📄 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:
'Times New =
Roman'">=BB=F9=B1=BE=CB=BC=CF=EB=CD=AC=B4=A6=C0=ED=CA=FD=D7=D6=B5=C4</SPA=
N><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-spacerun: =
yes"> =20
</SPAN>if(FindOK(temp))//FindOK</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'">=BA=AF=CA=FD=D4=DA=B9=D8=BC=FC=D7=D6=B1=ED=D6=D0=B2=E9=D5=D2=BA=CD=
</SPAN><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: =
10.5pt">temp</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'">=D7=D6=B7=FB=B4=AE=CF=E0=CD=AC=B5=C4=A3=AC=D5=D2=B5=BD=BE=CD=B7=B5=
=BB=D8=C0=E0=B1=F0=B1=E0=BA=C5</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><SPAN=20
style=3D"mso-spacerun: =
yes"> </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><SPAN=20
style=3D"mso-spacerun: =
yes"> </SPAN>fprintf(fpout,"%s\t\t%d=20
\n",temp,FindOK(temp));<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><SPAN=20
style=3D"mso-spacerun: =
yes"> </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><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: =
2"> &nbs=
p; =20
</SPAN><SPAN style=3D"mso-spacerun: yes"> =20
</SPAN>else<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><SPAN style=3D"mso-spacerun: yes"> =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><SPAN style=3D"mso-spacerun: yes"> =20
</SPAN>fprintf(fpout,"%s\t\t%d\n",temp,1);//</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'">=B1=EA=CA=BE=B7=FB=BA=C5</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: =
3"> &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: =
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: =
2"> &nbs=
p; =20
</SPAN><SPAN style=3D"mso-spacerun: yes"> =20
</SPAN>free(temp);<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: =
1"> =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: =
2"> &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: =
'Times New Roman'">=D2=D4=CF=C2=CE=AA</SPAN><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: =
10.5pt">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'">=D7=D6=BD=DA=B5=C4=D4=CB=CB=E3=B7=FB=BA=C5</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: =
2"> &nbs=
p; =20
</SPAN>else if( ch=3D=3D':')//</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'">=B7=FB=BA=C5=A1=B0=A3=BA=A3=BD=A1=B1</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: =
3"> &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: =
3"> &nbs=
p; =20
</SPAN>if(ch=3D=3D'=3D') <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>fprintf(fpout,"%s\t\t%d\n",":=3D",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><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>else <SPAN=20
style=3D"mso-tab-count: =
1"> =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>fprintf(fpout,"error in compileing %d lines unknown =
character=20
%c \n",lineno,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'">=B3=F6=B4=ED=C1=CB</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"><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(ch=3D=3D'>')//</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'">=B7=FB=BA=C5</SPAN><SPAN=20
style=3D"mso-bidi-font-size: 10.5pt"> </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'">=A1=B0</SPAN><SPAN=20
lang=3DEN-US style=3D"mso-bidi-font-size: 10.5pt">> =
=A1=B0 </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'">=BA=CD=A1=B1</SPAN><SPAN=20
lang=3DEN-US=20
style=3D"mso-bidi-font-size: =
10.5pt">>=3D=⌨️ 快捷键说明
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