158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
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typedef enum // tokens: * . ? [ ] / help dt dg L number <identifier>
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{
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tokSTAR, // *
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tokDOT, // .
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tokQUESTION, // ?
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tokLBRAC, // [
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tokRBRAC, // ]
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tokSLASH, // /
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tokKEYWORD, // alnum strings which match one of the known keys.
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tokNUMBER, // 0xcbde 129
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tokIDENTIFIER // non-keyword and non-number alnum
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} eTOKTYPE;
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typedef struct
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{
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eTOKTYPE eTok;
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UINT uID; // Tok-specific ID:
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// IDENTIFIER: a unique number across all identifiers.
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// NUMBER: the number
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// KEYWORD: eKEYWORD
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// Other tokens: uID is unused.
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char *szStr; // String containg original chars that made up this token.
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// Note: a string of pure hex digits which is followed
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// by a non-alnum char is assumed to be a number --
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// later if it turns out to be more likely that it is
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// an identifier, it is converted to an identifier.
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// Same deal with a keyword -- if it turns out based
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// on context to be most likely an identifier or part
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// of an identifier, it will be converted to an
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// identifier.
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} TOKEN;
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typedef enum
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{
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keywordNULL, // Invalid keyword, use for sentinels.
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keywordHELP, // help
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keywordDUMP_TYPE, // dt
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keywordDUMP_GLOBALS, // dg
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keywordL // L
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} eKEYWORD;
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//
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// Following is not used currently...
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//
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typedef enum
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{
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phraseCMD,
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phraseIDENTIFIER, // with optional wildcards
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phraseINDEX, // [2], [*], [1-3], etc.
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phraseDOT, // .
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phraseNUMBER, // 0x8908 abcd
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phraseOBJ_COUNT, // L 2
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phraseFLAG // /xyz
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} ePHRASE;
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typedef enum
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{
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cmdDUMP_TYPE,
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cmdDUMP_GLOBALS,
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cmdHELP
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}ePRIMARY_COMMAND;
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struct _DBGCOMMAND;
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typedef void (*PFN_SPECIAL_COMMAND_HANDLER)(struct _DBGCOMMAND *pCmd);
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typedef struct _DBGCOMMAND
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{
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NAMESPACE *pNameSpace; // Name space applicable for this command.
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ePRIMARY_COMMAND ePrimaryCmd; // DumpGlobals, DumpType, help
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UINT uFlags; // One or more fCMDFLAG_*
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TOKEN *ptokObject; // eg <type>
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TOKEN *ptokSubObject; // eg <field>
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UINT uVectorIndexStart; // if[0]
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UINT uVectorIndexEnd; // if[0]
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UINT uObjectAddress; // <address>
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UINT uObjectCount; // L 10
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void *pvContext; // private context.
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//PFN_SPECIAL_COMMAND_HANDLER pfnSpecialHandler;
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} DBGCOMMAND;
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#define fCMDFLAG_HAS_VECTOR_INDEX (0x1<<0)
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#define fCMDFLAG_HAS_SUBOBJECT (0x1<<1)
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#define fCMDFLAG_HAS_OBJECT_ADDRESS (0x1<<2)
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#define fCMDFLAG_HAS_OBJECT_COUNT (0x1<<3)
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#define fCMDFLAG_OBJECT_STAR_PREFIX (0x1<<4)
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#define fCMDFLAG_OBJECT_STAR_SUFFIX (0x1<<5)
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#define fCMDFLAG_SUBOBJECT_STAR_PREFIX (0x1<<6)
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#define fCMDFLAG_SUBOBJECT_STAR_SUFFIX (0x1<<7)
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#define CMD_SET_FLAG(_pCmd, _f) ((_pCmd)->uFlags |= (_f))
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#define CMD_CLEAR_FLAG(_pCmd, _f) ((_pCmd)->uFlags &= ~(_f))
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#define CMD_IS_FLAG_SET(_pCmd, _f) ((_pCmd)->uFlags & (_f))
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DBGCOMMAND *
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Parse(
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IN const char *szInput,
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IN NAMESPACE *
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);
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void
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FreeCommand(
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DBGCOMMAND *pCommand
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);
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void
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DumpCommand(
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DBGCOMMAND *pCommand
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);
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#if 0
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//!aac dt <type> . <field> <address> L <count> <flags>
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//!aac dt <type> [index] . <field> L <count> <flags>
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//!aac dg <name> . <field>
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//
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//!aac dt if[*].*handle* 0x324890 L 5
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0. Break up sentance into tokens:
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keywords: * . L dg dt ? help [ ] /
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identifier: contiguous non-keyword alnum
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number: interpreted as hex with optional 0x.
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1st pass: combine "[*]", "*word*", "/xyz" into single entities
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1. Parse primary command: literal text
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2. Parse primary object: [*]literal_text[*]
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3. Parse index "[...]"
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4. Parse field "."
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5. Parse address (hex number)
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6. Parse object count L <count>
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#endif // 0
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void
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DoCommand(DBGCOMMAND *pCmd, PFN_SPECIAL_COMMAND_HANDLER pfnHandler);
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void
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DoDumpType(DBGCOMMAND *pCmd);
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void
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DoDumpGlobals(DBGCOMMAND *pCmd);
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void
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DoHelp(DBGCOMMAND *pCmd);
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