mirror of https://github.com/ecmwf/eccodes.git
83 lines
1.6 KiB
Plaintext
83 lines
1.6 KiB
Plaintext
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%{
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#include "loady.h"
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#define yylval load_lval
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#include <ctype.h>
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#include <string.h>
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int yylineno;
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/* Keep -Wall quiet */
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#define YY_NO_UNPUT
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/*
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This is needed for implementing "include", otherwise
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flex buffer optimization break the includes.
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*/
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#define YY_INPUT(buf,result,max_size) \
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{ \
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int c = fgetc(yyin); \
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result = (c == EOF) ? YY_NULL : (buf[0] = c, 1); \
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}
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%}
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SIGN [\-\+]
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E [eE]
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DIGIT [0-9]
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SIGNED {SIGN}?{DIGIT}+
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NUMB {DIGIT}+
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EXP {E}{SIGNED}
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IDENT [_A-Za-z]+[_0-9\.A-Za-z]*
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FLOAT1 {DIGIT}+"."{DIGIT}*{EXP}?
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FLOAT2 {DIGIT}*"."{DIGIT}+{EXP}?
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FLOAT3 {DIGIT}+{EXP}?
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%%
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\"|\' {
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int c,q = yytext[0];
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yyleng = 0;
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while((c = input()) && c != q && c != '\n')
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{
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if(c == '\\') yytext[yyleng++] = input();
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else yytext[yyleng++] = c;
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}
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yytext[yyleng++] = 0;
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yylval.str = strdup(yytext);
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return STRING;
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}
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"missing" return MISSING;
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{IDENT} { yylval.str = strdup(yytext); return IDENT; }
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{NUMB} { yylval.lval = atol((const char *)yytext); return INTEGER; }
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{FLOAT1} { yylval.dval = atof((const char *)yytext); return FLOAT; }
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{FLOAT2} { yylval.dval = atof((const char *)yytext); return FLOAT; }
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{FLOAT3} { yylval.dval = atof((const char *)yytext); return FLOAT; }
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\# {
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int c;
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while((c = input()) && (c != '\n')){}
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yylineno++;
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}
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[ \t\r]* ;
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\n yylineno++;
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. return *yytext;
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%%
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