mirror of
https://github.com/ptitSeb/Serious-Engine
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24cb244d43
This was a _ton_ of changes, made 15 years ago, so there are probably some problems to work out still. Among others: Engine/Base/Stream.* was mostly abandoned and will need to be re-ported. Still, this is a pretty good start, and probably holds a world record for lines of changes or something. :)
104 lines
3.0 KiB
C
104 lines
3.0 KiB
C
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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#include <Engine/Base/Shell_internal.h>
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#include <Engine/Templates/AllocationArray.h>
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// needed for parser and scanner
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#ifdef PLATFORM_WIN32
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#define alloca _alloca
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#endif
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// for static linking mojo...
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#define yyparse yyparse_engine_base_parser
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#define yyerror yyerror_engine_base_parser
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extern void yyerror(char *s);
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extern int yyparse(void);
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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YY_BUFFER_STATE yy_scan_string(const char *str);
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void yy_delete_buffer(YY_BUFFER_STATE b);
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// declarations for recursive shell script parsing
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#define SHELL_MAX_INCLUDE_LEVEL 64 // this is both for includes _and_ nested parsing!
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extern int _bExecNextBlock;
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#define YY_NEVER_INTERACTIVE 1
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// used for communication between CShell and parser
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// value for declaring external symbol (defined in exe or dll code)
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extern void *_pvNextToDeclare;
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extern const char * _shell_strFileName;
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// temporary values for parsing
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extern CDynamicStackArray<CTString> _shell_astrTempStrings;
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// values for extern declarations
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extern CDynamicStackArray<CTString> _shell_astrExtStrings;
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extern CDynamicStackArray<FLOAT> _shell_afExtFloats;
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// all types are allocated here
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extern CAllocationArray<ShellType> _shell_ast;
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extern INDEX _shell_istUndeclared;
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// make a new type for a basic type
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INDEX ShellTypeNewVoid(void);
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INDEX ShellTypeNewIndex(void);
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INDEX ShellTypeNewFloat(void);
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INDEX ShellTypeNewString(void);
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INDEX ShellTypeNewByType(enum ShellTypeType stt);
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// make a new pointer type
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INDEX ShellTypeNewPointer(INDEX istBaseType);
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// make a new array type
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INDEX ShellTypeNewArray(INDEX istMemberType, int iArraySize);
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// make a new function type
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INDEX ShellTypeNewFunction(INDEX istReturnType);
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// add an argument to a function from the left
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void ShellTypeAddFunctionArgument(INDEX istFunction, INDEX istArgument);
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// make a copy of a type tree
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INDEX ShellTypeMakeDuplicate(INDEX istOriginal);
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// compare two types
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BOOL ShellTypeIsSame(INDEX ist1, INDEX ist2);
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// delete an entire type tree
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void ShellTypeDelete(INDEX istToDelete);
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// print c-like syntax description of the type
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char *ShellTypeSPrintF(char *strDestination, char *strDeclarator, INDEX istToPrint);
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BOOL ShellTypeIsPointer(INDEX ist);
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BOOL ShellTypeIsArray(INDEX ist);
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BOOL ShellTypeIsIntegral(INDEX ist);
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struct LValue {
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enum ShellTypeType lv_sttType;
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CShellSymbol *lv_pssSymbol;
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void *lv_pvAddress;
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};
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struct value {
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enum ShellTypeType sttType;
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float fFloat; // for float constants
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INDEX iIndex; // for index constants
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const char *strString; // for string constants
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};
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struct arguments {
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INDEX istType; // type of arguments
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INDEX ctBytes; // total number of bytes taken by arguments on stack
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};
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void ShellPushBuffer(const char *strName, const char *strBuffer, BOOL bParserEnd);
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BOOL ShellPopBuffer(void);
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const char *ShellGetBufferName(void);
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int ShellGetBufferLineNumber(void);
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const char *ShellGetBufferContents(void);
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int ShellGetBufferStackDepth(void);
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void ShellCountOneLine(void);
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