/* * for * : "for" "(" annotations ("val" | "var")? (multipleVariableDeclarations | variableDeclarationEntry) "in" expression ")" expression * ; * * TODO: empty loop body (at the end of the block)? */ private void parseFor() { assert _at(FOR_KEYWORD); PsiBuilder.Marker loop = mark(); advance(); // FOR_KEYWORD if (expect(LPAR, "Expecting '(' to open a loop range", EXPRESSION_FIRST)) { myBuilder.disableNewlines(); if (!at(RPAR)) { PsiBuilder.Marker parameter = mark(); if (at(VAL_KEYWORD) || at(VAR_KEYWORD)) advance(); // VAL_KEYWORD or VAR_KEYWORD if (at(LPAR)) { myJetParsing.parseMultiDeclarationName(TokenSet.create(IN_KEYWORD, LBRACE)); parameter.done(MULTI_VARIABLE_DECLARATION); } else { expect(IDENTIFIER, "Expecting a variable name", TokenSet.create(COLON, IN_KEYWORD)); if (at(COLON)) { advance(); // COLON myJetParsing.parseTypeRef(TokenSet.create(IN_KEYWORD)); } parameter.done(VALUE_PARAMETER); } if (expect(IN_KEYWORD, "Expecting 'in'", TokenSet.create(LPAR, LBRACE, RPAR))) { PsiBuilder.Marker range = mark(); parseExpression(); range.done(LOOP_RANGE); } } else { error("Expecting a variable name"); } expectNoAdvance(RPAR, "Expecting ')'"); myBuilder.restoreNewlinesState(); } parseControlStructureBody(); loop.done(FOR); }