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Make Error Messages Clearer #444

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@OroArmor OroArmor commented Aug 2, 2024

Massively improves the error messages reported by loader.

Example improvement:

mod-resolving-tests-normal breaks all versions of mod-resolving-tests-broken, which is present!

- - <mods>/normal.jar
+ Breaking mods: 
+ - Mandatory mod 'mod-resolving-tests-normal' version '1.0.0': <mods>/normal.jar
+
+ Broken mods: 
+ - Mandatory mod 'mod-resolving-tests-broken' version '1.0.0': <mods>/broken.jar

Additional improvements:

  • Fixes a bug with the unless clause being inverted!
  • Fixes an issue with the mod table where provided mods used the providing id and version
  • Modifies the handle solver error logic to find all of the rules that cause the break.
    • This might still need some improvement with plugins blaming specific rules.
  • Fixes a typo in OptionalModIdDefinition
  • Reduces the number of overloads in VersionRangeDescriber and adds documentation
    • The reason for these overloads was unclear, so this should reduce any issues with that.
  • Adds a new VersionRangeDescriber method for just describing a version from a mod
  • Adds a bunch of new tests to the mod resolving tests, which were mostly used to verify the outputs of the messages.
  • Adds a way to export a dot graph for the solver error.
    • Adding -Dloader.mod_solving.error.print_dot_graph=true to get the dot graph in the info log.
Full improvements to error messages:
Breaks:
 mod-resolving-tests-normal breaks all versions of mod-resolving-tests-broken, which is present!

-- <mods>/normal.jar
+Breaking mods: 
+- Mandatory mod 'mod-resolving-tests-normal' version '1.0.0': <mods>/normal.jar
+
+Broken mods: 
+- Mandatory mod 'mod-resolving-tests-broken' version '1.0.0': <mods>/broken.jar

image

Breaks Unless:
 mod_a breaks all versions of mod_b, which is present!
+However, if any version of mod_c is present, mod_a does not break mod_b.
 
-- <mods>/mod_a.jar
+Breaking mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Broken mods: 
+- Mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar

image

Breaks on Broken Optional with an Unless:
 -- Error 1 --
 
-Unhandled solver error involving the following rules:
-Rule 1:
-Breakage for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar} on mod_d versions [*] (1 breaking options, 0 okay options)
-	x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_d' from <mods>/mod_d.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_d' from <mods>/mod_d.jar}
-Rule 2:
-Mandatory mod mod_d (mod_d) v1.0.0
-Rule 3:
-Dependency for  at line 10 column 18 path $.quilt_loader.breaks[0].unless on mod_b versions [*] (1 valid options, 0 invalid options)
-	+ {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar}
-Rule 4:
-Mandatory mod mod_c (mod_c) v1.0.0
-Rule 5:
-Mandatory mod mod_a (mod_a) v1.0.0
-Rule 6:
-Breakage for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_a' from <mods>/mod_a.jar} on mod_c versions [*] (1 breaking options, 0 okay options)
-	x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_c' from <mods>/mod_c.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_c' from <mods>/mod_c.jar}
+mod_b breaks all versions of mod_d, which is present!
 
+Breaking mods: 
+- Required optional mod 'mod_b' version '1.0.0': <mods>/mod_a.jar/mod_b.jar
+
+Broken mods: 
+- Mandatory mod 'mod_d' version '1.0.0': <mods>/mod_d.jar
+
+
+-- Error 2 --
+
+mod_a breaks all versions of mod_c, which is present!
+Normally, any version of mod mod_b overrides this break, but it is unable to load due to another error.
+
+Breaking mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Broken mods: 
+- Mandatory mod 'mod_c' version '1.0.0': <mods>/mod_c.jar
+
+Overriding mods: 
+- Required optional mod 'mod_b' version '1.0.0': <mods>/mod_a.jar/mod_b.jar

image

Breaks with Unless Any:
 mod_a breaks all versions of mod_b, which is present!
+However, if any of the following are present, mod_a does not break.
+- Any version of mod_c which is missing.
+- Any version of mod_d which is missing.
 
-- <mods>/mod_a.jar
+Breaking mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Broken mods: 
+- Mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar

image

Depends on any with an invalid option:
 -- Error 1 --
 
 mod_b requires any version of mod_d, which is missing!
 
-- <mods>/mod_b.jar
+Requiring mods: 
+- Required mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar
+
+
+-- Error 2 --
+
+mod_a depends on any of the following mods:
+- Any version of mod_b:
+  Satisfying mods which cannot load: 
+  - Required mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar
+
+- Any version of mod_c, which is missing!
+
+Requiring mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar

image

Depends on an invalid mod that also provides an existing mod:
 -- Error 1 --
 
-Unhandled solver error involving the following rules:
-Rule 1:
-Dependency for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_a' from <mods>/mod_a.jar} on mod_b versions [=1.0.0] (1 valid options, 1 invalid options)
-	+ {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar}
-	x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar}
-Rule 2:
-optional mod 'mod_b' (2 sources)
-	 - {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar}
-	 - {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar}
-Rule 3:
-Mandatory mod mod_b (mod_b) v2.0.0
-Rule 4:
-Mandatory mod mod_a (mod_a) v1.0.0
+mod_a requires a version [1.0.0, 1.0.0] of mod_b, which is unable to load due to another error!
 
+Requiring mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Satisfying mods: 
+- Required optional mod 'mod_b' version '1.0.0': <mods>/mod_a.jar/mod_b.jar
+
+Invalid mods: 
+- Mandatory mod 'mod_b' version '2.0.0': <mods>/mod_b.jar
+
+
+-- Error 2 --
+
+Duplicate mandatory mod ids [mod_c]
+- Mandatory mod 'mod_c' version '1.0.0': <mods>/mod_c.jar
+- Provided optional mod 'mod_c' version '1.0.0' from mod 'mod_b' (<mods>/mod_a.jar/mod_b.jar): <mods>/mod_a.jar/mod_b.jar
+
+
+-- Error 3 --
+
+Duplicate mandatory mod ids [mod_b]
+- Required optional mod 'mod_b' version '1.0.0': <mods>/mod_a.jar/mod_b.jar
+- Mandatory mod 'mod_b' version '2.0.0': <mods>/mod_b.jar
 
...

 |--------------|--------------|---------------|--------------|-------|-------------------|----------------------------|
 | Quilt Loader | quilt_loader | 0.26.4-beta.1 | !missing!    |       |                   |                            |
 | mod_a        | mod_a        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar           |
-| mod_b        | mod_b        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar\mod_b.jar |
 | mod_b        | mod_b        | 2.0.0         | quilt_loader | ..    |                   | <mods>\mod_b.jar           |
 | mod_b        | mod_b        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar\mod_b.jar |
+| mod_b        | mod_c        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar\mod_b.jar |
 | mod_c        | mod_c        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_c.jar           |
 |--------------|--------------|---------------|--------------|-------|-------------------|----------------------------|

image

Depends on a mod that provides an existing mod:
 -- Error 1 --
 
-Unhandled solver error involving the following rules:
-Rule 1:
-Dependency for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_a' from <mods>/mod_a.jar} on mod_b versions [*] (1 valid options, 0 invalid options)
-	+ {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar}
-Rule 2:
-optional mod 'mod_c' (2 sources)
-	 - {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_a.jar/mod_b.jar}
-	 - {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_c' from <mods>/mod_c.jar}
-Rule 3:
-Mandatory mod mod_a (mod_a) v1.0.0
-Rule 4:
-Mandatory mod mod_c (mod_c) v1.0.0
+Duplicate mandatory mod ids [mod_c]
+- Provided optional mod 'mod_c' version '1.0.0' from mod 'mod_b' (<mods>/mod_a.jar/mod_b.jar): <mods>/mod_a.jar/mod_b.jar
+- Mandatory mod 'mod_c' version '1.0.0': <mods>/mod_c.jar
 
 
+-- Error 2 --
+
+mod_a requires any version of mod_b, which is unable to load due to another error!
+
+Requiring mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Satisfying mods: 
+- Required optional mod 'mod_b' version '1.0.0': <mods>/mod_a.jar/mod_b.jar
+
 
...

 | Quilt Loader | quilt_loader | 0.26.4-beta.1 | !missing!    |       |                   |                            |
 | mod_a        | mod_a        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar           |
 | mod_b        | mod_b        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar\mod_b.jar |
-| mod_b        | mod_b        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar\mod_b.jar |
+| mod_b        | mod_c        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar\mod_b.jar |
 | mod_c        | mod_c        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_c.jar           |
 |--------------|--------------|---------------|--------------|-------|-------------------|----------------------------|

image

Depends on a missing mod:
 mod-resolving-tests-main requires any version of mod-resolving-tests-library, which is missing!
 
-- <mods>/main.jar
+Requiring mods: 
+- Mandatory mod 'mod-resolving-tests-main' version '1.0.0': <mods>/main.jar

image

Depends on a mod with an array version:
-mod-resolving-tests-main requires version [1.19-alpha.22.24.a, 2) of minecraft, which is missing!
+mod-resolving-tests-main requires a version [1.19-alpha.22.24.a, 2) of minecraft.
 
-- <mods>/mod.jar
+Requiring mods: 
+- Mandatory mod 'mod-resolving-tests-main' version '1.0.0': <mods>/mod.jar
+
+Invalid mods: 
+- Required optional mod 'minecraft' version '1.18.2': <mods>/minecraft.jar

image

Depends on a mod which breaks another mod:
 -- Error 1 --
 
 mod_b breaks all versions of mod_c, which is present!
 
-- <mods>/mod_b.jar
+Breaking mods: 
+- Required mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar
+
+Broken mods: 
+- Mandatory mod 'mod_c' version '1.0.0': <mods>/mod_c.jar
+
+
+-- Error 2 --
+
+mod_a requires any version of mod_b, which is unable to load due to another error!
+
+Requiring mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Satisfying mods: 
+- Required mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar

image

Depends on a mod broken by another mod:
 -- Error 1 --
 
-Unhandled solver error involving the following rules:
-Rule 1:
-optional mod 'mod_a' (1 source)
-	 - {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_a' from <mods>/mod_a.jar}
-Rule 2:
-Breakage for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_c' from <mods>/mod_c.jar} on mod_b versions [*] (1 breaking options, 0 okay options)
-	x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar}
-Rule 3:
-Dependency for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_a' from <mods>/mod_a.jar} on mod_b versions [*] (1 valid options, 0 invalid options)
-	+ {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'mod_b' from <mods>/mod_b.jar}
-Rule 4:
-Mandatory mod mod_c (mod_c) v1.0.0
+mod_a requires any version of mod_b, which is unable to load due to another error!
 
+Requiring mods: 
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+
+Satisfying mods: 
+- Required mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar
+
+
+-- Error 2 --
+
+mod_c breaks all versions of mod_b, which is present!
+
+Breaking mods: 
+- Mandatory mod 'mod_c' version '1.0.0': <mods>/mod_c.jar
+
+Broken mods: 
+- Required mandatory mod 'mod_b' version '1.0.0': <mods>/mod_b.jar

image

Depends on a mod that provides an existing mod
 -- Error 1 --
 
 Duplicate mandatory mod ids [mod_a]
-- <mods>/mod_a.jar
-- <mods>/mod_b.jar
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+- Provided mandatory mod 'mod_a' version '1.0.0' from mod 'mod_b' (<mods>/mod_b.jar): <mods>/mod_b.jar
 
...

 |--------------|--------------|---------------|--------------|-------|-------------------|------------------|
 | Quilt Loader | quilt_loader | 0.26.4-beta.1 | !missing!    |       |                   |                  |
 | mod_a        | mod_a        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_a.jar |
-| mod_b        | mod_b        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_b.jar |
+| mod_b        | mod_a        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_b.jar |
 | mod_b        | mod_b        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_b.jar |
 | mod_c        | mod_c        | 1.0.0         | quilt_loader | ..    |                   | <mods>\mod_c.jar |
 |--------------|--------------|---------------|--------------|-------|-------------------|------------------|

image

Duplicate mods:
 Duplicate mandatory mod ids [mod_a]
-- <mods>/mod_a-v1.jar
-- <mods>/mod_a-v2.jar
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a-v1.jar
+- Mandatory mod 'mod_a' version '2.0.0': <mods>/mod_a-v2.jar

image

Breaks on all:
 -- Error 1 --
 
-Unhandled solver error involving the following rules:
-Rule 1:
-Dependency for  at line 13 column 24 path $.quilt_loader.breaks[0][0].unless on part_3 versions [*] (0 valid options, 0 invalid options)
-Rule 2:
-Breakage for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'normal' from <mods>/normal.jar} on all of: 
-	- at line 10 column 12 path $.quilt_loader.breaks[0][0] 
-	- at line 18 column 12 path $.quilt_loader.breaks[0][1] 
-Rule 3:
-Mandatory mod normal (normal) v1.0.0
-Rule 4:
-Breakage for  at line 10 column 12 path $.quilt_loader.breaks[0][0] on part_1 versions [*] (1 breaking options, 0 okay options)
-	x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'part_1' from <mods>/part_1.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'part_1' from <mods>/part_1.jar}
-Rule 5:
-Mandatory mod part_2 (part_2) v1.0.0
-Rule 6:
-Mandatory mod part_1 (part_1) v1.0.0
-Rule 7:
-Breakage for  at line 18 column 12 path $.quilt_loader.breaks[0][1] on part_2 versions [*] (1 breaking options, 0 okay options)
-	x {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'part_2' from <mods>/part_2.jar} {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'part_2' from <mods>/part_2.jar}
+normal breaks because all of the following are present:
+- Any version of part_1:
+  However, if any version of part_3 is present, normal does not break part_1.
+  Matching mods: 
+  - Mandatory mod 'part_1' version '1.0.0': <mods>/part_1.jar
 
+- Any version of part_2:
+  Matching mods: 
+  - Mandatory mod 'part_2' version '1.0.0': <mods>/part_2.jar
+
+Breaking mods: 
+- Mandatory mod 'normal' version '1.0.0': <mods>/normal.jar

image

Depends on any:
-Unhandled solver error involving the following rules:
-Rule 1:
-Mandatory mod normal (normal) v1.0.0
-Rule 2:
-Dependency for  at line 9 column 22 path $.quilt_loader.depends[0][1] on part_2 versions [*] (0 valid options, 0 invalid options)
-Rule 3:
-Dependency for  at line 9 column 12 path $.quilt_loader.depends[0][0] on part_1 versions [*] (0 valid options, 0 invalid options)
-Rule 4:
-Dependancy for {org.quiltmc.loader.impl.plugin.quilt.QuiltModOption 'normal' from <mods>/normal.jar} on any of: 
-	- at line 9 column 12 path $.quilt_loader.depends[0][0] 
-	- at line 9 column 22 path $.quilt_loader.depends[0][1] 
+normal depends on any of the following mods:
+- Any version of part_2, which is missing!
+- Any version of part_1, which is missing!
 
+Requiring mods: 
+- Mandatory mod 'normal' version '1.0.0': <mods>/normal.jar

image

Provides existing mod:
 Duplicate mandatory mod ids [mod_a]
-- <mods>/mod_a.jar
-- <mods>/mod_b.jar
+- Mandatory mod 'mod_a' version '1.0.0': <mods>/mod_a.jar
+- Provided mandatory mod 'mod_a' version '1.0.0' from mod 'mod_b' (<mods>/mod_b.jar): <mods>/mod_b.jar

image

@OroArmor OroArmor added the enhancement New feature or request label Aug 2, 2024
@OroArmor OroArmor marked this pull request as ready for review August 25, 2024 00:40
@ix0rai ix0rai linked an issue Sep 10, 2024 that may be closed by this pull request
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Unhandled Solver Errors
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