3350152693
Issue #174 git-svn-id: http://picoc.googlecode.com/svn/trunk@586 21eae674-98b7-11dd-bd71-f92a316d2d60
89 lines
2 KiB
C
89 lines
2 KiB
C
#include "../picoc.h"
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#include "../interpreter.h"
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/* mark where to end the program for platforms which require this */
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jmp_buf PicocExitBuf;
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void PlatformInit(Picoc *pc)
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{
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}
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void PlatformCleanup(Picoc *pc)
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{
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}
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/* get a line of interactive input */
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char *PlatformGetLine(char *Buf, int MaxLen, const char *Prompt)
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{
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if (Prompt != NULL)
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printf("%s", Prompt);
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fflush(stdout);
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return fgets(Buf, MaxLen, stdin);
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}
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/* get a character of interactive input */
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int PlatformGetCharacter()
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{
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fflush(stdout);
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return getchar();
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}
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/* write a character to the console */
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void PlatformPutc(unsigned char OutCh, union OutputStreamInfo *Stream)
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{
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putchar(OutCh);
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}
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/* read a file into memory */
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char *PlatformReadFile(Picoc *pc, const char *FileName)
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{
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struct stat FileInfo;
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char *ReadText;
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FILE *InFile;
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int BytesRead;
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char *p;
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if (stat(FileName, &FileInfo))
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ProgramFailNoParser(pc, "can't read file %s\n", FileName);
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ReadText = malloc(FileInfo.st_size + 1);
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if (ReadText == NULL)
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ProgramFailNoParser(pc, "out of memory\n");
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InFile = fopen(FileName, "r");
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if (InFile == NULL)
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ProgramFailNoParser(pc, "can't read file %s\n", FileName);
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BytesRead = fread(ReadText, 1, FileInfo.st_size, InFile);
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if (BytesRead == 0)
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ProgramFailNoParser(pc, "can't read file %s\n", FileName);
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ReadText[BytesRead] = '\0';
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fclose(InFile);
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if ((ReadText[0] == '#') && (ReadText[1] == '!'))
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{
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for (p = ReadText; (*p != '\r') && (*p != '\n'); ++p)
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{
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*p = ' ';
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}
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}
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return ReadText;
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}
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/* read and scan a file for definitions */
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void PicocPlatformScanFile(Picoc *pc, const char *FileName)
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{
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char *SourceStr = PlatformReadFile(pc, FileName);
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PicocParse(pc, FileName, SourceStr, strlen(SourceStr), TRUE, FALSE, TRUE, TRUE);
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}
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/* exit the program */
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void PlatformExit(Picoc *pc, int RetVal)
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{
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pc->PicocExitValue = RetVal;
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longjmp(pc->PicocExitBuf, 1);
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}
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