linearc.pp
Class ALinearCNumericExpression
| Description | Hierarchy | Fields | Methods | Properties |
Unit
Declaration
type ALinearCNumericExpression = class(ALinearCExpression)
Description
This class represents a numeric expression in LinearC, which is an expression that consists of a single number, either integer or floating-point.
Hierarchy
- ALinearCParser
- ALinearCStatement
- ALinearCExpression
- ALinearCNumericExpression
Overview
Methods
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function init: boolean; override; |
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function parse: int64; override; |
Description
Methods
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function init: boolean; override; |
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Initializer | |
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function parse: int64; override; |
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Parse the expression. This method processes the current token, which should evaluate to a valid number. If so, the value of the token is assigned to the ALinearCExpression.value of the expression. If not, this method emits a syntax error. The current token encountered on entering this routine should be an instance of ANumericConstantToken. The method checks the opcode of the token to determine whether the token represents a valid number; if it does, the token opcode will evaluate to TOKCAT_NUMBER. Otherwise, it will be TOKCAT_ERROR. On return from this routine, the current token in the parent expression will refer to the token immediately following the number. | |
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