📄 csdn技术中心 一个小语言的词法分析程序原理及其实现(2).mht
字号:
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><o:p><FONT=20
size=3D3> </FONT></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>char* temp1=20
=3D(char*)malloc(j+1);/<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>memcpy(temp1,arr,j);<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>temp1[j] =3D'\0';//</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New =
Roman'">=B0=D1=CA=FD=D7=E9=C0=EF=C3=E6=B5=C4=C4=DA=C8=DD=BF=BD=B1=B4=B5=BD=
=C1=AC=CD=E2=D2=BB=B8=F6=CA=FD=D7=E9=C0=EF=C3=E6=A3=AC=D2=F2=CE=AA=CE=D2=B6=
=A8=D2=E5=B5=C4</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>//arr</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New Roman'">=CE=AA</SPAN><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: =
10.5pt">255</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New =
Roman'">=B8=F6=D7=D6=BD=DA=A3=AC=CA=B5=BC=CA=C9=CF=D0=B4=B2=BB=B5=BD=C4=C7=
=C3=B4=B6=E0=A3=AC=CB=F9=D2=D4=D6=BB=BF=BD=B1=B4=CA=B5=BC=CA=C9=CF=D3=D0=CA=
=FD=BE=DD=B5=C4</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><o:p><FONT=20
size=3D3> </FONT></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>j=3D0;//</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New =
Roman'">=BB=D6=B8=B4=B3=F5=CA=BC=D7=B4=CC=AC=A3=AC=D2=D4=B1=B8=CF=C2=B4=CE=
=CA=B9=D3=C3</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>fprintf(fpout,"%s\t\t%d\n",temp1,2);//</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New Roman'">=B3=A3=CA=FD</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
2"> &nbs=
p; =20
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>free(temp1);//</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New Roman'">=CA=CD=B7=C5=C4=DA=B4=E6</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
2"> &nbs=
p; =20
</SPAN><SPAN style=3D"mso-spacerun: yes"> =20
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
2"> &nbs=
p; =20
</SPAN>}<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><o:p><FONT=20
size=3D3> </FONT></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
2"> &nbs=
p; =20
</SPAN>else if(IsAlpha(ch))//</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
'Times New Roman'">=CA=C7=D7=D6=C4=B8=BF=AA=CD=B7=B5=C4</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt"><o:p></o:p></SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
2"> &nbs=
p; =20
</SPAN>{<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
2"> &nbs=
p; =20
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>while(IsAlpha(ch) ||=20
IsDigit(ch))<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>{<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
4"> &nbs=
p;  =
; =20
</SPAN>arr[i] =3Dch;<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
4"> &nbs=
p;  =
; =20
</SPAN>i++;<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
4"> &nbs=
p;  =
; =20
=
</SPAN>fscanf(fpin,"%c",&ch);<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
4"> &nbs=
p;  =
; =20
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>}<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
=
</SPAN>fseek(fpin,-1L,SEEK_CUR);<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN><o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>char* temp =3D (char*)malloc(i+1)=20
;<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>memcpy(temp,arr,i);<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>temp[i] =3D'\0';<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><o:p><FONT=20
size=3D3> </FONT></o:p></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><SPAN =
lang=3DEN-US=20
style=3D"mso-bidi-font-size: 10.5pt"><FONT size=3D3><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>i=3D0;<o:p></o:p></FONT></SPAN></P>
<P class=3DMsoNormal style=3D"MARGIN: 0cm 0cm 0pt"><FONT =
size=3D3><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt"><SPAN=20
style=3D"mso-tab-count: =
3"> &nbs=
p; =20
</SPAN>/*</SPAN><SPAN=20
style=3D"FONT-FAMILY: =CB=CE=CC=E5; mso-bidi-font-size: =
10.5pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: =
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