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/* |
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* Copyright (c) 2015-2019 Christian Schoenebeck |
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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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#ifndef CRUDEBYTE_CODE_TOKEN_H |
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#define CRUDEBYTE_CODE_TOKEN_H |
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|
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#include "../../common/global.h" |
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|
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namespace LinuxSampler { |
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|
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class SourceToken { |
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public: |
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enum BaseType_t { |
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// most fundamental tokens |
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END_OF_FILE = 0, |
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NEW_LINE, |
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// base token types |
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KEYWORD, |
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VARIABLE_NAME, |
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IDENTIFIER, // i.e. function name |
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NUMBER_LITERAL, |
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STRING_LITERAL, |
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COMMENT, |
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PREPROCESSOR, |
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METRIC_PREFIX, |
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STANDARD_UNIT, |
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OTHER, // anything else not classified here |
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}; |
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|
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enum ExtType_t { |
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NO_EXT, ///< no extended type available for this token |
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INTEGER_VARIABLE, |
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STRING_VARIABLE, |
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ARRAY_VARIABLE, |
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EVENT_HANDLER_NAME // only NKSP language |
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}; |
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|
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SourceToken() : baseType(END_OF_FILE), extType(NO_EXT), line(0), column(0) { |
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} |
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|
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SourceToken(BaseType_t t, String s = "") : baseType(t), extType(NO_EXT), txt(s), line(0), column(0) { |
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} |
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|
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SourceToken(ExtType_t t, String s = "") : baseType(OTHER), extType(t), txt(s), line(0), column(0) { |
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switch (t) { |
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case NO_EXT: baseType = OTHER; break; |
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case INTEGER_VARIABLE: baseType = VARIABLE_NAME; break; |
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case STRING_VARIABLE: baseType = VARIABLE_NAME; break; |
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case ARRAY_VARIABLE: baseType = VARIABLE_NAME; break; |
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case EVENT_HANDLER_NAME: baseType = IDENTIFIER; break; |
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} |
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} |
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|
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BaseType_t baseType; |
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ExtType_t extType; |
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String txt; |
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int line; |
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int column; |
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|
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String text() const { return txt; } |
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int firstLine() const { return line; } |
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int firstColumn() const { return column; } |
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|
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// base types |
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bool isEOF() const { return baseType == END_OF_FILE; } |
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bool isNewLine() const { return baseType == NEW_LINE; } |
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bool isKeyword() const { return baseType == KEYWORD; } |
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bool isVariableName() const { return baseType == VARIABLE_NAME; } |
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bool isIdentifier() const { return baseType == IDENTIFIER; } |
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bool isNumberLiteral() const { return baseType == NUMBER_LITERAL; } |
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bool isStringLiteral() const { return baseType == STRING_LITERAL; } |
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bool isComment() const { return baseType == COMMENT; } |
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bool isPreprocessor() const { return baseType == PREPROCESSOR; } |
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bool isMetricPrefix() const { return baseType == METRIC_PREFIX; } |
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bool isStdUnit() const { return baseType == STANDARD_UNIT; } |
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bool isOther() const { return baseType == OTHER; } |
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|
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// extended types |
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bool isIntegerVariable() const { return extType == INTEGER_VARIABLE; } |
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bool isStringVariable() const { return extType == STRING_VARIABLE; } |
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bool isArrayVariable() const { return extType == ARRAY_VARIABLE; } |
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bool isEventHandlerName() const { return extType == EVENT_HANDLER_NAME; } |
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|
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operator bool() const { return baseType != END_OF_FILE; } |
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|
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bool equalsType(const SourceToken& other) const { |
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return baseType == other.baseType && extType == other.extType; |
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} |
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}; |
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|
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} // namespace LinuxSampler |
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|
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#endif // CRUDEBYTE_CODE_TOKEN_H |
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