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Added flags to language specifiction. Added optional expect string to language specification. Added some exaple grammars for testing and demos

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This commit is contained in:
Daniel Holden
2014-01-26 11:25:50 +00:00
parent 8931782986
commit d5e2bdf977
17 changed files with 942 additions and 269 deletions
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4
tests/core.c
View File

@@ -13,7 +13,7 @@ void test_ident(void) {
/* ^[a-zA-Z_][a-zA-Z0-9_]*$ */
mpc_parser_t* Ident = mpc_enclose(
mpc_parser_t* Ident = mpc_whole(
mpc_and(2, mpcf_strfold,
mpc_or(2, mpc_alpha(), mpc_underscore()),
mpc_many1(mpcf_strfold, mpc_or(3, mpc_alpha(), mpc_underscore(), mpc_digit())),
@@ -62,7 +62,7 @@ void test_maths(void) {
mpc_parens(Expr, free)
));
mpc_define(Maths, mpc_enclose(Expr, free));
mpc_define(Maths, mpc_whole(Expr, free));
PT_ASSERT(mpc_match(Maths, "1", &r0, int_eq, free, int_print));
PT_ASSERT(mpc_match(Maths, "(5)", &r1, int_eq, free, int_print));

10
tests/grammar.c
View File

@@ -11,9 +11,9 @@ void test_grammar(void) {
Value = mpc_new("value");
Maths = mpc_new("maths");
mpc_define(Expr, mpca_grammar(" <product> (('+' | '-') <product>)* ", Prod));
mpc_define(Prod, mpca_grammar(" <value> (('*' | '/') <value>)* ", Value));
mpc_define(Value, mpca_grammar(" /[0-9]+/ | '(' <expression> ')' ", Expr));
mpc_define(Expr, mpca_grammar(MPC_LANG_DEFAULT, " <product> (('+' | '-') <product>)* ", Prod));
mpc_define(Prod, mpca_grammar(MPC_LANG_DEFAULT, " <value> (('*' | '/') <value>)* ", Value));
mpc_define(Value, mpca_grammar(MPC_LANG_DEFAULT, " /[0-9]+/ | '(' <expression> ')' ", Expr));
mpc_define(Maths, mpca_total(Expr));
t0 = mpc_ast_new("product|value|regex", "24");
@@ -66,7 +66,7 @@ void test_language(void) {
Value = mpc_new("value");
Maths = mpc_new("maths");
mpca_lang(
mpca_lang(MPC_LANG_DEFAULT,
" \
expression : <product> (('+' | '-') <product>)*; \
product : <value> (('*' | '/') <value>)*; \
@@ -87,7 +87,7 @@ void test_language_file(void) {
Value = mpc_new("value");
Maths = mpc_new("maths");
mpca_lang_contents("./tests/maths.grammar", Expr, Prod, Value, Maths);
mpca_lang_contents(MPC_LANG_DEFAULT,"./tests/maths.grammar", Expr, Prod, Value, Maths);
mpc_cleanup(4, Expr, Prod, Value, Maths);