pull request 1

Lexical_analysis.cbp

@@ -33,6 +33,8 @@
 			<Add option="-fexceptions" />
 		</Compiler>
 		<Unit filename="main.cpp" />
+		<Unit filename="scanner.cpp" />
+		<Unit filename="scanner.hpp" />
 		<Extensions>
 			<code_completion />
 			<envvars />

Lexical_analysis.depend

@@ -11,3 +11,28 @@
 	<stdlib.h>
 	<ctype.h>
 
+1571616720 source:c:\users\martin\documents\github\lexical_analysis\main.cpp
+	"scanner.hpp"
+
+1571616845 c:\users\martin\documents\github\lexical_analysis\scanner.hpp
+	<stdio.h>
+	<stdlib.h>
+	<ctype.h>
+
+1571630038 source:c:\users\martin\documents\github\lexical_analysis\scanner.cpp
+	"scanner.hpp"
+
+1572506714 source:c:\users\alien\documents\github\lexical_analysis\main.cpp
+	"scanner.hpp"
+
+1572505997 c:\users\alien\documents\github\lexical_analysis\scanner.hpp
+	<stdio.h>
+	<stdlib.h>
+	<ctype.h>
+
+1572508676 source:c:\users\alien\documents\github\lexical_analysis\scanner.cpp
+	"scanner.hpp"
+
+1572496640 c:\users\alien\documents\github\lexical_analysis\scanner.cpp
+	"scanner.hpp"
+

Lexical_analysis.layout

@@ -2,13 +2,19 @@
 <CodeBlocks_layout_file>
 	<FileVersion major="1" minor="0" />
 	<ActiveTarget name="Debug" />
-	<File name="main.cpp" open="1" top="1" tabpos="1" split="0" active="1" splitpos="0" zoom_1="2" zoom_2="0">
+	<File name="scanner.cpp" open="1" top="1" tabpos="2" split="0" active="1" splitpos="0" zoom_1="5" zoom_2="0">
 		<Cursor>
-			<Cursor1 position="3368" topLine="103" />
+			<Cursor1 position="361" topLine="114" />
+		</Cursor>
+	</File>
+	<File name="scanner.hpp" open="1" top="0" tabpos="3" split="0" active="1" splitpos="0" zoom_1="0" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="214" topLine="14" />
+		</Cursor>
+	</File>
+	<File name="main.cpp" open="1" top="0" tabpos="1" split="0" active="1" splitpos="0" zoom_1="2" zoom_2="0">
+		<Cursor>
+			<Cursor1 position="58" topLine="0" />
 		</Cursor>
-		<Folding>
-			<Collapse line="72" />
-			<Collapse line="83" />
-		</Folding>
 	</File>
 </CodeBlocks_layout_file>

README.md

@@ -1 +1,2 @@
-# Lexical_analysis
+# Lexical_analysis
+In this blog I explain this pratice https://medium.com/@martincorona007/lexical-analysis-13f3b517854b

main.cpp

@@ -1,170 +1,41 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <ctype.h>
-//VARS
-
-FILE *file_p;
-int udef=4;
-long q=0;
-//FUNCTIONS
-int S(int);
-bool udfa();
-bool identifier();
-bool EOFF();
-char read();
-void fail();
-void sucess();
-void full_back();
-void tokenn();
-bool jump();
-int main()
-{
-    char c;
-    printf("ka");
-    file_p=fopen("text.txt","r");
-  /*  while((c=fgetc(file_p))!=EOF){
-        printf("%c",c);
-    }
-*/
-
-    tokenn();
-    fclose(file_p);
+#include "scanner.hpp"
+int main(){
+    open("text.txt");
+        sequential tokenn;
+
+        do
+        {
+            tokenn=next();
+            switch(tokenn){
+                case 0: printf("Identificator");break;
+                case 1: printf("EOF \n\nThe analysis had finished.");printf("\n==========Total Lines: %i========= ",lines());break;
+                case 2: printf("ERR");printf("Error in line : %i ",lines());break;
+                case 3: printf("Reserved word");break;
+                case 4: printf("Octal number"); break;
+                case 5: printf("Hexadecimal"); break;
+                case 6: printf("Real number"); break;
+                case 7: printf("Delimitation character Left parenthesis"); break;
+                case 8: printf("Delimitation character Right parenthesis"); break;
+                case 9: printf("Delimitation character Left bracket"); break;
+                case 10: printf("Delimitation character Right bracket"); break;
+                case 11: printf("Arithmetic operator sum");break;
+                case 12: printf("Arithmetic operator substraction");break;
+                case 13: printf("Arithmetic operator multiplication");break;
+                case 14: printf("Arithmetic operator division"); break;
+                case 15: printf("Puntuation sign comma");break;
+                case 16: printf("Puntuation sign semicolon"); break;
+                case 17: printf("Assign operator colon"); break;
+                case 18: /*printf("comments");*/ break;
+                /*case 1: printf("Identificator");break;
+                case 2: printf("Reserved word");break;
+
+
+
+
+                case 7: printf("END File");*/
+            }
+
+        } while (tokenn!=_eof && tokenn!=_err);
 
     return 0;
 }
-char read(){
-    return fgetc(file_p);
-}
-void fail(){
-    fseek(file_p,q,SEEK_SET);
-}
-void sucess(){
-    q=ftell(file_p);
-}
-void full_back(){
-    fseek(file_p,-1,SEEK_CUR);
-}
-bool EOFF(){
-    if(read()==EOF){
-        full_back();
-        return true;
-    }
-    full_back();
-    return false;
-}
-bool jump(){
-        while(isspace(read()))
-        full_back();
-        sucess();
-        return true;
-}
-void tokenn(){
-    jump();
-
-    do{
-        if(identifier()){
-            printf("identifier");
-        }else{
-        printf("error 4004");
-        }
-
-    }while(EOFF());
-}
-/*
-bool udfa(){
-    int actual=0,prior=0;
-    actual=0;
-    while(actual!=udef){
-        prior=actual;
-        actual=S(actual);
-
-    }
-    return prior==2;
-}*/
-/*
-int S(int q){
-    int state=0;
-
-    switch(q){
-
-        case 0:
-                if(read()==A){
-                    state=2;
-                }else if(read()==sub){
-                    state=1;
-                }else{
-                    state=udef;
-                }
-
-            break;
-        case 1:
-                if((read()==N)||(read()==sub)){
-                    state=1;
-                }else if(read()==A){
-                    state=2;
-                }else{
-                    state=udef;
-                }
-            break;
-        case 2:
-                if((read()==A)||(read==N)||(read==sub)){
-                    state=2;
-                }else{
-                    state=udef;
-                }
-
-            break;
-        default: state=udef;
-    }
-    return state;
-}*/
-bool identifier(){
-    int prior=0;
-    int actual=0;
-    char c;
-    while(actual!=udef){
-        prior=actual;
-        c=read();
-
-        switch(actual){
-
-            case 0:
-                    if((read()>=97||read()<=122)||(read()>=65||read()<=90)){
-                        actual=2;
-                    }else if(read()==' '){
-                        actual=1;
-                    }else{
-                        actual=udef;
-                    }
-
-                break;
-            case 1:
-                    if((read()>=48||read()<=57)||(read()==' ')){
-                        actual=1;
-                    }else if((read()>=97||read()<=122)||(read()>=65||read()<=90)){
-                        actual=2;
-                    }else{
-                        actual=udef;
-                    }
-                break;
-            case 2:
-                    if(((read()>=97||read()<=122)||(read()>=65||read()<=90))||(read()>=48||read()<=57)||(read()==' ')){
-                        actual=2;
-                    }else{
-                        actual=udef;
-                    }
-
-                break;
-
-        }
-    }
-    if(prior==2){
-        full_back();
-        sucess();
-
-        return true;
-    }
-    fail();
-
-    return false;
-}