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Closes #1717. Add more precise Verilog source location information to AST and RTLIL nodes.
This commit is contained in:
Alberto Gonzalez
parent
6edca05793
commit
f0afd65035
9 changed files with 384 additions and 301 deletions
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@ -55,29 +55,57 @@ namespace VERILOG_FRONTEND {
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}
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YOSYS_NAMESPACE_END
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#define YYSTYPE FRONTEND_VERILOG_YYSTYPE
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#define YYLTYPE FRONTEND_VERILOG_YYLTYPE
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#define SV_KEYWORD(_tok) \
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if (sv_mode) return _tok; \
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log("Lexer warning: The SystemVerilog keyword `%s' (at %s:%d) is not "\
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"recognized unless read_verilog is called with -sv!\n", yytext, \
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AST::current_filename.c_str(), frontend_verilog_yyget_lineno()); \
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frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext); \
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yylval->string = new std::string(std::string("\\") + yytext); \
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return TOK_ID;
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#define NON_KEYWORD() \
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frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext); \
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yylval->string = new std::string(std::string("\\") + yytext); \
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return TOK_ID;
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#define YY_INPUT(buf,result,max_size) \
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result = readsome(*VERILOG_FRONTEND::lexin, buf, max_size)
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YYLTYPE real_location;
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YYLTYPE old_location;
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#define YY_USER_ACTION \
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old_location = real_location; \
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real_location.first_line = real_location.last_line; \
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real_location.first_column = real_location.last_column; \
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for(int i = 0; yytext[i] != '\0'; ++i){ \
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if(yytext[i] == '\n') { \
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real_location.last_line++; \
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real_location.last_column = 1; \
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} \
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else { \
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real_location.last_column++; \
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} \
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} \
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(*yylloc) = real_location;
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#define YY_BREAK \
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(*yylloc) = old_location; \
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break;
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#undef YY_BUF_SIZE
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#define YY_BUF_SIZE 65536
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extern int frontend_verilog_yylex(YYSTYPE *yylval_param, YYLTYPE *yyloc_param);
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%}
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%option yylineno
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%option noyywrap
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%option nounput
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%option bison-locations
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%option bison-bridge
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%option prefix="frontend_verilog_yy"
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%x COMMENT
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@ -97,12 +125,16 @@ YOSYS_NAMESPACE_END
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if (!current_filename.empty() && current_filename.back() == '"')
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current_filename = current_filename.substr(0, current_filename.size()-1);
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frontend_verilog_yyset_lineno(0);
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yylloc->first_line = yylloc->last_line = 0;
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real_location.first_line = real_location.last_line = 0;
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}
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<INITIAL,SYNOPSYS_TRANSLATE_OFF>"`file_pop"[^\n]*\n {
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current_filename = fn_stack.back();
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fn_stack.pop_back();
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frontend_verilog_yyset_lineno(ln_stack.back());
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yylloc->first_line = yylloc->last_line = ln_stack.back();
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real_location.first_line = real_location.last_line = ln_stack.back();
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ln_stack.pop_back();
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}
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@ -110,6 +142,8 @@ YOSYS_NAMESPACE_END
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char *p = yytext + 5;
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while (*p == ' ' || *p == '\t') p++;
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frontend_verilog_yyset_lineno(atoi(p));
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yylloc->first_line = yylloc->last_line = atoi(p);
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real_location.first_line = real_location.last_line = atoi(p);
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while (*p && *p != ' ' && *p != '\t') p++;
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while (*p == ' ' || *p == '\t') p++;
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char *q = *p ? p + 1 : p;
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@ -198,7 +232,7 @@ YOSYS_NAMESPACE_END
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[a-zA-Z_$][a-zA-Z0-9_$]*/[ \t\r\n]*:[ \t\r\n]*(assert|assume|cover|restrict)[^a-zA-Z0-9_$\.] {
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if (!strcmp(yytext, "default"))
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return TOK_DEFAULT;
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frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext);
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yylval->string = new std::string(std::string("\\") + yytext);
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return TOK_SVA_LABEL;
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}
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@ -235,27 +269,27 @@ YOSYS_NAMESPACE_END
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"typedef" { SV_KEYWORD(TOK_TYPEDEF); }
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[0-9][0-9_]* {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_CONSTVAL;
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}
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[0-9]*[ \t]*\'[sS]?[bodhBODH]?[ \t\r\n]*[0-9a-fA-FzxZX?_]+ {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_CONSTVAL;
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}
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[0-9][0-9_]*\.[0-9][0-9_]*([eE][-+]?[0-9_]+)? {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_REALVAL;
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}
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[0-9][0-9_]*[eE][-+]?[0-9_]+ {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_REALVAL;
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}
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\" { BEGIN(STRING); }
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<STRING>\\. { yymore(); }
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<STRING>\\. { yymore(); real_location = old_location; }
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<STRING>\" {
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BEGIN(0);
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char *yystr = strdup(yytext);
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@ -291,14 +325,14 @@ YOSYS_NAMESPACE_END
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yystr[j++] = yystr[i++];
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}
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yystr[j] = 0;
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frontend_verilog_yylval.string = new std::string(yystr, j);
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yylval->string = new std::string(yystr, j);
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free(yystr);
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return TOK_STRING;
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}
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<STRING>. { yymore(); }
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<STRING>. { yymore(); real_location = old_location; }
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and|nand|or|nor|xor|xnor|not|buf|bufif0|bufif1|notif0|notif1 {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_PRIMITIVE;
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}
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@ -306,18 +340,18 @@ supply0 { return TOK_SUPPLY0; }
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supply1 { return TOK_SUPPLY1; }
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"$"(display|write|strobe|monitor|time|stop|finish|dumpfile|dumpvars|dumpon|dumpoff|dumpall) {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_ID;
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}
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"$"(setup|hold|setuphold|removal|recovery|recrem|skew|timeskew|fullskew|nochange) {
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if (!specify_mode) REJECT;
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_ID;
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}
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"$"(info|warning|error|fatal) {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_MSG_TASKS;
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}
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@ -325,12 +359,12 @@ supply1 { return TOK_SUPPLY1; }
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"$unsigned" { return TOK_TO_UNSIGNED; }
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[a-zA-Z_$][a-zA-Z0-9_$]* {
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frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext);
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yylval->string = new std::string(std::string("\\") + yytext);
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return TOK_ID;
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}
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[a-zA-Z_$][a-zA-Z0-9_$\.]* {
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frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext);
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yylval->string = new std::string(std::string("\\") + yytext);
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return TOK_ID;
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}
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@ -377,7 +411,7 @@ import[ \t\r\n]+\"(DPI|DPI-C)\"[ \t\r\n]+function[ \t\r\n]+ {
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}
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<IMPORT_DPI>[a-zA-Z_$][a-zA-Z0-9_$]* {
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frontend_verilog_yylval.string = new std::string(std::string("\\") + yytext);
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yylval->string = new std::string(std::string("\\") + yytext);
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return TOK_ID;
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}
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@ -393,7 +427,7 @@ import[ \t\r\n]+\"(DPI|DPI-C)\"[ \t\r\n]+function[ \t\r\n]+ {
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}
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"\\"[^ \t\r\n]+ {
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_ID;
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}
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@ -435,7 +469,7 @@ import[ \t\r\n]+\"(DPI|DPI-C)\"[ \t\r\n]+function[ \t\r\n]+ {
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[-+]?[=*]> {
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if (!specify_mode) REJECT;
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frontend_verilog_yylval.string = new std::string(yytext);
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yylval->string = new std::string(yytext);
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return TOK_SPECIFY_OPER;
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}
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