Makefile finished
Cette révision appartient à :
EyeXion
Parent
22583e6894
révision
ec422eaa3d
4 fichiers modifiés avec 496 ajouts et 1 suppressions
12
Makefile
Fichier normal
12
Makefile
Fichier normal
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@ -0,0 +1,12 @@
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default : parser
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parser : parser.c
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gcc -o parser.exe parser.c
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parser.c : main.py
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chmod +x main.py
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python3 main.py > parser.c
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clean :
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rm -f parser.c parser.exe
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9
grammar.txt
Fichier normal
9
grammar.txt
Fichier normal
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@ -0,0 +1,9 @@
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S : a S b
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S : int
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S : " string "
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S : { Assoc }
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Assoc : KeyVal AssocBis
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Assoc :
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AssocBis : , KeyVal AssocBis
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AssocBis :
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KeyVal : id = S
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2
main.py
Fichier normal → Fichier exécutable
2
main.py
Fichier normal → Fichier exécutable
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@ -162,5 +162,5 @@ int parse_{code}(char* word, int pos) {{
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if __name__ == '__main__':
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with open("sample.txt", "r") as f:
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with open("grammar.txt", "r") as f:
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parse(f.readlines())
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474
parser.c
Fichier normal
474
parser.c
Fichier normal
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@ -0,0 +1,474 @@
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#include <stdio.h>
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#include <string.h>
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void print_with_indent(int indent, char * string) {
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printf("%*s%s", indent, "", string);
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}
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int parse_S(char* word, int pos);
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int parse_Assoc(char* word, int pos);
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int parse_AssocBis(char* word, int pos);
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int parse_KeyVal(char* word, int pos);
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// ---- Functions to parse terminals ----
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int parse_string(char* word, int pos) {
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// Extract the next 6 chars of the word
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char substr[7];
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substr[0] = '\0';
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strncat(substr, &word[pos], 6);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "string") == 0 && (word[pos+6] == ' ' || word[pos+6] == '\0')) {
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print_with_indent(pos, "string\n");
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return 7;
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} else {
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return -1;
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}
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}
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int parse_a(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "a") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, "a\n");
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return 2;
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} else {
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return -1;
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}
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}
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int parse_44(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, ",") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, ",\n");
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return 2;
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} else {
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return -1;
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}
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}
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int parse_b(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "b") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, "b\n");
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return 2;
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} else {
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return -1;
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}
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}
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int parse_125(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "}") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, "}\n");
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return 2;
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} else {
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return -1;
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}
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}
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int parse_id(char* word, int pos) {
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// Extract the next 2 chars of the word
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char substr[3];
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substr[0] = '\0';
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strncat(substr, &word[pos], 2);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "id") == 0 && (word[pos+2] == ' ' || word[pos+2] == '\0')) {
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print_with_indent(pos, "id\n");
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return 3;
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} else {
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return -1;
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}
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}
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int parse_123(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "{") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, "{\n");
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return 2;
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} else {
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return -1;
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}
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}
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int parse_34(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "\"") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, "\"\n");
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return 2;
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} else {
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return -1;
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}
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}
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int parse_int(char* word, int pos) {
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// Extract the next 3 chars of the word
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char substr[4];
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substr[0] = '\0';
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strncat(substr, &word[pos], 3);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "int") == 0 && (word[pos+3] == ' ' || word[pos+3] == '\0')) {
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print_with_indent(pos, "int\n");
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return 4;
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} else {
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return -1;
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}
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}
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int parse_61(char* word, int pos) {
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// Extract the next 1 chars of the word
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char substr[2];
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substr[0] = '\0';
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strncat(substr, &word[pos], 1);
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// Compare this extracted string to the terminal,
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// and check if the next char is a space or the end of the string
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if (strcmp(substr, "=") == 0 && (word[pos+1] == ' ' || word[pos+1] == '\0')) {
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print_with_indent(pos, "=\n");
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return 2;
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} else {
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return -1;
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}
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}
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// ---- Functions to parse a non-terminal according to a rule ----
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int parse_S1(char* word, int pos) {
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int totalCharParsed = 0;
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int nbCharParsed;
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printf("Entering S1\n");
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nbCharParsed = parse_a(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail a in S1\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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nbCharParsed = parse_S(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail S in S1\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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nbCharParsed = parse_b(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail b in S1\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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printf("Success S1\n");
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return totalCharParsed;
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}
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int parse_S2(char* word, int pos) {
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int totalCharParsed = 0;
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int nbCharParsed;
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printf("Entering S2\n");
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nbCharParsed = parse_int(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail int in S2\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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printf("Success S2\n");
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return totalCharParsed;
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}
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int parse_S3(char* word, int pos) {
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int totalCharParsed = 0;
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int nbCharParsed;
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printf("Entering S3\n");
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nbCharParsed = parse_34(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail 34 in S3\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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nbCharParsed = parse_string(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail string in S3\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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nbCharParsed = parse_34(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail 34 in S3\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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printf("Success S3\n");
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return totalCharParsed;
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}
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int parse_S4(char* word, int pos) {
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int totalCharParsed = 0;
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int nbCharParsed;
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printf("Entering S4\n");
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nbCharParsed = parse_123(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail 123 in S4\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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nbCharParsed = parse_Assoc(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail Assoc in S4\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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nbCharParsed = parse_125(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail 125 in S4\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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printf("Success S4\n");
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return totalCharParsed;
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}
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int parse_Assoc1(char* word, int pos) {
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int totalCharParsed = 0;
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int nbCharParsed;
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printf("Entering Assoc1\n");
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nbCharParsed = parse_KeyVal(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
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printf("Fail KeyVal in Assoc1\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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|
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nbCharParsed = parse_AssocBis(word, pos + totalCharParsed);
|
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if (nbCharParsed == -1) {
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printf("Fail AssocBis in Assoc1\n");
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return -1;
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}
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totalCharParsed += nbCharParsed;
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printf("Success Assoc1\n");
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return totalCharParsed;
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}
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|
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int parse_Assoc2(char* word, int pos) {
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int totalCharParsed = 0;
|
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int nbCharParsed;
|
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printf("Entering Assoc2\n");
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|
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printf("Epsilon! -> Success\n");
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printf("Success Assoc2\n");
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return totalCharParsed;
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}
|
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|
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int parse_AssocBis1(char* word, int pos) {
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int totalCharParsed = 0;
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int nbCharParsed;
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printf("Entering AssocBis1\n");
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nbCharParsed = parse_44(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
|
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printf("Fail 44 in AssocBis1\n");
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return -1;
|
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}
|
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totalCharParsed += nbCharParsed;
|
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|
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nbCharParsed = parse_KeyVal(word, pos + totalCharParsed);
|
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if (nbCharParsed == -1) {
|
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printf("Fail KeyVal in AssocBis1\n");
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return -1;
|
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}
|
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totalCharParsed += nbCharParsed;
|
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|
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nbCharParsed = parse_AssocBis(word, pos + totalCharParsed);
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if (nbCharParsed == -1) {
|
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printf("Fail AssocBis in AssocBis1\n");
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return -1;
|
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}
|
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totalCharParsed += nbCharParsed;
|
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|
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printf("Success AssocBis1\n");
|
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return totalCharParsed;
|
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}
|
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|
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int parse_AssocBis2(char* word, int pos) {
|
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int totalCharParsed = 0;
|
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int nbCharParsed;
|
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printf("Entering AssocBis2\n");
|
||||
|
||||
printf("Epsilon! -> Success\n");
|
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|
||||
printf("Success AssocBis2\n");
|
||||
return totalCharParsed;
|
||||
}
|
||||
|
||||
int parse_KeyVal1(char* word, int pos) {
|
||||
int totalCharParsed = 0;
|
||||
int nbCharParsed;
|
||||
printf("Entering KeyVal1\n");
|
||||
|
||||
nbCharParsed = parse_id(word, pos + totalCharParsed);
|
||||
if (nbCharParsed == -1) {
|
||||
printf("Fail id in KeyVal1\n");
|
||||
return -1;
|
||||
}
|
||||
totalCharParsed += nbCharParsed;
|
||||
|
||||
nbCharParsed = parse_61(word, pos + totalCharParsed);
|
||||
if (nbCharParsed == -1) {
|
||||
printf("Fail 61 in KeyVal1\n");
|
||||
return -1;
|
||||
}
|
||||
totalCharParsed += nbCharParsed;
|
||||
|
||||
nbCharParsed = parse_S(word, pos + totalCharParsed);
|
||||
if (nbCharParsed == -1) {
|
||||
printf("Fail S in KeyVal1\n");
|
||||
return -1;
|
||||
}
|
||||
totalCharParsed += nbCharParsed;
|
||||
|
||||
printf("Success KeyVal1\n");
|
||||
return totalCharParsed;
|
||||
}
|
||||
|
||||
// ---- Functions to parse a non-terminal by testing all rules ----
|
||||
int parse_S(char* word, int pos) {
|
||||
int nbCharParsed;
|
||||
printf("Entering S\n");
|
||||
|
||||
nbCharParsed = parse_S1(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
nbCharParsed = parse_S2(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
nbCharParsed = parse_S3(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
nbCharParsed = parse_S4(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int parse_Assoc(char* word, int pos) {
|
||||
int nbCharParsed;
|
||||
printf("Entering Assoc\n");
|
||||
|
||||
nbCharParsed = parse_Assoc1(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
nbCharParsed = parse_Assoc2(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int parse_AssocBis(char* word, int pos) {
|
||||
int nbCharParsed;
|
||||
printf("Entering AssocBis\n");
|
||||
|
||||
nbCharParsed = parse_AssocBis1(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
nbCharParsed = parse_AssocBis2(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int parse_KeyVal(char* word, int pos) {
|
||||
int nbCharParsed;
|
||||
printf("Entering KeyVal\n");
|
||||
|
||||
nbCharParsed = parse_KeyVal1(word, pos);
|
||||
if (nbCharParsed != -1) {
|
||||
return nbCharParsed;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
int main(int argc, char* argv[]) {
|
||||
char* word;
|
||||
if (argc >= 2)
|
||||
word = argv[1];
|
||||
else
|
||||
word = "";
|
||||
int value = parse_S(word, 0);
|
||||
printf("%d\n", value);
|
||||
if (value == strlen(word) + 1) {
|
||||
printf("OK\n");
|
||||
} else {
|
||||
printf("KO\n");
|
||||
}
|
||||
}
|
||||
|
||||
Chargement…
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