This commit is contained in:
Josh Holtrop 2023-08-20 21:19:34 -04:00
parent 35acdde09f
commit 9760da4df4
13 changed files with 355 additions and 9 deletions

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@ -310,7 +310,22 @@ EOF
end
it "executes user code when matching lexer token" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
<<
#include <stdio.h>
>>
token abc <<
printf("abc!\\n");
>>
token def;
Start -> Abcs def;
Abcs -> ;
Abcs -> abc Abcs;
EOF
when "d"
write_grammar <<EOF
<<
import std.stdio;
>>
@ -322,6 +337,7 @@ Start -> Abcs def;
Abcs -> ;
Abcs -> abc Abcs;
EOF
end
build_parser(language: language)
compile("spec/test_user_code.#{language}", language: language)
results = run
@ -336,7 +352,20 @@ EOF
end
it "supports a pattern statement" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
<<
#include <stdio.h>
>>
token abc;
/def/ <<
printf("def!\\n");
>>
Start -> abc;
EOF
when "d"
write_grammar <<EOF
<<
import std.stdio;
>>
@ -346,6 +375,7 @@ token abc;
>>
Start -> abc;
EOF
end
build_parser(language: language)
compile("spec/test_pattern.#{language}", language: language)
results = run
@ -360,7 +390,24 @@ EOF
end
it "supports returning tokens from pattern code blocks" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
<<
#include <stdio.h>
>>
token abc;
/def/ <<
printf("def!\\n");
>>
/ghi/ <<
printf("ghi!\\n");
return $token(abc);
>>
Start -> abc;
EOF
when "d"
write_grammar <<EOF
<<
import std.stdio;
>>
@ -374,6 +421,7 @@ token abc;
>>
Start -> abc;
EOF
end
build_parser(language: language)
compile("spec/test_return_token_from_pattern.#{language}", language: language)
results = run
@ -386,7 +434,31 @@ EOF
end
it "supports lexer modes" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
<<
#include <stdio.h>
>>
token abc;
token def;
tokenid string;
drop /\\s+/;
/"/ <<
printf("begin string mode\\n");
$mode(string);
>>
string: /[^"]+/ <<
printf("captured string\\n");
>>
string: /"/ <<
$mode(default);
return $token(string);
>>
Start -> abc string def;
EOF
when "d"
write_grammar <<EOF
<<
import std.stdio;
>>
@ -407,6 +479,7 @@ string: /"/ <<
>>
Start -> abc string def;
EOF
end
build_parser(language: language)
compile("spec/test_lexer_modes.#{language}", language: language)
results = run
@ -422,7 +495,26 @@ EOF
end
it "executes user code associated with a parser rule" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
<<
#include <stdio.h>
>>
token a;
token b;
Start -> A B <<
printf("Start!\\n");
>>
A -> a <<
printf("A!\\n");
>>
B -> b <<
printf("B!\\n");
>>
EOF
when "d"
write_grammar <<EOF
<<
import std.stdio;
>>
@ -438,6 +530,7 @@ B -> b <<
writeln("B!");
>>
EOF
end
build_parser(language: language)
compile("spec/test_parser_rule_user_code.#{language}", language: language)
results = run
@ -451,7 +544,7 @@ EOF
it "parses lists" do
write_grammar <<EOF
ptype uint;
ptype #{language == "c" ? "uint32_t" : "uint"};
token a;
Start -> As <<
$$ = $1;
@ -490,7 +583,23 @@ EOF
end
it "provides matched text to user code blocks" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
<<
#include <stdio.h>
#include <stdlib.h>
>>
token id /[a-zA-Z_][a-zA-Z0-9_]*/ <<
char * t = malloc(match_length + 1);
strncpy(t, (char *)match, match_length);
printf("Matched token is %s\\n", t);
free(t);
>>
Start -> id;
EOF
when "d"
write_grammar <<EOF
<<
import std.stdio;
>>
@ -499,6 +608,7 @@ token id /[a-zA-Z_][a-zA-Z0-9_]*/ <<
>>
Start -> id;
EOF
end
build_parser(language: language)
compile("spec/test_lexer_match_text.#{language}", language: language)
results = run
@ -510,7 +620,19 @@ EOF
end
it "allows storing a result value for the lexer" do
write_grammar <<EOF
case language
when "c"
write_grammar <<EOF
ptype uint64_t;
token word /[a-z]+/ <<
$$ = match_length;
>>
Start -> word <<
$$ = $1;
>>
EOF
when "d"
write_grammar <<EOF
ptype ulong;
token word /[a-z]+/ <<
$$ = match.length;
@ -519,6 +641,7 @@ Start -> word <<
$$ = $1;
>>
EOF
end
build_parser(language: language)
compile("spec/test_lexer_result_value.#{language}", language: language)
results = run

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@ -0,0 +1,39 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "a 42";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
input = "a\n123\na a";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_UNEXPECTED_TOKEN);
assert(p_position(&context).row == 2);
assert(p_position(&context).col == 3);
assert(context.token == TOKEN_a);
input = "12";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_UNEXPECTED_TOKEN);
assert(p_position(&context).row == 0);
assert(p_position(&context).col == 0);
assert(context.token == TOKEN_num);
input = "a 12\n\nab";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_UNEXPECTED_INPUT);
assert(p_position(&context).row == 2);
assert(p_position(&context).col == 1);
input = "a 12\n\na\n\n77\na \xAA";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_DECODE_ERROR);
assert(p_position(&context).row == 5);
assert(p_position(&context).col == 4);
return 0;
}

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@ -33,6 +33,5 @@ unittest
input = "a 12\n\na\n\n77\na \xAA";
p_context_init(&context, input);
assert(p_parse(&context) == P_DECODE_ERROR);
writeln(p_position(&context));
assert(p_position(&context) == p_position_t(5, 4));
}

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@ -0,0 +1,15 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
#include <stdio.h>
int main()
{
char const * input = "identifier_123";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass1\n");
return 0;
}

20
spec/test_lexer_modes.c Normal file
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@ -0,0 +1,20 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
#include <stdio.h>
int main()
{
char const * input = "abc \"a string\" def";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass1\n");
input = "abc \"abc def\" def";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass2\n");
return 0;
}

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@ -0,0 +1,19 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "x";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
assert(p_result(&context) == 1u);
input = "fabulous";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
assert(p_result(&context) == 8u);
return 0;
}

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@ -0,0 +1,17 @@
#include "testparser.h"
#include <string.h>
#include <assert.h>
int main()
{
char const * input = "aba";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
input = "abb";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
return 0;
}

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@ -0,0 +1,24 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "a";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_UNEXPECTED_TOKEN);
assert(p_position(&context).row == 0);
assert(p_position(&context).col == 1);
assert(context.token == TOKEN___EOF);
input = "a b";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
input = "bb";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
return 0;
}

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@ -0,0 +1,13 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "ab";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
return 0;
}

24
spec/test_parsing_lists.c Normal file
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@ -0,0 +1,24 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "a";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
assert(p_result(&context) == 1u);
input = "";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
assert(p_result(&context) == 0u);
input = "aaaaaaaaaaaaaaaa";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
assert(p_result(&context) == 16u);
return 0;
}

20
spec/test_pattern.c Normal file
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@ -0,0 +1,20 @@
#include "testparser.h"
#include <stdio.h>
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "abcdef";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass1\n");
input = "defabcdef";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass2\n");
return 0;
}

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@ -0,0 +1,13 @@
#include "testparser.h"
#include <assert.h>
#include <string.h>
int main()
{
char const * input = "defghidef";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
return 0;
}

20
spec/test_user_code.c Normal file
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@ -0,0 +1,20 @@
#include "testparser.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>
int main()
{
char const * input = "abcdef";
p_context_t context;
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass1\n");
input = "abcabcdef";
p_context_init(&context, (uint8_t const *)input, strlen(input));
assert(p_parse(&context) == P_SUCCESS);
printf("pass2\n");
return 0;
}