X-Git-Url: https://git.piment-noir.org/?p=TP_AL_C.git;a=blobdiff_plain;f=lexer%2Fsyntactic_analyzer.c;h=2d3880ff963fa1cccac02f2c3371d9d989b751cd;hp=e23c130d5bb24c22fa93c966fd9c736c8c4c35db;hb=e70feb8ccefed05878cb3f714ea34ad8f8d8ddfa;hpb=224a9916c711eb5a0fe0c2065fdb62a0cf40afaf diff --git a/lexer/syntactic_analyzer.c b/lexer/syntactic_analyzer.c index e23c130..2d3880f 100644 --- a/lexer/syntactic_analyzer.c +++ b/lexer/syntactic_analyzer.c @@ -2,121 +2,207 @@ #include #include +#include #include "global_vars.h" #include "lexical_analyzer.h" +#include "print_helper.h" + +#define PRINT_TOKEN 0 /* Syntactic analyzer functions implementation */ enum TokenType tokenType; -static bool analyze_TEXT() { - bool rtval = true; +static void analyze_TEXT() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif if (tokenType == MOT) { scanner(); - rtval = analyze_TEXT(); + #if PRINT_TOKEN + wprint_token(); + #endif + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_TEXT(); } else if (tokenType != MOTCLE && tokenType != NPARA && tokenType != SECTION && \ tokenType != SSECTION && tokenType != FIN) { - rtval = false; + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_P() { - bool rtval = true; +static void analyze_P() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif if (tokenType == NPARA) { scanner(); + #if PRINT_TOKEN + wprint_token(); + #endif + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; if (tokenType == MOT) { scanner(); - rtval = analyze_TEXT(); - rtval = analyze_P(); + #if PRINT_TOKEN + wprint_token(); + #endif + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_TEXT(); + analyze_P(); + } else if (tokenType != SECTION && tokenType != SSECTION && tokenType != FIN) { + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } } else if (tokenType != SECTION && tokenType != SSECTION && tokenType != FIN) { - rtval = false; + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_HEAD() { - bool rtval = true; +static void analyze_HEAD() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif if (tokenType == MOTCLE) { scanner(); - rtval = analyze_TEXT(); + #if PRINT_TOKEN + wprint_token(); + #endif + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_TEXT(); if (tokenType == MOTCLE) { scanner(); - rtval = analyze_TEXT(); - } else { - rtval = false; + #if PRINT_TOKEN + wprint_token(); + #endif /* PRINT_TOKEN */ + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_TEXT(); + } else if (tokenType != NPARA && tokenType != SECTION && tokenType != FIN) { + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - } else { - rtval = false; + } else if (tokenType != NPARA && tokenType != SECTION && tokenType != FIN) { + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_H1() { - bool rtval = true; +static void analyze_H1() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif if (tokenType == SECTION) { scanner(); - rtval = analyze_TEXT(); - } else { - rtval = false; + #if PRINT_TOKEN + wprint_token(); + #endif /* PRINT_TOKEN */ + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_TEXT(); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_H2() { - bool rtval = true; +static void analyze_H2() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif if (tokenType == SSECTION) { scanner(); - rtval = analyze_TEXT(); - } else { - rtval = false; + #if PRINT_TOKEN + wprint_token(); + #endif /* PRINT_TOKEN */ + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_TEXT(); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_S2() { - bool rtval = true; - if (analyze_H2()) { - rtval = analyze_P(); - rtval = analyze_S2(); +static void analyze_S2() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif + if (tokenType == SSECTION) { + analyze_H2(); + analyze_P(); + analyze_S2(); } else if (tokenType != SECTION && tokenType != FIN) { - rtval = false; - } else { - rtval = false; + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_S1() { - bool rtval = true; - if (analyze_H1()) { - rtval = analyze_P(); - rtval = analyze_S2(); - rtval = analyze_S1(); +static void analyze_S1() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif + if (tokenType == SECTION) { + analyze_H1(); + analyze_P(); + analyze_S2(); + analyze_S1(); } else if (tokenType != FIN) { - rtval = false; - } else { - rtval = false; + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - return rtval; + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -static bool analyze_BODY() { - bool rtval = true; - rtval = analyze_P(); - rtval = analyze_S1(); - return rtval; +static void analyze_BODY() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif + analyze_P(); + analyze_S1(); + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif } -bool analyze_AXIOME() { - bool rtval = true; +void analyze_AXIOME() { + #if DEBUG + fprintf(stdout, "entering %s\n", __func__); + #endif scanner(); - rtval = analyze_HEAD(); - rtval = analyze_BODY(); + /* print the lexical analysis result */ + #if PRINT_TOKEN + wprint_token(); + #endif /* PRINT_TOKEN */ + token[tokenFound].type = tokenTypestr[tokenType]; + tokenFound++; + analyze_HEAD(); + analyze_BODY(); if (tokenType != FIN) { - rtval = false; + fprintf(stderr, "%s follows error on %s\n", __func__, tokenTypestr[tokenType]); + exit(EXIT_FAILURE); } - return rtval; + fprintf(stdout, "successful syntactic analysis\n"); + #if DEBUG + fprintf(stdout, "leaving %s\n", __func__); + #endif }