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authorJulian T <julian@jtle.dk>2020-02-11 12:24:56 +0100
committerJulian T <julian@jtle.dk>2020-02-11 12:24:56 +0100
commit6db1a2cdd3b96731f2e092d55d8c2136eabc52d0 (patch)
tree2be8fae8ce82d708ed9f00f376dda14420850e80 /sem3/osc/miniproject/cnasm/regn.l
parent57305119e05559c1c37e903aef89cd43f44c42c9 (diff)
Rename and cleanup
Diffstat (limited to 'sem3/osc/miniproject/cnasm/regn.l')
-rw-r--r--sem3/osc/miniproject/cnasm/regn.l39
1 files changed, 39 insertions, 0 deletions
diff --git a/sem3/osc/miniproject/cnasm/regn.l b/sem3/osc/miniproject/cnasm/regn.l
new file mode 100644
index 0000000..00876d6
--- /dev/null
+++ b/sem3/osc/miniproject/cnasm/regn.l
@@ -0,0 +1,39 @@
+%{
+#include <math.h>
+#include <string.h>
+#include "regn.tab.h"
+#include "ast.h"
+%}
+
+id [a-zA-Z0-9_;]([^\n=><(){}])*
+if if[ \t]*
+else else[ \t]*
+for for[ \t]*
+while while[ \t]*
+
+%%
+
+{if} {return IFF;};
+{else} {return EELSE;};
+{for} {return FFOR;};
+{while} {return WHILE;};
+"(" {return LP;};
+")" {return RP;};
+"{" {return LCP;};
+"}" {return RCP;};
+"<" {yylval.cmp = CLT; return CMP;};
+">" {yylval.cmp = CGT; return CMP;};
+"=" {yylval.cmp = CEQ; return CMP;};
+"!=" {yylval.cmp = CNEQ; return CMP;};
+{id} {yylval.string = strdup(yytext);return ID;};
+[1-9][0-9]* {yylval.string = yytext;return NO;};
+
+
+
+[ \t\n] ;
+
+. {return yytext[0];}
+
+%%
+
+// TODO match normal assembler