76 lines
1.7 KiB
Plaintext
76 lines
1.7 KiB
Plaintext
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// A test case for the LEMON parser generator. Run as follows:
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//
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// lemon lemon-test01.y && gcc -g lemon-test01.c && ./a.out
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//
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%token_prefix TK_
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%token_type int
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%default_type int
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%include {
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static int nSyntaxError = 0;
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static int nAccept = 0;
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static int nFailure = 0;
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}
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all ::= A B.
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all ::= error B.
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%syntax_error {
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nSyntaxError++;
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}
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%parse_accept {
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nAccept++;
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}
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%parse_failure {
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nFailure++;
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}
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%code {
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#include <assert.h>
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#include "lemon-test01.h"
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static int nTest = 0;
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static int nErr = 0;
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static int testCase(int testId, int shouldBe, int actual){
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nTest++;
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if( shouldBe==actual ){
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printf("test %d: ok\n", testId);
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}else{
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printf("test %d: got %d, expected %d\n", testId, actual, shouldBe);
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nErr++;
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}
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}
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int main(int argc, char **argv){
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yyParser xp;
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ParseInit(&xp);
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Parse(&xp, TK_A, 0);
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Parse(&xp, TK_B, 0);
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Parse(&xp, 0, 0);
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ParseFinalize(&xp);
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testCase(100, 0, nSyntaxError);
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testCase(110, 1, nAccept);
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testCase(120, 0, nFailure);
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nSyntaxError = nAccept = nFailure = 0;
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ParseInit(&xp);
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Parse(&xp, TK_B, 0);
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Parse(&xp, TK_B, 0);
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Parse(&xp, 0, 0);
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ParseFinalize(&xp);
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testCase(200, 1, nSyntaxError);
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testCase(210, 1, nAccept);
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testCase(220, 0, nFailure);
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nSyntaxError = nAccept = nFailure = 0;
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ParseInit(&xp);
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Parse(&xp, TK_A, 0);
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Parse(&xp, TK_A, 0);
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Parse(&xp, 0, 0);
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ParseFinalize(&xp);
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testCase(200, 1, nSyntaxError);
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testCase(210, 0, nAccept);
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testCase(220, 0, nFailure);
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if( nErr==0 ){
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printf("%d tests pass\n", nTest);
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}else{
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printf("%d errors out %d tests\n", nErr, nTest);
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}
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return nErr;
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}
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}
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