1286 |
ExpressionRef lhs = $1; |
1287 |
ExpressionRef rhs = $3; |
1288 |
if (!isNumber(lhs->exprType())) { |
1289 |
PARSE_ERR(@1, (String("Left operand of operator '*' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1290 |
$$ = new IntLiteral({ .value = 0 }); |
1291 |
} else if (!isNumber(rhs->exprType())) { |
1292 |
PARSE_ERR(@1, (String("Right operand of operator '*' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1293 |
$$ = new IntLiteral({ .value = 0 }); |
1294 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1295 |
PARSE_ERR(@2, (String("Only one operand of operator '*' may have a unit type, left operand is ") + |
1296 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1297 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1298 |
$$ = new IntLiteral({ .value = 0 }); |
1299 |
} else if (lhs->exprType() != rhs->exprType()) { |
1300 |
PARSE_ERR(@2, (String("Operands of operator '*' must have same type; left operand is ") + |
1301 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1302 |
$$ = new IntLiteral({ .value = 0 }); |
1303 |
} else { |
1304 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1305 |
PARSE_WRN(@3, "Right operand of '*' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1306 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1307 |
PARSE_WRN(@1, "Left operand of '*' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1308 |
$$ = new Mul(lhs,rhs); |
1309 |
} |
1310 |
} |
1311 |
| mul_expr '/' unary_expr { |
1312 |
ExpressionRef lhs = $1; |
1313 |
ExpressionRef rhs = $3; |
1314 |
if (!isNumber(lhs->exprType())) { |
1315 |
PARSE_ERR(@1, (String("Left operand of operator '/' must be a scalar number expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1316 |
$$ = new IntLiteral({ .value = 0 }); |
1317 |
} else if (!isNumber(rhs->exprType())) { |
1318 |
PARSE_ERR(@1, (String("Right operand of operator '/' must be a scalar number expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1319 |
$$ = new IntLiteral({ .value = 0 }); |
1320 |
} else if (lhs->asNumber()->unitType() && rhs->asNumber()->unitType() && |
1321 |
lhs->asNumber()->unitType() != rhs->asNumber()->unitType()) |
1322 |
{ |
1323 |
PARSE_ERR(@2, (String("Operands of operator '/' with two different unit types, left operand is ") + |
1324 |
unitTypeStr(lhs->asNumber()->unitType()) + " and right operand is " + |
1325 |
unitTypeStr(rhs->asNumber()->unitType()) + " though.").c_str()); |
1326 |
$$ = new IntLiteral({ .value = 0 }); |
1327 |
} else if (!lhs->asNumber()->unitType() && rhs->asNumber()->unitType()) { |
1328 |
PARSE_ERR(@3, ("Dividing left operand without any unit type by right operand with unit type (" + |
1329 |
unitTypeStr(rhs->asNumber()->unitType()) + ") is not possible.").c_str()); |
1330 |
$$ = new IntLiteral({ .value = 0 }); |
1331 |
} else if (lhs->exprType() != rhs->exprType()) { |
1332 |
PARSE_ERR(@2, (String("Operands of operator '/' must have same type; left operand is ") + |
1333 |
typeStr(lhs->exprType()) + " and right operand is " + typeStr(rhs->exprType()) + " though.").c_str()); |
1334 |
$$ = new IntLiteral({ .value = 0 }); |
1335 |
} else { |
1336 |
if (lhs->asNumber()->isFinal() && !rhs->asNumber()->isFinal()) |
1337 |
PARSE_WRN(@3, "Right operand of '/' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1338 |
else if (!lhs->asNumber()->isFinal() && rhs->asNumber()->isFinal()) |
1339 |
PARSE_WRN(@1, "Left operand of '/' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1340 |
$$ = new Div(lhs,rhs); |
1341 |
} |
1342 |
} |
1343 |
| mul_expr MOD unary_expr { |
1344 |
ExpressionRef lhs = $1; |
1345 |
ExpressionRef rhs = $3; |
1346 |
if (lhs->exprType() != INT_EXPR) { |
1347 |
PARSE_ERR(@1, (String("Left operand of modulo operator must be an integer expression, is ") + typeStr(lhs->exprType()) + " though.").c_str()); |
1348 |
$$ = new IntLiteral({ .value = 0 }); |
1349 |
} else if (rhs->exprType() != INT_EXPR) { |
1350 |
PARSE_ERR(@3, (String("Right operand of modulo operator must be an integer expression, is ") + typeStr(rhs->exprType()) + " though.").c_str()); |
1351 |
$$ = new IntLiteral({ .value = 0 }); |
1352 |
} else { |
1353 |
if (lhs->asInt()->unitType() || lhs->asInt()->hasUnitFactorEver()) |
1354 |
PARSE_ERR(@1, "Operands of modulo operator must not use any unit."); |
1355 |
if (rhs->asInt()->unitType() || rhs->asInt()->hasUnitFactorEver()) |
1356 |
PARSE_ERR(@3, "Operands of modulo operator must not use any unit."); |
1357 |
if (lhs->asInt()->isFinal() && !rhs->asInt()->isFinal()) |
1358 |
PARSE_WRN(@3, "Right operand of 'mod' operation is not 'final', result will be 'final' though since left operand is 'final'."); |
1359 |
else if (!lhs->asInt()->isFinal() && rhs->asInt()->isFinal()) |
1360 |
PARSE_WRN(@1, "Left operand of 'mod' operation is not 'final', result will be 'final' though since right operand is 'final'."); |
1361 |
$$ = new Mod(lhs,rhs); |
1362 |
} |
1363 |
} |
1364 |
|
1365 |
%% |
1366 |
|
1367 |
void InstrScript_error(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* err) { |
1368 |
//fprintf(stderr, "%d: %s\n", locp->first_line, err); |
1369 |
context->addErr(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, err); |
1370 |
} |
1371 |
|
1372 |
void InstrScript_warning(YYLTYPE* locp, LinuxSampler::ParserContext* context, const char* txt) { |
1373 |
//fprintf(stderr, "WRN %d: %s\n", locp->first_line, txt); |
1374 |
context->addWrn(locp->first_line, locp->last_line, locp->first_column+1, locp->last_column+1, txt); |
1375 |
} |
1376 |
|
1377 |
/// Custom implementation of yytnamerr() to ensure quotation is always stripped from token names before printing them to error messages. |
1378 |
int InstrScript_tnamerr(char* yyres, const char* yystr) { |
1379 |
if (*yystr == '"') { |
1380 |
int yyn = 0; |
1381 |
char const *yyp = yystr; |
1382 |
for (;;) |
1383 |
switch (*++yyp) |
1384 |
{ |
1385 |
/* |
1386 |
case '\'': |
1387 |
case ',': |
1388 |
goto do_not_strip_quotes; |
1389 |
|
1390 |
case '\\': |
1391 |
if (*++yyp != '\\') |
1392 |
goto do_not_strip_quotes; |
1393 |
*/ |
1394 |
/* Fall through. */ |
1395 |
default: |
1396 |
if (yyres) |
1397 |
yyres[yyn] = *yyp; |
1398 |
yyn++; |
1399 |
break; |
1400 |
|
1401 |
case '"': |
1402 |
if (yyres) |
1403 |
yyres[yyn] = '\0'; |
1404 |
return yyn; |
1405 |
} |
1406 |
/* |
1407 |
do_not_strip_quotes: ; |
1408 |
*/ |
1409 |
} |
1410 |
|
1411 |
if (! yyres) |
1412 |
return (int) yystrlen (yystr); |
1413 |
|
1414 |
return int( yystpcpy (yyres, yystr) - yyres ); |
1415 |
} |