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scanner.h
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1
12#pragma once
13
14#ifndef SCANNER_H
15# define SCANNER_H
16
20extern PSCRIPT_ENGINE_TOKEN_LIST GlobalIdTable;
21
25extern PUSER_DEFINED_FUNCTION_NODE UserDefinedFunctionHead;
26
27extern PUSER_DEFINED_FUNCTION_NODE CurrentUserDefinedFunction;
28
29extern PINCLUDE_NODE IncludeHead;
30
34extern unsigned int InputIdx;
35
39extern unsigned int CurrentLine;
40
41/*
42 * @brief current line start position
43 */
44extern unsigned int CurrentLineIdx;
45
46/*
47 * @brief current PTOKEN start position
48 */
49extern unsigned int CurrentTokenIdx;
50
52// Interfacing functions //
54
55PSCRIPT_ENGINE_TOKEN
56GetToken(char * c, char * str);
57
58PSCRIPT_ENGINE_TOKEN
59Scan(char * str, char * c);
60
61char
62sgetc(char * str);
63
64char
65IsKeyword(char * str);
66
67char
68IsId(char * str);
69
70char
71IsRegister(char * str);
72
73char
74IsVariableType(char * str);
75#endif // !SCANNER_H
GlobalIdTable
PSCRIPT_ENGINE_TOKEN_LIST GlobalIdTable
lookup table for storing global Ids
Definition globals.c:14
IncludeHead
PINCLUDE_NODE IncludeHead
Definition globals.c:17
CurrentTokenIdx
unsigned int CurrentTokenIdx
Definition globals.c:21
InputIdx
unsigned int InputIdx
number of read characters from input
Definition globals.c:18
UserDefinedFunctionHead
PUSER_DEFINED_FUNCTION_NODE UserDefinedFunctionHead
Definition globals.c:15
CurrentLine
unsigned int CurrentLine
number of current reading line
Definition globals.c:19
CurrentUserDefinedFunction
PUSER_DEFINED_FUNCTION_NODE CurrentUserDefinedFunction
Definition globals.c:16
CurrentLineIdx
unsigned int CurrentLineIdx
Definition globals.c:20
IsVariableType
char IsVariableType(char *str)
Check if string is variable type or not.
Definition scanner.c:1107
IsId
char IsId(char *str)
Check if string is Id or not.
Definition scanner.c:1127
Scan
PSCRIPT_ENGINE_TOKEN Scan(char *str, char *c)
Perform scanning the script engine.
Definition scanner.c:976
IsRegister
char IsRegister(char *str)
Check if string is register or not.
Definition scanner.c:1093
IsKeyword
char IsKeyword(char *str)
Check whether a string is a keyword or not.
Definition scanner.c:1064
GetToken
PSCRIPT_ENGINE_TOKEN GetToken(char *c, char *str)
reads a token from the input string
Definition scanner.c:22
sgetc
char sgetc(char *str)
Returns the next character in the input string.
Definition scanner.c:1042
PSCRIPT_ENGINE_TOKEN
struct _SCRIPT_ENGINE_TOKEN * PSCRIPT_ENGINE_TOKEN
PSCRIPT_ENGINE_TOKEN_LIST
struct _SCRIPT_ENGINE_TOKEN_LIST * PSCRIPT_ENGINE_TOKEN_LIST
PINCLUDE_NODE
struct _INCLUDE_NODE * PINCLUDE_NODE
PUSER_DEFINED_FUNCTION_NODE
struct _USER_DEFINED_FUNCTION_NODE * PUSER_DEFINED_FUNCTION_NODE