2 /******************************************************************************
4 * Module Name: dtparser.l - Flex input file for table compiler lexer
6 *****************************************************************************/
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21 * including a substantially similar Disclaimer requirement for further
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24 * of any contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
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45 #include "aslcompiler.h"
46 #include "dtparser.y.h"
48 #define YY_NO_INPUT /* No file input, we use strings only */
50 #define _COMPONENT ACPI_COMPILER
51 ACPI_MODULE_NAME ("dtscanner")
58 HexNumber 0[xX][0-9a-fA-F]+
59 DecimalNumber 0[dD][0-9]+
60 LabelRef $[a-zA-Z][0-9a-zA-Z]*
66 \( return (EXPOP_PAREN_OPEN);
67 \) return (EXPOP_PAREN_CLOSE);
68 \~ return (EXPOP_ONES_COMPLIMENT);
69 \! return (EXPOP_LOGICAL_NOT);
70 \* return (EXPOP_MULTIPLY);
71 \/ return (EXPOP_DIVIDE);
72 \% return (EXPOP_MODULO);
73 \+ return (EXPOP_ADD);
74 \- return (EXPOP_SUBTRACT);
75 ">>" return (EXPOP_SHIFT_RIGHT);
76 "<<" return (EXPOP_SHIFT_LEFT);
77 \< return (EXPOP_LESS);
78 \> return (EXPOP_GREATER);
79 "<=" return (EXPOP_LESS_EQUAL);
80 ">=" return (EXPOP_GREATER_EQUAL);
81 "==" return (EXPOP_EQUAL);
82 "!=" return (EXPOP_NOT_EQUAL);
83 \& return (EXPOP_AND);
84 \^ return (EXPOP_XOR);
86 "&&" return (EXPOP_LOGICAL_AND);
87 "||" return (EXPOP_LOGICAL_OR);
88 <<EOF>> return (EXPOP_EOF); /* null end-of-string */
90 {LabelRef} return (EXPOP_LABEL);
91 {Number} return (EXPOP_NUMBER);
92 {HexNumber} return (EXPOP_HEX_NUMBER);
93 {NewLine} return (EXPOP_NEW_LINE);
94 {WhiteSpace} /* Ignore */
101 * Local support functions
103 YY_BUFFER_STATE LexBuffer;
105 /******************************************************************************
107 * FUNCTION: DtInitLexer, DtTerminateLexer
109 * PARAMETERS: String - Input string to be parsed
113 * DESCRIPTION: Initialization and termination routines for lexer. Lexer needs
114 * a buffer to handle strings instead of a file.
116 *****************************************************************************/
123 LexBuffer = yy_scan_string (String);
124 return (LexBuffer == NULL);
132 yy_delete_buffer (LexBuffer);